[FFmpeg-user] Is there a better way to get/see stats when downloading videos via youtube-dl
shirish शिरीष
shirishag75 at gmail.com
Sun Oct 23 21:24:32 EEST 2016
Hi all,
First of all thank you for developing and maintaining ffmpeg for so
many years. esp. with the numerous encoders and decoders that you
provide so we could view, record, encode and decode videos.
Please CC me as I'm not subscribed to the list.
Now I have been thinking of below for quite some-time.
While I'm using youtube-dl, it seems internally it uses ffmpeg -
[HotStar] xxxxxxxxxxx: Downloading JSON metadata
[HotStar] xxxxxxxxxxx: Downloading TABLET JSON metadata
[HotStar] xxxxxxxxxxx: Downloading m3u8 information
[download] Destination: xxxxxxxx!-xxxxxxxxxxx.mp4
ffmpeg version 3.1.4-1 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 6.2.0 (Debian 6.2.0-6) 20161010
configuration: --prefix=/usr --extra-version=1 --toolchain=hardened
--libdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared
--disable-libtesseract --disable-stripping
--disable-decoder=libschroedinger --enable-avresample
--enable-avisynth --enable-gnutls --enable-ladspa --enable-libass
--enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio
--enable-libebur128 --enable-libflite --enable-libfontconfig
--enable-libfreetype --enable-libfribidi --enable-libgme
--enable-libgsm --enable-libmodplug --enable-libmp3lame
--enable-libopenjpeg --enable-libopus --enable-libpulse
--enable-librubberband --enable-libschroedinger --enable-libshine
--enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
--enable-libtheora --enable-libtwolame --enable-libvorbis
--enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265
--enable-libxvid --enable-libzmq --enable-libzvbi --enable-openal
--enable-opengl --enable-x11grab --enable-libdc1394
--enable-libiec61883 --enable-frei0r --enable-chromaprint
--enable-libopencv --enable-libx264
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 47.100 / 6. 47.100
libavresample 3. 0. 0 / 3. 0. 0
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
[h264 @ 0x207f8a0] non-existing SPS 0 referenced in buffering period
[h264 @ 0x207f8a0] SPS unavailable in decode_picture_timing
[h264 @ 0x207f8a0] non-existing SPS 0 referenced in buffering period
[h264 @ 0x207f8a0] SPS unavailable in decode_picture_timing
[hls,applehttp @ 0x1bbed60] No longer receiving playlist 0
[hls,applehttp @ 0x1bbed60] Now receiving playlist 0, segment 1
Input #0, hls,applehttp, from
'https://staragvod3-vh.akamaihd.net/i/videos/lifeok/sain/1858/xxxxxxxxxxx_,16,180,400,800,1300,2000,_STAR.mp4.csmil/index_5_av.m3u8?null=0&id=AgB1w2uVaF++Fz25DFgkx8PkKfTYNEvgHtaM0inzxM15ZcVodMGV5yZjUyicFzwkcdYTv%2f+0ZQ9rsA%3d%3d':
Duration: 00:41:46.76, start: 0.100667, bitrate: 0 kb/s
Program 0
Metadata:
variant_bitrate : 0
Stream #0:0: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
stereo, fltp, 65 kb/s
[mp4 @ 0x20c4980] Using AVStream.codec to pass codec parameters to
muxers is deprecated, use AVStream.codecpar instead.
Last message repeated 1 times
Output #0, mp4, to 'file:xxxxxxxx-xxxxxxxxxxx.mp4.part':
Metadata:
encoder : Lavf57.41.100
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz,
stereo, 65 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mpegts @ 0x206f420] DTS 9090 < 545490 out of order
[hls,applehttp @ 0x1bbed60] DTS 9090 < 545490 out of order
and then multiple instances of statements like these -
[mp4 @ 0x20c4980] Non-monotonous DTS in output stream 0:0; previous:
536430, current: 30; changing to 536431. This may result in incorrect
timestamps in the output file.
[mp4 @ 0x20c4980] Non-monotonous DTS in output stream 0:1; previous:
287744, current: 0; changing to 287745. This may result in incorrect
timestamps in the output file.
[mp4 @ 0x20c4980] Non-monotonous DTS in output stream 0:1; previous:
287745, current: 1024; changing to 287746. This may result in
incorrect timestamps in the output file.
With the status at -
frame=62819 fps= 11 q=-1.0 Lsize= 633804kB time=00:41:46.75
bitrate=2071.3kbits/s speed=0.428x
video:614305kB audio:18835kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 0.104869%
[ffmpeg] Downloaded 649015556 bytes
[download] 100% of 618.95MiB
Now it is only at the very end that you come to know what is the time
of the whole stream (apart from the beginning if you have looked at)
and the bitrate is in kbits sa well as speed which doesn't tell what
the speed is about. Can all of this be done in some better way ?
I'm looking for better representation of the status in terms of size
(from kB to mB), bitrate from (kbits from Kbytes) and speed which
makes some sense. Is there a way to achieve that ?
Also this seems to be interesting - is there a bug-report about this ?
[mp4 @ 0x20c4980] Using AVStream.codec to pass codec parameters to
muxers is deprecated, use AVStream.codecpar instead.
Is this youtube-dl doing or ffmpeg doing ?
Here are both the outputs of youtube-dl and ffmpeg to get an idea of
the system -
[$] ffmpeg -v "verbose"
ffmpeg version 3.1.4-1 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 6.2.0 (Debian 6.2.0-6) 20161010
configuration: --prefix=/usr --extra-version=1 --toolchain=hardened
--libdir=/usr/lib/x86_64-linux-gnu
--incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared
--disable-libtesseract --disable-stripping
--disable-decoder=libschroedinger --enable-avresample
--enable-avisynth --enable-gnutls --enable-ladspa --enable-libass
--enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio
--enable-libebur128 --enable-libflite --enable-libfontconfig
--enable-libfreetype --enable-libfribidi --enable-libgme
--enable-libgsm --enable-libmodplug --enable-libmp3lame
--enable-libopenjpeg --enable-libopus --enable-libpulse
--enable-librubberband --enable-libschroedinger --enable-libshine
--enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
--enable-libtheora --enable-libtwolame --enable-libvorbis
--enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265
--enable-libxvid --enable-libzmq --enable-libzvbi --enable-openal
--enable-opengl --enable-x11grab --enable-libdc1394
--enable-libiec61883 --enable-frei0r --enable-chromaprint
--enable-libopencv --enable-libx264
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 47.100 / 6. 47.100
libavresample 3. 0. 0 / 3. 0. 0
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile
options] outfile}...
Use -h to get full help or, even better, run 'man ffmpeg'
─[$] youtube-dl --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'--verbose']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.10.21.1
[debug] Python version 2.7.12+ -
Linux-4.7.0-1-amd64-x86_64-with-debian-stretch-sid
[debug] exe versions: ffmpeg 3.1.4-1, ffprobe 3.1.4-1, rtmpdump 2.4
[debug] Proxy map: {}
Usage: youtube-dl [OPTIONS] URL [URL...]
youtube-dl: error: You must provide at least one URL.
Type youtube-dl --help to see a list of all options.
If there are any tickets to follow, please let me know.
Hope the above helps.
--
Regards,
Shirish Agarwal शिरीष अग्रवाल
My quotes in this email licensed under CC 3.0
http://creativecommons.org/licenses/by-nc/3.0/
http://flossexperiences.wordpress.com
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