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• How can I play libvorbis(ogg) streams using ffplay received with udp ?

  31 mars 2017, par crisman

  ffmpeg

  ffmpeg -f dshow -i audio="virtual-audio-capturer" -codec:a libvorbis -b:a 128k -ac 2 -ar 48000 -f mpegts udp://127.0.0.1:1111

  ffplay

  ffplay -codec:a libvorbis -b:a 128k -ar 48000 -ac 2 udp://127.0.0.1:1111

  not playing audio.

  ---

  Other codecs play back working, example below.

  aac working

  ffmpeg -f dshow -i audio="virtual-audio-capturer" -codec:a aac -b:a 128k -ac 2 -ar 48000 -f mpegts udp://127.0.0.1:1111
  
  ffplay -codec:a aac -b:a 128k -ar 48000 -ac 2 udp://127.0.0.1:1111

  opus codec working

  ffmpeg -f dshow -i audio="virtual-audio-capturer" -codec:a libopus -b:a 128k -ac 2 -ar 48000 -f mpegts udp://127.0.0.1:1111
  
  ffplay -codec:a libopus -b:a 128k -ar 48000 -ac 2 udp://127.0.0.1:1111

  mp3 working

  ffmpeg -f dshow -i audio="virtual-audio-capturer" -codec:a mp3 -b:a 128k -ac 2 -ar 48000 -f mpegts udp://127.0.0.1:1111
  
  ffplay -codec:a mp3 -b:a 128k -ar 48000 -ac 2 udp://127.0.0.1:1111

  ---

  why libvorbis not working ?

  transport success, but can not play, i think.

  // not woring ffplay displayed log
  
  ffplay.exe -loglevel debug -codec:a vorbis -b:a 128k -ar 48000 -ac 2 -sync audio -i udp://127.0.0.1:1111
  
  ffplay version N-83781-g3016e91 Copyright (c) 2003-2017 the FFmpeg developers
  
  built with gcc 6.3.0 (GCC)
  
  configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  
  libavutil 55. 48.100 / 55. 48.100
  
  libavcodec 57. 82.102 / 57. 82.102
  
  libavformat 57. 66.103 / 57. 66.103
  
  libavdevice 57. 3.100 / 57. 3.100
  
  libavfilter 6. 74.100 / 6. 74.100
  
  libswscale 4. 3.101 / 4. 3.101
  
  libswresample 2. 4.100 / 2. 4.100
  
  libpostproc 54. 2.100 / 54. 2.100
  
  [udp @ 0000000000b68700] No default whitelist set sq= 0B f=0/0
  
  [udp @ 0000000000b68700] end receive buffer size reported is 65536
  
  [mpegts @ 0000000000b68ac0] Format mpegts probed with size=2048 and score=50
  
  [mpegts @ 0000000000b68ac0] stream=0 stream_type=6 pid=100 prog_reg_desc=
  
  [mpegts @ 0000000000b68ac0] Before avformat_find_stream_info() pos: 0 bytes read:8208 seeks:0 nb_streams:1
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2500
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2499
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2498
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2497
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2496
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2495
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2494= 0B f=0/0
  
  [mpegts @ 0000000000b68ac0] Probe with size=10038, packets=7 detected mp3 with score=1
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2493= 0B f=0/0
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2492= 0B f=0/0
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2491= 0B f=0/0
  
  [mpegts @ 0000000000b68ac0] Probe with size=18321, packets=10 detected mp3 with score=1
  
  [mpegts @ 0000000000b68ac0] probing stream 0 pp:2490= 0B f=0/0

• FFMPEG/AVCONV Video flipping is taking long time, How can we reduce the process time ?

  10 juillet 2014, par Prasanth P

  I am trying to flip video using FFMPEG/AVCONV on Ubuntu. When it flips 1 minute video, it takes 12 to 40 seconds for processing and conversion.

  ffmpeg is deprecated and avconv is being using instead.

