<![CDATA[Forums - All Forums]]> http://mitov.com/forum/ Sat, 23 May 2026 13:36:00 +0000 MyBB <![CDATA[Modification of Playback Speed]]> http://mitov.com/forum/thread-3610.html Wed, 10 Jul 2019 08:36:41 -0400 http://mitov.com/forum/thread-3610.html I need to play an file with a speed different from the original one.
I tried TALDSAudioPlayer and some values of PlayBackRate different from 1.
I did not see any effect.
Has anyone so far an idea about that?

Wilfried]]> I need to play an file with a speed different from the original one.
I tried TALDSAudioPlayer and some values of PlayBackRate different from 1.
I did not see any effect.
Has anyone so far an idea about that?

Wilfried]]> <![CDATA[Problems copying video file using TVLLACVideoLogger and TVLLACVideoPlayer]]> http://mitov.com/forum/thread-3609.html Tue, 18 Jun 2019 13:33:26 -0400 http://mitov.com/forum/thread-3609.html
Logger compression is AutoSelect.


A click on a button executes the following code:

VLLAVVideoPlayer1.open;
VLLAVVideoPlayer1.start;
VLLAVVideoLogger1.enabled := true;

What follows is a short flicker of the video and then an error message ("could not open video codec.....").
Pressing CONTINUE an message integer divide by zero at... appears.

Just showing the video not connecting the logger is OK.

The problem appears in VCL and FMX.

Where is my mistake?

Thanks for any help

Wilfried]]>
Logger compression is AutoSelect.


A click on a button executes the following code:

VLLAVVideoPlayer1.open;
VLLAVVideoPlayer1.start;
VLLAVVideoLogger1.enabled := true;

What follows is a short flicker of the video and then an error message ("could not open video codec.....").
Pressing CONTINUE an message integer divide by zero at... appears.

Just showing the video not connecting the logger is OK.

The problem appears in VCL and FMX.

Where is my mistake?

Thanks for any help

Wilfried]]> <![CDATA[Allavaudioplayer buffer clear]]> http://mitov.com/forum/thread-3608.html Wed, 26 Dec 2018 12:25:59 -0500 http://mitov.com/forum/thread-3608.html <![CDATA[Watermark?]]> http://mitov.com/forum/thread-3607.html Sun, 07 Jan 2018 23:35:43 -0500 http://mitov.com/forum/thread-3607.html I've been using Videolab and Audiolab in a non commercial app I developed for a charity organization for quite a few years. Recently I recompiled the app in Delphi Tokyo (from Delphi 2010) with the newest release of Videolab and am now seeing what appears to be a watermark on the videos. The text shown is 'DisposeOfVersion-www.Mitov.com'.
How can I remove/disable the text?
Thanks.]]> I've been using Videolab and Audiolab in a non commercial app I developed for a charity organization for quite a few years. Recently I recompiled the app in Delphi Tokyo (from Delphi 2010) with the newest release of Videolab and am now seeing what appears to be a watermark on the videos. The text shown is 'DisposeOfVersion-www.Mitov.com'.
How can I remove/disable the text?
Thanks.]]> <![CDATA[realtime lags CurrentFrame value]]> http://mitov.com/forum/thread-3606.html Mon, 14 Aug 2017 03:59:46 -0400 http://mitov.com/forum/thread-3606.html
To replicate, have a video say 2000 frames long.
Play it with a VLDSVideoPlayer.
In the player progress event update a label with CurrentFrame.

if you play it at 1x, the label value will get to 2000 as the video ends.
Set the playback rate to 2.5 for example, and the label will get to 2000 and the video will still be playing.

Therefore my video "event" will occur at different frame numbers depending on the playback speed.

I would expect the same 'event' would always be at the same frame number.

thanks,
Mark]]>
To replicate, have a video say 2000 frames long.
Play it with a VLDSVideoPlayer.
In the player progress event update a label with CurrentFrame.

if you play it at 1x, the label value will get to 2000 as the video ends.
Set the playback rate to 2.5 for example, and the label will get to 2000 and the video will still be playing.

