Recherche avancée
Autres articles (27)
-
La file d’attente de SPIPmotion
28 novembre 2010, parUne file d’attente stockée dans la base de donnée
Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...) -
Support de tous types de médias
10 avril 2011Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)
-
Supporting all media types
13 avril 2011, parUnlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)
Sur d’autres sites (5399)
-
Unable to extract subclip from a video made by cv2.VideoWriter
9 août 2021, par Nandan DubeyI am extracting a sub clip from a video and processing it into filename1.mp4. And again, when I am trying to extract a sub clip it gives me an error. Below is the code


ffmpeg_extract_subclip('Office.mp4', 20, 40, targetname="trim.mp4")

result = cv2.VideoWriter('filename1.mp4',
 cv2.VideoWriter_fourcc(*'mp4v'),
 30, (int(width), int(height)))


ffmpeg_extract_subclip("filename1.mp4", start_time, start_time + 1, targetname=target)


And here is the error :


Traceback (most recent call last):
 File "C:/Users/nanda/OneDrive/Desktop/Teasit/Object tracking/object.py", line 459, in <module>
 extract_clip(tracker_time)
 File "C:\Users\nanda\OneDrive\Desktop\Teasit\Object tracking\cuda.py", line 12, in extract_clip
 ffmpeg_extract_subclip(r"filename1.mp4", start_time, start_time + 1, targetname=target)
 File "C:\Users\nanda\OneDrive\Desktop\Teasit\Object tracking\venv\lib\site-packages\moviepy\video\io\ffmpeg_tools.py", line 41, in ffmpeg_extract_subclip
 subprocess_call(cmd)
 File "C:\Users\nanda\OneDrive\Desktop\Teasit\Object tracking\venv\lib\site-packages\moviepy\tools.py", line 54, in subprocess_call
 raise IOError(err.decode('utf8'))
OSError: ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 9.2.1 (GCC) 20200122
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000023543009dc0] moov atom not found
filename1.mp4: Invalid data found when processing input
</module>

-
hls.js starting a beginning with ANDROID mobile (chrome, webview also) and not live *** but works very nice in deskto, ios .. hls.js 1.0.0 2021-04-01
27 avril 2021, par JintorI'm streaming a .m3u8 with the latest hls.js 1.0.0 (not rc) but version of 2021-04-01...


example : the stream began at 5pm, and now it's 5:15 pm...


the stream start at live point in almost all browsers


The pattern I see here : ALL browsers in android (tested in Android 10) won't start at live point, only at 0...


I did all the tests


• Safari desktop => stream live at 5:15


• Safari mobile => stream live at 5:15


• WebView (Android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• WKWebView (apple IOS iphone,ipad) => stream live at 5:15


• Chrome Desktop (mac/win) => stream live at 5:15


• Chrome MOBILE (Android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• Chrome MOBILE (iPhone) => stream live at 5:15


• Microsoft EDGE Desktop => stream live at 5:15


• Microsoft EDGE mobile (android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• Firefox Desktop (mac/win) => stream live at 5:15


• Opera Desktop (mac/win) => stream live at 5:15


• Opera Mini (iPhone) => stream live at 5:15


• Opera Mini (android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• Brave Desktop (mac/win) => stream live at 5:15


• Brave Mobile (iPhone) => stream live at 5:15


• Brave Mobile (android) => ••• ISSUE : the player starts the stream at 0 (5pm)


This code


<code class="echappe-js"><script src="https://cdn.jsdelivr.net/npm/hls.js@latest"></script>


