diff --git a/Changelog b/Changelog index ae8ecfb..43a2a6b 100644 --- a/Changelog +++ b/Changelog @@ -50,6 +50,7 @@ version - Flash Screen Video decoder - GXF demuxer - Chinese AVS decoder +- Native H.264 encoder version 0.4.9-pre1: diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi index c47797c..1937f94 100644 --- a/doc/ffmpeg-doc.texi +++ b/doc/ffmpeg-doc.texi @@ -742,7 +742,7 @@ following image formats are supported: @item WMV8 @tab X @tab X @tab not completely working @item H.261 @tab X @tab X @item H.263(+) @tab X @tab X @tab also known as RealVideo 1.0 -@item H.264 @tab @tab X +@item H.264 @tab X @tab X @item RealVideo 1.0 @tab X @tab X @item RealVideo 2.0 @tab X @tab X @item MJPEG @tab X @tab X diff --git a/libavcodec/Makefile b/libavcodec/Makefile index ba7162d..081fdab 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -17,7 +17,7 @@ OBJS= bitstream.o utils.o mem.o allcodec fft.o mdct.o raw.o golomb.o cabac.o\ faandct.o parser.o \ vp3dsp.o h264idct.o rangecoder.o pnm.o h263.o msmpeg4.o h263dec.o \ - opt.o \ + opt.o h264cavlc.o h264enc.o \ bitstream_filter.o \ diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index 172193f..f239cbd 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -83,9 +83,9 @@ void avcodec_register_all(void) #ifdef CONFIG_MPEG1VIDEO_ENCODER register_avcodec(&mpeg1video_encoder); #endif //CONFIG_MPEG1VIDEO_ENCODER -#ifdef CONFIG_H264_ENCODER -// register_avcodec(&h264_encoder); -#endif //CONFIG_H264_ENCODER +//#ifdef CONFIG_H264_ENCODER + register_avcodec(&h264_encoder); +//#endif //CONFIG_H264_ENCODER #ifdef CONFIG_MPEG2VIDEO_ENCODER register_avcodec(&mpeg2video_encoder); #endif //CONFIG_MPEG2VIDEO_ENCODER diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index a829fd6..c534e9e 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -119,6 +119,7 @@ enum CodecID { CODEC_ID_KMVC, CODEC_ID_FLASHSV, CODEC_ID_CAVS, + CODEC_ID_FFH264, /* various pcm "codecs" */ CODEC_ID_PCM_S16LE= 0x10000, diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index 5c22184..fbf646c 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -38,6 +38,9 @@ void ff_spatial_dwt(int *buffer, int wid uint8_t cropTbl[256 + 2 * MAX_NEG_CROP] = {0, }; uint32_t squareTbl[512] = {0, }; +extern const uint8_t div6[52]; +extern const uint8_t rem6[52]; + const uint8_t ff_zigzag_direct[64] = { 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, @@ -3789,6 +3792,220 @@ static void ff_jref_idct1_add(uint8_t *d dest[0] = cm[dest[0] + ((block[0] + 4)>>3)]; } +extern const int16_t ff_h264_MF00[6]; +extern const int16_t ff_h264_V00[6]; + +#define COPY_SIGN(A, B) ((A ^ (B>>31)) - (B>>31)) + +#define FF_H264_TRANSFORM_DCT_QUANT_C_ELEMENT(X, Y) \ + block[X][Y] = COPY_SIGN(((ABS((int32_t)outblock[X][Y])*MF[mod][X][Y]+f) >> qbits), outblock[X][Y]) + +#define FF_H264_TRANSFORM_DCT_QUANT_C_LINE(X) \ + FF_H264_TRANSFORM_DCT_QUANT_C_ELEMENT(X,0); \ + FF_H264_TRANSFORM_DCT_QUANT_C_ELEMENT(X,1); \ + FF_H264_TRANSFORM_DCT_QUANT_C_ELEMENT(X,2); \ + FF_H264_TRANSFORM_DCT_QUANT_C_ELEMENT(X,3); + +// we'll always work with transposed input blocks, to avoid having to make a distinction between +// C and mmx implementations +void ff_h264_transform_dct_quant_c(int16_t block[4][4], int QP, int dontscaleDC) // y,x indexing +{ + static const int16_t MF[6][4][4] = + { + { { 13107, 8066, 13107, 8066}, { 8066, 5243, 8066, 5243}, { 13107, 8066, 13107, 8066}, { 8066, 5243, 8066, 5243} }, + { { 11916, 7490, 11916, 7490}, { 7490, 4660, 7490, 4660}, { 11916, 7490, 11916, 7490}, { 7490, 4660, 7490, 4660} }, + { { 10082, 6554, 10082, 6554}, { 6554, 4194, 6554, 4194}, { 10082, 6554, 10082, 6554}, { 6554, 4194, 6554, 4194} }, + { { 9362, 5825, 9362, 5825}, { 5825, 3647, 5825, 3647}, { 9362, 5825, 9362, 5825}, { 5825, 3647, 5825, 3647} }, + { { 8192, 5243, 8192, 5243}, { 5243, 3355, 5243, 3355}, { 8192, 5243, 8192, 5243}, { 5243, 3355, 5243, 3355} }, + { { 7282, 4559, 7282, 4559}, { 4559, 2893, 4559, 2893}, { 7282, 4559, 7282, 4559}, { 4559, 2893, 4559, 2893} } + }; + int32_t qbits = 15 + div6[QP]; + int32_t f = (1<> shift; + +#define H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_LINE2(X) \ + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(X, 0) \ + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(X, 1) \ + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(X, 2) \ + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(X, 3) + +void ff_h264_transform_inverse_quant_dct_add_c(int16_t block[4][4], int QP, int dontscaleDC, uint8_t *dst, int stride) // y,x indexing +{ + static const int16_t V[6][4][4] = + { + { { 10*16, 13*16, 10*16, 13*16}, { 13*16, 16*16, 13*16, 16*16}, { 10*16, 13*16, 10*16, 13*16}, { 13*16, 16*16, 13*16, 16*16} }, + { { 11*16, 14*16, 11*16, 14*16}, { 14*16, 18*16, 14*16, 18*16}, { 11*16, 14*16, 11*16, 14*16}, { 14*16, 18*16, 14*16, 18*16} }, + { { 13*16, 16*16, 13*16, 16*16}, { 16*16, 20*16, 16*16, 20*16}, { 13*16, 16*16, 13*16, 16*16}, { 16*16, 20*16, 16*16, 20*16} }, + { { 14*16, 18*16, 14*16, 18*16}, { 18*16, 23*16, 18*16, 23*16}, { 14*16, 18*16, 14*16, 18*16}, { 18*16, 23*16, 18*16, 23*16} }, + { { 16*16, 20*16, 16*16, 20*16}, { 20*16, 25*16, 20*16, 25*16}, { 16*16, 20*16, 16*16, 20*16}, { 20*16, 25*16, 20*16, 25*16} }, + { { 18*16, 23*16, 18*16, 23*16}, { 23*16, 29*16, 23*16, 29*16}, { 18*16, 23*16, 18*16, 23*16}, { 23*16, 29*16, 23*16, 29*16} } + }; + DCTELEM elem[4][4]; + int mod = rem6[QP]; + + if (QP >= 24) + { + int shift = div6[QP]-4; + + if (dontscaleDC) + elem[0][0] = block[0][0]; + else + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT(0, 0); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT(0, 1); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT(0, 2); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT(0, 3); + + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_LINE(1); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_LINE(2); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_LINE(3); + } + else + { + int add = (1<<(3-div6[QP])); + int shift = (4-div6[QP]); + if (dontscaleDC) + elem[0][0] = block[0][0]; + else + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(0, 0); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(0, 1); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(0, 2); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_ELEMENT2(0, 3); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_LINE2(1); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_LINE2(2); + H264_TRANSFORM_INVERSE_QUANT_DCT_ADD_C_LINE2(3); + if (dontscaleDC) + elem[0][0] = block[0][0]; + } + + ff_h264_idct_add_c(dst,&(elem[0][0]),stride); +} + +#define FF_H264_HADAMARD_QUANT_4X4_C_ELEMENT(A, B) \ + Y[A][B] = COPY_SIGN((((ABS(Y[A][B])>>1) * MF + f2) >> shift), Y[A][B]); + +#define FF_H264_HADAMARD_QUANT_4X4_C_LINE(X) \ + FF_H264_HADAMARD_QUANT_4X4_C_ELEMENT(X, 0); \ + FF_H264_HADAMARD_QUANT_4X4_C_ELEMENT(X, 1); \ + FF_H264_HADAMARD_QUANT_4X4_C_ELEMENT(X, 2); \ + FF_H264_HADAMARD_QUANT_4X4_C_ELEMENT(X, 3); + +/** + * |ZD(i,j)| = (|YD(i,j)| MF(0,0) + 2 f) >> (qbits + 1) + * + */ +void ff_h264_hadamard_quant_4x4_c(DCTELEM Y[4][4], int QP) +{ + int qbits = 15 + div6[QP]; + int f2 = ((1 << qbits) / 3)*2; + int shift = (qbits + 1); + int mod = rem6[QP]; + + int32_t MF = ff_h264_MF00[mod]; + + FF_H264_HADAMARD_QUANT_4X4_C_LINE(0); + FF_H264_HADAMARD_QUANT_4X4_C_LINE(1); + FF_H264_HADAMARD_QUANT_4X4_C_LINE(2); + FF_H264_HADAMARD_QUANT_4X4_C_LINE(3); +} + +#define H264_HADAMARD_INVQUANT_4X4_C_LOWQP_ELEMENT(A, B) \ + Y[A][B] = (Y[A][B]*V + f) >> shift; + +#define H264_HADAMARD_INVQUANT_4X4_C_LOWQP_LINE(A) \ + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_ELEMENT(A, 0) \ + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_ELEMENT(A, 1) \ + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_ELEMENT(A, 2) \ + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_ELEMENT(A, 3) + +#define H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_ELEMENT(A,B) \ + Y[A][B] = (Y[A][B]*V) << shift ; + +#define H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_LINE(A) \ + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_ELEMENT(A, 0) \ + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_ELEMENT(A, 1) \ + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_ELEMENT(A, 2) \ + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_ELEMENT(A, 3) + +/* + * Only if qpprime_y_zero_transform_bypass_flag == 0 + */ +void ff_h264_hadamard_invquant_4x4_c(DCTELEM Y[4][4], int QP) +{ + int mod = rem6[QP]; + + if (QP < 36) + { + int qbits = div6[QP]; + int shift = 6-qbits; + int f = (1 << (5-qbits)); + + int32_t V = ff_h264_V00[mod]; + + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_LINE(0); + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_LINE(1); + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_LINE(2); + H264_HADAMARD_INVQUANT_4X4_C_LOWQP_LINE(3); + } + else + { + int shift = div6[QP] - 6; + int32_t V = ff_h264_V00[mod]; + + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_LINE(0); + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_LINE(1); + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_LINE(2); + H264_HADAMARD_INVQUANT_4X4_C_HIGHQP_LINE(3); + } +} + +#define FF_H264_HADAMARD_QUANT_2X2_C_ELEMENT(A, B) \ + Y[A][B] = COPY_SIGN(((ABS(Y[A][B])*MF + f2) >> shift),Y[A][B]) + +/** + * |ZD(i,j)| = (|YD(i,j)| MF(0,0) + 2 f) >> (qbits + 1) + * + */ +void ff_h264_hadamard_quant_2x2_c(int16_t Y[2][2], int QP) +{ + int qbits = 15 + div6[QP]; + int f2 = ((1 << qbits) / 3)*2; + int shift = qbits+1; + int32_t MF = ff_h264_MF00[rem6[QP]]; + + FF_H264_HADAMARD_QUANT_2X2_C_ELEMENT(0, 0); + FF_H264_HADAMARD_QUANT_2X2_C_ELEMENT(0, 1); + FF_H264_HADAMARD_QUANT_2X2_C_ELEMENT(1, 0); + FF_H264_HADAMARD_QUANT_2X2_C_ELEMENT(1, 1); +} + static void just_return() { return; } /* init static data */ @@ -3873,6 +4090,15 @@ void dsputil_init(DSPContext* c, AVCodec c->h264_idct_dc_add= ff_h264_idct_dc_add_c; c->h264_idct8_dc_add= ff_h264_idct8_dc_add_c; + c->h264_dct = ff_h264_dct_c; + c->h264_idct_notranspose_add = ff_h264_idct_add_c; + c->h264_hadamard_mult4x4 = ff_h264_hadamard_mult4x4_c; + c->h264_hadamard_quant_2x2 = ff_h264_hadamard_quant_2x2_c; + c->h264_hadamard_quant_4x4 = ff_h264_hadamard_quant_4x4_c; + c->h264_hadamard_invquant_4x4 = ff_h264_hadamard_invquant_4x4_c; + c->h264_transform_dct_quant = ff_h264_transform_dct_quant_c; + c->h264_transform_inverse_quant_dct_add = ff_h264_transform_inverse_quant_dct_add_c; + c->get_pixels = get_pixels_c; c->diff_pixels = diff_pixels_c; c->put_pixels_clamped = put_pixels_clamped_c; diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index fb84b20..5dc414b 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -57,6 +57,13 @@ void ff_h264_idct8_dc_add_c(uint8_t *dst void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block); void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block); +void ff_h264_dct_c(DCTELEM inblock[4][4], DCTELEM outblock[4][4]); +void ff_h264_hadamard_mult4x4_c(DCTELEM Y[4][4]); +void ff_h264_transform_dct_quant_c(int16_t block[4][4], int QP, int dontscaleDC); +void ff_h264_hadamard_quant_4x4_c(DCTELEM Y[4][4], int QP); +void ff_h264_hadamard_quant_2x2_c(int16_t Y[2][2], int QP); +void ff_h264_hadamard_invquant_4x4_c(DCTELEM Y[4][4], int QP); +void ff_h264_transform_inverse_quant_dct_add_c(int16_t block[4][4], int QP, int dontscaleDC, uint8_t *dst, int stride); /* encoding scans */ extern const uint8_t ff_alternate_horizontal_scan[64]; @@ -356,6 +363,14 @@ typedef struct DSPContext { void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride); void (*h264_idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride); void (*h264_idct8_dc_add)(uint8_t *dst, DCTELEM *block, int stride); + void (*h264_dct)(DCTELEM inblock[4][4], DCTELEM outblock[4][4]); + void (*h264_idct_notranspose_add)(uint8_t *dst, DCTELEM *block, int stride); + void (*h264_hadamard_mult4x4)(DCTELEM Y[4][4]); + void (*h264_hadamard_quant_2x2)(int16_t Y[2][2], int QP); + void (*h264_hadamard_quant_4x4)(DCTELEM Y[4][4], int QP); + void (*h264_hadamard_invquant_4x4)(DCTELEM Y[4][4], int QP); + void (*h264_transform_dct_quant)(int16_t block[4][4], int QP, int dontscaleDC); + void (*h264_transform_inverse_quant_dct_add)(int16_t block[4][4], int QP, int dontscaleDC, uint8_t *dst, int stride); /* snow wavelet */ void (*vertical_compose97i)(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width); diff --git a/libavcodec/h264.c b/libavcodec/h264.c index ad25c7c..e95a3f2 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -163,20 +163,6 @@ typedef struct H264Context{ MpegEncContext s; int nal_ref_idc; int nal_unit_type; -#define NAL_SLICE 1 -#define NAL_DPA 2 -#define NAL_DPB 3 -#define NAL_DPC 4 -#define NAL_IDR_SLICE 5 -#define NAL_SEI 6 -#define NAL_SPS 7 -#define NAL_PPS 8 -#define NAL_AUD 9 -#define NAL_END_SEQUENCE 10 -#define NAL_END_STREAM 11 -#define NAL_FILLER_DATA 12 -#define NAL_SPS_EXT 13 -#define NAL_AUXILIARY_SLICE 19 uint8_t *rbsp_buffer; unsigned int rbsp_buffer_size; @@ -418,6 +404,15 @@ static always_inline uint32_t pack16to32 #endif } +const uint8_t rem6[52]={ +0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, +}; + +const uint8_t div6[52]={ +0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, +}; + + /** * fill a rectangle. * @param h height of the rectangle, should be a constant @@ -1810,7 +1805,7 @@ static uint8_t *decode_nal(H264Context * * @param dst_length the length of the dst array * @returns length of escaped data in bytes or -1 if an error occured */ -static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){ +int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){ int i, escape_count, si, di; uint8_t *temp; @@ -4099,7 +4094,7 @@ static int decode_ref_pic_list_reorderin return 0; } -static void fill_mbaff_ref_list(H264Context *h){ +static int fill_mbaff_ref_list(H264Context *h){ int list, i, j; for(list=0; list<2; list++){ for(i=0; iref_count[list]; i++){ diff --git a/libavcodec/h264cavlc.c b/libavcodec/h264cavlc.c new file mode 100644 index 0000000..23ecc08 --- /dev/null +++ b/libavcodec/h264cavlc.c @@ -0,0 +1,331 @@ +/* + * H.264 encoder + * Copyright (c) 2006 Expertisecentrum Digitale Media, UHasselt + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "common.h" +#include "dsputil.h" +#include "avcodec.h" +#include "bitstream.h" +#include "mpegvideo.h" +#include "h264data.h" +#include "h264encdata.h" + +//#define DEBUG_H264CAVLC + +static int length_table[7][4095]; +static int code_table[7][4095]; +int16_t ff_h264_cavlc_cliptable[H264_CAVLC_CLIPTABLE_SIZE]; + +void h264cavlc_generate_cliptable() +{ + int value; + for(value=-32768; value<32768; value++) + { + if (value < -2047) + ff_h264_cavlc_cliptable[value + H264_CAVLC_CLIPTABLE_OFFSET] = -2047; + else if (value > 2047) + ff_h264_cavlc_cliptable[value + H264_CAVLC_CLIPTABLE_OFFSET] = 2047; + else + ff_h264_cavlc_cliptable[value + H264_CAVLC_CLIPTABLE_OFFSET] = value; + } +} + +void h264cavlc_generate_tables() +{ + int vlcnum, level; + for (vlcnum=0; vlcnum<7; vlcnum++) + { + for(level=-2047; level<2048; level++) + { + if (vlcnum == 0) + { + int len, inf; + int sign = level < 0; + int levabs = ABS(level); + + if (levabs < 8) + { + len = levabs * 2 + sign - 1; + inf = 1; + } + else if (levabs < 8+8) + { + len = 14 + 1 + 4; + inf = (1 << 4) | ((levabs - 8) << 1) | sign; + } + else + { + len = 14 + 2 + 12; + inf = (0x1 << 12) | ((levabs - 16)<< 1) | sign; + } + length_table[vlcnum][level+2047] = len; + code_table[vlcnum][level+2047] = inf; + } + else + { + int iCodeword; + int iLength; + int shift = vlcnum-1; + int escape = (15<>shift; + suffix = (levabs-1)&sufmask; + +#ifdef DEBUG_H264CAVLC + printf("numPrefix %d | suffix %d | levabs %d | escape %d | sufmask %d | vlcnum %d | level %d | sign %d\n", + numPrefix,suffix,levabs,escape,sufmask,vlcnum,level,sign); +#endif // DEBUG_H264CAVLC + if (levabs < escape) + { + iLength = numPrefix + vlcnum + 1; + iCodeword = (1<<(shift+1))|(suffix<<1)|sign; + } + else + { + iLength = 28; + iCodeword = (1<<12)|((levabs-escape)<<1)|sign; + } + len = iLength; + inf = iCodeword; + +#ifdef DEBUG_H264CAVLC + printf("len %d | code %d\n",len,inf); +#endif // DEBUG_H264CAVLC + + length_table[vlcnum][level+2047] = len; + code_table[vlcnum][level+2047] = inf; + } + } + } +} + +static inline void h264cavlc_encode_vlc_level(PutBitContext *b, int vlcnum, int16_t level) +{ + int16_t index; + index = level+2047; + put_bits(b,length_table[vlcnum][index],code_table[vlcnum][index]); +#ifdef DEBUG_H264CAVLC +// av_log(NULL, AV_LOG_DEBUG, "Encoded level with number %d\n",code_table[vlcnum][index]); +#endif +} + +static inline void h264cavlc_encode_vlc_totalzeros(PutBitContext *b, int vlcnum, int total_zeros) +{ + put_bits(b,total_zeros_len[vlcnum][total_zeros],total_zeros_bits[vlcnum][total_zeros]); +} + +static inline void h264cavlc_encode_vlc_run(PutBitContext *b, int vlcnum, int runbefore) +{ + put_bits(b,run_len[vlcnum][runbefore],run_bits[vlcnum][runbefore]); +} + +static inline void h264cavlc_encode_vlc_coefftoken(PutBitContext *b, int lookup_table, int total_coeffs, int trailing_ones) +{ + put_bits(b,coeff_token_len[lookup_table][trailing_ones+total_coeffs*4],coeff_token_bits[lookup_table][trailing_ones+total_coeffs*4]); +} + +static inline void h264cavlc_encode_vlc_coefftoken_chromadc(PutBitContext *b, int total_coeffs, int trailing_ones) +{ + put_bits(b,chroma_dc_coeff_token_len[trailing_ones + total_coeffs * 4],chroma_dc_coeff_token_bits[trailing_ones + total_coeffs * 4]); +} + +static inline void h264cavlc_encode_vlc_totalzeros_chromadc(PutBitContext *b, int vlcnum, int value) +{ + if(vlcnum + value == 3) put_bits(b, value , 0); + else put_bits(b, value+1, 1); +} + +static inline int h264cavlc_get_lookup_table(int na, int nb) +{ + int nc = 0; + int8_t lookup_table[8] = {0, 0, 1, 1, 2, 2, 2, 2}; + + if (na >= 0 && nb >= 0) + { + nc = na+nb+1; + nc >>= 1; + } + else + { + if (na >= 0) // nB < 0 + nc = na; + else if (nb >= 0) // nA < 0 + nc = nb; + } + + return (nc < 8) ? lookup_table[nc] : 3; +} + +int h264cavlc_encode(PutBitContext *b, int16_t *coefficients, int len, int na, int nb, int is_chroma_dc) +{ + static const int8_t increment_vlcnum[6] = { 0, 3, 6, 12, 24, 48 }; + + int i, t; + int total_coeffs; + int trailing_ones; + int total_zeros; + int numlevels; + int16_t levels[256]; + int16_t zeros[256]; + +#ifdef DEBUG_H264CAVLC + for (i = 0 ; i < len ; i++) + av_log(NULL, AV_LOG_DEBUG, "%6d",coefficients[i]); + av_log(NULL, AV_LOG_DEBUG, "\n"); +#endif + + // Count traling ones, total non-zero coefficients and the number of non-trailing zeros + + total_coeffs = 0; + trailing_ones = 0; + total_zeros = 0; // For now, we'll count the number of zeros at the end + for (i = 0 ; i < len ; i++) + { + int16_t val = coefficients[i]; + if (val != 0) + { + levels[total_coeffs] = val; + zeros[total_coeffs] = total_zeros; + if (val == -1 || val == +1) + trailing_ones++; + else + trailing_ones = 0; + total_coeffs++; + total_zeros = 0; + } + else + total_zeros++; + } + if (trailing_ones > 3) + trailing_ones = 3; + + total_zeros = len - total_zeros - total_coeffs; // The actual value of zeros (except the zeros at the end) + numlevels = total_coeffs - trailing_ones; + + // Encode coeff_token. This is different for Chroma DC values + + if (!is_chroma_dc) + { + int lookupTable = h264cavlc_get_lookup_table(na,nb); +#ifdef DEBUG_H264CAVLC +// av_log(NULL, AV_LOG_DEBUG, "Luma: vlc=%d #c=%d #t1=%d\n", lookupTable, total_coeffs, trailing_ones); +#endif + h264cavlc_encode_vlc_coefftoken(b,lookupTable,total_coeffs,trailing_ones); + } + else + { +#ifdef DEBUG_H264CAVLC +// av_log(NULL, AV_LOG_DEBUG, "Chroma: #c=%d #t1=%d\n", total_coeffs, trailing_ones); +#endif + h264cavlc_encode_vlc_coefftoken_chromadc(b,total_coeffs,trailing_ones); + } + if (total_coeffs == 0) // Only zeros here, nothing left to do + return 0; + + // Encode the trailing one sign bits + + for (i = total_coeffs-1, t = trailing_ones ; t > 0 ; i--, t--) + { + put_bits(b,1, levels[i] <= 0); + } + + // Encode levels of the remaining nonzero coefficients + + if (numlevels > 0) + { + int level_two_or_higher = 1; + int firstlevel = 1; + int vlcnum; + + if (total_coeffs > 3 && trailing_ones == 3) + level_two_or_higher = 0; + + vlcnum = total_coeffs > 10 && trailing_ones < 3; + + for (i = numlevels-1 ; i >= 0 ; i--) + { + int16_t val = levels[i]; + int16_t level = ABS(val); + + if (level_two_or_higher) + { + if (val > 0) + val--; + else // < 0 + val++; + level_two_or_higher = 0; + } + +#ifdef DEBUG_H264CAVLC +// av_log(NULL, AV_LOG_DEBUG, "Encoding level %d with vlc %d\n",val,vlcnum); +#endif + h264cavlc_encode_vlc_level(b,vlcnum,val); + + // update VLC table + if (vlcnum < 6 && level > increment_vlcnum[vlcnum]) + vlcnum++; + + if (firstlevel) + { + firstlevel = 0; + if (level > 3) + vlcnum = 2; + } + } + } + + // If necessary, encode the amount of non-trailing zeros + + if (total_coeffs < len) + { + int vlcnum = total_coeffs-1; + +#ifdef DEBUG_H264CAVLC +// av_log(NULL, AV_LOG_DEBUG, "Encoding total_zeros %d with vlc %d\n",total_zeros,vlcnum); +#endif + + if (!is_chroma_dc) + h264cavlc_encode_vlc_totalzeros(b,vlcnum,total_zeros); + else + h264cavlc_encode_vlc_totalzeros_chromadc(b,vlcnum,total_zeros); + } + + // If necessary, encode the run_before values + + for (i = total_coeffs-1 ; i > 0 && total_zeros > 0 ; i--) + { + int runbefore = zeros[i]; + int vlcnum = FFMIN(total_zeros-1, 6); + +#ifdef DEBUG_H264CAVLC +// av_log(NULL, AV_LOG_DEBUG, "Encoding run %d with vlc %d\n",runbefore,vlcnum); +#endif + + h264cavlc_encode_vlc_run(b,vlcnum,runbefore); + total_zeros -= runbefore; + } + + return total_coeffs; +} + diff --git a/libavcodec/h264data.h b/libavcodec/h264data.h index 1dd9daf..6ee2204 100644 --- a/libavcodec/h264data.h +++ b/libavcodec/h264data.h @@ -51,6 +51,24 @@ #define EXTENDED_SAR 255 +/* NAL unit types */ +enum { +NAL_SLICE=1, +NAL_DPA, +NAL_DPB, +NAL_DPC, +NAL_IDR_SLICE, +NAL_SEI, +NAL_SPS, +NAL_PPS, +NAL_AUD, +NAL_END_SEQUENCE, +NAL_END_STREAM, +NAL_FILLER_DATA, +NAL_SPS_EXT, +NAL_AUXILIARY_SLICE=19 +}; + static const AVRational pixel_aspect[14]={ {0, 1}, {1, 1}, @@ -486,15 +504,6 @@ static const PMbInfo b_sub_mb_type_info[ {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, }, }; - -static const uint8_t rem6[52]={ -0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, -}; - -static const uint8_t div6[52]={ -0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, -}; - static const uint8_t default_scaling4[2][16]={ { 6,13,20,28, 13,20,28,32, diff --git a/libavcodec/h264enc.c b/libavcodec/h264enc.c new file mode 100644 index 0000000..4910ca9 --- /dev/null +++ b/libavcodec/h264enc.c @@ -0,0 +1,3003 @@ +/* + * H.264 encoder + * Copyright (c) 2006 Expertisecentrum Digitale Media, UHasselt + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "common.h" +#include "avcodec.h" +#include "bitstream.h" +#include "golomb.h" +#include "mpegvideo.h" +#include "h264data.h" +#include "dsputil.h" +#include +#include +#include + +#include "h264enc.h" + +#define DEFAULT_QP 30 +//#define DISABLE_DEBLOCKING +//#define H264_DEBUG_WRITE_DECODED_IMAGE +//#define H264_ENABLE_QPEL +#define NUMBER_OF_FRAMES 2 +#define RATECONTROLINTERVAL 0.5 +#define CHROMA_QP_INDEX_OFFSET_MAX 12 +#define CHROMA_QP_INDEX_OFFSET_MIN -12 + +#define H264_COPY_4X4BLOCK_TRANSPOSED_PART(A, xoffset, yoffset, dest, src1, src2) \ + dest[0][A] = src1[yoffset+A][xoffset+0]-src2[yoffset+A][xoffset+0]; \ + dest[1][A] = src1[yoffset+A][xoffset+1]-src2[yoffset+A][xoffset+1]; \ + dest[2][A] = src1[yoffset+A][xoffset+2]-src2[yoffset+A][xoffset+2]; \ + dest[3][A] = src1[yoffset+A][xoffset+3]-src2[yoffset+A][xoffset+3]; + +#define H264_COPY_4X4BLOCK_TRANSPOSED(xoffset,yoffset,dest,src1,src2) \ +{ \ + H264_COPY_4X4BLOCK_TRANSPOSED_PART(0, xoffset, yoffset, dest, src1, src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED_PART(1, xoffset, yoffset, dest, src1, src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED_PART(2, xoffset, yoffset, dest, src1, src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED_PART(3, xoffset, yoffset, dest, src1, src2); \ +} + +#define H264_COPY_16X16BLOCK(dest,src1,src2) \ +{ \ + H264_COPY_4X4BLOCK_TRANSPOSED(0,0,dest[0][0],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(4,0,dest[0][1],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(8,0,dest[0][2],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(12,0,dest[0][3],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(0,4,dest[1][0],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(4,4,dest[1][1],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(8,4,dest[1][2],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(12,4,dest[1][3],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(0,8,dest[2][0],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(4,8,dest[2][1],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(8,8,dest[2][2],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(12,8,dest[2][3],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(0,12,dest[3][0],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(4,12,dest[3][1],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(8,12,dest[3][2],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(12,12,dest[3][3],src1,src2); \ +} + +#define H264_COPY_8X8BLOCK(dest,src1,src2) \ +{ \ + H264_COPY_4X4BLOCK_TRANSPOSED(0,0,dest[0][0],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(4,0,dest[0][1],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(0,4,dest[1][0],src1,src2); \ + H264_COPY_4X4BLOCK_TRANSPOSED(4,4,dest[1][1],src1,src2); \ +} + +int h264cavlc_encode(PutBitContext *b, int16_t *coefficients, int len, int nA, int nB, int isChromaDC); +void h264cavlc_generate_tables(); +void h264cavlc_generate_cliptable(); +void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride); +extern int16_t ff_h264_cavlc_cliptable[H264_CAVLC_CLIPTABLE_SIZE]; + +#ifdef H264_DEBUG_WRITE_DECODED_IMAGE +static void ff_h264_append_image(uint8_t *data, AVCodecContext *avctx) +{ + int f = open("/tmp/teststream.yuv",O_CREAT|O_WRONLY|O_APPEND,S_IRUSR|S_IWUSR); + write(f,data,avctx->width*avctx->height*3/2); + close(f); +} +#endif + +/** + * For a specific picture, this function sets the correct Y,U and V start addresses for each macroblock + */ +static void ff_h264_assign_macroblocks(AVPicture *p, MacroBlock **mb_map, int mb_width, int mb_height, int setneighbours) +{ + int y,x,i; + int Ylinesize = p->linesize[0]; + int Ulinesize = p->linesize[1]; + int Vlinesize = p->linesize[2]; + + if (!setneighbours) + { + for (y = 0 ; y < mb_height ; y++) + { + int y16 = y << 4; + int y8 = y << 3; + + for (x = 0 ; x < mb_width ; x++) + { + int x16 = x << 4; + int x8 = x << 3; + + for (i = 0 ; i < 8 ; i++) + { + int ypos = y8+i; + mb_map[y][x].U[i] = p->data[1]+(x8+ypos*Ulinesize); + mb_map[y][x].V[i] = p->data[2]+(x8+ypos*Vlinesize); + } + for (i = 0 ; i < 16 ; i++) + mb_map[y][x].Y[i] = p->data[0]+(x16+(y16+i)*Ylinesize); + + mb_map[y][x].topblock = NULL; + mb_map[y][x].leftblock = NULL; + mb_map[y][x].rightblock = NULL; + mb_map[y][x].available = 0; + } + } + } + else + { + y = 0; + x = 0; + for (i = 0 ; i < 8 ; i++) + { + mb_map[y][x].U[i] = p->data[1]+((x<<3)+((y<<3)+i)*Ulinesize); + mb_map[y][x].V[i] = p->data[2]+((x<<3)+((y<<3)+i)*Vlinesize); + } + for (i = 0 ; i < 16 ; i++) + mb_map[y][x].Y[i] = p->data[0]+((x<<4)+((y<<4)+i)*Ylinesize); + + mb_map[y][x].topblock = NULL; + mb_map[y][x].leftblock = NULL; + + if (x < mb_width-1) + mb_map[y][x].rightblock = &(mb_map[y][x+1]); + else + mb_map[y][x].rightblock = NULL; + mb_map[y][x].available = 0; + + y = 0; + for (x = 1 ; x < mb_width ; x++) + { + for (i = 0 ; i < 8 ; i++) + { + mb_map[y][x].U[i] = p->data[1]+((x<<3)+((y<<3)+i)*Ulinesize); + mb_map[y][x].V[i] = p->data[2]+((x<<3)+((y<<3)+i)*Vlinesize); + } + for (i = 0 ; i < 16 ; i++) + mb_map[y][x].Y[i] = p->data[0]+((x<<4)+((y<<4)+i)*Ylinesize); + + mb_map[y][x].topblock = NULL; + mb_map[y][x].leftblock = &(mb_map[y][x-1]); + if (x < mb_width-1) + mb_map[y][x].rightblock = &(mb_map[y][x+1]); + else + mb_map[y][x].rightblock = NULL; + mb_map[y][x].available = 0; + } + + x = 0; + for (y = 1 ; y < mb_height ; y++) + { + for (i = 0 ; i < 8 ; i++) + { + mb_map[y][x].U[i] = p->data[1]+((x<<3)+((y<<3)+i)*Ulinesize); + mb_map[y][x].V[i] = p->data[2]+((x<<3)+((y<<3)+i)*Vlinesize); + } + for (i = 0 ; i < 16 ; i++) + mb_map[y][x].Y[i] = p->data[0]+((x<<4)+((y<<4)+i)*Ylinesize); + + mb_map[y][x].topblock = &(mb_map[y-1][x]); + mb_map[y][x].leftblock = NULL; + if (x < mb_width-1) + mb_map[y][x].rightblock = &(mb_map[y][x+1]); + else + mb_map[y][x].rightblock = NULL; + mb_map[y][x].available = 0; + } + + for (y = 1 ; y < mb_height ; y++) + { + for (x = 1 ; x < mb_width ; x++) + { + for (i = 0 ; i < 8 ; i++) + { + mb_map[y][x].U[i] = p->data[1]+((x<<3)+((y<<3)+i)*Ulinesize); + mb_map[y][x].V[i] = p->data[2]+((x<<3)+((y<<3)+i)*Vlinesize); + } + for (i = 0 ; i < 16 ; i++) + mb_map[y][x].Y[i] = p->data[0]+((x<<4)+((y<<4)+i)*Ylinesize); + + mb_map[y][x].topblock = &(mb_map[y-1][x]); + mb_map[y][x].leftblock = &(mb_map[y][x-1]); + if (x < mb_width-1) + mb_map[y][x].rightblock = &(mb_map[y][x+1]); + else + mb_map[y][x].rightblock = NULL; + mb_map[y][x].available = 0; + } + } + } +} + +static void ff_h264_clear_nonzero_markers(MacroBlock **mb_map, int mb_width, int mb_height) +{ + int x,y; + + for (y = 0 ; y < mb_height ; y++) + { + for (x = 0 ; x < mb_width ; x++) + { + // mark as not available + + memset(&(mb_map[y][x].Y_nonzero[0][0]),0xff,sizeof(int)*16); // set to -1 + memset(&(mb_map[y][x].U_nonzero[0][0]),0xff,sizeof(int)*4); // set to -1 + memset(&(mb_map[y][x].V_nonzero[0][0]),0xff,sizeof(int)*4); // set to -1 + + mb_map[y][x].available = 0; + } + } +} + +static int ff_h264_encoder_init(AVCodecContext *avctx) +{ + H264Context *t = (H264Context *)avctx->priv_data; + uint8_t *buf; + int s,x,y,i; + int width, height; + + switch(avctx->pix_fmt){ + case PIX_FMT_YUV420P: + break; + default: + av_log(avctx, AV_LOG_ERROR, "format not supported\n"); + return -1; + } + + t->frame_cropping_flag = 0; + t->frame_crop_left_offset = 0; + t->frame_crop_right_offset = 0; + t->frame_crop_top_offset = 0; + t->frame_crop_bottom_offset = 0; + + width = avctx->width; + height = avctx->height; + av_log(avctx, AV_LOG_DEBUG, "width: %d height: %d wr: %d hr: %d mb_width: %d mb_height: %d \n", width, height, width%16, height%16, t->mb_width, t->mb_height); + + t->mb_width = width/16; + t->mb_height = height/16; + t->frame_width = width; + t->frame_height = height; + + if (( width % 16) !=0 ) + { + t->frame_cropping_flag = 1; + t->frame_crop_left_offset = 0; + t->frame_crop_right_offset = (width%16)/2; + t->mb_width++; + } + + if (( height % 16) !=0 ) + { + t->frame_cropping_flag = 1; + t->frame_crop_top_offset = 0; + t->frame_crop_bottom_offset = (height%16)/2; + t->mb_height++; + } + + width = t->mb_width * 16; + height = t->mb_height * 16; + t->refframe_width = width; + t->refframe_height = height; + + av_log(avctx, AV_LOG_DEBUG, "frame cropping: %d left: %d right: %d top: %d bottom: %d\n", + t->frame_cropping_flag, + t->frame_crop_left_offset, + t->frame_crop_right_offset, + t->frame_crop_top_offset, + t->frame_crop_bottom_offset); + + s = avpicture_get_size(avctx->pix_fmt, width, height); + avpicture_alloc(&t->pi, avctx->pix_fmt, width, height); + avpicture_alloc(&t->po, avctx->pix_fmt, width, height); + + t->bitstream = (uint8_t *)t->pi.data[0]; + t->bytestream = (uint8_t *)t->po.data[0]; + t->bufsize = s*2; + t->frame_num = 0; + + + av_log(avctx, AV_LOG_DEBUG, "width: %d height: %d wr: %d hr: %d mb_width: %d mb_height: %d \n", width, height, width%16, height%16, t->mb_width, t->mb_height); + + t->mb_map = (MacroBlock **)av_malloc(sizeof(MacroBlock*) * t->mb_height); + for (y = 0 ; y < t->mb_height ; y++) + { + t->mb_map[y] = (MacroBlock *)av_malloc(sizeof(MacroBlock) * t->mb_width); + for (x = 0 ; x < t->mb_width ; x++) + { + t->mb_map[y][x].Y_width = 16; + t->mb_map[y][x].Y_height = 16; + } + } + + t->framebufsize = NUMBER_OF_FRAMES; + t->reconstructed_frames = (FrameInfo **)av_malloc(sizeof(FrameInfo *)*t->framebufsize); + + for (i = 0 ; i < t->framebufsize ; i++) + { + t->reconstructed_frames[i] = (FrameInfo *)av_malloc(sizeof(FrameInfo)); + + buf = (uint8_t *)av_malloc(s); + avpicture_fill(&(t->reconstructed_frames[i]->reconstructed_picture), buf, PIX_FMT_YUV420P, width, height); + + t->reconstructed_frames[i]->reconstructed_mb_map = (MacroBlock **)av_malloc(sizeof(MacroBlock*) * t->mb_height); + for (y = 0 ; y < t->mb_height ; y++) + { + t->reconstructed_frames[i]->reconstructed_mb_map[y] = (MacroBlock *)av_malloc(sizeof(MacroBlock) * t->mb_width); + for (x = 0 ; x < t->mb_width ; x++) + { + t->reconstructed_frames[i]->reconstructed_mb_map[y][x].Y_width = 16; + t->reconstructed_frames[i]->reconstructed_mb_map[y][x].Y_height = 16; + } + } + ff_h264_assign_macroblocks(&(t->reconstructed_frames[i]->reconstructed_picture),t->reconstructed_frames[i]->reconstructed_mb_map,t->mb_width,t->mb_height,1); + } + + if (!avctx->global_quality) + { + t->QP = DEFAULT_QP; + t->use_fixed_qp = 0; + } + else + { + t->QP = avctx->global_quality / FF_QP2LAMBDA; + t->use_fixed_qp = 1; + } + t->PPS_QP = t->QP; + + t->chroma_qp_index_offset = avctx->chromaoffset; + t->chroma_qp_index_offset = clip(t->chroma_qp_index_offset, CHROMA_QP_INDEX_OFFSET_MIN, CHROMA_QP_INDEX_OFFSET_MAX); + av_log(avctx, AV_LOG_DEBUG, "chroma_qp_index_offset: %d\n", t->chroma_qp_index_offset); + t->IDRcount = 64; + t->IDR_frame_num = 0; + + // init dsp + dsputil_init(&(t->dspcontext),avctx); + t->Y_stride = t->reconstructed_frames[0]->reconstructed_picture.linesize[0]; + t->U_stride = t->reconstructed_frames[0]->reconstructed_picture.linesize[1]; + t->V_stride = t->reconstructed_frames[0]->reconstructed_picture.linesize[2]; + + // Create an AVPicture instance with the same dimensions as the reference pictures to hold a copy + // of the input frame + buf = (uint8_t *)av_malloc(s); + avpicture_fill(&(t->input_frame_copy), buf, PIX_FMT_YUV420P, width, height); + memset(buf,0,s); + + // Assign the macroblock map to this copy of the input image + ff_h264_assign_macroblocks(&(t->input_frame_copy),t->mb_map,t->mb_width,t->mb_height,0); + + // Blocksize