Therefore my video "event" will occur at different frame numbers depending on the playback speed.

I would expect the same 'event' would always be at the same frame number.

thanks,
Mark]]> <![CDATA[Mitov Runtime - OpenCL error]]> http://mitov.com/forum/thread-3605.html Fri, 04 Aug 2017 05:25:04 -0400 http://mitov.com/forum/thread-3605.html I tried to use Rad Studio 10.1 Berlin Starter with Mitov Runtime(which was installed succesfully) and have a problem. I created empty C++ project and #include <Mitov.OpenCL.hpp> and compiler gives me error: [ilink32 Error] Fatal: Unable to open file 'CBGDIPLUS.LIB'. I would be grateful for any advice.]]> I tried to use Rad Studio 10.1 Berlin Starter with Mitov Runtime(which was installed succesfully) and have a problem. I created empty C++ project and #include <Mitov.OpenCL.hpp> and compiler gives me error: [ilink32 Error] Fatal: Unable to open file 'CBGDIPLUS.LIB'. I would be grateful for any advice.]]> <![CDATA[CurrentTime error when changed playbackrate]]> http://mitov.com/forum/thread-3602.html Sun, 25 Jun 2017 19:23:53 -0400 http://mitov.com/forum/thread-3602.html I have an application where I watch video and note the time when certain events occur. I want to do this with sped up video as the events are rare and easily seen.

problem is, if I increase the playbackrate to say 3.0, the CurrentTime value does not stay in sync with the elapsed time. Neither does the CurrentFrame value when accessed during the Progress event.

Any ideas on how I can get an (reasonably) accurate elapsed time counter during greater than x1 playback?

Mark]]> I have an application where I watch video and note the time when certain events occur. I want to do this with sped up video as the events are rare and easily seen.

problem is, if I increase the playbackrate to say 3.0, the CurrentTime value does not stay in sync with the elapsed time. Neither does the CurrentFrame value when accessed during the Progress event.

Any ideas on how I can get an (reasonably) accurate elapsed time counter during greater than x1 playback?

Mark]]> <![CDATA[Problems connectin pins - bug or feature?]]> http://mitov.com/forum/thread-3599.html Wed, 26 Apr 2017 14:34:17 -0400 http://mitov.com/forum/thread-3599.html I use RAD 10.1 with Delphi.]]> I use RAD 10.1 with Delphi.]]> <![CDATA[Is there a limit of 9 state dispatchers per form??]]> http://mitov.com/forum/thread-3598.html Wed, 26 Apr 2017 04:45:35 -0400 http://mitov.com/forum/thread-3598.html In Open Wire Studio I can add a 10th State dispatcher to a form by connecting the pins of two newly added OWLTrackbars.
Clicking the design Tab and switching to "view as form" I can see 10th state dispatcher in the dfm-File listed.
Trying to see the pin list by clicking on the pin entry in the object inspector delivers an error.
After storing the 10th state dispatcher disappears and the OWLTrackbars are connected to an older state dispatcher.

Is there a limit of 9 state dispatchers or is it a bug? Can anyone help me?]]> In Open Wire Studio I can add a 10th State dispatcher to a form by connecting the pins of two newly added OWLTrackbars.
Clicking the design Tab and switching to "view as form" I can see 10th state dispatcher in the dfm-File listed.
Trying to see the pin list by clicking on the pin entry in the object inspector delivers an error.
After storing the 10th state dispatcher disappears and the OWLTrackbars are connected to an older state dispatcher.

Is there a limit of 9 state dispatchers or is it a bug? Can anyone help me?]]> <![CDATA[How to get the result buffers from CTSLFourier.SpectrumOutputPin.]]> http://mitov.com/forum/thread-3597.html Mon, 24 Apr 2017 21:49:45 -0400 http://mitov.com/forum/thread-3597.html
I am using Audio DSP Combo V5.0.3 with VisualStudio 2013 with MFC.

How can I get the result buffers from CTSLFourier.SpectrumOutputPin
or any other outputpin?

