[FFmpeg-user] ffprobe reported data

[Alvaro Jimenez]

Does FFPROBE report stream info by reading metadata or it actually decodes the stream to report media specs?

H:\>ffprobe -show_streams http://www.bok.net/dash/tears_of_steel/cleartext/stream.mpd >> ffprobe_results.txt
ffprobe version N-90866-g48330500ef Copyright (c) 2007-2018 the FFmpeg developers
  built with gcc 7.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  libavutil      56. 17.100 / 56. 17.100
  libavcodec     58. 19.100 / 58. 19.100
  libavformat    58. 13.100 / 58. 13.100
  libavdevice    58.  4.100 / 58.  4.100
  libavfilter     7. 20.100 /  7. 20.100
  libswscale      5.  2.100 /  5.  2.100
  libswresample   3.  2.100 /  3.  2.100
  libpostproc    55.  2.100 / 55.  2.100
[AVIOContext @ 000001bcb8e39140] The "user-agent" option is deprecated: use the "user_agent" option instead
    Last message repeated 1 times
[http @ 000001bcb8e31100] The "user-agent" option is deprecated: use the "user_agent" option instead
[dash @ 000001bcb8e2d7c0] Could not read complete fragment.
[http @ 000001bcb8e31100] The "user-agent" option is deprecated: use the "user_agent" option instead
[http @ 000001bcb8e5e940] The "user-agent" option is deprecated: use the "user_agent" option instead
[dash @ 000001bcb8e2d7c0] Could not read complete fragment.
[http @ 000001bcb8e5e940] The "user-agent" option is deprecated: use the "user_agent" option instead
[http @ 000001bcb8e7c540] The "user-agent" option is deprecated: use the "user_agent" option instead
[dash @ 000001bcb8e2d7c0] Could not read complete fragment.
[http @ 000001bcb8e7e600] The "user-agent" option is deprecated: use the "user_agent" option instead
[http @ 000001bcb8e8d540] The "user-agent" option is deprecated: use the "user_agent" option instead
[dash @ 000001bcb8e2d7c0] Could not read complete fragment.
[http @ 000001bcb8e8d880] The "user-agent" option is deprecated: use the "user_agent" option instead
[http @ 000001bcb8ea2bc0] The "user-agent" option is deprecated: use the "user_agent" option instead
[dash @ 000001bcb8e2d7c0] Could not read complete fragment.
[http @ 000001bcb8ea54c0] The "user-agent" option is deprecated: use the "user_agent" option instead
[http @ 000001bcb8ece600] The "user-agent" option is deprecated: use the "user_agent" option instead
[dash @ 000001bcb8e2d7c0] Could not read complete fragment.
[http @ 000001bcb8ea8480] The "user-agent" option is deprecated: use the "user_agent" option instead
[http @ 000001bcb8ee9280] The "user-agent" option is deprecated: use the "user_agent" option instead
[dash @ 000001bcb8e2d7c0] Could not read complete fragment.
[http @ 000001bcb8ee9280] The "user-agent" option is deprecated: use the "user_agent" option instead
Input #0, dash, from 'http://www.bok.net/dash/tears_of_steel/cleartext/stream.mpd':
  Duration: 00:12:14.00, start: 0.000000, bitrate: 0 kb/s
  Program 0
    Stream #0:0: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 512x214 [SAR 535:534 DAR 640:267], 12 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Metadata:
      variant_bitrate : 686685
      id              : video/1
    Stream #0:1: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 704x294 [SAR 980:979 DAR 640:267], 16 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Metadata:
      variant_bitrate : 1116150
      id              : video/2
    Stream #0:2: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 512x214 [SAR 535:534 DAR 640:267], 12 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Metadata:
      variant_bitrate : 686685
      id              : video/3
    Stream #0:3: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1024x428 [SAR 535:534 DAR 640:267], 23 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Metadata:
      variant_bitrate : 1929169
      id              : video/4
    Stream #0:4: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1152x482 [SAR 2410:2403 DAR 640:267], 27 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Metadata:
      variant_bitrate : 2362822
      id              : video/5
    Stream #0:5: Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x534 [SAR 1:1 DAR 640:267], 27 kb/s, 24 fps, 24 tbr, 12288 tbn, 48 tbc
    Metadata:
      variant_bitrate : 2470094
      id              : video/6
    Stream #0:6: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 129 kb/s
    Metadata:
      variant_bitrate : 132348
      id              : audio/en





     [http://graphics.hotmail.com/emarrow_right.gif]   Alvaro Jimenez  [http://graphics.hotmail.com/emarrow_left.gif]