//--------------------------------------------------------------------
void ofQuickTimeGrabber::videoSettings(void){
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_QUICKTIME
//---------------------------------
Rect curBounds, curVideoRect;
ComponentResult err;
// Get our current state
err = SGGetChannelBounds (gVideoChannel, &curBounds);
if (err != noErr){
ofLogError("ofQuickTimeGrabber") << "videoSettings(): couldn't get get channel bounds: ComponentResult " << err;
return;
}
err = SGGetVideoRect (gVideoChannel, &curVideoRect);
if (err != noErr){
ofLogError("ofQuickTimeGrabber") << "videoSettings(): couldn't get video rect: ComponentResult " << err;
return;
}
// Pause
err = SGPause (gSeqGrabber, true);
if (err != noErr){
ofLogError("ofQuickTimeGrabber") << "videoSettings(): couldn't set pause: ComponentResult " << err;
return;
}
#ifdef TARGET_OSX
//load any saved camera settings from file
loadSettings();
static SGModalFilterUPP gSeqGrabberModalFilterUPP = NewSGModalFilterUPP(SeqGrabberModalFilterUPP);
ComponentResult result = SGSettingsDialog(gSeqGrabber, gVideoChannel, 0, nil, 0, gSeqGrabberModalFilterUPP, nil);
if (result != noErr){
ofLogError("ofQuickTimeGrabber") << "videoSettings(): settings dialog error: ComponentResult " << err;
return;
}
//save any changed settings to file
saveSettings();
#else
SGSettingsDialog(gSeqGrabber, gVideoChannel, 0, nil, seqGrabSettingsPreviewOnly, NULL, 0);
#endif
SGSetChannelBounds(gVideoChannel, &videoRect);
SGPause (gSeqGrabber, false);
//---------------------------------
#endif
//---------------------------------
}
//---------------------------------------------------------------------
bool ofVideoGrabber::loadSettings(){
if (bGrabberInited != true || deviceName.length() == 0) return false;
ComponentResult err;
UserData mySGVideoSettings = NULL;
// get the settings using the key "ofVideoSettings-the name of the device"
string pref = "ofVideoSettings-"+deviceName;
CFStringRef cameraString = CFStringCreateWithCString(kCFAllocatorDefault,pref.c_str(),kCFStringEncodingMacRoman);
GetSettingsPreference(cameraString, &mySGVideoSettings);
if (mySGVideoSettings){
Rect curBounds, curVideoRect;
//we need to make sure the dimensions don't get effected
//by our preferences
// Get our current state
err = SGGetChannelBounds (gVideoChannel, &curBounds);
if (err != noErr){
ofLog(OF_LOG_ERROR, "Error in SGGetChannelBounds");
}
err = SGGetVideoRect (gVideoChannel, &curVideoRect);
if (err != noErr){
ofLog(OF_LOG_ERROR, "Error in SGGetVideoRect");
}
// use the saved settings preference to configure the SGChannel
err = SGSetChannelSettings(gSeqGrabber, gVideoChannel, mySGVideoSettings, 0);
if ( err != noErr ) {
ofLog(OF_LOG_ERROR, "Error applying stored settings %i", err);
return false;
}
DisposeUserData(mySGVideoSettings);
// Pause
err = SGPause (gSeqGrabber, true);
if (err != noErr){
ofLog(OF_LOG_ERROR, "Error in SGPause");
}
SGSetChannelBounds(gVideoChannel, &videoRect);
SGPause (gSeqGrabber, false);
}else{
ofLog(OF_LOG_WARNING, "No camera settings to load");
return false;
}
return true;
}
// ######################################################################
static void setVideoChannelBounds(SGChannel videoChannel,
const Rect* scaledSourceBounds,
const Rect* scaledVideoBounds)
{
// Notes: see Q&A 1250
// calculate the matrix to transform the
// scaledSourceBounds to the source bounds
Rect sourceBounds;
SGGetSrcVideoBounds(videoChannel, &sourceBounds);
MatrixRecord scaledSourceBoundsToSourceBounds;
RectMatrix(&scaledSourceBoundsToSourceBounds,
scaledSourceBounds, &sourceBounds);
// apply the same transform to the
// scaledVideoBounds to get the video bounds
Rect videoBounds = *scaledVideoBounds;
TransformRect(&scaledSourceBoundsToSourceBounds, &videoBounds, 0);
if (noErr != SGSetVideoRect(videoChannel, &videoBounds))
{
// some video digitizers may only be able to capture full frame
// and will return qtParamErr or possibly digiUnimpErr if they