My code is like below.
-----------------------
void __stdcall OnGenericRealFFTSpectrumEvent(void *Sender, TSLCRealBuffer InBuffer, TSLCRealBuffer &OutBuffer, bool &SendOutputData);

CTSLFourier m_SLFourier;
CTSLGenericReal m_SLGenericReal;
...

m_SLFourier.SpectrumOutputPin.Connect(m_SLGenericReal.InputPin);
m_SLGenericReal.OnProcessData.Set(this, &CMyView::OnGenericRealFFTSpectrumEvent);
...
-----------------------

Compile error occurred like below.
-----------------------
error C2440: '...' : 'void (__stdcall CMyView::* )(void *,TSLCRealBuffer,TSLCRealBuffer &,bool &)'.. 'CSLProcessRealEvent::TProcessCallBackFunction' ..... c:\program files (x86)\labpacks\visual c++\include\cslgenericreal.h 41 1 ...
-----------------------

Is there any other solution?
Please anyone give me suggest.

Thanks.]]>
I am using Audio DSP Combo V5.0.3 with VisualStudio 2013 with MFC.

How can I get the result buffers from CTSLFourier.SpectrumOutputPin
or any other outputpin?

My code is like below.
-----------------------
void __stdcall OnGenericRealFFTSpectrumEvent(void *Sender, TSLCRealBuffer InBuffer, TSLCRealBuffer &OutBuffer, bool &SendOutputData);

CTSLFourier m_SLFourier;
CTSLGenericReal m_SLGenericReal;
...

m_SLFourier.SpectrumOutputPin.Connect(m_SLGenericReal.InputPin);
m_SLGenericReal.OnProcessData.Set(this, &CMyView::OnGenericRealFFTSpectrumEvent);
...
-----------------------

Compile error occurred like below.
-----------------------
error C2440: '...' : 'void (__stdcall CMyView::* )(void *,TSLCRealBuffer,TSLCRealBuffer &,bool &)'.. 'CSLProcessRealEvent::TProcessCallBackFunction' ..... c:\program files (x86)\labpacks\visual c++\include\cslgenericreal.h 41 1 ...
-----------------------

Is there any other solution?
Please anyone give me suggest.

Thanks.]]> <![CDATA[10.2 Tokyo]]> http://mitov.com/forum/thread-3596.html Sat, 15 Apr 2017 20:11:22 -0400 http://mitov.com/forum/thread-3596.html
Thanks!]]>
Thanks!]]> <![CDATA[TVLLAVVideoPlayer playlist ?]]> http://mitov.com/forum/thread-3595.html Sat, 11 Mar 2017 07:49:03 -0500 http://mitov.com/forum/thread-3595.html
Does somebody knows the correct sequence of instruction to do this ?

loop is set to false

on stop event code :

if select1 > length(arrayfichier1)
then
select1 := 1
else
select1 := select1 +1;

fichier1 := arrayfichier1[select1-1];
titre1.Caption := extractfilename(fichier1);

P1.FileName := fichier1;
p1.Open;

Application.HandleMessage;
p1.Paused := False;
p1.Start();]]>
Does somebody knows the correct sequence of instruction to do this ?

loop is set to false

on stop event code :

if select1 > length(arrayfichier1)
then
select1 := 1
else
select1 := select1 +1;

fichier1 := arrayfichier1[select1-1];
titre1.Caption := extractfilename(fichier1);

P1.FileName := fichier1;
p1.Open;

Application.HandleMessage;
p1.Paused := False;
p1.Start();]]> <![CDATA[TVLLAVVideoPlayer playlist ?]]> http://mitov.com/forum/thread-3594.html Sat, 11 Mar 2017 03:22:09 -0500 http://mitov.com/forum/thread-3594.html
Does somebody knows the correct sequence of instruction to do this ?

loop is set to false

on stop event code :

if select1 > length(arrayfichier1)
then
select1 := 1
else
select1 := select1 +1;

fichier1 := arrayfichier1[select1-1];
titre1.Caption := extractfilename(fichier1);

P1.FileName := fichier1;
p1.Open;

Application.HandleMessage;
p1.Paused := False;
p1.Start();]]>
Does somebody knows the correct sequence of instruction to do this ?

