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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-29 05:21:47 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-29 05:21:47 +0100 |
| commit | b4e6265136dd2f4c89467f8fe0ae8a5374bb7b6e (patch) | |
| tree | 0db9b6f5483ffe80a4a4f58ad0802eca4fb77bda | |
| parent | a3886ea3c5947ca05bfe01b053d9ce2f9725d9eb (diff) | |
| download | ffmpeg-b4e6265136dd2f4c89467f8fe0ae8a5374bb7b6e.tar.gz | |
dcadec: skip QMF on unused channels
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/dcadec.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c index 42f1eed6f0..d35cc3f976 100644 --- a/libavcodec/dcadec.c +++ b/libavcodec/dcadec.c @@ -1442,6 +1442,7 @@ static int dca_filter_channels(DCAContext *s, int block_index) for (k = 0; k < s->prim_channels; k++) { /* static float pcm_to_double[8] = { 32768.0, 32768.0, 524288.0, 524288.0, 0, 8388608.0, 8388608.0 };*/ + if(s->channel_order_tab[k] >= 0) qmf_32_subbands(s, k, subband_samples[k], s->samples_chanptr[s->channel_order_tab[k]], M_SQRT1_2 / 32768.0 /* pcm_to_double[s->source_pcm_res] */); |