// can't handle working with less than full frame
SGSetVideoRect(videoChannel, &sourceBounds);
}
// the channel bounds is scaledVideoBounds offset to (0, 0)
Rect channelBounds = *scaledVideoBounds;
OffsetRect(&channelBounds, -channelBounds.left, -channelBounds.top);
// Note: SGSetChannelBounds merely allows the client to specify it's
// preferred bounds. The actual bounds returned by the vDig in the
// image description may be different
if (noErr != SGSetChannelBounds(videoChannel, &channelBounds))
LFATAL("SGSetChannelBounds() failed");
}
OSErr CreateNewSGChannelForRecording(ComponentInstance seqGrab, SGDataUPP dataProc, CGrafPtr drawPort, Rect *theRect, SGChannel *sgChannel, long refCon)
{
OSErr err = noErr;
BailErr((err = SGInitialize(seqGrab)));
// tell it we're not making a movie
BailErr((err = SGSetDataRef(seqGrab,0,0,seqGrabDontMakeMovie)));
// It wants a port, even if its not drawing to it
BailErr((err = SGSetGWorld(seqGrab, drawPort, GetMainDevice())));
BailErr((err = SGNewChannel(seqGrab, VideoMediaType, sgChannel)));
// let the user configure the video channel
BailErr((err = SGSettingsDialog(seqGrab, *sgChannel, 0, nil, 0, nil, 0)));
BailErr((err = SGSetChannelBounds(*sgChannel, theRect)));
// set usage for new video channel to avoid playthrough
BailErr((err = SGSetChannelUsage(*sgChannel, seqGrabRecord ))); //note we don't set seqGrabPlayDuringRecord
BailErr((err = SGSetDataProc(seqGrab, dataProc, refCon)));
BailErr((err = SGStartRecord(seqGrab)));
bail:
return err;
}
// Create the Sequence Grabber Video Channel
void QuicktimeLiveImageStream::createSequenceGrabberVideoChannel()
{
// Check capability and setting of Sequence Grabber
GDHandle origDevice;
CGrafPtr origPort;
// Create GWorld
GetGWorld (&origPort, &origDevice);
SetGWorld (m_gw, NULL); // set current graphics port to offscreen
// Setup
// Get a video channel
ComponentResult result = SGNewChannel (m_gSeqGrabber, VideoMediaType, &m_gVideoChannel);
if ((m_gVideoChannel != nil) && (result == noErr))
{
result = SGInitChannel(m_gVideoChannel, m_gSeqGrabber);
Rect gActiveVideoRect;
// Usage
if (g_s_use_sg_record)
result = SGSetChannelUsage (m_gVideoChannel, seqGrabRecord | seqGrabLowLatencyCapture);
else
{
result = SGSetChannelUsage (m_gVideoChannel, seqGrabPreview);
}
// result = SGSetUseScreenBuffer(m_gVideoChannel, FALSE);
// Set
OSG_DEBUG << "Setting up vdig from input prefs" << std::endl;
result = SGSetChannelDevice ( m_gVideoChannel, m_videoDeviceIDStr);
result = SGSetChannelDeviceInput( m_gVideoChannel, m_videoDeviceInputID);
// result = SGSetChannelPlayFlags ( m_gVideoChannel, channelPlayFast | channelPlayHighQuality | channelPlayAllData);
result = SGSetChannelPlayFlags ( m_gVideoChannel, channelPlayFast );
VideoDigitizerComponent vdig = SGGetVideoDigitizerComponent(m_gVideoChannel);
VideoDigitizerError vid_err;
vid_err = VDSetInputStandard (vdig, palIn);
OSG_DEBUG << "Setup vdig from input prefs:" << std::endl;
print_video_component_capability(vdig);
result = SGVideoDigitizerChanged( m_gVideoChannel);
result = SGGetSrcVideoBounds ( m_gVideoChannel, &gActiveVideoRect);
result = SGSetChannelBounds ( m_gVideoChannel, &gActiveVideoRect);
result = SGChangedSource (m_gSeqGrabber, m_gVideoChannel);
Fixed frame_rate;
result = SGGetFrameRate (m_gVideoChannel, &frame_rate);
result = SGSetFrameRate (m_gVideoChannel, 100);
//
// Sound
/*
long sound_id;
Str255 sound_driver_name;
char* sound_driver_name_cstr;
vid_err = VDGetSoundInputSource(vdig, (long)m_videoDeviceInputID, &sound_id);
vid_err = VDGetSoundInputDriver(vdig, sound_driver_name);
sound_driver_name_cstr = pstr_printable(sound_driver_name);
OSG_DEBUG << "vdig sound driver name :" << sound_driver_name_cstr << std::endl;
OSG_DEBUG << "vdig sound driver id :" << sound_id << std::endl;
*/
}
else
{
OSG_FATAL << "Could not create SGNewChannel for Video Channel" << std::endl;
}
// Set GWorld back
SetGWorld(origPort, origDevice);
}
