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| author | Wolfgang Hesseler <qv@multimediaware.com> | 2004-02-25 18:29:17 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2004-02-25 18:29:17 +0000 |
| commit | 8289c6faa801181882d361789c80a01ca82e2622 (patch) | |
| tree | bc8bf0a67e6a62a6947b5e2af4b63ecedc1cbe8e /libavcodec | |
| parent | 5a815088d3341431eacbcb232bc8fa29296cbd0c (diff) | |
| download | ffmpeg-8289c6faa801181882d361789c80a01ca82e2622.tar.gz | |
export DCT coefficients patch by (Wolfgang Hesseler <wolfgang.hesseler at imk dot fraunhofer dot de>)
Originally committed as revision 2816 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/avcodec.h | 11 | ||||
| -rw-r--r-- | libavcodec/mpegvideo.c | 13 |
2 files changed, 22 insertions, 2 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 4f15221a33..f406829134 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -17,7 +17,7 @@ extern "C" { #define FFMPEG_VERSION_INT 0x000408 #define FFMPEG_VERSION "0.4.8" -#define LIBAVCODEC_BUILD 4704 +#define LIBAVCODEC_BUILD 4705 #define LIBAVCODEC_VERSION_INT FFMPEG_VERSION_INT #define LIBAVCODEC_VERSION FFMPEG_VERSION @@ -529,6 +529,13 @@ typedef struct AVPanScan{ * - decoding: set by lavc (before get_buffer() call))\ */\ int buffer_hints;\ +\ + /**\ + * DCT coeffitients\ + * - encoding: unused\ + * - decoding: set by lavc\ + */\ + short *dct_coeff;\ #define FF_QSCALE_TYPE_MPEG1 0 #define FF_QSCALE_TYPE_MPEG2 1 @@ -1138,7 +1145,7 @@ typedef struct AVCodecContext { #define FF_DEBUG_MB_TYPE 8 #define FF_DEBUG_QP 16 #define FF_DEBUG_MV 32 -//#define FF_DEBUG_VIS_MV 0x00000040 +#define FF_DEBUG_DCT_COEFF 0x00000040 #define FF_DEBUG_SKIP 0x00000080 #define FF_DEBUG_STARTCODE 0x00000100 #define FF_DEBUG_PTS 0x00000200 diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 3ce01c43aa..93c7198294 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -354,6 +354,9 @@ static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){ } pic->motion_subsample_log2= 3; } + if(s->avctx->debug&FF_DEBUG_DCT_COEFF) { + CHECKED_ALLOCZ(pic->dct_coeff, 64 * mb_array_size * sizeof(DCTELEM)*6) + } pic->qstride= s->mb_stride; CHECKED_ALLOCZ(pic->pan_scan , 1 * sizeof(AVPanScan)) } @@ -385,6 +388,7 @@ static void free_picture(MpegEncContext *s, Picture *pic){ av_freep(&pic->mbskip_table); av_freep(&pic->qscale_table); av_freep(&pic->mb_type_base); + av_freep(&pic->dct_coeff); av_freep(&pic->pan_scan); pic->mb_type= NULL; for(i=0; i<2; i++){ @@ -3080,6 +3084,15 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64]) mb_x = s->mb_x; mb_y = s->mb_y; + if(s->avctx->debug&FF_DEBUG_DCT_COEFF) { + /* save DCT coefficients */ + int i,j; + DCTELEM *dct = &s->current_picture.dct_coeff[mb_xy*64*6]; + for(i=0; i<6; i++) + for(j=0; j<64; j++) + *dct++ = block[i][s->dsp.idct_permutation[j]]; + } + s->current_picture.qscale_table[mb_xy]= s->qscale; /* update DC predictors for P macroblocks */ |