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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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Sur d’autres sites (10988)
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PyDub can't locate FFmpeg, even after comfirming that FFmpeg is properly installed
14 avril 2023, par TordGAfter trying many solutions, checking that FFmpeg is installed correctly through cmd and other modules, PyDub still cannot find it. I am running Windows 11, Python 3.10.6, PyDub 0.25.1 and FFmpeg version 2023-04-12-git-1179bb703e-full_build-www.gyan.dev


I've tried to run the following code that should speed up an mp3 file within the directory by 100%


import os
from pydub import AudioSegment

file = r'test.mp3'

# Load the MP3 file
audio = AudioSegment.from_file(file, format="mp3")

# Increase the speed
audio = audio.speedup(playback_speed=2, chunk_size=150)

# Export the modified file to the same file name
audio.export(file, format="mp3")

# Delete the original file
os.remove(file)


From this I get the following error :


C:\Users\xxx\AppData\Local\Programs\Python\Python310\lib\site-packages\pydub\utils.py:170: RuntimeWarning: Couldn't find ffmpeg or avconv - defaulting to ffmpeg, but may not work
 warn("Couldn't find ffmpeg or avconv - defaulting to ffmpeg, but may not work", RuntimeWarning)
C:\Users\xxx\AppData\Local\Programs\Python\Python310\lib\site-packages\pydub\utils.py:198: RuntimeWarning: Couldn't find ffprobe or avprobe - defaulting to ffprobe, but may not work
 warn("Couldn't find ffprobe or avprobe - defaulting to ffprobe, but may not work", RuntimeWarning)
Traceback (most recent call last):
 File "c:\Users\xxx\xxx\xxx\xxx\xxx\speed_up.py", line 7, in <module>
 audio = AudioSegment.from_file(file, format="mp3")
 File "C:\Users\xxx\AppData\Local\Programs\Python\Python310\lib\site-packages\pydub\audio_segment.py", line 728, in from_file
 info = mediainfo_json(orig_file, read_ahead_limit=read_ahead_limit)
 File "C:\Users\xxx\AppData\Local\Programs\Python\Python310\lib\site-packages\pydub\utils.py", line 274, in mediainfo_json
 res = Popen(command, stdin=stdin_parameter, stdout=PIPE, stderr=PIPE)
 File "C:\Users\xxx\AppData\Local\Programs\Python\Python310\lib\subprocess.py", line 969, in __init__
 self._execute_child(args, executable, preexec_fn, close_fds,
 File "C:\Users\xxx\AppData\Local\Programs\Python\Python310\lib\subprocess.py", line 1438, in _execute_child
 hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] The system cannot find the file specified
</module>

I've added FFmpeg to my path variable and checked that it worked by typing 'ffmpeg' in my command prompt. I also made sure that it was installed and pathed correctly by testing it with other modules that should use ffmpeg as well


The following code worked flawlessly (where moviepy uses ffmpeg as far as I know) :


from moviepy.editor import ColorClip

# Create a black clip with a duration of 5 seconds
empty_clip = ColorClip(size=(640, 480), color=(0, 0, 0), duration=5)

# Write the empty clip to a video file
empty_clip.write_videofile("empty.mp4", codec="libx264", fps=25)



I've specified the abs path in my code as :


AudioSegment.ffmpeg_path = r"C:\ffmpeg\bin\ffmpeg.exe"

Again this didn't work and I cannot find any more solutions anywhere


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FFMPEG S3 AWS Laravel Unable to check existence
18 avril 2023, par Moomen Aldahdouhthe error in logs laravel file
[2023-04-18 14:11:22] production.ERROR : Unable to check existence for : videos/643ea50862566/643ea50862566_0_300_%05d.ts "exception" :"[object] (League\Flysystem\UnableToCheckFileExistence(code : 0) : Unable to check existence for : videos/643ea50862566/643ea50862566_0_300_%05d.ts at C :\inetpub\mysite\vendor\league\flysystem\src\UnableToCheckExistence.php:19)
[stacktrace]


I'm trying to upload a video on S3 service using Laravel FFMPEG and convert the video to multi-resolution after adding Frames, the error appears on the server, but on localhost not appear, and working very well locally.