bool macsgCamera::initCamera(int width, int height, bool colour) {
if (cameraID < 0) return false;
this->width = width;
this->height = height;
this->colour = colour;
this->fps = 30;
bytes = (colour?3:1);
int rowlength= width*bytes;
switch (colour) {
case false: {
pixelFormat = k8IndexedGrayPixelFormat;
//pixelFormat = kYVYU422PixelFormat;
break;
} case true: {
pixelFormat = k24RGBPixelFormat;
break;
}
}
OSErr result;
Rect srcRect = {0,0, height, width};
sg = OpenDefaultComponent(SeqGrabComponentType, 0);
if(sg==NULL){
fprintf(stderr, "could not open default component\n");
}
result = SGInitialize(sg);
if(result!=noErr){
fprintf(stdout, "could not initialize SG\n");
}
result = SGSetDataRef(sg, 0, 0, seqGrabDontMakeMovie);
if (result != noErr){
fprintf(stdout, "dataref failed\n");
}
result = SGNewChannel(sg, VideoMediaType, &vc);
if(result!=noErr){
//fprintf(stdout, "could not make new SG channnel\n");
return false;
}
// result = SGSettingsDialog ( sg, vc ,0 ,NULL ,seqGrabSettingsPreviewOnly,NULL,0);
// if(result!=noErr){
// fprintf(stdout, "could not get settings from dialog\n");
// }
result = SGSetChannelBounds(vc, &srcRect);
if(result!=noErr){
fprintf(stdout, "could not set SG ChannelBounds\n");
}
/*result = SGSetFrameRate (vc, fps);
if(result!=noErr){
fprintf(stdout, "could not set SG FrameRate\n");
}*/
result = SGSetChannelUsage(vc, seqGrabPreview);
if(result!=noErr){
fprintf(stdout, "could not set SG ChannelUsage\n");
}
result = SGSetChannelPlayFlags(vc, channelPlayAllData);
if(result!=noErr){
fprintf(stdout, "could not set SG AllData\n");
};
buffer = new unsigned char[width*height*bytes];
result = QTNewGWorldFromPtr (&srcGWorld,
pixelFormat,
&srcRect,
NULL,
NULL,
0,
buffer,
rowlength);
if (result!= noErr)
{
fprintf(stdout, "%d error at QTNewGWorldFromPtr\n", result);
delete []buffer;
buffer = NULL;
return false;
}
if (srcGWorld == NULL)
{
fprintf(stdout, "Could not allocate off screen\n");
delete []buffer;
buffer = NULL;
return false;
}
result = SGSetGWorld(sg,(CGrafPtr)srcGWorld, NULL);
if (result != noErr) {
fprintf(stdout, "Could not set SGSetGWorld\n");
delete []buffer;
buffer = NULL;
return false;
}
result = SGPrepare(sg, TRUE, FALSE);
if (result != noErr) {
fprintf(stderr, "SGPrepare Preview failed\n");
}
pbuffer = new unsigned char[width*height*bytes];
return true;
}
//--------------------------------------------------------------------
bool ofVideoGrabber::initGrabber(int w, int h, bool setUseTexture){
bUseTexture = setUseTexture;
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_QUICKTIME
//---------------------------------
//---------------------------------- 1 - open the sequence grabber
if( !qtInitSeqGrabber() ){
ofLog(OF_LOG_ERROR, "error: unable to initialize the seq grabber");
return false;
}
//---------------------------------- 2 - set the dimensions
width = w;
height = h;
MacSetRect(&videoRect, 0, 0, width, height);
//---------------------------------- 3 - buffer allocation
// Create a buffer big enough to hold the video data,
// make sure the pointer is 32-byte aligned.
// also the rgb image that people will grab
offscreenGWorldPixels = (unsigned char*)malloc(4 * width * height + 32);
pixels = new unsigned char[width*height*3];
QTNewGWorldFromPtr (&videogworld, k32ARGBPixelFormat, &videoRect, NULL, NULL, 0, offscreenGWorldPixels, 4 * width);
LockPixels(GetGWorldPixMap(videogworld));
SetGWorld (videogworld, NULL);
SGSetGWorld(gSeqGrabber, videogworld, nil);
//---------------------------------- 4 - device selection
bool didWeChooseADevice = bChooseDevice;
bool deviceIsSelected = false;
//if we have a device selected then try first to setup
//that device
if(didWeChooseADevice){
deviceIsSelected = qtSelectDevice(deviceID, true);
if(!deviceIsSelected && bVerbose) ofLog(OF_LOG_WARNING, "unable to open device[%i] - will attempt other devices", deviceID);
}
//if we couldn't select our required device
//or we aren't specifiying a device to setup
//then lets try to setup ANY device!
