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adpcm: Fix trellis encoding of IMA QT
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>
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@ -549,7 +549,7 @@ static int adpcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
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put_bits(&pb, 7, status->step_index);
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if (avctx->trellis > 0) {
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uint8_t buf[64];
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adpcm_compress_trellis(avctx, &samples_p[ch][1], buf, status,
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adpcm_compress_trellis(avctx, &samples_p[ch][0], buf, status,
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64, 1);
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for (i = 0; i < 64; i++)
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put_bits(&pb, 4, buf[i ^ 1]);
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