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/*
* dxr3ffmpeg.c
*
* Copyright (C) 2004 Christian Gmeiner
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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 Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "dxr3ffmpeg.h"
#include "dxr3configdata.h"
#include "dxr3log.h"
// ==================================
//! constructor
cDxr3Ffmepg::cDxr3Ffmepg()
{
avcodec_init();
avcodec_register_all();
}
// ==================================
//! look if Codec is supported by ffmpeg
bool cDxr3Ffmepg::FindCodec(struct Dxr3Codec& Codec)
{
// find codec
Codec.codec = avcodec_find_decoder(Codec.id);
if (!Codec.codec)
{
// codec is't supported by ffmpeg
if (cDxr3ConfigData::Instance().GetDebug())
{
cLog::Instance() << "cDxr3Ffmepg::OpenCodec(struct Dxr3Codec& Codec) codec not found (" << Codec.id << ")\n";
}
return false;
}
// init codec_context
memset(&Codec.codec_context, 0, sizeof(Codec.codec_context));
return true;
}
// ==================================
//! try to open Codec
bool cDxr3Ffmepg::OpenCodec(struct Dxr3Codec& Codec)
{
// try to open codec
int result = avcodec_open(&Codec.codec_context, Codec.codec);
if (result < 0)
{
// we could not open codec
if (cDxr3ConfigData::Instance().GetDebug())
{
cLog::Instance() << "cDxr3Ffmepg::OpenCodec(struct Dxr3Codec& Codec) coudnt open codec (" << Codec.id << ")\n";
}
return false;
}
else
{
Codec.Open = true;
}
return true;
}
// ==================================
// close codec
void cDxr3Ffmepg::CloseCodec(struct Dxr3Codec& Codec)
{
if (Codec.Open)
{
avcodec_close(&Codec.codec_context);
Codec.Open = false;
}
}
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