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  • How to expand bash array into arguments correctly

    12 avril 2022, par alvgarci

    I'm working on a script on Bash.

    


    The objective is pass 36 arguments to a ffmpeg via command.

    


    Steps here :

    


      


    1. I verified the command. This one works fine :

      


      ffmpeg -i  "$f" -y -acodec aac -ab 128k  -vcodec copy  -f mp4 -movflags use_metadata_tags   -metadata MtsExifToolVersionNumber="12.30"  -metadata MtsFileName="00017.MTS"  -metadata MtsDirectory="."  -metadata MtsFileSize="59 MiB"  -metadata MtsFileModificationDate/Time="2020"  -metadata MtsFileAccessDate/Time="2021"  -metadata MtsFileInodeChangeDate/Time="2022"  -metadata MtsFilePermissions="-rwxr-xr-x"  -metadata MtsFileType="M2TS"  -metadata MtsFileTypeExtension="mts"  -metadata MtsMIMEType="video/m2ts"  -metadata MtsVideoStreamType="H.264 (AVC) Video"  -metadata MtsAudioBitrate="256 kbps"  -metadata MtsSurroundMode="Not indicated"  -metadata MtsAudioChannels="2"  -metadata MtsAudioStreamType="PGS Audio"  -metadata MtsImageWidth="1920"  -metadata MtsImageHeight="1080"  -metadata MtsDate/TimeOriginal="2020"  -metadata MtsApertureSetting="Auto"  -metadata MtsGain="0 dB"  -metadata MtsExposureProgram="Program AE"  -metadata MtsWhiteBalance="Auto"  -metadata MtsFocus="Auto (0.155)"  -metadata MtsImageStabilization="On (0x3f)"  -metadata MtsExposureTime="1/60"  -metadata MtsFNumber="3.4"  -metadata MtsMake="Sony"  -metadata MtsCameraModelName="HDR-CX405"  -metadata MtsWarning="[minor] The ExtractEmbedded option may find more tags in the video data"  -metadata MtsAudioSampleRate="48000"  -metadata MtsDuration="18.71 s"  -metadata MtsAperture="3.4"  -metadata MtsImageSize="1920x1080"  -metadata MtsMegapixels="2.1"  -metadata MtsShutterSpeed="1/60"  -metadata Offset="$Offset" -metadata creation_time="$DATE" "./$output/convert_exif_ok/$MP4_NAME"


      


      2. 


    


    Now.. I created a bash array and I tried to expand it directly on the command :

    


      ffmpeg -i  "$f" -y -acodec aac -ab 128k  -vcodec copy  -f mp4 -movflags use_metadata_tags  $(echo "${exif_2[@]}"  )   -metadata Offset="$Offset" -metadata creation_time="$DATE" "./$output/convert_exif_ok/$MP4_NAME"


    


    And.. this doesn't work..

    


    Seems like it's taking one argument so long instead of 36 different arguments..

    


    This is the output :

    


        ffmpeg version 5.0.1 Copyright (c) 2000-2022 the FFmpeg developers
  built with Apple clang version 12.0.0 (clang-1200.0.32.29)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/5.0.1 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox
  libavutil      57. 17.100 / 57. 17.100
  libavcodec     59. 18.100 / 59. 18.100
  libavformat    59. 16.100 / 59. 16.100
  libavdevice    59.  4.100 / 59.  4.100
  libavfilter     8. 24.100 /  8. 24.100
  libswscale      6.  4.100 /  6.  4.100
  libswresample   4.  3.100 /  4.  3.100
  libpostproc    56.  3.100 / 56.  3.100
Input #0, mpegts, from '00017.MTS':
  Duration: 00:00:18.72, start: 1.020000, bitrate: 26466 kb/s
  Program 1
  Stream #0:0[0x1011]: Video: h264 (High) (HDPR / 0x52504448), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn
  Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, fltp, 256 kb/s
  Stream #0:2[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
 -metadata MtsExifToolVersionNumber="12.30"  -metadata MtsFileName="00017.MTS"  -metadata MtsDirectory="."  -metadata MtsFileSize="59 MiB"  -metadata MtsFileModificationDate/Time="2020"  -metadata MtsFileAccessDate/Time="2021"  -metadata MtsFileInodeChangeDate/Time="2022"  -metadata MtsFilePermissions="-rwxr-xr-x"  -metadata MtsFileType="M2TS"  -metadata MtsFileTypeExtension="mts"  -metadata MtsMIMEType="video/m2ts"  -metadata MtsVideoStreamType="H.264 (AVC) Video"  -metadata MtsAudioBitrate="256 kbps"  -metadata MtsSurroundMode="Not indicated"  -metadata MtsAudioChannels="2"  -metadata MtsAudioStreamType="PGS Audio"  -metadata MtsImageWidth="1920"  -metadata MtsImageHeight="1080"  -metadata MtsDate/TimeOriginal="2020"  -metadata MtsApertureSetting="Auto"  -metadata MtsGain="0 dB"  -metadata MtsExposureProgram="Program AE"  -metadata MtsWhiteBalance="Auto"  -metadata MtsFocus="Auto (0.155)"  -metadata MtsImageStabilization="On (0x3f)"  -metadata MtsExposureTime="1/60"  -metadata MtsFNumber="3.4"  -metadata MtsMake="Sony"  -metadata MtsCameraModelName="HDR-CX405"  -metadata MtsWarning="[minor] The ExtractEmbedded option may find more tags in the video data"  -metadata MtsAudioSampleRate="48000"  -metadata MtsDuration="18.71 s"  -metadata MtsAperture="3.4"  -metadata MtsImageSize="1920x1080"  -metadata MtsMegapixels="2.1"  -metadata MtsShutterSpeed="1/60": File name too long


    


    Well.. I'm sure I'm doing something wrong on the way of passing the content of the array to the arguments..

