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authorMax Kellermann <max@duempel.org>2009-03-02 16:37:05 +0100
committerMax Kellermann <max@duempel.org>2009-03-02 16:37:05 +0100
commit78e08f655ac88bda3225cb41d85f0b1c38770be4 (patch)
tree519add596cac85026642128354acfc695e685962 /src
parentd9c143429822e00da3aa8139f7cbd02807d7a645 (diff)
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pcm_dither: renamed struct pcm_dither_24 to struct pcm_dither
There is nothing 24 bit specific in the pcm_dither_24 struct. Since we want to reuse the struct for 32 bit dithering, let's drop the "_24" suffix from the struct name.
Diffstat (limited to 'src')
-rw-r--r--src/pcm_convert.h2
-rw-r--r--src/pcm_dither.c4
-rw-r--r--src/pcm_dither.h6
-rw-r--r--src/pcm_format.c4
-rw-r--r--src/pcm_format.h7
5 files changed, 11 insertions, 12 deletions
diff --git a/src/pcm_convert.h b/src/pcm_convert.h
index 35bbdad5c..b22731e08 100644
--- a/src/pcm_convert.h
+++ b/src/pcm_convert.h
@@ -33,7 +33,7 @@ struct audio_format;
struct pcm_convert_state {
struct pcm_resample_state resample;
- struct pcm_dither_24 dither;
+ struct pcm_dither dither;
/** the buffer for converting the sample format */
struct pcm_buffer format_buffer;
diff --git a/src/pcm_dither.c b/src/pcm_dither.c
index 2b4c8ab50..c6f10dd30 100644
--- a/src/pcm_dither.c
+++ b/src/pcm_dither.c
@@ -20,7 +20,7 @@
#include "pcm_prng.h"
static int16_t
-pcm_dither_sample_24_to_16(int32_t sample, struct pcm_dither_24 *dither)
+pcm_dither_sample_24_to_16(int32_t sample, struct pcm_dither *dither)
{
int32_t output, rnd;
@@ -69,7 +69,7 @@ pcm_dither_sample_24_to_16(int32_t sample, struct pcm_dither_24 *dither)
}
void
-pcm_dither_24_to_16(struct pcm_dither_24 *dither,
+pcm_dither_24_to_16(struct pcm_dither *dither,
int16_t *dest, const int32_t *src,
unsigned num_samples)
{
diff --git a/src/pcm_dither.h b/src/pcm_dither.h
index cda81e034..b0c0304ee 100644
--- a/src/pcm_dither.h
+++ b/src/pcm_dither.h
@@ -21,20 +21,20 @@
#include <stdint.h>
-struct pcm_dither_24 {
+struct pcm_dither {
int32_t error[3];
int32_t random;
};
static inline void
-pcm_dither_24_init(struct pcm_dither_24 *dither)
+pcm_dither_24_init(struct pcm_dither *dither)
{
dither->error[0] = dither->error[1] = dither->error[2] = 0;
dither->random = 0;
}
void
-pcm_dither_24_to_16(struct pcm_dither_24 *dither,
+pcm_dither_24_to_16(struct pcm_dither *dither,
int16_t *dest, const int32_t *src,
unsigned num_samples);
diff --git a/src/pcm_format.c b/src/pcm_format.c
index 0e0b2dfce..205966a6e 100644
--- a/src/pcm_format.c
+++ b/src/pcm_format.c
@@ -33,7 +33,7 @@ pcm_convert_8_to_16(int16_t *out, const int8_t *in,
}
static void
-pcm_convert_24_to_16(struct pcm_dither_24 *dither,
+pcm_convert_24_to_16(struct pcm_dither *dither,
int16_t *out, const int32_t *in,
unsigned num_samples)
{
@@ -41,7 +41,7 @@ pcm_convert_24_to_16(struct pcm_dither_24 *dither,
}
const int16_t *
-pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither_24 *dither,
+pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither *dither,
uint8_t bits, const void *src,
size_t src_size, size_t *dest_size_r)
{
diff --git a/src/pcm_format.h b/src/pcm_format.h
index 32279faef..53547df5d 100644
--- a/src/pcm_format.h
+++ b/src/pcm_format.h
@@ -23,14 +23,14 @@
#include <stddef.h>
struct pcm_buffer;
-struct pcm_dither_24;
+struct pcm_dither;
/**
* Converts PCM samples to 16 bit. If the source format is 24 bit,
* then dithering is applied.
*
* @param buffer a pcm_buffer object
- * @param dither a pcm_dither_24 object for 24-to-16 conversion
+ * @param dither a pcm_dither object for 24-to-16 conversion
* @param bits the number of in the source buffer
* @param src the source PCM buffer
* @param src_size the size of #src in bytes
@@ -38,7 +38,7 @@ struct pcm_dither_24;
* @return the destination buffer
*/
const int16_t *
-pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither_24 *dither,
+pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither *dither,
uint8_t bits, const void *src,
size_t src_size, size_t *dest_size_r);
@@ -46,7 +46,6 @@ pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither_24 *dither,
* Converts PCM samples to 24 bit (32 bit alignment).
*
* @param buffer a pcm_buffer object
- * @param dither a pcm_dither_24 object for 24-to-16 conversion
* @param bits the number of in the source buffer
* @param src the source PCM buffer
* @param src_size the size of #src in bytes