Hi,
I am trying to play the video on android device. I did the coding as follows.
in .H file.
Code:
osg::ref_ptrosg::Geode geode;
osg::ref_ptrosg::Texture2D mVideoTexture;
osg::Image* img;
osg::ref_ptrosg::ImageStream videoStream[2];
osg::ref_ptrosg::MatrixTransform mtForMarker[2];
Hi,
The log is
Code:
02-09 14:01:41.114: W/Osg Viewer(14026): FFmpegImageStream::open :
av_open_input_file() failed
02-09 14:01:41.118: W/Osg Viewer(14026): Warning: Could not find plugin to read
objects from file /mnt/sdcard/VideoTest/1.avi.ffmpeg.
The steps what I followed to generate
Hi Jordi Torres David Longest,
Thank you very much for the valuable information.
I compiled successfully. When try to read a avi file then
osgDB::readImageFile always returns NULL.
Does ffmpeg plug-in needs any external .so or .a files (like PNG needs
libpng15.dll with osgdb_png.dll).
I
Hi Jordi Torres and Jan Ciger,
Thank you very much for the reply.
I downloaded ffmpeg1.0 from FFmpeg site. Now compiled statically to generate
.a files. I generated
/armeabi-v7a/libavformat.a
/armeabi-v7a/libavcodec.a
/armeabi-v7a/libavdevice.a
/armeabi-v7a/libswscale.a
Hi Jordi Torres,
Thank you very much for the help. I did that in .cpp file as follows
Code:
img = osgDB::readImageFile(filename);
videoStream[idx] = dynamic_castosg::ImageStream*(img);
if (videoStream[idx].valid())
{
LOG( Got movie);
Hi Jordi Torres,
When I use jpeg plugin, I did the following things
1) USE_OSGPLUGIN(jpeg) in .h file
2) Added -ljpeg to LOCAL_LDLIBS in Android.mk file
3) Added -losgdb_jpeg \ to LOCAL_LDFLAGS in Android.mk file.
Similarly I need to do for ffmpeg plugin also.
I added -lffmpeg to LOCAL_LDLIBS
Hi Jordi Torres,
I build ffmpeg1.0 with OSG3.0.1 for Android (for armv7-a) device. When build
example I am getting the errors like undefined reference to
`av_log_set_callback.
I Added USE_OSGPLUGIN(ffmpeg) to .h file and added ldflag as -losgdb_ffmpeg
to Android.mk file.
Here are the full
Hi,
I downloaded latest ffmpeg submission, replaced all files in
/src/plugins/ffmpeg folder and compiled. I am getting the following error.
Code:
/home/ttpl/Android/OSG/ffmpeg_Plugin/OpenSceneGraph-3.0.1/src/osgPlugins/ffmpeg/FFmpegHeaders.hpp:11:32:
fatal error: libavcodec/avcodec.h: No
Hi,
Yes, I completed. I successfully loaded a model on my device with QCAR + OSG.
...
Thank you!
Cheers,
Koduri
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Hi,
When I try to compile OSG for Android with FFMPEG plug-in I am getting
following cmake warnings.
CMake Warning:
Manually-specified variables were not used by the project:
FFMPEG_LIBAVCODEC_INCLUDE_DIR
FFMPEG_LIBAVCODEC_LIBRARIES
FFMPEG_LIBAVDEVICE_INCLUDE_DIRS
Hi Jordi Torres,
Thank you very much for the quick help.
I compiled FFMPEG(version 0.8 (love) for OSG compatible ) for android. I
generated static files (like libavcodec.a etc).
I gave all these include and lib fies paths in cmake command line command. Here
it is
Code:
cmake ..
Hi Jordi Torres,
Thank you very much your kind help. I too trying to identify the problem.
...
Thank you!
Cheers,
Koduri
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Hi,
Does am i going in correct way? do i need to change any .cmake fiels.
Can you please suggest me to solve this problem?
...
Thank you!
Cheers,
Koduri
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Hi Jordi Torres,
Thank you very much for the great help.
I changed CMakeList.txt file and started compiling.
Now i am getting the following error.