    


    Any help ?

    


    Thanks

    


  • ffmpeg : #EXT-X-INDEPENDENT-SEGMENTS tag not added

    26 novembre 2022, par xav-stargate

    I try to add #EXT-X-INDEPENDENT-SEGMENTS in my master playlist file with -hls_flags independent_segments but except #EXT-X-VERSION change from 4 to 6, the tag isn't added.

    


    Do you have an idea why ?

    


    Command :

    


    ffmpeg -i ./2022-11-26_09_00_00_radiojournal_0000_128.mp4 
-codec copy -f hls -hls_time 11 
-hls_flags independent_segments+single_file -hls_segment_filename "output.aac" 
-master_pl_name master.m3u8 -hls_segment_type mpegts -hls_playlist_type vod 
-hls_start_number_source generic -start_number 1 "index_128.m3u8"


    


  • FFMPEG Without Headers is Causing Video To Be Height 0X0

    21 novembre 2022, par Devin Dixon

    I am grabbing a stream from X11 and streaming it to other sources like Node Media Server and Twitch. Except, I get audio only with no video and the resolution size says 0X0.

    


    My ffmpeg is command is this :

    


     /usr/bin/ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -video_size 1920x1080 -y -v info -f x11grab -draw_mouse 0 -r 60 -s 1920x1080 -thread_queue_size 14000 -i :0.0+0,0 -f alsa -thread_queue_size 14000 -i plug:bsnoop -acodec aac -strict -2 -ar 44100 -b:a 128k -af aresample=async=1 -c:v h264_vaapi -vf format=nv12,hwupload,scale_vaapi=w=1920:h=1080 -attempt_recovery 1 -max_recovery_attempts 2 -drop_pkts_on_overflow 1 -video_size 1920x1080 -crf 19 -preset medium -maxrate 14000k -bufsize 14000k -r 60 -crf 25 -g 120 -tune zerolatency -f flv rtmp://[some_other_source]


    


    The ffmpeg output is as follows :

    


    2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption crf (Select the quality for constant quality mode) specified for output file #0 (rtmp://[some_other_sorce]) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption tune (The metric that the encoder tunes for. Automatically chosen by the encoder by default) specified for output file #0 (rtmp://[some_other_source]) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption preset (Encoding preset) specified for output file #0 (rtmp://relay.bingewave.com/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption preset (Encoding preset) specified for output file #1 (rtmp://127.0.0.1:1935/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption tune (The metric that the encoder tunes for. Automatically chosen by the encoder by default) specified for output file #1 (rtmp://127.0.0.1:1935/live/['for_reording']) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption crf (Select the quality for constant quality mode) specified for output file #1 (rtmp://127.0.0.1:1935/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Stream mapping:
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (h264_vaapi))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (native))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:0 -> #1:0 (rawvideo (native) -> h264 (h264_vaapi))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:0 -> #1:1 (pcm_s16le (native) -> mp3 (libmp3lame))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Press [q] to stop, [?] for help
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] No quality level set; using default (20).
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] Buffering settings are ignored in CQP RC mode.
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] Driver does not support some wanted packed headers (wanted 0xd, found 0).
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] Driver does not support packed sequence headers, but a global header is requested.
2022-11-21 13:42:45.583 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] No global header will be written: this may result in a stream which is not usable for some purposes (e.g. not muxable to some containers).
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df0a700] Driver does not support some wanted packed headers (wanted 0xd, found 0).
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df0a700] Driver does not support packed sequence headers, but a global header is requested.
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df0a700] No global header will be written: this may result in a stream which is not usable for some purposes (e.g. not muxable to some containers).
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Output #0, flv, to 'rtmp://relay.bingewave.com/live/[some_other_source]':
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Metadata:
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     encoder         : Lavf59.27.100
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:0: Video: h264 (High) ([7][0][0][0] / 0x0007), vaapi(tv, progressive), 1920x1080, q=2-31, 60 fps, 1k tbn
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 h264_vaapi
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 aac
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Output #1, flv, to 'rtmp://127.0.0.1:1935/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b':
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Metadata:
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     encoder         : Lavf59.27.100
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:0: Video: h264 (High) ([7][0][0][0] / 0x0007), vaapi(tv, progressive), 1920x1080, q=2-31, 15000 kb/s, 60 fps, 1k tbn
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 h264_vaapi
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:1: Audio: mp3 ([2][0][0][0] / 0x0002), 48000 Hz, stereo, s16p
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 libmp3lame
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=    1 fps=0.0 q=-0.0 q=-0.0 size=       7kB time=00:00:00.06 bitrate= 875.5kbits/s speed=1.31x    
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=   31 fps=0.0 q=-0.0 q=-0.0 size=     281kB time=00:00:00.55 bitrate=4133.2kbits/s speed=1.01x    
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=   60 fps= 57 q=-0.0 q=-0.0 size=     546kB time=00:00:01.18 bitrate=3774.7kbits/s speed=1.12x    
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=   91 fps= 58 q=-0.0 q=-0.0 size=     828kB time=00:00:01.69 bitrate=4003.3kbits/s speed=1.08x    
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df10e00] Failed to update header with correct duration.
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df10e00] Failed to update header with correct filesize.
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df15500] Failed to update header with correct duration.
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df15500] Failed to update header with correct filesize.


    


    I've noticed there are several errors the headers going out. For VAAPI, how do I set resolution header ?

    


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