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Autres articles (37)
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Use, discuss, criticize
13 avril 2011, parTalk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
A discussion list is available for all exchanges between users. -
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 (...) -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...)
Sur d’autres sites (6068)
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FFmpeg video metadata change
2 novembre 2014, par WarrenI am trying to change the video stream metadata. See (Change This Metadata) below. I can change the title of the movie ok but not any others. What is the ffmpeg line to change this.
This line below changes "Title Of The Movie" only
ffmpeg -i Input.mkv -metadata title="New Title" -c:v copy -c:a copy -c:s copy Output.mkv
Input #0, matroska,webm, from 'Input.mkv':
Metadata:
title : Title Of The Movie
encoder : libebml v1.2.3 + libmatroska v1.3.0
creation_time : 2014-08-02 12:58:30
Duration: 02:15:54.21, start: 0.000000, bitrate: 8177 kb/s
Chapter #0.0: start 0.000000, end 208.666778
Metadata:
title : Chapter 01
Chapter #0.1: start 208.666778, end 811.727578
Metadata:
title : Chapter 02
Chapter #0.2: start 811.727578, end 1077.868444
Metadata:
title : Chapter 03
Chapter #0.3: start 1077.868444, end 1345.302289
Metadata:
title : Chapter 04
Chapter #0.4: start 1345.302289, end 2000.415067
Metadata:
title : Chapter 05
Chapter #0.5: start 2000.415067, end 2487.276444
Metadata:
title : Chapter 06
Chapter #0.6: start 2487.276444, end 3097.302533
Metadata:
title : Chapter 07
Chapter #0.7: start 3097.302533, end 3503.958778
Metadata:
title : Chapter 08
Chapter #0.8: start 3503.958778, end 4060.347956
Metadata:
title : Chapter 09
Chapter #0.9: start 4060.347956, end 4582.202622
Metadata:
title : Chapter 10
Chapter #0.10: start 4582.202622, end 5083.078000
Metadata:
title : Chapter 11
Chapter #0.11: start 5083.078000, end 5537.698822
Metadata:
title : Chapter 12
Chapter #0.12: start 5537.698822, end 5826.612444
Metadata:
title : Chapter 13
Chapter #0.13: start 5826.612444, end 6553.088200
Metadata:
title : Chapter 14
Chapter #0.14: start 6553.088200, end 6903.730156
Metadata:
title : Chapter 15
Chapter #0.15: start 6903.730156, end 7271.055444
Metadata:
title : Chapter 16
Chapter #0.16: start 7271.055444, end 7582.241333
Metadata:
title : Chapter 17
Chapter #0.17: start 7582.241333, end 8153.937444
Metadata:
title : Chapter 18
Chapter #0.18: start 8153.937444, end 8154.208000
Metadata:
title : Chapter 19
Stream #0:0(eng): Video: h264 (High), yuv420p, 1920x800 [SAR 1:1 DAR 12:5], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
Metadata:
title : Change This Metadata
Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s (default)
Metadata:
title : Eng
Stream #0:2(eng): Subtitle: subrip (default)
Metadata:
title : Eng -
C# console app to process FFMPEG jpg stream output
15 septembre 2014, par Gabriel BarzolaI am looking some tip or idea in order to process an stream of jpg files created by a fFMPEG command.
There is a way to split the outpuStream to capture each jpg file ?
Here is the command
ffmpeg -i rtsp ://somertsp:554 -an -f image2pipe -vf fps=fps=5 -I execute that command using a C# application.
