1 files changed, 158 insertions, 0 deletions
diff --git a/mpeglib/lib/yuv/yuvPlugin.cpp b/mpeglib/lib/yuv/yuvPlugin.cpp
new file mode 100644
index 00000000..94697aa8
--- /dev/null
+++ b/mpeglib/lib/yuv/yuvPlugin.cpp
@@ -0,0 +1,158 @@
+/*
+  raw yuv stream player
+  Copyright (C) 2000  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+#include "yuvPlugin.h"
+
+#include <iostream>
+
+using namespace std;
+
+
+YUVPlugin::YUVPlugin() {
+  init();
+}
+
+
+YUVPlugin::~YUVPlugin() {
+}
+
+
+void YUVPlugin::init() {
+  lCalcLength=false;
+  nWidth=0;
+  nHeight=0;
+  imageType=PICTURE_YUVMODE_CR_CB;
+  picPerSec=1.0;
+}
+
+
+void YUVPlugin::decoder_loop() {
+
+
+
+  cout << "YUVPlugin::decoder_loop() 1"<<endl;
+  if (input == NULL) {
+    cout << "YUVPlugin::decoder_loop input is NULL"<<endl;
+    exit(0);
+  }
+  if (output == NULL) {
+    cout << "YUVPlugin::decoder_loop output is NULL"<<endl;
+    exit(0);
+  }
+
+
+  PictureArray* pictureArray;
+
+
+  int bytes=nWidth*nHeight;
+
+  if ( (imageType == PICTURE_YUVMODE_CR_CB) ||
+       (imageType == PICTURE_YUVMODE_CB_CR) ) {
+    bytes=bytes+bytes/2;
+  }
+  if ( (imageType == PICTURE_RGB) ||
+       (imageType == PICTURE_RGB_FLIPPED) ) {
+    bytes=bytes*4;
+  }
+
+  
+
+
+  // decode loop
+  while(runCheck()) {
+    switch(streamState) {
+    case _STREAM_STATE_FIRST_INIT :
+      output->openWindow(nWidth,nHeight,(char*)"yuv Viewer");
+      pictureArray=output->lockPictureArray();
+      cout << "pictureArray->setImageType"<<endl;
+      pictureArray->setImageType(imageType);
+      
+      setStreamState(_STREAM_STATE_INIT);
+      break;
+    case _STREAM_STATE_INIT :
+      setStreamState(_STREAM_STATE_PLAY);
+      break;
+    case _STREAM_STATE_PLAY : {
+      // we read from input raw yuv bytes 
+      // and display them.
+      pictureArray=output->lockPictureArray();
+      // now we have the color info
+      YUVPicture* pic=pictureArray->getPast();
+      unsigned char* dest=pic->getImagePtr();
+      input->read((char*)dest,bytes);
+      pic->setPicturePerSecond(picPerSec);
+      // now inform subsystem about the frame to display
+      pictureArray->setYUVPictureCallback(pic);
+      //  display it
+      output->unlockPictureArray(pictureArray);
+
+      pictureArray->setYUVPictureCallback(NULL);
+      break;
+    }
+    case _STREAM_STATE_WAIT_FOR_END:
+      // exit while loop
+      lDecoderLoop=false;
+      cout << "mpegplugin _STREAM_STATE_WAIT_FOR_END"<<endl;
+      break;
+    default:
+      cout << "unknown stream state:"<<streamState<<endl;
+    }
+  }
+
+  cout << "*********mpegPLugin exit"<<endl;
+
+  output->flushWindow();
+  // copy sequence back if needed
+
+  cout << "delete mpegVideoStream"<<endl;
+
+}
+
+
+
+
+
+// here we can config our decoder with special flags
+void YUVPlugin::config(const char* key,const char* value,void* user_data) {
+  if (strcmp(key,"-c")==0) {
+    lCalcLength=false;
+  }
+
+  if (strcmp(key,"height")==0) {
+    nHeight=atoi(value);
+  }    
+  if (strcmp(key,"width")==0) {
+    nWidth=atoi(value);
+  }    
+  if (strcmp(key,"imageType")==0) {
+    imageType=atoi(value);
+    cout << "imageType:"<<imageType<<endl;
+  }      
+  if (strcmp(key,"picPerSec")==0) {
+    picPerSec=atoi(value);
+  }
+  DecoderPlugin::config(key,value,user_data);
+}
+
+
+
+int YUVPlugin::getSongLength() {
+  int back=0;
+  return back;
+}
+
+
+
+
+
+