June 2012 - FFmpeg-trac - lists.ffmpeg.org

#1157(undetermined:new): Circular buffer overrun with 4+ ffmpeg instances.
by FFmpeg 21 Oct '13

21 Oct '13

#1157: Circular buffer overrun with 4+ ffmpeg instances. --------------------------------------+---------------------------------- Reporter: Involar | Type: defect Status: new | Priority: normal Component: undetermined | Version: 0.10.2 Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | --------------------------------------+---------------------------------- Hello, im trying to launch multiple transcoding instances on an i7 2600k. Now with 3 instaces everything is fine, but after 4th I get crashes with this error. CPU is at no more than 30% at the moment of crash. Memory ussage is about 500mb/4G. Here is the output. ffmpeg -i udp://@239.1.1.2:5000 -pass 1 -crf 5 -vcodec libx264 -preset ultrafast -g 20 -b 500k -bt 10k -acodec libfaac -ab 128k -ar 48000 -ac 2 -f mpegts udp://192.168.1.136:5004 -v warning -bufsize 10000 -vframes 10 [mpeg2video @ 0x249da20] mpeg_decode_postinit() failure Last message repeated 5 times [mpegts @ 0x24733a0] max_analyze_duration 5000000 reached at 5016000 [mpegts @ 0x24733a0] Estimating duration from bitrate, this may be inaccurate Please use -b:a or -b:v, -b is ambiguous [udp @ 0x24738e0] Circular buffer overrun. To avoid, increase fifo_size URL option. To survive in such case, use overrun_nonfatal option [mpegts @ 0x24733a0] PES packet size mismatch [mpeg2video @ 0x249da20] ac-tex damaged at 31 4 [mpeg2video @ 0x249da20] Warning MVs not available [mp2 @ 0x24a3be0] incomplete frame Error while decoding stream #0:1. Now I get it that my fifo buffer is too small to handle 4 instances. Can you please advise where can I change the initial value ? Thanks in advance -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1157> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#227(FFmpeg:new): Extend -ss and -t to support seeking to EOF time position (and backwards)?
by FFmpeg 20 Oct '13

20 Oct '13

#227: Extend -ss and -t to support seeking to EOF time position (and backwards)? --------------------------+--------------------------------------- Reporter: burek | Owner: michael Type: enhancement | Status: new Priority: wish | Component: FFmpeg Version: git | Keywords: seeking eof time position Blocked By: | Blocking: Reproduced: 0 | Analyzed: 0 --------------------------+--------------------------------------- Maybe, it would be useful if options -ss and -t could support something like this: ffmpeg -ss EOF-00:00:10 -i input ... (meaning the start time is 10 seconds before the end of the file). This would be useful in automated use of ffmpeg, where users don't need to set time positions absolutely (manually), but rather relatively to the end of file. -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/227> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#933(FFmpeg:new): A/V desynch when transcoding A/V files with timestamps non starting from 0 with -copyts
by FFmpeg 20 Oct '13

20 Oct '13

#933: A/V desynch when transcoding A/V files with timestamps non starting from 0 with -copyts -------------------------------------+------------------------------------- Reporter: saste | Owner: Type: defect | Status: new Priority: normal | Component: FFmpeg Version: git- | Keywords: timestamp master | desynch mpegts Blocked By: | Blocking: Reproduced by developer: 1 | Analyzed by developer: 0 -------------------------------------+------------------------------------- Using the command: {{{ ffmpeg -vsync 0 -copyts -i columbia-intro.ts -acodec libfaac -y columbia- intro.out.ts }}} (same without -vsync) the A/V streams in the output file result desynched, and will result in the video being unplayable. This seems due to the first audio packet timestamp information not being correctly propagated to the encoder (and to the muxer), and being set to 0, so that ffmpeg will fill the first part of the file with audio packets, and the probe will fail since ffmpeg can't detect video frames in the probed initial part of the file. Same result in case I use the -copyts with no -vsync. If the output file only contains video (e.g. if the -an switch is used) the output file seems to be correctly generated (playable and with correct timestamp information). I'm attaching a sample file and log obtained by adding debugging print in ffmpeg.c. -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/933> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#1482(undetermined:new): FFMPEG fails to create a SRT file when extracting Subtitles
by FFmpeg 04 Oct '13

