Author: titmuss
Date: Wed May 7 13:05:37 2008
New Revision: 2434
URL: http://svn.slimdevices.com?rev=2434&root=Jive&view=rev
Log:
Bug: N/A
Description:
Added Int24Padded to Float32 converter, for osx.
Modified:
7.2/trunk/squeezeplay/src/portaudio_v19_1360/src/common/pa_converters.c
Modified:
7.2/trunk/squeezeplay/src/portaudio_v19_1360/src/common/pa_converters.c
URL:
http://svn.slimdevices.com/7.2/trunk/squeezeplay/src/portaudio_v19_1360/src/common/pa_converters.c?rev=2434&root=Jive&r1=2433&r2=2434&view=diff
==============================================================================
--- 7.2/trunk/squeezeplay/src/portaudio_v19_1360/src/common/pa_converters.c
(original)
+++ 7.2/trunk/squeezeplay/src/portaudio_v19_1360/src/common/pa_converters.c Wed
May 7 13:05:37 2008
@@ -1200,6 +1200,8 @@
}
}
+
+
/* --------------------------------------------------------------------------
*/
static void Int24Padded_To_Float32(
@@ -1207,13 +1209,31 @@
void *sourceBuffer, signed int sourceStride,
unsigned int count, struct PaUtilTriangularDitherGenerator
*ditherGenerator )
{
- (void) destinationBuffer; /* unused parameters */
- (void) destinationStride; /* unused parameters */
- (void) sourceBuffer; /* unused parameters */
- (void) sourceStride; /* unused parameters */
- (void) count; /* unused parameters */
- (void) ditherGenerator; /* unused parameters */
- /* IMPLEMENT ME */
+ unsigned char *src = (unsigned char*)sourceBuffer;
+ float *dest = (float*)destinationBuffer;
+ PaInt32 temp;
+
+ (void) ditherGenerator; /* unused parameter */
+
+ while( count-- )
+ {
+ /* REVIEW */
+
+#if defined(PA_LITTLE_ENDIAN)
+ temp = (((long)src[0]) << 8);
+ temp = temp | (((long)src[1]) << 16);
+ temp = temp | (((long)src[2]) << 24);
+#elif defined(PA_BIG_ENDIAN)
+ temp = (((long)src[0]) << 24);
+ temp = temp | (((long)src[1]) << 16);
+ temp = temp | (((long)src[2]) << 8);
+#endif
+
+ *dest = (float) ((double)temp * const_1_div_2147483648_);
+
+ src += sourceStride * 4;
+ dest += destinationStride;
+ }
}
/* --------------------------------------------------------------------------
*/
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