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avformat/flvdec: RtmpSampleAccess no longer breaks stream detection

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Since release 4.2, FFmpeg fails to detect the correct streams in an RTMP
stream that contains a |RtmpSampleAccess AMF object prior to the
onMetaData AMF object. In the debug log it would show "[flv] Unknown
type |RtmpSampleAccess".

This functionality broke in commit d7638d8dfc
as unknown metadata packets now result in an opaque data stream, and the
|RtmpSampleAccess packet was an "unknown" metadata packet type.

With this change the RTMP streams are correctly detected when there
is a |RtmpSampleAccess object prior to the onMetaData object.

Signed-off-by: Peter van der Spek <p.vanderspek@bluebillywig.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Peter van der Spek 2020-08-19 09:06:54 +02:00 committed by Michael Niedermayer
parent eb6bb8f32f
commit c476cfd7ec
1 changed files with 1 additions and 1 deletions
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2
libavformat/flvdec.c
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@ -715,7 +715,7 @@ static int flv_read_metabody(AVFormatContext *s, int64_t next_pos)
if (!strcmp(buffer, "onCaptionInfo"))
return TYPE_ONCAPTIONINFO;
if (strcmp(buffer, "onMetaData") && strcmp(buffer, "onCuePoint")) {
if (strcmp(buffer, "onMetaData") && strcmp(buffer, "onCuePoint") && strcmp(buffer, "|RtmpSampleAccess")) {
av_log(s, AV_LOG_DEBUG, "Unknown type %s\n", buffer);
return TYPE_UNKNOWN;
}