Recherche avancée
Autres articles (66)
-
Gestion des droits de création et d’édition des objets
8 février 2011, parPar défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;
-
Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...) -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...)
Sur d’autres sites (10139)
-
Intel QuickSync error : Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
30 novembre 2018, par Arie SyamsudinI want to make IPTV with a topology like this :
Restream / source -----> IPTV server -----> User
The problem at the moment is the question of bandwidth that is still large.
Finally I announced by IPTV software providers to transcode with Intel QuickSync video and FFmpeg.
I followed the steps given by the software provider at the following link :
http://www.ezhometech.com/document/intel_ffmpeg.txtWhich comes from the link below :
https://www.intel.com/content/dam/www/public/us/en/documents/white-paper...I installed IPTV software on a laptop with an Intel processor, chipset and VGA.
[root@iptv ffmpeg-4.1]# **lspci**
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Mobile SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
01:00.0 Ethernet controller: Qualcomm Atheros AR8152 v2.0 Fast Ethernet (rev c1)
02:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
[root@iptv ffmpeg-4.1]# **lspci -nn -s 0:02.0**
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09)but when I do a transcoding test, an error always appears :
Error initializing output stream 0:0 — Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height.Error details :
https://paste.fedoraproject.org/paste/vp9XIzbeOuyXRuLBlLfSngFFmpeg log :
./ffmpeg -hwaccel qsv -i http://premium-play.org:8000/domm0H56Cj/q3ODLP6C16/2826 -vcodec h264_qsv -acodec copy -b:v 1200K -f mpegts udp://127.0.0.1:9011?pkt_size=1316
ffmpeg version 3.2.12 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-28)
configuration: --enable-libmfx --enable-nonfree
libavutil 55. 34.101 / 55. 34.101
libavcodec 57. 64.101 / 57. 64.101
libavformat 57. 56.101 / 57. 56.101
libavdevice 57. 1.100 / 57. 1.100
libavfilter 6. 65.100 / 6. 65.100
libswscale 4. 2.100 / 4. 2.100
libswresample 2. 3.100 / 2. 3.100
Input #0, mpegts, from 'http://premium-play.org:8000/domm0H56Cj/q3ODLP6C16/2826':
Duration: N/A, start: 30200.274878, bitrate: N/A
Program 1
Metadata:
service_name : Service01
service_provider: FFmpeg
Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc
Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 125 kb/s
libva info: VA-API version 1.0.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'iHD'
libva info: Trying to open /opt/intel/mediasdk/lib64/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_0
libva info: va_openDriver() returns 0
[h264_qsv @ 0x2a89500] Selected ratecontrol mode is not supported by the QSV runtime. Choose a different mode.
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_qsv))
Stream #0:1 -> #0:1 (copy)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height -
FFmpeg : Audio Filter taking too long
29 novembre 2018, par Prashant_SarinI am using the code below to apply a volume filter in ffmpeg, but it is taking too long. A 5-minute audiofile filter takes 3 minutes. Can someone give advice on how I can speed it up.
My command is :
var command = "-i $audioPath -af volume=enable='between(t,5,10)+between(t,15,20)':volume=0.25:eval=frame $outputFile"Logs are :
2018-11-29 16:58:22.487 23387-23387/com.example.prashants.ffmpegtest D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress - ---AudioVolume---- size= 1537kB time=00:01:40.41 bitrate= 125.4kbits/s speed=1.13x
2018-11-29 16:58:22.489 23387-23387/com.example.prashants.ffmpegtest D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress ----AudioVolume---- video:0kB audio:1518kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.260607%
2018-11-29 16:58:22.490 23387-23387/com.example.prashants.ffmpegtest D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress ----AudioVolume---- bench: utime=86.707s
2018-11-29 16:58:22.491 23387-23387/com.example.prashants.ffmpegtest D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress ----AudioVolume---- bench: maxrss=65792kB
2018-11-29 16:58:22.492 23387-23387/com.example.prashants.ffmpegtest D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress ----AudioVolume---- [aac @ 0xb1ce4400] Qavg: 17415.965
2018-11-29 16:58:22.493 23387-23387/com.example.prashants.ffmpegtest D/com.example.prashants.ffmpegtest.service.AudioOverlayService: AudioVolume success--------- -benchmark -threads 4 -i /storage/emulated/0/FFmpegTest/looped.m4a -af volume=enable='between(t,5,10)+between(t,15,20)':volume=0.25:eval=frame
/storage/emulated/0/FFmpegTest/filtered_audio.m4a -
FFmpeg : How to apply volume filter fast in ffmpeg
29 novembre 2018, par Prashant_Sarini am using below code for applying volume filter in ffmpeg, but its taking too long.Let’s say the audio itself is for 5 minutes then applying this filter takes 3 minutes. Can someone help to speed up the process.
my command is as :
var command = "-i $audioPath -af volume=enable='between(t,5,10)':volume=0.25,volume=enable='between(t,15,20)':volume=0.25 $outputFile"logs are :
2018-11-29 15:17:16.912 17250-17250/com.example.prashants.ffmpegtest
D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress -
---AudioVolume---- video:0kB audio:3030kB subtitle:0kB other streams:0kB
global headers:0kB muxing overhead: 1.236199%
2018-11-29 15:17:16.913 17250-17250/com.example.prashants.ffmpegtest
D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress -
---AudioVolume---- bench: utime=168.977s
2018-11-29 15:17:16.915 17250-17250/com.example.prashants.ffmpegtest
D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress -
---AudioVolume---- bench: maxrss=65116kB
2018-11-29 15:17:16.917 17250-17250/com.example.prashants.ffmpegtest
D/com.example.prashants.ffmpegtest.service.AudioOverlayService: onProgress -
---AudioVolume---- [aac @ 0xaf5e4400] Qavg: 15833.816
2018-11-29 15:17:16.920 17250-17250/com.example.prashants.ffmpegtest
D/com.example.prashants.ffmpegtest.service.AudioOverlayService: AudioVolume
success--------- -benchmark -threads 4 -i
/storage/emulated/0/FFmpegTest/looped.m4a -af
volume=enable='between(t,5,10)+between(t,15,20)':volume=0.25:eval=frame
/storage/emulated/0/FFmpegTest/filtered_audio.m4athat’s the log from my android studio console
Syndiquer tout le site