history, we use a separate history for I and P frame + t->milliseconds_per_frame = (1000*avctx->time_base.num)/avctx->time_base.den; + t->blocksize_history_length = (RATECONTROLINTERVAL*avctx->time_base.den)/avctx->time_base.num; + t->blocksize_history = (int64_t *)av_malloc(sizeof(int64_t)*t->blocksize_history_length); + t->blocksize_history_pos = 0; + t->blocksize_history_num_filled = 0; + t->blocksize_history_total_milliseconds = 0; + t->blocksize_history_sum = 0; + for (i = 0 ; i < t->blocksize_history_length ; i++) + t->blocksize_history[i] = 0; + + h264cavlc_generate_tables(); + h264cavlc_generate_cliptable(); + return 0; +} + +static uint8_t *ff_h264_write_nal_unit(int nal_ref_idc, int nal_unit_type, uint8_t *dest, int *destsize, + PutBitContext *b2) +{ + PutBitContext b; + int i, destpos, rbsplen; + uint8_t *rbsp; + + // Align b2 on a byte boundary + + align_put_bits(b2); + rbsplen = put_bits_count(b2)/8; + flush_put_bits(b2); + rbsp = b2->buf; + + init_put_bits(&b,dest,*destsize); + + put_bits(&b,16,0); + put_bits(&b,16,0x01); + + put_bits(&b,1,0); // forbidden zero bit + put_bits(&b,2,nal_ref_idc); // nal_ref_idc + put_bits(&b,5,nal_unit_type); // nal_unit_type + + flush_put_bits(&b); + + destpos = 5; + + for (i = 0 ; i < rbsplen ; i++) + { + if (i + 2 < rbsplen && (rbsp[i] == 0 && rbsp[i+1] == 0 && rbsp[i+2] < 4)) + { + dest[destpos++] = rbsp[i++]; + dest[destpos++] = rbsp[i]; + dest[destpos++] = 0x03; // emulation prevention byte + } + else + dest[destpos++] = rbsp[i]; + } + + *destsize -= destpos; + return dest+destpos; +} + +static void ff_h264_encode_I_PCM(MacroBlock *mb, PutBitContext *b, MacroBlock *copy_mb) +{ + int w = mb->Y_width; + int h = mb->Y_height; + int x,y; + + set_ue_golomb(b, 25); // mb_type = I_PCM + align_put_bits(b); + + // Y + + for (y = 0 ; y < h ; y++) + { + for (x = 0 ; x < w ; x++) + put_bits(b,8,mb->Y[y][x]); + for ( ; x < 16 ; x++) + put_bits(b,8,0); + } + for ( ; y < 16 ; y++) + { + for (x = 0 ; x < 16 ; x++) + put_bits(b,8,0); + } + + // copy Y + + for (y = 0 ; y < h ; y++) + for (x = 0 ; x < w ; x++) + copy_mb->Y[y][x] = mb->Y[y][x]; + + w >>= 1; + h >>= 1; + + // U + + for (y = 0 ; y < h ; y++) + { + for (x = 0 ; x < w ; x++) + put_bits(b,8,mb->U[y][x]); + for ( ; x < 8 ; x++) + put_bits(b,8,0); + } + for ( ; y < 8 ; y++) + { + for (x = 0 ; x < 8 ; x++) + put_bits(b,8,0); + } + + // V + + for (y = 0 ; y < h ; y++) + { + for (x = 0 ; x < w ; x++) + put_bits(b,8,mb->V[y][x]); + for ( ; x < 8 ; x++) + put_bits(b,8,0); + } + for ( ; y < 8 ; y++) + { + for (x = 0 ; x < 8 ; x++) + put_bits(b,8,0); + } + + // copy U and V + + for (y = 0 ; y < h ; y++) + { + for (x = 0 ; x < w ; x++) + { + copy_mb->U[y][x] = mb->U[y][x]; + copy_mb->V[y][x] = mb->V[y][x]; + } + } + + // store the nonzero counts (set to 16 for I_PCM blocks) + + for (y = 0 ; y < 4 ; y++) + { + for (x = 0 ; x < 4 ; x++) + { + copy_mb->Y_nonzero[y][x] = 16; + } + } + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + copy_mb->U_nonzero[y][x] = 16; + copy_mb->V_nonzero[y][x] = 16; + } + } + + copy_mb->available = 1; +} + +// inblock is transposed, outblock isn't +void ff_h264_dct_c(DCTELEM inblock[4][4],DCTELEM outblock[4][4]) +{ + DCTELEM pieces[4][4]; + + pieces[0][0] = inblock[0][0]+inblock[1][0]+inblock[2][0]+inblock[3][0]; + pieces[0][1] = inblock[0][1]+inblock[1][1]+inblock[2][1]+inblock[3][1]; + pieces[0][2] = inblock[0][2]+inblock[1][2]+inblock[2][2]+inblock[3][2]; + pieces[0][3] = inblock[0][3]+inblock[1][3]+inblock[2][3]+inblock[3][3]; + + pieces[1][0] = (inblock[0][0]<<1)+inblock[1][0]-inblock[2][0]-(inblock[3][0]<<1); + pieces[1][1] = (inblock[0][1]<<1)+inblock[1][1]-inblock[2][1]-(inblock[3][1]<<1); + pieces[1][2] = (inblock[0][2]<<1)+inblock[1][2]-inblock[2][2]-(inblock[3][2]<<1); + pieces[1][3] = (inblock[0][3]<<1)+inblock[1][3]-inblock[2][3]-(inblock[3][3]<<1); + + pieces[2][0] = inblock[0][0]-inblock[1][0]-inblock[2][0]+inblock[3][0]; + pieces[2][1] = inblock[0][1]-inblock[1][1]-inblock[2][1]+inblock[3][1]; + pieces[2][2] = inblock[0][2]-inblock[1][2]-inblock[2][2]+inblock[3][2]; + pieces[2][3] = inblock[0][3]-inblock[1][3]-inblock[2][3]+inblock[3][3]; + + pieces[3][0] = inblock[0][0]-(inblock[1][0]<<1)+(inblock[2][0]<<1)-inblock[3][0]; + pieces[3][1] = inblock[0][1]-(inblock[1][1]<<1)+(inblock[2][1]<<1)-inblock[3][1]; + pieces[3][2] = inblock[0][2]-(inblock[1][2]<<1)+(inblock[2][2]<<1)-inblock[3][2]; + pieces[3][3] = inblock[0][3]-(inblock[1][3]<<1)+(inblock[2][3]<<1)-inblock[3][3]; + + outblock[0][0] = pieces[0][0]+pieces[0][1]+pieces[0][2]+pieces[0][3]; + outblock[0][1] = pieces[1][0]+pieces[1][1]+pieces[1][2]+pieces[1][3]; + outblock[0][2] = pieces[2][0]+pieces[2][1]+pieces[2][2]+pieces[2][3]; + outblock[0][3] = pieces[3][0]+pieces[3][1]+pieces[3][2]+pieces[3][3]; + + outblock[1][0] = (pieces[0][0] << 1)+pieces[0][1]-pieces[0][2]-(pieces[0][3]<<1); + outblock[1][1] = (pieces[1][0] << 1)+pieces[1][1]-pieces[1][2]-(pieces[1][3]<<1); + outblock[1][2] = (pieces[2][0] << 1)+pieces[2][1]-pieces[2][2]-(pieces[2][3]<<1); + outblock[1][3] = (pieces[3][0] << 1)+pieces[3][1]-pieces[3][2]-(pieces[3][3]<<1); + + outblock[2][0] = pieces[0][0]-pieces[0][1]-pieces[0][2]+pieces[0][3]; + outblock[2][1] = pieces[1][0]-pieces[1][1]-pieces[1][2]+pieces[1][3]; + outblock[2][2] = pieces[2][0]-pieces[2][1]-pieces[2][2]+pieces[2][3]; + outblock[2][3] = pieces[3][0]-pieces[3][1]-pieces[3][2]+pieces[3][3]; + + outblock[3][0] = pieces[0][0]-(pieces[0][1]<<1)+(pieces[0][2]<<1)-pieces[0][3]; + outblock[3][1] = pieces[1][0]-(pieces[1][1]<<1)+(pieces[1][2]<<1)-pieces[1][3]; + outblock[3][2] = pieces[2][0]-(pieces[2][1]<<1)+(pieces[2][2]<<1)-pieces[2][3]; + outblock[3][3] = pieces[3][0]-(pieces[3][1]<<1)+(pieces[3][2]<<1)-pieces[3][3]; +} + + +void ff_h264_hadamard_mult4x4_c(DCTELEM Y[4][4]) +{ + DCTELEM pieces[4][4]; + + pieces[0][0] = Y[0][0]+Y[0][1]+Y[0][2]+Y[0][3]; + pieces[0][1] = Y[1][0]+Y[1][1]+Y[1][2]+Y[1][3]; + pieces[0][2] = Y[2][0]+Y[2][1]+Y[2][2]+Y[2][3]; + pieces[0][3] = Y[3][0]+Y[3][1]+Y[3][2]+Y[3][3]; + + pieces[1][0] = Y[0][0]+Y[0][1]-Y[0][2]-Y[0][3]; + pieces[1][1] = Y[1][0]+Y[1][1]-Y[1][2]-Y[1][3]; + pieces[1][2] = Y[2][0]+Y[2][1]-Y[2][2]-Y[2][3]; + pieces[1][3] = Y[3][0]+Y[3][1]-Y[3][2]-Y[3][3]; + + pieces[2][0] = Y[0][0]-Y[0][1]-Y[0][2]+Y[0][3]; + pieces[2][1] = Y[1][0]-Y[1][1]-Y[1][2]+Y[1][3]; + pieces[2][2] = Y[2][0]-Y[2][1]-Y[2][2]+Y[2][3]; + pieces[2][3] = Y[3][0]-Y[3][1]-Y[3][2]+Y[3][3]; + + pieces[3][0] = Y[0][0]-Y[0][1]+Y[0][2]-Y[0][3]; + pieces[3][1] = Y[1][0]-Y[1][1]+Y[1][2]-Y[1][3]; + pieces[3][2] = Y[2][0]-Y[2][1]+Y[2][2]-Y[2][3]; + pieces[3][3] = Y[3][0]-Y[3][1]+Y[3][2]-Y[3][3]; + + Y[0][0] = pieces[0][0]+pieces[0][1]+pieces[0][2]+pieces[0][3]; + Y[0][1] = pieces[1][0]+pieces[1][1]+pieces[1][2]+pieces[1][3]; + Y[0][2] = pieces[2][0]+pieces[2][1]+pieces[2][2]+pieces[2][3]; + Y[0][3] = pieces[3][0]+pieces[3][1]+pieces[3][2]+pieces[3][3]; + + Y[1][0] = pieces[0][0]+pieces[0][1]-pieces[0][2]-pieces[0][3]; + Y[1][1] = pieces[1][0]+pieces[1][1]-pieces[1][2]-pieces[1][3]; + Y[1][2] = pieces[2][0]+pieces[2][1]-pieces[2][2]-pieces[2][3]; + Y[1][3] = pieces[3][0]+pieces[3][1]-pieces[3][2]-pieces[3][3]; + + Y[2][0] = pieces[0][0]-pieces[0][1]-pieces[0][2]+pieces[0][3]; + Y[2][1] = pieces[1][0]-pieces[1][1]-pieces[1][2]+pieces[1][3]; + Y[2][2] = pieces[2][0]-pieces[2][1]-pieces[2][2]+pieces[2][3]; + Y[2][3] = pieces[3][0]-pieces[3][1]-pieces[3][2]+pieces[3][3]; + + Y[3][0] = pieces[0][0]-pieces[0][1]+pieces[0][2]-pieces[0][3]; + Y[3][1] = pieces[1][0]-pieces[1][1]+pieces[1][2]-pieces[1][3]; + Y[3][2] = pieces[2][0]-pieces[2][1]+pieces[2][2]-pieces[2][3]; + Y[3][3] = pieces[3][0]-pieces[3][1]+pieces[3][2]-pieces[3][3]; +} + +static inline void ff_h264_hadamard_mult_2x2(int16_t Y[2][2]) +{ + int16_t pieces[2][2]; + + pieces[0][0] = Y[0][0]+Y[0][1]; + pieces[0][1] = Y[1][0]+Y[1][1]; + pieces[1][0] = Y[0][0]-Y[0][1]; + pieces[1][1] = Y[1][0]-Y[1][1]; + Y[0][0] = pieces[0][0]+pieces[0][1]; + Y[0][1] = pieces[1][0]+pieces[1][1]; + Y[1][0] = pieces[0][0]-pieces[0][1]; + Y[1][1] = pieces[1][0]-pieces[1][1]; +} + +const int16_t ff_h264_MF00[6] = {13107, 11916, 10082, 9362, 8192, 7282}; +const int16_t ff_h264_V00[6] = {10*16, 11*16, 13*16, 14*16, 16*16, 18*16}; + +static inline void ff_h264_hadamard_invquant_2x2(int16_t Y[2][2], int QP) +{ + int32_t V = ff_h264_V00[QP%6]; + int div = QP/6; + + V <<= div; + Y[0][0] = (Y[0][0]*V) >> 5; + Y[0][1] = (Y[0][1]*V) >> 5; + Y[1][0] = (Y[1][0]*V) >> 5; + Y[1][1] = (Y[1][1]*V) >> 5; +} + +#define NEIGHBOUR_SUBTYPE_Y 0 +#define NEIGHBOUR_SUBTYPE_U 1 +#define NEIGHBOUR_SUBTYPE_V 2 + +#define H264_NEIGHBOUR_COUNT_NONZERO_PLANE(PLANE, P) \ + { \ + if (x == 0) \ + { \ + MacroBlock *leftmb = mb->leftblock; \ + if (!leftmb) \ + *nA = -1; \ + else \ + *nA = leftmb->PLANE[y][P]; \ + } \ + else \ + *nA = mb->PLANE[y][x-1]; \ + if (y == 0) \ + { \ + MacroBlock *topmb = mb->topblock; \ + if (!topmb) \ + *nB = -1; \ + else \ + *nB = topmb->PLANE[P][x]; \ + } \ + else \ + *nB = mb->PLANE[y-1][x]; \ + } + +static inline void ff_h264_neighbour_count_nonzero(MacroBlock *mb, int type, int x, int y, int *nA, int *nB) +{ + if (type == NEIGHBOUR_SUBTYPE_Y) + H264_NEIGHBOUR_COUNT_NONZERO_PLANE(Y_nonzero, 3) + else if (type == NEIGHBOUR_SUBTYPE_U) + H264_NEIGHBOUR_COUNT_NONZERO_PLANE(U_nonzero, 1) + else + H264_NEIGHBOUR_COUNT_NONZERO_PLANE(V_nonzero, 1) +} + +#define H264_JUST_CLIP(x) \ +{\ + x = ff_h264_cavlc_cliptable[H264_CAVLC_CLIPTABLE_OFFSET+(int)(x)]; \ +} + +#define H264_COUNT_AND_CLIP(x,count) \ +{\ + int16_t val = x;\ + if (val != 0)\ + count++;\ + x = ff_h264_cavlc_cliptable[H264_CAVLC_CLIPTABLE_OFFSET+(int)val]; \ +} + +#define H264_COUNT_AND_CLIP_SUBBLOCK(x,count)\ +{\ + H264_COUNT_AND_CLIP(x[0][1],count);\ + H264_COUNT_AND_CLIP(x[0][2],count);\ + H264_COUNT_AND_CLIP(x[0][3],count);\ + H264_COUNT_AND_CLIP(x[1][0],count);\ + H264_COUNT_AND_CLIP(x[1][1],count);\ + H264_COUNT_AND_CLIP(x[1][2],count);\ + H264_COUNT_AND_CLIP(x[1][3],count);\ + H264_COUNT_AND_CLIP(x[2][0],count);\ + H264_COUNT_AND_CLIP(x[2][1],count);\ + H264_COUNT_AND_CLIP(x[2][2],count);\ + H264_COUNT_AND_CLIP(x[2][3],count);\ + H264_COUNT_AND_CLIP(x[3][0],count);\ + H264_COUNT_AND_CLIP(x[3][1],count);\ + H264_COUNT_AND_CLIP(x[3][2],count);\ + H264_COUNT_AND_CLIP(x[3][3],count);\ +} + +static const int8_t zigzagx[16] = { 0,1,0,0,1,2,3,2,1,0,1,2,3,3,2,3 }; +static const int8_t zigzagy[16] = { 0,0,1,2,1,0,0,1,2,3,3,2,1,2,3,3 }; + +#define H264_ENCODE_INTRA16X16_RESIDUAL_COEFFICIENTS(PLANE) \ + coefficients[0] = PLANE[0][0]; \ + coefficients[1] = PLANE[0][1]; \ + coefficients[2] = PLANE[1][0]; \ + coefficients[3] = PLANE[1][1]; \ + h264cavlc_encode(b,coefficients,4,-1,-1,1); // nA and nB are not used in this case + +static void ff_h264_encode_intra16x16_residual(PutBitContext *b,DCTELEM YD[4][4],DCTELEM UD[2][2],DCTELEM VD[2][2], + Residual *residual, int lumamode, int chromamode, MacroBlock *mb) +{ + int lumaACcount = 0; + int chromaDCcount = 0; + int chromaACcount = 0; + int CodedBlockPatternChroma = 0; + int CodedBlockPatternLuma = 0; + int x,y,i,j; + static const int8_t mbtype_map[4][3][2] = + { + { + { 1, 13 }, // 0 0 0, 0 0 1 + { 5, 17 }, // 0 1 0, 0 1 1 + { 9, 21 } // 0 2 0, 0 2 1 + }, + { + { 2, 14 }, // 1 0 0, 1 0 1 + { 6, 18 }, // 1 1 0, 1 1 1 + { 10, 22 } // 1 2 0, 1 2 1 + }, + { + { 3, 15 }, // 2 0 0, 2 0 1 + { 7, 19 }, // 2 1 0, 2 1 1 + { 11, 23 } // 2 2 0, 2 2 1 + }, + { + { 4, 16 }, // 3 0 0, 3 0 1 + { 8, 20 }, // 3 1 0, 3 1 1 + { 12, 24 } // 3 2 0, 3 2 1 + } + }; + int16_t coefficients[256]; + int nA,nB; + + + for (y = 0 ; y < 4 ; y++) + for (x = 0 ; x < 4 ; x++) + H264_COUNT_AND_CLIP_SUBBLOCK(residual->part4x4Y[y][x],lumaACcount); + + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + H264_COUNT_AND_CLIP_SUBBLOCK(residual->part4x4U[y][x],chromaACcount); + H264_COUNT_AND_CLIP_SUBBLOCK(residual->part4x4V[y][x],chromaACcount); + } + } + + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + H264_COUNT_AND_CLIP(UD[y][x],chromaDCcount); + H264_COUNT_AND_CLIP(VD[y][x],chromaDCcount); + } + } + + for (y = 0 ; y < 4 ; y++) + for (x = 0 ; x < 4 ; x++) + H264_JUST_CLIP(YD[y][x]); + + if(chromaACcount) + CodedBlockPatternChroma= 2; + else + CodedBlockPatternChroma= !!chromaDCcount; + + if (lumaACcount == 0) + CodedBlockPatternLuma = 0; + else + CodedBlockPatternLuma = 1; // actually it is 15 in the ITU spec, but I'd like to use it as an array index + + set_ue_golomb(b, mbtype_map[lumamode][CodedBlockPatternChroma][CodedBlockPatternLuma]); // mb_type + set_ue_golomb(b, chromamode); // intra_chroma_pred_mode + set_se_golomb(b, 0); // mb_qp_delta + + // encode luma DC coefficients + + ff_h264_neighbour_count_nonzero(mb,NEIGHBOUR_SUBTYPE_Y,0,0,&nA,&nB); + for (i = 0 ; i < 16 ; i++) + coefficients[i] = YD[zigzagy[i]][zigzagx[i]]; + h264cavlc_encode(b,coefficients,16,nA,nB,0); + + if (CodedBlockPatternLuma > 0) + { + for (j = 0 ; j < 4 ; j++) + { + int X = (j&1) << 1; + int Y = j&2; + + for (i = 0 ; i < 4 ; i++) + { + int x = (i%2)+X; + int y = (i/2)+Y; + + int k; + + for (k = 0 ; k < 15 ; k++) + coefficients[k] = residual->part4x4Y[y][x][zigzagy[k+1]][zigzagx[k+1]]; + ff_h264_neighbour_count_nonzero(mb,NEIGHBOUR_SUBTYPE_Y,x,y,&nA,&nB); + mb->Y_nonzero[y][x] = h264cavlc_encode(b,coefficients,15,nA,nB,0); + } + } + } + else + { + int x,y; + + for (y = 0 ; y < 4 ; y++) + for (x = 0 ; x < 4 ; x++) + mb->Y_nonzero[y][x] = 0; + } + + if (CodedBlockPatternChroma == 0) + { + int x,y; + + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + mb->U_nonzero[y][x] = 0; + mb->V_nonzero[y][x] = 0; + } + } + return; + } + + if (CodedBlockPatternChroma != 0) + { + H264_ENCODE_INTRA16X16_RESIDUAL_COEFFICIENTS(UD); + H264_ENCODE_INTRA16X16_RESIDUAL_COEFFICIENTS(VD); + } + + if (CodedBlockPatternChroma == 2) + { + for (i = 0 ; i < 4 ; i++) + { + int x = (i%2); + int y = (i/2); + + int k; + + for (k = 0 ; k < 15 ; k++) + coefficients[k] = residual->part4x4U[y][x][zigzagy[k+1]][zigzagx[k+1]]; + ff_h264_neighbour_count_nonzero(mb,NEIGHBOUR_SUBTYPE_U,x,y,&nA,&nB); + mb->U_nonzero[y][x] = h264cavlc_encode(b,coefficients,15,nA,nB,0); + } + + for (i = 0 ; i < 4 ; i++) + { + int x = (i%2); + int y = (i/2); + + int k; + + for (k = 0 ; k < 15 ; k++) + coefficients[k] = residual->part4x4V[y][x][zigzagy[k+1]][zigzagx[k+1]]; + ff_h264_neighbour_count_nonzero(mb,NEIGHBOUR_SUBTYPE_V,x,y,&nA,&nB); + mb->V_nonzero[y][x] = h264cavlc_encode(b,coefficients,15,nA,nB,0); + } + } + else + { + int x,y; + + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + mb->U_nonzero[y][x] = 0; + mb->V_nonzero[y][x] = 0; + } + } + } +} + +static void ff_h264_encode_Intra_16x16(H264Context *t, MacroBlock *targetmb, PutBitContext *b, + MacroBlock *destmb) +{ + int x,y; + int w,h,w2,h2; + DCTELEM YD[4][4]; + DCTELEM UD[2][2]; + DCTELEM VD[2][2]; + int qPI; + int QPc; + int QPy = t->QP; + int lumapredmode = 2; + int chromapredmode = 0; + int leftavail = 0; + int topavail = 0; + + qPI = t->QP + t->chroma_qp_index_offset; + qPI = clip(qPI, 0, 51); + QPc = chroma_qp[qPI]; + + w = targetmb->Y_width; + h = targetmb->Y_height; + w2 = w>>1; + h2 = h>>1; + + if (destmb->leftblock != NULL && destmb->leftblock->available) + leftavail = 1; + if (destmb->topblock != NULL && destmb->topblock->available) + topavail = 1; + + // TODO: use better strategy to determine intra16x16 encoding mode + + if (leftavail) + { + MacroBlock *srcleft = destmb->leftblock; + + if (topavail && w == 16 && h == 16 && srcleft->topblock != 0 && srcleft->topblock->available) + { + // Plane prediction + + MacroBlock *srctop = destmb->topblock; + MacroBlock *srctopleft = srcleft->topblock; + int32_t aY,bY,cY,HY,VY; + int32_t aU,bU,cU,HU,VU; + int32_t aV,bV,cV,HV,VV; + + // luma + + HY = 0; + for (x = 0 ; x < 7 ; x++) + HY += (x+1)*(srctop->Y[15][8+x]-srctop->Y[15][6-x]); + HY += (7+1)*(srctop->Y[15][8+7]-srctopleft->Y[15][15]); + + VY = 0; + for (y = 0 ; y < 7 ; y++) + VY += (y+1)*(srcleft->Y[8+y][15]-srcleft->Y[6-y][15]); + VY += (7+1)*(srcleft->Y[8+7][15]-srctopleft->Y[15][15]); + + aY = 16*(srcleft->Y[15][15]+srctop->Y[15][15]); + bY = (5*HY+32)>>6; + cY = (5*VY+32)>>6; + + for (y = 0 ; y < 16 ; y++) + { + for (x = 0 ; x < 16 ; x++) + { + int32_t val; + + val = (aY+bY*(x-7)+cY*(y-7)+16)>>5; + val = clip_uint8(val); + destmb->Y[y][x] = (uint8_t)val; + } + } + + HU = 0; + for (x = 0 ; x < 3 ; x++) + HU += (x+1)*(srctop->U[7][4+x]-srctop->U[7][2-x]); + HU += (3+1)*(srctop->U[7][4+3]-srctopleft->U[7][7]); + + VU = 0; + for (y = 0 ; y < 3 ; y++) + VU += (y+1)*(srcleft->U[4+y][7]-srcleft->U[2-y][7]); + VU += (3+1)*(srcleft->U[4+3][7]-srctopleft->U[7][7]); + + aU = 16*(srcleft->U[7][7]+srctop->U[7][7]); + bU = (34*HU+32)>>6; + cU = (34*VU+32)>>6; + + for (y = 0 ; y < 8 ; y++) + { + for (x = 0 ; x < 8 ; x++) + { + int32_t val; + + val = (aU+bU*(x-3)+cU*(y-3)+16)>>5; + val = clip_uint8(val); + destmb->U[y][x] = (uint8_t)val; + } + } + + + HV = 0; + for (x = 0 ; x < 3 ; x++) + HV += (x+1)*(srctop->V[7][4+x]-srctop->V[7][2-x]); + HV += (3+1)*(srctop->V[7][4+3]-srctopleft->V[7][7]); + + VV = 0; + for (y = 0 ; y < 3 ; y++) + VV += (y+1)*(srcleft->V[4+y][7]-srcleft->V[2-y][7]); + VV += (3+1)*(srcleft->V[4+3][7]-srctopleft->V[7][7]); + + aV = 16*(srcleft->V[7][7]+srctop->V[7][7]); + bV = (34*HV+32)>>6; + cV = (34*VV+32)>>6; + + for (y = 0 ; y < 8 ; y++) + { + for (x = 0 ; x < 8 ; x++) + { + int32_t val; + + val = (aV+bV*(x-3)+cV*(y-3)+16)>>5; + val = clip_uint8(val); + destmb->V[y][x] = (uint8_t)val; + } + } + + lumapredmode = PLANE_PRED8x8; + chromapredmode = PLANE_PRED8x8; + } + else + { + // Horizontal prediction + + MacroBlock *srcmb = destmb->leftblock; // this is from the picture which is being reconstructed + // and which should be used for the prediction + for (y = 0 ; y < h ; y++) + { + uint8_t val = srcmb->Y[y][15]; + for (x = 0 ; x < w ; x++) + destmb->Y[y][x] = val; + } + for (y = 0 ; y < h2 ; y++) + { + uint8_t val1 = srcmb->U[y][7]; + uint8_t val2 = srcmb->V[y][7]; + for (x = 0 ; x < w2 ; x++) + { + destmb->U[y][x] = val1; + destmb->V[y][x] = val2; + } + } + lumapredmode = HOR_PRED8x8; + chromapredmode = HOR_PRED8x8; + } + } + else // no left neighbour + { + if (topavail) + { + // Vertical prediction + + MacroBlock *srcmb = destmb->topblock; // this is from the picture which is being reconstructed + // and which should be used for the prediction + + for (x = 0 ; x < w ; x++) + { + uint8_t val = srcmb->Y[15][x]; + for (y = 0 ; y < h ; y++) + destmb->Y[y][x] = val; + } + for (x = 0 ; x < w2 ; x++) + { + uint8_t val1 = srcmb->U[7][x]; + uint8_t val2 = srcmb->V[7][x]; + for (y = 0 ; y < h2 ; y++) + { + destmb->U[y][x] = val1; + destmb->V[y][x] = val2; + } + } + lumapredmode = VERT_PRED; + chromapredmode = VERT_PRED8x8; + } + else // nothing available, encode a standard DC block + { + for (x = 0 ; x < w ; x++) + { + for (y = 0 ; y < h ; y++) + destmb->Y[y][x] = (1<<7); + } + for (x = 0 ; x < w2 ; x++) + { + for (y = 0 ; y < h2 ; y++) + { + destmb->U[y][x] = (1<<7); + destmb->V[y][x] = (1<<7); + } + } + lumapredmode = DC_PRED; + chromapredmode = DC_PRED8x8; + } + } + + H264_COPY_16X16BLOCK(t->residual.part4x4Y,(int16_t)targetmb->Y,(int16_t)destmb->Y); + H264_COPY_8X8BLOCK(t->residual.part4x4U,(int16_t)targetmb->U,(int16_t)destmb->U); + H264_COPY_8X8BLOCK(t->residual.part4x4V,(int16_t)targetmb->V,(int16_t)destmb->V); + + // Transform residual: DCT + + for (y = 0 ; y < 4 ; y++) + { + for (x = 0 ; x < 4 ; x++) + { + t->dspcontext.h264_transform_dct_quant(t->residual.part4x4Y[y][x],QPy,1); + } + } + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + t->dspcontext.h264_transform_dct_quant(t->residual.part4x4U[y][x],QPc,1); + t->dspcontext.h264_transform_dct_quant(t->residual.part4x4V[y][x],QPc,1); + } + } + + // Hadamard + + // For luma + for (y = 0 ; y < 4 ; y++) + for (x = 0 ; x < 4 ; x++) + YD[y][x] = t->residual.part4x4Y[y][x][0][0]; + +// av_log(NULL, AV_LOG_DEBUG, "Original DC coefficients\n"); +// for (y = 0 ; y < 4 ; y++) +// { +// for (x = 0 ; x < 4 ; x++) +// av_log(NULL, AV_LOG_DEBUG, "%6d",YD[y][x]); +// av_log(NULL, AV_LOG_DEBUG, "\n"); +// } +// av_log(NULL, AV_LOG_DEBUG, "\n"); + + t->dspcontext.h264_hadamard_mult4x4(YD); + t->dspcontext.h264_hadamard_quant_4x4(YD,QPy); + + // For U + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + UD[y][x] = t->residual.part4x4U[y][x][0][0]; + ff_h264_hadamard_mult_2x2(UD); + t->dspcontext.h264_hadamard_quant_2x2(UD,QPc); + + // For V + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + VD[y][x] = t->residual.part4x4V[y][x][0][0]; + ff_h264_hadamard_mult_2x2(VD); + t->dspcontext.h264_hadamard_quant_2x2(VD,QPc); + // Encode macroblock + + ff_h264_encode_intra16x16_residual(b,YD,UD,VD,&(t->residual),lumapredmode,chromapredmode,destmb); + + // Inverse hadamard + + // For luma + t->dspcontext.h264_hadamard_mult4x4(YD); + t->dspcontext.h264_hadamard_invquant_4x4(YD,QPy); + for (y = 0 ; y < 4 ; y++) + for (x = 0 ; x < 4 ; x++) + t->residual.part4x4Y[y][x][0][0] = YD[y][x]; + + // For U + ff_h264_hadamard_mult_2x2(UD); + ff_h264_hadamard_invquant_2x2(UD,QPc); + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + t->residual.part4x4U[y][x][0][0] = UD[y][x]; + // For V + ff_h264_hadamard_mult_2x2(VD); + ff_h264_hadamard_invquant_2x2(VD,QPc); + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + t->residual.part4x4V[y][x][0][0] = VD[y][x]; + + // Inverse DCT and add + + for (y = 0 ; y < 4 ; y++) + { + for (x = 0 ; x < 4 ; x++) + { + t->dspcontext.h264_transform_inverse_quant_dct_add(t->residual.part4x4Y[y][x],QPy,1,&(destmb->Y[y*4][x*4]),t->Y_stride); + } + } + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + t->dspcontext.h264_transform_inverse_quant_dct_add(t->residual.part4x4U[y][x],QPc,1,&(destmb->U[y*4][x*4]),t->U_stride); + t->dspcontext.h264_transform_inverse_quant_dct_add(t->residual.part4x4V[y][x],QPc,1,&(destmb->V[y*4][x*4]),t->V_stride); + } + } + + destmb->available = 1; +} + +static void ff_h264_encode_inter16x16_residual(H264Context *t, PutBitContext *b,int mv_x,int mv_y,int mv_x2,int mv_y2, + Residual *residual, + DCTELEM UD[2][2],DCTELEM VD[2][2],int pred_frame_index,MacroBlock *mb, + int last_macroblock) +{ + static const int8_t me_map[] = { 0, 2, 3, 7, 4, 8,17,13, 5,18, 9,14,10,15,16, + 11, 1,32,33,36,34,37,44,40,35,45,38,41,39,42, + 43,19, 6,24,25,20,26,21,46,28,27,47,22,29,23, + 30,31,12}; + int coded_block_pattern; + int CodedBlockPatternLuma; + int CodedBlockPatternChroma; + int16_t coefficients[256]; + int x,y,i,j; + int done; + int chromaACcount; + int chromaDCcount; + int nA,nB; + + // coded_block_pattern + + CodedBlockPatternLuma = 0; + + // first 8x8 block + done = 0; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[0][0][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[0][1][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[1][0][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[1][1][y][x] != 0) + done = 1; + if (done) + CodedBlockPatternLuma |= (1 << 0); + // second 8x8 block + done = 0; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[0][2][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[0][3][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[1][2][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[1][3][y][x] != 0) + done = 1; + if (done) + CodedBlockPatternLuma |= (1 << 1); + // third 8x8 block + done = 0; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[2][0][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[2][1][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[3][0][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[3][1][y][x] != 0) + done = 1; + if (done) + CodedBlockPatternLuma |= (1 << 2); + // fourth 8x8 block + done = 0; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[2][2][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[2][3][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[3][2][y][x] != 0) + done = 1; + for (y = 0 ; !done && y < 4 ; y++) + for (x = 0 ; !done && x < 4 ; x++) + if (residual->part4x4Y[3][3][y][x] != 0) + done = 1; + if (done) + CodedBlockPatternLuma |= (1 << 3); + + // check for too large values in luma + for (y = 0 ; y < 4 ; y++) + { + for (x = 0 ; x < 4 ; x++) + { + H264_JUST_CLIP(residual->part4x4Y[y][x][0][0]); + H264_JUST_CLIP(residual->part4x4Y[y][x][0][1]); + H264_JUST_CLIP(residual->part4x4Y[y][x][0][2]); + H264_JUST_CLIP(residual->part4x4Y[y][x][0][3]); + H264_JUST_CLIP(residual->part4x4Y[y][x][1][0]); + H264_JUST_CLIP(residual->part4x4Y[y][x][1][1]); + H264_JUST_CLIP(residual->part4x4Y[y][x][1][2]); + H264_JUST_CLIP(residual->part4x4Y[y][x][1][3]); + H264_JUST_CLIP(residual->part4x4Y[y][x][2][0]); + H264_JUST_CLIP(residual->part4x4Y[y][x][2][1]); + H264_JUST_CLIP(residual->part4x4Y[y][x][2][2]); + H264_JUST_CLIP(residual->part4x4Y[y][x][2][3]); + H264_JUST_CLIP(residual->part4x4Y[y][x][3][0]); + H264_JUST_CLIP(residual->part4x4Y[y][x][3][1]); + H264_JUST_CLIP(residual->part4x4Y[y][x][3][2]); + H264_JUST_CLIP(residual->part4x4Y[y][x][3][3]); + } + } + + chromaDCcount = 0; + chromaACcount = 0; + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + H264_COUNT_AND_CLIP_SUBBLOCK(residual->part4x4U[y][x],chromaACcount); + H264_COUNT_AND_CLIP_SUBBLOCK(residual->part4x4V[y][x],chromaACcount); + } + } + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + H264_COUNT_AND_CLIP(UD[y][x],chromaDCcount); + H264_COUNT_AND_CLIP(VD[y][x],chromaDCcount); + } + } + + if (chromaACcount) + CodedBlockPatternChroma= 2; + else + CodedBlockPatternChroma= !!chromaDCcount; + + if (mv_x2 == 0 && mv_y2 == 0 && CodedBlockPatternChroma == 0 && CodedBlockPatternLuma == 0) // entirely predictable + { + t->mb_skip_run++; + if (last_macroblock) + set_se_golomb(b, t->mb_skip_run); + } + else + { + set_ue_golomb(b, t->mb_skip_run); // mb_skip_run + t->mb_skip_run = 0; + + set_ue_golomb(b, 0); // mb_type = P_L0_16x16 + + // mb_pred() + + set_se_golomb(b, mv_x); + set_se_golomb(b, mv_y); + + coded_block_pattern = (CodedBlockPatternChroma << 4)|CodedBlockPatternLuma; + set_ue_golomb(b,me_map[coded_block_pattern]); + } + + // residual() + + if (CodedBlockPatternLuma == 0 && CodedBlockPatternChroma == 0) // nothing left to do + { + int x,y; + + for (y = 0 ; y < 4 ; y++) + for (x = 0 ; x < 4 ; x++) + mb->Y_nonzero[y][x] = 0; + + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + mb->U_nonzero[y][x] = 0; + mb->V_nonzero[y][x] = 0; + } + } + return; + } + + set_se_golomb(b, 0); // mb_qp_delta + + // encode luma levels + for (j = 0 ; j < 4 ; j++) + { + int X = (j&1) << 1; + int Y = j&2; + + if ((CodedBlockPatternLuma >> j)&1) + { + for (i = 0 ; i < 4 ; i++) + { + int x = (i%2)+X; + int y = (i/2)+Y; + + int k; + + for (k = 0 ; k < 16 ; k++) + coefficients[k] = residual->part4x4Y[y][x][zigzagy[k]][zigzagx[k]]; + ff_h264_neighbour_count_nonzero(mb,NEIGHBOUR_SUBTYPE_Y,x,y,&nA,&nB); + mb->Y_nonzero[y][x] = h264cavlc_encode(b,coefficients,16,nA,nB,0); + } + } + else + { + for (i = 0 ; i < 4 ; i++) + { + int x = (i%2)+X; + int y = (i/2)+Y; + mb->Y_nonzero[y][x] = 0; + } + } + } + + // chroma DC levels + if (CodedBlockPatternChroma != 0) + { + coefficients[0] = UD[0][0]; + coefficients[1] = UD[0][1]; + coefficients[2] = UD[1][0]; + coefficients[3] = UD[1][1]; + h264cavlc_encode(b,coefficients,4,-1,-1,1); // nA and nB are not used in this case + + coefficients[0] = VD[0][0]; + coefficients[1] = VD[0][1]; + coefficients[2] = VD[1][0]; + coefficients[3] = VD[1][1]; + h264cavlc_encode(b,coefficients,4,-1,-1,1); // nA and nB are not used in this case + } + + if (CodedBlockPatternChroma == 2) + { + for (i = 0 ; i < 4 ; i++) + { + int x = (i%2); + int y = (i/2); + + int k; + + for (k = 0 ; k < 15 ; k++) + coefficients[k] = residual->part4x4U[y][x][zigzagy[k+1]][zigzagx[k+1]]; + ff_h264_neighbour_count_nonzero(mb,NEIGHBOUR_SUBTYPE_U,x,y,&nA,&nB); + mb->U_nonzero[y][x] = h264cavlc_encode(b,coefficients,15,nA,nB,0); + } + + for (i = 0 ; i < 4 ; i++) + { + int x = (i%2); + int y = (i/2); + + int k; + + for (k = 0 ; k < 15 ; k++) + coefficients[k] = residual->part4x4V[y][x][zigzagy[k+1]][zigzagx[k+1]]; + ff_h264_neighbour_count_nonzero(mb,NEIGHBOUR_SUBTYPE_V,x,y,&nA,&nB); + mb->V_nonzero[y][x] = h264cavlc_encode(b,coefficients,15,nA,nB,0); + } + } + else + { + int x,y; + + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + mb->U_nonzero[y][x] = 0; + mb->V_nonzero[y][x] = 0; + } + } + } +} + +#ifdef H264_ENABLE_QPEL + +#define H264_QPEL_6TAP(a,b,c,d,e,f) ((a)-5*(b)+20*(c)+20*(d)-5*(e)+(f)) +#define H264_QPEL_AVG(a,b) (((a)+(b)+1)>>1) + +static inline void ff_h264_calc_Yqpelpixels(const uint8_t *src, int srcstride, uint8_t *dst, int dststride1,int dststride2) +{ + int b1,h1,s1,m1; + int aa,bb,gg,hh; + int j1,j,b,h; + const uint8_t *pos = src - 2 - 2*srcstride; + const uint8_t *pos2 = pos + 2; + int s,m; + int a,c,d,n,f,i,k,q; + int e,g,p,r; + + aa = H264_QPEL_6TAP((int)pos[0],(int)pos[1],(int)pos[2],(int)pos[3],(int)pos[4],(int)pos[5]); + pos += srcstride; + bb = H264_QPEL_6TAP((int)pos[0],(int)pos[1],(int)pos[2],(int)pos[3],(int)pos[4],(int)pos[5]); + pos += srcstride; + b1 = H264_QPEL_6TAP((int)pos[0],(int)pos[1],(int)pos[2],(int)pos[3],(int)pos[4],(int)pos[5]); + pos += srcstride; + s1 = H264_QPEL_6TAP((int)pos[0],(int)pos[1],(int)pos[2],(int)pos[3],(int)pos[4],(int)pos[5]); + pos += srcstride; + gg = H264_QPEL_6TAP((int)pos[0],(int)pos[1],(int)pos[2],(int)pos[3],(int)pos[4],(int)pos[5]); + pos += srcstride; + hh = H264_QPEL_6TAP((int)pos[0],(int)pos[1],(int)pos[2],(int)pos[3],(int)pos[4],(int)pos[5]); + h1 = H264_QPEL_6TAP((int)pos2[0],(int)pos2[srcstride],(int)pos2[srcstride*2],(int)pos2[srcstride*3], + (int)pos2[srcstride*4],(int)pos2[srcstride*5]); + pos2++; + m1 = H264_QPEL_6TAP((int)pos2[0],(int)pos2[srcstride],(int)pos2[srcstride*2],(int)pos2[srcstride*3], + (int)pos2[srcstride*4],(int)pos2[srcstride*5]); + + j1 = H264_QPEL_6TAP(aa,bb,b1,s1,gg,hh); + b = clip_uint8((b1+16)>>5); + h = clip_uint8((h1+16)>>5); + j = clip_uint8((j1+512)>>10); + s = clip_uint8((s1+16)>>5); + m = clip_uint8((m1+16)>>5); + + a = H264_QPEL_AVG((int)src[0],b); + c = H264_QPEL_AVG((int)src[1],b); + d = H264_QPEL_AVG((int)src[0],h); + n = H264_QPEL_AVG((int)src[srcstride],h); + f = H264_QPEL_AVG(b,j); + i = H264_QPEL_AVG(h,j); + k = H264_QPEL_AVG(j,m); + q = H264_QPEL_AVG(j,s); + + e = H264_QPEL_AVG(b,h); + g = H264_QPEL_AVG(b,m); + p = H264_QPEL_AVG(h,s); + r = H264_QPEL_AVG(m,s); + + dst[0] = src[0]; + dst[dststride1] = a; + dst[dststride1*2] = b; + dst[dststride1*3] = c; + dst += dststride2; + dst[0] = d; + dst[dststride1] = e; + dst[dststride1*2] = f; + dst[dststride1*3] = g; + dst += dststride2; + dst[0] = h; + dst[dststride1] = i; + dst[dststride1*2] = j; + dst[dststride1*3] = k; + dst += dststride2; + dst[0] = n; + dst[dststride1] = p; + dst[dststride1*2] = q; + dst[dststride1*3] = r; +} + +#define H264_QPEL_UV(xfrac,yfrac) ((uint8_t)(((8-(xfrac))*(8-(yfrac))*A + (xfrac)*(8-(yfrac))*B + (8-(xfrac))*(yfrac)*C + (xfrac)*(yfrac)*D + 32 ) >> 6)) + +static inline void ff_h264_calc_UVqpelpixels(const uint8_t *src, int srcstride, int xpart, + int ypart, uint8_t *dst, int dststride1, int dststride2) +{ + int xoffset = xpart*4; + int yoffset = ypart*4; + int A = (int)src[0]; + int B = (int)src[1]; + int C = (int)src[srcstride]; + int D = (int)src[srcstride+1]; + + dst[0] = H264_QPEL_UV(0+xoffset,0+yoffset); + dst[dststride1] = H264_QPEL_UV(1+xoffset,0+yoffset); + dst[dststride1*2] = H264_QPEL_UV(2+xoffset,0+yoffset); + dst[dststride1*3] = H264_QPEL_UV(3+xoffset,0+yoffset); + dst += dststride2; + dst[0] = H264_QPEL_UV(0+xoffset,1+yoffset); + dst[dststride1] = H264_QPEL_UV(1+xoffset,1+yoffset); + dst[dststride1*2] = H264_QPEL_UV(2+xoffset,1+yoffset); + dst[dststride1*3] = H264_QPEL_UV(3+xoffset,1+yoffset); + dst += dststride2; + dst[0] = H264_QPEL_UV(0+xoffset,2+yoffset); + dst[dststride1] = H264_QPEL_UV(1+xoffset,2+yoffset); + dst[dststride1*2] = H264_QPEL_UV(2+xoffset,2+yoffset); + dst[dststride1*3] = H264_QPEL_UV(3+xoffset,2+yoffset); + dst += dststride2; + dst[0] = H264_QPEL_UV(0+xoffset,3+yoffset); + dst[dststride1] = H264_QPEL_UV(1+xoffset,3+yoffset); + dst[dststride1*2] = H264_QPEL_UV(2+xoffset,3+yoffset); + dst[dststride1*3] = H264_QPEL_UV(3+xoffset,3+yoffset); +} + +static inline void ff_h264_build_Yqpel(const void *src, int srcstride, uint8_t Yqpel[8][8][16][16]) +{ + int i,j; + + for (i = 0 ; i < 16 ; i++) + { + for (j = 0 ; j < 16 ; j++) + { + ff_h264_calc_Yqpelpixels(src+j+i*srcstride,srcstride,&(Yqpel[0][0][i][j]),16*16,16*16*8); + ff_h264_calc_Yqpelpixels(src+j+1+i*srcstride,srcstride,&(Yqpel[0][4][i][j]),16*16,16*16*8); + ff_h264_calc_Yqpelpixels(src+j+(i+1)*srcstride,srcstride,&(Yqpel[4][0][i][j]),16*16,16*16*8); + ff_h264_calc_Yqpelpixels(src+j+1+(i+1)*srcstride,srcstride,&(Yqpel[4][4][i][j]),16*16,16*16*8); + } + } +} + +static inline void ff_h264_build_UVqpel(const uint8_t *src, int srcstride, int xdouble, int ydouble, uint8_t UVqpel[8][8][8][8]) +{ + int i,j; + + for (i = 0 ; i < 8 ; i++) + { + for (j = 0 ; j < 8 ; j++) + { + int x2pos = (xdouble-1)+j*2; + int y2pos = (ydouble-1)+i*2; + + ff_h264_calc_UVqpelpixels(src+(x2pos)/2+(y2pos/2)*srcstride,srcstride,x2pos%2,y2pos%2,&(UVqpel[0][0][i][j]),8*8,8*8*8); + + x2pos = xdouble+j*2; + y2pos = (ydouble-1)+i*2; + + ff_h264_calc_UVqpelpixels(src+(x2pos)/2+(y2pos/2)*srcstride,srcstride,x2pos%2,y2pos%2,&(UVqpel[0][4][i][j]),8*8,8*8*8); + + x2pos = (xdouble-1)+j*2; + y2pos = ydouble+i*2; + + ff_h264_calc_UVqpelpixels(src+(x2pos)/2+(y2pos/2)*srcstride,srcstride,x2pos%2,y2pos%2,&(UVqpel[4][0][i][j]),8*8,8*8*8); + + x2pos = xdouble+j*2; + y2pos = ydouble+i*2; + + ff_h264_calc_UVqpelpixels(src+(x2pos)/2+(y2pos/2)*srcstride,srcstride,x2pos%2,y2pos%2,&(UVqpel[4][4][i][j]),8*8,8*8*8); + } + } +} + +#endif // H264_ENABLE_QPEL + +static void ff_h264_predict(H264Context *t, MacroBlock *destmb, FrameInfo *refframe, int mbx, int mby, int mvx, int mvy) +{ + int x = mbx << 4; + int y = mby << 4; + AVPicture *refpic = &(refframe->reconstructed_picture); + uint8_t *data; + int linesize; + int i,j; + int startx,starty; + int w,h,w2,h2; + int xmod,ymod; + + w = destmb->Y_width; + h = destmb->Y_height; + w2 = w>>1; + h2 = h>>1; + + startx = x+(mvx/4); + starty = y+(mvy/4); + + linesize = refpic->linesize[0]; + data = refpic->data[0]+starty*linesize+startx; + + for (i = 0 ; i < h ; i++) + { + for (j = 0 ; j < w ; j++) + destmb->Y[i][j] = data[j]; + data += linesize; + } + + linesize = refpic->linesize[1]; + data = refpic->data[1]+(starty/2)*linesize+startx/2; + + xmod = startx%2; + ymod = starty%2; + + if (xmod == 0 && ymod == 0) + { + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->U[i][j] = data[j]; + data += linesize; + } + + linesize = refpic->linesize[2]; + data = refpic->data[2]+(starty/2)*linesize+startx/2; + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->V[i][j] = data[j]; + data += linesize; + } + } + else if (xmod == 0 && ymod != 0) + { + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->U[i][j] = (uint8_t)(((int)data[j]+(int)data[j+linesize]+1)/2); + data += linesize; + } + + linesize = refpic->linesize[2]; + data = refpic->data[2]+(starty/2)*linesize+startx/2; + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->V[i][j] = (uint8_t)(((int)data[j]+(int)data[j+linesize]+1)/2); + data += linesize; + } + } + else if (xmod != 0 && ymod == 0) + { + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->U[i][j] = (uint8_t)(((int)data[j]+(int)data[j+1]+1)/2); + data += linesize; + } + + linesize = refpic->linesize[2]; + data = refpic->data[2]+(starty/2)*linesize+startx/2; + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->V[i][j] = (uint8_t)(((int)data[j]+(int)data[j+1]+1)/2); + data += linesize; + } + } + else // xmod != 0 && ymod != 0 + { + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->U[i][j] = (uint8_t)(((int)data[j]+(int)data[j+1]+(int)data[j+linesize+1]+(int)data[j+linesize]+2)/4); + data += linesize; + } + + linesize = refpic->linesize[2]; + data = refpic->data[2]+(starty/2)*linesize+startx/2; + for (i = 0 ; i < h2 ; i++) + { + for (j = 0 ; j < w2 ; j++) + destmb->V[i][j] = (uint8_t)(((int)data[j]+(int)data[j+1]+(int)data[j+linesize+1]+(int)data[j+linesize]+2)/4); + data += linesize; + } + } +} + +#define MAXSEARCHSTEPS 8 +#define SEARCHWIDTH 1 + +static void ff_h264_find_motion_vector_and_prediction(H264Context *t, MacroBlock *targetmb, FrameInfo *refframe, + int mbx, int mby, int *mvx, int *mvy, + int pred_mvx, int pred_mvy, MacroBlock *destmb) +{ + int x = mbx << 4; + int y = mby << 4; + int bestx, besty; + int curx, cury; + int minbitsize = 0x7FFFFFFF; + int QP = t->QP; + int done = 0; + int numsteps = 0; + int bestqpelx = 0; + int bestqpely = 0; + + bestx = x; + besty = y; + curx = x; + cury = y; + + { + int scanx = x; + int scany = y; + int xvec = -pred_mvx; // it's actually this difference which will be encoded! + int yvec = -pred_mvy; + int sae = t->dspcontext.pix_abs[0][0](0,targetmb->Y[0], + refframe->reconstructed_picture.data[0] + scany * refframe->reconstructed_picture.linesize[0] + scanx, + refframe->reconstructed_picture.linesize[0], 16); + sae += t->dspcontext.pix_abs[1][0](0,targetmb->U[0], + refframe->reconstructed_picture.data[1] + (scany/2) * refframe->reconstructed_picture.linesize[1] + scanx/2, + refframe->reconstructed_picture.linesize[1], 8); + sae += t->dspcontext.pix_abs[1][0](0,targetmb->V[0], + refframe->reconstructed_picture.data[2] + (scany/2) * refframe->reconstructed_picture.linesize[2] + scanx/2, + refframe->reconstructed_picture.linesize[2], 8); + + minbitsize = (mv_len_table[xvec+MVTABLE_OFFSET] + mv_len_table[yvec+MVTABLE_OFFSET] + sae_codeblocksize_relation[QP][sae_mapping[sae>>4]]); + } + + while (!done && numsteps < MAXSEARCHSTEPS) + { + int startx = curx - SEARCHWIDTH; + int starty = cury - SEARCHWIDTH; + int stopx = curx + SEARCHWIDTH + 1; + int stopy = cury + SEARCHWIDTH + 1; + int foundbetter = 0; + int scanx, scany; + + if (startx < 0) + startx = 0; + if (starty < 0) + starty = 0; + if (stopx > t->refframe_width - 16 + 1) + stopx = t->refframe_width - 16 + 1; + if (stopy > t->refframe_height - 16 + 1) + stopy = t->refframe_height -16 + 1; + + for(scany = starty; scany < stopy; scany++) + { + for(scanx = startx; scanx < stopx; scanx++) + { + if (!(curx == scanx && cury == scany)) + { + int xvec = (scanx-x)*4-pred_mvx; // it's actually this difference which will be encoded! + int yvec = (scany-y)*4-pred_mvy; + int bitsize; + int xmod = scanx%2; + int ymod = scany%2; + int absnum = xmod+ymod*2; + int sae = t->dspcontext.pix_abs[0][0](0,targetmb->Y[0], + refframe->reconstructed_picture.data[0] + scany * refframe->reconstructed_picture.linesize[0] + scanx, + refframe->reconstructed_picture.linesize[0], 16); + + sae += t->dspcontext.pix_abs[1][absnum](0,targetmb->U[0], + refframe->reconstructed_picture.data[1] + (scany/2) * refframe->reconstructed_picture.linesize[1] + scanx/2, + refframe->reconstructed_picture.linesize[1], 8); + sae += t->dspcontext.pix_abs[1][absnum](0,targetmb->V[0], + refframe->reconstructed_picture.data[2] + (scany/2) * refframe->reconstructed_picture.linesize[2] + scanx/2, + refframe->reconstructed_picture.linesize[2], 8); + + bitsize = (mv_len_table[xvec+MVTABLE_OFFSET] + mv_len_table[yvec+MVTABLE_OFFSET] + sae_codeblocksize_relation[QP][sae_mapping[sae>>4]]); + + if (bitsize < minbitsize) + { + minbitsize = bitsize; + bestx = scanx; + besty = scany; + foundbetter = 1; + } + } + } + } + + if (foundbetter) + { + curx = bestx; + cury = besty; + numsteps++; + } + else + done = 1; + } +#ifdef H264_ENABLE_QPEL + if (bestx >= 3 && bestx < t->refframe_width - 16 - 3 && besty >= 3 && besty < t->refframe_height - 16 - 3) // do a qpel search + { + uint8_t Yqpel[8][8][16][16]; + uint8_t Uqpel[8][8][8][8]; + uint8_t Vqpel[8][8][8][8]; + uint8_t Ytarget[16][16]; + uint8_t Utarget[8][8]; + uint8_t Vtarget[8][8]; + int done = 0; + int numsteps = 0; + int curqx = 4; + int curqy = 4; + int bestqx = 4; + int bestqy = 4; + int scanx, scany; + int foundbetter; + int i,j; + + // first build Yqpel,Uqpel and Vqpel + ff_h264_build_Yqpel(refframe->reconstructed_picture.data[0] + (besty-1)*refframe->reconstructed_picture.linesize[0] + (bestx-1), refframe->reconstructed_picture.linesize[0], + Yqpel); + ff_h264_build_UVqpel(refframe->reconstructed_picture.data[1],refframe->reconstructed_picture.linesize[1],bestx,besty,Uqpel); + ff_h264_build_UVqpel(refframe->reconstructed_picture.data[2],refframe->reconstructed_picture.linesize[2],bestx,besty,Vqpel); + + // copy the target mb + + for (i = 0 ; i < 16 ; i++) + for (j = 0 ; j < 16 ; j++) + Ytarget[i][j] = targetmb->Y[i][j]; + + for (i = 0 ; i < 8 ; i++) + { + for (j = 0 ; j < 8 ; j++) + { + Utarget[i][j] = targetmb->U[i][j]; + Vtarget[i][j] = targetmb->V[i][j]; + } + } + + while (!done && numsteps < 3) + { + foundbetter = 0; + + for(scany = curqy-1; scany <= curqy+1; scany++) + { + for(scanx = curqx-1; scanx <= curqx+1; scanx++) + { + if (!(scanx == curqx && scany == curqy)) + { + int bitsize; + int xvec = (bestx-x)*4+(scanx-4)-pred_mvx; // it's actually this difference which will be encoded! + int yvec = (besty-y)*4+(scany-4)-pred_mvy; + int sae = t->dspcontext.pix_abs[0][0](0,&(Ytarget[0][0]), + &(Yqpel[scany][scanx][0][0]),16,16); + sae += t->dspcontext.pix_abs[1][0](0,&(Utarget[0][0]), + &(Uqpel[scany][scanx][0][0]),8,8); + sae += t->dspcontext.pix_abs[1][0](0,&(Vtarget[0][0]), + &(Vqpel[scany][scanx][0][0]),8,8); + + bitsize = (mv_len_table[xvec+MVTABLE_OFFSET] + mv_len_table[yvec+MVTABLE_OFFSET] + sae_codeblocksize_relation[QP][sae_mapping[sae>>4]]); + + if (bitsize < minbitsize) + { + minbitsize = bitsize; + bestqx = scanx; + bestqy = scany; + foundbetter = 1; + } + } + } + } + if (foundbetter) + { + numsteps++; + curqx = bestqx; + curqy = bestqy; + } + else + done = 1; + + } + + bestqpelx = bestqx-4; + bestqpely = bestqy-4; + + // copy the best prediction in the destination macroblock + + for (i = 0 ; i < 16 ; i++) + for (j = 0 ; j < 16 ; j++) + destmb->Y[i][j] = Yqpel[bestqy][bestqx][i][j]; + for (i = 0 ; i < 8 ; i++) + { + for (j = 0 ; j < 8 ; j++) + { + destmb->U[i][j] = Uqpel[bestqy][bestqx][i][j]; + destmb->V[i][j] = Vqpel[bestqy][bestqx][i][j]; + } + } + } + else +#endif // H264_ENABLE_QPEL + { + int mvx = (bestx - x) * 4; + int mvy = (besty - y) * 4; + + ff_h264_predict(t, destmb, refframe, mbx, mby, mvx, mvy); + } + + *mvx = (bestx - x) * 4 + bestqpelx; + *mvy = (besty - y) * 4 + bestqpely; +} + +// Adjust the values of mvx and mvy based on the prediction from the neighbouring macroblocks +static void ff_h264_estimate_motion_vectors(MacroBlock *destmb, int *mvpred_x, int *mvpred_y, int *mvpred_x2, int *mvpred_y2) +{ + int mvAx = 0, mvAy = 0; + int mvBx = 0, mvBy = 0; + int mvCx = 0, mvCy = 0; + int mvDx = 0, mvDy = 0; + int Aavail = 0; + int Bavail = 0; + int Cavail = 0; + int Davail = 0; + + if (destmb->leftblock != NULL && destmb->leftblock->available) + { + Aavail = 1; + mvAx = destmb->leftblock->mv_x; + mvAy = destmb->leftblock->mv_y; + } + if (destmb->topblock != NULL) + { + MacroBlock *topblock = destmb->topblock; + + if (topblock->available) + { + Bavail = 1; + mvBx = topblock->mv_x; + mvBy = topblock->mv_y; + } + if (topblock->leftblock != NULL && topblock->leftblock->available) + { + Davail = 1; + mvDx = topblock->leftblock->mv_x; + mvDy = topblock->leftblock->mv_y; + } + if (topblock->rightblock != NULL && topblock->rightblock->available) + { + Cavail = 1; + mvCx = topblock->rightblock->mv_x; + mvCy = topblock->rightblock->mv_y; + } + } + + if (!Cavail) + { + Cavail = Davail; + mvCx = mvDx; + mvCy = mvDy; + } + + if (!Bavail && !Cavail && Aavail) + { + mvBx = mvAx; + mvBy = mvAy; + mvCx = mvAx; + mvCy = mvAy; + } + + *mvpred_x = mid_pred(mvAx,mvBx,mvCx); + *mvpred_y = mid_pred(mvAy,mvBy,mvCy); + + if (!Aavail || !Bavail || (Aavail && mvAx == 0 && mvAy == 0) || (Bavail && mvBx == 0 && mvBy == 0)) + { + *mvpred_x2 = 0; + *mvpred_y2 = 0; + } + else + { + *mvpred_x2 = *mvpred_x; + *mvpred_y2 = *mvpred_y; + } +} + +#ifndef DISABLE_DEBLOCKING + +/* + * + * Book p. 184, spec p. 182 + */ +static inline void ff_h264_deblocking_filter_line_luma(int p[4], int q[4], int QP, int bS) +{ + int delta0, delta0i, deltap1i, deltaq1i, deltap1, deltaq1; + int pa0, pa1, pa2, qa0, qa1, qa2; + int alpha, beta; + + if (bS == 0) + return; + + alpha = alpha_table[QP]; + beta = beta_table[QP]; + + if (!( + (ABS(p[0] - q[0]) < alpha) /* (1) */ + && + (ABS(p[1] - p[0]) < beta) /* (2) */ + && + (ABS(q[1] - q[0]) < beta) /* (3) */ + )) + return; + + pa0 = p[0]; + pa1 = p[1]; + pa2 = p[2]; + qa0 = q[0]; + qa1 = q[1]; + qa2 = q[2]; + + if (bS == 4) + { + int aP = ABS(p[2] - p[0]); + int aQ = ABS(q[2] - q[0]); + + if (aP < beta && ABS(p[0] - q[0]) < ((alpha>>2) + 2)) + { + // Luminance filtering + pa0 = (p[2] + 2*p[1] + 2*p[0] + 2*q[0] + q[1] + 4) >> 3; /* (20) */ + pa1 = (p[2] + p[1] + p[0] + q[0] + 2) >> 2; /* (21) */ + pa2 = (2*p[3] + 3*p[2] + p[1] + p[0] + q[0] + 4) >> 3; /* (22) */ + } + else + pa0 = (2*p[1] + p[0] + q[1] + 2) >> 2; /* (23) */ + + if (aQ < beta && ABS(p[0] - q[0]) < ((alpha>>2) + 2)) + { + // Luminance filtering + qa0 = (p[1] + 2*p[0] + 2*q[0] + 2*q[1] + q[2] + 4) >> 3; /* (20) */ + qa1 = (p[0] + q[0] + q[1] + q[2] + 2) >> 2; /* (21) */ + qa2 = (2*q[3] + 3*q[2] + q[1] + q[0] + p[0] + 4) >> 3; /* (22) */ + } + else + qa0 = (2*q[1] + q[0] + p[1] + 2) >> 2; /* (23) */ + } + else + { + int aP = ABS(p[2] - p[0]); + int aQ = ABS(q[2] - q[0]); + int c0, c1; + + c0 = c1 = tc0_table[QP][bS-1]; + + // All conditions are met to filter this line of samples + + delta0i = (((q[0] - p[0])<<2) + (p[1] - q[1]) + 4) >> 3; + + if (aP < beta) /* condition (8) */ + { + /* c0 should be incremented for each condition being true, 8-473 */ + c0++; + + deltap1i = (p[2] + ((p[0] + q[0] + 1) >> 1) - (p[1]<<1)) >> 1; + deltap1 = clip(deltap1i, -c1, c1); + pa1 = p[1] + deltap1; + } + + if (aQ < beta) /* condition (9) */ + { + /* c0 should be incremented for each condition being true, 8-473 */ + c0++; + + deltaq1i = (q[2] + ((p[0] + q[0] + 1) >> 1) - (q[1]<<1)) >> 1; + deltaq1 = clip(deltaq1i, -c1, c1); + qa1 = q[1] + deltaq1; + } + + delta0 = clip(delta0i, -c0, c0); + pa0 = clip_uint8(p[0] + delta0); + qa0 = clip_uint8(q[0] - delta0); + } + p[0] = pa0; + p[1] = pa1; + p[2] = pa2; + q[0] = qa0; + q[1] = qa1; + q[2] = qa2; +} + +static inline void ff_h264_deblocking_filter_line_chroma(int p[4], int q[4], int QP, int bS) +{ + int delta0i, delta0; + int pa0, pa1, pa2, qa0, qa1, qa2; + int alpha, beta; + + if (bS == 0) + return; + + alpha = alpha_table[QP]; + beta = beta_table[QP]; + + if (!( + (ABS(p[0] - q[0]) < alpha) /* (1) */ + && + (ABS(p[1] - p[0]) < beta) /* (2) */ + && + (ABS(q[1] - q[0]) < beta) /* (3) */ + )) + return; + + pa0 = p[0]; + pa1 = p[1]; + pa2 = p[2]; + qa0 = q[0]; + qa1 = q[1]; + qa2 = q[2]; + + if (bS == 4) + { + pa0 = ((p[1]<<1) + p[0] + q[1] + 2) >> 2; /* (23) */ + qa0 = ((q[1]<<1) + q[0] + p[1] + 2) >> 2; /* (23) */ + } + else + { + int c0, c1; + + c0 = c1 = tc0_table[QP][bS-1]; + + // All conditions are met to filter this line of samples + + delta0i = (((q[0] - p[0])<<2) + (p[1] - q[1]) + 4) >> 3; + + c0++; /* p. 191, (8-474) */ + + delta0 = clip(delta0i, -c0, c0); + pa0 = clip_uint8(p[0] + delta0); + qa0 = clip_uint8(q[0] - delta0); + } + p[0] = pa0; + p[1] = pa1; + p[2] = pa2; + q[0] = qa0; + q[1] = qa1; + q[2] = qa2; +} + +static void ff_h264_deblock_macroblock(MacroBlock *mb, int filter_left_edge, int filter_top_edge, int isIDR, int QPYav, int QPCav) +{ + int p[4],q[4]; + int x,y; + int bS[4][16]; + + // First step is filtering of vertical edges + + // first filter left edge + if (filter_left_edge) + { + MacroBlock *leftmb = mb->leftblock; + + // first Y + for (y = 0 ; y < 16 ; y++) + { + if (isIDR) + bS[0][y] = 4; + else + { + if (leftmb->Y_nonzero[y>>2][3] != 0 || mb->Y_nonzero[y>>2][0] != 0) + bS[0][y] = 2; + else + { + if (ABS(leftmb->mv_x - mb->mv_x) >= 4 || ABS(leftmb->mv_y - mb->mv_y) >= 4) + bS[0][y] = 1; + else + bS[0][y] = 0; + } + } + + p[0] = leftmb->Y[y][15]; + p[1] = leftmb->Y[y][14]; + p[2] = leftmb->Y[y][13]; + p[3] = leftmb->Y[y][12]; + q[0] = mb->Y[y][0]; + q[1] = mb->Y[y][1]; + q[2] = mb->Y[y][2]; + q[3] = mb->Y[y][3]; + + ff_h264_deblocking_filter_line_luma(p,q,QPYav,bS[0][y]); + + leftmb->Y[y][15] = p[0]; + leftmb->Y[y][14] = p[1]; + leftmb->Y[y][13] = p[2]; + mb->Y[y][0] = q[0]; + mb->Y[y][1] = q[1]; + mb->Y[y][2] = q[2]; + } + + // then U and V + + for (y = 0 ; y < 8 ; y++) + { + p[0] = leftmb->U[y][7]; + p[1] = leftmb->U[y][6]; + p[2] = leftmb->U[y][5]; + p[3] = leftmb->U[y][4]; + q[0] = mb->U[y][0]; + q[1] = mb->U[y][1]; + q[2] = mb->U[y][2]; + q[3] = mb->U[y][3]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[0][y<<1]); + + leftmb->U[y][7] = p[0]; + leftmb->U[y][6] = p[1]; + leftmb->U[y][5] = p[2]; + mb->U[y][0] = q[0]; + mb->U[y][1] = q[1]; + mb->U[y][2] = q[2]; + + p[0] = leftmb->V[y][7]; + p[1] = leftmb->V[y][6]; + p[2] = leftmb->V[y][5]; + p[3] = leftmb->V[y][4]; + q[0] = mb->V[y][0]; + q[1] = mb->V[y][1]; + q[2] = mb->V[y][2]; + q[3] = mb->V[y][3]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[0][y<<1]); + + leftmb->V[y][7] = p[0]; + leftmb->V[y][6] = p[1]; + leftmb->V[y][5] = p[2]; + mb->V[y][0] = q[0]; + mb->V[y][1] = q[1]; + mb->V[y][2] = q[2]; + } + } + + // then the internal vertical edges + + for (x = 4 ; x < 16 ; x += 4) + { + int xidx = x >> 2; + + // first Y + for (y = 0 ; y < 16 ; y++) + { + if (isIDR) + bS[xidx][y] = 3; + else + { + if (mb->Y_nonzero[y>>2][(x>>2)-1] != 0 || mb->Y_nonzero[y>>2][x>>2] != 0) + bS[xidx][y] = 2; + else + { + // one motion vector per 16x16 block, so there will be no difference + // between the motion vectors + bS[xidx][y] = 0; + } + } + + p[0] = mb->Y[y][x-1]; + p[1] = mb->Y[y][x-2]; + p[2] = mb->Y[y][x-3]; + p[3] = mb->Y[y][x-4]; + q[0] = mb->Y[y][x+0]; + q[1] = mb->Y[y][x+1]; + q[2] = mb->Y[y][x+2]; + q[3] = mb->Y[y][x+3]; + + ff_h264_deblocking_filter_line_luma(p,q,QPYav,bS[xidx][y]); + + mb->Y[y][x-1] = p[0]; + mb->Y[y][x-2] = p[1]; + mb->Y[y][x-3] = p[2]; + mb->Y[y][x+0] = q[0]; + mb->Y[y][x+1] = q[1]; + mb->Y[y][x+2] = q[2]; + } + } + + // then U and V + + for (y = 0 ; y < 8 ; y++) + { + p[0] = mb->U[y][3]; + p[1] = mb->U[y][2]; + p[2] = mb->U[y][1]; + p[3] = mb->U[y][0]; + q[0] = mb->U[y][4]; + q[1] = mb->U[y][5]; + q[2] = mb->U[y][6]; + q[3] = mb->U[y][7]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[2][y<<1]); + + mb->U[y][3] = p[0]; + mb->U[y][2] = p[1]; + mb->U[y][1] = p[2]; + mb->U[y][4] = q[0]; + mb->U[y][5] = q[1]; + mb->U[y][6] = q[2]; + + p[0] = mb->V[y][3]; + p[1] = mb->V[y][2]; + p[2] = mb->V[y][1]; + p[3] = mb->V[y][0]; + q[0] = mb->V[y][4]; + q[1] = mb->V[y][5]; + q[2] = mb->V[y][6]; + q[3] = mb->V[y][7]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[2][y<<1]); + + mb->V[y][3] = p[0]; + mb->V[y][2] = p[1]; + mb->V[y][1] = p[2]; + mb->V[y][4] = q[0]; + mb->V[y][5] = q[1]; + mb->V[y][6] = q[2]; + } + + // Next step is filtering of horizontal edges + + // first, filter top edge + + if (filter_top_edge) + { + MacroBlock *topmb = mb->topblock; + + // first Y + for (x = 0 ; x < 16 ; x++) + { + if (isIDR) + bS[0][x] = 4; + else + { + if (topmb->Y_nonzero[3][x>>2] != 0 || mb->Y_nonzero[0][x>>2] != 0) + bS[0][x] = 2; + else + { + if (ABS(topmb->mv_x - mb->mv_x) >= 4 || ABS(topmb->mv_y - mb->mv_y) >= 4) + bS[0][x] = 1; + else + bS[0][x] = 