if(deviceIsSelected == false){
//lets list available devices
listDevices();
setDeviceID(0);
deviceIsSelected = qtSelectDevice(deviceID, false);
}
//if we still haven't been able to setup a device
//we should error and stop!
if( deviceIsSelected == false){
goto bail;
}
//---------------------------------- 5 - final initialization steps
OSStatus err;
err = SGSetChannelUsage(gVideoChannel,seqGrabPreview);
if ( err != noErr ) goto bail;
err = SGSetChannelBounds(gVideoChannel, &videoRect);
if ( err != noErr ) goto bail;
err = SGPrepare(gSeqGrabber, true, false); //theo swapped so preview is true and capture is false
if ( err != noErr ) goto bail;
err = SGStartPreview(gSeqGrabber);
if ( err != noErr ) goto bail;
bGrabberInited = true;
loadSettings();
ofLog(OF_LOG_NOTICE,"end setup ofVideoGrabber");
ofLog(OF_LOG_NOTICE,"-------------------------------------\n");
//---------------------------------- 6 - setup texture if needed
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGB);
memset(pixels, 0, width*height*3);
tex.loadData(pixels, width, height, GL_RGB);
}
// we are done
return true;
//--------------------- (bail) something's wrong -----
bail:
ofLog(OF_LOG_ERROR, "***** ofVideoGrabber error *****");
ofLog(OF_LOG_ERROR, "-------------------------------------\n");
//if we don't close this - it messes up the next device!
if(bSgInited) qtCloseSeqGrabber();
bGrabberInited = false;
return false;
//---------------------------------
#endif
//---------------------------------
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_DIRECTSHOW
//---------------------------------
if (bChooseDevice){
device = deviceID;
ofLog(OF_LOG_NOTICE, "choosing %i", deviceID);
} else {
device = 0;
}
width = w;
height = h;
bGrabberInited = false;
bool bOk = VI.setupDevice(device, width, height);
int ourRequestedWidth = width;
int ourRequestedHeight = height;
if (bOk == true){
bGrabberInited = true;
width = VI.getWidth(device);
height = VI.getHeight(device);
if (width == ourRequestedWidth && height == ourRequestedHeight){
bDoWeNeedToResize = false;
} else {
bDoWeNeedToResize = true;
width = ourRequestedWidth;
height = ourRequestedHeight;
}
pixels = new unsigned char[width * height * 3];
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGB);
memset(pixels, 0, width*height*3);
tex.loadData(pixels, width, height, GL_RGB);
}
return true;
} else {
ofLog(OF_LOG_ERROR, "error allocating a video device");
ofLog(OF_LOG_ERROR, "please check your camera with AMCAP or other software");
bGrabberInited = false;
return false;
}
//---------------------------------
#endif
//---------------------------------
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_UNICAP
//--------------------------------
if( !bGrabberInited ){
if ( !bChooseDevice ){
deviceID = 0;
}
width = w;
height = h;
pixels = new unsigned char[width * height * 3];
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGB);
memset(pixels, 0, width*height*3);
tex.loadData(pixels, width, height, GL_RGB);
}
bGrabberInited = ucGrabber.open_device (deviceID);
if( bGrabberInited ){
ofLog(OF_LOG_NOTICE, "choosing device %i: %s", deviceID,ucGrabber.device_identifier());
ucGrabber.set_format(w,h);
ucGrabber.start_capture();
}
}
return bGrabberInited;
//---------------------------------
#endif
//---------------------------------
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_GSTREAMER
//--------------------------------
if(gstUtils.initGrabber(w,h)){
if ( !bChooseDevice ){
deviceID = 0;
}
width = w;
height = h;
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGB);
tex.loadData(gstUtils.getPixels(), width, height, GL_RGB);
}
bGrabberInited = true;
ofLog(OF_LOG_VERBOSE, "ofVideoGrabber: initied");
}else{
bGrabberInited = false;
ofLog(OF_LOG_ERROR, "ofVideoGrabber: couldn't init");
}
return bGrabberInited;
//---------------------------------
#endif
//---------------------------------
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_V4L
//--------------------------------
if (bChooseDevice){
device = deviceID;
} else {
device = 0;
}
sprintf(dev_name, "/dev/video%i", device);
ofLog(OF_LOG_NOTICE, "choosing device %s",dev_name);
bool bOk = initV4L(w, h, dev_name);
if (bOk == true){
bV4LGrabberInited = true;
width = getV4L_Width();
height = getV4L_Height();
pixels = new unsigned char[width * height * 3];
if (bUseTexture){
// create the texture, set the pixels to black and
