LRESULT CALLBACK FrameCallBack( HWND hWnd, LPVIDEOHDR lpVHdr )
{
char *afterCompression; // указатель на сжатые данные
long OutActSize;
afterCompression = (char*)ICSeqCompressFrame( &CapVar ,
0 ,
MainBuffer , // данные кадра для сжатия
&bKeyFrame , // bKeyFrame = 1 если кадр ключевой
&OutActSize ); // OutActSize - содержит размер полученных данных
memcpy( MainBuffer , afterCompression , OutActSize ); // теперь MainBuffer[] содержит сжатые данные
frameSize = OutActSize;
return (LRESULT)TRUE ;
}
// Function name : PASCAL VideoCallbackProc
// Description : Encode the captured frame
// Return type : LRESULT FAR
// Argument : HWND hWnd
// Argument : LPVIDEOHDR lpVHdr
LRESULT FAR PASCAL VideoCallbackProc(HWND hWnd, LPVIDEOHDR lpVHdr)
{
unsigned char *bufi, *buf;
int type=0;
int quant=0;
int declen=0;
int enclen=0;
bufi = new unsigned char[lpVHdr->dwBytesUsed+40]; //original image
buf = new unsigned char[lpVHdr->dwBytesUsed]; //coded stream
memcpy((void *)(bufi), lpVHdr->lpData, lpVHdr->dwBytesUsed);
unsigned char *buf1;
buf1 = buf;
if (m_vfwState==ENCDEC) {
//Encode
buf1 = (unsigned char*)ICSeqCompressFrame(&pc,0,bufi, &IsKeyFrame,&FrameSize);
//enc_main(bufi, buf, (int *)&FrameSize, &IsKeyFrame, -1);
////////////////////////////////
if (bSaveAVI){
AVIStreamSetFormat(pMainFrame->ps,pMainFrame->m_Frame++,lpbiTmp,sizeof(BITMAPINFO));
AVIStreamWrite(pMainFrame->ps,pMainFrame->m_Frame, 1, (LPBYTE)buf1,
lpbiTmp->bmiHeader.biSizeImage,AVIIF_KEYFRAME,NULL,NULL);
}
////////////////////////////////
//Decode
ICDecompress(hic2,0,&lpbiTmp->bmiHeader,buf1,&lpbiOut->bmiHeader,&bufo[40]);
} else {
enc_main(bufi,buf, &IsKeyFrame,&type,&quant,&enclen);
declen = dec_main(buf, bufi, enclen,lpbiIn->bmiHeader.biWidth);
pMainFrame->conv.YV12_to_RGB24(bufi,
bufi+(lpbiIn->bmiHeader.biWidth*lpbiIn->bmiHeader.biHeight),
bufi+(lpbiIn->bmiHeader.biWidth*lpbiIn->bmiHeader.biHeight*5/4),
&bufo[40],
lpbiIn->bmiHeader.biWidth,
lpbiIn->bmiHeader.biHeight);
}
pMainFrame->GetActiveView()->InvalidateRect(NULL,FALSE);
delete bufi;
delete buf;
return (LRESULT) TRUE;
}
static void test_ICSeqCompress(void)
{
/* The purpose of this test is to validate sequential frame compressing
* functions. The MRLE codec will be used because Wine supports it and
* it is present in any Windows.
*/
HIC h;
DWORD err, vidc = mmioFOURCC('v','i','d','c'), mrle = mmioFOURCC('m', 'r', 'l', 'e');
DWORD i;
LONG frame_len;
BOOL key_frame, ret;
char *frame;
COMPVARS pc;
struct { BITMAPINFOHEADER header; RGBQUAD map[256]; }
input_header = { {sizeof(BITMAPINFOHEADER), 32, 1, 1, 8, 0, 32*8, 0, 0, 256, 256},
{{255,0,0}, {0,255,0}, {0,0,255}, {255,255,255}}};
PBITMAPINFO bitmap = (PBITMAPINFO) &input_header;
static BYTE input[32] = {1,2,3,3,3,3,2,3,1};
static const BYTE output_kf[] = {1,1,1,2,4,3,0,3,2,3,1,0,23,0,0,0,0,1}, /* key frame*/
output_nkf[] = {0,0,0,1}; /* non key frame */
h = ICOpen(vidc, mrle, ICMODE_COMPRESS);
ok(h != NULL, "Expected non-NULL\n");
pc.cbSize = sizeof(pc);
pc.dwFlags = ICMF_COMPVARS_VALID;
pc.fccType = vidc;
pc.fccHandler = mrle;
pc.hic = h;
pc.lpbiIn = NULL;
pc.lpbiOut = NULL;
pc.lpBitsOut = pc.lpBitsPrev = pc.lpState = NULL;
pc.lQ = ICQUALITY_DEFAULT;
pc.lKey = 1;
pc.lDataRate = 300;
pc.lpState = NULL;
pc.cbState = 0;
ret = ICSeqCompressFrameStart(&pc, bitmap);
ok(ret == TRUE, "Expected TRUE\n");
/* Check that reserved pointers were allocated */
ok(pc.lpbiIn != NULL, "Expected non-NULL\n");
ok(pc.lpbiOut != NULL, "Expected non-NULL\n");
for(i = 0; i < 9; i++)
{
frame_len = 0;
frame = ICSeqCompressFrame(&pc, 0, input, &key_frame, &frame_len);
ok(frame != NULL, "Frame[%d]: Expected non-NULL\n", i);
if (frame_len == sizeof(output_nkf))
ok(!memcmp(output_nkf, frame, frame_len), "Frame[%d]: Contents do not match\n", i);
else if (frame_len == sizeof(output_kf))
ok(!memcmp(output_kf, frame, frame_len), "Frame[%d]: Contents do not match\n", i);
else
ok(0, "Unknown frame size of %d byten\n", frame_len);
}
ICSeqCompressFrameEnd(&pc);
ICCompressorFree(&pc);
/* ICCompressorFree already closed the HIC */
err = ICClose(h);
ok(err == ICERR_BADHANDLE, "Expected -8, got %d\n", err);
}
