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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library 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 of the License, or (at your option) any later version.
//
// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "VideoInfo.h"
#include "../base/Exception.h"
namespace avg {
using namespace std;
VideoInfo::VideoInfo()
{
}
VideoInfo::VideoInfo(string sContainerFormat, float duration, int bitrate, bool bHasVideo,
bool bHasAudio)
: m_sContainerFormat(sContainerFormat),
m_Duration(duration),
m_Bitrate(bitrate),
m_bHasVideo(bHasVideo),
m_bHasAudio(bHasAudio)
{
}
void VideoInfo::setVideoData(const IntPoint& size, const string& sPixelFormat,
int numFrames, float streamFPS, const string& sVCodec,
bool bUsesVDPAU, float duration)
{
AVG_ASSERT(m_bHasVideo);
m_Size = size;
m_sPixelFormat = sPixelFormat;
m_NumFrames = numFrames;
m_StreamFPS = streamFPS;
m_sVCodec = sVCodec;
m_bUsesVDPAU = bUsesVDPAU;
m_VideoDuration = duration;
}
void VideoInfo::setAudioData(const string& sACodec, int sampleRate, int numAudioChannels,
float duration)
{
AVG_ASSERT(m_bHasAudio);
m_sACodec = sACodec;
m_SampleRate = sampleRate;
m_NumAudioChannels = numAudioChannels;
m_AudioDuration = duration;
}
float getStreamFPS(AVStream* pStream)
{
float fps = 0;
if (pStream->avg_frame_rate.den != 0) {
fps = float(av_q2d(pStream->avg_frame_rate));
}
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 25, 0)
if (fps == 0 && pStream->r_frame_rate.den != 0) {
fps = float(av_q2d(pStream->r_frame_rate));
}
#endif
if (fps == 0) {
float duration = float(pStream->duration)*float(av_q2d(pStream->time_base));
fps = pStream->nb_frames/duration;
}
AVG_ASSERT(fps < 10000);
/*
cerr << "getStreamFPS: fps= " << fps << endl;
cerr << " r_frame_rate num: " << m_pVStream->r_frame_rate.num << ", den: " << m_pVStream->r_frame_rate.den << endl;
cerr << " avg_frame_rate: num: " << m_pVStream->avg_frame_rate.num << ", den: " << m_pVStream->avg_frame_rate.den << endl;
cerr << " numFrames= " << getNumFrames() << ", duration= "
<< getDuration(SS_VIDEO) << endl;
*/
return fps;
}
}
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