video_provider_ffmpegsource.cpp

// 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:
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//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
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//   * 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
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// -----------------------------------------------------------------------------
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// AEGISUB
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// Website: http://aegisub.cellosoft.com
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//

#ifdef WITH_FFMPEGSOURCE

///////////
// Headers
#include "video_provider_ffmpegsource.h"
#include <ffms.h>
#include "video_context.h"
#include "options.h"


///////////////
// Constructor
FFmpegSourceVideoProvider::FFmpegSourceVideoProvider(Aegisub::String filename, double fps) {
	// initialize ffmpegsource
	FFMS_Init();

	// clean up variables
	VideoSource = NULL;
	SWSContext = NULL;
	BufferRGB = NULL;
	KeyFramesLoaded = false;
	FrameAllocated = false;
	FrameNumber = -1;
	MessageSize = sizeof(FFMSErrorMessage);

	// and here we go
	LoadVideo(filename, fps);
}

///////////////
// Destructor
FFmpegSourceVideoProvider::~FFmpegSourceVideoProvider() {
	Close();
}