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pcm/PcmDsd: remove "lsbfirst" support

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Unused.  Bit reversing is done in the decoder.
This commit is contained in:
Max Kellermann 2014-08-23 14:40:30 +02:00
parent ae467aa42e
commit fa82264604
3 changed files with 4 additions and 6 deletions
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3
src/pcm/PcmConvert.cxx
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@ -124,8 +124,7 @@ PcmConvert::Convert(ConstBuffer<void> buffer, Error &error)
if (format.format == SampleFormat::DSD) { if (format.format == SampleFormat::DSD) {
auto s = ConstBuffer<uint8_t>::FromVoid(buffer); auto s = ConstBuffer<uint8_t>::FromVoid(buffer);
auto d = dsd.ToFloat(format.channels, auto d = dsd.ToFloat(format.channels, s);
false, s);
if (d.IsNull()) { if (d.IsNull()) {
error.Set(pcm_domain, error.Set(pcm_domain,
"DSD to PCM conversion failed"); "DSD to PCM conversion failed");

5
src/pcm/PcmDsd.cxx
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@ -48,8 +48,7 @@ PcmDsd::Reset()
} }
ConstBuffer<float> ConstBuffer<float>
PcmDsd::ToFloat(unsigned channels, bool lsbfirst, PcmDsd::ToFloat(unsigned channels, ConstBuffer<uint8_t> src)
ConstBuffer<uint8_t> src)
{ {
assert(!src.IsNull()); assert(!src.IsNull());
assert(!src.IsEmpty()); assert(!src.IsEmpty());
@ -72,7 +71,7 @@ PcmDsd::ToFloat(unsigned channels, bool lsbfirst,
dsd2pcm_translate(dsd2pcm[c], num_frames, dsd2pcm_translate(dsd2pcm[c], num_frames,
src.data + c, channels, src.data + c, channels,
lsbfirst, dest + c, channels); false, dest + c, channels);
} }
return { dest, num_samples }; return { dest, num_samples };

2
src/pcm/PcmDsd.hxx
View File

@ -41,7 +41,7 @@ public:
void Reset(); void Reset();
ConstBuffer<float> ToFloat(unsigned channels, bool lsbfirst, ConstBuffer<float> ToFloat(unsigned channels,
ConstBuffer<uint8_t> src); ConstBuffer<uint8_t> src);
}; };