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-rw-r--r--src/pulsecore/sample-util.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/pulsecore/sample-util.c b/src/pulsecore/sample-util.c
index 411787af..c8e7acf0 100644
--- a/src/pulsecore/sample-util.c
+++ b/src/pulsecore/sample-util.c
@@ -38,13 +38,25 @@
#include "sample-util.h"
#include "endianmacros.h"
+#define PA_SILENCE_MAX (1024*1024*1)
+
pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spec, size_t length) {
+ size_t fs;
assert(pool);
assert(spec);
if (length == 0)
length = pa_bytes_per_second(spec)/20; /* 50 ms */
+ if (length > PA_SILENCE_MAX)
+ length = PA_SILENCE_MAX;
+
+ fs = pa_frame_size(spec);
+ length = ((PA_SILENCE_MAX+fs-1) / fs) * fs;
+
+ if (length <= 0)
+ length = fs;
+
return pa_silence_memblock(pa_memblock_new(pool, length), spec);
}