Before generate
calculating response
command:  ffmpeg -i https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3 -f mp3 -to 00:00:02.000 -vn -ab 256k -strict -2 -loglevel trace
Before popen
ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9.3.0 (Alpine 9.3.0)
  configuration: --prefix=/usr --enable-avresample --enable-avfilter --enable-gnutls --enable-gpl --enable-libass --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libx264 --enable-libx265 --enable-libtheora --enable-libv4l2 --enable-libdav1d --enable-postproc --enable-pic --enable-pthreads --enable-shared --enable-libxcb --enable-libssh --disable-stripping --disable-static --disable-librtmp --enable-vaapi --enable-vdpau --enable-libopus --enable-libaom --disable-debug
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Splitting the commandline.
Reading option '-i' ... matched as input url with argument 'https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'mp3'.
Reading option '-to' ... matched as option 'to' (record or transcode stop time) with argument '00:00:02.000'.
Reading option '-vn' ... matched as option 'vn' (disable video) with argument '1'.
Reading option '-ab' ... matched as option 'ab' (audio bitrate (please use -b:a)) with argument '256k'.
Reading option '-strict' ...Routing option strict to both codec and muxer layer
 matched as AVOption 'strict' with argument '-2'.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'trace'.
Reading option '-' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument trace.
Successfully parsed a group of options.
Parsing a group of options: input url https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3.
Successfully parsed a group of options.
Opening an input file: https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3.
[NULL @ 0x7f852b4e15c0] Opening 'https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3' for reading
[https @ 0x7f852b4e1d80] Setting default whitelist 'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[tcp @ 0x555bf3011cc0] Original list of addresses:
[tcp @ 0x555bf3011cc0] Address 193.141.3.68 port 443
[tcp @ 0x555bf3011cc0] Address 2a01:238:20a:202:1068:: port 443
[tcp @ 0x555bf3011cc0] Interleaved list of addresses:
[tcp @ 0x555bf3011cc0] Address 193.141.3.68 port 443
[tcp @ 0x555bf3011cc0] Address 2a01:238:20a:202:1068:: port 443
[tcp @ 0x555bf3011cc0] Starting connection attempt to 193.141.3.68 port 443
[tcp @ 0x555bf3011cc0] Successfully connected to 193.141.3.68 port 443
[https @ 0x7f852b4e1d80] request: GET /examples/mp3/SoundHelix-Song-1.mp3 HTTP/1.1
User-Agent: Lavf/58.45.100
Accept: */*
Range: bytes=0-
Connection: close
Host: www.soundhelix.com
Icy-MetaData: 1


[https @ 0x7f852b4e1d80] header='HTTP/1.1 206 Partial Content'
[https @ 0x7f852b4e1d80] http_code=206
[https @ 0x7f852b4e1d80] header='Date: Fri, 04 Dec 2020 06:22:17 GMT'
[https @ 0x7f852b4e1d80] header='Server: Apache/2.4.43 (Unix)'
[https @ 0x7f852b4e1d80] header='X-Content-Type-Options: nosniff'
[https @ 0x7f852b4e1d80] header='Upgrade: h2,h2c'
[https @ 0x7f852b4e1d80] header='Connection: Upgrade, close'
[https @ 0x7f852b4e1d80] header='Last-Modified: Sat, 05 Mar 2011 18:33:59 GMT'
[https @ 0x7f852b4e1d80] header='ETag: "887e4d-49dc0818373c0"'
[https @ 0x7f852b4e1d80] header='Accept-Ranges: bytes'
[https @ 0x7f852b4e1d80] header='Content-Length: 8945229'
[https @ 0x7f852b4e1d80] header='Cache-Control: max-age=1209600'
[https @ 0x7f852b4e1d80] header='Expires: Fri, 18 Dec 2020 06:22:17 GMT'
[https @ 0x7f852b4e1d80] header='Content-Range: bytes 0-8945228/8945229'
[https @ 0x7f852b4e1d80] header='Content-Type: audio/mpeg'
[https @ 0x7f852b4e1d80] header=''
Probing mp3 score:25 size:1981
Probing mp3 score:51 size:4029
[mp3 @ 0x7f852b4e15c0] Format mp3 probed with size=4096 and score=51
id3v2 ver:3 flags:00 len:57
[mp3 @ 0x7f852b4e15c0] Skipping 0 bytes of junk at 67.