// upload them to the texture (so at least we see nothing black the callback)
tex.allocate(width,height,GL_RGB);
//memset(pixels, 0, width*height*3);
//tex.loadData(pixels, width, height, GL_RGB);
}
ofLog(OF_LOG_NOTICE, "success allocating a video device ");
return true;
} else {
ofLog(OF_LOG_ERROR, "error allocating a video device");
ofLog(OF_LOG_ERROR, "please check your camera and verify that your driver is correctly installed.");
return false;
} //---------------------------------
//---------------------------------
#endif
//---------------------------------
}
//--------------------------------------------------------------------
void ofVideoGrabber::videoSettings(void){
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_QUICKTIME
//---------------------------------
Rect curBounds, curVideoRect;
ComponentResult err;
// Get our current state
err = SGGetChannelBounds (gVideoChannel, &curBounds);
if (err != noErr){
ofLog(OF_LOG_ERROR, "Error in SGGetChannelBounds");
return;
}
err = SGGetVideoRect (gVideoChannel, &curVideoRect);
if (err != noErr){
ofLog(OF_LOG_ERROR, "Error in SGGetVideoRect");
return;
}
// Pause
err = SGPause (gSeqGrabber, true);
if (err != noErr){
ofLog(OF_LOG_ERROR, "Error in SGPause");
return;
}
#ifdef TARGET_OSX
//load any saved camera settings from file
loadSettings();
static SGModalFilterUPP gSeqGrabberModalFilterUPP = NewSGModalFilterUPP(SeqGrabberModalFilterUPP);
ComponentResult result = SGSettingsDialog(gSeqGrabber, gVideoChannel, 0, nil, seqGrabSettingsPreviewOnly, gSeqGrabberModalFilterUPP, nil);
if (result != noErr){
ofLog(OF_LOG_ERROR, "error in dialogue");
return;
}
//save any changed settings to file
saveSettings();
#else
SGSettingsDialog(gSeqGrabber, gVideoChannel, 0, nil, seqGrabSettingsPreviewOnly, NULL, 0);
#endif
SGSetChannelBounds(gVideoChannel, &videoRect);
SGPause (gSeqGrabber, false);
//---------------------------------
#endif
//---------------------------------
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_DIRECTSHOW
//---------------------------------
if (bGrabberInited == true) VI.showSettingsWindow(device);
//---------------------------------
#endif
//---------------------------------
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_UNICAP
//--------------------------------
ucGrabber.queryUC_imageProperties();
//---------------------------------
#endif
//---------------------------------
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_V4L
//--------------------------------
queryV4L_imageProperties();
//---------------------------------
#endif
//---------------------------------
}
//--------------------------------------------------------------------
bool ofQuickTimeGrabber::initGrabber(int w, int h){
//---------------------------------
#ifdef OF_VIDEO_CAPTURE_QUICKTIME
//---------------------------------
//---------------------------------- 1 - open the sequence grabber
if( !qtInitSeqGrabber() ){
ofLogError("ofQuickTimeGrabber") << "initGrabber(): unable to initialize the seq grabber";
return false;
}
//---------------------------------- 2 - set the dimensions
//width = w;
//height = h;
MacSetRect(&videoRect, 0, 0, w, h);
//---------------------------------- 3 - buffer allocation
// Create a buffer big enough to hold the video data,
// make sure the pointer is 32-byte aligned.
// also the rgb image that people will grab
offscreenGWorldPixels = (unsigned char*)malloc(4 * w * h + 32);
pixels.allocate(w, h, OF_IMAGE_COLOR);
#if defined(TARGET_OSX) && defined(__BIG_ENDIAN__)
QTNewGWorldFromPtr (&(videogworld), k32ARGBPixelFormat, &(videoRect), NULL, NULL, 0, (offscreenGWorldPixels), 4 * w);
#else
QTNewGWorldFromPtr (&(videogworld), k24RGBPixelFormat, &(videoRect), NULL, NULL, 0, (pixels.getPixels()), 3 * w);
#endif
LockPixels(GetGWorldPixMap(videogworld));
SetGWorld (videogworld, NULL);
SGSetGWorld(gSeqGrabber, videogworld, nil);
//---------------------------------- 4 - device selection
bool didWeChooseADevice = bChooseDevice;
bool deviceIsSelected = false;
//if we have a device selected then try first to setup
//that device
if(didWeChooseADevice){
deviceIsSelected = qtSelectDevice(deviceID, true);
if(!deviceIsSelected && bVerbose)
ofLogError("ofQuickTimeGrabber") << "initGrabber(): unable to open device[" << deviceID << "], will attempt other devices";
}
//if we couldn't select our required device
//or we aren't specifiying a device to setup
//then lets try to setup ANY device!
