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Médias (91)
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MediaSPIP Simple : futur thème graphique par défaut ?
26 septembre 2013, par
Mis à jour : Octobre 2013
Langue : français
Type : Video
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avec chosen
13 septembre 2013, par
Mis à jour : Septembre 2013
Langue : français
Type : Image
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sans chosen
13 septembre 2013, par
Mis à jour : Septembre 2013
Langue : français
Type : Image
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config chosen
13 septembre 2013, par
Mis à jour : Septembre 2013
Langue : français
Type : Image
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SPIP - plugins - embed code - Exemple
2 septembre 2013, par
Mis à jour : Septembre 2013
Langue : français
Type : Image
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GetID3 - Bloc informations de fichiers
9 avril 2013, par
Mis à jour : Mai 2013
Langue : français
Type : Image
Autres articles (34)
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Modifier la date de publication
21 juin 2013, parComment changer la date de publication d’un média ?
Il faut au préalable rajouter un champ "Date de publication" dans le masque de formulaire adéquat :
Administrer > Configuration des masques de formulaires > Sélectionner "Un média"
Dans la rubrique "Champs à ajouter, cocher "Date de publication "
Cliquer en bas de la page sur Enregistrer -
Contribute to translation
13 avril 2011You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
MediaSPIP is currently available in French and English (...) -
MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 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 (...)
Sur d’autres sites (7046)
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Converted Avi to Mp4 using FFMPEG, Converted video not working in html 5 Tag
21 mars 2015, par SuprabhatI have a section in my web page where user can upload any types of videos of any format , currently only restricted to .mp4 and .avi. After successfull upload i have displayed the same video to the user. I have bind the path in HTML5 video so that the user can view the content he/she has uploded. Video with extension .mp4 no doubt are working properly as HTML5 support them. Tricky part is it don’t support Avi files. Now here what the problem has arised. In order to display avi videos i have used FFMPEG to convert videos with extension .avi to .mp4. With lots of googling and reading forum, i have succesfully converted avi videos to mp4 . Here’s what i have used :-
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ffmpeg -i input.avi -acodec libfaac -b:a 128k -vcodec mpeg4 -b:v 1200k -flags +aic+mv4 output.mp4
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ffmpeg -i input.avi -c:v libx264 -b:a 128k -vcodec mpeg4 -b:v 1200k -flags +aic+mv4 output.mp4
Above two are working perfectly, they have succesfully converted the video. But when i run them on browser in HTML5 and in new tab (Flash Player Plugin Installed), HTML5 doesn’t play it and flash player return an error message "Video can’t be played because the file is corrupt". But when i played them on KMplayer and in Window media player they are running perfectly.
I have been to various threads in stackoverflow related to convert avi to mp4 and here i found following in one of the forum. where one of user has accepted this a correct answer but it ain’t worked out for me.
ffmpeg -y -i sample.avi -b:v 1500k -vcodec libx264 -vpre slow -vpre baseline -g 30 sample.mp4
Above argument returned me following error "File for preset ’slow’ not found".
Following my futher searches i came across this thread ffmpeg convert mov file to mp4 for HTML5 video tag IE9. Here following argument worked perfectly and it able to convert video in such way that it is playble on browser.
ffmpeg -y -i input.avi -vcodec libx264 -vprofile high -preset slow -b:v 500k -maxrate 500k -bufsize 1000k -vf scale=-1:480 -threads 0 -acodec libvo_aacenc -b:a 128k -pix_fmt yuv420p output.mp4
.
Problem i faced here was video is converted to 420p reso which quality is noty upto mark. Smaller resolution videos are been enlarged and seems pixelated
Thus, i had to finally put up a question. I will be very obliged if someone can give a solution for above problem. I need to convert an avi video to mp4 supported by HTML5 video tag. It should able to play it on browser and during conversion of video it should maintain original audio and video quality plus resolution.
