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| author | Michael Niedermayer <michaelni@gmx.at> | 2004-02-23 20:56:56 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2004-02-23 20:56:56 +0000 |
| commit | c62c07d3d7d204527bfa991bac1204cbb593747b (patch) | |
| tree | 207c61727f1c992fe1a05eef9c96a7cc34f6d143 /libavcodec/mpegvideo.c | |
| parent | c0a2c42f59329811fc08a2c982d394ab49204b01 (diff) | |
| download | ffmpeg-c62c07d3d7d204527bfa991bac1204cbb593747b.tar.gz | |
multithreaded mpeg2 decoding
Originally committed as revision 2810 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpegvideo.c')
| -rw-r--r-- | libavcodec/mpegvideo.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index e92022b0cc..3b36f97244 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -468,13 +468,17 @@ static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src){ #undef COPY } -static void update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){ +void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){ MpegEncContext bak; + int i; //FIXME copy only needed parts //START_TIMER backup_duplicate_context(&bak, dst); memcpy(dst, src, sizeof(MpegEncContext)); backup_duplicate_context(dst, &bak); + for(i=0;i<12;i++){ + dst->pblocks[i] = (short *)(&dst->block[i]); + } //STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads } @@ -4632,7 +4636,7 @@ static void encode_picture(MpegEncContext *s, int picture_number) s->mb_intra=0; //for the rate distoration & bit compare functions for(i=1; i<s->avctx->thread_count; i++){ - update_duplicate_context(s->thread_context[i], s); + ff_update_duplicate_context(s->thread_context[i], s); } /* Estimate motion for every MB */ |