04 Oct '13

#1482: FFMPEG fails to create a SRT file when extracting Subtitles -------------------------------------+------------------------------------- Reporter: ramitbhalla | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: When extracing subtitles in SRT format FFMPEG creates a file but it is an illegible format. The link to the original file (too big to attach) http://www.mediafire.com/?dnvw6m61mky8pea Attaching the output file created How to reproduce: COMMAND: ffmpeg -i srt.ts -an -vn -scodec copy -copyinkf -f srt sub.srt {{{ ffmpeg version N-41578-ga5c1a0c Copyright (c) 2000-2012 the FFmpeg developers built on Jun 13 2012 22:34:53 with gcc 4.6.3 configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enab le-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable- libopencore-amrnb --enable-libopencore-amrwb --enable -libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable- libopenjpeg --enable-librtmp --enable-libschro edinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable- libvo-aacenc --enable-libvo-amrwbenc --enable- libvorbis --enable-libvpx --ena libavutil 51. 58.100 / 51. 58.100 libavcodec 54. 25.100 / 54. 25.100 libavformat 54. 6.101 / 54. 6.101 libavdevice 54. 0.100 / 54. 0.100 libavfilter 2. 79.100 / 2. 79.100 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 15.100 / 0. 15.100 libpostproc 52. 0.100 / 52. 0.100 [mpegts @ 002dbd00] max_analyze_duration 5000000 reached at 5000000 [NULL @ 02b171c0] start time is not set in estimate_timings_from_pts Input #0, mpegts, from 'srt.ts': Duration: 00:01:38.16, start: 0.151678, bitrate: 4310 kb/s Program 1 Stream #0:0[0x30]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 15000 kb /s, 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x40](eng): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16, 256 kb/s Stream #0:2[0x50](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) Output #0, srt, to 'sub.srt': Metadata: encoder : Lavf54.6.101 Stream #0:0(eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) Stream mapping: Stream #0:2 -> #0:0 (copy) Press [q] to stop, [?] for help size= 113kB time=00:01:37.25 bitrate= 9.5kbits/s video:0kB audio:0kB global headers:0kB muxing overhead inf% Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used) }}} -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1482> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#1275(undetermined:new): ffserver x264 presets
by FFmpeg 28 Sep '13

