diff options
author | Max Kellermann <max@musicpd.org> | 2019-06-16 12:11:44 +0200 |
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committer | Max Kellermann <max@musicpd.org> | 2019-06-16 12:11:44 +0200 |
commit | fd5e74dbd058f11ef8ca015e6d2442316b6f9b5f (patch) | |
tree | 2826479171981ec7f937a7b314211d31675129ac /src/pcm/Dop.hxx | |
parent | b64571f4a5433c9b56b4b4fe625b7e15446c165f (diff) |
pcm/Pcm{Dop,Export}: drop "Pcm" prefix
Diffstat (limited to 'src/pcm/Dop.hxx')
-rw-r--r-- | src/pcm/Dop.hxx | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/pcm/Dop.hxx b/src/pcm/Dop.hxx new file mode 100644 index 000000000..0a2c9b205 --- /dev/null +++ b/src/pcm/Dop.hxx @@ -0,0 +1,37 @@ +/* + * Copyright 2003-2018 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_PCM_DOP_HXX +#define MPD_PCM_DOP_HXX + +#include <stdint.h> + +class PcmBuffer; +template<typename T> struct ConstBuffer; + +/** + * Pack DSD 1 bit samples into (padded) 24 bit PCM samples for + * playback over USB, according to the DoP standard: + * http://dsd-guide.com/dop-open-standard + */ +ConstBuffer<uint32_t> +pcm_dsd_to_dop(PcmBuffer &buffer, unsigned channels, + ConstBuffer<uint8_t> src) noexcept; + +#endif |