Aegisub/aegisub/src/audio_provider_ffmpegsource.h

80 lines
2.7 KiB
C++

// Copyright (c) 2008, Karl Blomster
// 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_FFMPEGSOURCE
#include "include/aegisub/audio_provider.h"
#include "ffmpegsource_common.h"
///////////////////////
// FFmpegSource audio provider
class FFmpegSourceAudioProvider : public AudioProvider, FFmpegSourceProvider {
private:
FFAudio *AudioSource;
char FFMSErrMsg[1024];
unsigned MsgSize;
wxString MsgString;
bool COMInited;
void Close();
void LoadAudio(Aegisub::String filename);
public:
FFmpegSourceAudioProvider(Aegisub::String filename);
virtual ~FFmpegSourceAudioProvider();
// FFMS always delivers samples in machine endian
bool AreSamplesNativeEndian() { return true; }
virtual void GetAudio(void *buf, int64_t start, int64_t count);
};
///////////////////////
// Factory
class FFmpegSourceAudioProviderFactory : public AudioProviderFactory {
public:
AudioProvider *CreateProvider(Aegisub::String file) { return new FFmpegSourceAudioProvider(file); }
};
#endif /* WITH_FFMPEGSOURCE */