28 Sep '13

#1275: ffserver x264 presets -------------------------------------+------------------------------------- Reporter: burek | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- ffserver is started with a simple config file (ffserver.conf) that defined only libx264 flv output and ffmpeg is started to feed the ffserver after which the error is received, which I don't know how to get around, because I don't know how to set "-vpre" or "-preset" in ffserver.conf file (when I try to set -vpre or -preset at ffmpeg's command line, I get the same error as provided here): ffserver.conf: {{{ Port 8090 BindAddress 0.0.0.0 CustomLog - <Feed feed1.ffm> File /tmp/feed1.ffm FileMaxSize 200K ACL allow 127.0.0.1 </Feed> <Stream test1.flv> Feed feed1.ffm Format flv NoAudio VideoCodec libx264 VideoFrameRate 25 AVOptionVideo flags +global_header </Stream> <Stream stat.html> Format status ACL allow localhost ACL allow 192.168.0.0 192.168.255.255 </Stream> <Redirect index.html> URL http://www.ffmpeg.org/ </Redirect> }}} the result: {{{ # ffserver -d -f ffserver.conf & # ffmpeg -i http://10.1.2.3:45678 -vf yadif http://localhost:8090/feed1.ffm ffmpeg version git-2012-05-03-28d37f7 Copyright (c) 2000-2012 the FFmpeg developers built on May 3 2012 13:43:26 with gcc 4.6.3 configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3 libavutil 51. 49.100 / 51. 49.100 libavcodec 54. 17.101 / 54. 17.101 libavformat 54. 3.100 / 54. 3.100 libavdevice 53. 4.100 / 53. 4.100 libavfilter 2. 72.104 / 2. 72.104 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 11.100 / 0. 11.100 libpostproc 52. 0.100 / 52. 0.100 [mpeg2video @ 0x2232c40] mpeg_decode_postinit() failure Last message repeated 5 times [mpegts @ 0x222d120] max_analyze_duration 5000000 reached at 5016000 [mpegts @ 0x222d120] Estimating duration from bitrate, this may be inaccurate Input #0, mpegts, from 'http://10.1.2.3:45678': Duration: N/A, start: 1787.574700, bitrate: 15256 kb/s Program 1714 Stream #0:0[0x58c]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 15000 kb/s, 25.82 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x596]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16, 256 kb/s [buffer @ 0x2428500] w:720 h:576 pixfmt:yuv420p tb:1/1000000 sar:64/45 sws_param:flags=2 [scale @ 0x2233f60] w:720 h:576 fmt:yuv420p sar:64/45 -> w:160 h:128 fmt:yuv420p sar:64/45 flags:0x4 [libx264 @ 0x2277080] broken ffmpeg default settings detected [libx264 @ 0x2277080] use an encoding preset (e.g. -vpre medium) [libx264 @ 0x2277080] preset usage: -vpre <speed> -vpre <profile> [libx264 @ 0x2277080] speed presets are listed in x264 --help [libx264 @ 0x2277080] profile is optional; x264 defaults to high Output #0, ffm, to 'http://localhost:8090/feed1.ffm': Stream #0:0: Video: h264, yuv420p, 160x128 [SAR 64:45 DAR 16:9], q=2-31, 128 kb/s, 1000k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg2video -> libx264) Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height }}} Generally, when I start ffmpeg only (without ffserver) no matter what libx264 options I give at cmd line, ffmpeg will fill out other (missing) options, like bitrate, width/height, etc with some default values. When I use ffserver with same ffmpeg cmd lines, I usually get this kind of "vpre error" mentioned above. How can I work around that error? Please help, thanks in advance. -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1275> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#738(avcodec:new): libacvodec cannot be built if it configured with "--disable-optimizations"
by FFmpeg 23 Sep '13

23 Sep '13

#738: libacvodec cannot be built if it configured with "--disable-optimizations" ---------------------------------+-------------------------------------- Reporter: Andrew | Type: defect Status: new | Priority: minor Component: avcodec | Version: git-master Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ---------------------------------+-------------------------------------- In file included from libavcodec/cabac.h:60, from libavcodec/cabac.c:31: libavcodec/x86/cabac.h: In function ‘get_cabac_bypass_sign_x86’: libavcodec/x86/cabac.h:107: error: can't find a register in class ‘GENERAL_REGS’ while reloading ‘asm’ libavcodec/x86/cabac.h:107: error: ‘asm’ operand has impossible constraints make: *** [libavcodec/cabac.o] Error 1 -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/738> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#113(avcodec:new): AAC - Audio object type 23 is not supported
by FFmpeg 19 Sep '13

19 Sep '13

#113: AAC - Audio object type 23 is not supported -------------------------+--------------------- Reporter: k_s_johnson | Type: defect Status: new | Priority: normal Component: avcodec | Version: git Keywords: AAC-LD | Blocked By: Blocking: | Reproduced: 0 Analyzed: 0 | -------------------------+--------------------- ffmpeg AAC codec (decoder) doesn't seem to support AAC-LD and libfaad or libfaad2 (which is documented to support AAC-LD) is no longer an audio codec option. So there is no way to decode AAC-LD format audio track anymore. However, vlc on windows seems to play the file ffmpeg build from git snapshot of a few days ago( ffmpeg-HEAD-e16665b) on Fedora 2.6.30.9-96.fc11.x86_6411. command line: ffmpeg -y -i po_arrive...mov -acodec pcm_s24le extracted.wav Error message is: [aac @ 0x1e9bfa0] Audio object type 23 is not supported. -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/113> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#1437(FFprobe:new): probe less than the whole file with -show_frames
by FFmpeg 19 Sep '13

