200 lines
4.7 KiB
C++
200 lines
4.7 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV
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This library 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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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#include "AudioResampler.h"
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#include "AudioFormat.h"
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#include "AudioResampler_p.h"
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#include "factory.h"
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#include "mkid.h"
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#include "Logger.h"
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namespace FAV {
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FACTORY_DEFINE(AudioResampler)
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AudioResamplerId AudioResamplerId_FF = mkid::id32base36_6<'F', 'F', 'm', 'p', 'e', 'g'>::value;
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AudioResamplerId AudioResamplerId_Libav = mkid::id32base36_5<'L', 'i', 'b', 'a', 'v'>::value;
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extern bool RegisterAudioResamplerFF_Man();
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extern bool RegisterAudioResamplerLibav_Man();
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void AudioResampler::registerAll()
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{
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static bool done = false;
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if (done)
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return;
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done = true;
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#if QTAV_HAVE(SWRESAMPLE)
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RegisterAudioResamplerFF_Man();
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#endif
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#if QTAV_HAVE(AVRESAMPLE)
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RegisterAudioResamplerLibav_Man();
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#endif
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}
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AudioResampler::AudioResampler(AudioResamplerPrivate& d):DPTR_INIT(&d)
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{
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}
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AudioResampler::~AudioResampler()
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{
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}
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QByteArray AudioResampler::outData() const
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{
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return d_func().data_out;
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}
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bool AudioResampler::prepare()
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{
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if (!inAudioFormat().isValid()) {
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qWarning("src audio parameters 'channel layout(or channels), sample rate and sample format must be set before initialize resampler");
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return false;
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}
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return true;
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}
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bool AudioResampler::convert(const quint8 **data)
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{
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Q_UNUSED(data);
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return false;
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}
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void AudioResampler::setSpeed(qreal speed)
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{
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DPTR_D(AudioResampler);
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if (d.speed == speed)
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return;
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d.speed = speed;
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prepare();
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}
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qreal AudioResampler::speed() const
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{
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return d_func().speed;
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}
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void AudioResampler::setInAudioFormat(const AudioFormat& format)
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{
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DPTR_D(AudioResampler);
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if (d.in_format == format)
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return;
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d.in_format = format;
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prepare();
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}
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AudioFormat& AudioResampler::inAudioFormat()
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{
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return d_func().in_format;
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}
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const AudioFormat& AudioResampler::inAudioFormat() const
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{
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return d_func().in_format;
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}
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void AudioResampler::setOutAudioFormat(const AudioFormat& format)
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{
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DPTR_D(AudioResampler);
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if (d.out_format == format)
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return;
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d.out_format = format;
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prepare();
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}
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AudioFormat& AudioResampler::outAudioFormat()
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{
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return d_func().out_format;
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}
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const AudioFormat& AudioResampler::outAudioFormat() const
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{
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return d_func().out_format;
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}
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void AudioResampler::setInSampesPerChannel(int samples)
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{
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d_func().in_samples_per_channel = samples;
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}
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int AudioResampler::outSamplesPerChannel() const
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{
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return d_func().out_samples_per_channel;
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}
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//channel count can be computed by av_get_channel_layout_nb_channels(chl)
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void AudioResampler::setInSampleRate(int isr)
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{
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AudioFormat af(d_func().in_format);
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af.setSampleRate(isr);
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setInAudioFormat(af);
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}
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void AudioResampler::setOutSampleRate(int osr)
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{
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AudioFormat af(d_func().out_format);
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af.setSampleRate(osr);
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setOutAudioFormat(af);
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}
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void AudioResampler::setInSampleFormat(int isf)
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{
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AudioFormat af(d_func().in_format);
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af.setSampleFormatFFmpeg(isf);
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setInAudioFormat(af);
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}
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void AudioResampler::setOutSampleFormat(int osf)
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{
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AudioFormat af(d_func().out_format);
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af.setSampleFormatFFmpeg(osf);
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setOutAudioFormat(af);
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}
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void AudioResampler::setInChannelLayout(qint64 icl)
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{
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AudioFormat af(d_func().in_format);
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af.setChannelLayoutFFmpeg(icl);
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setInAudioFormat(af);
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}
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void AudioResampler::setOutChannelLayout(qint64 ocl)
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{
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AudioFormat af(d_func().out_format);
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af.setChannelLayoutFFmpeg(ocl);
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setOutAudioFormat(af);
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}
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void AudioResampler::setInChannels(int channels)
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{
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AudioFormat af(d_func().in_format);
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af.setChannels(channels);
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setInAudioFormat(af);
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}
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void AudioResampler::setOutChannels(int channels)
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{
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AudioFormat af(d_func().out_format);
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af.setChannels(channels);
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setOutAudioFormat(af);
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}
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} //namespace FAV
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