Here is a example code
class Program
{
private static BackgroundWorker worker;
private static MemoryStream buffer = new MemoryStream();
private static BinaryWriter bufferWriter = new BinaryWriter(buffer);
static void Main(string[] args)
{
string file = @"C:\ffmpeg\bin\ffmpeg.exe";
string arguments = @"-i rtsp://xxx:yyy@v5demo.wavestore.com:554/rtsp/00004 -an -f image2pipe -vf fps=fps=5 -qscale 0 -";
var processStartInfo = new ProcessStartInfo(file, arguments);
processStartInfo.CreateNoWindow = false;
processStartInfo.RedirectStandardError = true;
processStartInfo.RedirectStandardOutput = true;
processStartInfo.UseShellExecute = false;
worker = new BackgroundWorker();
worker.DoWork += worker_DoWork;
worker.WorkerReportsProgress = true;
worker.ProgressChanged += worker_ProgressChanged;
var process = new Process();
process.StartInfo = processStartInfo;
process.Start();
worker.RunWorkerAsync(process);
process.WaitForExit();
}
static void worker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
// save the image
}
static void worker_DoWork(object sender, DoWorkEventArgs e)
{
try
{
var internalWorker = sender as BackgroundWorker;
Process p = e.Argument as Process;
buffer = new MemoryStream();
bufferWriter = new BinaryWriter(buffer);
using (var reader = new BinaryReader(p.StandardOutput.BaseStream))
{
while (true)
{
//get the jpg image
}
}
}
catch (Exception ex)
{
// Log the error, continue processing the live stream
}
}
} -
FFMPEG conversion error from MKV to MP4 using libfdk_aac codec
23 août 2014, par Charlie BrownThe purpose of doing this is because my "Smart" samsung TV doesn’t play MKV files.
This thread mentions that there is no need for video conversion, just changing the container might suffice. After reading multiple threads on how to change the container of MKV to MP4, I downloaded and compiled the FFMPEG with libfdk_aac support from here. I tried converting a sample MKV file using this command :
ffmpeg -i "C:\VideoTest\Sample1.mkv" -c:v copy -c:a libfdk_aac -b:a 384k "C:\VideoTest\Sample2.mp4"but getting the following errors (copied from command prompt) :
[hevc @ 0000000000308ae0] Could not find ref with POC 113
[hevc @ 0000000000308ae0] Could not find ref with POC 111
[hevc @ 0000000000308ae0] Could not find ref with POC 109
[hevc @ 0000000000308ae0] Could not find ref with POC 107
Input #0, matroska,webm, from 'C:\VideoTest\Sample-1.mk
v':
Metadata:
encoder : libebml v1.3.0 + libmatroska v1.4.1
creation_time : 2014-07-16 08:54:02
Duration: 00:00:58.68, start: 0.042000, bitrate: 3520 kb/s
Chapter #0.0: start 0.000000, end 58.717000
Metadata:
title : Chapter 4
Stream #0:0: Video: hevc (Main), yuv420p(tv), 1920x816, SAR 1:1 DAR 40:17, 2
4 fps, 24 tbr, 1k tbn, 1k tbc (default)
Metadata:
_STATISTICS_WRITING_APP: mkvmerge v7.0.0 ('Where We Going') 64bit built on
Jun 9 2014 15:16:27
_STATISTICS_WRITING_APP-eng: mkvmerge v7.0.0 ('Where We Going') 64bit buil
t on Jun 9 2014 15:16:27
_STATISTICS_WRITING_DATE_UTC: 2014-07-16 08:54:02
_STATISTICS_WRITING_DATE_UTC-eng: 2014-07-16 08:54:02
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
BPS : 2733260
BPS-eng : 2733260
DURATION : 00:00:58.667000000
DURATION-eng : 00:00:58.667000000
NUMBER_OF_FRAMES: 1408
NUMBER_OF_FRAMES-eng: 1408
NUMBER_OF_BYTES : 20044023
NUMBER_OF_BYTES-eng: 20044023
Stream #0:1: Audio: dts (DTS), 48000 Hz, 5.1(side), fltp, 768 kb/s (default)
Metadata:
_STATISTICS_WRITING_APP: mkvmerge v7.0.0 ('Where We Going') 64bit built on
Jun 9 2014 15:16:27
_STATISTICS_WRITING_APP-eng: mkvmerge v7.0.0 ('Where We Going') 64bit buil
t on Jun 9 2014 15:16:27
