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#include <SDL_thread.h>
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#include <ffmpeg/avformat.h>
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#define MAX_SOURCENAME 1024
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#define MAX_AUDIOQ_SIZE (5 * 16 * 1024)
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/* SDL audio buffer size, in samples. Should be small to have precise
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A/V sync as SDL does not have hardware buffer fullness info. */
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#define SDL_AUDIO_BUFFER_SIZE 1024
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/* no AV sync correction is done if below the AV sync threshold */
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#define AV_SYNC_THRESHOLD 0.08
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/* no AV correction is done if too big error */
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#define AV_NOSYNC_THRESHOLD 10.0
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/* maximum audio speed change to get correct sync */
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#define SAMPLE_CORRECTION_PERCENT_MAX 10
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/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
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#define AUDIO_DIFF_AVG_NB 20
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/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
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#define SAMPLE_ARRAY_SIZE (2*65536)
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typedef struct PacketQueue {
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AVPacketList *first_pkt, *last_pkt;
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typedef struct FFMovie {
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SDL_Thread *decode_thread;
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AVFormatContext *context;
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double external_clock; /* external clock base */
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int64_t external_clock_time;
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double audio_diff_cum; /* used for AV difference average computation */
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double audio_diff_avg_coef;
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double audio_diff_threshold;
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int audio_diff_avg_count;
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int audio_hw_buf_size;
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/* samples output by the codec. we reserve more space for avsync compensation */
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uint8_t audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
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int audio_buf_size; /* in bytes */
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int audio_buf_index; /* in bytes */
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uint8_t *audio_pkt_data;
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int64_t audio_pkt_ipts;
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int audio_volume; /*must self implement*/
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int16_t sample_array[SAMPLE_ARRAY_SIZE];
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int sample_array_index;
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double frame_last_pts;
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double frame_last_delay;
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double frame_delay; /*display time of each frame, based on fps*/
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double video_clock; /*seconds of video frame decoded*/
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int64_t vidpkt_timestamp;
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double video_last_P_pts; /* pts of the last P picture (needed if B
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frames are present) */
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double video_current_pts; /* current displayed pts (different from
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video_clock if frame fifos are used) */
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SDL_mutex *dest_mutex;
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double dest_showtime; /*when to next show the dest_overlay*/
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SDL_Overlay *dest_overlay;
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SDL_Surface *dest_surface;
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double time_offset; /*track paused time*/
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const char *sourcename;
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FFMovie *ffmovie_open(const char *filename);
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FFMovie *ffmovie_reopen(FFMovie *movie);
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void ffmovie_close(FFMovie *movie);
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void ffmovie_play(FFMovie *movie);
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void ffmovie_stop(FFMovie *movie);
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void ffmovie_pause(FFMovie *movie);
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void ffmovie_setvolume(FFMovie *movie, int volume);
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void ffmovie_setdisplay(FFMovie *movie, SDL_Surface *dest, SDL_Rect *rect);
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void ffmovie_abortall(void);
added
removed
src/ffmovie.h
