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Sur d’autres sites (8262)

  • OpenIMAJ not able to access video file

    20 septembre 2014, par Sudh

    I am using OpenIMAJ to draw facial keypoints on a video but it is stuck at the first step itself.
    Here is the code I am trying to run: :

    Video<mbfimage> video;
    
    video = new XuggleVideo("file://E:/AV/out2.flv");//XuggleVideo("file:"+fileName);
    
    VideoDisplay<mbfimage> display = VideoDisplay.createVideoDisplay(video);
    
    display.addVideoListener(
    
             new VideoDisplayListener<mbfimage>() {
    
                    public void beforeUpdate( MBFImage frame ) {
    

    
                        FaceDetector fd = new HaarCascadeDetector(40);
    
                        List<detectedface> faces = fd.detectFaces( Transforms.calculateIntensity(frame));
    

    
                        for( DetectedFace face : faces ) {
    
                            frame.drawShape(face.getBounds(), RGBColour.RED);
    
                        }
    
                    }
    

    
                    public void afterUpdate( VideoDisplay<mbfimage> display ) {
    
                    }
    
      });
    
</mbfimage></detectedface></mbfimage></mbfimage></mbfimage>

    When I run this It prints

    file :///E :/AV/out2.flv URL file :///E :/AV/out2.flv could not be opened
    by ffmpeg. Trying to open a stream to the URL instead. 11:14:12.505
    [Finalizer] DEBUG com.xuggle.xuggler - Closing dangling Container
    (../../../../../../../csrc/com/xuggle/xuggler/Container.cpp:146)

    on the screen and then just dies out. result is same if I use video = new XuggleVideo(new File("E :/AV/out2.flv")) ;

    Also if I keep file in the project and then do video = new XuggleVideo(new File("out2.flv")) ; I get same result.

    I am able to access the file if I put the link in the browser. What is going wrong ?

    Update : I get just this

    out2.flv 12:03:06.485 [Finalizer] DEBUG com.xuggle.xuggler - Closing
    dangling Container
    (../../../../../../../csrc/com/xuggle/xuggler/Container.cpp:146)

    If I use video = new XuggleVideo("out2.flv");

  • fftools/ffmpeg : reduce access to OutputStream.enc_ctx

    20 avril 2023, par Anton Khirnov
    fftools/ffmpeg : reduce access to OutputStream.enc_ctx

    It will be made private to Encoder in the future.
    • [DH] fftools/ffmpeg.c
    • [DH] fftools/ffmpeg_mux.c

  • vulkan : synchronize access to execution pool fences

    6 juin 2023, par Lynne
    vulkan : synchronize access to execution pool fences

    vkResetFences is specified as being user-synchronized
    
(yet vkWaitFences, is not).
    • [DH] libavutil/vulkan.c
    • [DH] libavutil/vulkan.h

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