There are only two mpegvideo decoders that use another
(software) pixel format than YUV420: MPEG-1/2 and
the MPEG-4 studio profile. Neither of these use this part
of the code, so one can optimize the 422 code away when
this code is compiled for the decoder.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/mpv_reconstruct_mb_template.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/mpv_reconstruct_mb_template.c
b/libavcodec/mpv_reconstruct_mb_template.c
index e39b3d0e73..257767e80b 100644
--- a/libavcodec/mpv_reconstruct_mb_template.c
+++ b/libavcodec/mpv_reconstruct_mb_template.c
@@ -172,7 +172,8 @@ void mpv_reconstruct_mb_internal(MpegEncContext *s, int16_t
block[12][64],
add_dequant_dct(s, block[3], 3, dest_y + dct_offset +
block_size, dct_linesize, s->qscale);
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
- if (s->chroma_y_shift) {
+ av_assert2(IS_ENCODER || s->chroma_y_shift);
+ if (!IS_ENCODER || s->chroma_y_shift) {
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize,
s->chroma_qscale);
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize,
s->chroma_qscale);
} else {
--
2.40.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
