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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
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Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...) -
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Sur d’autres sites (8637)
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Error in Jquery upload file due to FFMPEG conversion using PHP
13 mars 2015, par HamzaI am using jQuery upload file plugin, and when videos are uploaded, they are converted using FFMPEG. For short sized files everything works perfectly but when I try to upload bigger files, nothing is returned in the response. I thought that this could me
max_execution_timeissue so I have removed the limit but still it happens, but when I see the folder, the files are converted completely and entered into database so everything seems to work of large files except it doesn’techo. I tried to remove one FFMPEG conversion statement and convert file to just one size but still the result is same for large files.and I see this result
Here is my PHP code
$default = ini_get('max_execution_time');
set_time_limit(0);
$fileName = $_FILES["myfile"]["name"];
$fileName = str_ireplace(' ', '_', $fileName);
$fn = $_FILES["myfile"]["name"];
$i = 1;
$actual_name = pathinfo($fileName,PATHINFO_FILENAME);
$original_name = $actual_name;
$extension = strtolower (pathinfo($fileName, PATHINFO_EXTENSION));
while(file_exists($output_dir.$fileName))
{
$actual_name = (string)$original_name.$i;
$fileName = $actual_name.".".$extension;
$filetoconvert = $actual_name.".mp4";
$filetoconvertSD=$actual_name."SD.mp4";
$i++;
}
//echo $fileName;
move_uploaded_file($_FILES["myfile"]["tmp_name"],$output_dir.$fileName);
$url = $output_dir1.$fileName;
$outputnameSD="";
$time="";
$del_url = $output_dir.$fileName;
$i = 1;
while(file_exists($output_dir.$filetoconvert))
{
$actual_name = (string)$original_name.$i;
$fileName = $actual_name.".mp4";
$filetoconvert = $actual_name.".mp4";
$filetoconvertSD=$actual_name."SD.mp4";
$i++;
}
$outputname = $output_dir1.$filetoconvert;
$outputnameSD=$output_dir1.$filetoconvertSD;
$videofile="/var/www/html/".$url;
$xyz = shell_exec("ffmpeg -i \"{$videofile}\" 2>&1"); //Get duration
$search='/Duration: (.*?),/';
preg_match($search, $xyz, $matches);
$tim=explode(".", $matches[1]);
$time=$tim[0];
$ret = exec(' ffmpeg -i /var/www/html/'.$url.' -acodec libfaac -b:a 128k -vcodec libx264 -preset fast -vprofile baseline -b:v 400k -maxrate 400k -bufsize 800k -crf 26 -flags +aic+mv4 /var/www/html/'.$outputnameSD, $out, $err);
$ret = exec(' ffmpeg -i /var/www/html/'.$url.' -acodec libfaac -b:a 196k -vcodec libx264 -preset fast -vprofile high -b:v 1000k -crf 20 -flags +aic+mv4 /var/www/html/'.$outputname, $out, $err);
unlink($del_url);
$url = $output_dir1.$fileName;
Database QUERY HERE
$ret[]= $fileName;
echo '<li>
'.$fileName.'
</li>';
set_time_limit($default); -
How to log unconverted files in FFMPEG due to error ?
10 juillet 2017, par eugenemonI am converting 30,000 video files (each with different number of data/video/audio/subtitle streams) using a single batch file. I do not require data/subtitle streams. This is the code I am using for the batch file :
for %%i in (*.dat *.mpg *.mpeg) do ffmpeg -hide_banner -v info -n -i %%i -map 0 -dn -sn -c:v libx264 -crf 20 -c:a aac -b:a 192k "%%~ni.mp4" >> log.txt 2>&1
pauseThe resulting log file that I get is 1.67gb in file size and is extremely difficult for me to go through to find the errors of files that weren’t converted.
