95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
#include "GlueResampler.hxx"
|
||
|
|
#include "PcmConvert.hxx"
|
||
|
|
#include "PcmFormat.hxx"
|
||
|
|
#include "util/ConstBuffer.hxx"
|
||
|
|
#include "util/Error.hxx"
|
||
|
|
|
||
|
|
bool
|
||
|
|
GluePcmResampler::Open(AudioFormat _src_format, unsigned _new_sample_rate,
|
||
|
|
gcc_unused Error &error)
|
||
|
|
{
|
||
|
|
src_format = _src_format;
|
||
|
|
new_sample_rate = _new_sample_rate;
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
GluePcmResampler::Close()
|
||
|
|
{
|
||
|
|
resampler.Reset();
|
||
|
|
}
|
||
|
|
|
||
|
|
ConstBuffer<void>
|
||
|
|
GluePcmResampler::Resample(ConstBuffer<void> src, Error &error)
|
||
|
|
{
|
||
|
|
const void *result;
|
||
|
|
size_t size;
|
||
|
|
|
||
|
|
switch (src_format.format) {
|
||
|
|
case SampleFormat::S16:
|
||
|
|
result = resampler.Resample16(src_format.channels,
|
||
|
|
src_format.sample_rate,
|
||
|
|
(const int16_t *)src.data,
|
||
|
|
src.size,
|
||
|
|
new_sample_rate, &size,
|
||
|
|
error);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SampleFormat::S24_P32:
|
||
|
|
result = resampler.Resample24(src_format.channels,
|
||
|
|
src_format.sample_rate,
|
||
|
|
(const int32_t *)src.data,
|
||
|
|
src.size,
|
||
|
|
new_sample_rate, &size,
|
||
|
|
error);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SampleFormat::S32:
|
||
|
|
result = resampler.Resample24(src_format.channels,
|
||
|
|
src_format.sample_rate,
|
||
|
|
(const int32_t *)src.data,
|
||
|
|
src.size,
|
||
|
|
new_sample_rate, &size,
|
||
|
|
error);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case SampleFormat::FLOAT:
|
||
|
|
result = resampler.ResampleFloat(src_format.channels,
|
||
|
|
src_format.sample_rate,
|
||
|
|
(const float *)src.data,
|
||
|
|
src.size,
|
||
|
|
new_sample_rate, &size,
|
||
|
|
error);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
error.Format(pcm_convert_domain,
|
||
|
|
"Resampling %s is not implemented",
|
||
|
|
sample_format_to_string(src_format.format));
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
return { result, size };
|
||
|
|
}
|