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-rw-r--r--src/pcm_channels.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/pcm_channels.h b/src/pcm_channels.h
index 25c13d839..bc4e4e3b0 100644
--- a/src/pcm_channels.h
+++ b/src/pcm_channels.h
@@ -59,4 +59,21 @@ pcm_convert_channels_24(struct pcm_buffer *buffer,
int8_t src_channels, const int32_t *src,
size_t src_size, size_t *dest_size_r);
+/**
+ * Changes the number of channels in 32 bit PCM data.
+ *
+ * @param buffer the destination pcm_buffer object
+ * @param dest_channels the number of channels requested
+ * @param src_channels the number of channels in the source buffer
+ * @param src the source PCM buffer
+ * @param src_size the number of bytes in #src
+ * @param dest_size_r returns the number of bytes of the destination buffer
+ * @return the destination buffer
+ */
+const int32_t *
+pcm_convert_channels_32(struct pcm_buffer *buffer,
+ int8_t dest_channels,
+ int8_t src_channels, const int32_t *src,
+ size_t src_size, size_t *dest_size_r);
+
#endif