An example of a successfully converted file would look like this in the log file :
Input #0, mpeg, from '571317.mpg':
Duration: 00:05:06.02, start: 0.060000, bitrate: 2991 kb/s
Stream #0:0[0x1bf]: Data: dvd_nav_packet
Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, smpte170m, top first), 720x480 [SAR 8:9 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
Stream #0:2[0x81]: Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
Stream #0:3[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16p, 224 kb/s
Stream mapping:
Stream #0:1 -> #0:0 (mpeg2video (native) -> h264 (libx264))
Stream #0:2 -> #0:1 (ac3 (native) -> aac (native))
Stream #0:3 -> #0:2 (mp2 (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 000000000043c3a0] using SAR=8/9
[libx264 @ 000000000043c3a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 000000000043c3a0] profile High, level 3.0
[libx264 @ 000000000043c3a0] 264 - core 148 r2762 90a61ec - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 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 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=20.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'F:\571317.mp4':
Metadata:
encoder : Lavf57.71.100
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p(top coded first (swapped)), 720x480 [SAR 8:9 DAR 4:3], q=-1--1, 29.97 fps, 30k tbn, 29.97 tbc
Metadata:
encoder : Lavc57.89.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, fltp, 192 kb/s
Metadata:
encoder : Lavc57.89.100 aac
Stream #0:2: Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, fltp, 192 kb/s
Metadata:
encoder : Lavc57.89.100 aac
frame= 83 fps=0.0 q=26.0 size= 168kB time=00:00:02.70 bitrate= 508.4kbits/s speed=5.26x
frame= 132 fps=128 q=26.0 size= 660kB time=00:00:04.41 bitrate=1224.4kbits/s speed=4.29x
frame= 182 fps=118 q=26.0 size= 1126kB time=00:00:06.05 bitrate=1522.0kbits/s speed=3.92x
frame= 235 fps=114 q=26.0 size= 1529kB time=00:00:07.78 bitrate=1608.5kbits/s speed=3.78x
frame= 294 fps=114 q=26.0 size= 1867kB time=00:00:09.77 bitrate=1564.9kbits/s speed= 3.8x
frame= 352 fps=114 q=26.0 size= 2175kB time=00:00:11.71 bitrate=1521.5kbits/s speed=3.79x
frame= 408 fps=113 q=26.0 size= 2681kB time=00:00:13.54 bitrate=1621.1kbits/s speed=3.76x
frame= 466 fps=113 q=26.0 size= 3276kB time=00:00:15.50 bitrate=1730.6kbits/s speed=3.77x
[mpeg @ 000000000042a820] New subtitle stream 0:4 at pos:6483982 and DTS:17.1437s
frame= 528 fps=114 q=26.0 size= 3868kB time=00:00:17.57 bitrate=1802.4kbits/s speed=3.79x
frame= 572 fps=111 q=26.0 size= 4508kB time=00:00:19.09 bitrate=1934.4kbits/s speed=3.71x
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frame= 656 fps=106 q=26.0 size= 6040kB time=00:00:21.86 bitrate=2262.6kbits/s speed=3.54x
frame= 698 fps=104 q=26.0 size= 6724kB time=00:00:23.23 bitrate=2370.8kbits/s speed=3.47x
frame= 743 fps=103 q=26.0 size= 7451kB time=00:00:24.72 bitrate=2468.6kbits/s speed=3.43x
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frame= 1947 fps=105 q=26.0 size= 18284kB time=00:01:04.93 bitrate=2306.6kbits/s speed= 3.5x
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frame= 6537 fps=106 q=26.0 size= 61412kB time=00:03:38.09 bitrate=2306.8kbits/s speed=3.52x
frame= 6596 fps=106 q=26.0 size= 61938kB time=00:03:40.07 bitrate=2305.6kbits/s speed=3.53x