_STATISTICS_WRITING_DATE_UTC: 2014-07-16 08:54:02
_STATISTICS_WRITING_DATE_UTC-eng: 2014-07-16 08:54:02
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
BPS : 767986
BPS-eng : 767986
DURATION : 00:00:58.625000000
DURATION-eng : 00:00:58.625000000
NUMBER_OF_FRAMES: 5496
NUMBER_OF_FRAMES-eng: 5496
NUMBER_OF_BYTES : 5627904
NUMBER_OF_BYTES-eng: 5627904
Stream #0:2(eng): Subtitle: hdmv_pgs_subtitle, 1920x1080 (default)
Metadata:
_STATISTICS_WRITING_APP: mkvmerge v7.0.0 ('Where We Going') 64bit built on
Jun 9 2014 15:16:27
_STATISTICS_WRITING_APP-eng: mkvmerge v7.0.0 ('Where We Going') 64bit buil
t on Jun 9 2014 15:16:27
_STATISTICS_WRITING_DATE_UTC: 2014-07-16 08:54:02
_STATISTICS_WRITING_DATE_UTC-eng: 2014-07-16 08:54:02
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
BPS : 17485
BPS-eng : 17485
DURATION : 00:00:56.750000000
DURATION-eng : 00:00:56.750000000
NUMBER_OF_FRAMES: 40
NUMBER_OF_FRAMES-eng: 40
NUMBER_OF_BYTES : 124036
NUMBER_OF_BYTES-eng: 124036
Output #0, mp4, to 'C:\VideoTest\Sample.mp4':
Metadata:
encoder : Lavf56.1.100
Chapter #0.0: start 0.000000, end 58.675000
Metadata:
title : Chapter 4
Stream #0:0: Video: hevc ([35][0][0][0] / 0x0023), yuv420p, 1920x816 [SAR 1:
1 DAR 40:17], q=2-31, 24 fps, 16k tbn, 1k tbc (default)
Metadata:
_STATISTICS_WRITING_APP: mkvmerge v7.0.0 ('Where We Going') 64bit built on
Jun 9 2014 15:16:27
_STATISTICS_WRITING_APP-eng: mkvmerge v7.0.0 ('Where We Going') 64bit buil
t on Jun 9 2014 15:16:27
_STATISTICS_WRITING_DATE_UTC: 2014-07-16 08:54:02
_STATISTICS_WRITING_DATE_UTC-eng: 2014-07-16 08:54:02
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
BPS : 2733260
BPS-eng : 2733260
DURATION : 00:00:58.667000000
DURATION-eng : 00:00:58.667000000
NUMBER_OF_FRAMES: 1408
NUMBER_OF_FRAMES-eng: 1408
NUMBER_OF_BYTES : 20044023
NUMBER_OF_BYTES-eng: 20044023
Stream #0:1: Audio: aac (libfdk_aac) ([64][0][0][0] / 0x0040), 48000 Hz, 5.1
, s16, 128 kb/s (default)
Metadata:
_STATISTICS_WRITING_APP: mkvmerge v7.0.0 ('Where We Going') 64bit built on
Jun 9 2014 15:16:27
_STATISTICS_WRITING_APP-eng: mkvmerge v7.0.0 ('Where We Going') 64bit buil
t on Jun 9 2014 15:16:27
_STATISTICS_WRITING_DATE_UTC: 2014-07-16 08:54:02
_STATISTICS_WRITING_DATE_UTC-eng: 2014-07-16 08:54:02
_STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
BPS : 767986
BPS-eng : 767986
DURATION : 00:00:58.625000000
DURATION-eng : 00:00:58.625000000
NUMBER_OF_FRAMES: 5496
NUMBER_OF_FRAMES-eng: 5496
NUMBER_OF_BYTES : 5627904
NUMBER_OF_BYTES-eng: 5627904
encoder : Lavc56.0.101 libfdk_aac
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (dts (dca) -> aac (libfdk_aac))
Press [q] to stop, [?] for help
[mp4 @ 0000000003be0500] Invalid DTS: 656 PTS: -672 in output stream 0:0
av_interleaved_write_frame(): Invalid argument
[libfdk_aac @ 00000000042fa640] Trying to remove 1024 samples, but the queue is
empty
[mp4 @ 0000000003be0500] Encoder did not produce proper pts, making some up.
[libfdk_aac @ 00000000042fa640] Trying to remove 1024 samples, but the queue is
empty
frame= 2 fps=0.0 q=-1.0 Lsize= 96kB time=00:00:00.04 bitrate=18415.0kbit
s/s
video:95kB audio:1kB subtitle:0kB other streams:0kB global headers:0kB muxing ov
erhead: 0.570364%
Conversion failed!Also tried using this command :
ffmpeg -i input.wav -c:a libfdk_aac -b:a 128k output.mp4But this screws up the video quality and I start seeing some bad pixelated patches during the playback.
Any help would be appreciated.
Just an FYI : I got this far by reading blogs and posts. I have 0 knowledge about video conversion.
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