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authorMax Kellermann <max@duempel.org>2011-10-08 13:41:39 +0200
committerMax Kellermann <max@duempel.org>2011-10-20 02:24:25 +0200
commit725e48fce4e4ad08a2a9aa0a64c3e79df5636108 (patch)
tree48c95e6a1ce0fd0a4b6c3b4e08218e2cbceb357b /src/pcm_resample.h
parent43816c268ba71b0946986f28146213aac99c9872 (diff)
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pcm_resample: add function pcm_resample_float()
A version of the resampler that doesn't need int->float->int conversion.
Diffstat (limited to '')
-rw-r--r--src/pcm_resample.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/pcm_resample.h b/src/pcm_resample.h
index 73f98ec01..24fa1d044 100644
--- a/src/pcm_resample.h
+++ b/src/pcm_resample.h
@@ -69,6 +69,26 @@ void pcm_resample_init(struct pcm_resample_state *state);
void pcm_resample_deinit(struct pcm_resample_state *state);
/**
+ * Resamples 32 bit float data.
+ *
+ * @param state an initialized pcm_resample_state object
+ * @param channels the number of channels
+ * @param src_rate the source sample rate
+ * @param src the source PCM buffer
+ * @param src_size the size of #src in bytes
+ * @param dest_rate the requested destination sample rate
+ * @param dest_size_r returns the number of bytes of the destination buffer
+ * @return the destination buffer
+ */
+const float *
+pcm_resample_float(struct pcm_resample_state *state,
+ unsigned channels,
+ unsigned src_rate,
+ const float *src_buffer, size_t src_size,
+ unsigned dest_rate, size_t *dest_size_r,
+ GError **error_r);
+
+/**
* Resamples 16 bit PCM data.
*
* @param state an initialized pcm_resample_state object