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comparison liboggplayer-src/src/imp.hpp @ 2:105513a2e3c9

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Import liboggplayer source.
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 05 Aug 2013 13:50:20 +0300
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children 083c73ceb716
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1:3562f296deb0 2:105513a2e3c9
1 #include <oggplayer.h>
2 #include "SDL_audiocvt.hpp"
3 #include <fstream>
4 #include <vector>
5 #include <theora/theora.h>
6 #include <vorbis/codec.h>
7 #include <boost/thread.hpp>
8 #include <boost/bind.hpp>
9 #include <boost/thread/mutex.hpp>
10 #include <boost/thread/locks.hpp>
11 #include <boost/thread/condition.hpp>
12 #include <boost/circular_buffer.hpp>
13 #include <boost/timer.hpp>
14
15 struct OggPlayer::Imp {
16
17 Imp() :
18 cirbuf(0),video_lock(video_mut, boost::defer_lock){
19 failbit = false;
20 playing = false;
21 need_close = false;
22 time_factor = 1;
23 refs = 1;
24 }
25
26 ~Imp() {
27 // open() tears down the partial setup on fail
28 if (!failbit)
29 close();
30 }
31 int queue_page(ogg_page * page);
32 bool buffer_data();
33 double get_time();
34 void close();
35 bool init_decoders();
36 bool parse_headers();
37 void open(std::string path, AudioFormat audio_format, int channels,
38 int rate, VideoFormat video_format);
39 bool decode_audio();
40 bool decode_video();
41 bool ready();
42 void play();
43 void play_loop();
44
45 bool failbit;
46 std::ifstream file_in;
47
48 int theora_p;
49 int vorbis_p;
50
51 ogg_sync_state o_sync;
52
53 vorbis_comment v_comment;
54 theora_info t_info;
55 theora_comment t_comment;
56 vorbis_info v_info;
57
58 ogg_page o_page;
59 ogg_packet o_packet;
60
61 ogg_stream_state o_tsstate;
62 ogg_stream_state o_vsstate;
63
64 theora_state t_state;
65 vorbis_dsp_state v_state;
66 vorbis_block v_block;
67
68 int pp_level_max;
69 int pp_level;
70 int pp_inc;
71
72 char* audio_buffer;
73 boost::circular_buffer<char> cirbuf;
74 unsigned int audio_buffer_size;
75 SDL_AudioCVT cvt;
76
77 bool playing;
78
79 boost::thread play_thread;
80 boost::mutex audio_mut;
81 boost::mutex video_mut;
82 boost::condition_variable audio_ready_cond;
83 boost::condition_variable video_ready_cond;
84
85 bool videobuf_ready;
86 double videobuf_time;
87
88 bool audio_cache_ready;
89
90 // This lock should only be used from the main thread
91 boost::unique_lock<boost::mutex> video_lock;
92 // These variables are used to identify the frames (not just count them, not a debug variable)
93 // see video_buffer_try_lock and video_read
94 int frame;
95 int last_frame_read;
96
97 int audio_bytes_played;
98 struct AudioGranulePos {
99 int pos;
100 double set_time;
101 };
102 std::deque<AudioGranulePos> audio_granule_poses;
103 double time_factor;
104
105 struct PixelFormat{
106 void set(int r,int g,int b,int bpp){
107 r_offset = r;
108 g_offset = g;
109 b_offset = b;
110 this->bpp =bpp;
111 }
112 int r_offset;
113 int g_offset;
114 int b_offset;
115 // if bpp=4 we have an alpha channel at offset 4
116 int bpp;
117
118 } pixel_format;
119 bool need_close;
120 boost::timer timer;
121 int refs;
122 };