OSErr CreateDecompSeqForGWorldData(GWorldPtr srcGWorld, Rect *srcBounds, MatrixRecordPtr mr, GWorldPtr imageDestination, ImageSequence *imageSeqID)
{
OSErr err;
ImageDescriptionHandle imageDesc = (ImageDescriptionHandle)NewHandle(sizeof(ImageDescription));
if (imageDesc)
{
err = MakeImageDescriptionForPixMap (GetGWorldPixMap(srcGWorld), &imageDesc);
err = DecompressSequenceBegin( imageSeqID,
imageDesc,
imageDestination,
0,
srcBounds,
mr,
srcCopy,
nil,
0,
codecNormalQuality,
bestSpeedCodec);
DisposeHandle((Handle)imageDesc);
}
else
{
err = MemError();
}
return err;
}
OSErr CreateDecompSeqForSGChannelData(SGChannel sgChannel, Rect *srcBounds, GWorldPtr imageDestination, ImageSequence *imageSeqID)
{
OSErr err = noErr;
ImageDescriptionHandle imageDesc = (ImageDescriptionHandle)NewHandle(sizeof(ImageDescription));
if (imageDesc)
{
err = SGGetChannelSampleDescription(sgChannel,(Handle)imageDesc);
// The original version of this code had a bug - it passed in a Crop Rect to DecompressSequenceBegin instead of a scaling matrix
// This only worked because of another bug inside QT that reated the crop Rect as a destination rect for DV
// the following code does the right thing in all cases.
if (err == noErr)
{
MatrixRecord mr;
Rect fromR;
fromR.left = 0;
fromR.top = 0;
fromR.right = (**imageDesc).width;
fromR.bottom = (**imageDesc).height;
RectMatrix(&mr, &fromR, srcBounds);
err = DecompressSequenceBegin(imageSeqID, imageDesc, imageDestination, 0, nil, &mr,srcCopy,nil,0, codecNormalQuality, bestSpeedCodec);
}
DisposeHandle((Handle)imageDesc);
}
else
{
err = MemError();
}
return err;
}
OSErr SpriteUtils_AssignImageGroupIDsToKeyFrame (QTAtomContainer theKeySample)
{
QTAtom myDefaultsAtom, myImagesContainerAtom;
ImageDescriptionHandle myFirstImageDesc = NULL;
ImageDescriptionHandle mySecondImageDesc = NULL;
short myFirstIndex, mySecondIndex, myNumImages;
CodecType myFirstImageType, mySecondImageType;
long myGroupID = 0, myTestID;
OSErr myErr = noErr;
myDefaultsAtom = QTFindChildByIndex(theKeySample, 0, kSpriteSharedDataAtomType, 1, NULL);
if (myDefaultsAtom == 0)
goto bail;
myImagesContainerAtom = QTFindChildByIndex(theKeySample, myDefaultsAtom, kSpriteImagesContainerAtomType, 1, NULL);
if (myImagesContainerAtom == 0)
goto bail;
myFirstImageDesc = (ImageDescriptionHandle)NewHandle(0);
if (myFirstImageDesc == NULL) {
myErr = memFullErr;
goto bail;
}
mySecondImageDesc = (ImageDescriptionHandle)NewHandle(0);
if (mySecondImageDesc == NULL) {
myErr = memFullErr;
goto bail;
}
myNumImages = QTCountChildrenOfType(theKeySample, myImagesContainerAtom, kSpriteImageAtomType);
for (myFirstIndex = 1; myFirstIndex <= myNumImages; myFirstIndex++) {
