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- ffmpeg-0.11.1$ ./ffmpeg -f alsa -ar 8000 -ac 1 -i hw:1,0 -ar 8000 -f mulaw -f rtp rtp://127.0.0.1:1234
- ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
- built on Jun 21 2012 15:48:06 with gcc 4.6.3
- configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --disable-altivec --disable-armv5te --disable-armv6 --disable-vis --shlibdir=/usr/lib/i386-linux-gnu
- WARNING: library configuration mismatch
- avutil configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- avcodec configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- avformat configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- avdevice configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- avfilter configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- swscale configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- swresample configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- postproc configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --cpu=i686 --disable-static --disable-ffprobe --disable-ffmpeg --disable-ffplay --shlibdir=/usr/lib/i386-linux-gnu/i686/cmov
- libavutil 51. 54.100 / 51. 54.100
- libavcodec 54. 23.100 / 54. 23.100
- libavformat 54. 6.100 / 54. 6.100
- libavdevice 54. 0.100 / 54. 0.100
- libavfilter 2. 77.100 / 2. 77.100
- libswscale 2. 1.100 / 2. 1.100
- libswresample 0. 15.100 / 0. 15.100
- libpostproc 52. 0.100 / 52. 0.100
- [alsa @ 0x83524e0] Estimating duration from bitrate, this may be inaccurate
- Guessed Channel Layout for Input Stream #0.0 : mono
- Input #0, alsa, from 'hw:1,0':
- Duration: N/A, start: 1340288893.439969, bitrate: 705 kb/s
- Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
- [aformat @ 0x834a700] auto-inserting filter 'auto-inserted resampler 0' between the filter 'src' and the filter 'aformat'
- [aresample @ 0x834aea0] chl:mono fmt:s16 r:44100Hz -> chl:mono fmt:s16 r:8000Hz
- [rtp @ 0x8361220] Cannot respect max delay: frame size = 0
- Output #0, rtp, to 'rtp://127.0.0.1:1234':
- Metadata:
- encoder : Lavf54.6.100
- Stream #0:0: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
- Stream mapping:
- Stream #0:0 -> #0:0 (pcm_s16le -> pcm_mulaw)
- SDP:
- v=0
- o=- 0 0 IN IP4 127.0.0.1
- s=No Name
- c=IN IP4 127.0.0.1
- t=0 0
- a=tool:libavformat 54.6.100
- m=audio 1234 RTP/AVP 0
- b=AS:64
- Press [q] to stop, [?] for help
- Error in av_buffersink_get_buffer_ref(): Invalid argument
- Segmentation faultme=00:00:48.68 bitrate= 133.9kbits/s
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