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player: enable demuxer thread for external audio files

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Enable asynchronous reading for external files. This excludes subtitle
files (so it's effectively enabled for audio files only), because most
subtitle files are fully read on loading, and running a thread for them
would just cause slowdowns and increase resource usage, without having
any advantages.

In theory, an external file could provide multiple tracks from the same
demuxer, but demux_start_thread() is idempotent, so the code can be
kept simple.

Should help with playing DASH with ytdl_hook.
This commit is contained in:
wm4 2015-01-10 00:41:37 +01:00 committed by Diogo Franco (Kovensky)
parent c56b237b3c
commit 38903486fb
1 changed files with 9 additions and 0 deletions
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9
player/loadfile.c
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@ -241,6 +241,15 @@ static void enable_demux_thread(struct MPContext *mpctx)
if (mpctx->demuxer && mpctx->opts->demuxer_thread) {
demux_set_wakeup_cb(mpctx->demuxer, wakeup_demux, mpctx);
demux_start_thread(mpctx->demuxer);
for (int n = 0; n < mpctx->num_tracks; n++) {
struct track *track = mpctx->tracks[n];
if (track->is_external && track->stream &&
track->stream->type != STREAM_SUB)
{
demux_set_wakeup_cb(track->demuxer, wakeup_demux, mpctx);
demux_start_thread(track->demuxer);
}
}
}
}