pcm_format: implement conversion to float

1 files changed, 15 insertions, 0 deletions

diff --git a/src/pcm_format.h b/src/pcm_format.h
index 54cc3202..48bcd066 100644
--- a/src/pcm_format.h
+++ b/src/pcm_format.h
@@ -75,4 +75,19 @@ pcm_convert_to_32(struct pcm_buffer *buffer,
 		  enum sample_format src_format, const void *src,
 		  size_t src_size, size_t *dest_size_r);
 
+/**
+ * Converts PCM samples to 32 bit floating point.
+ *
+ * @param buffer a pcm_buffer object
+ * @param bits the number of in the source buffer
+ * @param src the source PCM buffer
+ * @param src_size the size of #src in bytes
+ * @param dest_size_r returns the number of bytes of the destination buffer
+ * @return the destination buffer
+ */
+const float *
+pcm_convert_to_float(struct pcm_buffer *buffer,
+		     enum sample_format src_format, const void *src,
+		     size_t src_size, size_t *dest_size_r);
+
 #endif