19 Sep '13

#1437: probe less than the whole file with -show_frames ---------------------------------------+--------------------------------- Reporter: mdsh | Owner: stefano Type: enhancement | Status: new Priority: normal | Component: FFprobe Version: git-master | Keywords: Blocked By: | Blocking: Reproduced by developer: 0 | Analyzed by developer: 0 ---------------------------------------+--------------------------------- I'd like to probe a file to get interlaced_frame="1" top_field_first="1" - which I believe is only available in -show_frames. My file is 30 minutes log - I only want the data from the first frame. I can't see anything in -h to answer this question. The ffmpeg -vframes, -frames:v and -t are not listed in ffprobe's help, and do not work. I usually use FFprobe with a -probesize, and that is also ignored with -show_frames. Stefano suggested "And of course you can get it with a crude trick, you trim the file *physically* in order to reduce the amount of data to be decoded" but that's a workaround I'd like to avoid. example current file based command line: ffprobe -show_format -show_streams -show_frames -probesize 40000 -print_format xml "tortoise.mxf" ffprobe version N-41487-gee1748a Copyright (c) 2007-2012 the FFmpeg developers built on Jun 10 2012 17:04:40 with llvm_gcc 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00) configuration: --prefix=/Users/mdsh/ffmpeg --arch=x86_64 --enable-ffplay --enable-ffprobe --enable-shared --disable-indev=jack --enable-gpl --enable-nonfree --enable-pthreads --enable-libfaac --enable-libx264 libavutil 51. 56.100 / 51. 56.100 libavcodec 54. 25.100 / 54. 25.100 libavformat 54. 6.101 / 54. 6.101 libavdevice 54. 0.100 / 54. 0.100 libavfilter 2. 78.101 / 2. 78.101 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 15.100 / 0. 15.100 libpostproc 52. 0.100 / 52. 0.100 [mxf @ 0x7fddb081ae00] Stream #0: not enough frames to estimate rate; consider increasing probesize [mxf @ 0x7fddb081ae00] Stream #1: not enough frames to estimate rate; consider increasing probesize Input #0, mxf, from 'tortoise.mxf': Metadata: timecode : 10:53:51:04 Duration: 00:28:21.92, start: 0.000000, bitrate: 42598 kb/s Stream #0:0: Video: mpeg2video (4:2:2), yuv422p, 720x608 [SAR 608:405 DAR 16:9], 30000 kb/s, 25 tbr, 25 tbn, 50 tbc Stream #0:1: Audio: pcm_s16le, 48000 Hz, 4 channels, s16, 3072 kb/s <?xml version="1.0" encoding="UTF-8"?> <ffprobe> <frames> <frame media_type="video" key_frame="1" pkt_pts="0" pkt_pts_time="0.000000" pkt_dts="0" pkt_dts_time="0.000000" pkt_duration="1" pkt_duration_time="0.040000" pkt_pos="7168" width="720" height="608" pix_fmt="yuv422p" sample_aspect_ratio="608:405" pict_type="I" coded_picture_number="0" display_picture_number="0" interlaced_frame="1" top_field_first="1" repeat_pict="0" reference="3"/> <frame media_type="audio" key_frame="1" pkt_pts="0" pkt_pts_time="0.000000" pkt_dts="0" pkt_dts_time="0.000000" pkt_duration="1" pkt_duration_time="0.040000" pkt_pos="157696" sample_fmt="s16" nb_samples="1920"/> ... goes on for a long time - you *really* don't want the uncut output -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1437> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#681(undetermined:new): -vf mp=pullup is not working
by FFmpeg 17 Sep '13

