mpegts | Python module for decoding MPEG2 transport streams
kandi X-RAY | mpegts Summary
kandi X-RAY | mpegts Summary
Python module for decoding MPEG2 transport streams
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- Generate TSP packet .
- parse the packet
- Initialize the instance .
- True if the header is a header .
- Return a string representation of the state .
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mpegts Examples and Code Snippets
Community Discussions
Trending Discussions on mpegts
QUESTION
I am using ffmepg to stream via RTSP from a webcam to my server.
This stream comes in at a high resolution (2560 x 1980) at only 2fps.
I want to create two hls streams:
- Resolution of 800x600 with h264 encoding and and 0.5fps
- Crop part of the input stream and convert it as h264 as well with 0.5fps
So it's basically that I want one output of the stream in reduced fps and resolution and secondly and output showing only a close up part of the original stream.
I am using the following commands:
...ANSWER
Answered 2022-Mar-13 at 18:38Output options are applied per output.
As a general rule, options are applied to the next specified file. Therefore, order is important, and you can have the same option on the command line multiple times. Each occurrence is then applied to the next input or output file. Exceptions from this rule are the global options (e.g. verbosity level), which should be specified first.
So, the first -r
(and -an
) only applies to the first output. You need to repeat all the common options for each output url.
QUESTION
I've a C920 HD camera connected to a Raspberry Pi 4 and my goal is to be able to access a stream of that camera anytime from my phone / laptop both connected to my network with a VPN.
Now, I managed to use ffmpeg like this:
...ANSWER
Answered 2022-Mar-02 at 00:24Nginx can be configured to host an RTMP video stream that will be used to play the stream coming from ffmpeg
in all my devices. For this we need to install libnginx-mod-rtmp
and configure nginx for RTMP:
apt install libnginx-mod-rtmp
- Append the following to
/etc/nginx/nginx.conf
:
QUESTION
I am receiving a video stream (mpegts
over rtp
over udp
). for the moment I need to start the "receiver" before the "streamer" gstreamer command. Is there a way to receive the stream while active?
So I don't need to start the receiver before the streamer.
I may not be able to choose when the stream starts or stop so it is important that I can receive it even when already playing.
...ANSWER
Answered 2022-Feb-17 at 19:32The simplest way would be to have the sender to periodically send config so that your receiver can setup. There are various way to do that:
QUESTION
I have a AWS Lambda Python function setup to process jpg and convert it to a ts file.
I followed these instructions https://aws.amazon.com/blogs/media/processing-user-generated-content-using-aws-lambda-and-ffmpeg/ but changed the command from vfr to cfr conversion to a jpg to ts conversion.
This is the command I am using
ffmpeg_cmd = "/opt/bin/ffmpeg -r 30000/1001 -loop 1 -i \"" + s3_source_signed_url + "\" -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=48000 -t 30 -vcodec libx264 -crf 23 -s 1920x1080 -r 30000/1001 -g 150 -pix_fmt yuv420p -acodec aac -b:a 96k -ar 48000 -"
Everything else is basically the same from the AWS article besides having s3 triggers in my Lambda look for jpeg and jpg suffixes.
But this results in 0 byte ts file.
I have a hunch that I need to modify the command that has a seekable output format (e.g. mpegts) when writing to stdout; currently my command is likely not working for stdout and that is why I get an empty ts file. But I am having trouble formatting the command correctly. Any help with this would be greatly appreciated!
...ANSWER
Answered 2022-Jan-24 at 21:51The key to solving this issue was using temporary folders and using subprocess call
Here is the Lambda function code
QUESTION
i found this script but it need input filename and output filename to work
i'm windows user so i dont know how to run this script for each files in folder
what i want is :
sourcefile=$1 -> this should be input directory
destfile=$2 -> output directory or just originalfilename_preview
so when i'm try to excute script, it will run through files in input directory and excute two ffmpeg script inside
the first ffmpeg script will split video into multiple files in temp folder
the second ffmpeg merge those files in temp folder and complete the whole process with output folder or originalfilename_preview
-> loop for next files until completed
...ANSWER
Answered 2022-Jan-19 at 05:43The easiest is probably to keep the script as it is and to use a bash loop to process all files in the input directory. Let's assume:
- the input directory is
/my/video/files
, - you want to store all outputs in directory
/some/where
, - the script you show is in
/else/where/myscript.sh
, - you want to process all files in the input directory.
Just open a terminal where bash
is the interactive shell and type:
QUESTION
I'm currently working on a media streaming server using ASP.net Core REST Server. I'm currently using .net 5.0 and ASP.net Core MVC
What I needI need to be able to dynamically down-res the original video file. from 1080p to 720p for example. Also I need to be able to make the media file able to be transcoded to a different encoding based on client capabilities.
What I've TriedI've been looking for a library that can manage this feat, but I can't seem to find one. I thought FFMpeg would be able to do this. I know this is possible because applications like plex and emby seem to manage this.'
C# ...ANSWER
Answered 2021-Nov-10 at 10:57Your problem is with this line:
QUESTION
I'm trying to make a continuous livestream of videos downloaded via yt-dlp. I need to port this (working) bash command into Python.
...ANSWER
Answered 2021-Nov-07 at 18:06Closing the stdin
pipe is required for "pushing" the sub-process remaining (buffered) data to stdout
pipe.
For example, add encoder_p.stdin.close()
after finish writing all data to encoder_p.stdin
.
I don't understand how your code is working.
In my machine, it gets stack at encoder_buf = encoder_p.stdout.read(COPY_BUFSIZE)
.
I solved the problem using a "writer thread".
The "writer thread" reads data from yt_dlp_p
and write it to encoder_p.stdin
.
Note: In your specific case, it could work without a thread (because the data is just passed through FFmpeg, and not being encoded), but usually, the encoded data is not ready right after writing the input to FFmpeg.
My code sample uses FFplay sub-process for playing the video (we need the video player because the RTMP streaming requires a "listener" in order to keep streaming).
Here is a complete code sample:
QUESTION
I am developing an application that should play streaming video
I am trying to play h264 streaming video in MediaElement
, but MediaElement remains empty
I use FFmpeg
as the video source
ANSWER
Answered 2021-Oct-29 at 12:21Setting the property VideoDecoderMode = VideoDecoderMode.ForceFFmpegSoftwareDecoder solved the problem.
QUESTION
ANSWER
Answered 2021-Oct-11 at 18:55You need to check the Pid
field - Packet identifier flag, used to associate one packet with a set
. Which can have a lot of valid values but must first come with values like PatPid
, SdtPid
.
If these values do not appear in the first packets it is probably not video.
QUESTION
I have a ".ts" file. It is the baseband frame of a DVBS signal which have been recorded. It has some Programs and streams. I use FFmpeg to reconstruct the streams. When I use FFmpeg, this context is shown which contains service_name. How I can export a list of Programs (Not streams) and service_names? ffmpeg.exe -i '.\log_dvbs.ts'
...ANSWER
Answered 2021-Oct-08 at 16:21Using ffprobe
:
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Install mpegts
You can use mpegts like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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