AC3 passthrough support

[pulseaudio] / src / pulsecore / sample-util.h

diff --git a/src/pulsecore/sample-util.h b/src/pulsecore/sample-util.h
index 6a306c11a919e7d5c428b9623cc5d8cb92e4e93e..d0235d6084ef14210a065ceebe9ce3fd4641e6af 100644 (file)
--- a/src/pulsecore/sample-util.h
+++ b/src/pulsecore/sample-util.h
@@ -86,6 +86,13 @@ void pa_memchunk_dump_to_file(pa_memchunk *c, const char *fn);
 
 void pa_memchunk_sine(pa_memchunk *c, pa_mempool *pool, unsigned rate, unsigned freq);
 
+typedef void (*pa_do_volume_func_t) (void *samples, void *volumes, unsigned channels, unsigned length);
+
+pa_do_volume_func_t pa_get_volume_func(pa_sample_format_t f);
+void pa_set_volume_func(pa_sample_format_t f, pa_do_volume_func_t func);
+
+size_t pa_convert_size(size_t size, const pa_sample_spec *from, const pa_sample_spec *to);
+
 #define PA_CHANNEL_POSITION_MASK_LEFT                                   \
     (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_LEFT)           \
      | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_REAR_LEFT)          \