//	VirtualDub - Video processing and capture application
//	Copyright (C) 1998-2001 Avery Lee
//
//	This program is free software; you can redistribute it and/or modify
//	it under the terms of the GNU General Public License as published by
//	the Free Software Foundation; either version 2 of the License, or
//	(at your option) any later version.
//
//	This program is distributed in the hope that it will be useful,
//	but WITHOUT ANY WARRANTY; without even the implied warranty of
//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//	GNU General Public License for more details.
//
//	You should have received a copy of the GNU General Public License
//	along with this program; if not, write to the Free Software
//	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#include "stdafx.h"

#include "AVIIndex.h"

#include <vd2/system/error.h>
#include "AVIOutput.h"
#include "oshelper.h"
#include "misc.h"

///////////////////////////////////////////

AVIOutputStream::AVIOutputStream() {
}

AVIOutputStream::~AVIOutputStream() {
}

////////////////////////////////////

AVIOutput::AVIOutput() {
	audioOut			= NULL;
	videoOut			= NULL;
}

AVIOutput::~AVIOutput() {
	delete audioOut;
	delete videoOut;
}

void *AVIOutput::AsInterface(uint32 id) {
	if (id == IVDMediaOutput::kTypeID)
		return static_cast<IVDMediaOutput *>(this);

	return NULL;
}

////////////////////////////////////

class AVIVideoNullOutputStream : public AVIOutputStream {
public:
	void write(uint32 flags, const void *pBuffer, uint32 cbBuffer, uint32 lSamples) {}
	void partialWriteBegin(uint32 flags, uint32 bytes, uint32 samples) {}
	void partialWrite(const void *pBuffer, uint32 cbBuffer) {}
	void partialWriteEnd() {}
};

AVIOutputNull::~AVIOutputNull() {
}

bool AVIOutputNull::init(const wchar_t *szFile) {
	if (!videoOut)
		return false;
	return true;
}

void AVIOutputNull::finalize() {
}

IVDMediaOutputStream *AVIOutputNull::createAudioStream() {
	return NULL;
}

IVDMediaOutputStream *AVIOutputNull::createVideoStream() {
	videoOut = new_nothrow AVIVideoNullOutputStream;
	if (!videoOut)
		throw MyMemoryError();
	return videoOut;
}
