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authorMichael Niedermayer <michaelni@gmx.at>2012-04-26 19:45:30 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-04-26 20:23:07 +0200
commit73be22f526f541349641e1e4f7bb6ec4234f58e4 (patch)
treea0e42bc8a553de9e67ef8794b1c7097ff46e24c6 /libswresample
parent56f89bae521dfbccc3836c1158f52b0cfdfbd92d (diff)
swr-test: fix u8 zero point.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswresample')
-rw-r--r--libswresample/swresample_test.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libswresample/swresample_test.c b/libswresample/swresample_test.c
index 7fa4d37627..305827ba18 100644
--- a/libswresample/swresample_test.c
+++ b/libswresample/swresample_test.c
@@ -40,7 +40,7 @@ static double get(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFo
}
switch(f){
- case AV_SAMPLE_FMT_U8 : return ((const uint8_t*)p)[index]/255.0*2-1.0;
+ case AV_SAMPLE_FMT_U8 : return ((const uint8_t*)p)[index]/127.0-1.0;
case AV_SAMPLE_FMT_S16: return ((const int16_t*)p)[index]/32767.0;
case AV_SAMPLE_FMT_S32: return ((const int32_t*)p)[index]/2147483647.0;
case AV_SAMPLE_FMT_FLT: return ((const float *)p)[index];
@@ -59,7 +59,7 @@ static void set(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFor
index= ch + index*ch_count;
}
switch(f){
- case AV_SAMPLE_FMT_U8 : ((uint8_t*)p)[index]= av_clip_uint8 (lrint((v+1.0)*255.0/2)); break;
+ case AV_SAMPLE_FMT_U8 : ((uint8_t*)p)[index]= av_clip_uint8 (lrint((v+1.0)*127)); break;
case AV_SAMPLE_FMT_S16: ((int16_t*)p)[index]= av_clip_int16 (lrint(v*32767)); break;
case AV_SAMPLE_FMT_S32: ((int32_t*)p)[index]= av_clipl_int32(lrint(v*2147483647)); break;
case AV_SAMPLE_FMT_FLT: ((float *)p)[index]= v; break;