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adpcm: Fix trellis encoding of IMA QT

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This was broken in 095be4fb - samples+ch (for the previous
non-planar case) equals &samples_p[ch][0]. The confusion
probably stemmed from the IMA WAV case where it originally
was &samples[avctx->channels + ch], which was correctly
changed into &samples_p[ch][1].

Fixes part of Ticket3701

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Martin Storsjö
2014-06-05 11:56:10 +03:00
committed by Michael Niedermayer
parent 3133e7fd44
commit a32765c425
1 changed files with 1 additions and 1 deletions
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2
libavcodec/adpcmenc.c
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@@ -549,7 +549,7 @@ static int adpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
put_bits(&pb, 7, status->step_index);
if (avctx->trellis > 0) {
uint8_t buf[64];
adpcm_compress_trellis(avctx, &samples_p[ch][1], buf, status,
adpcm_compress_trellis(avctx, &samples_p[ch][0], buf, status,
64, 1);
for (i = 0; i < 64; i++)
put_bits(&pb, 4, buf[i ^ 1]);