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codec: Fix ADPCM distortion caused by incorrect nibble order
Closes #2049. Signed-off-by: MerryMage <MerryMage@users.noreply.github.com>
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@ -58,11 +58,11 @@ StereoBuffer16 DecodeADPCM(const u8* const data, const size_t sample_count, cons
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size_t outputi = framei * SAMPLES_PER_FRAME;
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size_t outputi = framei * SAMPLES_PER_FRAME;
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size_t datai = framei * FRAME_LEN + 1;
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size_t datai = framei * FRAME_LEN + 1;
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for (size_t i = 0; i < SAMPLES_PER_FRAME && outputi < sample_count; i += 2) {
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for (size_t i = 0; i < SAMPLES_PER_FRAME && outputi < sample_count; i += 2) {
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const s16 sample1 = decode_sample(SIGNED_NIBBLES[data[datai] & 0xF]);
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const s16 sample1 = decode_sample(SIGNED_NIBBLES[data[datai] >> 4]);
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ret[outputi].fill(sample1);
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ret[outputi].fill(sample1);
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outputi++;
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outputi++;
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const s16 sample2 = decode_sample(SIGNED_NIBBLES[data[datai] >> 4]);
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const s16 sample2 = decode_sample(SIGNED_NIBBLES[data[datai] & 0xF]);
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ret[outputi].fill(sample2);
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ret[outputi].fill(sample2);
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outputi++;
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outputi++;
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