Thanks
My C# Code :
public void Create(string input, string output, string parametri, string ThumbnailPhysicalPath, int ConvertType)
{
ffmpeg = new Process();
if (ConvertType == Convert.ToInt32(ConversionType.Thumbnail))
ffmpeg.StartInfo.Arguments = " -i \"" + input + "\" -vframes 1 \"" + output + "\"";
else if (ConvertType == Convert.ToInt32(ConversionType.AviToMp4))
ffmpeg.StartInfo.Arguments = " -i \"" + input + "\" -c:v libx264 -b:a 128k -vcodec mpeg4 -b:v 1200k -flags +aic+mv4 \"" + output + "\"";
//ffmpeg.StartInfo.Arguments = " -i \"" + input + "\" -vcodec libx264 -vprofile high -preset slow -b:v 500k -maxrate 500k -bufsize 1000k -vf scale=-1:480 -threads 0 -acodec libvo_aacenc -b:a 128k -pix_fmt yuv420p \"" + output + "\"";
ffmpeg.StartInfo.FileName = ThumbnailPhysicalPath + @"ffmpeg.exe";
ffmpeg.StartInfo.UseShellExecute = false;
ffmpeg.StartInfo.RedirectStandardOutput = true;
ffmpeg.StartInfo.RedirectStandardError = true;
ffmpeg.StartInfo.CreateNoWindow = true;
try
{
ffmpeg.Start();
ffmpeg.WaitForExit();
string error = ffmpeg.StandardError.ReadToEnd();
}
catch (Exception Ex)
{
Common.WriteLog("Exception occurred during conversion. Error Message :- " + Ex.Message + "\n Input Parameter :- " + input+ "\n Output Paramenter :- "+ output);
}
finally
{
ffmpeg.Close();
if (ConvertType == Convert.ToInt32(ConversionType.AviToMp4))
UpdateConvertedVideoDetails(input,output);
}
}Command Prompt FFMPEG Output :-
Sample 3 Result :-
D:\Client\WebSite\Converter_Tools>ffmpeg -y -i sample.avi -b:v 1500k -vcodec libx264 -vpre slow -vpre baseline -g 30 sample.mp4
ffmpeg version N-70239-g111d79a Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libblu
ray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --
enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enab
le-zlib
libavutil 54. 19.100 / 54. 19.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 23.105 / 56. 23.105
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.101 / 5. 11.101
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[avi @ 037c8480] non-interleaved AVI
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, avi, from 'sample.avi':
Duration: 00:00:34.00, start: 0.000000, bitrate: 1433 kb/s
Stream #0:0: Video: cinepak (cvid / 0x64697663), rgb24, 320x240, 15 fps, 15 tbr, 15 tbn, 15 tbc
Stream #0:1: Audio: pcm_u8 ([1][0][0][0] / 0x0001), 22050 Hz, 1 channels, u8, 176 kb/s
File for preset 'slow' not foundSample 4 Result :-
D:\Client\WebSite\Converter_Tools>ffmpeg -y -i input.avi -vcodec libx264 -vprofile high -preset slow -b:v 500k -maxrate 500k -bufsize 1000k -vf scale=-1:480 -threads 0 -acodec libvo_
aacenc -b:a 128k -pix_fmt yuv420p output.mp4
ffmpeg version N-70239-g111d79a Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libblu
ray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --
enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enab
le-zlib
libavutil 54. 19.100 / 54. 19.100
libavcodec 56. 26.100 / 56. 26.100
libavformat 56. 23.105 / 56. 23.105
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 11.101 / 5. 11.101
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, avi, from 'input.avi':
Duration: 00:00:03.93, start: 0.000000, bitrate: 3255 kb/s
Stream #0:0: Video: msrle ([1][0][0][0] / 0x0001), pal8, 300x250, 3301 kb/s, 15 fps, 15 tbr, 15 tbn, 15 tbc
[libx264 @ 002ec860] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
[libx264 @ 002ec860] profile High, level 2.2
[libx264 @ 002ec860] 264 - core 144 r2525 40bb568 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subm
e=8 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=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 i
nterlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=15 scenecut=40 intra_refresh=0 rc_lookahead=50 rc
=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'output.mp4':
Metadata:
encoder : Lavf56.23.105
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 576x480, q=-1--1, 500 kb/s, 15 fps, 15360 tbn, 15 tbc
Metadata:
encoder : Lavc56.26.100 libx264
Stream mapping:
