audio_playback.h

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#include "../types.h"
 
struct audio_desc;
struct audio_frame;
 
#ifdef __cplusplus
extern "C" {
#else
#include <stdbool.h>
#endif
 
#define AUDIO_PLAYBACK_ABI_VERSION 11
 
#define AUDIO_PLAYBACK_CTL_QUERY_FORMAT     1
#define AUDIO_PLAYBACK_CTL_MULTIPLE_STREAMS 2
#define AUDIO_PLAYBACK_PUT_NETWORK_DEVICE   3
 
struct audio_playback_info {
        device_probe_func probe;
        void *(*init)(const char *cfg); 
        void (*write)(void *state, const struct audio_frame *frame);
        bool (*ctl)(void *state, int request, void *data, size_t *len);
        bool (*reconfigure)(void *state, struct audio_desc);
        void (*done)(void *state);
};
 
struct state_audio_playback;
 
void                            audio_playback_help(bool full);
void                            audio_playback_init_devices(void);
int                             audio_playback_init(const char *device, const char *cfg,
                struct state_audio_playback **);
struct state_audio_playback    *audio_playback_init_null_device(void);
 
bool audio_playback_ctl(struct state_audio_playback *s, int request, void *data, size_t *len);
 
bool audio_playback_reconfigure(struct state_audio_playback *state,
                                int quant_samples, int channels,
                                int sample_rate);
void                            audio_playback_put_frame(struct state_audio_playback *state, const struct audio_frame *frame);
void                            audio_playback_finish(struct state_audio_playback *state);
void                            audio_playback_done(struct state_audio_playback *state);
 
unsigned int                    audio_playback_get_display_flags(struct state_audio_playback *s);
 
void                       *audio_playback_get_state_pointer(struct state_audio_playback *s);
 
#ifdef __cplusplus
}
#endif
 
/* vim: set expandtab sw=8: */