81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
/*
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* Copyright 2003-2019 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_FFMPEG_SAMPLE_FORMAT_HXX
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#define MPD_FFMPEG_SAMPLE_FORMAT_HXX
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#include "pcm/SampleFormat.hxx"
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extern "C" {
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#include <libavutil/samplefmt.h>
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}
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namespace Ffmpeg {
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/**
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* Convert a FFmpeg #AVSampleFormat to a MPD #SampleFormat. Returns
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* SampleFormat::UNDEFINED if there is no direct mapping.
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*/
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constexpr SampleFormat
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FromFfmpegSampleFormat(AVSampleFormat sample_fmt) noexcept
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{
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switch (sample_fmt) {
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case AV_SAMPLE_FMT_S16:
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case AV_SAMPLE_FMT_S16P:
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return SampleFormat::S16;
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case AV_SAMPLE_FMT_S32:
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case AV_SAMPLE_FMT_S32P:
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return SampleFormat::S32;
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case AV_SAMPLE_FMT_FLT:
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case AV_SAMPLE_FMT_FLTP:
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return SampleFormat::FLOAT;
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default:
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return SampleFormat::UNDEFINED;
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}
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}
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/**
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* Convert a MPD #SampleFormat to a FFmpeg #AVSampleFormat. Returns
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* AV_SAMPLE_FMT_NONE if there is no direct mapping.
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*/
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constexpr AVSampleFormat
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ToFfmpegSampleFormat(SampleFormat f) noexcept
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{
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switch (f) {
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case SampleFormat::S16:
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return AV_SAMPLE_FMT_S16;
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case SampleFormat::S32:
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return AV_SAMPLE_FMT_S32;
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case SampleFormat::FLOAT:
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return AV_SAMPLE_FMT_FLT;
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default:
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return AV_SAMPLE_FMT_NONE;
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}
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}
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} // namespace Ffmpeg
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#endif
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