0; + } + } + + p[0] = topmb->Y[15][x]; + p[1] = topmb->Y[14][x]; + p[2] = topmb->Y[13][x]; + p[3] = topmb->Y[12][x]; + q[0] = mb->Y[0][x]; + q[1] = mb->Y[1][x]; + q[2] = mb->Y[2][x]; + q[3] = mb->Y[3][x]; + + ff_h264_deblocking_filter_line_luma(p,q,QPYav,bS[0][x]); + + topmb->Y[15][x] = p[0]; + topmb->Y[14][x] = p[1]; + topmb->Y[13][x] = p[2]; + mb->Y[0][x] = q[0]; + mb->Y[1][x] = q[1]; + mb->Y[2][x] = q[2]; + } + + // then U and V + + for (x = 0 ; x < 8 ; x++) + { + p[0] = topmb->U[7][x]; + p[1] = topmb->U[6][x]; + p[2] = topmb->U[5][x]; + p[3] = topmb->U[4][x]; + q[0] = mb->U[0][x]; + q[1] = mb->U[1][x]; + q[2] = mb->U[2][x]; + q[3] = mb->U[3][x]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[0][x<<1]); + + topmb->U[7][x] = p[0]; + topmb->U[6][x] = p[1]; + topmb->U[5][x] = p[2]; + mb->U[0][x] = q[0]; + mb->U[1][x] = q[1]; + mb->U[2][x] = q[2]; + + p[0] = topmb->V[7][x]; + p[1] = topmb->V[6][x]; + p[2] = topmb->V[5][x]; + p[3] = topmb->V[4][x]; + q[0] = mb->V[0][x]; + q[1] = mb->V[1][x]; + q[2] = mb->V[2][x]; + q[3] = mb->V[3][x]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[0][x<<1]); + + topmb->V[7][x] = p[0]; + topmb->V[6][x] = p[1]; + topmb->V[5][x] = p[2]; + mb->V[0][x] = q[0]; + mb->V[1][x] = q[1]; + mb->V[2][x] = q[2]; + } + } + + // then the internal horizontal edges + + for (y = 4 ; y < 16 ; y += 4) + { + int yidx = y >> 2; + + // first Y + for (x = 0 ; x < 16 ; x++) + { + if (isIDR) + bS[yidx][x] = 3; + else + { + if (mb->Y_nonzero[(y>>2)-1][(x>>2)] != 0 || mb->Y_nonzero[y>>2][x>>2] != 0) + bS[yidx][x] = 2; + else + { + // one motion vector per 16x16 block, so there will be no difference + // between the motion vectors + bS[yidx][x] = 0; + } + } + + p[0] = mb->Y[y-1][x]; + p[1] = mb->Y[y-2][x]; + p[2] = mb->Y[y-3][x]; + p[3] = mb->Y[y-4][x]; + q[0] = mb->Y[y+0][x]; + q[1] = mb->Y[y+1][x]; + q[2] = mb->Y[y+2][x]; + q[3] = mb->Y[y+3][x]; + + ff_h264_deblocking_filter_line_luma(p,q,QPYav,bS[yidx][x]); + + mb->Y[y-1][x] = p[0]; + mb->Y[y-2][x] = p[1]; + mb->Y[y-3][x] = p[2]; + mb->Y[y+0][x] = q[0]; + mb->Y[y+1][x] = q[1]; + mb->Y[y+2][x] = q[2]; + } + } + + // then U and V + + for (x = 0 ; x < 8 ; x++) + { + p[0] = mb->U[3][x]; + p[1] = mb->U[2][x]; + p[2] = mb->U[1][x]; + p[3] = mb->U[0][x]; + q[0] = mb->U[4][x]; + q[1] = mb->U[5][x]; + q[2] = mb->U[6][x]; + q[3] = mb->U[7][x]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[2][x<<1]); + + mb->U[3][x] = p[0]; + mb->U[2][x] = p[1]; + mb->U[1][x] = p[2]; + mb->U[4][x] = q[0]; + mb->U[5][x] = q[1]; + mb->U[6][x] = q[2]; + + p[0] = mb->V[3][x]; + p[1] = mb->V[2][x]; + p[2] = mb->V[1][x]; + p[3] = mb->V[0][x]; + q[0] = mb->V[4][x]; + q[1] = mb->V[5][x]; + q[2] = mb->V[6][x]; + q[3] = mb->V[7][x]; + + ff_h264_deblocking_filter_line_chroma(p,q,QPCav,bS[2][x<<1]); + + mb->V[3][x] = p[0]; + mb->V[2][x] = p[1]; + mb->V[1][x] = p[2]; + mb->V[4][x] = q[0]; + mb->V[5][x] = q[1]; + mb->V[6][x] = q[2]; + } +} + +static void ff_h264_deblock(H264Context *t, FrameInfo *frame, int isIDR, int QPYav, int QPCav) +{ + int y,x; + int w,h; + + w = t->mb_width; + h = t->mb_height; + + // for the top row, only vertical filtering is done at the edges, for the top-left block, no filtering is + // done at the edge + + ff_h264_deblock_macroblock(&(frame->reconstructed_mb_map[0][0]),0,0,isIDR,QPYav,QPCav); + for (x = 1 ; x < w ; x++) + ff_h264_deblock_macroblock(&(frame->reconstructed_mb_map[0][x]),1,0,isIDR,QPYav,QPCav); + for (y = 1 ; y < h ; y++) + { + ff_h264_deblock_macroblock(&(frame->reconstructed_mb_map[y][0]),0,1,isIDR,QPYav,QPCav); + for (x = 1 ; x < w ; x++) + ff_h264_deblock_macroblock(&(frame->reconstructed_mb_map[y][x]),1,1,isIDR,QPYav,QPCav); + } +} + +#endif // DISABLE_DEBLOCKING + +static void ff_h264_encode_Inter_16x16(H264Context *t, MacroBlock *targetmb, PutBitContext *b, + MacroBlock *destmb, FrameInfo **previous_frames, + int num_prev_frames, int mbx, int mby) +{ + int y,h,x,w; + int w2,h2; + int qPI; + int QPc; + int QPy = t->QP; + int16_t UD[2][2]; + int16_t VD[2][2]; + int mvx = 0; + int mvy = 0; + int pred_mvx = 0; + int pred_mvy = 0; + int pred_mvx2 = 0; + int pred_mvy2 = 0; + + qPI = t->QP + t->chroma_qp_index_offset; + qPI = clip(qPI, 0, 51); + QPc = chroma_qp[qPI]; + + w = targetmb->Y_width; + h = targetmb->Y_height; + w2 = w>>1; + h2 = h>>1; + + // Find motion vector and prediction + + ff_h264_estimate_motion_vectors(destmb, &pred_mvx, &pred_mvy, &pred_mvx2, &pred_mvy2); + ff_h264_find_motion_vector_and_prediction(t, targetmb, previous_frames[0], mbx, mby, &mvx, &mvy, + pred_mvx, pred_mvy, destmb); + + // Calculate residual + + H264_COPY_16X16BLOCK(t->residual.part4x4Y,(int16_t)targetmb->Y,(int16_t)destmb->Y); + H264_COPY_8X8BLOCK(t->residual.part4x4U,(int16_t)targetmb->U,(int16_t)destmb->U); + H264_COPY_8X8BLOCK(t->residual.part4x4V,(int16_t)targetmb->V,(int16_t)destmb->V); + + // Transform residual: DCT + + for (y = 0 ; y < 4 ; y++) + { + for (x = 0 ; x < 4 ; x++) + { + t->dspcontext.h264_transform_dct_quant(t->residual.part4x4Y[y][x],QPy,0); + } + } + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + t->dspcontext.h264_transform_dct_quant(t->residual.part4x4U[y][x],QPc,1); + t->dspcontext.h264_transform_dct_quant(t->residual.part4x4V[y][x],QPc,1); + } + } + // For U + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + UD[y][x] = t->residual.part4x4U[y][x][0][0]; + ff_h264_hadamard_mult_2x2(UD); + t->dspcontext.h264_hadamard_quant_2x2(UD, QPc); + + // For V + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + VD[y][x] = t->residual.part4x4V[y][x][0][0]; + ff_h264_hadamard_mult_2x2(VD); + t->dspcontext.h264_hadamard_quant_2x2(VD,QPc); + + // Encode motion vectors, residual, ... + + destmb->mv_x = mvx; + destmb->mv_y = mvy; + + ff_h264_encode_inter16x16_residual(t, b, mvx-pred_mvx, mvy-pred_mvy, mvx-pred_mvx2, mvy-pred_mvy2, + &(t->residual), UD, VD, 0, destmb, (mbx == t->mb_width-1 && mby == t->mb_height-1)); + + // Inverse hadamard + + // For U + ff_h264_hadamard_mult_2x2(UD); + ff_h264_hadamard_invquant_2x2(UD,QPc); + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + t->residual.part4x4U[y][x][0][0] = UD[y][x]; + // For V + ff_h264_hadamard_mult_2x2(VD); + ff_h264_hadamard_invquant_2x2(VD,QPc); + for (y = 0 ; y < 2 ; y++) + for (x = 0 ; x < 2 ; x++) + t->residual.part4x4V[y][x][0][0] = VD[y][x]; + + // Inverse DCT and add + + for (y = 0 ; y < 4 ; y++) + { + for (x = 0 ; x < 4 ; x++) + { + t->dspcontext.h264_transform_inverse_quant_dct_add(t->residual.part4x4Y[y][x],QPy,0,&(destmb->Y[y*4][x*4]),t->Y_stride); + } + } + for (y = 0 ; y < 2 ; y++) + { + for (x = 0 ; x < 2 ; x++) + { + t->dspcontext.h264_transform_inverse_quant_dct_add(t->residual.part4x4U[y][x],QPc,1,&(destmb->U[y*4][x*4]),t->V_stride); + t->dspcontext.h264_transform_inverse_quant_dct_add(t->residual.part4x4V[y][x],QPc,1,&(destmb->V[y*4][x*4]),t->U_stride); + } + } + + destmb->available = 1; +} + +static void ff_h264_control_bitrate(AVCodecContext *avctx, H264Context *t) +{ + if (t->blocksize_history_total_milliseconds) + { + int64_t bitrate = (t->blocksize_history_sum*1000)/t->blocksize_history_total_milliseconds; + + if (avctx->bit_rate > bitrate) // increase quality + { + if (t->QP > 0) + t->QP--; + } + else // decrease quality + { + if (t->QP < 51) + t->QP++; + } + } +} + +static int ff_h264_encode(AVCodecContext *avctx, uint8_t *buf, int buf_size, void *data) +{ + H264Context *t = (H264Context *)avctx->priv_data; + PutBitContext b; + int mbx, mby; + uint8_t *dest; + int destlen, i; + FrameInfo *tmp; + int isIDR = 0; + static int show_once = 0; + + if (t->frame_num % t->IDRcount == 0) + isIDR = 1; + + if(!show_once) + { + av_log(avctx, AV_LOG_INFO, "width: %d height: %d buffer_size: %d\n", avctx->width, avctx->height,buf_size); + show_once = 1; + } + + destlen = t->bufsize; + dest = t->bytestream; + + // Copy the input image. Macroblocks were already assigned in the initialization step + img_copy(&(t->input_frame_copy),(AVPicture *)data,PIX_FMT_YUV420P,t->frame_width,t->frame_height); + + // reconstructed_frames[0] will be used to reconstruct the image + ff_h264_clear_nonzero_markers(t->reconstructed_frames[0]->reconstructed_mb_map,t->mb_width,t->mb_height); + + if (isIDR) + { + // sequence parameter set rbsp + + init_put_bits(&b,t->bitstream,t->bufsize); + + put_bits(&b,8,66); // profile_idc = 66 in Baseline + put_bits(&b,1,0); // constraint_set0_flag + put_bits(&b,1,0); // constraint_set1_flag + put_bits(&b,1,0); // constraint_set2_flag + put_bits(&b,1,0); // constraint_set3_flag + put_bits(&b,4,0); // reserved_zero_bits + put_bits(&b,8,40); // level_idc, p. 262, 10*level number + + set_ue_golomb(&b,0); // seq_parameter_set_id + set_ue_golomb(&b,2); // log2_max_frame_num_minus4 + set_ue_golomb(&b,2); // pic_order_cnt + set_ue_golomb(&b,16); // num_ref_frames [0, 16] (make sure we can use enough) + + put_bits(&b,1,0); // gaps_in_frame_num_value_allowed_flag + + set_ue_golomb(&b,t->mb_width-1); // pic_width_in_mbs_minus1 + set_ue_golomb(&b,t->mb_height-1); // pic_height_in_map_units_minus1 + + put_bits(&b, 1, 1); // frame_mbs_only_flag = 1 in Baseline + put_bits(&b, 1, 0); // direct_8x8_inference_flag + put_bits(&b, 1, t->frame_cropping_flag); // frame_cropping_flag + + if (t->frame_cropping_flag) + { + set_ue_golomb(&b, t->frame_crop_left_offset); + set_ue_golomb(&b, t->frame_crop_right_offset); + set_ue_golomb(&b, t->frame_crop_top_offset); + set_ue_golomb(&b, t->frame_crop_bottom_offset); + } + + put_bits(&b, 1, 0); // vui_parameters_present_flag + put_bits(&b, 1, 1); // rbsp_stop_one_bit + + dest = ff_h264_write_nal_unit(1,NAL_SPS,dest,&destlen,&b); + + // Baseline: nal_unit_type not in [2,4] + + // picture parameter set + + init_put_bits(&b,t->bitstream,t->bufsize); + + set_ue_golomb(&b,0); // pic_parameter_set_id + set_ue_golomb(&b,0); // seq_parameter_set_id + put_bits(&b,1,0); // entropy_coding_mode 0 = CAVLC + put_bits(&b,1,0); // pic_order_present_flag + set_ue_golomb(&b,0); // num_slice_groups_minus1 Only one slice group + // List0 is needed for enabling P-slices + set_ue_golomb(&b,0); // num_ref_idx_l0_active_minus1 Using at most the previous frame for prediction + set_ue_golomb(&b,0); // num_ref_idx_l1_active_minus1 Definitely not using list 1 in baseline + put_bits(&b,1,0); // weighted_pred_flag Is 0 in baseline + put_bits(&b,2,0); // weighted_bipred_idc Is 0 in baseline + + set_se_golomb(&b,t->PPS_QP-26); // pic_init_qp_minus26 + set_se_golomb(&b,0); // pic_init_qs_minus26 + + set_se_golomb(&b,t->chroma_qp_index_offset); // chroma_qp_index_offset + +#ifndef DISABLE_DEBLOCKING + put_bits(&b,1,0); // deblocking_filter_control_present_flag +#else + put_bits(&b,1,1); // deblocking_filter_control_present_flag +#endif // DISABLE_DEBLOCKING + + put_bits(&b,1,0); // constrained_intra_pred_flag + put_bits(&b,1,0); // redundant_pic_cnt_present + + put_bits(&b,1,1); // rbsp_stop_one_bit + + dest = ff_h264_write_nal_unit(1,NAL_PPS,dest,&destlen,&b); + + } + + // IDR slice or P slice + + init_put_bits(&b,t->bitstream,t->bufsize); + + // Slice header + set_ue_golomb(&b, 0); // first_mb_in_slice + + if (isIDR) + set_ue_golomb(&b, 7); // slice_type + else + set_ue_golomb(&b, 5); // slice_type + // 0: current slice is P-slice + // 2: current slice is I-slice + // 5: current and all other slices are P-slices (0 or 5) + // 7: current and all other slices are I-slices (2 or 7) + + set_ue_golomb(&b, 0); // pic_parameter_set_id + put_bits(&b, 6, t->frame_num%t->IDRcount); // frame_num + //put_bits(&b, 4, 0); // frame_num + if (isIDR) + set_ue_golomb(&b, t->IDR_frame_num); // idr_pic_id + else + put_bits(&b, 1, 0); // num_ref_idx_active_override_flag + + // dec_ref_pic_marking() ... + put_bits(&b, 1, 0); // no_output_of_prior_pics_flag + put_bits(&b, 1, 0); // long_term_reference_flag + // ... dec_ref_pic_marking() + set_se_golomb(&b, t->QP - t->PPS_QP); // slice_qp_delta + +#ifdef DISABLE_DEBLOCKING + set_ue_golomb(&b, 1); // disable_deblocking_filter_idc +#endif // DISABLE_DEBLOCKING + + // Slice data + + if (isIDR) + { + for(mby = 0; mby < t->mb_height ; mby++) + for(mbx = 0 ; mbx < t->mb_width ; mbx++) + ff_h264_encode_Intra_16x16(t,&(t->mb_map[mby][mbx]),&b,&(t->reconstructed_frames[0]->reconstructed_mb_map[mby][mbx])); + } + else // Inter encoded frame + { + t->mb_skip_run = 0; + + for(mby = 0; mby < t->mb_height ; mby++) + for(mbx = 0 ; mbx < t->mb_width ; mbx++) + ff_h264_encode_Inter_16x16(t,&(t->mb_map[mby][mbx]),&b,&(t->reconstructed_frames[0]->reconstructed_mb_map[mby][mbx]),&(t->reconstructed_frames[1]),t->framebufsize-1,mbx,mby); + } + +#ifndef DISABLE_DEBLOCKING + { + int QPy = t->QP; + int qPI, QPc; + + qPI = t->QP + t->chroma_qp_index_offset; + qPI = clip(qPI, 0, 51); + QPc = chroma_qp[qPI]; + + ff_h264_deblock(t,t->reconstructed_frames[0],isIDR,QPy,QPc); + } +#endif // DISABLE_DEBLOCKING + +#ifdef H264_DEBUG_WRITE_DECODED_IMAGE + ff_h264_append_image(t->reconstructed_frames[0]->reconstructed_picture.data[0], avctx); +#endif + + // Trailing bits + + put_bits(&b,1,1); // rbsp_stop_one_bit + + if (isIDR) + dest = ff_h264_write_nal_unit(1,NAL_IDR_SLICE,dest,&destlen,&b); + else + dest = ff_h264_write_nal_unit(1,NAL_SLICE,dest,&destlen,&b); + + // cycle frame buffer + + tmp = t->reconstructed_frames[t->framebufsize-1]; + for (i = t->framebufsize-1 ; i > 0 ; i--) + t->reconstructed_frames[i] = t->reconstructed_frames[i-1]; + t->reconstructed_frames[0] = tmp; + + // copy the encoded bytes + memcpy(buf,t->bytestream,t->bufsize-destlen); + + // update history information + t->blocksize_history_sum -= t->blocksize_history[t->blocksize_history_pos]; + t->blocksize_history_sum += (t->bufsize-destlen)*8; + t->blocksize_history[t->blocksize_history_pos] = (t->bufsize-destlen)*8; + + t->blocksize_history_pos++; + if (t->blocksize_history_pos == t->blocksize_history_length) + t->blocksize_history_pos = 0; + if (t->blocksize_history_num_filled < t->blocksize_history_length) + { + t->blocksize_history_num_filled++; + t->blocksize_history_total_milliseconds += t->milliseconds_per_frame; + } + + if (!t->use_fixed_qp) + ff_h264_control_bitrate(avctx,t); + + // adjust frame numbers + t->frame_num++; + if (isIDR) + t->IDR_frame_num++; + return (t->bufsize-destlen); +} + +static int ff_h264_encoder_close(AVCodecContext *avctx) +{ + PutBitContext b; + H264Context *t = (H264Context *)avctx->priv_data; + uint8_t *dest; + int destlen; + int y,i; + + destlen = t->bufsize; + dest = t->bytestream; + + init_put_bits(&b,t->bitstream,t->bufsize); + + // write end of stream + + dest = ff_h264_write_nal_unit(0,NAL_END_STREAM,dest,&destlen,&b); + + *dest = 0; + dest++; + destlen--; + + // clean up + + av_free(t->bitstream); + av_free(t->bytestream); + + for (y = 0 ; y < t->mb_height ; y++) + av_free(t->mb_map[y]); + + av_free(t->mb_map); + + for (i = 0 ; i < t->framebufsize ; i++) + { + av_free(t->reconstructed_frames[i]->reconstructed_picture.data[0]); + + for (y = 0 ; y < t->mb_height ; y++) + av_free(t->reconstructed_frames[i]->reconstructed_mb_map[y]); + + av_free(t->reconstructed_frames[i]->reconstructed_mb_map); + av_free(t->reconstructed_frames[i]); + } + + av_free(t->reconstructed_frames); + + av_free(t->input_frame_copy.data[0]); + + av_free(t->blocksize_history); + return 0; +} + +#ifdef CONFIG_ENCODERS +AVCodec h264_encoder = { + "ffh264", + CODEC_TYPE_VIDEO, + CODEC_ID_FFH264, + sizeof(H264Context), + ff_h264_encoder_init, + ff_h264_encode, + ff_h264_encoder_close, +}; +#endif + diff --git a/libavcodec/h264enc.h b/libavcodec/h264enc.h new file mode 100644 index 0000000..d2dc675 --- /dev/null +++ b/libavcodec/h264enc.h @@ -0,0 +1,104 @@ +/* + * H.264 encoder + * Copyright (c) 2006 Expertisecentrum Digitale Media, UHasselt + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "h264encdata.h" + +/** + * Can contain pointers to the relevant starting points in a picture + */ +typedef struct MacroBlock +{ + uint8_t *Y[16]; + uint8_t *U[8]; + uint8_t *V[8]; + int Y_width; + int Y_height; + int Y_nonzero[4][4]; ///< y,x + int U_nonzero[2][2]; + int V_nonzero[2][2]; + struct MacroBlock *leftblock,*topblock,*rightblock; + int available; + int mv_x; + int mv_y; +} MacroBlock; + +typedef struct Residual +{ + int16_t part4x4Y[4][4][4][4]; ///< ypos and xpos of 4x4 part, followed by y,x of pixel + int16_t part4x4U[2][2][4][4]; ///< ypos and xpos of 4x4 part, followed by y,x of pixel + int16_t part4x4V[2][2][4][4]; ///< ypos and xpos of 4x4 part, followed by y,x of pixel +} Residual; + +typedef struct FrameInfo +{ + AVPicture reconstructed_picture; + MacroBlock **reconstructed_mb_map; ///< macroblock map of reconstructed picture +} FrameInfo; + +typedef struct H264Context +{ + uint8_t *bitstream; + uint8_t *bytestream; + int bufsize; + int frame_num; + int IDR_frame_num; + MacroBlock **mb_map; ///< macroblock map for input picture + FrameInfo **reconstructed_frames; + int framebufsize; ///< length of previous array + int mb_width; ///< width in macroblocks + int mb_height; ///< height in macroblock + int QP; + int PPS_QP; //< The QP value stored in the picture parameter set + int chroma_qp_index_offset; + int IDRcount; + int frame_cropping_flag; + int frame_crop_left_offset; + int frame_crop_right_offset; + int frame_crop_top_offset; + int frame_crop_bottom_offset; + Residual residual; + + MpegEncContext s; + AVPicture pi, po; + + DSPContext dspcontext; + int