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  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • Multilang : améliorer l’interface pour les blocs multilingues

    18 février 2011, par

    Multilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
    Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela.

  • Les tâches Cron régulières de la ferme

    1er décembre 2010, par

    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
    Le super Cron (gestion_mutu_super_cron)
    Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)

Sur d’autres sites (11419)

  • FFMPEG PNG sequence into mkv cause "inflate returned error -3" every 600-800 frames [closed]

    30 novembre 2023, par sergey9295

    I am new to ffmpeg. I try to use it for creating videos from png sequences. I have uncompressed pngs. All of them rgb24 format.

    


    But during encoding process I get inflate errors. I compared PNG and video frame by frame. And video have approximately 1 dupe frame every 600-800 frames instead of the ones that should be on that places. I tried another codecs, tried to clear png's EXIF(it made things even worse), made sure that memory was enough. Doesn't matter.

    


    The worst part is that this errors are pretty random. I encode one sequence 3 times and get 3 different sets of error-causing frames.

    


    FFMPEG was downloaded from official site.

    


    PS C:\Users\sergey9295\Desktop\Upscaler\bin> ./ffmpeg -framerate 24000/1001 -i 24o/frame%04d.png -c:v libx264 -qp 0 -r 24000/1001 -pix_fmt yuv420p BC108K.mkv
ffmpeg version N-112872-g67ce690bc6-20231128 Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 13.2.0 (crosstool-NG 1.25.0.232_c175b21)
  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libharfbuzz --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-chromaprint --enable-libdav1d --enable-libdavs2 --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libaribcaption --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libvpl --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-libdrm --enable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomp --extra-version=20231128
  libavutil      58. 32.100 / 58. 32.100
  libavcodec     60. 35.100 / 60. 35.100
  libavformat    60. 18.100 / 60. 18.100
  libavdevice    60.  4.100 / 60.  4.100
  libavfilter     9. 13.100 /  9. 13.100
  libswscale      7.  6.100 /  7.  6.100
  libswresample   4. 13.100 /  4. 13.100
  libpostproc    57.  4.100 / 57.  4.100
Input #0, image2, from '24o/frame%04d.png':
  Duration: 00:01:32.09, start: 0.000000, bitrate: N/A
  Stream #0:0: Video: png, rgb24(pc, gbr/bt709/iec61966-2-1), 7680x4320, 23.98 fps, 23.98 tbr, 23.98 tbn
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 00000231363c6280] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 00000231363c6280] profile High 4:4:4 Predictive, level 6.0, 4:2:0, 8-bit
[libx264 @ 00000231363c6280] 64 - core 164 - H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=0 mixed_ref=1 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=0 chroma_qp_offset=0 threads=18 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=2 keyint=250 keyint_min=23 scenecut=40 intra_refresh=0 rc=cqp mbtree=0 qp=0
Output #0, matroska, to 'BC108K.mkv':
  Metadata:
    encoder         : Lavf60.18.100
  Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p(tv, unknown/bt709/iec61966-2-1, progressive), 7680x4320, q=2-31, 23.98 fps, 1k tbn
    Metadata:
      encoder         : Lavc60.35.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
[png @ 00000231363c8880] inflate returned error -301:02.72 bitrate=698356.0kbits/s speed=0.171x
[vist#0:0/png @ 00000231363c16c0] Error submitting packet to decoder: Generic error in an external library
[png @ 00000231363c8880] inflate returned error -301:15.24 bitrate=679969.1kbits/s dup=1 drop=0 speed=0.172x
[vist#0:0/png @ 00000231363c16c0] Error submitting packet to decoder: Generic error in an external library3x
[png @ 00000231363f32c0] inflate returned error -301:16.65 bitrate=694583.2kbits/s dup=2 drop=0 speed=0.171x
[vist#0:0/png @ 00000231363c16c0] Error submitting packet to decoder: Generic error in an external library1x
[png @ 000002313646a100] inflate returned error -301:20.78 bitrate=742902.6kbits/s dup=3 drop=0 speed=0.167x
[vist#0:0/png @ 00000231363c16c0] Error submitting packet to decoder: Generic error in an external library6x
[png @ 000002313646ea00] inflate returned error -301:26.92 bitrate=839679.5kbits/s dup=4 drop=0 speed=0.159x
[vist#0:0/png @ 00000231363c16c0] Error submitting packet to decoder: Generic error in an external library8x
[png @ 00000231363cc740] inflate returned error -301:29.38 bitrate=874703.4kbits/s dup=5 drop=0 speed=0.156x
[vist#0:0/png @ 00000231363c16c0] Error submitting packet to decoder: Generic error in an external library6x
[out#0/matroska @ 00000231363a7200] video:9827779kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000442%
frame= 2208 fps=3.8 q=-1.0 Lsize= 9827822kB time=00:01:32.05 bitrate=874625.3kbits/s dup=6 drop=0 speed=0.158x


    


    IMO the problem is zlib from libpng. But I don't have skills to recompile it with libspng that doesn't require zlib. Maybe there is a ffmpeg version without this error ?

    


  • How to increase the compression ratio of a JPEG2000 file with "avenc_jpeg2000" GStreamer encoder ?

    10 juillet 2023, par qfr.bertin.group

    I'm using the plugin avenc_jpeg2000, from gst-libav module, combined with videotestsrc and filesink plugins for encoding a raw picture to a JPEG2000 picture :

    


    gst-launch-1.0 videotestsrc num-buffers=1 ! avenc_jpeg2000 ! filesink location=/tmp/picture-ref.jp2


    


    This pipeline works and produce a 31.85 KiB (32,616) file.

