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  • Why PyAudio doesn't read 'mp3' ?

    22 octobre 2020, par freshITmeat

    I tried to read file that I give with absolute path.
When I run my code first that I see is this message :

    


    D:\prog\datascience\anaconda\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)


    


    I tried this :

    


    PATH_TO_FFMPEG = 'D:\\prog\\ffmpeg-win-2.2.2\\ffmpeg.exe'
pydub.AudioSegment.converter = r'D:\\prog\\ffmpeg-win-2.2.2\\ffmpeg.exe'


    


    And I separately installed ffmpeg with pip. But it didn't help.
When I try this :

    


    raw_sound = pydub.AudioSegment.from_mp3(file=track_path)


    


    where track_path is correct absolute path generated automatically.
So I got this this error :

    


    Traceback (most recent call last):&#xA;  File "D:\prog\PyCharm Community Edition 2020.2.2\plugins\python-ce\helpers\pydev\pydevd.py", line 1448, in _exec&#xA;    pydev_imports.execfile(file, globals, locals)  # execute the script&#xA;  File "D:\prog\PyCharm Community Edition 2020.2.2\plugins\python-ce\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile&#xA;    exec(compile(contents&#x2B;"\n", file, &#x27;exec&#x27;), glob, loc)&#xA;  File "D:/testtask2/test_task/testtask/get_mffc.py", line 165, in <module>&#xA;    slice_all_in_a_dir(&#x27;May 27 2020 LNC/Hydrophone 1/raw_records&#x27;)&#xA;  File "D:/testtask2/test_task/testtask/get_mffc.py", line 70, in slice_all_in_a_dir&#xA;    slice_samples(track_path= [file],&#xA;  File "D:/testtask2/test_task/testtask/get_mffc.py", line 48, in slice_samples&#xA;    raw_sound = pydub.AudioSegment.from_mp3(file=track_path)&#xA;  File "D:\prog\datascience\anaconda\lib\site-packages\pydub\audio_segment.py", line 738, in from_mp3&#xA;    return cls.from_file(file, &#x27;mp3&#x27;, parameters=parameters)&#xA;  File "D:\prog\datascience\anaconda\lib\site-packages\pydub\audio_segment.py", line 680, in from_file&#xA;    stdin_data = file.read()&#xA;AttributeError: &#x27;list&#x27; object has no attribute &#x27;read&#x27;&#xA;python-BaseException&#xA;</module>

    &#xA;

  • How to combine/concatenate videos stored in AWS S3 bucket based on title of the file name

    9 juin 2020, par orangecube

    I am using a service that allows me to record videos that get automatically pushed to a folder (submissions) in an S3 bucket. There are multiple videos however they need to be grouped together and concatenated so the output is one video per group.

    &#xA;&#xA;

    So, basically, any tips on how I can take videos based on the title and stitch them together ?

    &#xA;&#xA;

    Example :

    &#xA;&#xA;

    Submissions folder will have :

    &#xA;&#xA;

    a-100-2.mp4&#xA;a-200-6.mp4&#xA;b-123-5.mp4&#xA;

    &#xA;&#xA;

    Expected output in processed folder :

    &#xA;&#xA;

    a.mp4     - (both &#x27;a&#x27; videos get stitched together)&#xA;b.mp4     - (only &#x27;b&#x27; gets sent over since there is only one video.)&#xA;

    &#xA;&#xA;

    Thanks in advance !

    &#xA;&#xA;

    Edit : Some additional and detailed information below if it helps.

    &#xA;&#xA;

    The files will be labeled with :&#xA;name-location-video_token-stream_token.mp4

    &#xA;&#xA;

    Need help creating a script or process that will concatenate the videos using the procedure outlined below :

    &#xA;&#xA;

    Processing rules (back end) :

    &#xA;&#xA;

      &#xA;
    1. Check if videos have same video_token in ‘submissions folder’. If so, keep the newest one and delete old ones.

    2. &#xA;

    3. Take all videos in ‘submissions folder’ with same name and location in title and concatenate the videos. Save output video to a new folder in the bucket labeled as the location for the folder name. &#xA;Output file name : &#xA;name-location-year.mp4.

    4. &#xA;

    &#xA;&#xA;

    EXAMPLE :

    &#xA;&#xA;

    Submissions folder :&#xA;joey-toronto-001-354.mp4

    &#xA;&#xA;

    joey-toronto-001-241.mp4 - this will be deleted

    &#xA;&#xA;

    joey-toronto-103-452.mp4

    &#xA;&#xA;

    alex-montreal-352-232.mp4

    &#xA;&#xA;

    alex-montreal-452-223.mp4

    &#xA;&#xA;

    Resulting output :

    &#xA;&#xA;

    Toronto folder :

    &#xA;&#xA;

    Joey-toronto-2020.mp4

    &#xA;&#xA;

    Montreal folder :

    &#xA;&#xA;

    Alex-montreal-2020.mp4

    &#xA;

  • MobileFFMPEG Output file #0 does not contain any stream

    30 septembre 2020, par Alhaj

    I am using implementation 'com.arthenica:mobile-ffmpeg-full:4.4'

    &#xA;

    I just want o crop audio file to 10 second to 20 second

    &#xA;

    '''&#xA;fun cropAudio(input :String)

    &#xA;

        val newFileName = UUID.randomUUID().toString()&#xA;&#xA;    val location: String = getBatchDirectoryName()!!&#xA;&#xA;    val output: String = location &#x2B; "/" &#x2B; newFileName &#x2B; ".mp3"&#xA;&#xA;    val temp=" -i $input -ss 60 -to 70 $output"&#xA;&#xA;    Log.e("alhaj", " a $s")&#xA;&#xA;    FFmpeg.execute(temp, object : ExecuteCallback {&#xA;&#xA;        fun onSuccess(message: String?) {&#xA;            uploadOnFirebase(output, title)&#xA;            mediaPlayer.stop()&#xA;            Log.e("alhaj", message!!)&#xA;        }&#xA;&#xA;        override fun apply(executionId: kotlin.Long, returnCode: Int) {&#xA;            if (returnCode == RETURN_CODE_SUCCESS) {&#xA;                Log.i("alhaj", "Async command execution completed successfully.");&#xA;            } else if (returnCode == RETURN_CODE_CANCEL) {&#xA;                Log.i("alhaj", "Async command execution cancelled by user.");&#xA;            } else {&#xA;                Log.i("alhaj", String.format("Async command execution failed with rc=%d.", returnCode));&#xA;            }&#xA;        }&#xA;    }.toString())&#xA;}&#xA;

    &#xA;

    '''

    &#xA;

    but i am getting error

    &#xA;

    '''

    &#xA;

    2020-09-30 03:13:41.079 10300-10410/com.example.touchmeadmin I/mobile-ffmpeg : Output #0, mp3, to ' -i /storage/emulated/0/AJ backup/songs/Maroon 5 - Memories (Official Video) ( 256kbps cbr ).mp3 -ss 60 -to 70 /storage/emulated/0/Android/data/com.example.touchmeadmin/files/Music/830350fd-5218-4ee0-bd99-0dd50b802930.mp3' :&#xA;2020-09-30 03:13:41.079 10300-10410/com.example.touchmeadmin E/mobile-ffmpeg : Output file #0 does not contain any stream

    &#xA;

    '''

    &#xA;