  Video file size : 7mb, Duration : 1 minute

  avconv -i 1_1.mp4 -c:v libx264 -c:a copy -vf "vflip" conv.mp4

  and the result is :

  avconv version 0.8.12-4:0.8.12-0ubuntu0.12.04.1, Copyright (c) 2000-2014 the Libav developers
  
    built on Jun 10 2014 15:32:44 with gcc 4.6.3
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1_1.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42mp41
  
      creation_time   : 2013-06-06 07:42:07
  
    Duration: 00:03:45.15, start: 0.000000, bitrate: 266 kb/s
  
      Stream #0.0(eng): Video: h264 (High), yuv420p, 640x360 [PAR 1:1 DAR 16:9], 216 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc
  
      Metadata:
  
        creation_time   : 2013-06-06 07:42:07
  
      Stream #0.1(eng): Audio: aac, 32000 Hz, mono, s16, 46 kb/s
  
      Metadata:
  
        creation_time   : 2013-06-06 07:42:07
  
  [buffer @ 0x972c240] w:640 h:360 pixfmt:yuv420p
  
  [libx264 @ 0x9745e20] using SAR=1/1
  
  [libx264 @ 0x9745e20] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
  
  [libx264 @ 0x9745e20] profile Main, level 3.0
  
  [libx264 @ 0x9745e20] 264 - core 120 r2151 a3f4407 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=0 open_gop=1 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=1.25 aq=1:1.00
  
  Output #0, mp4, to 'conv.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42mp41
  
      creation_time   : 2013-06-06 07:42:07
  
      encoder         : Lavf53.21.1
  
      Stream #0.0(eng): Video: libx264, yuv420p, 640x360 [PAR 1:1 DAR 16:9], q=-1--1, 25 tbn, 25 tbc
  
      Metadata:
  
        creation_time   : 2013-06-06 07:42:07
  
      Stream #0.1(eng): Audio: libvo_aacenc, 32000 Hz, mono, 46 kb/s
  
      Metadata:
  
        creation_time   : 2013-06-06 07:42:07
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 -> libx264)
  
    Stream #0:1 -> #0:1 (copy)
  
  Press ctrl-c to stop encoding
  
  frame= 5627 fps=153 q=-1.0 Lsize=    7880kB time=225.04 bitrate= 286.9kbits/s    
  
  video:6487kB audio:1271kB global headers:0kB muxing overhead 1.580010%
  
  [libx264 @ 0x9745e20] frame I:27    Avg QP:15.59  size: 19598
  
  [libx264 @ 0x9745e20] frame P:1478  Avg QP:20.11  size:  3175
  
  [libx264 @ 0x9745e20] frame B:4122  Avg QP:29.13  size:   344
  
  [libx264 @ 0x9745e20] consecutive B-frames:  1.9%  0.5%  2.1% 95.5%
  
  [libx264 @ 0x9745e20] mb I  I16..4: 20.1%  0.0% 79.9%
  
  [libx264 @ 0x9745e20] mb P  I16..4:  1.2%  0.0%  1.7%  P16..4: 23.9% 12.3%  5.6%  0.0%  0.0%    skip:55.2%
  
  [libx264 @ 0x9745e20] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8: 18.4%  2.3%  0.2%  direct: 0.3%  skip:78.8%  L0:41.7% L1:51.7% BI: 6.6%
  
  [libx264 @ 0x9745e20] coded y,uvDC,uvAC intra: 64.4% 44.0% 15.7% inter: 4.3% 4.8% 0.2%
  
  [libx264 @ 0x9745e20] i16 v,h,dc,p: 40% 19% 13% 28%
  
  [libx264 @ 0x9745e20] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 22% 17%  5%  7%  6%  6%  5%  4%
  
  [libx264 @ 0x9745e20] i8c dc,h,v,p: 65% 13% 19%  3%
  
  [libx264 @ 0x9745e20] Weighted P-Frames: Y:1.9% UV:1.2%
  
  [libx264 @ 0x9745e20] ref P L0: 72.8%  7.2% 13.5%  6.4%  0.0%
  
  [libx264 @ 0x9745e20] ref B L0: 91.2%  8.8%
  
  [libx264 @ 0x9745e20] kb/s:236.07

  And time taken is 13 seconds.

