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-rw-r--r--src/pulsecore/sample-util.h18
1 files changed, 14 insertions, 4 deletions
diff --git a/src/pulsecore/sample-util.h b/src/pulsecore/sample-util.h
index 2ef8f924..59b4c632 100644
--- a/src/pulsecore/sample-util.h
+++ b/src/pulsecore/sample-util.h
@@ -30,10 +30,18 @@
#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 +78,6 @@ 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