#include "player.h"
#include "util.h"
#include "log.h"
+#include "cross.h"
#include "compose.hpp"
+#include "exceptions.h"
#include <boost/weak_ptr.hpp>
#include <boost/shared_ptr.hpp>
+#define LOG_TIMING(...) _log->log (String::compose(__VA_ARGS__), LogEntry::TYPE_TIMING);
+#define LOG_WARNING(...) _log->log (String::compose(__VA_ARGS__), LogEntry::TYPE_WARNING);
+
using std::cout;
using std::pair;
using std::make_pair;
/** Minimum audio readahead in frames; should never be reached unless there are bugs in Player */
#define MAXIMUM_AUDIO_READAHEAD (48000 * MAXIMUM_VIDEO_READAHEAD / 24)
-#define LOG_WARNING(...) _log->log (String::compose(__VA_ARGS__), LogEntry::TYPE_WARNING);
-
Butler::Butler (shared_ptr<Player> player, shared_ptr<Log> log, AudioMapping audio_mapping, int audio_channels)
: _player (player)
, _log (log)
, _disable_audio (false)
{
_player_video_connection = _player->Video.connect (bind (&Butler::video, this, _1, _2));
- _player_audio_connection = _player->Audio.connect (bind (&Butler::audio, this, _1));
+ _player_audio_connection = _player->Audio.connect (bind (&Butler::audio, this, _1, _2));
+ _player_text_connection = _player->Text.connect (bind (&Butler::text, this, _1, _2, _3));
+ _player_changed_connection = _player->Changed.connect (bind (&Butler::player_changed, this));
_thread = new boost::thread (bind (&Butler::thread, this));
#ifdef DCPOMATIC_LINUX
pthread_setname_np (_thread->native_handle(), "butler");
/* Create some threads to do work on the PlayerVideos we are creating; at present this is used to
multi-thread JPEG2000 decoding.
*/
+
+ LOG_TIMING("start-prepare-threads %1", boost::thread::hardware_concurrency());
for (size_t i = 0; i < boost::thread::hardware_concurrency(); ++i) {
_prepare_pool.create_thread (bind (&boost::asio::io_service::run, &_prepare_service));
}
bool
Butler::should_run () const
{
+ if (_video.size() >= MAXIMUM_VIDEO_READAHEAD * 10) {
+ /* This is way too big */
+ throw ProgrammingError
+ (__FILE__, __LINE__, String::compose ("Butler video buffers reached %1 frames (audio is %2)", _video.size(), _audio.size()));
+ }
+
+ if (_audio.size() >= MAXIMUM_AUDIO_READAHEAD * 10) {
+ /* This is way too big */
+ throw ProgrammingError
+ (__FILE__, __LINE__, String::compose ("Butler audio buffers reached %1 frames (video is %2)", _audio.size(), _video.size()));
+ }
+
if (_video.size() >= MAXIMUM_VIDEO_READAHEAD * 2) {
LOG_WARNING ("Butler video buffers reached %1 frames (audio is %2)", _video.size(), _audio.size());
}
return r;
}
+optional<pair<PlayerText, DCPTimePeriod> >
+Butler::get_closed_caption ()
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ return _closed_caption.get ();
+}
+
void
Butler::seek (DCPTime position, bool accurate)
{
boost::mutex::scoped_lock lm (_mutex);
+ seek_unlocked (position, accurate);
+}
+
+void
+Butler::seek_unlocked (DCPTime position, bool accurate)
+{
if (_died) {
return;
}
- _video.clear ();
- _audio.clear ();
+ {
+ boost::mutex::scoped_lock lm (_buffers_mutex);
+ _video.clear ();
+ _audio.clear ();
+ _closed_caption.clear ();
+ }
+
_finished = false;
_pending_seek_position = position;
_pending_seek_accurate = accurate;
shared_ptr<PlayerVideo> video = weak_video.lock ();
/* If the weak_ptr cannot be locked the video obviously no longer requires any work */
if (video) {
+ LOG_TIMING("start-prepare in %1", thread_id());
video->prepare ();
+ LOG_TIMING("finish-prepare in %1", thread_id());
}
}
Butler::video (shared_ptr<PlayerVideo> video, DCPTime time)
{
boost::mutex::scoped_lock lm (_mutex);
+
if (_pending_seek_position) {
/* Don't store any video while a seek is pending */
return;
}
_prepare_service.post (bind (&Butler::prepare, this, weak_ptr<PlayerVideo>(video)));
+
+ boost::mutex::scoped_lock lm2 (_buffers_mutex);
_video.put (video, time);
}
void
-Butler::audio (shared_ptr<AudioBuffers> audio)
+Butler::audio (shared_ptr<AudioBuffers> audio, DCPTime time)
{
{
boost::mutex::scoped_lock lm (_mutex);
}
}
- _audio.put (remap (audio, _audio_channels, _audio_mapping));
+ boost::mutex::scoped_lock lm2 (_buffers_mutex);
+ _audio.put (remap (audio, _audio_channels, _audio_mapping), time);
}
/** Try to get `frames' frames of audio and copy it into `out'. Silence
* will be filled if no audio is available.
- * @return true if there was a buffer underrun, otherwise false.
+ * @return time of this audio, or unset if there was a buffer underrun.
*/
-bool
+optional<DCPTime>
Butler::get_audio (float* out, Frame frames)
{
- bool const underrun = _audio.get (out, _audio_channels, frames);
+ optional<DCPTime> t = _audio.get (out, _audio_channels, frames);
_summon.notify_all ();
- return underrun;
+ return t;
}
void
/* XXX: should also look at _audio.memory_used() */
return _video.memory_used();
}
+
+void
+Butler::player_changed ()
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_died || _pending_seek_position) {
+ return;
+ }
+
+ DCPTime seek_to;
+ DCPTime next = _video.get().second;
+ if (_awaiting && _awaiting > next) {
+ /* We have recently done a player_changed seek and our buffers haven't been refilled yet,
+ so assume that we're seeking to the same place as last time.
+ */
+ seek_to = *_awaiting;
+ } else {
+ seek_to = next;
+ }
+
+ {
+ boost::mutex::scoped_lock lm (_buffers_mutex);
+ _video.clear ();
+ _audio.clear ();
+ _closed_caption.clear ();
+ }
+
+ _finished = false;
+ _summon.notify_all ();
+
+ seek_unlocked (seek_to, true);
+ _awaiting = seek_to;
+}
+
+void
+Butler::text (PlayerText pt, TextType type, DCPTimePeriod period)
+{
+ if (type != TEXT_CLOSED_CAPTION) {
+ return;
+ }
+
+ boost::mutex::scoped_lock lm2 (_buffers_mutex);
+ _closed_caption.put (make_pair(pt, period));
+}