[FFmpeg-trac] #6678(avformat:new): Read raw amr streams

[FFmpeg]

#6678: Read raw amr streams
-------------------------------------+------------------------------------
             Reporter:  simonb       |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  amr          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------

Comment (by simonb):

 The patch seems to have fixed it. I can probe the stream now correctly
 plus ffmpeg processes the stream OK.

 Many thanks


 {{{
 ~/Documents/Source/ffmpeg/ffmpeg-static $ bin/ffprobe -v 9 -loglevel 99 -f
 amrwb udp://@239.200.10.0:1234
 ffprobe version N-87397-g6bf48c4 Copyright (c) 2007-2017 the FFmpeg
 developers
   built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
   configuration: --prefix=/home/simonb/Documents/Source/ffmpeg/ffmpeg-
 static/target --pkg-config-flags=--static --extra-
 cflags=-I/home/simonb/Documents/Source/ffmpeg/ffmpeg-static/target/include
 --extra-ldflags=-L/home/simonb/Documents/Source/ffmpeg/ffmpeg-
 static/target/lib --extra-ldexeflags=-static
 --bindir=/home/simonb/Documents/Source/ffmpeg/ffmpeg-static/bin --enable-
 pic --enable-ffplay --enable-ffserver --enable-fontconfig --enable-frei0r
 --enable-gpl --enable-version3 --enable-libass --enable-libfribidi
 --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-librtmp --enable-libsoxr --enable-libspeex
 --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-
 libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-
 libx265 --enable-libxvid --enable-libzimg --enable-nonfree --enable-
 openssl
   libavutil      55. 76.100 / 55. 76.100
   libavcodec     57.106.101 / 57.106.101
   libavformat    57. 82.101 / 57. 82.101
   libavdevice    57.  8.101 / 57.  8.101
   libavfilter     6.106.100 /  6.106.100
   libswscale      4.  7.103 /  4.  7.103
   libswresample   2.  8.100 /  2.  8.100
   libpostproc    54.  6.100 / 54.  6.100
 [amrwb @ 0x34828c0] Opening 'udp://@239.200.10.0:1234' for reading
 [udp @ 0x3483200] No default whitelist set
 [udp @ 0x3483200] end receive buffer size reported is 131072
 [amrwb @ 0x34828c0] Before avformat_find_stream_info() pos: 0 bytes
 read:37 seeks:0 nb_streams:1
 [amrwb @ 0x34828c0] All info found
 [amrwb @ 0x34828c0] stream 0: start_time: -576460752303423.500 duration:
 -576460752303423.500
 [amrwb @ 0x34828c0] format: start_time: -9223372036854.775 duration:
 -9223372036854.775 bitrate=14 kb/s
 [amrwb @ 0x34828c0] After avformat_find_stream_info() pos: 1850 bytes
 read:1850 seeks:0 frames:50
 Input #0, amrwb, from 'udp://@239.200.10.0:1234':
   Duration: N/A, bitrate: 14 kb/s
     Stream #0:0, 50, 1/16000: Audio: amr_wb (sawb / 0x62776173), 16000 Hz,
 mono, flt
 [AVIOContext @ 0x34a3660] Statistics: 1850 bytes read, 0 seeks
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/6678#comment:3>
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