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, myFirstIndex, 0);
if (myErr != noErr)
goto bail;
}
for (myFirstIndex = 1; myFirstIndex <= (myNumImages - 1); myFirstIndex++) {
myErr = SpriteUtils_GetImageGroupID(theKeySample, myImagesContainerAtom, myFirstIndex, &myTestID);
if (myErr != noErr)
goto bail;
if (myTestID == 0) {
myGroupID++;
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, myFirstIndex, myGroupID);
if (myErr != noErr)
goto bail;
myErr = SpriteUtils_GetImageDescription(theKeySample, myImagesContainerAtom, myFirstIndex, myFirstImageDesc);
myFirstImageType = (**myFirstImageDesc).cType;
if (myErr != noErr)
goto bail;
for (mySecondIndex = (myFirstIndex + 1); mySecondIndex <= myNumImages; mySecondIndex++) {
myErr = SpriteUtils_GetImageGroupID(theKeySample, myImagesContainerAtom, mySecondIndex, &myTestID);
if (myErr != noErr)
goto bail;
if (myTestID == 0) {
myErr = SpriteUtils_GetImageDescription(theKeySample, myImagesContainerAtom, mySecondIndex, mySecondImageDesc);
if (myErr != noErr)
goto bail;
mySecondImageType = (**mySecondImageDesc).cType;
if (myFirstImageType == mySecondImageType) {
ImageSequence mySeqID;
Boolean isEquivalent;
myErr = DecompressSequenceBegin(&mySeqID, myFirstImageDesc, NULL, NULL, NULL, NULL, ditherCopy, (RgnHandle)NULL, 0, codecNormalQuality, anyCodec);
if (myErr != noErr)
goto bail;
CDSequenceEquivalentImageDescription(mySeqID, mySecondImageDesc, &isEquivalent);
CDSequenceEnd(mySeqID);
if (isEquivalent) {
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, mySecondIndex, myGroupID);
if (myErr != noErr)
goto bail;
}
}
}
}
}
}
// assign an ID to the last image
myErr = SpriteUtils_GetImageGroupID(theKeySample, myImagesContainerAtom, myNumImages, &myTestID);
if (myErr != noErr)
goto bail;
if (myTestID == 0) {
myGroupID++;
myErr = SpriteUtils_SetImageGroupID(theKeySample, myImagesContainerAtom, myNumImages, myGroupID);
}
bail:
if (myFirstImageDesc != NULL)
DisposeHandle((Handle)myFirstImageDesc);
if (mySecondImageDesc != NULL)
DisposeHandle((Handle)mySecondImageDesc);
return(myErr);
}
static GstStateChangeReturn
gst_osx_video_src_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn result;
GstOSXVideoSrc *self;
ComponentResult err;
result = GST_STATE_CHANGE_SUCCESS;
self = GST_OSX_VIDEO_SRC (element);
// ###: prepare_capture in READY->PAUSED?
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
{
ImageDescriptionHandle imageDesc;
Rect sourceRect;
MatrixRecord scaleMatrix;
if (!prepare_capture (self))
return GST_STATE_CHANGE_FAILURE;
// ###: should we start recording /after/ making the decompressionsequence?
// CocoaSequenceGrabber does it beforehand, so we do too, but it feels
// wrong.
