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• Which FFMPEG Arguments to Pass for .m4a Audio File in Flutter ?

  25 juillet 2021, par Meggy

  I've got my own fork of GSPrakashNaidu' Flutter Audio_Trimmer plugin which I'd like to use to edit an M4a audio file.

  


  https://github.com/meghead/audio_trimmer

  


  The plugin passes the following command to Flutter's FFMPEG plugin ;

  


  "-y -i \"$path\" -vn -ss $start -to $end -ar 16k -ac -c:a aac -b:a 96k -acodec copy $outPath"; 


  


  Which can be seen here in the Android Studio console ;

  


  Running FFmpeg with arguments: [-y, -i, /storage/emulated/0/Android/data/myfiles/files/flutter_audio_recorder_1627212132002.m4a.temp, -vn, -ss, 5.0, -to, 10.5, -ar, 44k, -ac, 2, -b:a, 96k, -acodec, copy, /data/user/0/myfiles/cache/output.m4a].


  


  But here's the error which gets thrown ;

  


  Guessed Channel Layout for Input Stream #0.0 : mono
I/mobile-ffmpeg(21007): Input #0, wav, from '/storage/emulated/0/Android/data/myfiles/files/flutter_audio_recorder_1627212265033.m4a':
I/mobile-ffmpeg(21007):   Duration: 
I/mobile-ffmpeg(21007): 00:00:01.91
I/mobile-ffmpeg(21007): , bitrate: 
I/mobile-ffmpeg(21007): 705 kb/s
I/mobile-ffmpeg(21007): 
I/mobile-ffmpeg(21007):     Stream #0:0
I/mobile-ffmpeg(21007): : Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, mono, s16, 705 kb/s
I/mobile-ffmpeg(21007): 
E/mobile-ffmpeg(21007): [ipod @ 0x7277f388c0] Could not find tag for codec pcm_s16le in stream #0, codec not currently supported in container
E/mobile-ffmpeg(21007): Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
I/mobile-ffmpeg(21007): Stream mapping:
I/mobile-ffmpeg(21007):   Stream #0:0 -> #0:0
I/mobile-ffmpeg(21007):  (copy)
I/mobile-ffmpeg(21007): 
E/mobile-ffmpeg(21007): 
I/mobile-ffmpeg(21007): Conversion failed!
D/flutter-ffmpeg(21007): FFmpeg exited with rc: 1 


  


  What argument can I use to output .m4a ?

  


• Ffmpeg in docker-compose could not be started

  27 mai 2021, par indexlin

  

  



  

  



  I have the following docker-compose file but my ffmpeg container does not seem to start for some reason. It outputs a code of 0 and does not give any other info.

  



  version: '3'

networks:
  b2c:
    driver: bridge

services:
  ffmpeg:
    container_name: b2c-ffmpeg
    image: jrottenberg/ffmpeg

  nginx:
    container_name: b2c-nginx
    image: nginx:1.17.0
    depends_on:
      - "php"
    volumes:
      - ../server/public:/server/public
      - ./config/nginx/conf.d:/etc/nginx/conf.d
      - ./config/nginx/nginx.conf:/etc/nginx/nginx.conf
      - ../data/nginx/logs:/logs
    networks:
      - b2c
    ports:
      - "20001:80"

  php:
    container_name: b2c-php
    image: indexlin/gzyx-php7.2.4:1.1
    working_dir: /server
    volumes:
      - ../server:/server
      #- ./php/docker-php-ext-xdebug.ini:/usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
    networks:
      - b2c
    ports:
      - "23001:9000"
    #user: "1000:1000"

  mysql:
    container_name: b2c-mysql
    image: mysql:5.7.21
    environment:
      MYSQL_ROOT_PASSWORD: root
    volumes:
      - ../data/mysql/lib:/var/lib/mysql
      #- ../data/mysql/log:/var/log/mysql
      - ./config/mysql/mysqld.cnf:/etc/mysql/mysql.conf.d/mysqld.cnf
    networks:
      - b2c
    ports:
      - "25001:3306"

  redis:
    container_name: b2c-redis
    image: redis:5.0.5
    volumes:
      - ../data/redis:/data
      - ./config/redis/redis.conf:/usr/local/etc/redis/redis.conf
    networks:
      - b2c
    ports:
      - "27001:6379"

  node:
    container_name: b2c-node
    volumes:
      - ../server:/server
      - ../web:/web
    image: node:10.15.3
    networks:
      - b2c
    tty: true
    working_dir: /web
    ports:
      - "29001:29000"


  


• Which FFMPEG Arguments to Copy .m4a Audio File in Flutter ?

  25 juillet 2021, par Meggy

  I've got my own fork of GSPrakashNaidu' Flutter Audio_Trimmer plugin which I'd like to use to edit an M4a audio file.

  


  https://github.com/meghead/audio_trimmer

  


  The plugin passes the following command to Flutter's FFMPEG plugin ;

  


  "-y -i \"$path\" -vn -ss $start -to $end -ar 16k -ac -c:a aac -b:a 96k -acodec copy $outPath"; 


  


  Which can be seen here in the Android Studio console ;

  


  Running FFmpeg with arguments: [-y, -i, /storage/emulated/0/Android/data/myfiles/files/flutter_audio_recorder_1627212132002.m4a.temp, -vn, -ss, 5.0, -to, 10.5, -ar, 44k, -ac, 2, -b:a, 96k, -acodec, copy, /data/user/0/myfiles/cache/output.m4a].


  


  But here's the error which gets thrown ;

  


  Guessed Channel Layout for Input Stream #0.0 : mono
I/mobile-ffmpeg(21007): Input #0, wav, from '/storage/emulated/0/Android/data/myfiles/files/flutter_audio_recorder_1627212265033.m4a':
I/mobile-ffmpeg(21007):   Duration: 
I/mobile-ffmpeg(21007): 00:00:01.91
I/mobile-ffmpeg(21007): , bitrate: 
I/mobile-ffmpeg(21007): 705 kb/s
I/mobile-ffmpeg(21007): 
I/mobile-ffmpeg(21007):     Stream #0:0
I/mobile-ffmpeg(21007): : Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, mono, s16, 705 kb/s
I/mobile-ffmpeg(21007): 
E/mobile-ffmpeg(21007): [ipod @ 0x7277f388c0] Could not find tag for codec pcm_s16le in stream #0, codec not currently supported in container
E/mobile-ffmpeg(21007): Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
I/mobile-ffmpeg(21007): Stream mapping:
I/mobile-ffmpeg(21007):   Stream #0:0 -> #0:0
I/mobile-ffmpeg(21007):  (copy)
I/mobile-ffmpeg(21007): 
E/mobile-ffmpeg(21007): 
I/mobile-ffmpeg(21007): Conversion failed!
D/flutter-ffmpeg(21007): FFmpeg exited with rc: 1 


  


  What argument can I use to output .m4a ?