17 Sep '13

#681: -vf mp=pullup is not working -------------------------------------+------------------------------------- Reporter: dericed | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- When I call -vf mp=pullup or (pullup,softskip) I get an "Error opening filters!" warning. {{{ ffmpeg -y -i example.mov -vf mp=pullup -r 24000/1001 -c:v v210 -c:a copy example_ivtc.mov ffmpeg version N-33392-gf3bacce, Copyright (c) 2000-2011 the FFmpeg developers built on Oct 8 2011 18:33:19 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3) configuration: --enable-gpl libavutil 51. 20. 0 / 51. 20. 0 libavcodec 53. 19. 1 / 53. 19. 1 libavformat 53. 14. 0 / 53. 14. 0 libavdevice 53. 4. 0 / 53. 4. 0 libavfilter 2. 43. 6 / 2. 43. 6 libswscale 2. 1. 0 / 2. 1. 0 libpostproc 51. 2. 0 / 51. 2. 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x101005800] Unimplemented container channel layout. [mov,mp4,m4a,3gp,3g2,mj2 @ 0x101005800] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ and contact the ffmpeg-devel mailing list. Seems stream 0 codec frame rate differs from container frame rate: 30000.00 (30000/1) -> 29.97 (30000/1001) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'example.mov': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt creation_time : 2011-11-05 17:32:17 Duration: 00:19:52.02, start: -39.572900, bitrate: 1122 kb/s Stream #0:0(eng): Video: v210 (v210 / 0x30313276), yuv422p10le, 720x486, 223725 kb/s, SAR 9:10 DAR 4:3, 29.97 fps, 29.97 tbr, 30k tbn, 30k tbc Metadata: creation_time : 2011-11-05 17:32:17 Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, 2 channels, s16, 1536 kb/s Metadata: creation_time : 2011-11-05 17:32:17 Stream #0:2(eng): Data: none (tmcd / 0x64636D74) Metadata: creation_time : 2011-11-05 17:32:17 [buffer @ 0x100e01900] w:720 h:486 pixfmt:yuv422p10le tb:1/1000000 sar:9/10 sws_param: [mp @ 0x100e040c0] This is a unholy filter, it will be purified by the ffmpeg exorcist team which will change its syntax from dark -vf mp to light -vf. Thou shalst not make spells or scripts that depend on it [buffersink @ 0x100e03d80] auto-inserting filter 'auto-inserted scale 0' between the filter 'Parsed_mp_0' and the filter 'out' [mp @ 0x100e040c0] auto-inserting filter 'auto-inserted scale 1' between the filter 'src' and the filter 'Parsed_mp_0' [scale @ 0x100e04a80] w:720 h:486 fmt:yuv422p10le -> w:720 h:486 fmt:yuv420p flags:0x4 Error opening filters! }}} -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/681> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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#894(undetermined:new): ljpeg: fix losslesss prediction 0 for 24bpp (and 48bpp)
by FFmpeg 15 Sep '13

15 Sep '13

#894: ljpeg: fix losslesss prediction 0 for 24bpp (and 48bpp) -------------------------------------+------------------------------------- Reporter: ami_stuff | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- {{{ $ ffmpeg -i 24_pred0.jpg out2.bmp ffmpeg version 0.9.0.git-12d8340 Copyright (c) 2000-2012 the FFmpeg developers built on Jan 7 2012 02:04:56 with gcc 4.5.2 configuration: --disable-ffplay --disable-ffserver --disable-ffprobe --disable -asm --disable-yasm --disable-shared --enable-static libavutil 51. 34.100 / 51. 34.100 libavcodec 53. 54.100 / 53. 54.100 libavformat 53. 29.100 / 53. 29.100 libavdevice 53. 4.100 / 53. 4.100 libavfilter 2. 57.101 / 2. 57.101 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 5.100 / 0. 5.100 Input #0, image2, from '24_pred0.jpg': Duration: 00:00:00.04, start: 0.000000, bitrate: N/A Stream #0:0: Video: mjpeg, bgr24, 640x480, 25 tbr, 25 tbn, 25 tbc [buffer @ 016c1940] w:640 h:480 pixfmt:bgr24 tb:1/1000000 sar:0/1 sws_param: Output #0, image2, to 'out2.bmp': Metadata: encoder : Lavf53.29.100 Stream #0:0: Video: bmp, bgr24, 640x480, q=2-31, 200 kb/s, 90k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mjpeg -> bmp) Press [q] to stop, [?] for help frame= 1 fps= 0 q=0.0 Lsize= 0kB time=00:00:00.04 bitrate= 0.0kbits/ s video:900kB audio:0kB global headers:0kB muxing overhead -100.000000% }}} -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/894> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker

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