ffmpeg_decoder.h File Reference

🎞️ FFmpeg-based media decoder for video and audio streams More...

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Typedefs
typedef struct ffmpeg_decoder_t	ffmpeg_decoder_t
	Opaque FFmpeg decoder handle.

Functions
ffmpeg_decoder_t *	ffmpeg_decoder_create (const char *path)
	Create FFmpeg decoder from file path.
ffmpeg_decoder_t *	ffmpeg_decoder_create_stdin (void)
	Create FFmpeg decoder from stdin.
void	ffmpeg_decoder_destroy (ffmpeg_decoder_t *decoder)
	Destroy FFmpeg decoder and free resources.
asciichat_error_t	ffmpeg_decoder_start_prefetch (ffmpeg_decoder_t *decoder)
	Start background frame prefetching thread.
void	ffmpeg_decoder_stop_prefetch (ffmpeg_decoder_t *decoder)
	Stop background frame prefetching thread.
void	ffmpeg_decoder_set_exit_callback (ffmpeg_decoder_t *decoder, bool(*should_exit_callback)(void *), void *user_data)
	Set exit signal callback for graceful shutdown during I/O.
bool	ffmpeg_decoder_is_prefetch_running (ffmpeg_decoder_t *decoder)
	Check if background frame prefetching thread is running.
image_t *	ffmpeg_decoder_read_video_frame (ffmpeg_decoder_t *decoder)
	Decode next video frame.
bool	ffmpeg_decoder_has_video (ffmpeg_decoder_t *decoder)
	Check if decoder has video stream.
asciichat_error_t	ffmpeg_decoder_get_video_dimensions (ffmpeg_decoder_t *decoder, int *width, int *height)
	Get video dimensions.
double	ffmpeg_decoder_get_video_fps (ffmpeg_decoder_t *decoder)
	Get video frame rate.
size_t	ffmpeg_decoder_read_audio_samples (ffmpeg_decoder_t *decoder, float *buffer, size_t num_samples)
	Decode audio samples.
bool	ffmpeg_decoder_has_audio (ffmpeg_decoder_t *decoder)
	Check if decoder has audio stream.
asciichat_error_t	ffmpeg_decoder_rewind (ffmpeg_decoder_t *decoder)
	Seek to beginning of media.
asciichat_error_t	ffmpeg_decoder_seek_to_timestamp (ffmpeg_decoder_t *decoder, double timestamp_sec)
	Seek to specific timestamp in media.
bool	ffmpeg_decoder_at_end (ffmpeg_decoder_t *decoder)
	Check if decoder reached end of stream.
double	ffmpeg_decoder_get_duration (ffmpeg_decoder_t *decoder)
	Get media duration in seconds.
double	ffmpeg_decoder_get_position (ffmpeg_decoder_t *decoder)
	Get current playback position in seconds.

Detailed Description

🎞️ FFmpeg-based media decoder for video and audio streams

Definition in file ffmpeg_decoder.h.