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  • Correct usage of fdkaac for liquidsoap->icecast

    1er février 2024, par user4893295

    Can't seem to get aac working using fdkaac with liquidsoap. It just seems to shutdown.

    


    TBF I have no idea which aot or transmux to use for "normal" icecast stuff. mp3 works fine, and the icecast server works fine with aac from other sources (BUTT etc).

    


    This is my starting point from the liquidsoap cookbook :

    


    %fdkaac(channels=2, samplerate=44100, bandwidth="auto", bitrate=64, afterburner=false, aot="mpeg2_he_aac_v2", transmux="adts", sbr_mode=false)


    


    And this is my output from liquidsoap :

    


    2024/02/01 20:49:05 [clock:3] Using native (high-precision) implementation for latency control
2024/02/01 20:49:07 [main:3] Standard library loaded in 1.64 seconds.
2024/02/01 20:49:07 [lang:2] WARNING: "set" is deprecated and will be removed in future version. Please use `settings.path.to.key := value`
2024/02/01 20:49:07 [lang:2] WARNING: "set" is deprecated and will be removed in future version. Please use `settings.path.to.key := value`
2024/02/01 20:49:07 [frame:3] Using 44100Hz audio, 25Hz video, 44100Hz main.
2024/02/01 20:49:07 [frame:3] Video frame size set to: 1280x720
2024/02/01 20:49:07 [frame:3] Frame size must be a multiple of 1764 ticks = 1764 audio samples = 1 video samples.
2024/02/01 20:49:07 [frame:3] Targeting 'frame.duration': 0.04s = 1764 audio samples = 1764 ticks.
2024/02/01 20:49:07 [frame:3] Frames last 0.04s = 1764 audio samples = 1 video samples = 1764 ticks.
2024/02/01 20:49:07 [sandbox:3] Could not find binary bwrap, disabling sandboxing.
2024/02/01 20:49:07 [startup:3] DSSI plugins registration: 0.00s
2024/02/01 20:49:07 [startup:3] FFmpeg filters registration: 0.02s
2024/02/01 20:49:07 [startup:3] FFmpeg bitstream filters registration: 0.00s
2024/02/01 20:49:07 [startup:3] Lilv plugins registration: 0.00s
2024/02/01 20:49:07 [startup:3] Frei0r plugin registration: 0.00s
2024/02/01 20:49:07 [startup:3] LADSPA plugins registration: 0.00s
2024/02/01 20:49:07 [startup:3] Typechecking: 1.36s
2024/02/01 20:49:07 [startup:3] Evaluation: 0.01s
2024/02/01 20:49:07 [startup:3] Typechecking: 0.02s
2024/02/01 20:49:07 [startup:3] Evaluation: 0.00s
2024/02/01 20:49:07 [startup:3] Typechecking: 0.00s
2024/02/01 20:49:07 [startup:3] Evaluation: 0.00s
2024/02/01 20:49:07 [startup:3] Typechecking: 0.00s
2024/02/01 20:49:07 [startup:3] Evaluation: 0.08s
2024/02/01 20:49:07 [startup:3] Loaded /etc/liquidsoap/index.liq: 0.08s
2024/02/01 20:49:07 [64_aac:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [cross:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [on_track:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [promos.2:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [promos:3] Content type is {}.
2024/02/01 20:49:07 [current:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [music.3:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [music.2:3] Content type is {}.
2024/02/01 20:49:07 [music:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [safe_blank:3] Content type is {audio=pcm(stereo)}.
2024/02/01 20:49:07 [clock.main:3] Streaming loop starts in auto-sync mode
2024/02/01 20:49:07 [clock.main:3] Delegating synchronization to CPU clock
2024/02/01 20:49:07 [video.converter:3] Using preferred video converter: ffmpeg.
2024/02/01 20:49:07 [audio.converter:3] Using samplerate converter: libsamplerate.
2024/02/01 20:49:07 [video.text:3] Using sdl implementation
2024/02/01 20:49:07 [mksafe:3] Switch to safe_blank.
2024/02/01 20:49:07 [clock.main:2] Source 64_aac failed while streaming: Lang.Runtime_error { kind: "encoder", msg: "Invalid configuration: aot", pos: [at /etc/liquidsoap/index.liq, line 52, char 2-144] }!
2024/02/01 20:49:07 [clock.main:2] Raised at Liquidsoap_lang__Runtime_error.raise in file "src/lang/runtime_error.ml", line 48, characters 14-21
2024/02/01 20:49:07 [clock.main:2] Called from Stdlib__List.iter in file "list.ml", line 110, characters 12-15
2024/02/01 20:49:07 [clock.main:2] Called from Fdkaac_encoder.create_encoder in file "src/core/encoder/encoders/fdkaac_encoder.ml", line 69, characters 2-22
2024/02/01 20:49:07 [clock.main:2] Called from Fdkaac_encoder.encoder in file "src/core/encoder/encoders/fdkaac_encoder.ml", line 73, characters 12-35
2024/02/01 20:49:07 [clock.main:2] Called from Encoder.get_factory.(fun) in file "src/core/encoder/encoder.ml", line 344, characters 8-32
2024/02/01 20:49:07 [clock.main:2] Called from Icecast2.output#icecast_start in file "src/core/outputs/icecast2.ml", line 555, characters 16-67
2024/02/01 20:49:07 [clock.main:2] Called from Icecast2.output#send in file "src/core/outputs/icecast2.ml", line 544, characters 12-30
2024/02/01 20:49:07 [clock.main:2] Called from Output.encoded#send_frame.output_chunks.f in file "src/core/outputs/output.ml", line 256, characters 10-24
2024/02/01 20:49:07 [clock.main:2] Called from Output.output#output in file "src/core/outputs/output.ml", line 192, characters 45-70
2024/02/01 20:49:07 [clock.main:2] Called from Clock.MkClock.clock#end_tick.(fun) in file "src/core/clock.ml", line 318, characters 16-24
Incorrect BOM value
Error reading lyrics, skipped
2024/02/01 20:49:07 [clock.main:2]
[mp3 @ 0x7fd5ad428000] Estimating duration from bitrate, this may be inaccurate
2024/02/01 20:49:07 [decoder.ffmpeg:3] Requested content-type for "/data/dropbox/promos/current/24-7 promo 1 remix.mp3": {audio=pcm(stereo)}
2024/02/01 20:49:07 [decoder.ffmpeg:3] FFmpeg recognizes "/data/dropbox/promos/current/24-7 promo 1 remix.mp3" as audio: {codec: mp3, 44100Hz, 2 channel(s)}
2024/02/01 20:49:07 [decoder.ffmpeg:3] Decoded content-type for "/data/dropbox/promos/current/24-7 promo 1 remix.mp3": {audio=pcm(stereo)}
2024/02/01 20:49:07 [decoder.ffmpeg:3] Requested content-type for "/data/music/Bruno Mars - Locked out of Heaven.mp3": {audio=pcm(stereo)}
2024/02/01 20:49:07 [decoder.ffmpeg:3] FFmpeg recognizes "/data/music/Bruno Mars - Locked out of Heaven.mp3" as audio: {codec: mp3, 44100Hz, 2 channel(s)}, video: {codec: mjpeg, 640x640, yuvj444p}, video_2: {codec: mjpeg, 640x640, yuvj444p}
2024/02/01 20:49:07 [decoder.ffmpeg:3] Decoded content-type for "/data/music/Bruno Mars - Locked out of Heaven.mp3": {audio=pcm(stereo)}
Incorrect BOM value
Error reading lyrics, skipped
[mp3 @ 0x7fd5ad428000] Estimating duration from bitrate, this may be inaccurate
2024/02/01 20:49:07 [clock.main:3] Streaming loop stopped.
2024/02/01 20:49:07 [threads:3] Main loop exited
2024/02/01 20:49:07 [main:3] Shutdown started!
2024/02/01 20:49:07 [threads:3] Waiting for main threads to terminate...
2024/02/01 20:49:07 [threads:3] Main threads terminated.
2024/02/01 20:49:07 [threads:3] Shutting down scheduler...
2024/02/01 20:49:07 [threads:3] Scheduler shut down.
2024/02/01 20:49:07 [main:3] Cleaning downloaded files...
2024/02/01 20:49:07 [main:3] Freeing memory...
2024/02/01 20:49:07 >>> LOG END


