ICodec.cpp

/*******************************************************************************
 * Copyright (c) 2024, 2026, Olivier Ayache.  All rights reserved.
 *
 * This file is part of AVPKit.
 *
 * AVPKit 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 3 of the License, or
 * (at your option) any later version.
 *
 * AVPKit 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with AVPKit.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
 
#include "ICodec.h"
#include "Global.h"
#include "Codec.h"
 
#include "FfmpegIncludes.h"
 
namespace com { namespace avpkit { namespace core
{
 
  ICodec :: ICodec()
  {
  }
 
  ICodec :: ~ICodec()
  {
  }
 
  ICodec *
  ICodec :: findEncodingCodec(ICodec::ID id, const IPixelFormat::Type type)
  {
    Global::init();
    return Codec::findEncodingCodec(id, type);
  }
 
  ICodec *
  ICodec :: findEncodingCodecByIntID(int id)
  {
    Global::init();
    return Codec::findEncodingCodecByIntID(id);
  }
  
  ICodec *
  ICodec :: findEncodingCodecByName(const char *name)
  {
    Global::init();
    return Codec::findEncodingCodecByName(name);
  }
 
  ICodec *
  ICodec :: findDecodingCodec(const ICodec::ID id, const IPixelFormat::Type type)
  {
    Global::init();
    return Codec::findDecodingCodec(id, type);
  }
  
  ICodec *
  ICodec :: findDecodingCodecByIntID(int id)
  {
    Global::init();
    return Codec::findDecodingCodecByIntID(id);
  }
  
  ICodec*
  ICodec :: findDecodingCodecByName(const char* name)
  {
    Global::init();
    return Codec::findDecodingCodecByName(name);
  }
 
  ICodec*
  ICodec :: guessEncodingCodec(IContainerFormat* fmt,
      const char* shortName,
      const char* url,
      const char* mimeType,
      ICodec::Type type)
  {
    Global::init();
    return Codec::guessEncodingCodec(fmt, shortName, url, mimeType, type);
  }
 
  int32_t
  ICodec :: getNumInstalledCodecs()
  {
    Global::init();
    int32_t numInstalledCodecs = 0;
    AVCodec * codec = 0;
    while((codec = av_codec_next(codec))!=0)
      ++numInstalledCodecs;
    return numInstalledCodecs;
  }
  
  ICodec*
  ICodec :: getInstalledCodec(int32_t index)
  {
    Global::init();
    if (index < 0)
      return 0;
    
    AVCodec * codec = 0;
    for(int32_t i = 0; (codec = av_codec_next(codec))!=0; i++)
    {
      if (i == index)
        return Codec::make(codec);
    }
    return 0;
  }
 
}}}