[mp3 @ 0x7f852b4e15c0] Before avformat_find_stream_info() pos: 67 bytes read:8000 seeks:0 nb_streams:1
[mp3 @ 0x7f852b4e15c0] All info found
[mp3 @ 0x7f852b4e15c0] Estimating duration from bitrate, this may be inaccurate
[mp3 @ 0x7f852b4e15c0] stream 0: start_time: 0 duration: 372.715
[mp3 @ 0x7f852b4e15c0] format: start_time: 0 duration: 372.715 (estimate from bit rate) bitrate=192 kb/s
[mp3 @ 0x7f852b4e15c0] After avformat_find_stream_info() pos: 31811 bytes read:32000 seeks:0 frames:50
Input #0, mp3, from 'https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3':
  Metadata:
    artist          : SoundHelix
    date            : 2009
    genre           : Electronic
  Duration: 00:06:12.72, start: 0.000000, bitrate: 192 kb/s
    Stream #0:0, 50, 1/14112000: Audio: mp3, 44100 Hz, stereo, fltp, 192 kb/s
Successfully opened the file.
Parsing a group of options: output url -.
Applying option f (force format) with argument mp3.
Applying option to (record or transcode stop time) with argument 00:00:02.000.
Applying option vn (disable video) with argument 1.
Applying option ab (audio bitrate (please use -b:a)) with argument 256k.
Successfully parsed a group of options.
Opening an output file: -.
[pipe @ 0x555bf3025d80] Setting default whitelist 'crypto,data'
Successfully opened the file.
Stream mapping:
  Stream #0:0 -> #0:0 (mp3 (mp3float) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
detected 8 logical cores
[graph_0_in_0_0 @ 0x555bf302a680] Setting 'time_base' to value '1/44100'
[graph_0_in_0_0 @ 0x555bf302a680] Setting 'sample_rate' to value '44100'
[graph_0_in_0_0 @ 0x555bf302a680] Setting 'sample_fmt' to value 'fltp'
[graph_0_in_0_0 @ 0x555bf302a680] Setting 'channel_layout' to value '0x3'
[graph_0_in_0_0 @ 0x555bf302a680] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[format_out_0_0 @ 0x555bf302adc0] Setting 'sample_fmts' to value 's32p|fltp|s16p'
[format_out_0_0 @ 0x555bf302adc0] Setting 'sample_rates' to value '44100|48000|32000|22050|24000|16000|11025|12000|8000'
[format_out_0_0 @ 0x555bf302adc0] Setting 'channel_layouts' to value '0x4|0x3'
[AVFilterGraph @ 0x555bf33cd880] query_formats: 5 queried, 12 merged, 0 already done, 0 delayed
Output #0, mp3, to 'pipe:':
  Metadata:
    TPE1            : SoundHelix
    TDRC            : 2009
    TCON            : Electronic
    TSSE            : Lavf58.45.100
    Stream #0:0, 0, 1/44100: Audio: mp3 (libmp3lame), 44100 Hz, stereo, fltp, delay 1105, 256 kb/s
    Metadata:
      encoder         : Lavc58.91.100 libmp3lame
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[tls @ 0x555bf3011a80] An unexpected TLS packet was received.
https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3: I/O error
[out_0_0 @ 0x555bf302ab00] EOF on sink link out_0_0:default.
No more output streams to write to, finishing.
[libmp3lame @ 0x555bf33c9b80] Trying to remove 47 more samples than there are in the queue
size=      43kB time=00:00:01.33 bitrate= 261.4kbits/s speed=34.6x
video:0kB audio:42kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.241563%
Input file #0 (https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3):
  Input stream #0:0 (audio): 51 packets read (31933 bytes); 51 frames decoded (58752 samples);
  Total: 51 packets (31933 bytes) demuxed
Output file #0 (pipe:):
  Output stream #0:0 (audio): 51 frames encoded (58752 samples); 52 packets muxed (43467 bytes);
  Total: 52 packets (43467 bytes) muxed
51 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0x555bf3025e80] Statistics: 0 seeks, 53 writeouts
[AVIOContext @ 0x555bf3013cc0] Statistics: 32000 bytes read, 0 seeks
Returning response