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Submit bugs and patches
13 avril 2011Unfortunately a software is never perfect.
If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
You may also (...) -
Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs
Sur d’autres sites (10511)
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how to add duration to mjpeg or how to make mjpeg faster
10 octobre 2014, par n2v2rda2i have ip-cam mjpeg that i made and it have total 240 frames
encode souce is
ffmpeg.exe -framerate 25 -i c :\%06d.jpg\ -s 1920x1080 -qscale 1 -vcodec mjpeg -r 25 C :\result.mjpg -ynow i want to play result.mjpg by mjpeg player i made
my problem
1. i can't get mjpeg's play time or duration time
2. playing is slower then other movie player so i want to sync it and play more fasterbelow is ffprobe result
Input #0, mjpeg, from 'result.mjpg':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: mjpeg, yuvj444p(pc, bt470bg), 1920x1080, 25 tbr, 1200k tbn, 25 tbcbelow is result added -show_frame
[FRAME]
media_type=video
key_frame=1
pkt_pts=720000
pkt_pts_time=0.600000
pkt_dts=720000
pkt_dts_time=0.600000
best_effort_timestamp=720000
best_effort_timestamp_time=0.600000
pkt_duration=48000
pkt_duration_time=0.040000
pkt_pos=4731406
pkt_size=313289
width=1920
height=1080
pix_fmt=yuvj444p
sample_aspect_ratio=333:320
pict_type=I
coded_picture_number=0
display_picture_number=0
interlaced_frame=0
top_field_first=0
repeat_pict=0
[/FRAME]ffprobe show me there are Duration : N/A, bitrate : N/A
how do i set Duration and bitrate
is there any encode-option i have to set ?when i decode mjpeg like below
i can’t get duration just 0
AVFormatContext* pFC;
int ret;
pFC = avformat_alloc_context();
ret = avformat_open_input(&pFC, filename, NULL, NULL);
if (ret < 0) {
// fail .
}
ret = avformat_find_stream_info(pFC, NULL);
if (ret < 0) {
// fail
}
printf("duration %ld", pFC->duration); <----- only 0 -
How can I generate encoded HEVC bitstream using ffmpeg ?
31 octobre 2014, par jgmaoI am able to encoded YUV file to mp4 using HEVC :
ffmpeg.exe -f rawvideo -s 1920x1080 -pix_fmt yuv420p -i input.yuv -c:v hevc -r 30 -x265-params crf=27 -vframes 300 -an -y test.mp4Here is the mp4box -info test.mp4 shows :
* Movie Info *
Timescale 1000 - Duration 00:00:10.000
1 track(s)
Fragmented File: no
File suitable for progressive download (moov before mdat)
File Brand isom - version 512
Created: UNKNOWN DATE Modified: UNKNOWN DATE File has no MPEG4 IOD/OD
iTunes Info:
Encoder Software: Lavf56.11.100
Track # 1 Info - TrackID 1 - TimeScale 15360 - Media Duration 00:00:10.000 Track has 1 edit lists: track duration is 00:00:10.000 Media Info: Language "Undetermined" - Type "vide:hev1" - 300 samples Visual Track layout: x=0 y=0 width=1920 height=1080 MPEG-4 Config: Visual Stream - ObjectTypeIndication 0x23 HEVC Video - Visual Size 1920 x 1080
HEVC Info: Profile Main @ Level 5 - Chroma Format 1
NAL Unit length bits: 32 - general profile compatibility 0x60000000
Parameter Sets: 1 VPS 1 SPS 1 PPS
SPS resolution 1920x1080
Bit Depth luma 8 - Chroma 8 - 1 temporal layersBut how can I get the decodeble bit stream ? I tried
mp4box -raw 1 test.mp4 -out out.binIt gives :
Extracting MPEG-H HEVC stream to hevcBut the out.bin couldn’t be decoded by HM or elecard.
Thanks
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Not all portions of video play well after concatenation
24 septembre 2018, par srgbndNode.JS 8.11.4, fluent-ffmpeg 2.1.2
I need to concatenate random portions of the same length of different videos in one video file. The concatenation proceeds without errors. But when I play the final concatenated file I see some portions playing well with sound, others have video "frozen" but sounds playing.
What’s the problem ? I want all portions playing well in the final concatenated file.
