X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/b0a68fd09ff6fa62accdc29307c5f445cc054a94..0b428e7cb1efdd7330b89a9855f08c45bfa98307:/src/pulsecore/sample-util.h

diff --git a/src/pulsecore/sample-util.h b/src/pulsecore/sample-util.h
index 2ef8f924..cef70750 100644
--- a/src/pulsecore/sample-util.h
+++ b/src/pulsecore/sample-util.h
@@ -1,8 +1,6 @@
 #ifndef foosampleutilhfoo
 #define foosampleutilhfoo
 
-/* $Id$ */
-
 /***
   This file is part of PulseAudio.
 
@@ -30,10 +28,18 @@
 #include <pulsecore/memblock.h>
 #include <pulsecore/memchunk.h>
 
-pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec);
-pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spec, size_t length);
-void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec);
-void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec);
+typedef struct pa_silence_cache {
+    pa_memblock* blocks[PA_SAMPLE_MAX];
+} pa_silence_cache;
+
+void pa_silence_cache_init(pa_silence_cache *cache);
+void pa_silence_cache_done(pa_silence_cache *cache);
+
+void *pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec);
+pa_memchunk* pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec);
+pa_memblock* pa_silence_memblock(pa_memblock *b, const pa_sample_spec *spec);
+
+pa_memchunk* pa_silence_memchunk_get(pa_silence_cache *cache, pa_mempool *pool, pa_memchunk* ret, const pa_sample_spec *spec, size_t length);
 
 typedef struct pa_mix_info {
     pa_memchunk chunk;
@@ -70,4 +76,6 @@ int pa_frame_aligned(size_t l, const pa_sample_spec *ss) PA_GCC_PURE;
 void pa_interleave(const void *src[], unsigned channels, void *dst, size_t ss, unsigned n);
 void pa_deinterleave(const void *src, void *dst[], unsigned channels, size_t ss, unsigned n);
 
+void pa_sample_clamp(pa_sample_format_t format, void *dst, size_t dstr, const void *src, size_t sstr, unsigned n);
+
 #endif