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Richard Stallman et le logiciel libre
19 octobre 2011, par
Mis à jour : Mai 2013
Langue : français
Type : Texte
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Stereo master soundtrack
17 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Audio
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Elephants Dream - Cover of the soundtrack
17 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Image
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#7 Ambience
16 octobre 2011, par
Mis à jour : Juin 2015
Langue : English
Type : Audio
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#6 Teaser Music
16 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Audio
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#5 End Title
16 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Audio
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Sur d’autres sites (11855)
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Converting images to video in Android using FFmpeg
28 février 2024, par sneha Lathaval cm = "-f image2 -i \"$imagesFolder/JPEG_08%d_06%d_.jpg\" -vcodec mpeg4 -b 800k output.mp4"


this command is not able to .convert the images into video my images are in the format below :


JPEG_20240228_115618_ 
JPEG_20240228_115622_


Im using the below code :


fun convertImagesToVideo(imageList: List<file>, outputVideoPath: String, frameRate: Int) {
 val inputFiles = imageList.joinToString(" ") { it.absolutePath }
 val imagesFolder = File(getExternalFilesDir(Environment.DIRECTORY_PICTURES), "camerax")

 val cm = "-f image2 -i \"$imagesFolder/JPEG_08%d_06%d_.jpg\" -vcodec mpeg4 -b 800k output.mp4"


 val cmd = arrayOf(
 "-framerate", frameRate.toString(),
 inputFiles,
 "-c:v", "mpeg4",
 "-pix_fmt", "yuv420p",
 outputVideoPath
 ).joinToString(" ")

 executeFfmpegCommand(cm, outputVideoPath)
 }

 fun executeFfmpegCommand(exe: String, filePath: String) {

 //creating the progress dialog
 val progressDialog = ProgressDialog(this@FolderListActivity)
 progressDialog.setCancelable(false)
 progressDialog.setCanceledOnTouchOutside(false)
 progressDialog.show()

 /*
 Here, we have used he Async task to execute our query because if we use the regular method the progress dialog
 won't be visible. This happens because the regular method and progress dialog uses the same thread to execute
 and as a result only one is a allowed to work at a time.
 By using we Async task we create a different thread which resolves the issue.
 */
 FFmpegKit.executeAsync(exe, { session ->
 val returnCode = session.returnCode
 lifecycleScope.launch(Dispatchers.Main) {
 if (returnCode.isValueSuccess) {
 binding.videoView.setVideoPath(filePath)
 //change the video_url to filePath, so that we could do more manipulations in the
 //resultant video. By this we can apply as many effects as we want in a single video.
 //Actually there are multiple videos being formed in storage but while using app it
 //feels like we are doing manipulations in only one video
 input_video_uri = filePath
 //play the result video in VideoView
 binding.videoView.start()
 progressDialog.dismiss()
 Toast.makeText(this@FolderListActivity, "Filter Applied", Toast.LENGTH_SHORT).show()
 } else {
 progressDialog.dismiss()
 Log.d("TAG", session.allLogsAsString)
 Toast.makeText(this@FolderListActivity, "Something Went Wrong!", Toast.LENGTH_SHORT)
 .show()
 }
 }
 }, { log ->
 lifecycleScope.launch(Dispatchers.Main) {
 progressDialog.setMessage("Applying Filter..${log.message}")
 }
 }) { statistics -> Log.d("STATS", statistics.toString()) }
 }
</file>

-
avformat/movenc : Check pal_size before use
29 mai 2021, par Michael Niedermayer -
ffmpeg webcam stream on windows to sdl
17 janvier 2021, par user3705497Hi I am trying to display webcam stream on windows.


I can use "ffplay" but I want to use "ffmpeg" command.


c:\>ffmpeg -f dshow -i video="USB2.0 VGA UVC WebCam" -f sdl test
ffmpeg version 2020-12-27-git-bff6fbead8-full_build-www.gyan.dev Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.2.0 (Rev5, Built by MSYS2 project)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
 libavutil 56. 62.100 / 56. 62.100
 libavcodec 58.115.102 / 58.115.102
 libavformat 58. 65.100 / 58. 65.100
 libavdevice 58. 11.103 / 58. 11.103
 libavfilter 7. 94.100 / 7. 94.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, dshow, from 'video=USB2.0 VGA UVC WebCam':
 Duration: N/A, start: 92136.240000, bitrate: N/A
 Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 30 fps, 30 tbr, 10000k tbn, 10000k tbc
Stream mapping:
 Stream #0:0 -> #0:0 (rawvideo (native) -> rawvideo (native))
Press [q] to stop, [?] for help
Output #0, sdl,sdl2, to 'test':
 Metadata:
 encoder : Lavf58.65.100
 Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422(progressive), 640x480, q=2-31, 147456 kb/s, 30 fps, 30 tbn
 Metadata:
 encoder : Lavc58.115.102 rawvideo
av_interleaved_write_frame(): Operation not permitted
frame= 1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.03 bitrate=N/A speed=0.448x
video:600kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Conversion failed!


The following works though :


ffmpeg -i file.webm -f sdl test


Any ideas why the failure ?


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