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avcodec/svq3: Improve returning last picture

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Use av_frame_move_ref() instead of av_frame_ref().
This allows to remove the separate variable for whether
we have already returned the delayed last pic. It also
makes stream looping work when looping multiple times;
previously the delayed pic was only output the first time,
because last_frame_output was never reset.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-05-15 04:48:54 +02:00
parent b98128898a
commit b6f84cd72a
1 changed files with 2 additions and 6 deletions
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8
libavcodec/svq3.c
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@ -104,7 +104,6 @@ typedef struct SVQ3Context {
int adaptive_quant;
int h_edge_pos;
int v_edge_pos;
int last_frame_output;
int slice_num;
int qscale;
int cbp;
@ -1398,11 +1397,8 @@ static int svq3_decode_frame(AVCodecContext *avctx, AVFrame *rframe,
/* special case for last picture */
if (buf_size == 0) {
if (s->next_pic->f->data[0] && !s->low_delay && !s->last_frame_output) {
ret = av_frame_ref(rframe, s->next_pic->f);
if (ret < 0)
return ret;
s->last_frame_output = 1;
if (s->next_pic->f->data[0] && !s->low_delay) {
av_frame_move_ref(rframe, s->next_pic->f);
*got_frame = 1;
}
return 0;