err = SGStartRecord (self->seq_grab);
if (err != noErr) {
/* since we prepare here, we should also unprepare */
SGRelease (self->seq_grab);
GST_ERROR_OBJECT (self, "SGStartRecord returned %d", (int) err);
return GST_STATE_CHANGE_FAILURE;
}
imageDesc = (ImageDescriptionHandle) NewHandle (0);
err = SGGetChannelSampleDescription (self->video_chan,
(Handle) imageDesc);
if (err != noErr) {
SGStop (self->seq_grab);
SGRelease (self->seq_grab);
DisposeHandle ((Handle) imageDesc);
GST_ERROR_OBJECT (self, "SGGetChannelSampleDescription returned %d",
(int) err);
return GST_STATE_CHANGE_FAILURE;
}
GST_DEBUG_OBJECT (self, "actual capture resolution is %dx%d",
(int) (**imageDesc).width, (int) (**imageDesc).height);
SetRect (&sourceRect, 0, 0, (**imageDesc).width, (**imageDesc).height);
RectMatrix (&scaleMatrix, &sourceRect, &self->rect);
err = DecompressSequenceBegin (&self->dec_seq, imageDesc, self->world,
NULL, NULL, &scaleMatrix, srcCopy, NULL, 0, codecNormalQuality,
bestSpeedCodec);
if (err != noErr) {
SGStop (self->seq_grab);
SGRelease (self->seq_grab);
DisposeHandle ((Handle) imageDesc);
GST_ERROR_OBJECT (self, "DecompressSequenceBegin returned %d",
(int) err);
return GST_STATE_CHANGE_FAILURE;
}
DisposeHandle ((Handle) imageDesc);
break;
}
default:
break;
}
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (result == GST_STATE_CHANGE_FAILURE)
return result;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
SGStop (self->seq_grab);
err = CDSequenceEnd (self->dec_seq);
if (err != noErr)
GST_WARNING_OBJECT (self, "CDSequenceEnd returned %d", (int) err);
self->dec_seq = 0;
SGRelease (self->seq_grab);
break;
default:
break;
}
return result;
}
// init driver
static int init(sh_video_t *sh){
OSErr result = 1;
int extradata_size = sh->bih ? sh->bih->biSize - sizeof(*sh->bih) : 0;
void *extradata = sh->bih + 1;
if (!sh->ImageDesc)
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"sh->ImageDesc not set, try -demuxer mov if this fails.\n");
#ifndef CONFIG_QUICKTIME
#ifdef WIN32_LOADER
Setup_LDT_Keeper();
#endif
//preload quicktime.qts to avoid the problems caused by the hardcoded path inside the dll
qtime_qts = LoadLibraryA("QuickTime.qts");
if(!qtime_qts){
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"unable to load QuickTime.qts\n" );
return 0;
}
handler = LoadLibraryA("qtmlClient.dll");
if(!handler){
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"unable to load qtmlClient.dll\n");
return 0;
}
InitializeQTML = (OSErr (*)(long))GetProcAddress(handler, "InitializeQTML");
EnterMovies = (OSErr (*)(void))GetProcAddress(handler, "EnterMovies");
ExitMovies = (void (*)(void))GetProcAddress(handler, "ExitMovies");
DecompressSequenceBegin = (OSErr (*)(ImageSequence*,ImageDescriptionHandle,CGrafPtr,void *,const Rect *,MatrixRecordPtr,short,RgnHandle,CodecFlags,CodecQ,DecompressorComponent))GetProcAddress(handler, "DecompressSequenceBegin");
DecompressSequenceFrameS = (OSErr (*)(ImageSequence,Ptr,long,CodecFlags,CodecFlags*,ICMCompletionProcRecordPtr))GetProcAddress(handler, "DecompressSequenceFrameS");
GetGWorldPixMap = (PixMapHandle (*)(GWorldPtr))GetProcAddress(handler, "GetGWorldPixMap");
QTNewGWorldFromPtr = (OSErr(*)(GWorldPtr *,OSType,const Rect *,CTabHandle,void*,GWorldFlags,void *,long))GetProcAddress(handler, "QTNewGWorldFromPtr");
NewHandleClear = (OSErr(*)(Size))GetProcAddress(handler, "NewHandleClear");
