[FFmpeg-trac] #4203(ffmpeg:new): "Non-monotonous DTS in output stream": pulseaudio issue?

FFmpeg trac at avcodec.org
Tue Dec 23 05:08:13 CET 2014


#4203: "Non-monotonous DTS in output stream": pulseaudio issue?
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  DanielFragaBR                      |                 Priority:  normal
               Status:  new          |                  Version:  git-
            Component:  ffmpeg       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I get the following with GIT:

 ffmpeg started on 2014-12-22 at 21:01:46
 Report written to "ffmpeg-20141222-210146.log"
 Command line:
 /usr/local/bin/ffmpeg -report -xerror -loglevel info -f x11grab -framerate
 25 -video_size 1920x1200 -i :0.0+0,0 -dcodec copy -f alsa -i pulse
 -audio_service_type co -vol 512 -vcodec libx264 -acodec libmp3lame -y
 /home/fraga/src/qx11grab.mp4
 ffmpeg version N-68650-gfe439c2 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Dec 22 2014 20:35:32 with gcc 4.9.2 (GCC)
   configuration: --enable-shared --extra-ldflags=-L/usr/local/lib64
 --enable-gpl --enable-postproc --enable-x11grab --enable-libx264 --enable-
 libx265 --enable-libvorbis --enable-nonfree --enable-libfaac --enable-
 libmp3lame --enable-libbluray --disable-ffserver --enable-libvpx --enable-
 libpulse
   libavutil      54. 15.100 / 54. 15.100
   libavcodec     56. 16.100 / 56. 16.100
   libavformat    56. 16.101 / 56. 16.101
   libavdevice    56.  3.100 / 56.  3.100
   libavfilter     5.  4.100 /  5.  4.100
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100
 Splitting the commandline.
 Reading option '-report' ... matched as option 'report' (generate a
 report) with argument '1'.
 Reading option '-xerror' ... matched as option 'xerror' (exit on error)
 with argument '1'.
 Reading option '-loglevel' ... matched as option 'loglevel' (set logging
 level) with argument 'info'.
 Reading option '-f' ... matched as option 'f' (force format) with argument
 'x11grab'.
 Reading option '-framerate' ... matched as AVOption 'framerate' with
 argument '25'.
 Reading option '-video_size' ... matched as AVOption 'video_size' with
 argument '1920x1200'.
 Reading option '-i' ... matched as input file with argument ':0.0+0,0'.
 Reading option '-dcodec' ... matched as option 'dcodec' (force data codec
 ('copy' to copy stream)) with argument 'copy'.
 Reading option '-f' ... matched as option 'f' (force format) with argument
 'alsa'.
 Reading option '-i' ... matched as input file with argument 'pulse'.
 Reading option '-audio_service_type' ... matched as AVOption
 'audio_service_type' with argument 'co'.
 Reading option '-vol' ... matched as option 'vol' (change audio volume
 (256=normal)) with argument '512'.
 Reading option '-vcodec' ... matched as option 'vcodec' (force video codec
 ('copy' to copy stream)) with argument 'libx264'.
 Reading option '-acodec' ... matched as option 'acodec' (force audio codec
 ('copy' to copy stream)) with argument 'libmp3lame'.
 Reading option '-y' ... matched as option 'y' (overwrite output files)
 with argument '1'.
 Reading option '/home/fraga/src/qx11grab.mp4' ... matched as output file.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option report (generate a report) with argument 1.
 Applying option xerror (exit on error) with argument 1.
 Applying option loglevel (set logging level) with argument info.
 Applying option vol (change audio volume (256=normal)) with argument 512.
 Applying option y (overwrite output files) with argument 1.
 Successfully parsed a group of options.
 Parsing a group of options: input file :0.0+0,0.
 Applying option f (force format) with argument x11grab.
 Successfully parsed a group of options.
 Opening an input file: :0.0+0,0.
 [x11grab @ 0x9d1980] All info found
 Input #0, x11grab, from ':0.0+0,0':
