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/***************************************************************************
* Copyright (C) 2009-2021 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QRegularExpression>
extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
}
#include <stdint.h>
#include "ffmpegmetadatamodel.h"
FFmpegMetaDataModel::FFmpegMetaDataModel(const QString &path) : MetaDataModel(true)
{
AVFormatContext *in = nullptr;
QString filePath = path;
if(path.startsWith("ffmpeg://"))
{
filePath.remove("ffmpeg://");
filePath.remove(QRegularExpression("#\\d+$"));
}
#ifdef Q_OS_WIN
if (avformat_open_input(&in, filePath.toUtf8().constData(), nullptr, nullptr) < 0)
#else
if (avformat_open_input(&in, filePath.toLocal8Bit().constData(), nullptr, nullptr) < 0)
#endif
return;
if(in)
{
avformat_find_stream_info(in, nullptr);
av_read_play(in);
AVCodecParameters *c = nullptr;
for (uint idx = 0; idx < in->nb_streams; idx++)
{
c = in->streams[idx]->codecpar;
if (c->codec_type == AVMEDIA_TYPE_VIDEO && c->codec_id == AV_CODEC_ID_MJPEG)
break;
}
if (c)
{
AVPacket pkt;
av_read_frame(in, &pkt);
m_pixmap.loadFromData(QByteArray((const char*)pkt.data, pkt.size));
}
avformat_close_input(&in);
}
}
FFmpegMetaDataModel::~FFmpegMetaDataModel()
{}
QPixmap FFmpegMetaDataModel::cover() const
{
return m_pixmap;
}
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