int cap_ic_start(cap_cx *cx, char *err) { char format[32]; char message[80]; if((cx->ic = ICDecompressOpen( ICTYPE_VIDEO, 0, &(cx->pfmt->bmiHeader), NULL))) { cx->outfmtlen = ICDecompressGetFormatSize(cx->ic, cx->pfmt); if((cx->poutfmt = malloc(cx->outfmtlen))) { if(ICDecompressGetFormat(cx->ic, cx->pfmt, cx->poutfmt) == ICERR_OK) { if(ICDecompressBegin(cx->ic, cx->pfmt, cx->poutfmt) == ICERR_OK) { cx->mode = CAP_USE_IC; return 1; } } free(cx->poutfmt); } ICClose(cx->ic); } sprintf(message, "Can't open decompressor for format \"%s\"", reverse_fourcc(format, cx->pfmt->bmiHeader.biCompression)); set_err(message); return 0; }
// init driver static int init(sh_video_t *sh){ HRESULT ret; // unsigned int outfmt=sh->codec->outfmt[sh->outfmtidx]; int i, o_bih_len; vd_vfw_ctx *priv; const char *dll = codec_idx2str(sh->codec->dll_idx); /* Hack for VSSH codec: new dll can't decode old files * In my samples old files have no extradata, so use that info * to decide what dll should be used (here and in vd_dshow). */ if (!strcmp(dll, "vssh264.dll") && (sh->bih->biSize > 40)) return 0; priv = malloc(sizeof(vd_vfw_ctx)); if (!priv) return 0; memset(priv, 0, sizeof(vd_vfw_ctx)); sh->context = priv; mp_msg(MSGT_WIN32,MSGL_V,"======= Win32 (VFW) VIDEO Codec init =======\n"); // win32_codec_name = dll; // sh->hic = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_FASTDECOMPRESS); // priv->handle = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_DECOMPRESS); priv->handle = ICOpen( (long)(dll), sh->bih->biCompression, ICMODE_DECOMPRESS); if(!priv->handle){ mp_msg(MSGT_WIN32,MSGL_ERR,"ICOpen failed! unknown codec / wrong parameters?\n"); return 0; } // sh->bih->biBitCount=32; o_bih_len = ICDecompressGetFormatSize(priv->handle, sh->bih); if(o_bih_len < sizeof(BITMAPINFOHEADER)){ mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormatSize returned a bogus value: %d\n", o_bih_len); return 0; } priv->o_bih = malloc(o_bih_len); memset(priv->o_bih, 0, o_bih_len); mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormatSize ret: %d\n", o_bih_len); ret = ICDecompressGetFormat(priv->handle, sh->bih, priv->o_bih); if(ret < 0){ mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormat failed: Error %d\n", (int)ret); for (i=0; i < o_bih_len; i++) mp_msg(MSGT_WIN32, MSGL_DBG2, "%02x ", priv->o_bih[i]); return 0; } mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormat OK\n"); #if 0 // workaround for pegasus MJPEG: if(!sh_video->o_bih.biWidth) sh_video->o_bih.biWidth=sh_video->bih->biWidth; if(!sh_video->o_bih.biHeight) sh_video->o_bih.biHeight=sh_video->bih->biHeight; if(!sh_video->o_bih.biPlanes) sh_video->o_bih.biPlanes=sh_video->bih->biPlanes; #endif // ok let libvo and vd core to handshake and decide the optimal csp: if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2)) return 0; if (!