ffmpeg started on 2012-06-22 at 14:40:04 Report written to "ffmpeg-20120622-144004.log" Command line: ./ffmpeg -v 9 -loglevel 99 -report -f alsa -ar 8000 -ac 1 -i hw:1,0 -ar 8000 -acodec pcm_alaw -ab 64k -f rtp rtp://127.0.0.1:1234 ffmpeg version N-41796-g1bb30d0 Copyright (c) 2000-2012 the FFmpeg developers built on Jun 22 2012 10:56:44 with gcc 4.6.3 configuration: --enable-libx264 --enable-gpl libavutil 51. 59.100 / 51. 59.100 libavcodec 54. 29.100 / 54. 29.100 libavformat 54. 10.100 / 54. 10.100 libavdevice 54. 0.100 / 54. 0.100 libavfilter 2. 82.100 / 2. 82.100 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 15.100 / 0. 15.100 libpostproc 52. 0.100 / 52. 0.100 [alsa @ 0xa060a60] All info found [alsa @ 0xa060a60] 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: 1340368804.551118, bitrate: 705 kb/s Stream #0:0, 1, 1/1000000: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s [abuffer source @ 0xa05efc0] Setting entry with key 'time_base' to value '1/1000000' [abuffer source @ 0xa05efc0] Setting entry with key 'sample_rate' to value '44100' [abuffer source @ 0xa05efc0] Setting entry with key 'sample_fmt' to value 's16' [abuffer source @ 0xa05efc0] Setting entry with key 'channel_layout' to value '0x4' [abuffer @ 0xa05f400] tb:1/1000000 samplefmt:s16 samplerate: 44100 ch layout:0x4 [aformat @ 0xa05f480] Setting entry with key 'sample_fmts' to value 's16' [aformat @ 0xa05f480] Setting entry with key 'sample_rates' to value '8000' [aformat @ 0xa05f5e0] auto-inserting filter 'auto-inserted resampler 0' between the filter 'Parsed_anull_0' and the filter 'aformat' [auto-inserted resampler 0 @ 0xa05fa80] chl:mono fmt:s16 r:44100Hz -> chl:mono fmt:s16 r:8000Hz [rtp @ 0xa05daa0] Cannot respect max delay: frame size = 0 Output #0, rtp, to 'rtp://127.0.0.1:1234': Metadata: encoder : Lavf54.10.100 Stream #0:0, 0, 1/8000: Audio: pcm_alaw, 8000 Hz, mono, s16, 64 kb/s Stream mapping: Stream #0:0 -> #0:0 (pcm_s16le -> pcm_alaw) Press [q] to stop, [?] for help size= 9kB time=00:00:00.56 bitrate= 133.9kbits/s size= 17kB time=00:00:01.06 bitrate= 134.1kbits/s size= 26kB time=00:00:01.57 bitrate= 134.0kbits/s size= 34kB time=00:00:02.07 bitrate= 134.0kbits/s size= 42kB time=00:00:02.58 bitrate= 134.0kbits/s size= 50kB time=00:00:03.08 bitrate= 134.0kbits/s size= 59kB time=00:00:03.59 bitrate= 134.0kbits/s size= 67kB time=00:00:04.10 bitrate= 134.0kbits/s size= 75kB time=00:00:04.60 bitrate= 134.1kbits/s size= 84kB time=00:00:05.11 bitrate= 134.1kbits/s size= 92kB time=00:00:05.62 bitrate= 134.1kbits/s size= 100kB time=00:00:06.13 bitrate= 134.1kbits/s size= 109kB time=00:00:06.64 bitrate= 134.1kbits/s size= 117kB time=00:00:07.14 bitrate= 134.1kbits/s size= 125kB time=00:00:07.65 bitrate= 134.0kbits/s size= 133kB time=00:00:08.15 bitrate= 134.1kbits/s size= 142kB time=00:00:08.65 bitrate= 134.1kbits/s size= 150kB time=00:00:09.15 bitrate= 134.1kbits/s size= 158kB time=00:00:09.65 bitrate= 134.1kbits/s size= 166kB time=00:00:10.16 bitrate= 134.1kbits/s size= 175kB time=00:00:10.67 bitrate= 134.1kbits/s size= 183kB time=00:00:11.17 bitrate= 134.1kbits/s size= 191kB time=00:00:11.67 bitrate= 134.1kbits/s size= 199kB time=00:00:12.18 bitrate= 134.1kbits/s size= 208kB time=00:00:12.68 bitrate= 134.1kbits/s size= 216kB time=00:00:13.18 bitrate= 134.1kbits/s size= 224kB time=00:00:13.69 bitrate= 134.1kbits/s size= 232kB time=00:00:14.19 bitrate= 134.1kbits/s size= 241kB time=00:00:14.70 bitrate= 134.1kbits/s size= 249kB time=00:00:15.20 bitrate= 134.1kbits/s size= 257kB time=00:00:15.70 bitrate= 134.1kbits/s size= 265kB time=00:00:16.21 bitrate= 134.1kbits/s size= 274kB time=00:00:16.71 bitrate= 134.1kbits/s size= 282kB time=00:00:17.21 bitrate= 134.1kbits/s