frame= 6658 fps=106 q=26.0 size= 62386kB time=00:03:42.14 bitrate=2300.6kbits/s speed=3.53x
frame= 6727 fps=106 q=26.0 size= 62836kB time=00:03:44.46 bitrate=2293.2kbits/s speed=3.54x
frame= 6780 fps=106 q=26.0 size= 63400kB time=00:03:46.17 bitrate=2296.3kbits/s speed=3.54x
frame= 6830 fps=106 q=26.0 size= 63962kB time=00:03:47.88 bitrate=2299.3kbits/s speed=3.53x
frame= 6884 fps=106 q=26.0 size= 64394kB time=00:03:49.67 bitrate=2296.8kbits/s speed=3.53x
frame= 6940 fps=106 q=26.0 size= 64782kB time=00:03:51.53 bitrate=2292.1kbits/s speed=3.53x
frame= 6994 fps=106 q=26.0 size= 65278kB time=00:03:53.36 bitrate=2291.5kbits/s speed=3.53x
frame= 7048 fps=106 q=26.0 size= 65778kB time=00:03:55.11 bitrate=2291.9kbits/s speed=3.53x
frame= 7104 fps=106 q=26.0 size= 66288kB time=00:03:56.99 bitrate=2291.4kbits/s speed=3.53x
frame= 7162 fps=106 q=26.0 size= 66668kB time=00:03:58.93 bitrate=2285.8kbits/s speed=3.54x
frame= 7223 fps=106 q=26.0 size= 66988kB time=00:04:00.98 bitrate=2277.2kbits/s speed=3.54x
frame= 7285 fps=106 q=26.0 size= 67304kB time=00:04:03.05 bitrate=2268.5kbits/s speed=3.54x
frame= 7341 fps=106 q=26.0 size= 67682kB time=00:04:04.97 bitrate=2263.3kbits/s speed=3.54x
frame= 7399 fps=106 q=26.0 size= 68156kB time=00:04:06.82 bitrate=2262.0kbits/s speed=3.55x
frame= 7459 fps=106 q=26.0 size= 68626kB time=00:04:08.85 bitrate=2259.1kbits/s speed=3.55x
frame= 7519 fps=106 q=26.0 size= 69070kB time=00:04:10.85 bitrate=2255.5kbits/s speed=3.55x
frame= 7572 fps=106 q=26.0 size= 69583kB time=00:04:12.65 bitrate=2256.2kbits/s speed=3.55x
frame= 7624 fps=106 q=26.0 size= 70046kB time=00:04:14.37 bitrate=2255.7kbits/s speed=3.55x
frame= 7678 fps=106 q=26.0 size= 70486kB time=00:04:16.14 bitrate=2254.2kbits/s speed=3.55x
frame= 7726 fps=106 q=26.0 size= 70960kB time=00:04:17.74 bitrate=2255.3kbits/s speed=3.54x
frame= 7768 fps=106 q=26.0 size= 71567kB time=00:04:19.15 bitrate=2262.3kbits/s speed=3.54x
frame= 7816 fps=106 q=26.0 size= 72193kB time=00:04:20.75 bitrate=2268.0kbits/s speed=3.54x
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frame= 8297 fps=106 q=26.0 size= 77092kB time=00:04:36.82 bitrate=2281.4kbits/s speed=3.53x
frame= 8356 fps=106 q=26.0 size= 77645kB time=00:04:38.74 bitrate=2281.9kbits/s speed=3.53x
frame= 8414 fps=106 q=26.0 size= 78104kB time=00:04:40.74 bitrate=2279.0kbits/s speed=3.53x
frame= 8474 fps=106 q=26.0 size= 78606kB time=00:04:42.70 bitrate=2277.8kbits/s speed=3.54x
frame= 8528 fps=106 q=26.0 size= 79172kB time=00:04:44.52 bitrate=2279.5kbits/s speed=3.54x
frame= 8587 fps=106 q=26.0 size= 79795kB time=00:04:46.46 bitrate=2281.9kbits/s speed=3.54x
frame= 8653 fps=106 q=26.0 size= 80391kB time=00:04:48.68 bitrate=2281.3kbits/s speed=3.54x
frame= 8718 fps=106 q=26.0 size= 81021kB time=00:04:50.90 bitrate=2281.6kbits/s speed=3.55x
frame= 8779 fps=106 q=26.0 size= 81570kB time=00:04:52.90 bitrate=2281.3kbits/s speed=3.55x
frame= 8826 fps=106 q=26.0 size= 82147kB time=00:04:54.50 bitrate=2285.0kbits/s speed=3.55x
frame= 8882 fps=106 q=26.0 size= 82800kB time=00:04:56.36 bitrate=2288.8kbits/s speed=3.55x
frame= 8950 fps=106 q=26.0 size= 83343kB time=00:04:58.64 bitrate=2286.2kbits/s speed=3.55x
frame= 9018 fps=107 q=26.0 size= 83935kB time=00:05:00.90 bitrate=2285.1kbits/s speed=3.56x
