forked from mia/Aegisub
142 lines
3.6 KiB
C++
142 lines
3.6 KiB
C++
// Copyright (c) 2005, 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
|
|
//
|
|
|
|
|
|
#ifndef AUDIO_PROVIDER_H
|
|
#define AUDIO_PROVIDER_H
|
|
|
|
|
|
///////////
|
|
// Headers
|
|
#include <wx/wxprec.h>
|
|
#include "avisynth_wrap.h"
|
|
#include <fstream>
|
|
#include <time.h>
|
|
|
|
|
|
//////////////
|
|
// Prototypes
|
|
class AudioDisplay;
|
|
|
|
|
|
//////////////
|
|
// Types enum
|
|
enum AudioProviderType {
|
|
AUDIO_PROVIDER_NONE,
|
|
AUDIO_PROVIDER_AVS,
|
|
AUDIO_PROVIDER_CACHE,
|
|
AUDIO_PROVIDER_DISK_CACHE
|
|
};
|
|
|
|
|
|
////////////////////////
|
|
// Audio provider class
|
|
class AudioProvider : public wxEvtHandler, public AviSynthWrapper {
|
|
private:
|
|
static int pa_refcount;
|
|
|
|
wxMutex diskmutex;
|
|
|
|
AudioProviderType type;
|
|
|
|
char** blockcache;
|
|
int blockcount;
|
|
|
|
void *raw;
|
|
int raw_len;
|
|
|
|
AudioDisplay *display;
|
|
|
|
std::ifstream file_cache;
|
|
|
|
wxString filename;
|
|
PClip clip;
|
|
int channels;
|
|
__int64 num_samples;
|
|
int sample_rate;
|
|
int bytes_per_sample;
|
|
|
|
void OpenStream();
|
|
void CloseStream();
|
|
void ConvertToRAMCache(PClip &tempclip);
|
|
void ConvertToDiskCache(PClip &tempclip);
|
|
void LoadFromClip(AVSValue clip);
|
|
void OpenAVSAudio();
|
|
void OnStopAudio(wxCommandEvent &event);
|
|
static wxString DiskCachePath();
|
|
static wxString DiskCacheName();
|
|
void SetFile();
|
|
void Unload();
|
|
public:
|
|
wxMutex PAMutex;
|
|
volatile bool stopping;
|
|
bool softStop;
|
|
bool playing;
|
|
bool spectrum;
|
|
|
|
volatile __int64 playPos;
|
|
volatile __int64 startPos;
|
|
volatile __int64 endPos;
|
|
volatile __int64 realPlayPos;
|
|
volatile __int64 startMS;
|
|
void *stream;
|
|
clock_t span;
|
|
|
|
AudioProvider(wxString _filename, AudioDisplay *_display);
|
|
~AudioProvider();
|
|
|
|
wxString GetFilename();
|
|
|
|
void GetAudio(void *buf, __int64 start, __int64 count);
|
|
void GetWaveForm(int *min,int *peak,__int64 start,int w,int h,int samples,float scale);
|
|
|
|
void Play(__int64 start,__int64 count);
|
|
void Stop(bool timerToo=true);
|
|
void RequestStop();
|
|
|
|
int GetChannels();
|
|
__int64 GetNumSamples();
|
|
int GetSampleRate();
|
|
|
|
DECLARE_EVENT_TABLE()
|
|
};
|
|
|
|
|
|
/////////
|
|
// Event
|
|
DECLARE_EVENT_TYPE(wxEVT_STOP_AUDIO, -1)
|
|
|
|
|
|
#endif
|