mirror of
https://github.com/f4exb/sdrangel.git
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195 lines
5.2 KiB
C
195 lines
5.2 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 F4HKW //
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// for F4EXB / SDRAngel //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef DATVIDEORENDER_H
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#define DATVIDEORENDER_H
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#include <QWidget>
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#include <QEvent>
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#include <QIODevice>
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#include <QThread>
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#include "datvscreen.h"
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#include "datvideostream.h"
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extern "C"
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{
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#include "libavcodec/avcodec.h"
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#include "libavformat/avformat.h"
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#include <libavutil/opt.h>
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#include <libavutil/channel_layout.h>
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#include <libavutil/common.h>
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#include <libavutil/imgutils.h>
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#include <libavutil/mathematics.h>
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#include <libavutil/samplefmt.h>
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#include "libswscale/swscale.h"
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}
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struct DataTSMetaData2
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{
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int PID;
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int CodecID;
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QString Program;
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QString Stream;
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int Width;
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int Height;
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int BitRate;
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int Channels;
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QString CodecDescription;
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DataTSMetaData2()
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{
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PID=-1;
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CodecID=-1;
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Program="";
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Stream="";
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Width=-1;
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Height=-1;
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BitRate=-1;
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Channels=-1;
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CodecDescription="";
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}
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};
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class DATVideoRender : public DATVScreen
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{
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Q_OBJECT
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public:
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explicit DATVideoRender(QWidget * parent);
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void SetFullScreen(bool blnFullScreen);
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bool OpenStream(DATVideostream *objDevice);
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bool RenderStream();
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bool CloseStream(QIODevice *objDevice);
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struct DataTSMetaData2 MetaData;
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private:
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bool m_blnRunning;
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bool m_blnIsFullScreen;
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bool m_blnIsFFMPEGInitialized;
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bool m_blnIsOpen;
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SwsContext *m_objSwsCtx;
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AVFormatContext *m_objFormatCtx;
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AVCodecContext *m_objDecoderCtx;
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AVFrame *m_objFrame;
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uint8_t *m_pbytDecodedData[4];
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int m_pintDecodedLineSize[4];
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int m_intFrameCount;
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int m_intVideoStreamIndex;
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int m_intCurrentRenderWidth;
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int m_intCurrentRenderHeight;
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bool InitializeFFMPEG();
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bool PreprocessStream();
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protected:
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virtual bool eventFilter(QObject *obj, QEvent *event);
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signals:
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public slots:
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};
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class DATVideoRenderThread: public QThread
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{
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public:
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DATVideoRenderThread()
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{
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m_objRenderer = NULL;
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m_objStream = NULL;
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m_blnRenderingVideo=false;
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}
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DATVideoRenderThread(DATVideoRender *objRenderer, DATVideostream *objStream)
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{
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m_objRenderer = objRenderer;
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m_objStream = objStream;
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m_blnRenderingVideo=false;
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}
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void setStreamAndRenderer(DATVideoRender *objRenderer, DATVideostream *objStream)
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{
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m_objRenderer = objRenderer;
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m_objStream = objStream;
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m_blnRenderingVideo=false;
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}
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void run()
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{
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if(m_blnRenderingVideo==true)
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{
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return;
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}
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if((m_objRenderer==NULL) || (m_objStream==NULL))
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{
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return ;
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}
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m_blnRenderingVideo=false;
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if(m_objRenderer->OpenStream(m_objStream))
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{
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printf("PID: %d W: %d H: %d Codec: %s Data: %s %s\r\n",m_objRenderer->MetaData.PID
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,m_objRenderer->MetaData.Width
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,m_objRenderer->MetaData.Height
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,m_objRenderer->MetaData.CodecDescription.toStdString().c_str()
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,m_objRenderer->MetaData.Program.toStdString().c_str()
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,m_objRenderer->MetaData.Stream.toStdString().c_str());
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m_blnRenderingVideo=true;
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}
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while((m_objRenderer->RenderStream()) && (m_blnRenderingVideo==true))
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{
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}
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m_objRenderer->CloseStream(m_objStream);
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}
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void stopRendering()
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{
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m_blnRenderingVideo=false;
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}
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private:
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DATVideoRender *m_objRenderer;
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DATVideostream *m_objStream;
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bool m_blnRenderingVideo;
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};
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#endif // DATVIDEORENDER_H
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