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Sur d’autres sites (3405)

  • Avisynth total frames does not equal VirtualDub total frames

    7 mai 2017, par Corpuscular

    It appears that Dissolve and/or Fade change the total number of frames in .avs scripts. When I add up the total number of frames in the avs script and then load the avs script in Vdub the total number of frames is different. My real world example below shows a difference of 822 frames vs 1368 frames for the same script. I have run some basic tests which appear to support this hypothesis. Of course I may be doing something stupid. Any guidance would be greatly appreciated. Please let me know if I can clarify anything. Ffmpeg also borks on the same script which leads me to think this is an Avisynth issue. Or my lack of avs coding skills.

    System specs :
    Win7,
    FFmpeg version : 20170223-dcd3418 win32 shared,
    AVISynth version : 2.6

    Test1.avs = 200 frames long = Expected behaviour

    LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
    
v1=ImageReader("1.png", fps=24, start=1, end=100)
    
v2=ImageReader("2.png", fps=24, start=1, end=100)
    
video = v1 + v2
    
return video

    Test2.avs with return Dissolve = 195 frames long = Unexpected behaviour

    LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
    
v1=ImageReader("1.png", fps=24, start=1, end=100)
    
v2=ImageReader("2.png", fps=24, start=1, end=100)
    
return Dissolve(v1, v2, 5)

    Test3.avs with fadeOut(fadeIn = 202 frames long = Unexpected behaviour

    LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
    
v1=ImageReader("1.png", fps=24, start=1, end=100)
    
v2=ImageReader("2.png", fps=24, start=1, end=100)
    
fadeOut(fadeIn(v1 + v2, 60), 60)

    Test4.avs with dissolve and fade = 197 frames long = Unexpected behaviour

    LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
    
v1=ImageReader("1.png", fps=24, start=1, end=100)
    
v2=ImageReader("2.png", fps=24, start=1, end=100)
    
v3 = Dissolve(v1, v2, 5)
    
fadeOut(fadeIn(v3, 60), 60)

    Test5.avs explicity specifying frame rates on dissolve and fade = 197 frames = Unexpected behaviour

    LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
    
v1=ImageReader("1.png", fps=24, start=1, end=100)
    
v2=ImageReader("2.png", fps=24, start=1, end=100)
    
v3 = Dissolve(v1, v2, 5, 24)
    
fadeOut(fadeIn(v3, 60, $000000, 24), 60, $000000, 24)

    realExample = 822 frames long = Expected behaviour (this is what I want)

    LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
    
v1=ImageReader("1.png", fps=24).trim(1,106)
    
v3=ImageReader("3.png", fps=24).trim(1,471)
    
v9=ImageReader("9.png", fps=24).trim(1,58)
    
v10=ImageReader("10.png", fps=24).trim(1,35)
    
v11=ImageReader("11.png", fps=24).trim(1,152)
    
video = v1 + v3 + v9 + v10 + v11
    
return video

    realExample = 1368 frames long

    LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
    
v1=ImageReader("1.png", fps=24).trim(1,106)
    
v3=ImageReader("3.png", fps=24).trim(1,471)
    
v9=ImageReader("9.png", fps=24).trim(1,58)
    
v10=ImageReader("10.png", fps=24).trim(1,35)
    
v11=ImageReader("11.png", fps=24).trim(1,152)
    
d1 = Dissolve(v1, v3, 5)
    
d3 = Dissolve(v3, v9, 5)
    
d9 = Dissolve(v9, v10, 5)
    
d10 = Dissolve(v10, v11, 5)
    
fadeOut(fadeIn(d1 + d3 + d9 + d10,60),60)

  • How to add transitions using FFmpeg and HTML5 ?

    7 octobre 2020, par parthshukla

    a very quick question. I want to create a basic application that allows the user to input two files in a HTML based web-app, and select a transition from dropdown ; which is then downloaded to the local machine. Is there a way to achieve this functionality ?

    


  • java.io.IOException : Cannot run program "/data/user/0/packagename/files/ffmpeg" : FFMPEG error=13, Permission denied in android Q API level 29

    11 septembre 2020, par Android198

    I am using FFMPEG since long and using internal file location for inputs its working fine if i build apk with API level 28 but in API level 29 its give error=13 permission denied. I opted out scoped storage by android:requestLegacyExternalStorage="true" in manifest though this error is coming.

