[FFmpeg-devel] [PATCH 2/2] avcodec/hcadec: get intensity from correct channel

t summertriangle.dev at gmail.com
Thu Jun 18 00:45:07 EEST 2020


Fixes an issue with one output channel being slightly louder than
the other. The output now matches other public HCA decoders.

Signed-off-by: t <summertriangle.dev at gmail.com>
---
 libavcodec/hcadec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/hcadec.c b/libavcodec/hcadec.c
index a890e75a13..28e7d07cec 100644
--- a/libavcodec/hcadec.c
+++ b/libavcodec/hcadec.c
@@ -263,7 +263,7 @@ static void apply_intensity_stereo(HCAContext *s, ChannelContext *ch1, ChannelCo
                                    int index, unsigned band_count, unsigned base_band_count,
                                    unsigned stereo_band_count)
 {
-    float ratio_l = intensity_ratio_table[ch1->intensity[index]];
+    float ratio_l = intensity_ratio_table[ch2->intensity[index]];
     float ratio_r = ratio_l - 2.0f;
     float *c1 = &ch1->imdct_in[base_band_count];
     float *c2 = &ch2->imdct_in[base_band_count];
-- 
2.25.0



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