// 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; }
static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame *iface, LPBITMAPINFOHEADER lpbiWanted, LPVOID lpBits, INT x, INT y, INT dx, INT dy) { IGetFrameImpl *This = impl_from_IGetFrame(iface); AVISTREAMINFOW sInfo; LPBITMAPINFOHEADER lpbi = lpbiWanted; BOOL bBestDisplay = FALSE; TRACE("(%p,%p,%p,%d,%d,%d,%d)\n", iface, lpbiWanted, lpBits, x, y, dx, dy); if (This->pStream == NULL) return AVIERR_ERROR; if (lpbiWanted == (LPBITMAPINFOHEADER)AVIGETFRAMEF_BESTDISPLAYFMT) { lpbi = NULL; bBestDisplay = TRUE; } IAVIStream_Info(This->pStream, &sInfo, sizeof(sInfo)); if (sInfo.fccType != streamtypeVIDEO) return AVIERR_UNSUPPORTED; This->bFormatChanges = (sInfo.dwFlags & AVISTREAMINFO_FORMATCHANGES) != 0; This->dwFormatChangeCount = sInfo.dwFormatChangeCount; This->dwEditCount = sInfo.dwEditCount; This->lCurrentFrame = -1; /* get input format from stream */ if (This->lpInFormat == NULL) { HRESULT hr; This->cbInBuffer = (LONG)sInfo.dwSuggestedBufferSize; if (This->cbInBuffer == 0) This->cbInBuffer = 1024; IAVIStream_ReadFormat(This->pStream, sInfo.dwStart, NULL, &This->cbInFormat); This->lpInFormat = HeapAlloc(GetProcessHeap(), 0, This->cbInFormat + This->cbInBuffer); if (This->lpInFormat == NULL) { AVIFILE_CloseCompressor(This); return AVIERR_MEMORY; } hr = IAVIStream_ReadFormat(This->pStream, sInfo.dwStart, This->lpInFormat, &This->cbInFormat); if (FAILED(hr)) { AVIFILE_CloseCompressor(This); return hr; } This->lpInBuffer = ((LPBYTE)This->lpInFormat) + This->cbInFormat; } /* check input format */ if (This->lpInFormat->biClrUsed == 0 && This->lpInFormat->biBitCount <= 8) This->lpInFormat->biClrUsed = 1u << This->lpInFormat->biBitCount; if (This->lpInFormat->biSizeImage == 0 && This->lpInFormat->biCompression == BI_RGB) { This->lpInFormat->biSizeImage = DIBWIDTHBYTES(*This->lpInFormat) * This->lpInFormat->biHeight; } /* only to pass through? */ if (This->lpInFormat->biCompression == BI_RGB && lpBits == NULL) { if (lpbi == NULL || (lpbi->biCompression == BI_RGB && lpbi->biWidth == This->lpInFormat->biWidth && lpbi->biHeight == This->lpInFormat->biHeight && lpbi->biBitCount == This->lpInFormat->biBitCount)) { This->lpOutFormat = This->lpInFormat; This->lpOutBuffer = DIBPTR(This->lpInFormat); return AVIERR_OK; } } /* need memory for output format? */ if (This->lpOutFormat == NULL) { This->lpOutFormat = HeapAlloc(GetProcessHeap(), 0, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)); if (This->lpOutFormat == NULL) { AVIFILE_CloseCompressor(This); return AVIERR_MEMORY; } } /* need handle to video compressor */ if (This->hic == NULL) { FOURCC fccHandler; if (This->lpInFormat->biCompression == BI_RGB) fccHandler = comptypeDIB; else if (This->lpInFormat->biCompression == BI_RLE8) fccHandler = mmioFOURCC('R','L','E',' '); else fccHandler = sInfo.fccHandler; if (lpbi != NULL) { if (lpbi->biWidth == 0) lpbi->biWidth = This->lpInFormat->biWidth; if (lpbi->biHeight == 0) lpbi->biHeight = This->lpInFormat->biHeight; } This->hic = ICLocate(ICTYPE_VIDEO, fccHandler, This->lpInFormat, lpbi, ICMODE_DECOMPRESS); if (This->hic == NULL) { AVIFILE_CloseCompressor(This); return AVIERR_NOCOMPRESSOR; } } /* output format given? */ if (lpbi != NULL) { /* check the given output format ... */ if (lpbi->biClrUsed == 0 && lpbi->biBitCount <= 8) lpbi->biClrUsed = 1u << lpbi->biBitCount; /* ... and remember it */ memcpy(This->lpOutFormat, lpbi, lpbi->biSize + lpbi->biClrUsed * sizeof(RGBQUAD)); if (lpbi->biBitCount <= 8) ICDecompressGetPalette(This->hic, This->lpInFormat, This->lpOutFormat); return AVIERR_OK; } else { if (bBestDisplay) { ICGetDisplayFormat(This->hic, This->lpInFormat, This->lpOutFormat, 0, dx, dy); } else if (ICDecompressGetFormat(This->hic, This->lpInFormat, This->lpOutFormat) < 0) { AVIFILE_CloseCompressor(This); return AVIERR_NOCOMPRESSOR; } /* check output format */ if (This->lpOutFormat->biClrUsed == 0 && This->lpOutFormat->biBitCount <= 8) This->lpOutFormat->biClrUsed = 1u << This->lpOutFormat->biBitCount; if (This->lpOutFormat->biSizeImage == 0 && This->lpOutFormat->biCompression == BI_RGB) { This->lpOutFormat->biSizeImage = DIBWIDTHBYTES(*This->lpOutFormat) * This->lpOutFormat->biHeight; } if (lpBits == NULL) { DWORD size = This->lpOutFormat->biClrUsed * sizeof(RGBQUAD); size += This->lpOutFormat->biSize + This->lpOutFormat->biSizeImage; This->lpOutFormat = HeapReAlloc(GetProcessHeap(), 0, This->lpOutFormat, size); if (This->lpOutFormat == NULL) { AVIFILE_CloseCompressor(This); return AVIERR_MEMORY; } This->lpOutBuffer = DIBPTR(This->lpOutFormat); } else This->lpOutBuffer = lpBits; /* for user size was irrelevant */ if (dx == -1) dx = This->lpOutFormat->biWidth; if (dy == -1) dy = This->lpOutFormat->biHeight; /* need to resize? */ if (x != 0 || y != 0) { if (dy == This->lpOutFormat->biHeight && dx == This->lpOutFormat->biWidth) This->bResize = FALSE; else This->bResize = TRUE; } if (This->bResize) { This->x = x; This->y = y; This->dx = dx; This->dy = dy; if (ICDecompressExBegin(This->hic,0,This->lpInFormat,This->lpInBuffer,0, 0,This->lpInFormat->biWidth, This->lpInFormat->biHeight,This->lpOutFormat, This->lpOutBuffer, x, y, dx, dy) == ICERR_OK) return AVIERR_OK; } else if (ICDecompressBegin(This->hic, This->lpInFormat, This->lpOutFormat) == ICERR_OK) return AVIERR_OK; AVIFILE_CloseCompressor(This); return AVIERR_COMPRESSOR; } }
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 LPVOID WINAPI IGetFrame_fnGetFrame(IGetFrame *iface, LONG lPos) { IGetFrameImpl *This = impl_from_IGetFrame(iface); LONG readBytes; LONG readSamples; TRACE("(%p,%d)\n", iface, lPos); /* We don't want negative start values! -- marks invalid buffer content */ if (lPos < 0) return NULL; /* check state */ if (This->pStream == NULL) return NULL; if (This->lpInFormat == NULL) return NULL; /* Could stream have changed? */ if (! This->bFixedStream) { AVISTREAMINFOW sInfo; IAVIStream_Info(This->pStream, &sInfo, sizeof(sInfo)); if (sInfo.dwEditCount != This->dwEditCount) { This->dwEditCount = sInfo.dwEditCount; This->lCurrentFrame = -1; } if (sInfo.dwFormatChangeCount != This->dwFormatChangeCount) { /* stream has changed */ if (This->lpOutFormat != NULL) { BITMAPINFOHEADER bi; bi = *This->lpOutFormat; AVIFILE_CloseCompressor(This); if (FAILED(IGetFrame_SetFormat(iface, &bi, NULL, 0, 0, -1, -1))) { if (FAILED(IGetFrame_SetFormat(iface, NULL, NULL, 0, 0, -1, -1))) return NULL; } } else if (FAILED(IGetFrame_SetFormat(iface, NULL, NULL, 0, 0, -1, -1))) return NULL; } } if (lPos != This->lCurrentFrame) { LONG lNext = IAVIStream_FindSample(This->pStream,lPos,FIND_KEY|FIND_PREV); if (lNext == -1) return NULL; /* frame doesn't exist */ if (lNext <= This->lCurrentFrame && This->lCurrentFrame < lPos) lNext = This->lCurrentFrame + 1; for (; lNext <= lPos; lNext++) { /* new format for this frame? */ if (This->bFormatChanges) { IAVIStream_ReadFormat(This->pStream, lNext, This->lpInFormat, &This->cbInFormat); if (This->lpOutFormat != NULL) { if (This->lpOutFormat->biBitCount <= 8) ICDecompressGetPalette(This->hic, This->lpInFormat, This->lpOutFormat); } } /* read input frame */ while (FAILED(AVIStreamRead(This->pStream, lNext, 1, This->lpInBuffer, This->cbInBuffer, &readBytes, &readSamples))) { /* not enough memory for input buffer? */ readBytes = 0; if (FAILED(AVIStreamSampleSize(This->pStream, lNext, &readBytes))) return NULL; /* bad thing, but bad things will happen */ if (readBytes <= 0) { ERR(": IAVIStream::Read doesn't return needed bytes!