    


    `java.io.IOException: Cannot run program "/data/user/0/packagename/files/ffmpeg": error=13, Permission denied&#xA;        at java.lang.ProcessBuilder.start(ProcessBuilder.java:1050)&#xA;        at java.lang.Runtime.exec(Runtime.java:698)&#xA;        at java.lang.Runtime.exec(Runtime.java:563)&#xA;        at e.h.a.a.n.a(:10)&#xA;        at e.h.a.a.f.b(:38)&#xA;        at e.h.a.a.f.doInBackground(:10)&#xA;        at android.os.AsyncTask$3.call(AsyncTask.java:378)&#xA;        at java.util.concurrent.FutureTask.run(FutureTask.java:266)&#xA;        at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:289)&#xA;        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)&#xA;        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)&#xA;        at java.lang.Thread.run(Thread.java:919)&#xA;     Caused by: java.io.IOException: error=13, Permission denied&#xA;        at java.lang.UNIXProcess.forkAndExec(Native Method)&#xA;        at java.lang.UNIXProcess.<init>(UNIXProcess.java:133)&#xA;        at java.lang.ProcessImpl.start(ProcessImpl.java:141)&#xA;        at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)&#xA;        at java.lang.Runtime.exec(Runtime.java:698)&#xA0;&#xA;        at java.lang.Runtime.exec(Runtime.java:563)&#xA0;&#xA;        at e.h.a.a.n.a(:10)&#xA0;&#xA;        at e.h.a.a.f.b(:38)&#xA0;&#xA;        at e.h.a.a.f.doInBackground(:10)&#xA0;&#xA;        at android.os.AsyncTask$3.call(AsyncTask.java:378)&#xA0;&#xA;        at java.util.concurrent.FutureTask.run(FutureTask.java:266)&#xA0;&#xA;        at android.os.AsyncTas k$SerialExecutor$1.run(AsyncTask.java:289)&#xA0;&#xA;        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)&#xA0;&#xA;        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)&#xA0;&#xA;        at java.lang.Thread.run(Thread.java:919)&#xA0;&#xA;2020-09-09 14:37:27.079 22619-22619/E/MediaMetadataRetriever: setDataSource - FileNotFoundException`&#xA;</init>

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    my command is

    &#xA;

    command : [-i, /data/user/0/videomaker.videostatusmaker.photo.to.video.maker.lyrical.lyrically/files/Lyrically_data/93_garmi/img_0.jpg, -i, /data/user/0/videomaker.videostatusmaker.photo.to.video.maker.lyrical.lyrically/cache/PictureCrop1599802574.jpg, -i, /data/user/0/videomaker.videostatusmaker.photo.to.video.maker.lyrical.lyrically/files/Lyrically_data/93_garmi/img_2.jpg, -i, /data/user/0/videomaker.videostatusmaker.photo.to.video.maker.lyrical.lyrically/files/Lyrically_data/93_garmi/background_video.mp4, -filter_complex, [3]split=2[color][alpha] ;[color]crop=iw/2:ih:0:0[color] ;[alpha]crop=iw/2:ih:iw/2:0[alpha] ;[color][alpha]alphamerge[ovrly] ;[0]scale=540:960,setsar=1[0_scalled] ;[1]scale=540:960,setsar=1[1_scalled] ;[2]scale=540:960,setsar=1[2_scalled] ;[0_scalled]zoompan=z='if(lte(zoom,-1.0),1.2,min(zoom+0.0006,1.2))':d=2510.41:s=540x960[v0] ;[1_scalled]zoompan=z='if(lte(zoom,1.0),1.2,max(1.001,zoom-0.0008))':d=2510.65:s=540x960[v1] ;[2_scalled]zoompan=z='if(lte(zoom,-1.0),1.2,min(zoom+0.0008,1.2))':d=25*9.94:s=540x960[v2] ;[v0][v1][v2]concat=n=3:v=1:a=0,format=yuv420p[concatenated_video] ;[concatenated_video][ovrly]overlay=0:0, -t, 31, -strict, -2, -c:a, copy, -flags, +global_header, /data/user/0/videomaker.videostatusmaker.photo.to.video.maker.lyrical.lyrically/files/Lyrically/Lyrically_1599802581317.mp4]

    &#xA;

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