frame= 9086 fps=107 q=26.0 size= 84481kB time=00:05:03.14 bitrate=2282.9kbits/s speed=3.56x
frame= 9151 fps=107 q=26.0 size= 85052kB time=00:05:05.30 bitrate=2282.2kbits/s speed=3.57x
frame= 9161 fps=106 q=-1.0 Lsize= 85813kB time=00:05:06.02 bitrate=2297.1kbits/s speed=3.56x
video:70963kB audio:14493kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.417440%
[libx264 @ 000000000043c3a0] frame I:43 Avg QP:17.04 size: 36009
[libx264 @ 000000000043c3a0] frame P:2866 Avg QP:20.64 size: 16000
[libx264 @ 000000000043c3a0] frame B:6252 Avg QP:24.39 size: 4040
[libx264 @ 000000000043c3a0] consecutive B-frames: 1.0% 6.9% 51.7% 40.5%
[libx264 @ 000000000043c3a0] mb I I16..4: 27.5% 65.5% 7.1%
[libx264 @ 000000000043c3a0] mb P I16..4: 3.7% 12.3% 0.8% P16..4: 35.0% 15.9% 7.6% 0.0% 0.0% skip:24.7%
[libx264 @ 000000000043c3a0] mb B I16..4: 0.4% 0.8% 0.0% B16..8: 42.8% 4.8% 1.0% direct: 5.4% skip:44.8% L0:34.0% L1:43.7% BI:22.3%
[libx264 @ 000000000043c3a0] 8x8 transform intra:71.3% inter:82.4%
[libx264 @ 000000000043c3a0] coded y,uvDC,uvAC intra: 65.8% 73.9% 23.9% inter: 26.4% 20.4% 1.3%
[libx264 @ 000000000043c3a0] i16 v,h,dc,p: 21% 47% 5% 28%
[libx264 @ 000000000043c3a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 26% 26% 4% 4% 4% 6% 4% 6%
[libx264 @ 000000000043c3a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 28% 8% 4% 6% 6% 8% 4% 7%
[libx264 @ 000000000043c3a0] i8c dc,h,v,p: 41% 31% 18% 9%
[libx264 @ 000000000043c3a0] Weighted P-Frames: Y:3.0% UV:2.5%
[libx264 @ 000000000043c3a0] ref P L0: 61.5% 19.2% 15.3% 3.9% 0.1%
[libx264 @ 000000000043c3a0] ref B L0: 83.3% 15.0% 1.7%
[libx264 @ 000000000043c3a0] ref B L1: 97.3% 2.7%
[libx264 @ 000000000043c3a0] kb/s:1901.79
[aac @ 00000000004b1080] Qavg: 583.592
[aac @ 0000000000474440] Qavg: 396.171And an example of a file that didn’t converted (in this case due to the fact that I didn’t specify to ignore subtitle stream, which I corrected by adding
-snto the batch file.) :Input #0, mpeg, from '571314.mpg':
Duration: 00:05:44.78, start: 0.060000, bitrate: 2989 kb/s
Stream #0:0[0x1bf]: Data: dvd_nav_packet
Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, smpte170m, top first), 720x480 [SAR 8:9 DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
Stream #0:2[0x81]: Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
Stream #0:3[0x20]: Subtitle: dvd_subtitle
Stream #0:4[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16p, 224 kb/s
Automatic encoder selection failed for output stream #0:2. Default encoder for format mp4 (codec none) is probably disabled. Please choose an encoder manually.
Error selecting an encoder for stream 0:2How exactly can I output a log file that simply state the files that weren’t converted and the error that entails. Example :
000002.mpg - Not converted
Automatic encoder selection failed for output stream #0:2. Default encoder for format mp4 (codec none) is probably disabled. Please choose an encoder manually.
Error selecting an encoder for stream 0:2
000123.mpg - Not converted
Automatic encoder selection failed for output stream #0:2. Default encoder for format mp4 (codec none) is probably disabled. Please choose an encoder manually.
Error selecting an encoder for stream 0:2This way, I won’t have to toy with a huge log file. Thanks !
