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00015 #ifndef FFMPEGAUDIOCURSOR_H
00016 #define FFMPEGAUDIOCURSOR_H
00017
00018 #include "pandabase.h"
00019
00020 #ifdef HAVE_FFMPEG
00021
00022 #include "movieAudioCursor.h"
00023 #include "namable.h"
00024 #include "texture.h"
00025 #include "pointerTo.h"
00026 #include "ffmpegVirtualFile.h"
00027
00028 class FfmpegAudio;
00029 struct AVFormatContext;
00030 struct AVCodecContext;
00031 struct AVStream;
00032 struct AVPacket;
00033
00034
00035
00036
00037
00038 class EXPCL_PANDA_MOVIES FfmpegAudioCursor : public MovieAudioCursor {
00039 friend class FfmpegAudio;
00040
00041 PUBLISHED:
00042 FfmpegAudioCursor(FfmpegAudio *src);
00043 virtual ~FfmpegAudioCursor();
00044 virtual void seek(double offset);
00045
00046 public:
00047 virtual void read_samples(int n, PN_int16 *data);
00048
00049 protected:
00050 void fetch_packet();
00051 bool reload_buffer();
00052 void cleanup();
00053 Filename _filename;
00054 int _initial_dts;
00055 AVPacket *_packet;
00056 int _packet_size;
00057 unsigned char *_packet_data;
00058 AVFormatContext *_format_ctx;
00059 AVCodecContext *_audio_ctx;
00060 FfmpegVirtualFile _ffvfile;
00061 int _audio_index;
00062 double _audio_timebase;
00063
00064 PN_int16 *_buffer;
00065 int _buffer_size;
00066 PN_int16 *_buffer_alloc;
00067 int _buffer_head;
00068 int _buffer_tail;
00069
00070 public:
00071 static TypeHandle get_class_type() {
00072 return _type_handle;
00073 }
00074 static void init_type() {
00075 TypedWritableReferenceCount::init_type();
00076 register_type(_type_handle, "FfmpegAudioCursor",
00077 MovieAudioCursor::get_class_type());
00078 }
00079 virtual TypeHandle get_type() const {
00080 return get_class_type();
00081 }
00082 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00083
00084 private:
00085 static TypeHandle _type_handle;
00086 };
00087
00088 #include "ffmpegAudioCursor.I"
00089
00090 #endif // HAVE_FFMPEG
00091 #endif // FFMPEG_AUDIO.H