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| author | Wim Taymans <wtaymans@redhat.com> | 2015-10-28 11:32:57 +0100 |
|---|---|---|
| committer | Wim Taymans <wtaymans@redhat.com> | 2015-10-28 11:37:43 +0100 |
| commit | 94d45bbbd9b764028af39a1a3cecac4e97f94244 (patch) | |
| tree | f3826236e11fde8d2216eac8b3e59fc6ec3c4061 | |
| parent | 2358915754a3606dc2c5ac92f7ae0c0caa2952e9 (diff) | |
| download | gstreamer-plugins-base-94d45bbbd9b764028af39a1a3cecac4e97f94244.tar.gz | |
audioquantize: fix 8-pole noise shaping
Fix the 8-pole noise shaping error update. We were mixing errors from
different channels.
| -rw-r--r-- | gst/audioconvert/gstaudioquantize.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gst/audioconvert/gstaudioquantize.c b/gst/audioconvert/gstaudioquantize.c index 91a8c12e0..d3df42cba 100644 --- a/gst/audioconvert/gstaudioquantize.c +++ b/gst/audioconvert/gstaudioquantize.c @@ -296,15 +296,14 @@ static const gdouble ns_high_coeffs[] = { #define ADD_NS_HIGH() \ cur_error = 0.0; \ for (j = 0; j < 8; j++) \ - cur_error += errors[chan_pos + j] * ns_high_coeffs[j]; \ + cur_error += errors[chan_pos*8 + j] * ns_high_coeffs[j]; \ tmp -= cur_error; \ orig = tmp; #define UPDATE_ERROR_HIGH() \ for (j = 7; j > 0; j--) \ - errors[chan_pos + j] = errors[chan_pos + j-1]; \ - errors[chan_pos] = (*dst)/factor - orig; - + errors[chan_pos*8 + j] = errors[chan_pos*8 + j-1]; \ + errors[chan_pos*8] = (*dst)/factor - orig; MAKE_QUANTIZE_FUNC_I (int_none_none, NONE_FUNC, NONE_FUNC, ROUND); MAKE_QUANTIZE_FUNC_I (int_rpdf_none, INIT_DITHER_RPDF_I, ADD_DITHER_RPDF_I, |