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Autres articles (40)
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MediaSPIP v0.2
21 juin 2013, parMediaSPIP 0.2 est la première version de MediaSPIP stable.
Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...) -
Mise à disposition des fichiers
14 avril 2011, parPar défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
Tout cela se passe dans la page de configuration du squelette. Il vous faut aller dans l’espace d’administration du canal, et choisir dans la navigation (...) -
MediaSPIP version 0.1 Beta
16 avril 2011, parMediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)
Sur d’autres sites (4883)
-
FFmpeg seeking (-ss) not working on some devices
4 juin 2020, par ClassAAs the title states,
-ss
command is not working on some devices, like the Huawei Mate 10.


Here is the command I'm using and how I get the values :



Format formatter = new SimpleDateFormat("00:" + "mm:ss.SS");
// Video duration
long duration = getDuration();
// Video duration devided by 6 (I want to get 5 images)
long img1 = duration / 6;
String firstThumbTime = formatter.format(img1);
// Screen dimentions devided by 7
String dimentions = width + ":" + height;

String[] a = {"-ss", firstThumbTime, "-i", mStringFilePath, "-vframes", "1", "-s", dimentions, imageThumbsDirectory + "/" + "thumb1.bmp"};




The command above looks like this :



-ss 00:00:00.47 -i /storage/emulated/0/Android/data/com.my.package/files/MyVideos/2020_02_19_16_00_20.mp4 -vframes 1 -s 154:274 /storage/emulated/0/Android/data/com.my.package/files/ThumbTemp/thumb1.bmp




The strange thing is that it completes without an error, but the output file is unreadable.



I do not have the logs currently, but I have a user that can send it to me if you need it.





I'm 100% sure that it is caused by
-ss
because I use a similar command for trimming a video elsewhere in my application and when the user exports the video without setting trimming points(-ss
), then the video works.


Here is the 2 command I use for trimming a video :



Working :



String[] s = {"-i", videonInputPath, "-crf", "18", "-c:v", "libx264", "-preset", "ultrafast", videoOutputPath};




Not working



String[] s = {"-ss", startValue, "-i", videonInputPath, "-crf", "18", "-c:v", "libx264", "-preset", "ultrafast", videoOutputPath};






This is the first time a user sends me this issue, so it has to be something with his device.



Any advice would greatly be appreciated.





EDIT :



Log as requested by @Gyan in the comment section below (Added
-v 48
to command) :