`FFMpeg::fromDisk('s3')//uploads
 ->open($this->data["storage_path_full"])
 ->exportForHLS()
 ->addFormat($lowBitrate, function ($media) {
 $media->addFilter('scale=256:144'); 
 })
 ->addFormat($superLowBitrate, function ($media) {
 $media->addFilter('scale=426:240'); 
 })
 ->addFormat($midBitrate, function ($media) {
 $media->addFilter('scale=480:360'); 
 })
 ->addFormat($superMidBitrate, function ($media) {
 $media->addFilter('scale=640:480'); 
 })
 ->addFormat($highBitrate, function ($media) {
 $media->addFilter('scale=1280:720'); 
 })
 ->addFormat($superHighBitrate, function ($media) {
 $media->addFilter('scale=1920:1080'); 
 })
 ->toDisk('s3')
 ->save($this->data["storage_path_video"]);`


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App crashes on Google TV when playing MP4 videos
14 avril 2023, par fabI am having problems with an Android app that was developed for me. The issue occurs when playing MP4 videos ; the app plays them correctly, but at some point, the app crashes and exits. I have been reviewing errors using Android Studio, and the only error that appears is the following :


2023-04-14 00:45:45.846 7221-7650 SurfaceUtils com.app.X D connecting to surface 0xbf0d2808, reason connectToSurface(reconnect) 2023-04-14 00:45:45.848 7221-7654 ACodec com.app.X E [OMX.amlogic.avc.decoder.awesome2] setPortMode on output to DynamicANWBuffer failed w/ err -2147483648 2023-04-14 00:45:45.855 7221-7334 com.app.X com.app.X I get_buffer_dataspace_setting get_metadata return 0 dataspace:268500992 2023-04-14 00:45:45.875 7221-7334 NdkImageReader com.app.X D acquireImageLocked: Overriding buffer format YUV_420_888 to 0x11. 2023-04-14 00:45:45.877 7221-7334 com.app.X com.app.X I get_buffer_dataspace_setting get_metadata return 0 dataspace:268500992 2023-04-14 00:45:45.887 7221-7280 MediaCodec com.app.X D keep callback message for reclaim 2023-04-14 00:45:45.896 7221-7334 com.app.X com.app.X I get_buffer_dataspace_setting get_metadata return 0 dataspace:268500992 2023-04-14 00:45:45.914 7221-7334 com.app.X com.app.X I get_buffer_dataspace_setting get_metadata return 0 dataspace:268500992 2023-04-14 00:45:45.915 7221-7654 SurfaceUtils com.app.X D disconnecting from surface 0xbf0d2808, reason setNativeWindowSizeFormatAndUsage 2023-04-14 00:45:45.915 7221-7654 SurfaceUtils com.app.X D connecting to surface 0xbf0d2808, reason setNativeWindowSizeFormatAndUsage 2023-04-14 00:45:45.915 7221-7654 SurfaceUtils com.app.X D set up nativeWindow 0xbf0d2808 for 1920x1080, color 0x11, rotation 0, usage 0x402b00 2023-04-14 00:45:45.915 7221-7654 ACodec com.app.X W [OMX.amlogic.avc.decoder.awesome2] setting nBufferCountActual to 9 failed: -1010 2023-04-14 00:45:45.922 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument 2023-04-14 00:45:45.928 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument 2023-04-14 00:45:45.943 7221-7334 com.app.X com.app.X I get_buffer_dataspace_setting get_metadata return 0 dataspace:268500992 2023-04-14 00:45:45.954 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument 2023-04-14 00:45:45.960 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument 2023-04-14 00:45:45.962 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument 2023-04-14 00:45:45.969 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument 2023-04-14 00:45:45.979 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument 2023-04-14 00:45:45.986 7221-7654 ion com.app.X E ioctl c0084905 failed with code -1: Invalid argument

One clarification is that the app is built with IONIC and Angular.


The FFMPEG code that converts the video in golang is as follows :


func ConvertVideoFile(inputFileName, outputFileName string) error { err := ffmpeg_go.Input(inputFileName). Filter("scale", ffmpeg_go.Args{"800:600"}). Output(outputFileName, ffmpeg_go.KwArgs{ "c:v": "libx264", "profile:v": "high", "level": "3.1", "pix_fmt": "yuv420p", "preset": "medium", "crf": "23", "b:v": "782k", "r": "25", "c:a": "aac", "b:a": "2k", "ar": "48000", "movflags": "+faststart", "max_muxing_queue_size": "1024", }, ). OverWriteOutput().ErrorToStdOut().Run() return err }

Remove this error 2023-04-14 00:45:45.848 7221-7654 ACodec com.app.X E [OMX.amlogic.avc.decoder.awesome2


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