if(deviceIsSelected == false){
//lets list available devices
listDevices();
setDeviceID(0);
deviceIsSelected = qtSelectDevice(deviceID, false);
}
//if we still haven't been able to setup a device
//we should error and stop!
if( deviceIsSelected == false){
goto bail;
}
//---------------------------------- 5 - final initialization steps
OSStatus err;
err = SGSetChannelUsage(gVideoChannel,seqGrabPreview);
if ( err != noErr ) goto bail;
//----------------- callback method for notifying new frame
err = SGSetChannelRefCon(gVideoChannel, (long)&bHavePixelsChanged );
if(!err) {
VideoBottles vb;
/* get the current bottlenecks */
vb.procCount = 9;
err = SGGetVideoBottlenecks(gVideoChannel, &vb);
if (!err) {
myGrabCompleteProc = NewSGGrabCompleteBottleUPP(frameIsGrabbedProc);
vb.grabCompleteProc = myGrabCompleteProc;
/* add our GrabFrameComplete function */
err = SGSetVideoBottlenecks(gVideoChannel, &vb);
}
}
err = SGSetChannelBounds(gVideoChannel, &videoRect);
if ( err != noErr ) goto bail;
err = SGPrepare(gSeqGrabber, true, false); //theo swapped so preview is true and capture is false
if ( err != noErr ) goto bail;
err = SGStartPreview(gSeqGrabber);
if ( err != noErr ) goto bail;
bGrabberInited = true;
loadSettings();
if( attemptFramerate >= 0 ){
err = SGSetFrameRate(gVideoChannel, IntToFixed(attemptFramerate) );
if ( err != noErr ){
ofLogError("ofQuickTimeGrabber") << "initGrabber: couldn't setting framerate to " << attemptFramerate << ": OSStatus " << err;
}
}
ofLogNotice("ofQuickTimeGrabber") << " inited grabbed ";
ofLogNotice("ofQuickTimeGrabber") << "-------------------------------------";
// we are done
return true;
//--------------------- (bail) something's wrong -----
bail:
ofLogError("ofQuickTimeGrabber") << "***** ofQuickTimeGrabber error *****";
ofLogError("ofQuickTimeGrabber") << "------------------------------------";
//if we don't close this - it messes up the next device!
if(bSgInited) qtCloseSeqGrabber();
bGrabberInited = false;
return false;
//---------------------------------
#else
//---------------------------------
return false;
//---------------------------------
#endif
//---------------------------------
}
static gboolean
gst_osx_video_src_set_caps (GstBaseSrc * src, GstCaps * caps)
{
GstOSXVideoSrc *self = GST_OSX_VIDEO_SRC (src);
GstStructure *structure = gst_caps_get_structure (caps, 0);
gint width, height, framerate_num, framerate_denom;
float fps;
ComponentResult err;
GST_DEBUG_OBJECT (src, "%s", G_STRFUNC);
if (!self->seq_grab)
return FALSE;
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
gst_structure_get_fraction (structure, "framerate", &framerate_num,
&framerate_denom);
fps = (float) framerate_num / framerate_denom;
GST_DEBUG_OBJECT (src, "changing caps to %dx%d@%f", width, height, fps);
SetRect (&self->rect, 0, 0, width, height);
err = QTNewGWorld (&self->world, k422YpCbCr8PixelFormat, &self->rect, 0,
NULL, 0);
if (err != noErr) {
GST_ERROR_OBJECT (self, "QTNewGWorld returned %d", (int) err);
goto fail;
}
if (!LockPixels (GetPortPixMap (self->world))) {
GST_ERROR_OBJECT (self, "LockPixels failed");
goto fail;
}
err = SGSetGWorld (self->seq_grab, self->world, NULL);
if (err != noErr) {
GST_ERROR_OBJECT (self, "SGSetGWorld returned %d", (int) err);
goto fail;
}
err = SGSetChannelBounds (self->video_chan, &self->rect);
if (err != noErr) {
GST_ERROR_OBJECT (self, "SGSetChannelBounds returned %d", (int) err);
goto fail;
}
// ###: if we ever support choosing framerates, do something with this
/*err = SGSetFrameRate (self->video_chan, FloatToFixed(fps));
if (err != noErr) {
GST_ERROR_OBJECT (self, "SGSetFrameRate returned %d", (int) err);
goto fail;
} */
return TRUE;
fail:
if (self->world) {
SGSetGWorld (self->seq_grab, NULL, NULL);
DisposeGWorld (self->world);
self->world = NULL;
}
return FALSE;
}
void pix_videoDarwin :: InitSeqGrabber()
{
OSErr anErr;
Rect m_srcRect = {0,0, m_vidYSize, m_vidXSize};
SGDeviceList devices;
short deviceIndex,inputIndex;
short deviceCount = 0;
SGDeviceInputList theSGInputList = NULL;
bool showInputsAsDevices;
// UserData *uD;
/*
int num_components = 0;
Component c = 0;
ComponentDescription cd;
cd.componentType = SeqGrabComponentType;
cd.componentSubType = 0;
cd.componentManufacturer = 0;
cd.componentFlags = 0;
cd.componentFlagsMask = 0;
while((c = FindNextComponent(c, &cd)) != 0) {
num_components++; } // add component c to the list.