ffmpeg version n4.0-39-gda39990 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 4.9.x (GCC) 20150123 (prerelease)
configuration: --target-os=linux --cross-prefix=/root/bravobit/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/root/bravobit/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-ffprobe --enable-libopus --enable-libvorbis --enable-libfdk-aac --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-fontconfig --enable-libvpx --enable-libass --enable-yasm --enable-pthreads --disable-debug --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-linux-perf --disable-doc --disable-shared --enable-static --enable-runtime-cpudetect --enable-nonfree --enable-network --enable-avresample --enable-avformat --enable-avcodec --enable-indev=lavfi --enable-hwaccels --enable-ffmpeg --enable-zlib --enable-gpl --enable-small --enable-nonfree --pkg-config=pkg-config --pkg-config-flags=--static --prefix=/root/bravobit/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/root/bravobit/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/root/bravobit/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-cxxflags=
libavutil 56. 14.100 / 56. 14.100
libavcodec 58. 18.100 / 58. 18.100
libavformat 58. 12.100 / 58. 12.100
libavdevice 58. 3.100 / 58. 3.100
libavfilter 7. 16.100 / 7. 16.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
libpostproc 55. 1.100 / 55. 1.100
Splitting the commandline.
Reading option '-ss' ... matched as option 'ss' (set the start time offset) with argument '00:30:02.58'.
Reading option '-i' ... matched as input url with argument '/storage/emulated/0/Download/email/VID-20180720-WA0001.mp4'.
Reading option '-v' ... matched as option 'v' (set logging level) with argument '48'.
Reading option '-vframes' ... matched as option 'vframes' (set the number of video frames to output) with argument '1'.
Reading option '-s' ... matched as option 's' (set frame size (WxH or abbreviation)) with argument '154:308'.
Reading option '/storage/emulated/0/Android/data/com.my.package/files/ThumbTemp/thumb1.bmp' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument 48.
Successfully parsed a group of options.
Parsing a group of options: input url /storage/emulated/0/Download/email/VID-20180720-WA0001.mp4.
Applying option ss (set the start time offset) with argument 00:30:02.58.
Successfully parsed a group of options.
Opening an input file: /storage/emulated/0/Download/email/VID-20180720-WA0001.mp4.
[NULL @ 0xf1fa5000] Opening '/storage/emulated/0/Download/email/VID-20180720-WA0001.mp4' for reading
[file @ 0xf1f94000] Setting default whitelist 'file,crypto'
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] ISO: File Type Major Brand: mp42
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] Unknown dref type 0x206c7275 size 12
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] rfps: 29.833333 0.018442
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] rfps: 29.916667 0.003419
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] rfps: 30.000000 0.000764
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] rfps: 60.000000 0.003057
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] rfps: 120.000000 0.012228
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] rfps: 29.970030 0.000295
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] rfps: 59.940060 0.001178
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] Before avformat_find_stream_info() pos: 6937 bytes read:32768 seeks:0 nb_streams:2
[h264 @ 0xf1fda380] nal_unit_type: 7, nal_ref_idc: 1
[h264 @ 0xf1fda380] nal_unit_type: 8, nal_ref_idc: 1
[h264 @ 0xf1fda380] nal_unit_type: 6, nal_ref_idc: 0
[h264 @ 0xf1fda380] nal_unit_type: 5, nal_ref_idc: 1
[h264 @ 0xf1fda380] Format yuv420p chosen by get_format().
[h264 @ 0xf1fda380] Reinit context to 848x480, pix_fmt: yuv420p
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf1fa5000] After avformat_find_stream_info() pos: 67446 bytes read:67446 seeks:0 frames:45
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Download/email/VID-20180720-WA0001.mp4':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: mp41mp42isom
creation_time : 2018-07-20T19:57:44.000000Z
Duration: 00:00:15.52, start: 0.000000, bitrate: 1679 kb/s
Stream #0:0(und), 1, 1/600: Video: h264, 1 reference frame (avc1 / 0x31637661), yuv420p(tv, bt709, left), 848x480, 0/1, 1622 kb/s, 30.02 fps, 29.97 tbr, 600 tbn, 1200 tbc (default)
Metadata:
rotate : 90
creation_time : 2018-07-20T19:57:44.000000Z
handler_name : Core Media Video
Side data:
displaymatrix: rotation of -90.00 degrees
Stream #0:1(und), 44, 1/44100: Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 53 kb/s (default)
Metadata:
creation_time : 2018-07-20T19:57:44.000000Z
handler_name : Core Media Audio
Successfully opened the file.
