Aegisub/aegisub/src/audio_provider_avs.h

79 lines
2.7 KiB
C++

// Copyright (c) 2005-2006, Rodrigo Braz Monteiro, Fredrik Mellbin
// 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
//
///////////
// Headers
#include <wx/wxprec.h>
#ifdef WITH_AVISYNTH
#include <Mmreg.h>
#include "include/aegisub/audio_provider.h"
#include "avisynth_wrap.h"
////////////////////////
// Audio provider class
class AvisynthAudioProvider : public AudioProvider, public AviSynthWrapper {
private:
wxString filename;
PClip clip;
void LoadFromClip(AVSValue clip);
void OpenAVSAudio();
void SetFile();
void Unload();
public:
AvisynthAudioProvider(wxString _filename);
~AvisynthAudioProvider();
wxString GetFilename();
// Only exists for x86 Windows, always delivers machine (little) endian
bool AreSamplesNativeEndian() { return true; }
void GetAudio(void *buf, int64_t start, int64_t count);
void GetWaveForm(int *min,int *peak,int64_t start,int w,int h,int samples,float scale);
};
///////////
// Factory
class AvisynthAudioProviderFactory : public AudioProviderFactory {
public:
AudioProvider *CreateProvider(wxString file) { return new AvisynthAudioProvider(file); }
};
#endif