• ffmpeg slideshow not working

  4 février 2013, par Benjen

  I am trying to create a simple slideshow video based on two images ('ocean001.jpg' and 'ocean002.jpg'). I am using the command as listed in the ffmpeg documentation, but i always end up with a blank (e.g. black) video file 15 seconds in duration.

  I have checked to confirm that the two image files are the same size. Both are 1024x768px.There are also no errors reported.

  Can anyone tell me what I am doing wrong ?

  Here is the output of the command I am using :

  ffmpeg -f image2 -r 1/15 -i ocean%03d.jpg -vcodec libx264 out.mp4

  Below is the output of the above command :

  ffmpeg version 1.0 Copyright (c) 2000-2012 the FFmpeg developers
  
    built on Sep 29 2012 11:22:50 with gcc 4.7.1 (GCC) 20120721 (prerelease)
  
    configuration: --prefix=/usr --enable-libmp3lame --enable-libvorbis --enable-libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-libgsm --enable-libspeex --enable-postproc --enable-shared --enable-x11grab --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libschroedinger --enable-libopenjpeg --enable-librtmp --enable-libpulse --enable-libv4l2 --enable-gpl --enable-version3 --enable-runtime-cpudetect --disable-debug --disable-static
  
    libavutil      51. 73.101 / 51. 73.101
  
    libavcodec     54. 59.100 / 54. 59.100
  
    libavformat    54. 29.104 / 54. 29.104
  
    libavdevice    54.  2.101 / 54.  2.101
  
    libavfilter     3. 17.100 /  3. 17.100
  
    libswscale      2.  1.101 /  2.  1.101
  
    libswresample   0. 15.100 /  0. 15.100
  
    libpostproc    52.  0.100 / 52.  0.100
  
  Input #0, image2, from 'ocean%03d.jpg':
  
    Duration: 00:00:30.00, start: 0.000000, bitrate: N/A
  
      Stream #0:0: Video: mjpeg, yuvj444p, 1024x768 [SAR 72:72 DAR 4:3], 1 tbr, 0.07 tbn, 0.07 tbc
  
  [libx264 @ 0x22debc0] using SAR=1/1
  
  [libx264 @ 0x22debc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle Cache64
  
  [libx264 @ 0x22debc0] profile High, level 3.1
  
  [libx264 @ 0x22debc0] 264 - core 124 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - 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=1 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=1 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, mp4, to 'out.mp4':
  
    Metadata:
  
      encoder         : Lavf54.29.104
  
      Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuvj420p, 1024x768 [SAR 1:1 DAR 4:3], q=-1--1, 1 tbn, 0.07 tbc
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (mjpeg -> libx264)
  
  Press [q] to stop, [?] for help
  
  frame=    2 fps=0.0 q=17.0 Lsize=     215kB time=00:00:30.00 bitrate=  58.7kbits/s    
  
  video:214kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.363298%
  
  [libx264 @ 0x22debc0] frame I:1     Avg QP:16.68  size:132919
  
  [libx264 @ 0x22debc0] frame P:1     Avg QP:14.27  size: 85767
  
  [libx264 @ 0x22debc0] mb I  I16..4:  0.0% 100.0%  0.0%
  
  [libx264 @ 0x22debc0] mb P  I16..4:  8.1% 82.9%  9.0%  P16..4:  0.0%  0.0%  0.0%  0.0%  0.0%    skip: 0.0%
  
  [libx264 @ 0x22debc0] 8x8 transform intra:91.5% inter:100.0%
  
  [libx264 @ 0x22debc0] coded y,uvDC,uvAC intra: 97.6% 96.7% 80.8% inter: 100.0% 100.0% 100.0%
  
  [libx264 @ 0x22debc0] i16 v,h,dc,p:  1%  3%  1% 96%
  
  [libx264 @ 0x22debc0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 18% 28%  7%  5%  5%  7%  7% 11%
  
  [libx264 @ 0x22debc0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 16% 12%  8% 10%  8%  6%  8%  5%
  
  [libx264 @ 0x22debc0] i8c dc,h,v,p: 39% 25% 16% 20%
  
  [libx264 @ 0x22debc0] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0x22debc0] kb/s:58.32