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demux_lavf: add some hacks for SDP

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Just the usual guess-what-opaque-ffmpeg-thing-supports.

See #5550. It looks like we can reduce packet drop by having the cache
enabled automatically.
This commit is contained in:
wm4
2018-03-02 19:07:12 +01:00
committed by Jan Ekström
parent 8ce5e794fb
commit 0200a71e2f
1 changed files with 6 additions and 0 deletions
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6
demux/demux_lavf.c
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@@ -136,6 +136,8 @@ struct format_hack {
bool clear_filepos : 1;
bool ignore_start : 1;
bool fix_editlists : 1;
bool is_network : 1;
bool no_seek : 1;
};
#define BLACKLIST(fmt) {fmt, .ignore = true}
@@ -153,6 +155,7 @@ static const struct format_hack format_hacks[] = {
{"hls", .no_stream = true, .clear_filepos = true},
{"dash", .no_stream = true, .clear_filepos = true},
{"sdp", .clear_filepos = true, .is_network = true, .no_seek = true},
{"mpeg", .use_stream_ids = true},
{"mpegts", .use_stream_ids = true},
@@ -935,6 +938,9 @@ static int demux_open_lavf(demuxer_t *demuxer, enum demux_check check)
demuxer->seekable = false;
#endif
demuxer->is_network |= priv->format_hack.is_network;
demuxer->seekable &= !priv->format_hack.no_seek;
if (priv->avfc->duration > 0) {
demuxer->duration = (double)priv->avfc->duration / AV_TIME_BASE;
} else {