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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: codec_id is always AV_CODEC_ID_MPEG4 for mpeg4_decode_mb(), as the MPEG-4 decoder is the only decoder for which ff_mpeg4_decode_picture_header() as well as decode_init() are ever called and these are the only places where the decode_mb function pointer is ever set to mpeg4_decode_mb(). ff_mpeg4_workaround_bugs() is also only called for the MPEG-4 decoder (the caller checks the codec id). (ff_mpeg4_decode_picture_header() is also called for the MPEG-4 parser, but it never uses the decode_mb function pointer.) Signed-off-by: Andreas Rheinhardt --- I hope this commit message is detailed enough now. libavcodec/mpeg4videodec.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index aeb0d003ec..b4e2c09706 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -1648,6 +1648,7 @@ static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64]) int16_t *mot_val; static const int8_t quant_tab[4] = { -1, -2, 1, 2 }; const int xy = s->mb_x + s->mb_y * s->mb_stride; + int next; av_assert2(s == (void*)ctx); av_assert2(s->h263_pred); @@ -1999,8 +2000,7 @@ intra: end: /* per-MB end of slice check */ - if (s->codec_id == AV_CODEC_ID_MPEG4) { - int next = mpeg4_is_resync(ctx); + next = mpeg4_is_resync(ctx); if (next) { if (s->mb_x + s->mb_y*s->mb_width + 1 > next && (s->avctx->err_recognition & AV_EF_AGGRESSIVE)) { return AVERROR_INVALIDDATA; @@ -2019,7 +2019,6 @@ end: return SLICE_END; } - } return SLICE_OK; } @@ -3084,7 +3083,6 @@ int ff_mpeg4_workaround_bugs(AVCodecContext *avctx) ctx->divx_version, ctx->divx_build, s->divx_packed ? "p" : ""); if (CONFIG_MPEG4_DECODER && ctx->xvid_build >= 0 && - s->codec_id == AV_CODEC_ID_MPEG4 && avctx->idct_algo == FF_IDCT_AUTO) { avctx->idct_algo = FF_IDCT_XVID; ff_mpv_idct_init(s); -- 2.34.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".