Stream #0:0 -> #0:0 (msrle (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 59 fps= 30 q=-1.0 Lsize= 229kB time=00:00:03.80 bitrate= 493.5kbits/s
video:227kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.637976%
[libx264 @ 002ec860] frame I:3 Avg QP:26.53 size: 10657
[libx264 @ 002ec860] frame P:25 Avg QP:30.49 size: 5608
[libx264 @ 002ec860] frame B:31 Avg QP:32.26 size: 1935
[libx264 @ 002ec860] consecutive B-frames: 22.0% 16.9% 20.3% 40.7%
[libx264 @ 002ec860] mb I I16..4: 16.7% 69.0% 14.4%
[libx264 @ 002ec860] mb P I16..4: 11.1% 29.9% 3.8% P16..4: 21.3% 6.8% 2.6% 0.0% 0.0% skip:24.6%
[libx264 @ 002ec860] mb B I16..4: 1.7% 3.0% 0.3% B16..8: 29.7% 5.6% 0.8% direct: 2.1% skip:56.8% L0:50.5% L1:45.6% BI: 3.9%
[libx264 @ 002ec860] 8x8 transform intra:66.5% inter:79.4%
[libx264 @ 002ec860] direct mvs spatial:93.5% temporal:6.5%
[libx264 @ 002ec860] coded y,uvDC,uvAC intra: 40.3% 48.8% 25.7% inter: 12.4% 8.4% 1.4%
[libx264 @ 002ec860] i16 v,h,dc,p: 19% 59% 6% 17%
[libx264 @ 002ec860] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 25% 16% 7% 8% 6% 11% 7% 10%
[libx264 @ 002ec860] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 21% 9% 7% 9% 8% 10% 7% 10%
[libx264 @ 002ec860] i8c dc,h,v,p: 41% 33% 13% 13%
[libx264 @ 002ec860] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 002ec860] ref P L0: 67.6% 8.1% 9.6% 5.4% 6.6% 2.8%
[libx264 @ 002ec860] ref B L0: 84.6% 10.5% 3.9% 1.0%
[libx264 @ 002ec860] ref B L1: 95.9% 4.1%
[libx264 @ 002ec860] kb/s:472.20 -
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Révision 21939 : gestion des emoji avec MySQL
14 mars 2015, par Fil Up================
le charset ’utf8’ de MySQL ne contient pas l’ensemble de l’UTF-8, mais seulement les caractères codés sur 1, 2, ou 3 bytes ; pour contourner ce problème, on pourrait adopter le charset ’utf8mb4’, mais c’est difficile à faire, et ça implique de revoir la structure de la base (notamment les VARCHAR 255 ne passent plus, car 255*4 > 1000)
la solution adoptée ici est d’échapper les caractères de 4 bytes sous leur forme unicode *
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ffmpeg and boost::asio NULL pointer
9 avril 2015, par GeorgiI am trying to make a special video software which will run on multiple core machines.
I want many c++ object to stream video files and many other c++ objects to store the streamed data into file.
I have created some simple classes, but when I try to create 2 and more objects I got :
opening stream9079.sdp
[udp @ 0xaef5380] bind failed: Address already in use
Could not open input file stream9079.sdp
Segmentation fault (core dumped)When I use only one object everything is fine.
I use the following code
int main(int argc, char **argv)
{
boost::asio::io_service ios;
boost::asio::io_service ios1;
Channel *channels[100];
channels[0] = new Channel(ios, 9078, atoi(argv[1]));
channels[0]->StartTimer(0);
channels[1] = new Channel(ios1, 9079, atoi(argv[1]));
channels[1]->StartTimer(0);
boost::thread t(boost::bind(&worker, &ios));
boost::thread t1(boost::bind(&worker, &ios1));
t.join();
t1.join();
CEVLOG_MSG << "done" << std::endl;
return 0;
}My
Channel
class implementation is :#include "channel.hpp"
#include "utils.hpp"
#include "boost/lexical_cast.hpp"
Channel::Channel(boost::asio::io_service &ioP, int i, bool to_send):
Runnable(ioP),
work( new boost::asio::io_service::work(ioP) ),
ofmt(NULL),
ifmt_ctx(NULL),
ofmt_ctx(NULL)
{
id = i;
sender = to_send;
if (sender)
{
input.assign("/home/georgi/Downloads/video/IMG_0019.MOV");
output.assign("rtp://10.101.3.60:"); output += boost::lexical_cast(id);
}
else
{
input.assign("stream"); input += boost::lexical_cast(id); input += ".sdp";
output.assign("test"); output += boost::lexical_cast(id); output += ".mp4";
}
video_idx = audio_idx = sub_idx = -1;
if (OpenInput())
{
if (sender)
OpenOutput(eStreamOutput);
else
OpenOutput(eFileOutput);
}
}
Channel::~Channel()
{
av_write_trailer(ofmt_ctx);
avformat_close_input(&ifmt_ctx);
if (ofmt_ctx && !(ofmt->flags & AVFMT_NOFILE))
avio_closep(&ofmt_ctx->pb);
avformat_free_context(ofmt_ctx);
work.reset();
}
bool Channel::OpenInput()
{
CEVLOG_MSG << "opening " << input << std::endl;
int ret;
