diff options
Diffstat (limited to 'libavcodec/mpeg12.c')
| -rw-r--r-- | libavcodec/mpeg12.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index 718d52ae5e..697eebb091 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -1676,6 +1676,7 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y, const uint8_t **buf, int buf_size) { AVCodecContext *avctx = s->avctx; + const int lowres = s->avctx->lowres; const int field_pic = s->picture_structure != PICT_FRAME; s->resync_mb_x = @@ -1798,14 +1799,14 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y, } } - s->dest[0] += 16; - s->dest[1] += 16 >> s->chroma_x_shift; - s->dest[2] += 16 >> s->chroma_x_shift; + s->dest[0] += 16 >> lowres; + s->dest[1] +=(16 >> lowres) >> s->chroma_x_shift; + s->dest[2] +=(16 >> lowres) >> s->chroma_x_shift; ff_MPV_decode_mb(s, s->block); if (++s->mb_x >= s->mb_width) { - const int mb_size = 16; + const int mb_size = 16 >> s->avctx->lowres; ff_draw_horiz_band(s, mb_size*(s->mb_y >> field_pic), mb_size); ff_MPV_report_decode_progress(s); @@ -2590,6 +2591,7 @@ AVCodec ff_mpeg1video_decoder = { CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS, .flush = flush, + .max_lowres = 3, .long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"), .update_thread_context = ONLY_IF_THREADS_ENABLED(mpeg_decode_update_thread_context) }; @@ -2606,6 +2608,7 @@ AVCodec ff_mpeg2video_decoder = { CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS, .flush = flush, + .max_lowres = 3, .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"), .profiles = NULL_IF_CONFIG_SMALL(mpeg2_video_profiles), }; |