I have successfully written a Qt program to play a video from a RTP stream (or other sources). I am using the Phonon classes MediaObject and VideoWidget. My question is: how can I gain access to the individual frames? I wanted to do motion detection by differencing successive frames. Many thanks for your advice. wpoet. ...
Can I somehow tell GStreamer to look for plugins in a specified directory? ...
I want to use Python bindings for GStreamer on windows. But looking at the INSTALL file, the gstreamer does it in the unix way. (make make install) . I don't want to install cygwin or other windowsunix environments. Is there a GPL binary distribution of GStreamer available somewhere? (or a script that can just install it using python s...
I am writing a GStreamer application (GStreamer uses DirectShow under the hood on Windows) that captures a computer's microphone and videocamera. It works fine, but requires me to specify the device names manually. I would like to have my program detect these automatically. Does anyone know how to do that? ...
I am using Python bindings for Gstreamer and am using the following pipeline to convert a wav file to mp3. I used one of the suggestions in this question , with some modifications (as I was getting some errors when original syntax was used) gst.parse_launch("filesrc location=C:\\music.wav ! decodebin ! audioconvert ! lame ! files...
can i set the object to play the incoming video using g_object_set? i set the object like this "g_object_set (G_OBJECT (rtpbin), "destinations","host", NULL);" but not playing the video. pls help me to solve this problem. ...
hi, I am trying to play a sound file using : gst-launch playbin uri="some URL" where, URL is the whole url of that file. It plays this file, but there is buffering problem and I can't listen to most of the audio. Is there a simple command line argument that will solve this buffering issue. Example: use of appsrc to store a tem...
I would like to use gstreamer to save an arbitrary clip from one audio file to a new file. For example, a segment from 1 minute to 2 minutes in the original. How do I do it? ...
Dear all, I am trying to play some audio files with the CLI example on this site: http://pygstdocs.berlios.de/pygst-tutorial/playbin.html http://pygstdocs.berlios.de/pygst-tutorial/playbin.html I am on windows and it is giving error while reading the file. I specified the following path: $ python cliplayer.py C:\\voice.mp3 0:00:00....
I tried using phonon to play the video but could not succeed. Off-late came to know through the Qt forums that even the latest version of Qt does not support phonon. Thats when i started using Gstreamer.Any suggestions as to how to connect the Gstreamer window with the Qt widget?My aim is to play a video using Gstreamer on the Qt widget....
I'm creating a GStreamer application based on XULRunner. To achieve this created an XPCOM component that makes some of the GStreamer functionality available in a XUL application. However, GStreamer normally makes use of a message loop (GMainLoop) which enables one to receive bus messages. Because XULRunner already has its own message loo...
So could i get a more specific answer as to how to use GST_X_OVERLAY() to connect the gstreamer window to play the video on qt gui window instead of it playing on different windows. thankQ in advance. ...
hi, I am trying to interleave two audio files as given in the interleave GStreamer documentation: gst-launch interleave name=i ! audioconvert ! wavenc ! filesink location=file.wav filesrc location=file1.wav ! \ decodebin ! audioconvert ! "audio/x-raw-int,channels=1" ! queue ! i.sink0 filesrc location=file2.wav ! \ decodebin ! audio...
I'm trying to write a program to control a robot by interpreting frames from a webcam and happened upon GStreamer. I've been able to stream video in Python from the webcam with GStreamer with help from this page: http://www.ndeschildre.net/2008/04/04/python-power/ However, I don't know how to ask for a single RGB-encoded frame from the...
hi I am trying to visualize a music file in gstreamer using the following command: gst-launch filesrc location=file.mp3 ! decodebin ! audioconvert ! tee name=myT myT. ! queue ! autoaudiosink myT. ! queue ! goom ! colorspace ! autovideosink But I get this error : "There may be a timestamping problem, or this computer is too slow." P...
I created a GStreamer pipeline that takes multiple input sources: camera audio/video, a logo and a screen capture video that is received as a RTP stream). It combines these sources into one video using the videomixer element. The screen capture stream however seems to lag 2 seconds behind the rest. In order to fix this I would like to i...
What is the syntax for caps, specifying media capabilities, in gstreamer? Caps are strings that specify the type of media allowed and look like "audio/x-raw-int,..." but I haven't been able to find good documentation on exactly what is allowed in a caps string. ...
please help me convert this into a qt program. this is a gstreamer program to stream video via udp source. i need to implement this in Qt......the program i'm using is shown below.......... #include #include #include GstElement *pipeline, *source, *decoder, *video_s...
Hi everyone, I'm working with PyQt and trying to get video from a webcam to play within a QT widget. I've found tutorials for C and Qt, and for python and gtk, but NOTHING for this combo of pyQt and gstreamer. Anybody get this working? This plays the video fine, but in a separate window: self.gcam = gst.parse_launch('v4l2src devic...
I am building a small app which will play streaming audio from the internet in java (mainly internet radio stations). I have decided to use the gstreamer-java library for the sound, which uses JNA. I would like to include a check in the code, to see whether the gstreamer library has been initialised. When I have left the "Gst.init()" co...