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avcodec/mpeg12dec: Reinit upon chroma_format change

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-04-30 18:42:43 +02:00
parent 1f0af6b592
commit 53a012145a
1 changed files with 3 additions and 1 deletions
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4
libavcodec/mpeg12dec.c
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@ -80,7 +80,7 @@ typedef struct Mpeg1Context {
int has_afd;
int slice_count;
unsigned aspect_ratio_info;
int save_width, save_height, save_progressive_seq;
int save_width, save_height, save_progressive_seq, save_chroma_format;
AVRational frame_rate_ext; /* MPEG-2 specific framerate modificator */
unsigned frame_rate_index;
int sync; /* Did we reach a sync point like a GOP/SEQ/KEYFrame? */
@ -917,6 +917,7 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
avctx->coded_height != s->height ||
s1->save_width != s->width ||
s1->save_height != s->height ||
s1->save_chroma_format != s->chroma_format ||
(s1->save_progressive_seq != s->progressive_sequence && FFALIGN(s->height, 16) != FFALIGN(s->height, 32)) ||
0) {
if (s->context_initialized)
@ -936,6 +937,7 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
s1->save_width = s->width;
s1->save_height = s->height;
s1->save_progressive_seq = s->progressive_sequence;
s1->save_chroma_format = s->chroma_format;
/* low_delay may be forced, in this case we will have B-frames
* that behave like P-frames. */