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authorNicolas George <george@nsup.org>2015-11-27 18:57:27 +0100
committerNicolas George <george@nsup.org>2015-12-03 19:16:12 +0100
commit3ab1e5a48c53fdecdf50d177d20b6476094cec68 (patch)
tree57e7b466084caf2b500ed854d5a967581e3d8239 /libavformat/utils.c
parent64f7db554ee83846f207e82a08946a6a5a6acfe2 (diff)
lavf: add FFERROR_REDO to let demuxers return no packet.
Diffstat (limited to 'libavformat/utils.c')
-rw-r--r--libavformat/utils.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 973256f2f2..e93a1920c9 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -680,6 +680,11 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
av_init_packet(pkt);
ret = s->iformat->read_packet(s, pkt);
if (ret < 0) {
+ /* Some demuxers return FFERROR_REDO when they consume
+ data and discard it (ignored streams, junk, extradata).
+ We must re-call the demuxer to get the real packet. */
+ if (ret == FFERROR_REDO)
+ continue;
if (!pktl || ret == AVERROR(EAGAIN))
return ret;
for (i = 0; i < s->nb_streams; i++) {