diff options
Diffstat (limited to 'src/pcm')
| -rw-r--r-- | src/pcm/PcmFormat.cxx | 46 | ||||
| -rw-r--r-- | src/pcm/Traits.hxx | 71 |
2 files changed, 72 insertions, 45 deletions
diff --git a/src/pcm/PcmFormat.cxx b/src/pcm/PcmFormat.cxx index b7a496264..348437a12 100644 --- a/src/pcm/PcmFormat.cxx +++ b/src/pcm/PcmFormat.cxx @@ -22,51 +22,7 @@ #include "PcmDither.hxx" #include "PcmBuffer.hxx" #include "PcmUtils.hxx" - -#include <type_traits> - -template<SampleFormat F> -struct SampleTraits {}; - -template<> -struct SampleTraits<SampleFormat::S8> { - typedef int8_t value_type; - typedef value_type *pointer_type; - typedef const value_type *const_pointer_type; - - static constexpr size_t SAMPLE_SIZE = sizeof(value_type); - static constexpr unsigned BITS = sizeof(value_type) * 8; -}; - -template<> -struct SampleTraits<SampleFormat::S16> { - typedef int16_t value_type; - typedef value_type *pointer_type; - typedef const value_type *const_pointer_type; - - static constexpr size_t SAMPLE_SIZE = sizeof(value_type); - static constexpr unsigned BITS = sizeof(value_type) * 8; -}; - -template<> -struct SampleTraits<SampleFormat::S32> { - typedef int32_t value_type; - typedef value_type *pointer_type; - typedef const value_type *const_pointer_type; - - static constexpr size_t SAMPLE_SIZE = sizeof(value_type); - static constexpr unsigned BITS = sizeof(value_type) * 8; -}; - -template<> -struct SampleTraits<SampleFormat::S24_P32> { - typedef int32_t value_type; - typedef value_type *pointer_type; - typedef const value_type *const_pointer_type; - - static constexpr size_t SAMPLE_SIZE = sizeof(value_type); - static constexpr unsigned BITS = 24; -}; +#include "Traits.hxx" static void pcm_convert_8_to_16(int16_t *out, const int8_t *in, const int8_t *in_end) diff --git a/src/pcm/Traits.hxx b/src/pcm/Traits.hxx new file mode 100644 index 000000000..17bcfee85 --- /dev/null +++ b/src/pcm/Traits.hxx @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2003-2013 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_TRAITS_HXX +#define MPD_PCM_TRAITS_HXX + +#include "check.h" +#include "AudioFormat.hxx" + +#include <stdint.h> + +template<SampleFormat F> +struct SampleTraits {}; + +template<> +struct SampleTraits<SampleFormat::S8> { + typedef int8_t value_type; + typedef value_type *pointer_type; + typedef const value_type *const_pointer_type; + + static constexpr size_t SAMPLE_SIZE = sizeof(value_type); + static constexpr unsigned BITS = sizeof(value_type) * 8; +}; + +template<> +struct SampleTraits<SampleFormat::S16> { + typedef int16_t value_type; + typedef value_type *pointer_type; + typedef const value_type *const_pointer_type; + + static constexpr size_t SAMPLE_SIZE = sizeof(value_type); + static constexpr unsigned BITS = sizeof(value_type) * 8; +}; + +template<> +struct SampleTraits<SampleFormat::S32> { + typedef int32_t value_type; + typedef value_type *pointer_type; + typedef const value_type *const_pointer_type; + + static constexpr size_t SAMPLE_SIZE = sizeof(value_type); + static constexpr unsigned BITS = sizeof(value_type) * 8; +}; + +template<> +struct SampleTraits<SampleFormat::S24_P32> { + typedef int32_t value_type; + typedef value_type *pointer_type; + typedef const value_type *const_pointer_type; + + static constexpr size_t SAMPLE_SIZE = sizeof(value_type); + static constexpr unsigned BITS = 24; +}; + +#endif |