Code:
In file included from
/home/ttpl/Android/OSG/ffmpeg_Plugin/OpenSceneGraph-3.0.1/src/osgPlugins/ffmpeg/FFmpegHeaders.hpp:12:0,
Hi,
I am trying to build the FFMPEG plugin for Android. I downloaded FFMPEG0.8.12
(Love) and created static libs. I downloaded the OSG3.0.1 and created build
directory. When I executed the cmake command then I am getting the following
warning
CMake Warning:
Manually-specified variables were
Hi,
I am trying to build the FFMPEG plugin for Android. I downloaded FFMPEG0.8.12
(Love) and created static libs. I downloaded the OSG3.0.1 and created build
directory. When I executed the cmake command then I am getting the following
warning
CMake Warning:
Manually-specified variables were
Hi Stephan and Chris Hanson,
Thank you for the quick reply.
Now I am able to compile and link sample application. Now I have a problem to
load OSG files. I did in the following way
Added a folder called Resources from File-NewGroup.
Added a test.osg file to Resources folder. The same
Hi,
I added libOpenThreads.a file to BuildPhases-Link Binary With Libraries.
Then I am getting the following error
Code:
Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang++
failed with exit code 1
I am getting the same error for Debug/Release builds. I created
Hi,
I added libOpenThreads.a file to BuildPhases-Link Binary With Libraries.
Then I am getting the following error
Code:
Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang++
failed with exit code 1
I am getting the same error for Debug/Release builds. I created
Hi,
I am new to Mac and XCode development. I am familiar with Visual Studio.
I generated XCodeProject as specified in OSG documentation for the Simulator.
Here is what I did
-- Created build system as specified in OSG docs into a folder BUILD.
This generated xCodeProject in the BUILD
Hi,
I am new to Mac and XCode development. I am familiar with Visual Studio.
I generated XCodeProject as specified in OSG documentation for the Simulator.
Here is what I did
-- Created build system as specified in OSG docs into a folder BUILD.
This generated xCodeProject in the BUILD
Hello Chris Hanson,
Thank you very much for giving valuable information.
At present it is not possible for me to rewrite my desktop application by using
shaders. So I will use GLES1.
Now onwards I will use shaders in all applications as the future devices may
support only GLES2.
Thank you
Hello Chris Hanson,
Thank you very much for the great help.
I have a small application build on desktop using OSG with OpenGL2 version. I
will get ready to render 3D models (with full texturing, lighting etc ) from
3DSMAX (Exported as .OSG from Max using OSGExporter). As this supports Fixed
Hi,
The error is not with the previous post code.
When I added the following code then the model is displayed.
Code:
mtForMarker[idx]=new osg::MatrixTransform();
osg::Shader * vshader = new osg::Shader(osg::Shader::VERTEX,
gVertexShader );
osg::Shader *
Hi,
I completed osgAndroid Example with GLES1 successfully. If I try to run the
same example with OpenGLES2 then the OSG model is not rendering. If I add the
following code then I am able to see the model on my device.
Code:
mtForMarker[idx]=new osg::MatrixTransform();
Hi,
I am using a 3rd party lib(QCAR) with OSG on Android. This lib clears OpenGLES
graphics context every time after rendering a frame. So the model renders only
once (first time) and disappears on the viewer. So to preserve graphics
context i did as follows
--- Created Embeded View
---
Hi Jordi Torres,
Thank you very much for the great help.
When can I expect new release?
Now I am using OSG3.0.1.
...
Thank you!
Cheers,
Koduri
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Hi,
I build OSG for Android with GLES1. I loaded models successfully on my mobile.
Now I want to play video instead of model (like the one in Windows desktop).
Is it possible to play a video using OSG on Android.
Can you please help me how to build plugins for these if possible. I searched
Hi,
I came to know that the QCAR::Renderer::getInstance().drawVideoBackground()
statement clears the OpenGLES context. I think this is the reason to reset the
OSG setting every time.
I tried to restore the OpenGLES context as follows. Store the State object at
initial time and restore it
Hi,
I got the mistake but not able to fix it. I am using a 3rd Party AR library
(QCAR).
It is setting the background with a statement
QCAR::Renderer::getInstance().drawVideoBackground();. If I comment this line
then the model remains forever on screen but there is no background.
If I remove
Hi Christian,
Thank you very much for the help.
I gone through some of the OSG posts saying that the OSG will not run on Intel
128 MB VRAM's.
But I have a project which should run even on Intel 128 MB VRAM (System brought
say 5 years back). Because I can't ask end users to upgrade their VRAM
Hi,
Hi,
I am new to Android programming. I followed the osgAndroidExampleGLES1 and
developed a small example. It is working well but have a small issue.
