forked from mia/Aegisub
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
// Copyright (c) 2006, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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#pragma once
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///////////
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// Headers
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#include <wx/wxprec.h>
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//////////////
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// Prototypes
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class AudioDisplay;
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class VideoProvider;
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////////////////////////
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// Audio provider class
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class AudioProvider {
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private:
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void *raw;
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int raw_len;
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protected:
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int channels;
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__int64 num_samples;
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int sample_rate;
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int bytes_per_sample;
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wxString filename;
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public:
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AudioProvider();
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virtual ~AudioProvider();
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virtual wxString GetFilename();
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virtual void GetAudio(void *buf, __int64 start, __int64 count)=0;
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void GetAudioWithVolume(void *buf, __int64 start, __int64 count, double volume);
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int GetChannels();
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__int64 GetNumSamples();
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int GetSampleRate();
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int GetBytesPerSample();
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void GetWaveForm(int *min,int *peak,__int64 start,int w,int h,int samples,float scale);
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static AudioProvider *GetAudioProvider(wxString filename, AudioDisplay *display, VideoProvider *vprovider,int cache=-1);
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};
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