diff options
Diffstat (limited to 'src/pulsecore/sink-input.h')
| -rw-r--r-- | src/pulsecore/sink-input.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/pulsecore/sink-input.h b/src/pulsecore/sink-input.h index a101828f..7d405640 100644 --- a/src/pulsecore/sink-input.h +++ b/src/pulsecore/sink-input.h @@ -83,8 +83,12 @@ struct pa_sink_input { int muted; /* Returns the chunk of audio data (but doesn't drop it - * yet!). Returns -1 on failure. Called from IO thread context. */ - int (*peek) (pa_sink_input *i, pa_memchunk *chunk); + * yet!). Returns -1 on failure. Called from IO thread context. If + * data needs to be generated from scratch then please in the + * specified length. This is an optimization only. If less data is + * available, it's fine to return a smaller block. If more data is + * already ready, it is better to return the full block.*/ + int (*peek) (pa_sink_input *i, size_t length, pa_memchunk *chunk); /* Drops the specified number of bytes, usually called right after * peek(), but not necessarily. Called from IO thread context. */ @@ -217,7 +221,7 @@ pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i); /* To be used exclusively by the sink driver thread */ -int pa_sink_input_peek(pa_sink_input *i, pa_memchunk *chunk, pa_cvolume *volume); +int pa_sink_input_peek(pa_sink_input *i, size_t length, pa_memchunk *chunk, pa_cvolume *volume); void pa_sink_input_drop(pa_sink_input *i, size_t length); int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); |