// post("number of SGcomponents: %d",num_components);
*/
m_sg = OpenDefaultComponent(SeqGrabComponentType, 0);
if(m_sg==NULL){
error("could not open default component");
return;
}
anErr = SGInitialize(m_sg);
if(anErr!=noErr){
error("could not initialize SG error %d",anErr);
return;
}
anErr = SGSetDataRef(m_sg, 0, 0, seqGrabDontMakeMovie);
if (anErr != noErr){
error("dataref failed with error %d",anErr);
}
anErr = SGNewChannel(m_sg, VideoMediaType, &m_vc);
if(anErr!=noErr){
error("could not make new SG channnel error %d",anErr);
return;
}
anErr = SGGetChannelDeviceList(m_vc, sgDeviceListIncludeInputs, &devices);
if(anErr!=noErr){
error("could not get SG channnel Device List");
}else{
deviceCount = (*devices)->count;
deviceIndex = (*devices)->selectedIndex;
logpost(NULL, 3, "SG channnel Device List count %d index %d",deviceCount,deviceIndex);
int i;
for (i = 0; i < deviceCount; i++){
logpost(NULL, 3, "SG channnel Device List %.*s",
(*devices)->entry[i].name[0],
(*devices)->entry[i].name+1);
}
SGGetChannelDeviceAndInputNames(m_vc, NULL, NULL, &inputIndex);
showInputsAsDevices = ((*devices)->entry[deviceIndex].flags) & sgDeviceNameFlagShowInputsAsDevices;
theSGInputList = ((SGDeviceName *)(&((*devices)->entry[deviceIndex])))->inputs; //fugly
//we should have device names in big ass undocumented structs
//walk through the list
//for (i = 0; i < deviceCount; i++){
for (i = 0; i < inputIndex; i++){
logpost(NULL, 3, "SG channnel Input Device List %d %.*s",
i,
(*theSGInputList)->entry[i].name[0],
(*theSGInputList)->entry[i].name+1);
}
}
//this call sets the input device
if (m_inputDevice > 0 && m_inputDevice < deviceCount) //check that the device is not out of bounds
//anErr = SGSetChannelDeviceInput(m_vc,m_inputDevice);
logpost(NULL, 3, "SGSetChannelDevice trying %s",
(*devices)->entry[m_inputDevice].name[0],
(*devices)->entry[m_inputDevice].name+1);
anErr = SGSetChannelDevice(m_vc, (*devices)->entry[m_inputDevice].name);
if(anErr!=noErr) error("SGSetChannelDevice returned error %d",anErr);
anErr = SGSetChannelDeviceInput(m_vc,m_inputDeviceChannel);
if(anErr!=noErr) error("SGSetChannelDeviceInput returned error %d",anErr);
/* //attempt to save SG settings to disk
NewUserData(uD);
SGGetSettings(m_sg,uD,0);
short uDCount;
uDCount = CountUserDataType(*uD,sgClipType);
post("UserDataType count %d",uDCount);
Handle myHandle;
PutUserDataIntoHandle(*uD,myHandle);
int myFile;
myFile = open("/Users/lincoln/Documents/temp",O_CREAT | O_RDWR, 0600);
write(myFile,myHandle,4096);
close(myFile);
*/
//grab the VDIG info from the SGChannel
m_vdig = SGGetVideoDigitizerComponent(m_vc);
vdigErr = VDGetDigitizerInfo(m_vdig,&m_vdigInfo); //not sure if this is useful
Str255 vdigName;
memset(vdigName,0,255);
vdigErr = VDGetInputName(m_vdig,m_inputDevice,vdigName);
logpost(NULL, 3, "vdigName is %s",vdigName); // pascal string?
