mirror of https://github.com/odrling/Aegisub
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
// Copyright (c) 2006, Rodrigo Braz Monteiro
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
// AEGISUB
|
|
//
|
|
// Website: http://aegisub.cellosoft.com
|
|
// Contact: mailto:zeratul@cellosoft.com
|
|
//
|
|
|
|
|
|
#pragma once
|
|
|
|
|
|
///////////
|
|
// Headers
|
|
#include <wx/wxprec.h>
|
|
#include <stdint.h>
|
|
#include "factory.h"
|
|
|
|
|
|
//////////////
|
|
// Prototypes
|
|
class AudioDisplay;
|
|
class VideoProvider;
|
|
|
|
|
|
////////////////////////
|
|
// Audio provider class
|
|
class AudioProvider {
|
|
private:
|
|
void *raw;
|
|
int raw_len;
|
|
|
|
protected:
|
|
int channels;
|
|
int64_t num_samples; // for one channel, ie. number of PCM frames
|
|
int sample_rate;
|
|
int bytes_per_sample;
|
|
|
|
wxString filename;
|
|
|
|
public:
|
|
AudioProvider();
|
|
virtual ~AudioProvider();
|
|
|
|
virtual wxString GetFilename();
|
|
virtual void GetAudio(void *buf, int64_t start, int64_t count)=0;
|
|
void GetAudioWithVolume(void *buf, int64_t start, int64_t count, double volume);
|
|
|
|
int64_t GetNumSamples();
|
|
int GetSampleRate();
|
|
int GetBytesPerSample();
|
|
int GetChannels();
|
|
|
|
void GetWaveForm(int *min,int *peak,int64_t start,int w,int h,int samples,float scale);
|
|
};
|
|
|
|
|
|
///////////
|
|
// Factory
|
|
class AudioProviderFactory : public AegisubFactory<AudioProviderFactory> {
|
|
protected:
|
|
virtual AudioProvider *CreateProvider(wxString filename)=0;
|
|
AudioProviderFactory(wxString name) { RegisterFactory(name); }
|
|
|
|
public:
|
|
virtual ~AudioProviderFactory() {}
|
|
static AudioProvider *GetAudioProvider(wxString filename, int cache=-1);
|
|
};
|