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ad_lavc: use fmt-conversion to map sample formats

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This commit is contained in:
Stefano Pigozzi
2012-11-03 14:06:53 +01:00
committed by wm4
parent 203b57d863
commit cb0b0d99a4
4 changed files with 96 additions and 18 deletions
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64
audio/fmt-conversion.c Normal file
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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "core/mp_msg.h"
#include <libavutil/avutil.h>
#include <libavutil/samplefmt.h>
#include "format.h"
#include "fmt-conversion.h"
static const struct {
enum AVSampleFormat sample_fmt;
int fmt;
} audio_conversion_map[] = {
{AV_SAMPLE_FMT_U8, AF_FORMAT_U8},
{AV_SAMPLE_FMT_S16, AF_FORMAT_S16_NE},
{AV_SAMPLE_FMT_S32, AF_FORMAT_S32_NE},
{AV_SAMPLE_FMT_FLT, AF_FORMAT_FLOAT_NE},
{AV_SAMPLE_FMT_NONE, 0},
};
enum AVSampleFormat af_to_avformat(int fmt)
{
int i;
enum AVSampleFormat sample_fmt;
for (i = 0; audio_conversion_map[i].fmt; i++)
if (audio_conversion_map[i].fmt == fmt)
break;
sample_fmt = audio_conversion_map[i].sample_fmt;
if (sample_fmt == AF_FORMAT_UNKNOWN)
mp_msg(MSGT_GLOBAL, MSGL_V, "Unsupported sample format: %s\n",
af_fmt2str_short(fmt));
return sample_fmt;
}
int af_from_avformat(enum AVSampleFormat sample_fmt)
{
int i;
for (i = 0; audio_conversion_map[i].fmt; i++)
if (audio_conversion_map[i].sample_fmt == sample_fmt)
break;
int fmt = audio_conversion_map[i].fmt;
if (!fmt) {
const char *fmtname = av_get_sample_fmt_name(sample_fmt);
mp_msg(MSGT_GLOBAL, MSGL_ERR, "Unsupported AVSampleFormat %s (%d)\n",
fmtname ? fmtname : "INVALID", sample_fmt);
}
return fmt;
}