loop is set to false

on stop event code :

if select1 > length(arrayfichier1)
then
select1 := 1
else
select1 := select1 +1;

fichier1 := arrayfichier1[select1-1];
titre1.Caption := extractfilename(fichier1);

P1.FileName := fichier1;
p1.Open;

Application.HandleMessage;
p1.Paused := False;
p1.Start();]]> <![CDATA[Haar Cascade XML, what format?]]> http://mitov.com/forum/thread-3529.html Tue, 20 Dec 2016 15:54:50 -0500 http://mitov.com/forum/thread-3529.html
I seems that the current xml does not match what was included with the lab packs.

This being the case, I can't use a new haar trainer to generate xml for my project, and I current;y have no way to determine what version/variant of an older haar trainer would be compatible.

Help!

Example:
LabPack
Code:
<opencv_storage>
<haarcascade_frontaleye type_id="opencv-haar-classifier">
  <size>
    20 20</size>
  <stages>
    <_>
      <!-- stage 0 -->
      <trees>
        <_>
          <!-- tree 0 -->
          <_>
            <!-- root node -->
            <feature>
              <rects>
                <_>
                  0 8 20 12 -1.</_>
                <_>
                  0 14 20 6 2.</_></rects>
              <tilted>0</tilted></feature>
            <threshold>0.1296395957469940</threshold>
            <left_val>-0.7730420827865601</left_val>
            <right_val>0.6835014820098877</right_val></_></_>
        <_>
          <!-- tree 1 -->
          <_>
            <!-- root node -->
            <feature>
              <rects>
                <_>
                  9 1 4 15 -1.</_>
                <_>
                  9 6 4 5 3.</_></rects>
              <tilted>0</tilted></feature>
            <threshold>-0.0463268086314201</threshold>
            <left_val>0.5735275149345398</left_val>
            <right_val>-0.4909768998622894</right_val></_></_>
        <_>

Current OpenCV
Code:
<opencv_storage>
<cascade type_id="opencv-cascade-classifier"><stageType>BOOST</stageType>
  <featureType>HAAR</featureType>
  <height>20</height>
  <width>20</width>
  <stageParams>
    <maxWeakCount>93</maxWeakCount></stageParams>
  <featureParams>
    <maxCatCount>0</maxCatCount></featureParams>
  <stageNum>24</stageNum>
  <stages>
    <_>
      <maxWeakCount>6</maxWeakCount>
      <stageThreshold>-1.4562760591506958e+00</stageThreshold>
      <weakClassifiers>
        <_>
          <internalNodes>
            0 -1 0 1.2963959574699402e-01</internalNodes>
          <leafValues>
            -7.7304208278656006e-01 6.8350148200988770e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 1 -4.6326808631420135e-02</internalNodes>
          <leafValues>
            5.7352751493453979e-01 -4.9097689986228943e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 2 -1.6173090785741806e-02</internalNodes>
          <leafValues>
            6.0254341363906860e-01 -3.1610709428787231e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 3 -4.5828841626644135e-02</internalNodes>
          <leafValues>
            6.4177548885345459e-01 -1.5545040369033813e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 4 -5.3759619593620300e-02</internalNodes>
          <leafValues>
            5.4219317436218262e-01 -2.0480829477310181e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 5 3.4171190112829208e-02</internalNodes>
          <leafValues>
            -2.3388190567493439e-01 4.8410901427268982e-01</leafValues></_></weakClassifiers></_>
    <_>
]]>
I seems that the current xml does not match what was included with the lab packs.

This being the case, I can't use a new haar trainer to generate xml for my project, and I current;y have no way to determine what version/variant of an older haar trainer would be compatible.

Help!

