mirror of
https://github.com/mpv-player/mpv
synced 2024-12-21 22:30:22 +00:00
1db603efc3
Although pretty similar to the probably unrelicensable
video/fmt-conversion.c/h (basically using the same idea, but for audio),
it was written by someone else. The format mapping was first added in
commit ad95e046c2.
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libavutil/avutil.h>
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#include <libavutil/samplefmt.h>
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#include "format.h"
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#include "fmt-conversion.h"
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static const struct {
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enum AVSampleFormat sample_fmt;
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int fmt;
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} audio_conversion_map[] = {
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{AV_SAMPLE_FMT_U8, AF_FORMAT_U8},
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{AV_SAMPLE_FMT_S16, AF_FORMAT_S16},
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{AV_SAMPLE_FMT_S32, AF_FORMAT_S32},
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{AV_SAMPLE_FMT_FLT, AF_FORMAT_FLOAT},
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{AV_SAMPLE_FMT_DBL, AF_FORMAT_DOUBLE},
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{AV_SAMPLE_FMT_U8P, AF_FORMAT_U8P},
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{AV_SAMPLE_FMT_S16P, AF_FORMAT_S16P},
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{AV_SAMPLE_FMT_S32P, AF_FORMAT_S32P},
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{AV_SAMPLE_FMT_FLTP, AF_FORMAT_FLOATP},
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{AV_SAMPLE_FMT_DBLP, AF_FORMAT_DOUBLEP},
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{AV_SAMPLE_FMT_NONE, 0},
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};
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enum AVSampleFormat af_to_avformat(int fmt)
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{
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for (int i = 0; audio_conversion_map[i].fmt; i++) {
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if (audio_conversion_map[i].fmt == fmt)
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return audio_conversion_map[i].sample_fmt;
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}
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return AV_SAMPLE_FMT_NONE;
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}
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int af_from_avformat(enum AVSampleFormat sample_fmt)
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{
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for (int i = 0; audio_conversion_map[i].fmt; i++) {
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if (audio_conversion_map[i].sample_fmt == sample_fmt)
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return audio_conversion_map[i].fmt;
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}
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return 0;
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}
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