This could be improved further by not allocating the buffers
that won't be needed lateron in the first place.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/jpeg2000dec.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index c3f2a7aa03..63a706fbf5 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -2523,6 +2523,11 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx,
AVFrame *picture,
avctx->sample_aspect_ratio = s->sar;
s->sar.num = s->sar.den = 0;
+ if (avctx->skip_frame >= AVDISCARD_ALL) {
+ jpeg2000_dec_cleanup(s);
+ return 0;
+ }
+
/* get picture buffer */
if ((ret = ff_thread_get_buffer(avctx, picture, 0)) < 0)
goto end;
@@ -2587,4 +2592,5 @@ const FFCodec ff_jpeg2000_decoder = {
.p.priv_class = &jpeg2000_class,
.p.max_lowres = 5,
.p.profiles = NULL_IF_CONFIG_SMALL(ff_jpeg2000_profiles),
+ .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
};
--
2.34.1
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