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Set protocol-level metadata in AVFormatContext any time a packet is read.

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If any option named "metadata" is set inside the context, it is pulled up to
the context and then the option is cleared.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Andrew Stone 2014-07-31 19:56:37 -04:00 committed by Anton Khirnov
parent 7e38903b5c
commit 019d3fccc4
1 changed files with 9 additions and 0 deletions
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9
libavformat/utils.c
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@ -892,6 +892,7 @@ static int read_from_packet_buffer(AVPacketList **pkt_buffer,
static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
{
int ret = 0, i, got_packet = 0;
AVDictionary *metadata = NULL;
av_init_packet(pkt);
@ -967,6 +968,14 @@ static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
if (!got_packet && s->parse_queue)
ret = read_from_packet_buffer(&s->parse_queue, &s->parse_queue_end, pkt);
av_opt_get_dict_val(s, "metadata", AV_OPT_SEARCH_CHILDREN, &metadata);
if (metadata) {
s->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED;
av_dict_copy(&s->metadata, metadata, 0);
av_dict_free(&metadata);
av_opt_set_dict_val(s, "metadata", NULL, AV_OPT_SEARCH_CHILDREN);
}
if (s->debug & FF_FDEBUG_TS)
av_log(s, AV_LOG_DEBUG,
"read_frame_internal stream=%d, pts=%"PRId64", dts=%"PRId64", "