    


    Pipeline graph

    


    Now, I want to divide the size of my output file by two by increasing the compression ratio of the encoder avenc_jpeg2000. To achieve this, I want to minimize the number of bits required to represent the image with an allowable level of distortion. I know JPEG2000 standard support lossless and lossy compression mode. For my use case, the lossy compression mode is acceptable.

    


    How should I proceed to increase the compression of my output file ? What encoder's properties should I play with for doing that ?

    


    My test configuration :

    


      

    • i.MX 8M Plus

      


    • 


    • GStreamer 1.18.0

      


    • 


    • libav 1.18.0 (Release date : 2020-09-08)

      


    • 


    


    I tried to play with "bitrate" and "bitrate-tolerance" properties, but it seems to have no effect on the size of the output file :

    


    gst-launch-1.0 videotestsrc num-buffers=1 ! avenc_jpeg2000 bitrate=100000 bitrate-tolerance=10000 ! filesink location=/tmp/picture-test-01.jp2


    


    I compare files by doing a checksum with sha224sum command :

    


    d0da9118a9c93a0420d6d62f104e0d99fe6e50cda5e87a46cef126f9  /tmp/picture-ref.jp2

d0da9118a9c93a0420d6d62f104e0d99fe6e50cda5e87a46cef126f9  /tmp/picture-test-01.jp2


    


  • Scale with scale_vaapi and than pad, got error. Seems ok without "pad"

    24 mai 2023, par huangda1982

    My computer : customized Linux, haswell
I am trying to scale 1280x720 video to 640x450 in 640x480 frame with black borders. To do so, I run this command :

    


    ffmpeg -v warning -hide_banner -init_hw_device vaapi=vaapi0:/dev/dri/renderD128 -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_device vaapi0 -filter_hw_device vaapi0 -i 'my_video.mp4' -vf 'scale_vaapi=640:450,pad=640:480:0:14' -c:v h264_vaapi -q:v 18 -profile:v main -level 3.1 -c:a aac -q:a 3 -f mp4 out.mp4 -loglevel verbose


    


    And I got this error :

    


    Impossible to convert between the formats supported by the filter &#x27;Parsed_scale_vaapi_0&#x27; and the filter &#x27;auto_scaler_0&#x27;<br />&#xA;Error reinitializing filters!&#xA;Failed to inject frame into filter network: Function not implemented&#xA;Error while processing the decoded data for stream #0:0&#xA;

    &#xA;

    When I removed the ",pad=640:480:0:14" part, the command continued. I pressed ctrl-c, and did not check the result.

    &#xA;

    "-q:v 18", "-level 3.1" and "-q:a" options seem not work.

    &#xA;

    Full message :

    &#xA;

    [h264 @ 0x55dfeb529340] Reinit context to 1280x720, pix_fmt: yuv420p&#xA;Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#x27;my_video.mp4&#x27;:&#xA;  Metadata:&#xA;    major_brand     : isom&#xA;    minor_version   : 512&#xA;    compatible_brands: mp41&#xA;    creation_time   : 1970-01-01T00:00:00.000000Z&#xA;    encoder         : PotEncoder&#xA;  Duration: 00:22:45.01, start: 0.000000, bitrate: 3264 kb/s&#xA;  Stream #0:0(und): Video: h264 (Constrained Baseline), 1 reference frame (avc1 / 0x31637661), yuv420p(left), 1280x720 [SAR 1:1 DAR 16:9], 3068 kb/s, 23.98 fps, 23.98 tbr, 1199 tbn, 47.96 tbc (default)&#xA;    Metadata:&#xA;      creation_time   : 1970-01-01T00:00:00.000000Z&#xA;      handler_name    : VideoHandler&#xA;      vendor_id       : [0][0][0][0]&#xA;  Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 192 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 1970-01-01T00:00:00.000000Z&#xA;      handler_name    : SoundHandler&#xA;      vendor_id       : [0][0][0][0]&#xA;File &#x27;out.mp4&#x27; already exists. Overwrite? [y/N] y&#xA;Stream mapping:&#xA;  Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_vaapi))&#xA;  Stream #0:1 -> #0:1 (mp3 (mp3float) -> aac (native))&#xA;Press [q] to stop, [?] for help&#xA;[h264 @ 0x55dfeb553e40] Reinit context to 1280x720, pix_fmt: vaapi_vld&#xA;[graph_1_in_0_1 @ 0x55dfeb6b7580] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3&#xA;[graph 0 input from stream 0:0 @ 0x55dfebb4d000] w:1280 h:720 pixfmt:vaapi_vld tb:1/1199 fr:1199/50 sar:1/1&#xA;[auto_scaler_0 @ 0x55dfebb4f940] w:iw h:ih flags:&#x27;bicubic&#x27; interl:0&#xA;[Parsed_pad_1 @ 0x55dfebb4c700] auto-inserting filter &#x27;auto_scaler_0&#x27; between the filter &#x27;Parsed_scale_vaapi_0&#x27; and the filter &#x27;Parsed_pad_1&#x27;&#xA;Impossible to convert between the formats supported by the filter &#x27;Parsed_scale_vaapi_0&#x27; and the filter &#x27;auto_scaler_0&#x27;&#xA;Error reinitializing filters!&#xA;Failed to inject frame into filter network: Function not implemented&#xA;Error while processing the decoded data for stream #0:0&#xA;[AVIOContext @ 0x55dfeb5522c0] Statistics: 0 seeks, 0 writeouts&#xA;[aac @ 0x55dfeb551600] Qavg: 354.000&#xA;[aac @ 0x55dfeb551600] 2 frames left in the queue on closing&#xA;[AVIOContext @ 0x55dfeb530500] Statistics: 1144787 bytes read, 2 seeks&#xA;Conversion failed!&#xA;

    &#xA;