[FFmpeg-cvslog] avcodec/pdvdec: honor the requested avctx->skip_frame value

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Thu Apr 20 12:50:01 2023 -0300| [adeb5b6c67f84ba3a6b527c374e9d41129473b22] | committer: James Almer

avcodec/pdvdec: honor the requested avctx->skip_frame value

The decoder is tagged as being FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, so might as
well make use of it.

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=adeb5b6c67f84ba3a6b527c374e9d41129473b22
---

 libavcodec/pdvdec.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/pdvdec.c b/libavcodec/pdvdec.c
index d1a3d1d3f9..b1fc19b1c9 100644
--- a/libavcodec/pdvdec.c
+++ b/libavcodec/pdvdec.c
@@ -64,6 +64,11 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
     uint8_t *dst, *prev = prev_frame->data[0];
     int ret, zret;
 
+    if (avctx->skip_frame >= AVDISCARD_ALL ||
+        (avctx->skip_frame >= AVDISCARD_NONINTRA &&
+         !(avpkt->flags & AV_PKT_FLAG_KEY)))
+        return avpkt->size;
+
     zret = inflateReset(zstream);
     if (zret != Z_OK) {
         av_log(avctx, AV_LOG_ERROR, "Could not reset inflate: %d.\n", zret);