Rect vdRect;
vdigErr = VDGetDigitizerRect(m_vdig,&vdRect);
logpost(NULL, 3, "digitizer rect is top %d bottom %d left %d right %d",vdRect.top,vdRect.bottom,vdRect.left,vdRect.right);
vdigErr = VDGetActiveSrcRect(m_vdig,0,&vdRect);
logpost(NULL, 3, "active src rect is top %d bottom %d left %d right %d",vdRect.top,vdRect.bottom,vdRect.left,vdRect.right);
anErr = SGSetChannelBounds(m_vc, &m_srcRect);
if(anErr!=noErr){
error("could not set SG ChannelBounds ");
}
anErr = SGSetVideoRect(m_vc, &m_srcRect);
if(anErr!=noErr){
error("could not set SG Rect ");
}
anErr = SGSetChannelUsage(m_vc, seqGrabPreview);
if(anErr!=noErr){
error("could not set SG ChannelUsage ");
}
switch (m_quality){
case 0:
anErr = SGSetChannelPlayFlags(m_vc, channelPlayNormal);
post("set SG NormalQuality");
break;
case 1:
anErr = SGSetChannelPlayFlags(m_vc, channelPlayHighQuality);
post("set SG HighQuality");
break;
case 2:
anErr = SGSetChannelPlayFlags(m_vc, channelPlayFast);
post("set SG FastQuality");
break;
case 3:
anErr = SGSetChannelPlayFlags(m_vc, channelPlayAllData);
post("set SG PlayAlldata");
break;
}
if (m_colorspace==GL_BGRA_EXT){
m_pixBlock.image.xsize = m_vidXSize;
m_pixBlock.image.ysize = m_vidYSize;
m_pixBlock.image.setCsizeByFormat(GL_RGBA_GEM);
m_pixBlock.image.reallocate();
m_rowBytes = m_vidXSize*4;
anErr = QTNewGWorldFromPtr (&m_srcGWorld,
k32ARGBPixelFormat,
&m_srcRect,
NULL,
NULL,
0,
m_pixBlock.image.data,
m_rowBytes);
post ("using RGB");
}else{
m_pixBlock.image.xsize = m_vidXSize;
m_pixBlock.image.ysize = m_vidYSize;
m_pixBlock.image.csize = 2;
m_pixBlock.image.format = GL_YCBCR_422_APPLE;
#ifdef __VEC__
m_pixBlock.image.type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
#else
m_pixBlock.image.type = GL_UNSIGNED_SHORT_8_8_APPLE;
#endif
m_pixBlock.image.reallocate();
m_rowBytes = m_vidXSize*2;
anErr = QTNewGWorldFromPtr (&m_srcGWorld,
// k422YpCbCr8CodecType,
k422YpCbCr8PixelFormat,
// '2vuy',
// kComponentVideoUnsigned,
&m_srcRect,
NULL,
NULL,
0,
m_pixBlock.image.data,
m_rowBytes);
post ("using YUV");
}
if (anErr!= noErr)
{
error("%d error at QTNewGWorldFromPtr", anErr);
return;
}
if (NULL == m_srcGWorld)
{
error("could not allocate off screen");
return;
}
SGSetGWorld(m_sg,(CGrafPtr)m_srcGWorld, NULL);
SGStartPreview(m_sg); //moved to starttransfer?
m_haveVideo = 1;
}
static int sequence_grabber_start(V4lState *s)
{
int err;
Rect theRect = {0, 0, s->vsize.height, s->vsize.width};
err = QTNewGWorld(&(s->pgworld), // returned GWorld
k24BGRPixelFormat,
&theRect, // bounding rectangle
0, // color table
NULL, // graphic device handle
0); // flags
if (err!=noErr)
{
return -1;
}
if(!LockPixels(GetPortPixMap(s->pgworld)))
{
v4m_close(s);
return -1;
}
s->seqgrab = OpenDefaultComponent(SeqGrabComponentType, 0);
err = SGInitialize(s->seqgrab);
if (err!=noErr)
{
v4m_close(s);
return -1;
}
err = SGSetDataRef(s->seqgrab, 0, 0, seqGrabDontMakeMovie);
if (err!=noErr)
{
v4m_close(s);
return -1;
}
err = SGSetGWorld(s->seqgrab, s->pgworld, GetMainDevice());
if (err!=noErr)
{
v4m_close(s);
return -1;
}
err = SGNewChannel(s->seqgrab, VideoMediaType, &s->sgchanvideo);
if (err!=noErr)
{
v4m_close(s);
return -1;
}
err = SGSetChannelBounds(s->sgchanvideo, &theRect);
if (err!=noErr)
{
v4m_close(s);
return -1;
}
err = SGSetChannelUsage(s->sgchanvideo, seqGrabRecord);
if (err!=noErr)
{
v4m_close(s);
return -1;
}
err = SGSetDataProc(s->seqgrab,NewSGDataUPP(sgdata_callback),(long)s);
if (err!=noErr)
{
v4m_close(s);
return -1;
}
err = SGStartRecord(s->seqgrab);
if (err!=noErr)
{
v4m_close(s);
return -1;
}
return 0;
}