if ((ret = avformat_open_input(&ifmt_ctx, input.c_str(), 0, 0)) < 0)
{
CEVLOG_ERR << "Could not open input file " << input << std::endl;
return false;
}
CEVLOG_MSG << " " << ifmt_ctx << std::endl;
if ((ret = avformat_find_stream_info(ifmt_ctx, 0)) < 0)
{
CEVLOG_ERR << "Failed to retrieve input stream information" << std::endl;
return false;
}
ifmt_ctx->flags |= AVFMT_FLAG_GENPTS;
//read and set timestamps to 0
av_read_frame(ifmt_ctx, &pkt);
pkt.pts = pkt.dts = 0;
return true;
}
bool Channel::OpenOutput(tOutputType WhatToOpen)
{
int SDP_size;
switch (WhatToOpen)
{
case eFileOutput:
avformat_alloc_output_context2(&ofmt_ctx, NULL, NULL, output.c_str());
break;
case eStreamOutput:
avformat_alloc_output_context2(&ofmt_ctx, NULL, "rtp", output.c_str());
char SDP[4096];
SDP_size = 4096;
av_sdp_create(&ofmt_ctx, 1, SDP, SDP_size);
CEVLOG_DBG << "SDP=" << SDP << std::endl;
break;
default:
assert(false);
break;
}
if (!ofmt_ctx)
{
CEVLOG_ERR << "Could not create output context" << std::endl;
return false;
}
ofmt = ofmt_ctx->oformat;
video_idx = FindIndex(AVMEDIA_TYPE_VIDEO);
if (!(ofmt->flags & AVFMT_NOFILE))
{
if (avio_open(&ofmt_ctx->pb, output.c_str(), AVIO_FLAG_WRITE) < 0)
{
CEVLOG_ERR << "Could not open output file " << output << std::endl;
return false;
}
}
if (avformat_write_header(ofmt_ctx, NULL) < 0)
{
CEVLOG_ERR << "Error occurred when opening output file " << output << std::endl;
return false;
}
return true;
}
unsigned int Channel::FindIndex(AVMediaType Type)
{
int idx;
for (idx = 0; idx < ifmt_ctx->nb_streams; idx++)
{
if (ifmt_ctx->streams[idx]->codec->codec_type == Type)
{
AVStream *in_stream = ifmt_ctx->streams[idx];
AVStream *out_stream = avformat_new_stream(ofmt_ctx, in_stream->codec->codec);
if (!out_stream)
{
CEVLOG_ERR << "Failed allocating output stream" << std::endl;
break;
}
if (avcodec_copy_context(out_stream->codec, in_stream->codec) < 0)
{
CEVLOG_ERR << "Failed to copy context from input to output stream codec context" << std::endl;
break;
}
out_stream->codec->codec_tag = 0;
if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
{
out_stream->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
break;
}
}
return idx;
}
void Channel::Callback()
{
if (sender)
SendVideo();
else
RecvVideo();
}
void Channel::SendVideo()
{
int ret = av_read_frame(ifmt_ctx, &pkt);
int time_ms = 0;
if (ret != 0)
{
av_write_trailer(ofmt_ctx);
work.reset();
return;
}
if (pkt.stream_index == video_idx)
{
AVStream *in_stream = ifmt_ctx->streams[pkt.stream_index];
AVStream *out_stream = ofmt_ctx->streams[pkt.stream_index];
AVRational time_base = ifmt_ctx->streams[video_idx]->time_base;
char timestamp[100];
time_ms = 1000 * 1000 * strtof(timestamp2char(timestamp, pkt.duration, &time_base), NULL);
pkt.pts = av_rescale_q_rnd(pkt.pts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF);
pkt.dts = av_rescale_q_rnd(pkt.dts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF);
pkt.duration = av_rescale_q(pkt.duration, in_stream->time_base, out_stream->time_base);
pkt.pos = -1;
ret = av_interleaved_write_frame(ofmt_ctx, &pkt);
if (ret < 0)
{
CEVLOG_ERR << "Error muxing packet" << std::endl;
return;
}
}
av_free_packet(&pkt);
StartTimer(time_ms);
}
void Channel::RecvVideo()
{
int ret = av_read_frame(ifmt_ctx, &pkt);
if (ret != 0)
{
//Some error or end of stream is detected. Write file trailer
av_write_trailer(ofmt_ctx);
work.reset();
return;
}
//if is NOT video just continue reading
if (pkt.stream_index == video_idx)
{
AVStream *in_stream = ifmt_ctx->streams[pkt.stream_index];
AVStream *out_stream = ofmt_ctx->streams[pkt.stream_index];
AVRational time_base = ifmt_ctx->streams[video_idx]->time_base;
pkt.pts = av_rescale_q_rnd(pkt.pts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF);
pkt.dts = av_rescale_q_rnd(pkt.dts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF);
pkt.duration = av_rescale_q(pkt.duration, in_stream->time_base, out_stream->time_base);
pkt.pos = -1;
ret = av_interleaved_write_frame(ofmt_ctx, &pkt);
if (ret < 0)
{
CEVLOG_ERR << "Error muxing packet" << std::endl;
return;
}
}
av_free_packet(&pkt);
StartTimer(0);
}