   Duration: N/A, start: 1419289306.274129, bitrate: N/A
     Stream #0:0, 1, 1/1000000: Video: rawvideo (BGR[0] / 0x524742), bgr0,
 1920x1200, 25 fps, 25 tbr, 1000k tbn, 25 tbc
 Successfully opened the file.
 Parsing a group of options: input file pulse.
 Applying option dcodec (force data codec ('copy' to copy stream)) with
 argument copy.
 Applying option f (force format) with argument alsa.
 Successfully parsed a group of options.
 Opening an input file: pulse.
 [alsa @ 0x9d8c40] All info found
 Guessed Channel Layout for  Input Stream #1.0 : stereo
 Input #1, alsa, from 'pulse':
   Duration: N/A, start: 1419289306.287454, bitrate: 1536 kb/s
     Stream #1:0, 1, 1/1000000: Audio: pcm_s16le, 48000 Hz, 2 channels,
 s16, 1536 kb/s
 Successfully opened the file.
 Parsing a group of options: output file /home/fraga/src/qx11grab.mp4.
 Applying option vcodec (force video codec ('copy' to copy stream)) with
 argument libx264.
 Applying option acodec (force audio codec ('copy' to copy stream)) with
 argument libmp3lame.
 Successfully parsed a group of options.
 Opening an output file: /home/fraga/src/qx11grab.mp4.
 Successfully opened the file.
 detected 8 logical cores
 [graph 0 input from stream 0:0 @ 0x9c7ca0] Setting 'video_size' to value
 '1920x1200'
 [graph 0 input from stream 0:0 @ 0x9c7ca0] Setting 'pix_fmt' to value
 '298'
 [graph 0 input from stream 0:0 @ 0x9c7ca0] Setting 'time_base' to value
 '1/1000000'
 [graph 0 input from stream 0:0 @ 0x9c7ca0] Setting 'pixel_aspect' to value
 '0/1'
 [graph 0 input from stream 0:0 @ 0x9c7ca0] Setting 'sws_param' to value
 'flags=2'
 [graph 0 input from stream 0:0 @ 0x9c7ca0] Setting 'frame_rate' to value
 '25/1'
 [graph 0 input from stream 0:0 @ 0x9c7ca0] w:1920 h:1200 pixfmt:bgr0
 tb:1/1000000 fr:25/1 sar:0/1 sws_param:flags=2
 [format @ 0x9c7ec0] compat: called with
 args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16]
 [format @ 0x9c7ec0] Setting 'pix_fmts' to value
 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16'
 [auto-inserted scaler 0 @ 0xa1a400] Setting 'flags' to value '0x4'
 [auto-inserted scaler 0 @ 0xa1a400] w:iw h:ih flags:'0x4' interl:0
 [format @ 0x9c7ec0] auto-inserting filter 'auto-inserted scaler 0' between
 the filter 'Parsed_null_0' and the filter 'format'
 [AVFilterGraph @ 0x9c7de0] query_formats: 4 queried, 2 merged, 1 already
 done, 0 delayed
 [auto-inserted scaler 0 @ 0xa1a400] picking yuv444p out of 7 ref:bgr0
 alpha:0
 [auto-inserted scaler 0 @ 0xa1a400] w:1920 h:1200 fmt:bgr0 sar:0/1 ->
 w:1920 h:1200 fmt:yuv444p sar:0/1 flags:0x4
 No pixel format specified, yuv444p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [graph 1 input from stream 1:0 @ 0xa1a300] Setting 'time_base' to value
 '1/48000'
 [graph 1 input from stream 1:0 @ 0xa1a300] Setting 'sample_rate' to value
 '48000'
 [graph 1 input from stream 1:0 @ 0xa1a300] Setting 'sample_fmt' to value
 's16'
 [graph 1 input from stream 1:0 @ 0xa1a300] Setting 'channel_layout' to
 value '0x3'
 [graph 1 input from stream 1:0 @ 0xa1a300] tb:1/48000 samplefmt:s16
 samplerate:48000 chlayout:0x3
 -vol has been deprecated. Use the volume audio filter instead.
 -vol is forwarded to lavfi similarly to -af volume=2.000000.
 [graph 1 volume for input stream 1:0 @ 0x9b2b20] Setting 'volume' to value
 '2.000000'
 [audio format for output stream 0:1 @ 0x9ac1e0] Setting 'sample_fmts' to
 value 's32p|fltp|s16p'
 [audio format for output stream 0:1 @ 0x9ac1e0] Setting 'sample_rates' to
 value '44100|48000|32000|22050|24000|16000|11025|12000|8000'
 [audio format for output stream 0:1 @ 0x9ac1e0] Setting 'channel_layouts'
 to value '0x4|0x3'
 [graph 1 volume for input stream 1:0 @ 0x9b2b20] auto-inserting filter
 'auto-inserted resampler 0' between the filter 'graph 1 input from stream