-
Cutting a live stream into separate mp4 files
9 juin 2017, par FearhunterI am doing a research for cutting a live stream in piece and save it as mp4 files. I am using this source for the proof of concept :
And this is the example code I use :
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using Microsoft.WindowsAzure.MediaServices.Client;
using Newtonsoft.Json.Linq;
namespace AMSLiveTest
{
class Program
{
private const string StreamingEndpointName = "streamingendpoint001";
private const string ChannelName = "channel001";
private const string AssetlName = "asset001";
private const string ProgramlName = "program001";
// Read values from the App.config file.
private static readonly string _mediaServicesAccountName =
ConfigurationManager.AppSettings["MediaServicesAccountName"];
private static readonly string _mediaServicesAccountKey =
ConfigurationManager.AppSettings["MediaServicesAccountKey"];
// Field for service context.
private static CloudMediaContext _context = null;
private static MediaServicesCredentials _cachedCredentials = null;
static void Main(string[] args)
{
// Create and cache the Media Services credentials in a static class variable.
_cachedCredentials = new MediaServicesCredentials(
_mediaServicesAccountName,
_mediaServicesAccountKey);
// Used the cached credentials to create CloudMediaContext.
_context = new CloudMediaContext(_cachedCredentials);
IChannel channel = CreateAndStartChannel();
// Set the Live Encoder to point to the channel's input endpoint:
string ingestUrl = channel.Input.Endpoints.FirstOrDefault().Url.ToString();
// Use the previewEndpoint to preview and verify
// that the input from the encoder is actually reaching the Channel.
string previewEndpoint = channel.Preview.Endpoints.FirstOrDefault().Url.ToString();
IProgram program = CreateAndStartProgram(channel);
ILocator locator = CreateLocatorForAsset(program.Asset, program.ArchiveWindowLength);
IStreamingEndpoint streamingEndpoint = CreateAndStartStreamingEndpoint();
GetLocatorsInAllStreamingEndpoints(program.Asset);
// Once you are done streaming, clean up your resources.
Cleanup(streamingEndpoint, channel);
}
public static IChannel CreateAndStartChannel()
{
//If you want to change the Smooth fragments to HLS segment ratio, you would set the ChannelCreationOptions’s Output property.
IChannel channel = _context.Channels.Create(
new ChannelCreationOptions
{
Name = ChannelName,
Input = CreateChannelInput(),
Preview = CreateChannelPreview()
});
//Starting and stopping Channels can take some time to execute. To determine the state of operations after calling Start or Stop, query the IChannel.State .
channel.Start();
return channel;
}
private static ChannelInput CreateChannelInput()
{
return new ChannelInput
{
StreamingProtocol = StreamingProtocol.RTMP,
AccessControl = new ChannelAccessControl
{
IPAllowList = new List<iprange>
{
new IPRange
{
Name = "TestChannelInput001",
// Setting 0.0.0.0 for Address and 0 for SubnetPrefixLength
// will allow access to IP addresses.
Address = IPAddress.Parse("0.0.0.0"),
SubnetPrefixLength = 0
}
}
}
};
}
private static ChannelPreview CreateChannelPreview()
{
return new ChannelPreview
{
AccessControl = new ChannelAccessControl
{
IPAllowList = new List<iprange>
{
new IPRange
{
Name = "TestChannelPreview001",
// Setting 0.0.0.0 for Address and 0 for SubnetPrefixLength
// will allow access to IP addresses.
Address = IPAddress.Parse("0.0.0.0"),
SubnetPrefixLength = 0
}
}
}
};
}
public static void UpdateCrossSiteAccessPoliciesForChannel(IChannel channel)
{
var clientPolicy =
@"<?xml version=""1.0"" encoding=""utf-8""?>
<policy>
<domain uri=""></domain>
<resource path=""></resource>"" include-subpaths=""true""/>
</policy>
";
var xdomainPolicy =
@"<?xml version=""1.0"" ?>
";
channel.CrossSiteAccessPolicies.ClientAccessPolicy = clientPolicy;
channel.CrossSiteAccessPolicies.CrossDomainPolicy = xdomainPolicy;
channel.Update();
}
public static IProgram CreateAndStartProgram(IChannel channel)
{
IAsset asset = _context.Assets.Create(AssetlName, AssetCreationOptions.None);
// Create a Program on the Channel. You can have multiple Programs that overlap or are sequential;
// however each Program must have a unique name within your Media Services account.