DisposeHandle = (void (*)(Handle))GetProcAddress(handler, "DisposeHandle");
DisposeGWorld = (void (*)(GWorldPtr))GetProcAddress(handler, "DisposeGWorld");
CDSequenceEnd = (OSErr (*)(ImageSequence))GetProcAddress(handler, "CDSequenceEnd");
if(!InitializeQTML || !EnterMovies || !DecompressSequenceBegin || !DecompressSequenceFrameS){
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"invalid qtmlClient.dll!\n");
return 0;
}
result=InitializeQTML(kInitializeQTMLDisableDirectSound |
kInitializeQTMLUseGDIFlag |
kInitializeQTMLDisableDDClippers);
mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"InitializeQTML returned %d\n",result);
#endif /* CONFIG_QUICKTIME */
result=EnterMovies();
mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"EnterMovies returned %d\n",result);
//make a yuy2 gworld
OutBufferRect.top=0;
OutBufferRect.left=0;
OutBufferRect.right=sh->disp_w;
OutBufferRect.bottom=sh->disp_h;
//Fill the imagedescription for our SVQ3 frame
//we can probably get this from Demuxer
if (!sh->ImageDesc && extradata_size >= sizeof(ImageDescription) &&
((ImageDescription *)extradata)->idSize <= extradata_size)
sh->ImageDesc = extradata;
if (sh->ImageDesc) {
mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"ImageDescription size: %d\n",((ImageDescription*)(sh->ImageDesc))->idSize);
framedescHandle=(ImageDescriptionHandle)NewHandleClear(((ImageDescription*)(sh->ImageDesc))->idSize);
memcpy(*framedescHandle,sh->ImageDesc,((ImageDescription*)(sh->ImageDesc))->idSize);
} else {
// assume extradata consists only of the atoms, build the other parts
ImageDescription *idesc;
int size = sizeof(*idesc) + extradata_size;
mp_msg(MSGT_DECVIDEO, MSGL_V, "Generating a ImageDescription\n");
framedescHandle=(ImageDescriptionHandle)NewHandleClear(size);
idesc = *framedescHandle;
memcpy(idesc + 1, extradata, extradata_size);
idesc->idSize = size;
idesc->width = sh->disp_w;
idesc->height = sh->disp_h;
}
dump_ImageDescription(*framedescHandle);
(**framedescHandle).cType = bswap_32(sh->format);
sh->context = (void *)kYUVSPixelFormat;
{
int imgfmt = sh->codec->outfmt[sh->outfmtidx];
int qt_imgfmt;
switch(imgfmt)
{
case IMGFMT_YUY2:
qt_imgfmt = kYUVSPixelFormat;
break;
case IMGFMT_YVU9:
qt_imgfmt = 0x73797639; //kYVU9PixelFormat;
break;
case IMGFMT_YV12:
qt_imgfmt = 0x79343230;
break;
case IMGFMT_UYVY:
qt_imgfmt = k2vuyPixelFormat;
break;
case IMGFMT_YVYU:
qt_imgfmt = kYVYU422PixelFormat;
imgfmt = IMGFMT_YUY2;
break;
case IMGFMT_RGB16:
qt_imgfmt = k16LE555PixelFormat;
break;
case IMGFMT_BGR24:
qt_imgfmt = k24BGRPixelFormat;
break;
case IMGFMT_BGR32:
qt_imgfmt = k32BGRAPixelFormat;
break;
case IMGFMT_RGB32:
qt_imgfmt = k32RGBAPixelFormat;
break;
default:
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Unknown requested csp\n");
return 0;
}
mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"imgfmt: %s qt_imgfmt: %.4s\n", vo_format_name(imgfmt), (char *)&qt_imgfmt);
sh->context = (void *)qt_imgfmt;
if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,imgfmt)) return 0;
}
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_STATIC, MP_IMGFLAG_PRESERVE,
sh->disp_w, sh->disp_h);
if(!mpi) return 0;
result = QTNewGWorldFromPtr(
&OutBufferGWorld,
(OSType)sh->context,
&OutBufferRect, //we should benchmark if yvu9 is faster for svq3, too
0,
0,
0,
mpi->planes[0],
mpi->stride[0]);
if (result) {