    


    EDIT it does seem to be using video, which wouldn't help ? Looking at this bit :

    


    2024/02/01 20:49:07 [frame:3] Using 44100Hz audio, 25Hz video, 44100Hz main.
2024/02/01 20:49:07 [frame:3] Video frame size set to: 1280x720


    


    But no idea why or how to stop that...

    


  • How to encode and segment at the same time ?

    18 octobre 2011, par lvreiny

    I want to implement HTTP streaming server, which is similar to this (http://www.ioncannon.net/programming/452/iphone-http-streaming-with-ffmpeg-and-an-open-source-segmenter/)
    But, instead of segment the video file after it is completely converted by ffmpeg, I want to do encoding and segmenting at the same time (something like if the output stream from the encoder is sent to the segmenter immediately).

    Thanks

    lvreiny

  • encode and segment at the same time ?

    4 octobre 2011, par lvreiny

    I want to implement HTTP streaming server, which is similar to this (http://www.ioncannon.net/programming/452/iphone-http-streaming-with-ffmpeg-and-an-open-source-segmenter/)
    But, instead of segment the video file after it is completely converted by ffmpeg, I want to do encoding and segmenting at the same time (something like if the output stream from the encoder is sent to the segmenter immediately).

    what should be the appropriate solution for this ?

    Thanks

    lvreiny

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