IProgram program = channel.Programs.Create(ProgramlName, TimeSpan.FromHours(3), asset.Id);
program.Start();
return program;
}
public static ILocator CreateLocatorForAsset(IAsset asset, TimeSpan ArchiveWindowLength)
{
// You cannot create a streaming locator using an AccessPolicy that includes write or delete permissions.
var locator = _context.Locators.CreateLocator
(
LocatorType.OnDemandOrigin,
asset,
_context.AccessPolicies.Create
(
"Live Stream Policy",
ArchiveWindowLength,
AccessPermissions.Read
)
);
return locator;
}
public static IStreamingEndpoint CreateAndStartStreamingEndpoint()
{
var options = new StreamingEndpointCreationOptions
{
Name = StreamingEndpointName,
ScaleUnits = 1,
AccessControl = GetAccessControl(),
CacheControl = GetCacheControl()
};
IStreamingEndpoint streamingEndpoint = _context.StreamingEndpoints.Create(options);
streamingEndpoint.Start();
return streamingEndpoint;
}
private static StreamingEndpointAccessControl GetAccessControl()
{
return new StreamingEndpointAccessControl
{
IPAllowList = new List<iprange>
{
new IPRange
{
Name = "Allow all",
Address = IPAddress.Parse("0.0.0.0"),
SubnetPrefixLength = 0
}
},
AkamaiSignatureHeaderAuthenticationKeyList = new List<akamaisignatureheaderauthenticationkey>
{
new AkamaiSignatureHeaderAuthenticationKey
{
Identifier = "My key",
Expiration = DateTime.UtcNow + TimeSpan.FromDays(365),
Base64Key = Convert.ToBase64String(GenerateRandomBytes(16))
}
}
};
}
private static byte[] GenerateRandomBytes(int length)
{
var bytes = new byte[length];
using (var rng = new RNGCryptoServiceProvider())
{
rng.GetBytes(bytes);
}
return bytes;
}
private static StreamingEndpointCacheControl GetCacheControl()
{
return new StreamingEndpointCacheControl
{
MaxAge = TimeSpan.FromSeconds(1000)
};
}
public static void UpdateCrossSiteAccessPoliciesForStreamingEndpoint(IStreamingEndpoint streamingEndpoint)
{
var clientPolicy =
@"<?xml version=""1.0"" encoding=""utf-8""?>
<policy>
<domain uri=""></domain>
<resource path=""></resource>"" include-subpaths=""true""/>
</policy>
";
var xdomainPolicy =
@"<?xml version=""1.0"" ?>
";
streamingEndpoint.CrossSiteAccessPolicies.ClientAccessPolicy = clientPolicy;
streamingEndpoint.CrossSiteAccessPolicies.CrossDomainPolicy = xdomainPolicy;
streamingEndpoint.Update();
}
public static void GetLocatorsInAllStreamingEndpoints(IAsset asset)
{
var locators = asset.Locators.Where(l => l.Type == LocatorType.OnDemandOrigin);
var ismFile = asset.AssetFiles.AsEnumerable().FirstOrDefault(a => a.Name.EndsWith(".ism"));
var template = new UriTemplate("{contentAccessComponent}/{ismFileName}/manifest");
var urls = locators.SelectMany(l =>
_context
.StreamingEndpoints
.AsEnumerable()
.Where(se => se.State == StreamingEndpointState.Running)
.Select(
se =>
template.BindByPosition(new Uri("http://" + se.HostName),
l.ContentAccessComponent,
ismFile.Name)))
.ToArray();
}
public static void Cleanup(IStreamingEndpoint streamingEndpoint,
IChannel channel)
{
if (streamingEndpoint != null)
{
streamingEndpoint.Stop();
streamingEndpoint.Delete();
}
IAsset asset;
if (channel != null)
{
foreach (var program in channel.Programs)
{
asset = _context.Assets.Where(se => se.Id == program.AssetId)
.FirstOrDefault();
program.Stop();
program.Delete();
if (asset != null)
{
foreach (var l in asset.Locators)
l.Delete();
asset.Delete();
}
}
channel.Stop();
channel.Delete();
}
}
}
}
</akamaisignatureheaderauthenticationkey></iprange></iprange></iprange>Now I want to make a method to cut a live stream for example every 15 minutes and save it as mp4 but don’t know where to start.
Can someone point me in the right direction ?
Kind regards
UPDATE :
I want to save the mp4 files on my hard disk.
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