\n"); return NULL; } /* IAVIStream::Read failed because of other reasons not buffersize? */ if (This->cbInBuffer >= readBytes) break; This->cbInBuffer = This->cbInFormat + readBytes; This->lpInFormat = HeapReAlloc(GetProcessHeap(), 0, This->lpInFormat, This->cbInBuffer); if (This->lpInFormat == NULL) return NULL; /* out of memory */ This->lpInBuffer = (BYTE*)This->lpInFormat + This->cbInFormat; } if (readSamples != 1) { ERR(": no frames read\n"); return NULL; } if (readBytes != 0) { This->lpInFormat->biSizeImage = readBytes; /* nothing to decompress? */ if (This->hic == NULL) { This->lCurrentFrame = lPos; return This->lpInFormat; } if (This->bResize) { ICDecompressEx(This->hic,0,This->lpInFormat,This->lpInBuffer,0,0, This->lpInFormat->biWidth,This->lpInFormat->biHeight, This->lpOutFormat,This->lpOutBuffer,This->x,This->y, This->dx,This->dy); } else { ICDecompress(This->hic, 0, This->lpInFormat, This->lpInBuffer, This->lpOutFormat, This->lpOutBuffer); } } } /* for (lNext < lPos) */ } /* if (This->lCurrentFrame != lPos) */ return (This->hic == NULL ? This->lpInFormat : This->lpOutFormat); }
/*********************************************************************** * ICGetDisplayFormat [MSVFW32.@] */ HIC VFWAPI ICGetDisplayFormat(HIC hic, BITMAPINFOHEADER *in, BITMAPINFOHEADER *out, int depth, int width, int height) { HIC tmphic = hic; TRACE("(%p, %p, %p, %d, %d, %d)\n", hic, in, out, depth, width, height); if (!tmphic) { tmphic = ICLocate(ICTYPE_VIDEO, 0, in, NULL, ICMODE_DECOMPRESS); if (!tmphic) return NULL; } if (ICDecompressQuery(tmphic, in, NULL)) goto err; if (width <= 0 || height <= 0) { width = in->biWidth; height = in->biHeight; } if (!depth) depth = 32; *out = *in; out->biSize = sizeof(*out); out->biWidth = width; out->biHeight = height; out->biCompression = BI_RGB; out->biSizeImage = get_size_image(width, height, depth); /* first try the given depth */ out->biBitCount = depth; out->biSizeImage = get_size_image(width, height, out->biBitCount); if (!ICDecompressQuery(tmphic, in, out)) { if (depth == 8) ICDecompressGetPalette(tmphic, in, out); return tmphic; } /* then try 16, both with BI_RGB and BI_BITFIELDS */ if (depth <= 16) { out->biBitCount = 16; out->biSizeImage = get_size_image(width, height, out->biBitCount); if (!ICDecompressQuery(tmphic, in, out)) return tmphic; out->biCompression = BI_BITFIELDS; if (!ICDecompressQuery(tmphic, in, out)) return tmphic; out->biCompression = BI_RGB; } /* then try 24 */ if (depth <= 24) { out->biBitCount = 24; out->biSizeImage = get_size_image(width, height, out->biBitCount); if (!ICDecompressQuery(tmphic, in, out)) return tmphic; } /* then try 32 */ if (depth <= 32) { out->biBitCount = 32; out->biSizeImage = get_size_image(width, height, out->biBitCount); if (!ICDecompressQuery(tmphic, in, out)) return tmphic; } /* as a last resort, try 32 bpp with the original width and height */ out->biWidth = in->biWidth; out->biHeight = in->biHeight; out->biBitCount = 32; out->biSizeImage = get_size_image(out->biWidth, out->biHeight, out->biBitCount); if (!ICDecompressQuery(tmphic, in, out)) return tmphic; /* finally, ask the compressor for its default output format */ if (!ICSendMessage(tmphic, ICM_DECOMPRESS_GET_FORMAT, (DWORD_PTR)in, (DWORD_PTR)out)) return tmphic; err: if (hic != tmphic) ICClose(tmphic); return NULL; }