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ogg: update event_flags with STREAM_/METADATA_UPDATED whenever metadata changes.

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Originally, AVFormatContext and a metadata dict were provided to ff_vorbis_comment(),
but this presented issues if an AVStream was being updated or the metadata on
AVFormatContext wasn't actually being updated. To remedy this, ff_vorbis_stream_comment()
explicitly updates a stream's metadata and sets any necessary flags.

ff_vorbis_comment() does not modify any flags, and any calls to it that update
AVFormatContext's metadata (just a single call) must also update
AVFormatContext.event_flags after detecting any metadata changes to the provided
dictionary, as signaled by a positive return value.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Andrew Stone
2014-08-12 17:03:55 -04:00
committed by Anton Khirnov
parent cc3e88a2b9
commit db68ef898a
9 changed files with 32 additions and 11 deletions
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libavformat/oggparseogm.c
+1 -1
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@@ -97,7 +97,7 @@ ogm_header(AVFormatContext *s, int idx)
} else if (bytestream2_peek_byte(&p) == 3) {
bytestream2_skip(&p, 7);
if (bytestream2_get_bytes_left(&p) > 1)
ff_vorbis_comment(s, &st->metadata, p.buffer, bytestream2_get_bytes_left(&p) - 1, 1);
ff_vorbis_stream_comment(s, st, p.buffer, bytestream2_get_bytes_left(&p) - 1);
}
return 1;