// Component Open Request - Required
pascal ComponentResult DelegateOnly_ImageCodecOpen(DelegateOnly_Globals glob, ComponentInstance self)
{
ComponentDescription cd = { decompressorComponentType, k422YpCbCr8CodecType, FOUR_CHAR_CODE('app3'), 0, 0 };
Component c = 0;
ComponentResult rc;
// Allocate memory for our globals, set them up and inform the component manager that we've done so
glob = (DelegateOnly_Globals)NewPtrClear(sizeof(DelegateOnly_GlobalsRecord));
if (rc = MemError()) goto bail;
SetComponentInstanceStorage(self, (Handle)glob);
glob->self = self;
glob->target = self;
if (c = FindNextComponent(c, &cd)) {
rc = OpenAComponent(c, &glob->delegateComponent);
if (rc) goto bail;
ComponentSetTarget(glob->delegateComponent, self);
}
bail:
return rc;
}
pascal ComponentResult Theora_ImageCodecOpen(Theora_Globals glob, ComponentInstance self)
{
ComponentResult err;
glob = (Theora_Globals)NewPtrClear(sizeof(Theora_GlobalsRecord));
dbg_printf("\n--:Theora:- CodecOpen(%08lx) called\n", (long)glob);
if (err = MemError()) goto bail;
SetComponentInstanceStorage(self, (Handle)glob);
glob->self = self;
glob->target = self;
glob->wantedDestinationPixelTypeH = (OSType **)NewHandle(sizeof(OSType) * (kNumPixelFormatsSupported + 1));
if (err = MemError()) goto bail;
glob->drawBandUPP = NULL;
glob->info_initialised = false;
glob->last_frame = -1;
glob->p_buffer = NewPtr(kPacketBufferAllocIncrement);
glob->p_buffer_len = kPacketBufferAllocIncrement;
glob->p_buffer_used = 0;
// many of the functions are delegated actually
err = OpenADefaultComponent(decompressorComponentType, kBaseCodecType, &glob->delegateComponent);
if (err) goto bail;
ComponentSetTarget(glob->delegateComponent, self);
bail:
return err;
}
// Component Open Request - Required
pascal ComponentResult TextSubCodecOpen(TextSubGlobals glob, ComponentInstance self)
{
ComponentResult err;
// Allocate memory for our globals, set them up and inform the component manager that we've done so
glob = (TextSubGlobals)NewPtrClear(sizeof(TextSubGlobalsRecord));
if (err = MemError()) goto bail;
SetComponentInstanceStorage(self, (Handle)glob);
glob->self = self;
glob->target = self;
glob->wantedDestinationPixelTypeH = (OSType **)NewHandleClear((kNumPixelFormatsSupportedTextSub+1) * sizeof(OSType));
if (err = MemError()) goto bail;
glob->drawBandUPP = NULL;
glob->ssa = NULL;
glob->colorSpace = NULL;
glob->translateSRT = true;
// Open and target an instance of the base decompressor as we delegate
// most of our calls to the base decompressor instance
err = OpenADefaultComponent(decompressorComponentType, kBaseCodecType, &glob->delegateComponent);
if (err) goto bail;
ComponentSetTarget(glob->delegateComponent, self);
bail:
return err;
}
// Component Open Request - Required
pascal ComponentResult ExampleIPB_DOpen(ExampleIPBDecompressorGlobals glob, ComponentInstance self)
{
ComponentResult err;
// Allocate memory for our globals, set them up and inform the component manager that we've done so
glob = calloc( sizeof( ExampleIPBDecompressorGlobalsRecord ), 1 );
if( ! glob ) {
err = memFullErr;
goto bail;
}
SetComponentInstanceStorage(self, (Handle)glob);
glob->self = self;
glob->target = self;
// Open and target an instance of the base decompressor as we delegate
// most of our calls to the base decompressor instance
err = OpenADefaultComponent(decompressorComponentType, kBaseCodecType, &glob->delegateComponent);
if( err )
goto bail;
ComponentSetTarget(glob->delegateComponent, self);
bail:
return err;
}
RTPMPComponentVideo_Target(
RTPMPComponentVideoInstanceData ** inGlobals,
ComponentInstance target )
{
ComponentResult theResult;
if( ( **inGlobals ).itsBase )
theResult = ComponentSetTarget( ( **inGlobals ).itsBase, target );
else
theResult = noErr;
if( theResult == noErr )
( **inGlobals ).itsFinalDerivation = target;
return( theResult );
}
static PyObject *CmpInstObj_ComponentSetTarget(ComponentInstanceObject *_self, PyObject *_args)
{
PyObject *_res = NULL;
long _rv;
ComponentInstance target;
#ifndef ComponentSetTarget
PyMac_PRECHECK(ComponentSetTarget);
#endif
if (!PyArg_ParseTuple(_args, "O&",
CmpInstObj_Convert, &target))
return NULL;
_rv = ComponentSetTarget(_self->ob_itself,
target);
_res = Py_BuildValue("l",
_rv);
return _res;
}
