diff options
Diffstat (limited to 'apps/pcmbuf.h')
-rw-r--r-- | apps/pcmbuf.h | 69 |
1 files changed, 24 insertions, 45 deletions
diff --git a/apps/pcmbuf.h b/apps/pcmbuf.h index 1d893f9c62..f8e69055be 100644 --- a/apps/pcmbuf.h +++ b/apps/pcmbuf.h @@ -21,58 +21,37 @@ #ifndef PCMBUF_H #define PCMBUF_H -#define PCMBUF_TARGET_CHUNK 32768 /* This is the target fill size of chunks - on the pcm buffer */ -#define PCMBUF_MINAVG_CHUNK 24576 /* This is the minimum average size of - chunks on the pcm buffer (or we run out - of buffer descriptors, which is - non-fatal) */ -#define PCMBUF_MIN_CHUNK 4096 /* We try to never feed a chunk smaller than - this to the DMA */ -#define PCMBUF_MIX_CHUNK 8192 /* This is the maximum size of one packet - for mixing (crossfade or voice) */ +/* playback */ +size_t pcmbuf_init(unsigned char *bufend); +void pcmbuf_play_start(void); +void pcmbuf_play_stop(void); +void pcmbuf_pause(bool pause); +void pcmbuf_start_track_change(bool manual_skip); +void *pcmbuf_request_buffer(int *count); +void pcmbuf_write_complete(int count); -/* Returns true if the buffer needs to change size */ +/* crossfade */ +bool pcmbuf_is_crossfade_active(void); +void pcmbuf_request_crossfade_enable(bool on_off); bool pcmbuf_is_same_size(void); -size_t pcmbuf_init(unsigned char *bufend); -/* Size in bytes used by the pcmbuffer */ + +/* voice */ +void *pcmbuf_request_voice_buffer(int *count); +void pcmbuf_write_voice_complete(int count); + +/* debug menu, other metrics */ +size_t pcmbuf_free(void); size_t pcmbuf_get_bufsize(void); +int pcmbuf_descs(void); +int pcmbuf_used_descs(void); #ifdef ROCKBOX_HAS_LOGF -/* just used for logging for now */ -unsigned char * pcmbuf_get_meminfo(size_t *length); +unsigned char *pcmbuf_get_meminfo(size_t *length); #endif -void pcmbuf_pause(bool pause); -void pcmbuf_play_stop(void); -bool pcmbuf_is_crossfade_active(void); - -/* These functions are for playing chained buffers of PCM data */ -#if defined(HAVE_ADJUSTABLE_CPU_FREQ) -void pcmbuf_boost(bool state); -void pcmbuf_set_boost_mode(bool state); -#else -#define pcmbuf_boost(state) do { } while(0) -#define pcmbuf_set_boost_mode(state) do { } while(0) -#endif +/* misc */ +void pcmbuf_beep(unsigned int frequency, size_t duration, int amplitude); bool pcmbuf_is_lowdata(void); -void pcmbuf_play_start(void); -bool pcmbuf_crossfade_init(bool manual_skip); -void pcmbuf_start_track_change(void); -size_t pcmbuf_free(void); -unsigned long pcmbuf_get_latency(void); void pcmbuf_set_low_latency(bool state); -void * pcmbuf_request_buffer(int *count); -void pcmbuf_write_complete(int count); -void * pcmbuf_request_voice_buffer(int *count); -void pcmbuf_write_voice_complete(int count); -bool pcmbuf_is_crossfade_enabled(void); -void pcmbuf_crossfade_enable(bool on_off); -void pcmbuf_crossfade_enable_finished(void); -int pcmbuf_usage(void); -int pcmbuf_mix_free(void); -void pcmbuf_beep(unsigned int frequency, size_t duration, int amplitude); - -int pcmbuf_used_descs(void); -int pcmbuf_descs(void); +unsigned long pcmbuf_get_latency(void); #endif |