Parsing a group of options: output url /storage/emulated/0/Android/data/com.my.package/files/ThumbTemp/thumb1.bmp.
Applying option vframes (set the number of video frames to output) with argument 1.
Applying option s (set frame size (WxH or abbreviation)) with argument 154:308.
Successfully parsed a group of options.
Opening an output file: /storage/emulated/0/Android/data/com.my.package/files/ThumbTemp/thumb1.bmp.
Successfully opened the file.
detected 8 logical cores
[h264 @ 0xf1fdbf80] nal_unit_type: 7, nal_ref_idc: 1
[h264 @ 0xf1fdbf80] nal_unit_type: 8, nal_ref_idc: 1
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> bmp (native))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
Last message repeated 1 times
[h264 @ 0xf1fdbf80] nal_unit_type: 5, nal_ref_idc: 1
[h264 @ 0xf1fdbf80] Format yuv420p chosen by get_format().
[h264 @ 0xf1fdbf80] Reinit context to 848x480, pix_fmt: yuv420p
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdc300] nal_unit_type: 1, nal_ref_idc: 1
[h264 @ 0xf1fdc680] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
Last message repeated 1 times
[h264 @ 0xf1fdca00] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdcd80] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdd100] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdd480] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdd800] nal_unit_type: 1, nal_ref_idc: 1
[h264 @ 0xf1fddb80] nal_unit_type: 1, nal_ref_idc: 1
[graph 0 input from stream 0:0 @ 0xf1fe9360] Setting 'video_size' to value '848x480'
[graph 0 input from stream 0:0 @ 0xf1fe9360] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 0:0 @ 0xf1fe9360] Setting 'time_base' to value '1/600'
[graph 0 input from stream 0:0 @ 0xf1fe9360] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0xf1fe9360] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0xf1fe9360] Setting 'frame_rate' to value '30000/1001'
[graph 0 input from stream 0:0 @ 0xf1fe9360] w:848 h:480 pixfmt:yuv420p tb:1/600 fr:30000/1001 sar:0/1 sws_param:flags=2
[transpose @ 0xf1fe9420] Setting 'dir' to value 'clock'
[scaler_out_0_0 @ 0xf1fe9540] Setting 'w' to value '154'
[scaler_out_0_0 @ 0xf1fe9540] Setting 'h' to value '308'
[scaler_out_0_0 @ 0xf1fe9540] Setting 'flags' to value 'bicubic'
[scaler_out_0_0 @ 0xf1fe9540] w:154 h:308 flags:'bicubic' interl:0
[format @ 0xf1fe95a0] Setting 'pix_fmts' to value 'bgra|bgr24|rgb565le|rgb555le|rgb444le|rgb8|bgr8|rgb4_byte|bgr4_byte|gray|pal8|monob'
[AVFilterGraph @ 0xf1fb20c0] query_formats: 7 queried, 6 merged, 0 already done, 0 delayed
[scaler_out_0_0 @ 0xf1fe9540] picking bgr24 out of 12 ref:yuv420p alpha:0
[transpose @ 0xf1fe9420] w:848 h:480 dir:1 -> w:480 h:848 rotation:clockwise vflip:0
[scaler_out_0_0 @ 0xf1fe9540] w:480 h:848 fmt:yuv420p sar:0/1 -> w:154 h:308 fmt:bgr24 sar:0/1 flags:0x4
Output #0, image2, to '/storage/emulated/0/Android/data/com.my.package/files/ThumbTemp/thumb1.bmp':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: mp41mp42isom
encoder : Lavf58.12.100
Stream #0:0(und), 0, 1001/30000: Video: bmp, 1 reference frame, bgr24(left), 154x308, 0/1, q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc (default)
Metadata:
encoder : Lavc58.18.100 bmp
creation_time : 2018-07-20T19:57:44.000000Z
handler_name : Core Media Video
Side data:
displaymatrix: rotation of -0.00 degrees
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdbf80] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdc300] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdc680] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdca00] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdcd80] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdd100] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[h264 @ 0xf1fdd480] nal_unit_type: 1, nal_ref_idc: 1
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
Last message repeated 9 times
[out_0_0 @ 0xf1fe94e0] EOF on sink link out_0_0:default.
No more output streams to write to, finishing.
frame= 0 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed= 0x 
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Input file #0 (/storage/emulated/0/Download/email/VID-20180720-WA0001.mp4):
Input stream #0:0 (video): 16 packets read (153990 bytes); 16 frames decoded; 
Input stream #0:1 (audio): 0 packets read (0 bytes); 
Total: 16 packets (153990 bytes) demuxed
Output file #0 (/storage/emulated/0/Android/data/com.my.package/files/ThumbTemp/thumb1.bmp):
Output stream #0:0 (video): 0 frames encoded; 0 packets muxed (0 bytes); 
Total: 0 packets (0 bytes) muxed
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
16 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0xf1fbc000] Statistics: 221436 bytes read, 1 seeks



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4 ways to create more effective funnels
24 février 2020, par Jake Thornton — Uncategorized