<script>&#xA; var video = document.getElementById("video");&#xA; var videoSrc = "https://www.example1.com/streaming/index.m3u8";&#xA; if (video.canPlayType("application/vnd.apple.mpegurl")) {&#xA; video.src = videoSrc;&#xA; } else if (Hls.isSupported()) {&#xA; var config = {&#xA; autoStartLoad: true,&#xA; startPosition: -1,&#xA; debug: false,&#xA; capLevelOnFPSDrop: false,&#xA; capLevelToPlayerSize: false,&#xA; defaultAudioCodec: undefined,&#xA; initialLiveManifestSize: 1,&#xA; maxBufferLength: 30,&#xA; maxMaxBufferLength: 500,&#xA; backBufferLength: Infinity,&#xA; maxBufferSize: 60 * 1000 * 1000,&#xA; maxBufferHole: 0.5,&#xA; highBufferWatchdogPeriod: 2,&#xA; nudgeOffset: 0.1,&#xA; nudgeMaxRetry: 3,&#xA; maxFragLookUpTolerance: 0.25,&#xA; liveSyncDurationCount: 3,&#xA; liveMaxLatencyDurationCount: Infinity,&#xA; liveDurationInfinity: false,&#xA; enableWorker: true,&#xA; enableSoftwareAES: true,&#xA; manifestLoadingTimeOut: 10000,&#xA; manifestLoadingMaxRetry: 1,&#xA; manifestLoadingRetryDelay: 1000,&#xA; manifestLoadingMaxRetryTimeout: 64000,&#xA; startLevel: undefined,&#xA; levelLoadingTimeOut: 10000,&#xA; levelLoadingMaxRetry: 4,&#xA; levelLoadingRetryDelay: 1000,&#xA; levelLoadingMaxRetryTimeout: 64000,&#xA; fragLoadingTimeOut: 20000,&#xA; fragLoadingMaxRetry: 6,&#xA; fragLoadingRetryDelay: 1000,&#xA; fragLoadingMaxRetryTimeout: 64000,&#xA; startFragPrefetch: false,&#xA; testBandwidth: true,&#xA; progressive: false,&#xA; lowLatencyMode: true,&#xA; fpsDroppedMonitoringPeriod: 5000,&#xA; fpsDroppedMonitoringThreshold: 0.2,&#xA; appendErrorMaxRetry: 3,&#xA; enableWebVTT: true,&#xA; enableIMSC1: true,&#xA; enableCEA708Captions: true,&#xA; stretchShortVideoTrack: false,&#xA; maxAudioFramesDrift: 1,&#xA; forceKeyFrameOnDiscontinuity: true,&#xA; abrEwmaFastLive: 3.0,&#xA; abrEwmaSlowLive: 9.0,&#xA; abrEwmaFastVoD: 3.0,&#xA; abrEwmaSlowVoD: 9.0,&#xA; abrEwmaDefaultEstimate: 500000,&#xA; abrBandWidthFactor: 0.95,&#xA; abrBandWidthUpFactor: 0.7,&#xA; abrMaxWithRealBitrate: false,&#xA; maxStarvationDelay: 4,&#xA; maxLoadingDelay: 4,&#xA; minAutoBitrate: 0,&#xA; emeEnabled: false&#xA; };&#xA; var hls = new Hls(config);&#xA; hls.loadSource(videoSrc);&#xA; hls.attachMedia(video);&#xA; } &#xA; video.addEventListener("loadedmetadata", function(){ video.muted = true; video.play(); }, false);&#xA; </script>


// here I added video.muted = true ; video.play() ; to auto start, if I try to autoplay unmuted, many browsers refuse this command...


// playsinline="true" is NEEDED for safari


••••••• THE FFMPEG COMMAND (working : it allows me to have 3 to 4 seconds delay ••••••


ffmpeg -re -i input.x -c:a aac -c:v libx264 
-movflags +dash -preset ultrafast 
-crf 28 -refs 4 -qmin 4 -pix_fmt yuv420p 
-tune zerolatency -c:a aac -ac 2 -profile:v main 
-flags -global_header -bufsize 969k 
-hls_time 1 -hls_list_size 0 -g 30 
-start_number 0 -streaming 1 -hls_playlist 1 
-lhls 1 -hls_playlist_type event -f hls path_to_index.m3u8


•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••


How can this be fixed ?


How can I make play at live point on load in android MOBILE ?


