diff options
Diffstat (limited to 'src/lib/butler.cc')
| -rw-r--r-- | src/lib/butler.cc | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/lib/butler.cc b/src/lib/butler.cc index 01c1ec4f8..ea195b5d5 100644 --- a/src/lib/butler.cc +++ b/src/lib/butler.cc @@ -33,6 +33,8 @@ using boost::optional; /** Video readahead in frames */ #define VIDEO_READAHEAD 10 +/** Audio readahead in frames */ +#define AUDIO_READAHEAD 48000 Butler::Butler (weak_ptr<const Film> film, shared_ptr<Player> player, AudioMapping audio_mapping, int audio_channels) : _film (film) @@ -69,7 +71,7 @@ try boost::mutex::scoped_lock lm (_mutex); /* Wait until we have something to do */ - while ((_video.size() >= VIDEO_READAHEAD && !_pending_seek_position) || _stop_thread) { + while ((_video.size() >= VIDEO_READAHEAD && _audio.size() >= AUDIO_READAHEAD && !_pending_seek_position) || _stop_thread) { _summon.wait (lm); } @@ -79,11 +81,11 @@ try _pending_seek_position = optional<DCPTime> (); } - /* Fill _video. Don't try to carry on if a pending seek appears + /* Fill _video and _audio. Don't try to carry on if a pending seek appears while lm is unlocked, as in that state nothing will be added to - _video. + _video/_audio. */ - while (_video.size() < VIDEO_READAHEAD && !_pending_seek_position && !_stop_thread) { + while ((_video.size() < VIDEO_READAHEAD || _audio.size() < AUDIO_READAHEAD) && !_pending_seek_position && !_stop_thread) { lm.unlock (); if (_player->pass ()) { _finished = true; @@ -145,7 +147,15 @@ Butler::video (shared_ptr<PlayerVideo> video, DCPTime time) void Butler::audio (shared_ptr<AudioBuffers> audio, DCPTime time) { + { + boost::mutex::scoped_lock lm (_mutex); + if (_pending_seek_position) { + /* Don't store any audio while a seek is pending */ + return; + } + } + _audio.put (audio, time); } void |