Example:
LabPack
Code:
<opencv_storage>
<haarcascade_frontaleye type_id="opencv-haar-classifier">
  <size>
    20 20</size>
  <stages>
    <_>
      <!-- stage 0 -->
      <trees>
        <_>
          <!-- tree 0 -->
          <_>
            <!-- root node -->
            <feature>
              <rects>
                <_>
                  0 8 20 12 -1.</_>
                <_>
                  0 14 20 6 2.</_></rects>
              <tilted>0</tilted></feature>
            <threshold>0.1296395957469940</threshold>
            <left_val>-0.7730420827865601</left_val>
            <right_val>0.6835014820098877</right_val></_></_>
        <_>
          <!-- tree 1 -->
          <_>
            <!-- root node -->
            <feature>
              <rects>
                <_>
                  9 1 4 15 -1.</_>
                <_>
                  9 6 4 5 3.</_></rects>
              <tilted>0</tilted></feature>
            <threshold>-0.0463268086314201</threshold>
            <left_val>0.5735275149345398</left_val>
            <right_val>-0.4909768998622894</right_val></_></_>
        <_>

Current OpenCV
Code:
<opencv_storage>
<cascade type_id="opencv-cascade-classifier"><stageType>BOOST</stageType>
  <featureType>HAAR</featureType>
  <height>20</height>
  <width>20</width>
  <stageParams>
    <maxWeakCount>93</maxWeakCount></stageParams>
  <featureParams>
    <maxCatCount>0</maxCatCount></featureParams>
  <stageNum>24</stageNum>
  <stages>
    <_>
      <maxWeakCount>6</maxWeakCount>
      <stageThreshold>-1.4562760591506958e+00</stageThreshold>
      <weakClassifiers>
        <_>
          <internalNodes>
            0 -1 0 1.2963959574699402e-01</internalNodes>
          <leafValues>
            -7.7304208278656006e-01 6.8350148200988770e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 1 -4.6326808631420135e-02</internalNodes>
          <leafValues>
            5.7352751493453979e-01 -4.9097689986228943e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 2 -1.6173090785741806e-02</internalNodes>
          <leafValues>
            6.0254341363906860e-01 -3.1610709428787231e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 3 -4.5828841626644135e-02</internalNodes>
          <leafValues>
            6.4177548885345459e-01 -1.5545040369033813e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 4 -5.3759619593620300e-02</internalNodes>
          <leafValues>
            5.4219317436218262e-01 -2.0480829477310181e-01</leafValues></_>
        <_>
          <internalNodes>
            0 -1 5 3.4171190112829208e-02</internalNodes>
          <leafValues>
            -2.3388190567493439e-01 4.8410901427268982e-01</leafValues></_></weakClassifiers></_>
    <_>
]]> <![CDATA[TVLHaarObjectDetect 4-5 Second Delay]]> http://mitov.com/forum/thread-3516.html Tue, 13 Dec 2016 13:48:45 -0500 http://mitov.com/forum/thread-3516.html The VLHaarDetectObjects control is updating a second VLImageDisplay.
The detect is working, but there seems to be 4-5 seconds behind the camera.

Any thoughts on optimizations, compression algorithms, etc.?

I tried recording the video, and using an AVI player as in the demo, but that also trails by 4-5 seconds.

If I use a single AVI player as in the demo, the delay isn't visible, but if I play the same source through two different AVI Players, the feed from the HaarDetect quickly gets (and stays) 4-5 seconds behind...]]> The VLHaarDetectObjects control is updating a second VLImageDisplay.
The detect is working, but there seems to be 4-5 seconds behind the camera.

Any thoughts on optimizations, compression algorithms, etc.?

I tried recording the video, and using an AVI player as in the demo, but that also trails by 4-5 seconds.

If I use a single AVI player as in the demo, the delay isn't visible, but if I play the same source through two different AVI Players, the feed from the HaarDetect quickly gets (and stays) 4-5 seconds behind...]]> <![CDATA[HAARObjectDetection Tutorials/Demo/Sample Code?]]> http://mitov.com/forum/thread-3513.html Mon, 12 Dec 2016 14:49:00 -0500 http://mitov.com/forum/thread-3513.html
I found a couple of demo applications...but no source.

Help?

Please?
For those of you struggling like I am...

I found a lot of sample source code here: C:\Program Files (x86)\Embarcadero\RAD Studio\12.0\LabPacks\Demos\XE5\Delphi\FireMonkey]]>
I found a couple of demo applications...but no source.

