2006-01-16 22:02:54 +01:00
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// Copyright (c) 2005, 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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2006-02-25 05:54:21 +01:00
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#pragma once
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2006-01-16 22:02:54 +01:00
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///////////
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// Headers
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#include <wx/wxprec.h>
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#include <fstream>
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#include <time.h>
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2006-02-25 05:54:21 +01:00
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#include "avisynth_wrap.h"
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2006-02-25 07:04:46 +01:00
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#include "audio_player_portaudio.h"
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2006-01-16 22:02:54 +01:00
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//////////////
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// Prototypes
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class AudioDisplay;
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//////////////
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// Types enum
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enum AudioProviderType {
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AUDIO_PROVIDER_NONE,
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AUDIO_PROVIDER_AVS,
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AUDIO_PROVIDER_CACHE,
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AUDIO_PROVIDER_DISK_CACHE
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};
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////////////////////////
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// Audio provider class
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2006-02-25 07:04:46 +01:00
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class AudioProvider : public AviSynthWrapper, public PortAudioPlayer {
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2006-01-16 22:02:54 +01:00
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private:
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wxMutex diskmutex;
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AudioProviderType type;
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char** blockcache;
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int blockcount;
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void *raw;
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int raw_len;
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AudioDisplay *display;
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std::ifstream file_cache;
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wxString filename;
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PClip clip;
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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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void ConvertToRAMCache(PClip &tempclip);
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void ConvertToDiskCache(PClip &tempclip);
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void LoadFromClip(AVSValue clip);
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void OpenAVSAudio();
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static wxString DiskCachePath();
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static wxString DiskCacheName();
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void SetFile();
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void Unload();
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2006-02-25 05:54:21 +01:00
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2006-01-16 22:02:54 +01:00
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public:
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AudioProvider(wxString _filename, AudioDisplay *_display);
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~AudioProvider();
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wxString GetFilename();
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void GetAudio(void *buf, __int64 start, __int64 count);
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void GetWaveForm(int *min,int *peak,__int64 start,int w,int h,int samples,float scale);
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int GetChannels();
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__int64 GetNumSamples();
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int GetSampleRate();
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2006-02-25 05:54:21 +01:00
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};
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