diff options
| author | Max Kellermann <max@duempel.org> | 2014-08-31 16:12:26 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2014-08-31 16:12:26 +0200 |
| commit | e5a28bfd8d07fe5ca5dee1bfb55ce414c8f7e9fc (patch) | |
| tree | 304e2b5bfa829d95d2c756449f010bcc76762eac /src/pcm/PcmExport.cxx | |
| parent | 6e04d66a354c02910ebd849f2233e52de8b6e3c4 (diff) | |
output/alsa, pcm: rename "DSD over USB" to "DoP"
The standard has been renamed since the early draft that was
implemented in MPD.
Diffstat (limited to 'src/pcm/PcmExport.cxx')
| -rw-r--r-- | src/pcm/PcmExport.cxx | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/pcm/PcmExport.cxx b/src/pcm/PcmExport.cxx index 5f567f3c6..ef099ba71 100644 --- a/src/pcm/PcmExport.cxx +++ b/src/pcm/PcmExport.cxx @@ -19,7 +19,7 @@ #include "config.h" #include "PcmExport.hxx" -#include "PcmDsdUsb.hxx" +#include "PcmDop.hxx" #include "PcmPack.hxx" #include "util/ByteReverse.hxx" #include "util/ConstBuffer.hxx" @@ -28,15 +28,15 @@ void PcmExport::Open(SampleFormat sample_format, unsigned _channels, - bool _dsd_usb, bool _shift8, bool _pack, bool _reverse_endian) + bool _dop, bool _shift8, bool _pack, bool _reverse_endian) { assert(audio_valid_sample_format(sample_format)); - assert(!_dsd_usb || audio_valid_channel_count(_channels)); + assert(!_dop || audio_valid_channel_count(_channels)); channels = _channels; - dsd_usb = _dsd_usb && sample_format == SampleFormat::DSD; - if (dsd_usb) - /* after the conversion to DSD-over-USB, the DSD + dop = _dop && sample_format == SampleFormat::DSD; + if (dop) + /* after the conversion to DoP, the DSD samples are stuffed inside fake 24 bit samples */ sample_format = SampleFormat::S24_P32; @@ -64,7 +64,7 @@ PcmExport::GetFrameSize(const AudioFormat &audio_format) const /* packed 24 bit samples (3 bytes per sample) */ return audio_format.channels * 3; - if (dsd_usb) + if (dop) /* the DSD-over-USB draft says that DSD 1-bit samples are enclosed within 24 bit samples, and MPD's representation of 24 bit is padded to 32 bit (4 @@ -77,8 +77,8 @@ PcmExport::GetFrameSize(const AudioFormat &audio_format) const ConstBuffer<void> PcmExport::Export(ConstBuffer<void> data) { - if (dsd_usb) - data = pcm_dsd_to_usb(dsd_buffer, channels, + if (dop) + data = pcm_dsd_to_dop(dop_buffer, channels, ConstBuffer<uint8_t>::FromVoid(data)) .ToVoid(); @@ -125,8 +125,8 @@ PcmExport::CalcSourceSize(size_t size) const /* 32 bit to 24 bit conversion (4 to 3 bytes) */ size = (size / 3) * 4; - if (dsd_usb) - /* DSD over USB doubles the transport size */ + if (dop) + /* DoP doubles the transport size */ size /= 2; return size; |