Concatenation config :
trex@cave:/media/trex/safe1/Development/app$ head concat_config.txt
file /media/trex/safe1/Development/app/videos/test/417912400.mp4
inpoint 145
outpoint 155
file /media/trex/safe1/Development/app/videos/test/440386842.mp4
inpoint 59
outpoint 69
file /media/trex/safe1/Development/app/videos/test/417912400.mp4
inpoint 144
outpoint 154
...In total, I have 16 portions of 2 videos. Duration of a portion is 10 sec. In the future the number of video files and portions will be much bigger.
trex@cave:/media/trex/safe1/Development/app$ ls -lh videos/test/
total 344M
-rw-r--r-- 1 trex trex 90M set 23 12:19 417912400.mp4
-rw-r--r-- 1 trex trex 254M set 23 12:19 440386842.mp4JavaScript code for the concatentaion :
const fs = require('fs');
const path = require('path');
const _ = require('lodash');
const ffmpegPath = require('@ffmpeg-installer/ffmpeg').path;
const ffprobePath = require('@ffprobe-installer/ffprobe').path;
const ffmpeg = require('fluent-ffmpeg');
ffmpeg.setFfmpegPath(ffmpegPath);
ffmpeg.setFfprobePath(ffprobePath);
function getMetadata(absPathToFile) {
return new Promise(function (resolve, reject) {
ffmpeg.ffprobe(absPathToFile, function(err, metadata) {
if (err) {
reject('get video meta: ' + err.toString());
}
resolve(metadata);
});
});
}
async function getFormat(files) {
const pArray = files.map(async f => {
const meta = await getMetadata(f);
meta.format.short_filename = meta.format.filename.split('/').pop();
return meta.format;
});
return await Promise.all(pArray);
}
function getSliceValues(duration, max = 10) {
max = duration < max ? duration * 0.5 : max; // sec
const start = _.random(0, duration * 0.9);
const end = start + max > duration ? duration : start + max;
return `inpoint ${Math.floor(start)}\noutpoint ${Math.floor(end)}\n`;
}
function addPath(arr, aPath) {
return arr.map(e => path.join(aPath, e));
}
function createConfig(meta) {
return meta.map(video => `file ${video.filename}\n${getSliceValues(video.duration)}`).join('');
}
function duplicateMeta(meta) {
for (let i = 0; i < 3; i++) {
meta.push(...meta);
}
return _.shuffle(meta);
}
const videoFolder = path.join(__dirname, 'videos/test');
const finalVideo = 'final_video.mp4';
const configFile = 'concat_config.txt';
// main
(async () => {
let videos = addPath(fs.readdirSync(videoFolder), videoFolder);
let meta = await getFormat(videos);
meta = duplicateMeta(meta); // get multiple portions of videos
fs.writeFileSync(configFile, createConfig(meta));
const mpeg = ffmpeg();
mpeg.input(configFile)
.inputOptions(['-f concat', '-safe 0'])
.outputOptions('-c copy')
.save(finalVideo);
})();Video files formats :
{ streams:
[ { index: 0,
codec_name: 'h264',
codec_long_name: 'H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10',
profile: 'High',
codec_type: 'video',
codec_time_base: '1001/60000',
codec_tag_string: 'avc1',
codec_tag: '0x31637661',
width: 1920,
height: 1080,
coded_width: 1920,
coded_height: 1088,
has_b_frames: 2,
sample_aspect_ratio: '1:1',
display_aspect_ratio: '16:9',
pix_fmt: 'yuv420p',
level: 40,
color_range: 'tv',
color_space: 'bt709',
color_transfer: 'bt709',
color_primaries: 'bt709',
chroma_location: 'left',
field_order: 'unknown',
timecode: 'N/A',
refs: 1,
is_avc: 'true',
nal_length_size: 4,
id: 'N/A',
r_frame_rate: '30000/1001',
avg_frame_rate: '30000/1001',
time_base: '1/30000',
