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-rw-r--r--src/xine-engine/resample.c50
1 files changed, 49 insertions, 1 deletions
diff --git a/src/xine-engine/resample.c b/src/xine-engine/resample.c
index 4b363735c..6f7863e6e 100644
--- a/src/xine-engine/resample.c
+++ b/src/xine-engine/resample.c
@@ -17,7 +17,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
- * $Id: resample.c,v 1.2 2001/12/27 14:30:30 f1rmb Exp $
+ * $Id: resample.c,v 1.3 2002/07/01 13:51:28 miguelfreitas Exp $
*/
#ifdef HAVE_CONFIG_H
@@ -278,3 +278,51 @@ void audio_out_resample_6channel(int16_t* input_samples, uint32_t in_samples,
output_samples[out_samples*6-2] = input_samples[in_samples*6-2];
output_samples[out_samples*6-1] = input_samples[in_samples*6-1];
}
+
+void audio_out_resample_8to16(int8_t* input_samples,
+ int16_t* output_samples, uint32_t samples)
+{
+ while( samples-- ) {
+ int16_t os;
+
+ os = *input_samples++;
+ os = (os - 0x80) << 8;
+ *output_samples++ = os;
+ }
+}
+
+void audio_out_resample_16to8(int16_t* input_samples,
+ int8_t* output_samples, uint32_t samples)
+{
+ while( samples-- ) {
+ int16_t os;
+
+ os = *input_samples++;
+ os = (os >> 8) + 0x80;
+ *output_samples++ = os;
+ }
+}
+
+void audio_out_resample_monotostereo(int16_t* input_samples,
+ int16_t* output_samples, uint32_t frames)
+{
+ while( frames-- ) {
+ int16_t os;
+
+ os = *input_samples++;
+ *output_samples++ = os;
+ *output_samples++ = os;
+ }
+}
+
+void audio_out_resample_stereotomono(int16_t* input_samples,
+ int16_t* output_samples, uint32_t frames)
+{
+ while( frames-- ) {
+ int16_t os;
+
+ os = (*input_samples++)>>1;
+ os += (*input_samples++)>>1;
+ *output_samples++ = os;
+ }
+}