Initial

2024-08-07 09:12:07 -04:00
parent ca445435a0
commit fdfadd5c7e
1021 changed files with 73601 additions and 0 deletions
--- a/avifile/Compressor.cpp
+++ b/avifile/Compressor.cpp
@@ -0,0 +1,139 @@
+#include <avifile/Compressor.hpp>
+
+/*
+ * open - open the specified compressor
+ * @param - fccHandler requested compressor
+ * @return - bool indicates success or failure
+*/
+bool Compressor::open(const FOURCC &fccHandler)
+{
+  close();
+	mhIC=ICOpen(FOURCC("vidc"),fccHandler,ICMODE_COMPRESS);
+	if(!isOkay())return false;
+	ICGetInfo(mhIC,&mCompressorInfo.getICINFO(),mCompressorInfo.size());
+	::printf(String("[Compressor::open]")+mCompressorInfo.toString());
+	return true;
+}
+
+/*
+ * close - close down the compressor
+ * @param - none
+ * @return - none
+*/
+void Compressor::close(void)
+{
+  if(!isOkay())return;
+	compressEnd();
+	ICClose(mhIC);
+	mhIC=0;
+}
+
+/*
+ * getFormat - get the output format for source bitmap
+ * @param - srcBitmap source bitmap
+ * @param - dstBitmap output format
+ * @return - bool success or failure
+*/
+bool Compressor::getFormat(AVIBitmap &srcBitmap,AVIBitmap &dstBitmap)
+{
+  if(!isOkay())return false;
+	if(ICERR_OK!=ICCompressGetFormat(mhIC,(BITMAPINFO*)srcBitmap,(BITMAPINFO*)dstBitmap))return false;
+	::printf("[Compressor::getFormat] Input:\n%s\n",srcBitmap.toString().str());
+	::printf("[Compressor::getFormat] Output:\n%s\n",dstBitmap.toString().str());
+	return true;
+}
+
+/*
+ * compressQuery - determine if compressor can compress given input format into desired output format
+ * @param - srcBitmap source bitmap
+ * @param - dstBitmap desired output format
+ * @return - bool success or failure
+*/
+bool Compressor::compressQuery(AVIBitmap &srcBitmap,AVIBitmap &dstBitmap)
+{
+  if(!isOkay())return false;
+	if(ICERR_OK!=ICCompressQuery(mhIC,(BITMAPINFO*)srcBitmap,(BITMAPINFO*)dstBitmap))return false;
+	return true;
+}
+
+/*
+ * compressQuery - determine if compressor can compress given input format into any output format
+ * @param - srcBitmap source bitmap
+ * @return - bool success or failure
+*/
+bool Compressor::compressQuery(AVIBitmap &srcBitmap)
+{
+  if(!isOkay())return false;
+	if(ICERR_OK!=ICCompressQuery(mhIC,(BITMAPINFO*)srcBitmap,(BITMAPINFO*)0))return false;
+	return true;
+}
+
+/*
+ * compressBegin - prepare driver to start compressing
+ * @param - srcBitmap contains input format
+ * @param - dstBitmap contains compressed formnat
+ * @return - bool indicating success or failure of call
+*/
+bool Compressor::compressBegin(AVIBitmap &srcBitmap,AVIBitmap &dstBitmap)
+{
+  if(isInCompress())compressEnd();
+	try
+	{
+	  if(ICERR_OK!=ICCompressBegin(mhIC,(BITMAPINFO*)srcBitmap,(BITMAPINFO*)dstBitmap))return false;
+		mIsInCompress=true;
+		return true;
+	}
+	catch(...)
+	{
+	  ::OutputDebugString("[Compressor::compress] Caught exception during compress begin.\n");
+		return false;
+	}
+}
+
+/*
+ * compressEnd - finish compressing
+ * @param - none
+ * @return - none
+*/
+void Compressor::compressEnd(void)
+{
+  if(!isOkay()||!isInCompress())return;
+	ICCompressEnd(mhIC);
+	mIsInCompress=false;
+}
+
+/*
+ * compress - compress a frame
+ * @param - srcBitmap contains input format
+ * @param - srcMovieData contains input data to be compressed
+ * @param - dstBitmap contains compressed formnat
+ * @param - dstMovieData contains compressed data
+ * @return - bool indicating success or failure of call
+*/
+bool Compressor::compress(AVIBitmap &srcBitmap,MovieData &srcMovieData,AVIBitmap &dstBitmap,MovieData &dstMovieData,DWORD dwFrameNumber)
+{
+	DWORD dwFlags;
+	DWORD dwFrameSize;
+
+  if(!isOkay())return false;
+	dwFrameSize=0;
+  if(ICERR_OK!=ICCompressQuery(mhIC,(BITMAPINFO*)srcBitmap,(BITMAPINFO*)0))return false;
+	if(ICERR_OK!=ICCompressGetFormat(mhIC,(BITMAPINFO*)srcBitmap,(BITMAPINFO*)dstBitmap))return false;
+  if(!isInCompress()&&!compressBegin(srcBitmap,dstBitmap))return false;
+	dwFrameSize=ICCompressGetSize(mhIC,(BITMAPINFO*)srcBitmap,(BITMAPINFO*)dstBitmap);
+	dstMovieData.size(dwFrameSize);
+	if(!dstMovieData.size())return false;
+	if(!mCompressorInfo.hasCrunch())dwFrameSize=0;
+  ICCompress(mhIC,
+    ICCOMPRESS_KEYFRAME,
+	  (BITMAPINFOHEADER*)dstBitmap,&dstMovieData[0],
+		(BITMAPINFOHEADER*)srcBitmap,&srcMovieData[0],
+		0,     // Reserved
+		&dwFlags,
+		dwFrameNumber,
+		dwFrameSize,
+		mQuality,
+		0,
+		0);
+	return true;
+}