test with r and audio

ffmpeg -f v4l2 -r 30 -s 640x360 -i /dev/video0 -f lavfi -i aevalsrc=0 -vcodec h264 -pix_fmt yuv420p -c:a aac -strict -2 -flags +global_header  test30a.flv
ffmpeg version 2.2.11 Copyright (c) 2000-2014 the FFmpeg developers
  built on Dec 30 2014 14:22:51 with gcc 4.8.4 (Gentoo 4.8.4 p1.0, pie-0.6.1)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared --cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++ --ar=x86_64-pc-linux-gnu-ar --optflags='-O2 -pipe -march=core-avx2 -fomit-frame-pointer -mtune=core-avx2 -fno-stack-protector' --extra-cflags='-O2 -pipe -march=core-avx2 -fomit-frame-pointer -mtune=core-avx2 -fno-stack-protector' --extra-cxxflags='-O2 -pipe -march=core-avx2 -fomit-frame-pointer -mtune=core-avx2 -fno-stack-protector' --disable-static --enable-gpl --enable-postproc --enable-avfilter --enable-avresample --disable-stripping --enable-version3 --disable-indev=oss --disable-indev=jack --disable-outdev=oss --enable-bzlib --disable-runtime-cpudetect --disable-debug --disable-doc --disable-gnutls --enable-hardcoded-tables --enable-iconv --enable-network --disable-openssl --enable-ffplay --enable-vaapi --disable-vdpau --enable-zlib --enable-libvo-aacenc --disable-libvo-amrwbenc --enable-libmp3lame --disable-libaacplus --disable-libfaac --disable-libtheora --disable-libtwolame --disable-libwavpack --disable-libwebp --enable-libx264 --disable-libx265 --enable-libxvid --disable-libcdio --disable-libiec61883 --disable-libdc1394 --disable-libcaca --disable-openal --enable-opengl --disable-libv4l2 --enable-libpulse --enable-x11grab --disable-libflite --disable-frei0r --disable-fontconfig --disable-ladspa --disable-libass --enable-libfreetype --disable-libsoxr --enable-pthreads --disable-libopencore-amrwb --disable-libopencore-amrnb --disable-libfdk-aac --disable-libopenjpeg --disable-libbluray --disable-libcelt --disable-libgme --disable-libgsm --disable-libmodplug --disable-libopus --disable-libquvi --disable-librtmp --disable-libssh --disable-libschroedinger --disable-libspeex --enable-libvorbis --disable-libvpx --disable-libzvbi --disable-armv5te --disable-armv6 --disable-armv6t2 --disable-neon --disable-vfp --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --disable-mipsfpu --disable-altivec --disable-amd3dnow --disable-amd3dnowext --disable-fma3 --disable-fma4 --disable-mmxext --disable-sse4 --disable-sse42 --cpu=core-avx2
  libavutil      52. 66.100 / 52. 66.100
  libavcodec     55. 52.102 / 55. 52.102
  libavformat    55. 33.100 / 55. 33.100
  libavdevice    55. 10.100 / 55. 10.100
  libavfilter     4.  2.100 /  4.  2.100
  libavresample   1.  2.  0 /  1.  2.  0
  libswscale      2.  5.102 /  2.  5.102
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 7291.590363, bitrate: 110592 kb/s
    Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x360, 110592 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
Input #1, lavfi, from 'aevalsrc=0':
  Duration: N/A, start: 0.000000, bitrate: 2822 kb/s
    Stream #1:0: Audio: pcm_f64le, 44100 Hz, mono, dbl, 2822 kb/s
File 'test30a.flv' already exists. Overwrite ? [y/N] y
[libx264 @ 0xecd690] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX AVX2 FMA3 LZCNT BMI2
[libx264 @ 0xecd690] profile High, level 3.0
[libx264 @ 0xecd690] 264 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'test30a.flv':
  Metadata:
    encoder         : Lavf55.33.100
    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 640x360, q=-1--1, 1k tbn, 30 tbc
    Stream #0:1: Audio: aac ([10][0][0][0] / 0x000A), 44100 Hz, mono, fltp, 128 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo -> libx264)
  Stream #1:0 -> #0:1 (pcm_f64le -> aac)
Press [q] to stop, [?] for help
frame=   46 fps=0.0 q=0.0 size=     276kB time=00:05:20.76 bitrate=   7.0kbits/s[flv @ 0xeccda0] Packets are not in the proper order with respect to DTS
av_interleaved_write_frame(): Invalid argument
frame=   57 fps= 48 q=-1.0 Lsize=     474kB time=00:08:54.43 bitrate=   7.3kbits/s
video:8kB audio:91kB subtitle:0 data:0 global headers:0kB muxing overhead 377.623260%
[libx264 @ 0xecd690] frame I:1     Avg QP:24.91  size:  7292
[libx264 @ 0xecd690] frame P:56    Avg QP:24.96  size:  4842
[libx264 @ 0xecd690] mb I  I16..4: 30.0% 66.7%  3.3%
[libx264 @ 0xecd690] mb P  I16..4:  4.6%  9.7%  0.2%  P16..4: 53.2% 11.5% 14.1%  0.0%  0.0%    skip: 6.8%
[libx264 @ 0xecd690] 8x8 transform intra:66.9% inter:82.9%
[libx264 @ 0xecd690] coded y,uvDC,uvAC intra: 47.1% 96.0% 71.9% inter: 30.3% 78.8% 8.3%
[libx264 @ 0xecd690] i16 v,h,dc,p: 90%  5%  3%  2%
[libx264 @ 0xecd690] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  7%  8% 40%  8%  8%  5%  8%  7%  8%
[libx264 @ 0xecd690] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 14% 15% 24% 10% 11%  6%  8%  6%  6%
[libx264 @ 0xecd690] i8c dc,h,v,p: 60% 16% 15%  9%
[libx264 @ 0xecd690] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0xecd690] ref P L0: 42.8%  6.1% 31.1% 20.1%
[libx264 @ 0xecd690] kb/s:1172.49
Conversion failed!