-
FFMPEG command from Python 3.5 does not actually create audio file
20 décembre 2017, par Nathan BlaineI have a Django web application that accepts user uploaded videos/audio and saves them into a folder ’../WebAppDirectory/media/recordings’.
I am then using a speech to text API to get a rough transcription of the audio. This is working fine for .wav and .mp4 files, but the web app also accepts videos (.MOV) that I would like to first convert to .wav, then pass off to the API.
Using ffmpeg from my command line like this
ffmpeg -i C:\Users\Nathan\Desktop\MeetingRecorderWebAPP\media\recordings\upload_sample.MOV -ab 160k -ac 2 -ar 44100 -vn upload_sample.wavCorrectly creates the .wav file from the original .MOV.
However, when I run this from python with
subprocess.check_call(command, shell=True)ffmpeg responds with
File ’upload_sample.wav’ already exists. Overwrite ? [y/N]
While Python tells me
FileNotFoundError : [Errno 2] No such file or directory : ’C :\Users\Nathan\Desktop\MeetingRecorderWebAPP\media\recordings\upload_sample.wav’
It is also worth noting that I do not see a ’upload_sample.wav’ file in the media/recordings/ directory.
This leads me to believe that maybe Python and ffmpeg are looking in different folders, but I am not sure where I am going wrong. When I print the command from the subprocess.check_call and copy/paste it into cmd, the file is created as expected.
Hoping someone with some experience with ffmpeg/Python subprocess can help shed some light ! Here are the files I am working with :
Folder Structure
DjangoWebApp
|---media
|---|---imgs
|---|---recordings
|---|---|---upload_sample.MOV
|---uploaded_audio_to_text.pyuploaded_audio_to_text.py
import speech_recognition as sr
from os import path
import os
import subprocess
def speech_to_text(file_name):
AUDIO_FILE = path.join(path.dirname(path.realpath(__file__)), 'media','recordings', file_name)
print("Looking at path: ",AUDIO_FILE)
# get extension
AUDIO_FILE_EXT = os.path.splitext(AUDIO_FILE)[1]
if(AUDIO_FILE_EXT == '.MOV'):
print("File is not .wav: ", AUDIO_FILE_EXT, "found. Converting...")
# We will use subprocess and ffmpeg to convert this .MOV file to .wav, so we can send to API
temp_wav = os.path.splitext(file_name)[0] + '.wav'
print("New audio file will be: ", temp_wav)
# build CMD ffmpeg command
command = "ffmpeg -i "
command += AUDIO_FILE
command += " -ab 160k -ac 2 -ar 44100 -vn "
command += temp_wav
print("Attempting to run this command: \n",command)
print(subprocess.check_call(command, shell=True))
print("Past Subprocess.call")
AUDIO_FILE = path.join(path.dirname(path.realpath(__file__)), 'media','recordings', temp_wav)
print("AUDIO_FILE now set to: ", AUDIO_FILE)
else:
# continue with what we are doing
pass
r = sr.Recognizer()
with sr.AudioFile(AUDIO_FILE) as source:
audio = r.record(source) # read the entire audio file
text_transcription = "Sentinel"
# recognize speech using Microsoft Bing Voice Recognition
BING_KEY = "MY_KEY_:)"
try:
text_transcription = r.recognize_bing(audio, key=BING_KEY)
except sr.UnknownValueError:
print("Microsoft Bing Voice Recognition could not understand audio")
except sr.RequestError as e:
print("Could not request results from Microsoft Bing Voice Recognition service; {0}".format(e))
return text_transcription
#my tests
my_relative_file_path = "upload_sample.MOV"
print(speech_to_text(my_relative_file_path))Console output (traceback and my print()’s)
Looking at path: C:\Users\Nathan\Desktop\MeetingRecorderWebAPP\media\recordings\upload_sample.MOV
File is not .wav: .MOV found. Converting...
New audio file will be: upload_sample.wav Attempting to run this command:
ffmpeg -i C:\Users\Nathan\Desktop\MeetingRecorderWebAPP\media\recordings\upload_sample.MOV -ab 160k -ac 2 -ar 44100 -vn upload_sample.wav
ffmpeg version git-2017-12-18-74f408c Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.2.0 (GCC)
----REMOVED SOME FFMPEG OUTPUT FOR BREVITY----
File 'upload_sample.wav' already exists. Overwrite ? [y/N] y
Stream mapping: Stream #0:1 -> #0:0 (aac (native) -> pcm_s16le (native)) Press [q] to stop, [?] for help Output #0, wav, to 'upload_sample.wav': Metadata:
major_brand : qt
minor_version : 0
compatible_brands: qt
com.apple.quicktime.creationdate: 2017-12-19T16:06:10-0500
com.apple.quicktime.make: Apple
com.apple.quicktime.model: iPhone 6
com.apple.quicktime.software: 10.3.3
ISFT : Lavf58.3.100
Stream #0:0(und): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16, 1411 kb/s (default)
Metadata:
creation_time : 2017-12-19T21:06:11.000000Z
handler_name : Core Media Data Handler
encoder : Lavc58.8.100 pcm_s16le size= 1036kB time=00:00:06.01 bitrate=1411.3kbits/s speed=N/A video:0kB audio:1036kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.007352%
0
Traceback (most recent call last): Past Subprocess.call
File "C:\Users\Nathan\Desktop\MeetingRecorderWebAPP\uploaded_audio_to_text.py", line 53, in <module>
AUDIO_FILE now set to: C:\Users\Nathan\Desktop\MeetingRecorderWebAPP\media\recordings\upload_sample.wav
print(speech_to_text(my_relative_file_path))
File "C:\Users\Nathan\Desktop\MeetingRecorderWebAPP\uploaded_audio_to_text.py", line 36, in speech_to_text
with sr.AudioFile(AUDIO_FILE) as source:
File "C:\Users\Nathan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\speech_recognition\__init__.py", line 203, in __enter__
self.audio_reader = wave.open(self.filename_or_fileobject, "rb")
File "C:\Users\Nathan\AppData\Local\Programs\Python\Python36-32\lib\wave.py", line 499, in open
return Wave_read(f)
File "C:\Users\Nathan\AppData\Local\Programs\Python\Python36-32\lib\wave.py", line 159, in __init__
f = builtins.open(f, 'rb')
FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\Nathan\\Desktop\\MeetingRecorderWebAPP\\media\\recordings\\upload_sample.wav'
Process finished with exit code 1
</module>
Syndiquer tout le site
