diff options
Diffstat (limited to 'src/ReadMedia.h')
| -rw-r--r-- | src/ReadMedia.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/ReadMedia.h b/src/ReadMedia.h new file mode 100644 index 0000000..d0a7627 --- /dev/null +++ b/src/ReadMedia.h @@ -0,0 +1,220 @@ +#ifndef _READMEDIA_H_ +#define _READMEDIA_H_ + +#include <stdio.h> +#include <stdlib.h> +#include <pthread.h> +#include "FifoAudioFrames.h" +#include "FifoVideoFrames.h" + + +#ifndef _AVDEC_H_ +#define _AVDEC_H_ +extern "C" { +#include <avdec.h> +} +#endif + + +#define STATE_EMPTY 0 +#define STATE_OPENING 1 +#define STATE_READY 2 + +#define SRC_MAX 256.0 +#define SRC_MIN 1/256.0 + +#define CMD_START 3 +#define CMD_NULL 0 +#define CMD_OPEN 1 +#define CMD_QUIT 2 + +class ReadMedia { + + public: + ReadMedia(); + ~ReadMedia(); + + void openFile( char * filename, int vfifosize, int afifosize, int samples_per_frame); + + int decodeAudio( gavl_audio_frame_t *af); + int decodeVideo( gavl_video_frame_t *vf); + + bool isReady(); // see if file is loaded or not + bool getEOF(); + + bool rewind(); + bool rewindNoFlush(); + bool frameSeek(int64_t frames); + bool pcmSeek(int64_t samples); + bool timeSeek(double seconds); + + int getAudioSamplerate(); + int getAudioChannelCount(); + int getVideoTimescale(); + int getVideoFrameDuration(); + + double getLengthInSeconds(); + int64_t getLengthInAudioSamples(); + int64_t getLengthInVideoFrames(); + + int getAudioStreamCount(); + int getVideoStreamCount(); + + // this is used to sync AV frames + void pealOffVideoFrames(int howmany); + + void dump() { lockState(); if (m_file != NULL) bgav_dump(m_file); unlockState(); }; + + double getATimeInSeconds(); + double getVTimeInSeconds(); + float getTimeInSeconds(); + float getAudioFifoSizePercentage(); + + void copyAudioFormat(gavl_audio_format_t * dst ); + void copyVideoFormat(gavl_video_format_t * dst ); + void setLoop( bool b); + bool getLoop(); + + + //||||||||||||||||||||||||||||||||||||||||||||||||||||||||| + // NON-PUBLIC public functions + //||||||||||||||||||||||||||||||||||||||||||||||||||||||||| + + int64_t pcmSeek(); + int64_t frameSeek(); + //bool seek(gavl_time_t gt); + + void killAVThreads(); + bool startAVThreads(); + void setAudioStreamCount(int s); + void setVideoStreamCount(int s); + + FifoAudioFrames * getAudioFifo(); + FifoVideoFrames * getVideoFifo(); + + bgav_t * getFile(); + char * getFilename(); + + gavl_audio_frame_t * getAudioFrame(); + gavl_video_frame_t * getVideoFrame(); + + void closeFile(); + void clearFile(); + + void setState(int b); + int getState(); + gavl_audio_format_t * getAudioFormat() { return &m_audio_format;}; + gavl_video_format_t * getVideoFormat() { return &m_video_format;}; + + void setCommand( int c); + int getCommand(); + + void setAEOF(bool b); + void setVEOF(bool b); + bool getAEOF(); + bool getVEOF(); + + int getSamplesPerFrame(); + + int lockAV(); + int unlockAV(); + //int lockAV(const char *s); + //int unlockAV(const char *s); + int lockState(); + int unlockState(); + //int lockState(const char *s); + //int unlockState(const char *s); + + + void waitA(); + void waitV(); + void signalAV(); + void signalA(); + void signalV(); + void waitDispatch(); + void signalDispatcher(); + + bool initFormat(); + + void setOpenCallback(void (*oc)(void *), void *v ); + void callOpenCallback(); + + void setBufferCallback( bgav_buffer_callback bc, void *v ); + + bool quitAVThreads(); + + private: + bool quit_av_threads; + // callbacks for open, input buffer etc. + void * m_open_callback_data; + void (* m_open_callback)(void * v); + bgav_buffer_callback m_buffer_callback; + void * m_buffer_callback_data; + + // end of file for audio and video + bool m_aeof; + bool m_veof; + + // seek vars + int64_t m_pcm_seek; + int64_t m_frame_seek; + + double m_length_in_seconds; + int64_t m_num_samples; + int64_t m_num_frames; + + // command for dispatcher thread + int m_cmd; + + // internal state of media reader and + // current filename + int m_state; + char m_filename[1024]; + bool m_loop; + + + // current time of audio in seconds + double m_atime; + double m_vtime; + + int m_afifosize; + int m_vfifosize; + int m_audio_stream_count; + int m_video_stream_count; + + bgav_t * m_file; + bgav_options_t * m_opt; + + // audio stuff + gavl_audio_frame_t * m_audio_frame; + gavl_audio_format_t m_audio_format; + + //video stuff + gavl_video_frame_t * m_video_frame; + gavl_video_format_t m_video_format; + + FifoAudioFrames *m_fifoaudio; + FifoVideoFrames *m_fifovideo; + + int m_audio_thread_ret; + int m_video_thread_ret; + int m_dispatcher_thread_ret; + + pthread_t m_thread_fillaudiofifo; + pthread_t m_thread_fillvideofifo; + pthread_t m_thread_dispatch; + + pthread_mutex_t m_condmut_a; + pthread_mutex_t m_condmut_v; + pthread_mutex_t m_condmut_dispatch; + + pthread_mutex_t m_state_mut; + pthread_mutex_t m_av_mut; + + pthread_cond_t m_cond_a; + pthread_cond_t m_cond_v; + pthread_cond_t m_cond_dispatch; + +}; + +#endif |