Mercurial > hg > forks > bilotrip-mj12
annotate liboggplayer-src/src/play.cpp @ 60:9c63b355c82b
Remove the audio code completely.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Tue, 06 Aug 2013 23:45:05 +0300 |
| parents | 3eacedd172ab |
| children |
| rev | line source |
|---|---|
| 2 | 1 #include "imp.hpp" |
| 2 | |
| 3 bool OggPlayer::Imp::ready() { | |
|
14
083c73ceb716
Get rid of the vorbis related code.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
4 return true; |
| 2 | 5 } |
| 6 // similar to decode_audio | |
| 7 bool OggPlayer::Imp::decode_video() { | |
| 8 bool was_ready=videobuf_ready; | |
| 9 boost::unique_lock<boost::mutex> lock(video_mut, boost::defer_lock); | |
| 10 ogg_int64_t videobuf_granulepos = -1; | |
| 11 if (!videobuf_ready){ | |
| 12 if(!lock.try_lock()) | |
| 13 return false; | |
| 14 } | |
| 15 while (!videobuf_ready) { | |
| 16 // theora is one in, one out... | |
| 17 if (ogg_stream_packetout(&o_tsstate, &o_packet) > 0) { | |
| 18 | |
| 19 if(pp_inc){ | |
| 20 pp_level+=pp_inc; | |
| 21 theora_control(&t_state,TH_DECCTL_SET_PPLEVEL,&pp_level,sizeof(pp_level)); | |
| 22 pp_inc=0; | |
| 23 } | |
| 24 if (o_packet.granulepos >= 0) { | |
| 25 theora_control(&t_state, TH_DECCTL_SET_GRANPOS, | |
| 26 &o_packet.granulepos, sizeof(o_packet.granulepos)); | |
| 27 } | |
| 28 if (theora_decode_packetin(&t_state, &o_packet) == 0) { | |
| 29 videobuf_granulepos = t_state.granulepos; | |
| 30 videobuf_time = theora_granule_time(&t_state, videobuf_granulepos); | |
| 31 | |
| 32 if (videobuf_time >= get_time()){ | |
| 33 videobuf_ready = true; | |
| 34 frame++; | |
| 35 } | |
| 36 else { | |
| 37 // If we are too slow, reduce the pp level. | |
| 38 pp_inc=pp_level>0?-1:0; | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 } else | |
| 43 break; | |
| 44 } | |
| 45 lock.unlock(); | |
| 46 if(videobuf_ready!=was_ready) | |
| 47 video_ready_cond.notify_one(); | |
| 48 | |
| 49 return !videobuf_ready; | |
| 50 } | |
| 51 | |
| 52 void OggPlayer::Imp::play_loop() { | |
| 53 if(!file_in.is_open()) return; | |
| 54 bool video_need_data = theora_p; | |
| 55 timer.restart(); | |
| 56 // buffer_data() will close the file on eof | |
|
60
9c63b355c82b
Remove the audio code completely.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
57 while ((file_in.is_open() || !video_need_data) && playing) { |
| 2 | 58 if (theora_p && !videobuf_ready) { |
| 59 video_need_data = decode_video(); | |
| 60 } | |
| 61 | |
| 62 // are we at or past time for this video frame? | |
| 63 if (videobuf_ready && videobuf_time <= get_time()) { | |
| 64 videobuf_ready = false; | |
| 65 } | |
| 66 // if no data yet for somebody, grab another page | |
|
60
9c63b355c82b
Remove the audio code completely.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
67 if (file_in.is_open() && (video_need_data)) { |
| 2 | 68 // buffer_data() can handle eof itself |
| 69 buffer_data(); | |
| 70 while (ogg_sync_pageout(&o_sync, &o_page) > 0) { | |
| 71 queue_page(&o_page); | |
| 72 } | |
| 73 video_need_data = false; | |
| 74 } | |
| 75 } | |
| 76 playing = false; | |
| 77 | |
| 78 // do not risk a lock | |
| 79 video_ready_cond.notify_one(); | |
| 80 | |
| 81 // cleanup | |
| 82 close(); | |
| 83 } | |
| 84 | |
| 85 void OggPlayer::Imp::play() { | |
| 86 playing = true; | |
| 87 play_thread = boost::thread(boost::bind(&OggPlayer::Imp::play_loop, this)); | |
| 88 } | |
| 89 |