 1:0' and the filter 'graph 1 volume for input stream 1:0'
 [AVFilterGraph @ 0x9b3a00] query_formats: 5 queried, 9 merged, 3 already
 done, 0 delayed
 [auto-inserted resampler 0 @ 0xa27c40] ch:2 chl:stereo fmt:s16 r:48000Hz
 -> ch:2 chl:stereo fmt:fltp r:48000Hz
 [auto-inserted resampler 0 @ 0xa27c40] tb:0.000021
 sample_rate:48000.000000 nb_channels:2.000000
 [graph 1 volume for input stream 1:0 @ 0x9b2b20] n:nan t:nan pts:nan
 precision:float volume:2.000000 volume_dB:6.020600
 [libx264 @ 0xa18800] using mv_range_thread = 40
 [libx264 @ 0xa18800] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX
 [libx264 @ 0xa18800] profile High 4:4:4 Predictive, level 5.0, 4:4:4 8-bit
 [libx264 @ 0xa18800] 264 - core 144 r2525 40bb568 - 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=4 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, mp4, to '/home/fraga/src/qx11grab.mp4':
   Metadata:
     encoder         : Lavf56.16.101
     Stream #0:0, 0, 1/12800: Video: h264 (libx264) ([33][0][0][0] /
 0x0021), yuv444p, 1920x1200, q=-1--1, 25 fps, 12800 tbn, 25 tbc
     Metadata:
       encoder         : Lavc56.16.100 libx264
     Stream #0:1, 0, 1/48000: Audio: mp3 (libmp3lame) (i[0][0][0] /
 0x0069), 48000 Hz, stereo, fltp
     Metadata:
       encoder         : Lavc56.16.100 libmp3lame
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
   Stream #1:0 -> #0:1 (pcm_s16le (native) -> mp3 (libmp3lame))
 Press [q] to stop, [?] for help
 frame=   14 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 ^Mframe=   28 fps= 27 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 ^Mframe=   40 fps= 26 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 ^Mframe=   53 fps= 26 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 ^M[libx264 @ 0xa18800] frame=   0 QP=24.66 NAL=3 Slice:I Poc:0   I:9000
 P:0    SKIP:0    size=176823 bytes
 [libx264 @ 0xa18800] frame=   1 QP=27.49 NAL=2 Slice:P Poc:2   I:3807
 P:357  SKIP:4836 size=155402 bytes
 [libx264 @ 0xa18800] frame=   2 QP=20.07 NAL=2 Slice:P Poc:4   I:3446
 P:603  SKIP:4951 size=206487 bytes
 [libx264 @ 0xa18800] frame=   3 QP=23.09 NAL=2 Slice:P Poc:12  I:56
 P:1271 SKIP:7673 size=12114 bytes
 [libmp3lame @ 0xa1c380] Queue input is backward in time
 [libmp3lame @ 0xa1c380] Queue input is backward in time
 [mp4 @ 0xa17780] Non-monotonous DTS in output stream 0:1; previous: 47,
 current: -2463; aborting.
 [AVIOContext @ 0xa15540] Statistics: 0 seeks, 21 writeouts
 [libx264 @ 0xa18800] frame I:1     Avg QP:24.66  size:176823
 [libx264 @ 0xa18800] frame P:3     Avg QP:23.55  size:124668
 [libx264 @ 0xa18800] mb I  I16..4: 34.9% 28.6% 36.5%
 [libx264 @ 0xa18800] mb P  I16..4:  2.5%  6.4% 18.2%  P16..4:  5.8%  1.1%
 1.3%  0.0%  0.0%    skip:64.7%
 [libx264 @ 0xa18800] 8x8 transform intra:26.4% inter:7.5%
 [libx264 @ 0xa18800] coded y,u,v intra: 37.2% 7.0% 6.5% inter: 4.8% 0.5%
 0.6%
 [libx264 @ 0xa18800] i16 v,h,dc,p: 74% 25%  1%  0%
 [libx264 @ 0xa18800] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 77%  8% 15%  0%  0%
 0%  0%  0%  0%
 [libx264 @ 0xa18800] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 44% 22% 16%  2%  4%
 2%  4%  2%  3%
 [libx264 @ 0xa18800] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0xa18800] ref P L0: 74.1% 12.4% 13.4%  0.1%
 [libx264 @ 0xa18800] kb/s:27541.30
 [libmp3lame @ 0xa1c380] 4 frames left in the queue on closing
 Conversion failed!

 ********************

 If I grab just the video (not audio), it works fine, like in:

 /usr/local/bin/ffmpeg -xerror -loglevel info -f x11grab -framerate 25
 -video_size 1920x1200 -i :0.0+0,0 -dcodec copy -vcodec libx264 -y
 /home/fraga/src/qx11grab.mp4

 Any hints?

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4203>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


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