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pcm/Dsd2Pcm: remove unused "lsbf" flag

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This commit is contained in:
Max Kellermann 2020-01-14 23:20:45 +01:00
parent 3f3104348e
commit 2073a2c1b0
3 changed files with 1 additions and 5 deletions
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2
src/pcm/Dsd2Pcm.cxx
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@ -193,14 +193,12 @@ Dsd2Pcm::TranslateSample(size_t ffp, uint8_t src) noexcept
void void
Dsd2Pcm::Translate(size_t samples, Dsd2Pcm::Translate(size_t samples,
const uint8_t *gcc_restrict src, ptrdiff_t src_stride, const uint8_t *gcc_restrict src, ptrdiff_t src_stride,
bool lsbf,
float *dst, ptrdiff_t dst_stride) noexcept float *dst, ptrdiff_t dst_stride) noexcept
{ {
size_t ffp = fifopos; size_t ffp = fifopos;
while (samples-- > 0) { while (samples-- > 0) {
uint8_t bite1 = *src; uint8_t bite1 = *src;
src += src_stride; src += src_stride;
if (lsbf) bite1 = bit_reverse(bite1);
*dst = TranslateSample(ffp, bite1); *dst = TranslateSample(ffp, bite1);
dst += dst_stride; dst += dst_stride;
ffp = (ffp + 1) & FIFOMASK; ffp = (ffp + 1) & FIFOMASK;

2
src/pcm/Dsd2Pcm.hxx
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@ -66,13 +66,11 @@ public:
* @param samples -- number of octets/samples to "translate" * @param samples -- number of octets/samples to "translate"
* @param src -- pointer to first octet (input) * @param src -- pointer to first octet (input)
* @param src_stride -- src pointer increment * @param src_stride -- src pointer increment
* @param lsbitfirst -- bitorder, 0=msb first, 1=lsbfirst
* @param dst -- pointer to first float (output) * @param dst -- pointer to first float (output)
* @param dst_stride -- dst pointer increment * @param dst_stride -- dst pointer increment
*/ */
void Translate(size_t samples, void Translate(size_t samples,
const uint8_t *src, ptrdiff_t src_stride, const uint8_t *src, ptrdiff_t src_stride,
bool lsbitfirst,
float *dst, ptrdiff_t dst_stride) noexcept; float *dst, ptrdiff_t dst_stride) noexcept;
private: private:

2
src/pcm/PcmDsd.cxx
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@ -61,7 +61,7 @@ PcmDsd::ToFloat(unsigned channels, ConstBuffer<uint8_t> src) noexcept
dsd2pcm[c]->Translate(num_frames, dsd2pcm[c]->Translate(num_frames,
src.data + c, channels, src.data + c, channels,
false, dest + c, channels); dest + c, channels);
} }
return { dest, num_samples }; return { dest, num_samples };