First of all I will give my complete code here
Code:
#includeosgModel.hpp
OsgMainApp osgM;
void OsgMainApp::readModel()
{
Hi,
I did a sample program to render a model using OSG.
I created a complex model from 3dsmax having 1lack of vertices.
I exported it as OSG using OSGExporter. I used optimization techniques to
reduce size of the final osg file (don't know whether the vertexes are
optimized or not ).
It
Hi robertosfield and hybr,
Thanks a lot for the nice help.
My develop environment is windows XP 32 bit with SP3. On 32 bit machines the
code works well.
When I run on Win - 7 Ultimate 64 bit then I am getting run time error some
times. I dont have development environment on 64 bit machine.
Hi,
Thank you very much for nice guidance.
I will go through the threads once again and I will come back.
Once again thank you very much for the guidence.
...
Thank you!
Cheers,
Koduri
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Hi,
After a long time I came to this task.
Now I am able to run this in 32 bit machines. If I run it on 64 bit machines
then some times the application crashes.
My development environment is Windos - XP 32 bit with SP3.
I think we can run 32 bit applications on 64 bit machines with out any
Hi,
After a long time I came back to this task.
Now I am able to run this in 32 bit machines. If I run it on 64 bit (win-7 and
winXP)machines then some times the application crashes.
My development environment is Windos - XP 32 bit with SP3.
I think we can run 32 bit applications on 64 bit
Hi,
I am new to OSG Android. I build and tested osgAndroidExampleGLES1.
I am able to load osg models of any size in this example.
I made a similar example for testing. In this example i am able to load the
models of size around 650MB. I am not able to load 700 MB models. It just
flashing
Hi,
Sorry for the wrong size.
I am able to load the model of size 650KB. If the model is 700KB then the
model loading only once. That is why I am getting a flash on the screen.
Is there any setting where I need to specify size limit.
I am using OPENGLES1.
...
Thank you!
Cheers,
Koduri
Hi Rafa,
Thank you for the nice help.
I did as you said. But still textures are not displayed.
These are the things what I did
1) I added -losgdb_jpeg under LOCAL_LDFLAGS in Android.mk file
2) I added ljpeg under LOCAL_LDLIBS in Android.mk file
3) I added USE_OSGPLUGIN(jpeg) to OsgMainApp.hpp
Hi,
I build OSG3.0.1 on android with OpenGLES1.
I red that Environmental mapping is not working on Android.
So I created a simple box.osg with simple texture mapping. When I load this the
box it rendered as white only. There is texture.
When I saw OBJ folder in Install directory I have
Hi Jordi Torres,
Thanks a lot for the nice help.
To day I did some experiments.
The AR library is giving pose matrix. Now I decomposed it into tans, rotation
and scale vectors. And checked with each one by matrix multiplication. I found
that the translation vector is irrelevant. I got
Hi,
I have an OSG file contains a sequence of objects. I read this OSG file and
assigned to a transformation matrix.
Now I want to get back the sequence to the OSG::Sequence object from the
transformation matrix to control animation.
How can I get sequence and control the animaton?
Can you
Hi,
Thank you verymuch for the quick help.
I forgot to mention in the previous post that I made video as background by
making GL_DEPTH_BUFFER_BIT. That is I used
_viewer-getCamera()-setClearMask(GL_DEPTH_BUFFER_BIT ).
I have a look at the code of osgAnroidExample. But I am not able to find
Hi Jordi Torres,
Thank you very much for the help.
As you suggested I rendered the model with out transform. Model rendered on
screen.
I am using a 3rd party lib for AR tracking. This lib is configured video
background. This config is for video background.
Here is the config code
Code:
Hello Jordi Torres,
Thank you very much for the help.
I added OSG macros and got loaded models.
But when I say viewer-frame i am getting only blew screen. I am not able to
see model.
Here is my code
Code:
if(mload)
{
LOG(Init);
int x=0;
int y=0;
int
Hi,
I build OSGAndroid example on Ubuntu device. I loaded and displayed OSG model
successfully on my mobile device.
Now I used the OSG lib in my project which are using some other libs.
I made changes to Android.mk and Application.mk and compiled successfully.
But to load model I gave static
Hi,
I have two OSG models. The first is constant about rotation and translation
about Z. This model is just translating about X and Y axis.
The second model is variable about translation and rotation.
Now I want to call a function when first model come across second model. That
is when first
Hi,
I got it. I checked Advanced tab in CMake.
...
Thank you!