(sh->codec->outflags[sh->outfmtidx]&CODECS_FLAG_FLIP)) { priv->o_bih->biHeight=-sh->bih->biHeight; // flip image! } // ok, let's set the choosen colorspace: set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]); // fake it to RGB for broken DLLs (divx3) if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK) priv->o_bih->biCompression = 0; // sanity check: #ifdef BUILD_VFWEX ret = ICDecompressQueryEx(priv->handle, sh->bih, priv->o_bih); #else ret = ICDecompressQuery(priv->handle, sh->bih, priv->o_bih); #endif if (ret) { mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressQuery failed: Error %d\n", (int)ret); // return 0; } else mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressQuery OK\n"); #ifdef BUILD_VFWEX ret = ICDecompressBeginEx(priv->handle, sh->bih, priv->o_bih); #else ret = ICDecompressBegin(priv->handle, sh->bih, priv->o_bih); #endif if (ret) { mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressBegin failed: Error %d\n", (int)ret); // return 0; } // for broken codecs set it again: if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK) set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]); mp_msg(MSGT_WIN32, MSGL_V, "Input format:\n"); if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh->bih,MSGL_V); mp_msg(MSGT_WIN32, MSGL_V, "Output format:\n"); if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(priv->o_bih,MSGL_V); // set postprocessing level in xvid/divx4 .dll ICSendMessage(priv->handle, ICM_USER+80, (long)(&divx_quality), 0); // don't do this palette mess always, it makes div3 dll crashing... if(sh->codec->outfmt[sh->outfmtidx]==IMGFMT_BGR8){ if(ICDecompressGetPalette(priv->handle, sh->bih, priv->o_bih)){ priv->palette = (unsigned char*)(priv->o_bih+1); mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetPalette OK\n"); } else { if(sh->bih->biSize>=40+4*4) priv->palette = (unsigned char*)(sh->bih+1); } } mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32 video codec init OK!\n"); return 1; }
HANDLE VFWAPI ICImageDecompress( HIC hic, UINT uiFlags, LPBITMAPINFO lpbiIn, LPVOID lpBits, LPBITMAPINFO lpbiOut) { HGLOBAL hMem = NULL; BYTE* pMem = NULL; BOOL bReleaseIC = FALSE; BYTE* pHdr = NULL; ULONG cbHdr = 0; BOOL bSucceeded = FALSE; BOOL bInDecompress = FALSE; DWORD biSizeImage; TRACE("(%p,%08x,%p,%p,%p)\n", hic, uiFlags, lpbiIn, lpBits, lpbiOut); if ( hic == NULL ) { hic = ICDecompressOpen( ICTYPE_VIDEO, 0, &lpbiIn->bmiHeader, (lpbiOut != NULL) ? &lpbiOut->bmiHeader : NULL ); if ( hic == NULL ) { WARN("no handler\n" ); goto err; } bReleaseIC = TRUE; } if ( uiFlags != 0 ) { FIXME( "unknown flag %08x\n", uiFlags ); goto err; } if ( lpbiIn == NULL || lpBits == NULL ) { WARN("invalid argument\n"); goto err; } if ( lpbiOut != NULL ) { if ( lpbiOut->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) ) goto err; cbHdr = sizeof(BITMAPINFOHEADER); if ( lpbiOut->bmiHeader.biCompression == 3 ) cbHdr += sizeof(DWORD)*3; else if ( lpbiOut->bmiHeader.biBitCount <= 8 ) { if ( lpbiOut->bmiHeader.biClrUsed == 0 ) cbHdr += sizeof(RGBQUAD) * (1<<lpbiOut->bmiHeader.biBitCount); else cbHdr += sizeof(RGBQUAD) * lpbiOut->bmiHeader.biClrUsed; } } else { TRACE( "get format\n" ); cbHdr = ICDecompressGetFormatSize(hic,lpbiIn); if ( cbHdr < sizeof(BITMAPINFOHEADER) ) goto err; pHdr = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,cbHdr+sizeof(RGBQUAD)*256); if ( pHdr == NULL ) goto err; if ( ICDecompressGetFormat( hic, lpbiIn, pHdr ) != ICERR_OK ) goto err; lpbiOut = (BITMAPINFO*)pHdr; if ( lpbiOut->bmiHeader.biBitCount <= 8 && ICDecompressGetPalette( hic, lpbiIn, lpbiOut ) != ICERR_OK && lpbiIn->bmiHeader.biBitCount == lpbiOut->bmiHeader.biBitCount ) { if ( lpbiIn->bmiHeader.biClrUsed == 0 ) memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*(1<<lpbiOut->bmiHeader.biBitCount) ); else memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*lpbiIn->bmiHeader.biClrUsed ); } if ( lpbiOut->bmiHeader.biBitCount <= 8 && lpbiOut->bmiHeader.biClrUsed == 0 ) lpbiOut->bmiHeader.biClrUsed = 1<<lpbiOut->bmiHeader.biBitCount; lpbiOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); cbHdr = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*lpbiOut->bmiHeader.biClrUsed; } biSizeImage = lpbiOut->bmiHeader.biSizeImage; if ( biSizeImage == 0 ) biSizeImage = ((((lpbiOut->bmiHeader.biWidth * lpbiOut->bmiHeader.biBitCount + 7) >> 3) + 3) & (~3)) * abs(lpbiOut->bmiHeader.biHeight); TRACE( "call ICDecompressBegin\n" ); if ( ICDecompressBegin( hic, lpbiIn, lpbiOut ) != ICERR_OK ) goto err; bInDecompress = TRUE; TRACE( "cbHdr %d, biSizeImage %d\n", cbHdr, biSizeImage ); hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_ZEROINIT, cbHdr + biSizeImage ); if ( hMem == NULL ) { WARN( "out of memory\n" ); goto err; } pMem = GlobalLock( hMem ); if ( pMem == NULL ) goto err; memcpy( pMem, lpbiOut, cbHdr ); TRACE( "call ICDecompress\n" ); if ( ICDecompress( hic, 0, &lpbiIn->bmiHeader, lpBits, &lpbiOut->bmiHeader, pMem+cbHdr ) != ICERR_OK ) goto err; bSucceeded = TRUE; err: if ( bInDecompress ) ICDecompressEnd( hic ); if ( bReleaseIC ) ICClose(hic); HeapFree(GetProcessHeap(),0,pHdr); if ( pMem != NULL ) GlobalUnlock( hMem ); if ( !bSucceeded && hMem != NULL ) { GlobalFree(hMem); hMem = NULL; } return hMem; }
static HRESULT AVIFILE_OpenGetFrame(IAVIStreamImpl *This) { LPBITMAPINFOHEADER lpbi; DWORD size; /* pre-conditions */ assert(This != NULL); assert(This->pStream != NULL); assert(This->pg == NULL); This->pg = AVIStreamGetFrameOpen(This->pStream, NULL); if (This->pg == NULL) return AVIERR_ERROR; /* When we only decompress this is enough */ if (This->sInfo.fccHandler == comptypeDIB) return AVIERR_OK; assert(This->hic != NULL); assert(This->lpbiOutput == NULL); /* get input format */ lpbi = AVIStreamGetFrame(This->pg, This->sInfo.dwStart); if (lpbi == NULL) return AVIERR_MEMORY; /* get memory for output format */ size = ICCompressGetFormatSize(This->hic, lpbi); if ((LONG)size < (LONG)sizeof(BITMAPINFOHEADER)) return AVIERR_COMPRESSOR; This->lpbiOutput = HeapAlloc(GetProcessHeap(), 0, size); if (This->lpbiOutput == NULL) return AVIERR_MEMORY; This->cbOutput = size; if (ICCompressGetFormat(This->hic, lpbi, This->lpbiOutput) < S_OK) return AVIERR_BADFORMAT; /* update AVISTREAMINFO structure */ This->sInfo.rcFrame.right = This->sInfo.rcFrame.left + This->lpbiOutput->biWidth; This->sInfo.rcFrame.bottom = This->sInfo.rcFrame.top + This->lpbiOutput->biHeight; This->sInfo.dwSuggestedBufferSize = ICCompressGetSize(This->hic, lpbi, This->lpbiOutput); /* prepare codec for compression */ if (ICCompressBegin(This->hic, lpbi, This->lpbiOutput) != S_OK) return AVIERR_COMPRESSOR; /* allocate memory for current frame */ size += This->sInfo.dwSuggestedBufferSize; This->lpbiCur = HeapAlloc(GetProcessHeap(), 0, size); if (This->lpbiCur == NULL) return AVIERR_MEMORY; memcpy(This->lpbiCur, This->lpbiOutput, This->cbOutput); This->lpCur = DIBPTR(This->lpbiCur); /* allocate memory for last frame if needed */ if (This->lKeyFrameEvery != 1 && (This->dwICMFlags & VIDCF_FASTTEMPORALC) == 0) { size = ICDecompressGetFormatSize(This->hic, This->lpbiOutput); This->lpbiPrev = HeapAlloc(GetProcessHeap(), 0, size); if (This->lpbiPrev == NULL) return AVIERR_MEMORY; if (ICDecompressGetFormat(This->hic, This->lpbiOutput, This->lpbiPrev) < S_OK) return AVIERR_COMPRESSOR; if (This->lpbiPrev->biSizeImage == 0) { This->lpbiPrev->biSizeImage = DIBWIDTHBYTES(*This->lpbiPrev) * This->lpbiPrev->biHeight; } /* get memory for format and picture */ size += This->lpbiPrev->biSizeImage; This->lpbiPrev = HeapReAlloc(GetProcessHeap(), 0, This->lpbiPrev, size ); if (This->lpbiPrev == NULL) return AVIERR_MEMORY; This->lpPrev = DIBPTR(This->lpbiPrev); /* prepare codec also for decompression */ if (ICDecompressBegin(This->hic,This->lpbiOutput,This->lpbiPrev) != S_OK) return AVIERR_COMPRESSOR; } return AVIERR_OK; }
static HRESULT WINAPI ICMStream_fnSetFormat(IAVIStream *iface, LONG pos, LPVOID format, LONG formatsize) { IAVIStreamImpl *This = impl_from_IAVIStream(iface); TRACE("(%p,%d,%p,%d)\n", iface, pos, format, formatsize); /* check parameters */ if (format == NULL || formatsize <= 0) return AVIERR_BADPARAM; /* We can only accept RGB data for writing */ if (((LPBITMAPINFOHEADER)format)->biCompression != BI_RGB) { WARN(": need RGB data as input\n"); return AVIERR_UNSUPPORTED; } /* Input format already known? * Changing of palette is supported, but be quiet if it's the same */ if (This->lpbiInput != NULL) { if (This->cbInput != formatsize) return AVIERR_UNSUPPORTED; if (memcmp(format, This->lpbiInput, formatsize) == 0) return AVIERR_OK; } /* Does the nested stream support writing? */ if ((This->sInfo.dwCaps & AVIFILECAPS_CANWRITE) == 0) return AVIERR_READONLY; /* check if frame is already written */ if (This->sInfo.dwLength + This->sInfo.dwStart > pos) return AVIERR_UNSUPPORTED; /* check if we should compress */ if (This->sInfo.fccHandler == 0 || This->sInfo.fccHandler == mmioFOURCC('N','O','N','E')) This->sInfo.fccHandler = comptypeDIB; /* only pass through? */ if (This->sInfo.fccHandler == comptypeDIB) return IAVIStream_SetFormat(This->pStream, pos, format, formatsize); /* initial format setting? */ if (This->lpbiInput == NULL) { ULONG size; assert(This->hic != NULL); /* get memory for input format */ This->lpbiInput = HeapAlloc(GetProcessHeap(), 0, formatsize); if (This->lpbiInput == NULL) return AVIERR_MEMORY; This->cbInput = formatsize; memcpy(This->lpbiInput, format, formatsize); /* get output format */ size = ICCompressGetFormatSize(This->hic, This->lpbiInput); if (size < sizeof(BITMAPINFOHEADER)) return AVIERR_COMPRESSOR; This->lpbiOutput = HeapAlloc(GetProcessHeap(), 0, size); if (This->lpbiOutput == NULL) return AVIERR_MEMORY; This->cbOutput = size; if (ICCompressGetFormat(This->hic,This->lpbiInput,This->lpbiOutput) < S_OK) return AVIERR_COMPRESSOR; /* update AVISTREAMINFO structure */ This->sInfo.rcFrame.right = This->sInfo.rcFrame.left + This->lpbiOutput->biWidth; This->sInfo.rcFrame.bottom = This->sInfo.rcFrame.top + This->lpbiOutput->biHeight; /* prepare codec for compression */ if (ICCompressBegin(This->hic, This->lpbiInput, This->lpbiOutput) != S_OK) return AVIERR_COMPRESSOR; /* allocate memory for compressed frame */ size = ICCompressGetSize(This->hic, This->lpbiInput, This->lpbiOutput); This->lpbiCur = HeapAlloc(GetProcessHeap(), 0, This->cbOutput + size); if (This->lpbiCur == NULL) return AVIERR_MEMORY; memcpy(This->lpbiCur, This->lpbiOutput, This->cbOutput); This->lpCur = DIBPTR(This->lpbiCur); /* allocate memory for last frame if needed */ if (This->lKeyFrameEvery != 1 && (This->dwICMFlags & VIDCF_FASTTEMPORALC) == 0) { size = ICDecompressGetFormatSize(This->hic, This->lpbiOutput); This->lpbiPrev = HeapAlloc(GetProcessHeap(), 0, size); if (This->lpbiPrev == NULL) return AVIERR_MEMORY; if (ICDecompressGetFormat(This->hic, This->lpbiOutput, This->lpbiPrev) < S_OK) return AVIERR_COMPRESSOR; if (This->lpbiPrev->biSizeImage == 0) { This->lpbiPrev->biSizeImage = DIBWIDTHBYTES(*This->lpbiPrev) * This->lpbiPrev->biHeight; } /* get memory for format and picture */ size += This->lpbiPrev->biSizeImage; This->lpbiPrev = HeapReAlloc(GetProcessHeap(), 0, This->lpbiPrev, size); if (This->lpbiPrev == NULL) return AVIERR_MEMORY; This->lpPrev = DIBPTR(This->lpbiPrev); /* prepare codec also for decompression */ if (ICDecompressBegin(This->hic,This->lpbiOutput,This->lpbiPrev) != S_OK) return AVIERR_COMPRESSOR; } } else { /* format change -- check that's only the palette */ LPBITMAPINFOHEADER lpbi = format; if (lpbi->biSize != This->lpbiInput->biSize || lpbi->biWidth != This->lpbiInput->biWidth || lpbi->biHeight != This->lpbiInput->biHeight || lpbi->biBitCount != This->lpbiInput->biBitCount || lpbi->biPlanes != This->lpbiInput->biPlanes || lpbi->biCompression != This->lpbiInput->biCompression || lpbi->biClrUsed != This->lpbiInput->biClrUsed) return AVIERR_UNSUPPORTED; /* get new output format */ if (ICCompressGetFormat(This->hic, lpbi, This->lpbiOutput) < S_OK) return AVIERR_BADFORMAT; /* restart compression */ ICCompressEnd(This->hic); if (ICCompressBegin(This->hic, lpbi, This->lpbiOutput) != S_OK) return AVIERR_COMPRESSOR; /* check if we need to restart decompression also */ if (This->lKeyFrameEvery != 1 && (This->dwICMFlags & VIDCF_FASTTEMPORALC) == 0) { ICDecompressEnd(This->hic); if (ICDecompressGetFormat(This->hic,This->lpbiOutput,This->lpbiPrev) < S_OK) return AVIERR_COMPRESSOR; if (ICDecompressBegin(This->hic,This->lpbiOutput,This->lpbiPrev) != S_OK) return AVIERR_COMPRESSOR; } } /* tell nested stream the new format */ return IAVIStream_SetFormat(This->pStream, pos, This->lpbiOutput, This->cbOutput); }