fixed float<->int24 conversion

1 files changed, 6 insertions, 6 deletions

diff --git a/premix.c b/premix.c
index ebb06575..da790c8b 100644
--- a/premix.c
+++ b/premix.c
@@ -196,8 +196,8 @@ pcm_write_samples_24_to_float (const ddb_waveformat_t * restrict inputfmt, const
         for (int c = 0; c < inputfmt->channels; c++) {
             if (channelmap[c] != -1) {
                 float *out = (float *)(output + 4 * channelmap[c]);
-                int32_t sample = ((int32_t)input[0]<<24) | ((int32_t)input[1]<<16) | (input[2]<<8);
-                *out = sample / (float)0x7fffffff;
+                int32_t sample = ((unsigned char)input[0]) | ((unsigned char)input[1]<<8) | (input[2]<<16);
+                *out = sample / (float)0x7fffff;
             }
             input += 3;
         }
@@ -284,10 +284,10 @@ pcm_write_samples_float_to_24 (const ddb_waveformat_t * restrict inputfmt, const
                 if (sample < -1) {
                     sample = -1;
                 }
-                int32_t outsample = (int32_t)ftoi (sample * 0x7fffffff);
-                out[0] = (outsample&0xff000000)>>24;
-                out[1] = (outsample&0x00ff0000)>>16;
-                out[2] = (outsample&0x0000ff00)>>8;
+                int32_t outsample = (int32_t)ftoi (sample * 0x7fffff);
+                out[0] = (outsample&0x0000ff);
+                out[1] = (outsample&0x00ff00)>>8;
+                out[2] = (outsample&0xff0000)>>16;
             }
             input += 4;
         }