start_pts: 0,
start_time: 0,
duration_ts: 4936900,
duration: 164.563333,
bit_rate: 4323409,
max_bit_rate: 'N/A',
bits_per_raw_sample: 8,
nb_frames: 4932,
nb_read_frames: 'N/A',
nb_read_packets: 'N/A',
tags: [Object],
disposition: [Object] },
{ index: 1,
codec_name: 'aac',
codec_long_name: 'AAC (Advanced Audio Coding)',
profile: 'LC',
codec_type: 'audio',
codec_time_base: '1/48000',
codec_tag_string: 'mp4a',
codec_tag: '0x6134706d',
sample_fmt: 'fltp',
sample_rate: 48000,
channels: 2,
channel_layout: 'stereo',
bits_per_sample: 0,
id: 'N/A',
r_frame_rate: '0/0',
avg_frame_rate: '0/0',
time_base: '1/48000',
start_pts: 0,
start_time: 0,
duration_ts: 7899120,
duration: 164.565,
bit_rate: 256000,
max_bit_rate: 263232,
bits_per_raw_sample: 'N/A',
nb_frames: 7714,
nb_read_frames: 'N/A',
nb_read_packets: 'N/A',
tags: [Object],
disposition: [Object] } ],
format:
{ filename: '/media/trex/safe1/Development/app/videos/test/417912400.mp4',
nb_streams: 2,
nb_programs: 0,
format_name: 'mov,mp4,m4a,3gp,3g2,mj2',
format_long_name: 'QuickTime / MOV',
start_time: 0,
duration: 164.565,
size: 94298844,
bit_rate: 4584150,
probe_score: 100,
tags:
{ major_brand: 'mp42',
minor_version: '0',
compatible_brands: 'mp42mp41isomavc1',
creation_time: '2015-09-21T19:11:21.000000Z' } },
chapters: [] }
{ streams:
[ { index: 0,
codec_name: 'h264',
codec_long_name: 'H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10',
profile: 'High',
codec_type: 'video',
codec_time_base: '1001/48000',
codec_tag_string: 'avc1',
codec_tag: '0x31637661',
width: 2560,
height: 1440,
coded_width: 2560,
coded_height: 1440,
has_b_frames: 2,
sample_aspect_ratio: '1:1',
display_aspect_ratio: '16:9',
pix_fmt: 'yuv420p',
level: 51,
color_range: 'tv',
color_space: 'bt709',
color_transfer: 'bt709',
color_primaries: 'bt709',
chroma_location: 'left',
field_order: 'unknown',
timecode: 'N/A',
refs: 1,
is_avc: 'true',
nal_length_size: 4,
id: 'N/A',
r_frame_rate: '24000/1001',
avg_frame_rate: '24000/1001',
time_base: '1/24000',
start_pts: 0,
start_time: 0,
duration_ts: 4206200,
duration: 175.258333,
bit_rate: 11891834,
max_bit_rate: 'N/A',
bits_per_raw_sample: 8,
nb_frames: 4202,
nb_read_frames: 'N/A',
nb_read_packets: 'N/A',
tags: [Object],
disposition: [Object] },
{ index: 1,
codec_name: 'aac',
codec_long_name: 'AAC (Advanced Audio Coding)',
profile: 'LC',
codec_type: 'audio',
codec_time_base: '1/48000',
codec_tag_string: 'mp4a',
codec_tag: '0x6134706d',
sample_fmt: 'fltp',
sample_rate: 48000,
channels: 2,
channel_layout: 'stereo',
bits_per_sample: 0,
id: 'N/A',
r_frame_rate: '0/0',
avg_frame_rate: '0/0',
time_base: '1/48000',
start_pts: 0,
start_time: 0,
duration_ts: 8414160,
duration: 175.295,
bit_rate: 256000,
max_bit_rate: 262152,
bits_per_raw_sample: 'N/A',
nb_frames: 8217,
nb_read_frames: 'N/A',
nb_read_packets: 'N/A',
tags: [Object],
disposition: [Object] } ],
format:
{ filename: '/media/trex/safe1/Development/app/videos/test/440386842.mp4',
nb_streams: 2,
nb_programs: 0,
format_name: 'mov,mp4,m4a,3gp,3g2,mj2',
format_long_name: 'QuickTime / MOV',
start_time: 0,
duration: 175.295,
size: 266214940,
bit_rate: 12149345,
probe_score: 100,
tags:
{ major_brand: 'mp42',
minor_version: '0',
compatible_brands: 'mp42mp41isomavc1',
creation_time: '2015-11-15T19:30:49.000000Z' } },
chapters: [] }
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