Help?

Please?
For those of you struggling like I am...

I found a lot of sample source code here: C:\Program Files (x86)\Embarcadero\RAD Studio\12.0\LabPacks\Demos\XE5\Delphi\FireMonkey]]> <![CDATA[How do you move a track bar while playing audio]]> http://mitov.com/forum/thread-3505.html Thu, 08 Dec 2016 18:18:49 -0500 http://mitov.com/forum/thread-3505.html <![CDATA[Show the VLDSCapture SelectVideoDevice dialog at runtime?]]> http://mitov.com/forum/thread-3503.html Thu, 08 Dec 2016 09:50:53 -0500 http://mitov.com/forum/thread-3503.html
When the application is running, cdVideoCapture and cdVideoCapturePin are the only available dialogs.

Is there a way to have these dialogs available when the application is running?

Alternatively, is there a control/property/function that returns the available video devices (you know, I'm going to ask for audio devices next) that I could put in a list for the user to select?

Current Code:
Code:
procedure TForm1.btnShowDialogClick(Sender: TObject);
var
  myVideoDialogs : VLDSCapture.TVLDSCaptureDialogs;
begin
  myVideoDialogs := VLDSCapture1.AvailableVideoDialogs;
  VLDSCapture1.ShowVideoDialog(VLDSCapture.TVLDSCaptureDialog.cdVideoCapture)​;
end;


Delphi, XE5, VCL 6.0.0.283 Labs....

Thanks!!!]]>
When the application is running, cdVideoCapture and cdVideoCapturePin are the only available dialogs.

Is there a way to have these dialogs available when the application is running?

Alternatively, is there a control/property/function that returns the available video devices (you know, I'm going to ask for audio devices next) that I could put in a list for the user to select?

Current Code:
Code:
procedure TForm1.btnShowDialogClick(Sender: TObject);
var
  myVideoDialogs : VLDSCapture.TVLDSCaptureDialogs;
begin
  myVideoDialogs := VLDSCapture1.AvailableVideoDialogs;
  VLDSCapture1.ShowVideoDialog(VLDSCapture.TVLDSCaptureDialog.cdVideoCapture)​;
end;


Delphi, XE5, VCL 6.0.0.283 Labs....

Thanks!!!]]> <![CDATA[two webcam error]]> http://mitov.com/forum/thread-3204.html Sun, 27 Nov 2016 11:32:28 -0500 http://mitov.com/forum/thread-3204.html I want to add two VLDSCapture object to show two webcam video.
If I use two webcam at the same time.
It always have the same error message (ESLException with message 'Can't start capture. -2147942431 - 8007001F').
How can I use two webcam at the same time?

note: I use XE6 and install VisionLab_VCL_7.6.1.0


Thanks.]]> I want to add two VLDSCapture object to show two webcam video.
If I use two webcam at the same time.
It always have the same error message (ESLException with message 'Can't start capture. -2147942431 - 8007001F').
How can I use two webcam at the same time?

note: I use XE6 and install VisionLab_VCL_7.6.1.0


Thanks.]]> <![CDATA[Piller uten resept]]> http://mitov.com/forum/thread-3201.html Sun, 27 Nov 2016 10:57:55 -0500 http://mitov.com/forum/thread-3201.html colchicine pГҐ nett
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forthyron billig
hydroksyzinhydroklorid pГҐ nett]]> colchicine pГҐ nett
apraklonidinhydroklorid pГҐ nett
pris for priligy
bestill glucophage
bestill trimipraminmaleat
pergotime uten resept
pris for lamivudine
glipizide pГҐ nett
duloxetin uten resept
pris for topimax
pris for olmetec
imurel
amlodipinbesilat uten resept
remeron
pris for claritin
estradiol pГҐ nett
novofem billig
voltarol pГҐ nett
klomipraminhydroklorid billig
trimipraminmaleat uten resept
bestill fevarin
pevisone billig
enalaprilmaleat
pris for zidoval
pris for lastin
forthyron billig
hydroksyzinhydroklorid pГҐ nett]]>

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