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"QTNewGWorldFromPtr result=%d\n",result);
return 0;
}
result = DecompressSequenceBegin(&imageSeq, framedescHandle, (CGrafPtr)OutBufferGWorld,
NULL, NULL, NULL, srcCopy, NULL, 0,
codecNormalQuality, 0);
if(result) {
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"DecompressSequenceBegin result=%d\n",result);
return 0;
}
return 1;
}
pascal OSErr sgdata_callback(SGChannel c, Ptr p, long len, long *offset, long chRefCon, TimeValue time, short writeType, long refCon)
{
#pragma unused(offset,chRefCon,time,writeType)
CodecFlags ignore;
V4lState *s=(V4lState *)refCon;
ComponentResult err = noErr;
if (!s) goto bail;
Rect boundsRect = {0, 0, s->vsize.height, s->vsize.width}; /* 240 , 320*/
if (s->pgworld) {
if (s->decomseq == 0) {
Rect sourceRect = { 0, 0 };
MatrixRecord scaleMatrix;
ImageDescriptionHandle imageDesc = (ImageDescriptionHandle)NewHandle(0);
err = SGGetChannelSampleDescription(c,(Handle)imageDesc);
BailErr(err);
// make a scaling matrix for the sequence
sourceRect.right = (**imageDesc).width;
sourceRect.bottom = (**imageDesc).height;
RectMatrix(&scaleMatrix, &sourceRect, &boundsRect);
err = DecompressSequenceBegin(&s->decomseq, // pointer to field to receive unique ID for sequence
imageDesc, // handle to image description structure
s->pgworld, // port for the DESTINATION image
NULL, // graphics device handle, if port is set, set to NULL
NULL, // source rectangle defining the portion of the image to decompress
&scaleMatrix, // transformation matrix
srcCopy, // transfer mode specifier
NULL, // clipping region in dest. coordinate system to use as a mask
0, // flags
codecNormalQuality, // accuracy in decompression
bestSpeedCodec); // compressor identifier or special identifiers ie. bestSpeedCodec
BailErr(err);
DisposeHandle((Handle)imageDesc);
imageDesc = NULL;
}
// decompress a frame into the GWorld - can queue a frame for async decompression when passed in a completion proc
// once the image is in the GWorld it can be manipulated at will
err = DecompressSequenceFrameS(s->decomseq, // sequence ID returned by DecompressSequenceBegin
p, // pointer to compressed image data
len, // size of the buffer
0, // in flags
&ignore, // out flags
NULL); // async completion proc
BailErr(err);
{
unsigned line;
mblk_t *buf;
int size = s->vsize.width * s->vsize.height * 3;
buf=allocb(size,0);
PixMap * pixmap = *GetGWorldPixMap(s->pgworld);
uint8_t * data;
unsigned rowBytes = pixmap->rowBytes & (((unsigned short) 0xFFFF) >> 2);
unsigned pixelSize = pixmap->pixelSize / 8; // Pixel size in bytes
unsigned lineOffset = rowBytes - s->vsize.width * pixelSize;
data = (uint8_t *) GetPixBaseAddr(GetGWorldPixMap(s->pgworld));
for (line = 0 ; line < s->vsize.height ; line++) {
unsigned offset = line * (s->vsize.width * pixelSize + lineOffset);
memcpy(buf->b_wptr + ((line * s->vsize.width) * pixelSize), data + offset, (rowBytes - lineOffset));
}
if (s->pix_fmt==MS_RGB24)
{
/* Conversion from top down bottom up (BGR to RGB and flip) */
unsigned long Index,nPixels;
unsigned char *blue;
unsigned char tmp;
short iPixelSize;
blue=buf->b_wptr;
nPixels=s->vsize.width*s->vsize.height;
iPixelSize=24/8;
for(Index=0;Index!=nPixels;Index++) // For each pixel
{
tmp=*blue;
*blue=*(blue+2);
*(blue+2)=tmp;
blue+=iPixelSize;
}
}
buf->b_wptr+=size;
ms_mutex_lock(&s->mutex);
putq(&s->rq, buf);
ms_mutex_unlock(&s->mutex);
}
}
bail:
return err;
}