Cheers,
Koduri
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Hi,
I need to load multiple OSG models of huge size (each model 60MB). So I wrote
a multi threaded program to read each model in a seperate thread. But I am
getting runtime error. Here I am giving code to read 2 models.
Code:
CRITICAL_SECTION cs;
struct ModelObj
{
Model *obj;
Hi Sergey,
Thank you very much for the help .
ImageDB[imgIdx]= new osg::Image(*sCapImage, osg::CopyOp::DEEP_COPY_ALL);
This statement worked for me.
...
Thank you!
Cheers,
Koduri
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Hi,
I want to rotate a model around an axis about 360 degrees. While rotating I
want to change the color of the model dynamically. Some parts of the model has
static colors and some parts has applied with textures.
For example a tea pot. The lid has a solid color say RED and other parts are
Hi,
I am doing a program to capture the screen of renderer model. I did it by
setting graphic context. Now I am getting image.
Now I am setting all these images to an array and then finally saving to the
disk. But I am getting only the last image. Here is the code
Code:
Hi,
Can any one please help me what could be the mistake.
...
Thank you!
Cheers,
Koduri
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Hi,
This is my mistake. I am deactivating the render window and activating another
window. I am getting messages when I selected the render window.
...
Thank you!
Cheers,
Koduri
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Hi,
I want to get events from the keyboard. To do this I created a class by
deriving osgGA::GUIEventHandler and implemented hanlder method.
But my program is not catching the events. Here is my code
Code:
class KeyboardEventHandler : public osgGA::GUIEventHandler
{
bool
Hi,
First Thank you very much for OSG Android.
I am new to Android-ndk. I have a library (QCAR ) for AR. I am trying to use
OSG as a render engine for QCAR. So I want to include OSG in QCAR program. I
include some of OSG includes in my C++ program. When I compile I am getting
error. My
Hi,
I build AndroidOSG-3.0.1 on my ubuntu-11 with GLES-1. When I run the
application I got it on my android phone. When I tried to load model (with the
path /mnt/stdcard/OSG/cow.osg) I am getting error as Model Not loaded in the
log.
Can you please help me why am I getting this error.
...
Hi,
It's the problem with me. My phone shows all OSG files in sdcard. But when I
browsed in file explorer of Eclips it's not showing any OSG files. My be
problem with my device and trying to solve the problem.
...
Thank you!
Cheers,
Koduri
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Hi,
I am doing some exporments on Augmented Reality . In my programe i need to
display 3D OSG model and videos for a selected markers.
My marker traking lib is giving a 4X4 matrix. By setting this matrix to a
transformation matrix I am able to display OSG model on the marker.
But for the
Hi,
Can any one help me how to slove this problem.
In my AR program if I set viewersetCameraManipulator(new
osgGA::TrackballManipulator()) then I am gettting the video output correctly.
This time OSG model is not displayed on the marker(screen).
Here are my AR viewer Settings
Code:
viewer =
Hi,
I did a example to load video. But here it is playing correctly in the center
of the screen. Here I used camera manipulator as TrackballManipulator().
But in project (as given above) i am not using TrackballManipulator(). If I
used TrackballManipulator() then the 3D models are out of
Hi,
It may be a simple one, but I am struggling since two days.
I am using a osg::Switch to load multiple models. It loads OSG models for some
options time and videos for some options.
When I loaded models the model displayed in the middle of the screen. If I
display the video it is not in
Hi,
Any one has the solution for this. I too has the same problem.
I need to jump to some position in the animation. (My osg has animation).
Can any one please help me what to do to jump to a specified position by
providing the time/frame number.
...
Thank you!
Cheers,
Koduri
Hi Seylox,
Thank you very much for nice tutorial. I am new to OSG and Android
development. I followed you tutorial and did successfully. But I got some
problems while building. Here I listed my problems with solutions. It may
useful for some one.
Error - 1) While bulding I got the error
Hi,
Use setVertexArray method of Quad. Set four sides of Quad with Vect3Array.
vertices-push_back( osg::Vec3(-0.250f, 0.0f,-0.250f) );
vertices-push_back( osg::Vec3( 0.250f, 0.0f,-0.250f) );
vertices-push_back( osg::Vec3( 0.250f, 0.0f, 0.250f) );
vertices-push_back( osg::Vec3(-0.250f, 0.0f,
Hi,
As of my knowledge you can try GLUT library. It is opensource lib.
...
Thank you!
Cheers,
wiz
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