Y_stride; + int U_stride; + int V_stride; + + int frame_width; + int frame_height; + int refframe_width; + int refframe_height; + + AVPicture input_frame_copy; ///< buffer to hold copy of input frame + int mb_skip_run; + + int64_t *blocksize_history; + int blocksize_history_length; + int blocksize_history_total_milliseconds; + int milliseconds_per_frame; + int blocksize_history_pos; + int blocksize_history_num_filled; + int64_t blocksize_history_sum; + + int use_fixed_qp; +} H264Context; + + diff --git a/libavcodec/h264encdata.h b/libavcodec/h264encdata.h new file mode 100644 index 0000000..691ba44 --- /dev/null +++ b/libavcodec/h264encdata.h @@ -0,0 +1,1291 @@ +/* + * H.264 encoder + * Copyright (c) 2006 Expertisecentrum Digitale Media, UHasselt + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define H264_CAVLC_CLIPTABLE_SIZE 65536 +#define H264_CAVLC_CLIPTABLE_OFFSET 32768 + +#define SAE_ENCODED_SIZE_SIZE (256*16*16+2*8*8*256) +#define MVTABLE_OFFSET (128*4) + +static const char mv_len_table[MVTABLE_OFFSET*2+1] = +{ + 21,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,15,15,15,15,13, + 13,13,13,13,13,13,13,13,13,13,13,13,13,13,13, + 13,13,13,13,13,13,13,13,13,13,13,13,13,13,13, + 13,11,11,11,11,11,11,11,11,11,11,11,11,11,11, + 11,11,9,9,9,9,9,9,9,9,7,7,7,7,5, + 5,3,1,3,5,5,7,7,7,7,9,9,9,9,9, + 9,9,9,11,11,11,11,11,11,11,11,11,11,11,11, + 11,11,11,11,13,13,13,13,13,13,13,13,13,13,13, + 13,13,13,13,13,13,13,13,13,13,13,13,13,13,13, + 13,13,13,13,13,13,15,15,15,15,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, + 15,15,15,15,15,15,15,15,15,15,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,17,17,17,17,17,17,17,17,17,17,17,17, + 17,17,17,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,19,19,19,19,19,19,19,19,19,19,19, + 19,19,19,19,21 +}; + +static const int sae_mapping[SAE_ENCODED_SIZE_SIZE] = { +0,1,2,3,4, 5,6,7,8,9, +10,11,12,13,14, 15,16,17,18,19, +20,21,22,23,24, 25,26,27,28,29, +30,31,32,33,34, 35,36,37,38,39, +40,41,42,43,44, 45,46,47,48,49, +50,51,52,53,54, 55,56,57,58,59, +60,61,62,63,64, 65,66,67,68,69, +70,71,72,73,74, 75,76,77,78,79, +80,81,82,83,84, 85,86,87,88,89, +90,91,92,93,94, 95,96,97,98,99, +100,101,102,103,104, 105,106,107,108,109, +110,111,112,113,114, 115,116,117,118,119, +120,121,122,123,124, 125,126,127,128,129, +130,131,132,133,134, 135,136,137,138,139, +140,141,142,143,144, 145,146,147,148,149, +150,151,152,153,154, 155,156,157,158,159, +160,161,162,163,164, 165,166,167,168,169, +170,171,172,173,174, 175,176,177,178,179, +180,181,182,183,184, 185,186,187,188,189, +190,191,192,193,194, 195,196,197,198,199, +200,201,202,203,204, 205,206,207,208,209, +210,211,212,213,214, 215,216,217,218,219, +220,221,222,223,224, 225,226,227,228,229, +230,231,232,233,234, 235,236,237,238,239, +240,241,242,243,244, 245,246,247,248,249, +250,251,252,253,254, 255,256,257,258,259, +260,261,262,263,264, 265,266,267,268,269, +270,271,272,273,274, 275,276,277,278,279, +280,281,282,283,284, 285,286,287,288,289, +290,291,292,293,294, 295,296,297,298,299, +300,301,302,303,304, 305,306,307,308,309, +310,311,312,313,314, 315,316,317,318,319, +320,321,322,323,324, 325,326,327,328,329, +330,331,332,333,334, 335,336,337,338,339, +340,341,342,343,344, 345,346,347,348,349, +350,351,352,353,354, 355,356,357,358,359, +360,361,362,363,364, 365,366,367,368,369, +370,371,372,373,374, 375,376,377,378,379, +380,381,382,383,384, 385,386,387,388,389, +390,391,392,393,394, 395,396,397,398,399, +400,401,402,403,404, 405,406,407,408,409, +410,411,412,413,414, 415,416,417,418,419, +420,421,422,423,424, 425,426,427,428,429, +430,431,432,433,434, 435,436,437,438,439, +440,441,442,443,444, 445,446,447,448,449, +450,451,452,453,454, 455,456,457,458,459, +460,461,462,463,464, 465,466,467,468,469, +470,471,472,473,474, 475,476,477,478,479, +480,481,482,483,484, 485,486,487,488,489, +490,491,492,493,494, 495,496,497,498,499, +500,501,502,503,504, 505,506,507,508,509, +510,511,512,513,514, 515,516,517,518,519, +520,521,522,523,524, 525,526,527,528,529, +530,531,532,533,534, 535,536,537,538,539, +540,541,542,543,544, 545,546,547,548,549, +550,551,552,553,554, 555,556,557,558,559, +560,561,562,563,564, 565,566,567,568,569, +570,571,572,573,574, 575,576,577,578,579, +580,581,582,583,584, 585,586,587,588,589, +590,591,592,593,594, 595,596,597,598,599, +600,601,602,603,604, 605,606,607,608,609, +610,611,612,613,614, 615,616,617,618,619, +620,621,622,623,624, 625,626,627,628,629, +630,631,632,633,634, 635,636,637,638,639, +640,641,642,643,644, 645,646,647,648,649, +650,651,652,653,654, 655,656,657,658,659, +660,661,662,663,664, 665,666,667,668,669, +670,671,672,673,674, 675,676,677,678,679, +680,681,682,683,684, 685,686,687,688,689, +690,691,692,693,694, 695,696,697,698,699, +700,701,702,703,704, 705,706,707,708,709, +710,711,712,713,714, 715,716,717,718,719, +720,721,722,723,724, 725,726,727,728,729, +730,731,732,733,734, 735,736,737,738,739, +740,741,742,743,744, 745,746,747,748,749, +750,751,752,753,754, 755,756,757,758,759, +760,761,762,763,764, 765,766,767,768,769, +770,771,772,773,774, 775,776,777,778,779, +780,781,782,783,784, 785,786,787,788,789, +790,791,792,793,794, 795,796,797,798,799, +800,801,802,803,804, 805,806,807,808,809, +810,811,812,813,814, 815,816,817,818,819, +820,821,822,823,824, 825,826,827,828,829, +830,831,832,833,834, 835,836,837,838,839, +840,841,842,843,844, 845,846,847,848,849, +850,851,852,853,854, 855,856,857,858,859, +860,861,862,863,864, 865,866,867,868,869, +870,871,872,873,874, 875,876,877,878,879, +880,881,882,883,884, 885,886,887,888,889, +890,891,892,893,894, 895,896,897,898,899, +900,901,902,903,904, 905,906,907,908,909, +910,911,912,913,914, 915,916,917,918,919, +920,921,922,923,924, 925,926,927,928,929, +930,931,932,933,934, 935,936,937,938,939, +940,941,942,943,944, 945,946,947,948,949, +950,951,952,953,954, 955,956,957,958,959, +960,961,962,963,964, 965,966,967,968,969, +970,971,972,973,974, 975,976,977,978,979, +980,981,982,983,984, 985,986,987,988,989, +990,991,992,993,994, 995,996,997,998,999, +1000,1001,1002,1003,1004, 1005,1006,1007,1008,1009, +1010,1011,1012,1013,1014, 1015,1016,1017,1018,1019, +1020,1021,1022,1023,1024, 1025,1026,1027,1028,1029, +1030,1031,1032,1033,1034, 1035,1036,1037,1038,1039, +1040,1041,1042,1043,1044, 1045,1046,1047,1048,1049, +1050,1051,1052,1053,1054, 1055,1056,1057,1058,1059, +1060,1061,1062,1063,1064, 1065,1066,1067,1068,1069, +1070,1071,1072,1073,1074, 1075,1076,1077,1078,1079, +1080,1081,1082,1083,1084, 1085,1086,1087,1088,1089, +1090,1091,1092,1093,1094, 1095,1096,1097,1098,1099, +1100,1101,1102,1103,1104, 1105,1106,1107,1108,1109, +1110,1111,1112,1113,1114, 1115,1116,1117,1118,1119, +1120,1121,1122,1123,1124, 1125,1126,1127,1128,1129, +1130,1131,1132,1133,1134, 1135,1136,1137,1138,1139, +1140,1141,1142,1143,1144, 1145,1146,1147,1148,1149, +1150,1151,1152,1153,1154, 1155,1156,1157,1158,1159, +1160,1161,1162,1163,1164, 1165,1166,1167,1168,1169, +1170,1171,1172,1173,1174, 1175,1176,1177,1178,1179, +1180,1181,1182,1183,1184, 1185,1186,1187,1188,1189, +1190,1191,1192,1193,1194, 1195,1196,1197,1198,1199, +1200,1201,1202,1203,1204, 1205,1206,1207,1208,1209, +1210,1211,1212,1213,1214, 1215,1216,1217,1218,1219, +1220,1221,1222,1223,1224, 1225,1226,1227,1228,1229, +1230,1231,1232,1233,1234, 1235,1236,1237,1238,1239, +1240,1241,1242,1243,1244, 1245,1246,1247,1248,1249, +1250,1251,1252,1253,1254, 1255,1256,1257,1258,1259, +1260,1261,1262,1263,1264, 1265,1266,1267,1268,1269, +1270,1271,1272,1273,1274, 1275,1276,1277,1278,1279, +1280,1281,1282,1283,1284, 1285,1286,1287,1288,1289, +1290,1291,1292,1293,1294, 1295,1296,1297,1298,1299, +1300,1301,1302,1303,1304, 1305,1306,1307,1308,1309, +1310,1311,1312,1313,1314, 1315,1316,1317,1318,1319, +1320,1321,1322,1323,1324, 1325,1326,1327,1328,1329, +1330,1331,1332,1333,1334, 1335,1336,1337,1338,1339, 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sae_codeblocksize_relation[52][2048] = +{ + { + 55,113,155,202,247,289,333,374,413,452,489,523,555,584,612,637,660,681,701,719,735,751,765,779,792,804,816,827,838,849,859,868,878,888,897,907,916,925,934,943,952,961,970,978,986,994,1002,1009,1017,1024,1031,1038,1045,1051,1058,1064,1070,1076,1082,1088,1094,1100,1105,1110,1116,1121,1126,1131,1136,1141,1145,1150,1155,1159,1164,1168,1172,1177,1181,1185,1190,1194,1198,1202,1206,1210,1215,1219,1223,1226,1230,1234,1238,1241,1245,1248,1252,1255,1259,1262,1266,1269,1272,1276,1279,1282,1286,1289,1292,1295,1298,1301,1305,1308,1311,1314,1317,1320,1323,1326,1328,1331,1334,1337,1340,1342,1345,1348,1350,1353,1356,1358,1361,1364,1366,1369,1371,1374,1376,1379,1381,1384,1386,1388,1391,1393,1396,1398,1400,1403,1405,1407,1409,1412,1414,1416,1418,1421,1423,1425,1427,1429,1431,1433,1435,1437,1439,1442,1444,1446,1448,1450,1452,1454,1455,1457,1459,1461,1463,1465,1467,1468,1470,1472,1473,1475,1477,1479,1481,1483,1485,1487,1489,1491,1493,1494,1496,1498,1499,1501,1503,1505,1506,1508,1510,1512,1513,1515,1517,1519,1521,1522,1524,1525,1527,1529,1530,1532,1533,1535,1537,1538,1540,1541,1543,1545,1546,1548,1549,1551,1552,1554,1555,1557,1558,1559,1561,1562,1564,1565,1566,1568,1569,1571,1572,1573,1575,1576,1578,1580,1581,1583,1584,1586, 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1865,1865,1865,1865,1865,1865,1865,1865,1866,1866,1867,1867,1867,1867,1867,1867,1867,1867,1867,1867,1867,1867,1868,1868,1868,1869,1869,1869,1870,1870,1870,1871,1871,1871,1871,1871,1871,1871,1871,1871,1871,1871,1871,1872,1872,1872,1873,1874,1874,1875,1875,1876,1877,1877,1877,1877,1877,1877,1877,1877,1877,1877,1877,1877,1878,1878,1878,1879,1881,1881,1881,1881,1882,1882,1883,1883,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1884,1885,1885,1886,1886,1887,1887,1888,1889,1889,1890,1890,1890,1890,1890,1890,1890,1890,1890,1890,1890,1890,1890,1890,1891,1892,1892,1892,1892,1893,1893,1893,1893,1893,1893,1893,1893,1893,1893,1893,1893,1893,1893,1893,1894,1894,1894,1895,1895,1896,1897,1897,1898,1898,1898,1899,1899,1899,1899,1899,1899,1899,1899,1899,1899,1900,1900,1900,1900,1900,1900,1901,1901,1901,1901,1901,1901,1901,1901,1901,1901,1901,1901,1901,1902,1903,1904,1904,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1905,1906,1907,1908,1908,1909,1909,1910,1911,1911,1911,1911,1911,1911,1911,1911,1911,1911,1912,1912,1912,1913,1914,1914,1914,1915,1915,1916,1916,1916,1916,1917,1918,1918,1918,1919,1920,1920,1921,1921,1921,1921,1921,1921,1921,1921,1921,1921,1921,1921,1921,1921,1922,1922,1922,1923,1924,1924,1924, 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1924,1924,1925,1925,1925,1925,1925,1925,1926,1926,1926,1926,1926,1926,1927,1928,1928,1929,1929,1929,1929,1929,1929,1930,1930,1930,1930,1931,1932,1932,1932,1932,1933,1934,1934,1934,1934,1934,1934,1934,1935,1936,1936,1936,1936,1936,1936,1937,1937,1937,1937,1937,1937,1937,1938,1938,1938,1938,1938,1938,1939,1939,1939,1940,1941,1941,1941,1941,1941,1941,1941,1941,1941,1941,1941,1942,1942,1943,1943,1944,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1946,1947,1947,1947,1947,1947,1947,1947,1947,1947,1947,1947,1947,1947,1949,1949,1949,1949,1949,1949,1949,1949,1950,1950,1950,1950,1950,1950,1950,1950,1950,1950,1950,1950,1950,1950,1951,1951,1951,1951,1951,1952,1952,1952,1952,1952,1952,1952,1952,1953,1953,1953,1953,1953,1953,1954,1955,1955,1955,1955,1955,1956,1956,1956,1957,1957,1957,1957,1957,1957,1957,1957,1957,1957,1957,1957,1957,1957,1957,1957,1959,1960,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1961,1962,1962,1962,1962,1962,1962,1963,1963,1964,1964,1964,1964,1965,1966,1966,1967,1967,1967,1968,1969,1970,1970,1970,1970,1970,1971,1972,1973,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1974,1975, 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1975,1975,1976,1977,1977,1977,1977,1978,1978,1978,1978,1978,1978,1978,1978,1978,1978,1978,1978,1979,1980,1981,1981,1982,1982,1982,1982,1982,1982,1982,1982,1982,1982,1982,1982,1982,1982,1982,1982,1983,1984,1985,1986,1986,1988,1988,1990,1990,1990,1990,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1991,1992,1992,1992,1992,1993,1993,1994,1994,1994,1994,1994,1994,1994,1994,1994,1994,1994,1994,1994,1994,1994,1994,1995,1996,1998,1998,1998,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2000,2001,2001,2002,2002,2002,2002,2002,2002,2004,2004,2004,2004,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2007,2008,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2010, 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2010,2010,2010,2010,2010,2010,2010,2010,2010,2010,2011,2012,2012,2012,2012,2013,2013,2013,2013,2013,2013,2013,2013,2013,2013,2013,2013,2013,2014,2014,2014,2014,2015,2017,2018,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2019,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021,2021, 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+ 2021,2021,2021,2021,2021,2021,2021,2021,2021 + }, + { + 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78,78,78,78,78,78,78,78,78,78,78,79,79,79,79,79,79,79,79,79,79,79,79,79,79,79,79,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,83,83,83,83,83,83,83,83,83,83,83,83,83,84,84,84,84,84,84,84,84,84,84,84,84,84,84,84,84,84,85,85,85,85,85,85,85,85,85,85,85,85,86,86,86,86,86,86,86,86,86,86,86,86,86,86,86,86,86,87,87,87,87,87,87,87,87,87,87,87,87,87,87,87,88,88,88,88,88,88,88,88,88,88,88,88,88,89,89,89,89,89,89,89,89,89,89,89,89,89,89,89,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,91,91,91,91,91,91,91,91,91,91,91,91,91,91,92,92,92,92,92,92,92,92,92,92,92,92,93,93,93,93,93,93,93,93,93,93,93,93,93,94,94,94,94,94,94,94,94,94,94,94,94,94,95,95,95,95,95,95,95,95,95, + 95,95,95,95,96,96,96,96,96,96,96,96,96,96,96,97,97,97,97,97,97,97,97,97,97,97,97,97,97,98,98,98,98,98,98,98,98,98,98,98,98,99,99,99,99,99,99,99,99,99,99,99,99,99,100,100,100,100,100,100,100,100,100,100,100,101,101,101,101,101,101,101,101,101,101,101,101,101,102,102,102,102,102,102,102,102,102,102,103,103,103,103,103,103,103,103,103,103,103,103,104,104,104,104,104,104,104,104,104,104,104,104,105,105,105,105,105,105,105,105,105,105,105,106,106,106,106,106,106,106,106,106,106,106,106,106,107,107,107,107,107,107,107,107,107,107,107,107,107,108,108,108,108,108,108,108,108,108,108,109,109,109,109,109,109,109,109,109,109,110,110,110,110,110,110,110,110,110,110,110,110,110,110,111,111,111,111,111,111,111,111,111,111,111,111,112,112,112,112,112,112,112,112,112,112,113,113,113,113,113,113,113,113,113,113,113,114,114,114,114,114,114,114,114,114,114,114,114,114,115,115,115,115,115,115,115,115,115,115,115,116,116,116,116,116,116,116,116,116,116,116,116,117,117,117, + 117,117,117,117,117,117,117,117,117,118,118,118,118,118,118,118,118,118,119,119,119,119,119,119,119,119,119,119,119,119,119,120,120,120,120,120,120,120,120,120,120,121,121,121,121,121,121,121,121,121,121,121,121,121,121,122,122,122,122,122,122,122,122,122,122,123,123,123,123,123,123,123,123,123,123,123,123,123,124,124,124,124,124,124,124,124,124,124,125,125,125,125,125,125,125,125,125,125,125,126,126,126,126,126,126,126,126,126,126,126,126,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,128,128,128,128,128,128,128,128,128,128,128,128,128,129,129,129,129,129,129,129,129,129,129,129,129,130,130,130,130,130,130,130,130,130,130,131,131,131,131,131,131,131,131,131,131,131,131,132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,133,133,133,133,133,133,133,133,133,133,133,133,134,134,134,134,134,134,134,134,134,134,134,134,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,136,136,136,136,136,136,136,136,136,136,136,136,136,137,137,137,137,137,137,137,137,137,137,137,137,137, + 137,137,137,138,138,138,138,138,138,138,138,138,138,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,141,141,141,141,141,141,141,141,141,141,141,141,141,141,142,142,142,142,142,142,142,142,142,142,142,142,142,142,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,144,144,144,144,144,144,144,144,144,144,144,144,144,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,146,147,147,147,147,147,147,147,147,147,147,147,147,147,147,147,147,147,147,148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,148,149,149,149,149,149,149,149,149,149,149,149,149,149,149,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,150,151,151,151,151,151,151,151,151,151,151,151,151,151,151,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152,152, + 152,152,152,152,152,152,152,152,152 + } +}; + diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index 6a44e52..1696af5 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -2881,6 +2881,15 @@ void dsputil_init_mmx(DSPContext* c, AVC c->h264_idct8_dc_add= c->h264_idct8_add= ff_h264_idct8_add_mmx; + c->h264_dct = ff_h264_dct_mmx; + c->h264_idct_notranspose_add = ff_h264_idct_notranspose_add_mmx; + c->h264_hadamard_mult4x4 = ff_h264_hadamard_mult4x4_mmx; + c->h264_hadamard_quant_2x2 = ff_h264_hadamard_quant_2x2_mmx; + c->h264_hadamard_quant_4x4 = ff_h264_hadamard_quant_4x4_mmx; + c->h264_hadamard_invquant_4x4 = ff_h264_hadamard_invquant_4x4_mmx; + c->h264_transform_dct_quant = ff_h264_transform_dct_quant_mmx; + c->h264_transform_inverse_quant_dct_add = ff_h264_transform_inverse_quant_dct_add_mmx; + if (mm_flags & MM_MMXEXT) { c->prefetch = prefetch_mmx2; diff --git a/libavcodec/i386/h264dsp_mmx.c b/libavcodec/i386/h264dsp_mmx.c index ac4ad64..00ac209 100644 --- a/libavcodec/i386/h264dsp_mmx.c +++ b/libavcodec/i386/h264dsp_mmx.c @@ -46,6 +46,11 @@ SUMSUBD2_AB( s13, d13, t )\ SUMSUB_BADC( d13, s02, s13, d02 ) +#define SBUTTERFLY(a,b,t,n)\ + "movq " #a ", " #t " \n\t" /* abcd */\ + "punpckl" #n " " #b ", " #a " \n\t" /* aebf */\ + "punpckh" #n " " #b ", " #t " \n\t" /* cgdh */\ + #define TRANSPOSE4(a,b,c,d,t)\ SBUTTERFLY(a,b,t,wd) /* a=aebf t=cgdh */\ SBUTTERFLY(c,d,b,wd) /* c=imjn b=kolp */\ @@ -99,6 +104,131 @@ static void ff_h264_idct_add_mmx(uint8_t ); } +static void ff_h264_idct_notranspose_add_mmx(uint8_t *dst, int16_t *block, int stride) +{ + /* Load dct coeffs */ + asm volatile( + "movq (%0), %%mm0 \n\t" + "movq 8(%0), %%mm4 \n\t" + "movq 16(%0), %%mm3 \n\t" + "movq 24(%0), %%mm1 \n\t" + TRANSPOSE4(%%mm0, %%mm4, %%mm3, %%mm1, %%mm2) + :: "r"(block) ); + + asm volatile( + /* mm1=s02+s13 mm2=s02-s13 mm4=d02+d13 mm0=d02-d13 */ + IDCT4_1D( %%mm2, %%mm1, %%mm0, %%mm3, %%mm4 ) + + "movq %0, %%mm6 \n\t" + /* in: 1,4,0,2 out: 1,2,3,0 */ + TRANSPOSE4( %%mm3, %%mm1, %%mm0, %%mm2, %%mm4 ) + + "paddw %%mm6, %%mm3 \n\t" + + /* mm2=s02+s13 mm3=s02-s13 mm4=d02+d13 mm1=d02-d13 */ + IDCT4_1D( %%mm4, %%mm2, %%mm3, %%mm0, %%mm1 ) + + "pxor %%mm7, %%mm7 \n\t" + :: "m"(ff_pw_32)); + + asm volatile( + STORE_DIFF_4P( %%mm0, %%mm1, %%mm7) + "add %1, %0 \n\t" + STORE_DIFF_4P( %%mm2, %%mm1, %%mm7) + "add %1, %0 \n\t" + STORE_DIFF_4P( %%mm3, %%mm1, %%mm7) + "add %1, %0 \n\t" + STORE_DIFF_4P( %%mm4, %%mm1, %%mm7) + : "+r"(dst) + : "r" ((long)stride) + ); +} + +#define FORWARD_DCT_PART(a,b,c,d,u,v,w,x) \ + "movq " #a ", " #u " \n\t" \ + "paddw " #b ", " #u " \n\t" \ + "paddw " #c ", " #u " \n\t" \ + "paddw " #d ", " #u " \n\t" \ + "movq " #a ", " #w " \n\t" \ + "psubw " #b ", " #w " \n\t" \ + "psubw " #c ", " #w " \n\t" \ + "paddw " #d ", " #w " \n\t" \ + "movq " #a ", " #x " \n\t" \ + "psubw " #d ", " #x " \n\t" \ + "movq " #b ", " #v " \n\t" \ + "psubw " #c ", " #v " \n\t" \ + "movq " #v ", " #a " \n\t" \ + "movq " #x ", " #b " \n\t" \ + "psllw $1, " #a " \n\t" \ + "psllw $1, " #b " \n\t" \ + "paddw " #b ", " #v " \n\t" \ + "psubw " #a ", " #x " \n\t" + +static void ff_h264_dct_mmx(int16_t inblock[4][4], int16_t outblock[4][4]) +{ + /* Load dct coeffs */ + asm volatile( + "movq (%0), %%mm0 \n\t" + "movq 8(%0), %%mm1 \n\t" + "movq 16(%0), %%mm2 \n\t" + "movq 24(%0), %%mm3 \n\t" + :: "r"(inblock) ); + + asm volatile( + FORWARD_DCT_PART( %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm6, %%mm7) + TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0) + FORWARD_DCT_PART( %%mm4, %%mm7, %%mm0, %%mm6, %%mm1, %%mm2, %%mm3, %%mm5) + ::); + asm volatile( + "movq %%mm1, (%0) \n\t" + "movq %%mm2, 8(%0) \n\t" + "movq %%mm3,16(%0) \n\t" + "movq %%mm5,24(%0) \n\t" + : "+r"(outblock) + : ); +} + +#define HADAMARD_MULT_PART(a,b,c,d,u,v,w,x) \ + "movq " #a ", " #u " \n\t"\ + "paddw " #b ", " #u " \n\t"\ + "movq " #u ", " #v " \n\t"\ + "movq " #c ", " #w " \n\t"\ + "paddw " #d ", " #w " \n\t"\ + "paddw " #w ", " #u " \n\t"\ + "psubw " #w ", " #v " \n\t"\ + "psubw " #b ", " #a " \n\t"\ + "movq " #a ", " #w " \n\t"\ + "movq " #a ", " #x " \n\t"\ + "psubw " #d ", " #c " \n\t"\ + "paddw " #c ", " #x " \n\t"\ + "psubw " #c ", " #w " \n\t" + +static void ff_h264_hadamard_mult4x4_mmx(int16_t Y[4][4]) +{ + /* Load dct coeffs */ + asm volatile( + "movq (%0), %%mm4 \n\t" + "movq 8(%0), %%mm5 \n\t" + "movq 16(%0), %%mm6 \n\t" + "movq 24(%0), %%mm7 \n\t" + :: "r"(Y) ); + + asm volatile( + TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0) + HADAMARD_MULT_PART( %%mm4, %%mm7, %%mm0, %%mm6, %%mm1, %%mm2, %%mm3, %%mm5) + TRANSPOSE4(%%mm1, %%mm2, %%mm3, %%mm5, %%mm0) + HADAMARD_MULT_PART( %%mm1, %%mm5, %%mm0, %%mm3, %%mm2, %%mm4, %%mm6, %%mm7) + :: ); + asm volatile( + "movq %%mm2, (%0) \n\t" + "movq %%mm4, 8(%0) \n\t" + "movq %%mm6,16(%0) \n\t" + "movq %%mm7,24(%0) \n\t" + : "+r"(Y) + : ); +} + + static inline void h264_idct8_1d(int16_t *block) { asm volatile( @@ -1254,6 +1384,7 @@ static void OPNAME ## h264_qpel ## SIZE }\ +#define PUT_OP(a,b,temp, size) "mov" #size " " #a ", " #b " \n\t" #define AVG_3DNOW_OP(a,b,temp, size) \ "mov" #size " " #b ", " #temp " \n\t"\ "pavgusb " #temp ", " #a " \n\t"\ @@ -1408,6 +1539,343 @@ static inline void ff_h264_biweight_WxH_ } } +extern const int16_t ff_h264_MF00[6]; +extern const int16_t ff_h264_V00[6]; + +// hadamard quantization +void ff_h264_transform_quantize2_mmx(const int16_t *outblock, const int16_t *MF, int16_t *result, const int32_t *f, const int32_t qbits[1]) +{ + const static int64_t oneconst = 0x0001000100010001LL; + + asm volatile( + "movq (%0), %%mm0 \n\t" + "movq (%1), %%mm4 \n\t" + :: "r"(outblock), "r"(MF)); + asm volatile( + "movq %%mm0, %%mm7 \n\t" + "psraw $14, %%mm7 \n\t" + "movq %0, %%mm1 \n\t" + "movq %%mm1, %%mm2 \n\t" + "psllw $1, %%mm2 \n\t" + "pand %%mm2, %%mm7 \n\t" + "psubw %%mm7, %%mm1 \n\t" // mm1 now contains the signs of outblock[0..3] + "movq %%mm0, %%mm7 \n\t" + "pmullw %%mm1, %%mm7 \n\t" // mm7 now contains ABS(outblock) + "psraw $1, %%mm7 \n\t" // mm7 now contains ABS(outblock) >> 1 + "movq %%mm7, %%mm6 \n\t" + "pmullw %%mm4, %%mm6 \n\t" + "pmulhw %%mm4, %%mm7 \n\t" // mm6 now contains low words of (ABS(outblock)>>1)*MF, mm7 contains the high words + "movq %%mm6, %%mm5 \n\t" // now mm5 also contains low words + "punpcklwd %%mm7, %%mm5 \n\t" // mm5 should now contain the lowest 2 32-bit numbers from (ABS(outblock)>>1)*MF + "punpckhwd %%mm7, %%mm6 \n\t" // mm6 should now contain the highest 2 32-bit numbers from (ABS(outblock)>>1)*MF + "movq (%1), %%mm3 \n\t" + "paddd %%mm3, %%mm5 \n\t" // they now contain (ABS(outblock)>>1)*MF+f + "paddd %%mm3, %%mm6 \n\t" + "movd (%2), %%mm3 \n\t" + "psrld %%mm3, %%mm5 \n\t" // mm5 and mm6 now contain ((ABS(outblock)>>1)*MF+f) >> qbits + "psrld %%mm3, %%mm6 \n\t" + "psraw $1, %%mm1 \n\t" + "movq %%mm1, %%mm2 \n\t" + "punpcklwd %%mm1,%%mm1 \n\t" + "punpckhwd %%mm2,%%mm2 \n\t" + "movq %%mm5, %%mm0 \n\t" + "movq %%mm6, %%mm3 \n\t" + "paddd %%mm0, %%mm0 \n\t" + "paddd %%mm3, %%mm3 \n\t" + "pand %%mm1, %%mm0 \n\t" + "pand %%mm2, %%mm3 \n\t" + "psubd %%mm0, %%mm5 \n\t" + "psubd %%mm3, %%mm6 \n\t" + "packssdw %%mm6, %%mm5 \n\t" + :: "m"(oneconst),"r"(f),"r"(qbits)); + asm volatile( + "movq %%mm5, (%0) \n\t" + : "+r"(result) + : + : "memory"); + +} + +void ff_h264_transform_quantize_mmx(const int16_t *outblock, const int16_t *MF, int16_t *result, const int32_t *f, const int32_t qbits[1]) +{ + const static int64_t oneconst = 0x0001000100010001LL; + + asm volatile( + "movq (%0), %%mm0 \n\t" + "movq (%1), %%mm4 \n\t" + :: "r"(outblock), "r"(MF)); + asm volatile( + "movq %%mm0, %%mm7 \n\t" + "psraw $14, %%mm7 \n\t" + "movq %0, %%mm1 \n\t" + "movq %%mm1, %%mm2 \n\t" + "psllw $1, %%mm2 \n\t" + "pand %%mm2, %%mm7 \n\t" + "psubw %%mm7, %%mm1 \n\t" // mm1 now contains the signs of outblock[0..3] + "movq %%mm0, %%mm7 \n\t" + "pmullw %%mm1, %%mm7 \n\t" // mm7 now contains ABS(outblock) + "movq %%mm7, %%mm6 \n\t" + "pmullw %%mm4, %%mm6 \n\t" + "pmulhw %%mm4, %%mm7 \n\t" // mm6 now contains low words of ABS(outblock)*MF, mm7 contains the high words + "movq %%mm6, %%mm5 \n\t" // now mm5 also contains low words + "punpcklwd %%mm7, %%mm5 \n\t" // mm5 should now contain the lowest 2 32-bit numbers from ABS(outblock)*MF + "punpckhwd %%mm7, %%mm6 \n\t" // mm6 should now contain the highest 2 32-bit numbers from ABS(outblock)*MF + "movq (%1), %%mm3 \n\t" + "paddd %%mm3, %%mm5 \n\t" // they now contain ABS(outblock)*MF+f + "paddd %%mm3, %%mm6 \n\t" + "movd (%2), %%mm3 \n\t" + "psrld %%mm3, %%mm5 \n\t" // mm5 and mm6 now contain (ABS(outblock)*MF+f) >> qbits + "psrld %%mm3, %%mm6 \n\t" + "psraw $1, %%mm1 \n\t" + "movq %%mm1, %%mm2 \n\t" + "punpcklwd %%mm1,%%mm1 \n\t" + "punpckhwd %%mm2,%%mm2 \n\t" + "movq %%mm5, %%mm0 \n\t" + "movq %%mm6, %%mm3 \n\t" + "paddd %%mm0, %%mm0 \n\t" + "paddd %%mm3, %%mm3 \n\t" + "pand %%mm1, %%mm0 \n\t" + "pand %%mm2, %%mm3 \n\t" + "psubd %%mm0, %%mm5 \n\t" + "psubd %%mm3, %%mm6 \n\t" + "packssdw %%mm6, %%mm5 \n\t" + :: "m"(oneconst),"r"(f),"r"(qbits)); + asm volatile( + "movq %%mm5, (%0) \n\t" + : "+r"(result) + : + : "memory"); + +} + +extern const uint8_t div6[52]; +extern const uint8_t rem6[52]; + +// we'll always work with transposed input blocks, to avoid having to make a distinction between +// C and mmx implementations +void ff_h264_transform_dct_quant_mmx(int16_t block[4][4], int QP, int dontscaleDC) // y,x indexing +{ + static const int16_t MF[6][4][4] = + { + { { 13107, 8066, 13107, 8066}, { 8066, 5243, 8066, 5243}, { 13107, 8066, 13107, 8066}, { 8066, 5243, 8066, 5243} }, + { { 11916, 7490, 11916, 7490}, { 7490, 4660, 7490, 4660}, { 11916, 7490, 11916, 7490}, { 7490, 4660, 7490, 4660} }, + { { 10082, 6554, 10082, 6554}, { 6554, 4194, 6554, 4194}, { 10082, 6554, 10082, 6554}, { 6554, 4194, 6554, 4194} }, + { { 9362, 5825, 9362, 5825}, { 5825, 3647, 5825, 3647}, { 9362, 5825, 9362, 5825}, { 5825, 3647, 5825, 3647} }, + { { 8192, 5243, 8192, 5243}, { 5243, 3355, 5243, 3355}, { 8192, 5243, 8192, 5243}, { 5243, 3355, 5243, 3355} }, + { { 7282, 4559, 7282, 4559}, { 4559, 2893, 4559, 2893}, { 7282, 4559, 7282, 4559}, { 4559, 2893, 4559, 2893} } + }; + int32_t qbits = 15 + div6[QP]; + int32_t f = (1<> shift + "psrad %%mm3, %%mm6 \n\t" + "packssdw %%mm6, %%mm5 \n\t" + :: "r"(shift),"r"(add)); + asm volatile( + "movq %%mm5, (%0) \n\t" + : "+r"(outblock) + : + : "memory"); + +} + +void ff_h264_transform_inverse_quant_dct_add_mmx(int16_t block[4][4], int QP, int dontscaleDC, uint8_t *dst, int stride) // y,x indexing +{ + static const int16_t V[6][4][4] = + { + { { 10*16, 13*16, 10*16, 13*16}, { 13*16, 16*16, 13*16, 16*16}, { 10*16, 13*16, 10*16, 13*16}, { 13*16, 16*16, 13*16, 16*16} }, + { { 11*16, 14*16, 11*16, 14*16}, { 14*16, 18*16, 14*16, 18*16}, { 11*16, 14*16, 11*16, 14*16}, { 14*16, 18*16, 14*16, 18*16} }, + { { 13*16, 16*16, 13*16, 16*16}, { 16*16, 20*16, 16*16, 20*16}, { 13*16, 16*16, 13*16, 16*16}, { 16*16, 20*16, 16*16, 20*16} }, + { { 14*16, 18*16, 14*16, 18*16}, { 18*16, 23*16, 18*16, 23*16}, { 14*16, 18*16, 14*16, 18*16}, { 18*16, 23*16, 18*16, 23*16} }, + { { 16*16, 20*16, 16*16, 20*16}, { 20*16, 25*16, 20*16, 25*16}, { 16*16, 20*16, 16*16, 20*16}, { 20*16, 25*16, 20*16, 25*16} }, + { { 18*16, 23*16, 18*16, 23*16}, { 23*16, 29*16, 23*16, 29*16}, { 18*16, 23*16, 18*16, 23*16}, { 23*16, 29*16, 23*16, 29*16} } + }; + DCTELEM elem[4][4]; + int mod = rem6[QP]; + + if (QP >= 24) + { + int shift = div6[QP]-4; + + int32_t shift1[1]; + shift1[0] = shift; + ff_h264_transform_inverse_quantize_highQP_mmx(&(block[0][0]),&(V[mod][0][0]),&(elem[0][0]),shift1); + ff_h264_transform_inverse_quantize_highQP_mmx(&(block[1][0]),&(V[mod][1][0]),&(elem[1][0]),shift1); + ff_h264_transform_inverse_quantize_highQP_mmx(&(block[2][0]),&(V[mod][2][0]),&(elem[2][0]),shift1); + ff_h264_transform_inverse_quantize_highQP_mmx(&(block[3][0]),&(V[mod][3][0]),&(elem[3][0]),shift1); + + if (dontscaleDC) + elem[0][0] = block[0][0]; + } + else + { + int add = (1<<(3-div6[QP])); + int shift = (4-div6[QP]); + int32_t shift1[1]; + int32_t add2[2]; + shift1[0] = shift; + add2[0] = add; + add2[1] = add; + + ff_h264_transform_inverse_quantize_lowQP_mmx(&(block[0][0]),&(V[mod][0][0]),&(elem[0][0]),add2,shift1); + ff_h264_transform_inverse_quantize_lowQP_mmx(&(block[1][0]),&(V[mod][1][0]),&(elem[1][0]),add2,shift1); + ff_h264_transform_inverse_quantize_lowQP_mmx(&(block[2][0]),&(V[mod][2][0]),&(elem[2][0]),add2,shift1); + ff_h264_transform_inverse_quantize_lowQP_mmx(&(block[3][0]),&(V[mod][3][0]),&(elem[3][0]),add2,shift1); + if (dontscaleDC) + elem[0][0] = block[0][0]; + } + + ff_h264_idct_add_c(dst, &(elem[0][0]), stride); +} + +/** + * |ZD(i,j)| = (|YD(i,j)| MF(0,0) + 2 f) >> (qbits + 1) + * + */ +void ff_h264_hadamard_quant_4x4_mmx(DCTELEM Y[4][4], int QP) +{ + int qbits = 15 + div6[QP]; + int f2 = ((1 << qbits) / 3)*2; + int shift = (qbits + 1); + int mod = rem6[QP]; + int16_t mf = ff_h264_MF00[mod]; + int16_t MF[4]; + int32_t f[2]; + int32_t qbits2[1]; + MF[0] = mf; + MF[1] = mf; + MF[2] = mf; + MF[3] = mf; + f[0] = f2; + f[1] = f2; + qbits2[0] = shift; + + ff_h264_transform_quantize2_mmx(&(Y[0][0]), MF, &(Y[0][0]), f, qbits2); + ff_h264_transform_quantize2_mmx(&(Y[1][0]), MF, &(Y[1][0]), f, qbits2); + ff_h264_transform_quantize2_mmx(&(Y[2][0]), MF, &(Y[2][0]), f, qbits2); + ff_h264_transform_quantize2_mmx(&(Y[3][0]), MF, &(Y[3][0]), f, qbits2); +} + +/* + * Only if qpprime_y_zero_transform_bypass_flag == 0 + */ +void ff_h264_hadamard_invquant_4x4_mmx(DCTELEM Y[4][4], int QP) +{ + int mod = rem6[QP]; + + if (QP < 36) + { + int qbits = div6[QP]; + int shift = 6-qbits; + int f = (1 << (5-qbits)); + int32_t shift1[1]; + int32_t f2[2] = {f, f}; + int16_t V = ff_h264_V00[mod]; + int16_t V2[4] = {V, V, V, V}; + shift1[0] = shift; + + ff_h264_transform_inverse_quantize_lowQP_mmx(&(Y[0][0]),V2,&(Y[0][0]),f2,shift1); + ff_h264_transform_inverse_quantize_lowQP_mmx(&(Y[1][0]),V2,&(Y[1][0]),f2,shift1); + ff_h264_transform_inverse_quantize_lowQP_mmx(&(Y[2][0]),V2,&(Y[2][0]),f2,shift1); + ff_h264_transform_inverse_quantize_lowQP_mmx(&(Y[3][0]),V2,&(Y[3][0]),f2,shift1); + } + else + { + int shift = div6[QP] - 6; + int32_t shift1[1]; + int16_t V = ff_h264_V00[mod]; + int16_t V2[4] = {V, V, V, V}; + shift1[0] = shift; + + ff_h264_transform_inverse_quantize_highQP_mmx(&(Y[0][0]),V2,&(Y[0][0]),shift1); + ff_h264_transform_inverse_quantize_highQP_mmx(&(Y[1][0]),V2,&(Y[1][0]),shift1); + ff_h264_transform_inverse_quantize_highQP_mmx(&(Y[2][0]),V2,&(Y[2][0]),shift1); + ff_h264_transform_inverse_quantize_highQP_mmx(&(Y[3][0]),V2,&(Y[3][0]),shift1); + } +} + +/** + * |ZD(i,j)| = (|YD(i,j)| MF(0,0) + 2 f) >> (qbits + 1) + * + */ +void ff_h264_hadamard_quant_2x2_mmx(int16_t Y[2][2], int QP) +{ + int qbits = 15 + div6[QP]; + int f2 = ((1 << qbits) / 3)*2; + int shift = qbits+1; + int32_t shift1[1]; + int32_t f22[2] = {f2, f2}; + int16_t MF = ff_h264_MF00[rem6[QP]]; + int16_t MF2[4] = {MF, MF, MF, MF}; + shift1[0] = shift; + + ff_h264_transform_quantize_mmx(&(Y[0][0]),MF2,&(Y[0][0]),f22,shift1); +} + #define H264_WEIGHT(W,H) \ static void ff_h264_biweight_ ## W ## x ## H ## _mmx2(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset){ \ ff_h264_biweight_WxH_mmx2(dst, src, stride, log2_denom, weightd, weights, offset, W, H); \ diff --git a/tests/Makefile b/tests/Makefile index 8654744..036a7ac 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -21,7 +21,7 @@ test-server: vsynth1/0.pgm asynth1.sw @$(VPATH)/server-regression.sh $(SERVER_REFFILE) $(VPATH)/test.conf # fast regression tests for all codecs -codectest mpeg4 mpeg ac3 snow snowll: vsynth1/0.pgm vsynth2/0.pgm asynth1.sw tiny_psnr +codectest mpeg4 mpeg ac3 snow snowll ffh264: vsynth1/0.pgm vsynth2/0.pgm asynth1.sw tiny_psnr @$(VPATH)/regression.sh $@ $(REFFILE1) vsynth1 @$(VPATH)/regression.sh $@ $(REFFILE2) vsynth2 diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref index 58a141f..75447a0 100644 --- a/tests/ffmpeg.regression.ref +++ b/tests/ffmpeg.regression.ref @@ -59,6 +59,10 @@ fc01a5723a0d629bb73c74d64692120d *./data 2414342 ./data/a-h263p.avi 28fd12ac0b168252d81df6f6e60a5d17 *./data/out.yuv stddev: 2.07 PSNR:41.76 bytes:7602176 +9fbe481528de2f1b6dc3ed6ee1858419 *./data/a-ffh264.mp4 +3000506 ./data/a-ffh264.mp4 +900d635f44fd04fe94914c9d7782a4cb *./data/out.yuv +stddev: 0.68 PSNR:51.39 bytes:7602176 26bbeee40bd124d981e8fbfc5b8bee16 *./data/a-odivx.mp4 554499 ./data/a-odivx.mp4 57aed19df5cbada4b05991527ee72ebe *./data/out.yuv diff --git a/tests/regression.sh b/tests/regression.sh index 9aa1563..f64bd07 100755 --- a/tests/regression.sh +++ b/tests/regression.sh @@ -40,6 +40,8 @@ elif [ "$1" = "snow" ] ; then do_snow=y elif [ "$1" = "snowll" ] ; then do_snowll=y +elif [ "$1" = "ffh264" ] ; then + do_ffh264=y elif [ "$1" = "libavtest" ] ; then do_libav=y logfile="$datadir/libav.regression" @@ -82,6 +84,7 @@ else do_svq1=y do_snow=y do_snowll=y + do_ffh264=y do_adpcm_yam=y do_dv=y do_dv50=y @@ -297,6 +300,16 @@ do_ffmpeg $raw_dst -y -i $file -f rawvid fi ################################### +if [ -n "$do_ffh264" ] ; then +# h264 encoding +file=${outfile}ffh264.mp4 +do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec ffh264 -vtag avc1 $file + +# h264 decoding +do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst +fi + +################################### if [ -n "$do_mpeg4" ] ; then # mpeg4 file=${outfile}odivx.mp4 diff --git a/tests/rotozoom.regression.ref b/tests/rotozoom.regression.ref index 606b3ea..f95b9cc 100644 --- a/tests/rotozoom.regression.ref +++ b/tests/rotozoom.regression.ref @@ -59,6 +59,10 @@ stddev: 5.44 PSNR:33.41 bytes:7602176 868164 ./data/a-h263p.avi 80fb224bebbe2e04f228da7485b905c5 *./data/out.yuv stddev: 1.91 PSNR:42.49 bytes:7602176 +8d04a0eb38e9bc2448bdb8a1e5eac722 *./data/a-ffh264.mp4 +2219039 ./data/a-ffh264.mp4 +3003114c8857df5e7e652f1dff717470 *./data/out.yuv +stddev: 0.71 PSNR:51.06 bytes:7602176 f69bd330fd11c8f0943ab329d3099dc7 *./data/a-odivx.mp4 120150 ./data/a-odivx.mp4 e8c90899c32e11e7e4d1354dab0b8f28 *./data/out.yuv