From 4538523a2999ee36e19f3f09a8ca5328185f9a67 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 28 Oct 2009 23:26:48 +0100 Subject: libpulse: introduce pa_context_get_tile_size() call --- src/pulse/context.h | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) (limited to 'src/pulse/context.h') diff --git a/src/pulse/context.h b/src/pulse/context.h index ecff58df..6ac8ee56 100644 --- a/src/pulse/context.h +++ b/src/pulse/context.h @@ -255,12 +255,28 @@ pa_operation *pa_context_proplist_remove(pa_context *c, const char *const keys[] uint32_t pa_context_get_index(pa_context *s); /** Create a new timer event source for the specified time (wrapper - for mainloop->time_new). \since 0.9.16 */ + * for mainloop->time_new). \since 0.9.16 */ pa_time_event* pa_context_rttime_new(pa_context *c, pa_usec_t usec, pa_time_event_cb_t cb, void *userdata); -/** Restart a running or expired timer event source (wrapper - for mainloop->time_restart). \since 0.9.16 */ + +/** Restart a running or expired timer event source (wrapper for + * mainloop->time_restart). \since 0.9.16 */ void pa_context_rttime_restart(pa_context *c, pa_time_event *e, pa_usec_t usec); +/* Return the optimal block size for passing around audio buffers. It + * is recommended to allocate buffers of the size returned here when + * writing audio data to playback streams, if the latency constraints + * permit this. It is not recommended writing larger blocks than this + * because usually they will then be split up internally into chunks + * of this size. It is not recommended writing smaller blocks than + * this (unless required due to latency demands) because this + * increases CPU usage. If ss is NULL you will be returned the + * byte-exact tile size. If you pass a valid ss, then the tile size + * will be rounded down to multiple of the frame size. This is + * supposed to be used in a construct such as + * pa_context_get_tile_size(pa_stream_get_context(s), + * pa_stream_get_sample_spec(ss)); \since 0.9.20 */ +size_t pa_context_get_tile_size(pa_context *c, const pa_sample_spec *ss); + PA_C_DECL_END #endif -- cgit