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Code Issues Releases Activity

avcodec/jpeg2000dec: Implement FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM

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This could be improved further by not allocating the buffers
that won't be needed lateron in the first place.

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2022-09-23 17:37:41 +02:00
parent d5a0dc037d
commit 793282adc2
1 changed files with 6 additions and 0 deletions
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6
libavcodec/jpeg2000dec.c
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@@ -2523,6 +2523,11 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, AVFrame *picture,
avctx->sample_aspect_ratio = s->sar; avctx->sample_aspect_ratio = s->sar;
s->sar.num = s->sar.den = 0; s->sar.num = s->sar.den = 0;
if (avctx->skip_frame >= AVDISCARD_ALL) {
jpeg2000_dec_cleanup(s);
return avpkt->size;
}
/* get picture buffer */ /* get picture buffer */
if ((ret = ff_thread_get_buffer(avctx, picture, 0)) < 0) if ((ret = ff_thread_get_buffer(avctx, picture, 0)) < 0)
goto end; goto end;
@@ -2587,4 +2592,5 @@ const FFCodec ff_jpeg2000_decoder = {
.p.priv_class = &jpeg2000_class, .p.priv_class = &jpeg2000_class,
.p.max_lowres = 5, .p.max_lowres = 5,
.p.profiles = NULL_IF_CONFIG_SMALL(ff_jpeg2000_profiles), .p.profiles = NULL_IF_CONFIG_SMALL(ff_jpeg2000_profiles),
.caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
}; };