[FFmpeg-trac] #4195(undetermined:new): No bitrate reported for FLAC stream

FFmpeg trac at avcodec.org
Thu Dec 18 15:42:44 CET 2014


#4195: No bitrate reported for FLAC stream
-------------------------------------+-------------------------------------
             Reporter:  Đonny        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  FFprobe      |               Blocked By:
  FLAC                               |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 FFprobe does not report bitrate for a stream in a FLAC file, but it
 reports bitrate for the whole file.
 I expect that if bitrate for whole file can be determined, and the file
 contains just one stream, the bitrate for that stream will be more or less
 same as stream of the file.
 How to reproduce:
 {{{
 ffprobe sample.flac -print_format xml -show_streams -show_format
 ffprobe version N-68500-g3ba1050 Copyright (c) 2007-2014 the FFmpeg
 developers
   built on Dec 17 2014 01:55:42 with gcc 4.9.2 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --e
 nable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-
 iconv --enable-li
 bass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-
 libfreetype --enable-li
 bgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-
 libmp3lame --enable-lib
 opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
 libopus --enable-l
 ibrtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex
 --enable-libtheora --en
 able-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-
 amrwbenc --enable
 -libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
 libx264 --enable-
 libx265 --enable-libxavs --enable-libxvid --enable-decklink --enable-zlib
   libavutil      54. 15.100 / 54. 15.100
   libavcodec     56. 15.100 / 56. 15.100
   libavformat    56. 15.105 / 56. 15.105
   libavdevice    56.  3.100 / 56.  3.100
   libavfilter     5.  4.100 /  5.  4.100
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100
 <?xml version="1.0" encoding="UTF-8"?>
 <ffprobe>
 Input #0, flac, from 'sample.flac':
   Duration: 00:00:04.40, start: 0.000000, bitrate: 111 kb/s
     Stream #0:0: Audio: flac, 8000 Hz, mono, s16
     <streams>
         <stream index="0" codec_name="flac" codec_long_name="FLAC (Free
 Lossless Audio Cod
 ec)" codec_type="audio" codec_time_base="1/8000"
 codec_tag_string="[0][0][0][0]" codec_tag
 ="0x0000" sample_fmt="s16" sample_rate="8000" channels="1"
 channel_layout="mono" bits_per_
 sample="0" r_frame_rate="0/0" avg_frame_rate="0/0" time_base="1/8000"
 start_pts="0" start_
 time="0.000000" duration_ts="35195" duration="4.399375"
 bits_per_raw_sample="16">
             <disposition default="0" dub="0" original="0" comment="0"
 lyrics="0" karaoke="
 0" forced="0" hearing_impaired="0" visual_impaired="0" clean_effects="0"
 attached_pic="0"/
 >
         </stream>
     </streams>

     <format filename="sample.flac" nb_streams="1" nb_programs="0"
 format_name="flac" forma
 t_long_name="raw FLAC" start_time="0.000000" duration="4.399375"
 size="61522" bit_rate="11
 1874" probe_score="50"/>
 </ffprobe>
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4195>
FFmpeg <https://ffmpeg.org>
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