mpegts | Javascript HTTP Live Streaming realtime converter and player | Video Utils library
kandi X-RAY | mpegts Summary
kandi X-RAY | mpegts Summary
Javascript HTTP Live Streaming realtime converter and player
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QUESTION
I'm trying to convert a .ts file with this output to mkv:
...ANSWER
Answered 2021-May-02 at 08:14Try to run with the -ss
flag.
QUESTION
I wonder if someone can help explain what is happening?
I run 2 subprocesses, 1 for ffprobe and 1 for ffmpeg.
...ANSWER
Answered 2021-May-23 at 15:46What type is the ffmpegcmd
variable? Is it a string or a list/sequence?
Note that Windows and Linux/POSIX behave differently with the shell=True
parameter enabled or disabled. It matters whether ffmpegcmd
is a string or a list.
Direct excerpt from the documentation:
On POSIX with shell=True, the shell defaults to /bin/sh. If args is a string, the string specifies the command to execute through the shell. This means that the string must be formatted exactly as it would be when typed at the shell prompt. This includes, for example, quoting or backslash escaping filenames with spaces in them. If args is a sequence, the first item specifies the command string, and any additional items will be treated as additional arguments to the shell itself. That is to say, Popen does the equivalent of:
Popen(['/bin/sh', '-c', args[0], args[1], ...])
On Windows with shell=True, the COMSPEC environment variable specifies the default shell. The only time you need to specify shell=True on Windows is when the command you wish to execute is built into the shell (e.g. dir or copy). You do not need shell=True to run a batch file or console-based executable.
QUESTION
I'd like to be able to stream the video from my webcam to an Android app with a latency below 500ms, on my local network.
To capture and send the video over the network, I use ffmpeg.
...ANSWER
Answered 2021-May-20 at 11:24I do not know a native low latency player in Android.
However you can use a WebView
in Android Studio and use a player in the web.
With this solution I streamed the webcam of my pc to my phone (in the local network) with livecam.
They use websockets to transmit the video frame by frame, which is not ideal. With this method I had 370 ms of latency.
QUESTION
I have a NodeJS application running on an EC2 instance, which has some feature where users can record multiple videos.
When the user logs out I am using ffmpeg(version 4.2.4) to combine all those videos into single a video.
I am recording the video in WEBM
format, and the final single video should be in MP4
format.
Suppose the user has recorded 3 videos of 10 minutes each, then in last when the user logs out, all these 3 videos should be combined into the single video on length of 30 minutes.
Now everything is working fine, but the CPU usage is high when all the conversation and concatenation are going around.
CPU usage is sometimes as high as 60-70%
The process I am following is
Convert the
...webm
file to themp4
file.
ANSWER
Answered 2021-May-04 at 14:00You will need a work queue of postprocessing tasks. A simple Javascript array can serve as a queue: you .push()
new items into the queue and .shift()
them out to consume them.
You will need a looping function to consume the queue, looking something like this.
QUESTION
I am using the following command on several video streams to pipe them into my TVHeadend server.
...ANSWER
Answered 2021-Apr-27 at 14:59Change from
QUESTION
I am trying to encode youtube live stream to UDP destination using youtube-dl and ffmpeg with below command
...ANSWER
Answered 2021-Apr-22 at 16:37I have got it solved using below command using Streamlink with ffmpeg. sharing so anyone needed can refer that.
QUESTION
I am trying to use ffmpeg to downscale a video and pipe the stdout data to ffplay to play the new downsized video by piping it to ffplay on aws lambda.
This is the command I have so far, but for some reason adding a scale option is not working.
I am trying to run this command locally before I deploy it on python with subprocess command. I need the raw video to be able to save into database for streaming the data in realtime.
%ffmpeg -i sample.mp4 -vf scale=240:-2 -f mpegts -c:v copy -af aresample=async=1:first_pts=0 - | ffplay -
adding the scale optioin for some reason is saving the video as the name scale=240:-2 which does not make sense.
...ANSWER
Answered 2021-Apr-02 at 16:43This command makes it so that you can convert it in memory rather than saving the video to a local storage as mp4. You can remove the -movflags if you are formatting it as mpegts, but in the case of mp4 you need fragmented flag.
QUESTION
I remultiplex two multicasts into one using something like the following:
...ANSWER
Answered 2021-Mar-31 at 10:15The answer is to add -xerror
to the options to force ffmpeg to stop and exit on error.
This can be combined with a -timeout
value for the input in question, in which case ffmpeg will quit as soon as no data arrives for that period of time.
Alternatively, circular buffer overrun can be used to trigger the error, but ffmpeg will not actually fail until the next read from the input buffer to the thread message queue, which requires the failed multicast to come back because the thread message queue will be blocked (depending on the fifo_size
and thread_queue_size
options specified).
QUESTION
I have a few videos coming from a Sony Nex-5N. Basically they are "compiled" in an AVCHD. The format that is inside is MTS. I'm able to convert the videos losslessly but the resulting MP4 has no audio.
...ANSWER
Answered 2021-Mar-17 at 06:28You have -an
switch in your command line. This removes audio from output.
QUESTION
We are trying to use Gstreamer's mpegts pluging to record a video stream stream using the following Gstreamer example code https://gstreamer.freedesktop.org/documentation/mpegtsmux/mpegtsmux.html?gi-language=c. When we compile the code using gcc mpegtstest.c -o mpegtstest `pkg-config --cflags --libs gstreamer-1.0 gstreamer-mpegts-1.0` -v
everything works as expected and the program records with no issues. We are now trying to compile the code using cmake
and make
. cmake
generates correctly but make
fails with error.
/usr/bin/ld: cannot find -lgstreamer-mpegts-1.0
.
CMakeLists.txt
...ANSWER
Answered 2021-Feb-26 at 01:08Based on your cmake
output, I'd guess that you're using a version of FindGStreamer.cmake
cribbed from WebKit. If that's the case, the variable you want to use is GSTREAMER_MPEGTS_INCLUDE_DIRS
. Note the lack of a hyphen in the variable name.
If that's not the case, use a simple message()
statement before the use of a variable to show you its value during the cmake
step.
In your CMakeLists.txt
:
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