gstreamer

问题 I've run the windows installer, but I'm unsure how to begin using gtstreamer. The tutorials I've read simply instruct me to install the package and then import the module pygst , but when I try that I get an ImportError: No module named pygst . I've searched my C drive. and it seems to have installed to /program files/OSSBuild/GStreamer , but I'm unsure how to access it. To date, every module I've installed automatically adds itself to lib/site packages or has the setup.py file. This one does

问题 I am trying to create new project of gstreamer. I downloaded the SDK and succeeded to run the tutorials, but when I create a new project: File -> New -> Project -> GStreamer SDK Project copy the content of the (working) tutorial to my new project and launch it, I constantly get this error: the program can't start because libgstreamer-0.10.dll is missing from your computer am I missing something here? thanks! 来源： https://stackoverflow.com/questions/22036451/the-program-cant-start-because

问题 I have this code for monitoring a webcam with python and pygtk. The question is, how I take a snapshot with this code?: #!/usr/bin/env python import sys, os import pygtk, gtk, gobject import pygst pygst.require("0.10") import gst import time class WebCam: def __init__(self): window = gtk.Window(gtk.WINDOW_TOPLEVEL) window.set_title("Webcam-Viewer") window.set_default_size(1024, 768) window.connect("destroy", gtk.main_quit, "WM destroy") vbox = gtk.VBox() window.add(vbox) self.movie_window =

问题 Given The file /usr/lib/gstreamer-0.10/libgstffmpeg.so is present Making changes in CMakeLists.txt Approach 1 find_library() find_library(GST_FFMPEG NAMES gstffmpeg PATHS /usr/lib/gstreamer-0.10/ ) ... target_link_libraries( MyLibraryOrMyExecutable ${GST_FFMPEG} ) When I run make with above configuration(approach 1), I get the following errors /bin/ld: warning: libvpx.so.1 , needed by /usr/lib/i386-linux-gnu/libavcodec.so.53, not found (try using -rpath or -rpath-link) /bin/ld: warning:

问题 I've tried to play an mp3 file or stream retrieved via http with the following command gst-launch httpsrc location=http://domain.com/music.mp3 ! mad ! osssink but a get the following error ERREUR : le pipeline n'a pas pu être construit : pas d'élément « httpsrc ». Which says that the pipeline could not be constructed due to the missing of httpsrc element. After googling around I did not found how to enable/install httpsrc plug-ins I've tried sudo apt-get install gstreamer-httpsrc sudo apt-get

问题 I'm new to gstreamer, and I want to stream webcam video through network with mpeg2-ts. I am able to stream video using following pipeline, but I don't know how to stream it with mpeg2-ts using mpegmux . Any help would be great! Thanks. My working pipline (without mpegmux ) : // Sender gst-launch-1.0 -ve v4l2src \ ! video/x-raw, framerate=30/1 \ ! videoconvert \ ! x264enc noise-reduction=10000 speed-preset=fast tune=zerolatency byte-stream=true threads=4 key-int-max=15 intra-refresh=true \ !

问题 This question was migrated from Software Engineering Stack Exchange because it can be answered on Stack Overflow. Migrated 8 years ago . Hello, I've been looking for a way to play and record audio on a Linux (preferably Ubuntu) system. I'm currently working on a front-end to a voice recognition toolkit that'll automate a few steps required to adapt a voice model for PocketSphinx and Julius . Suggestions of alternative means of audio input/output are welcome , as well as a fix to the bug shown

问题 So I am starting a project that is going to make use of the gstreamer libraries. I am running the test project from the gstreamer documentation and am getting the following error.This program worked properly on archlinux but is erroring out on ubuntu gcc `pkg-config --cflags --libs gstreamer-0.10` main.c -o player /tmp/cciFhGCe.o: In function `main': main.c:(.text+0x1e): undefined reference to `gst_init' main.c:(.text+0x36): undefined reference to `gst_version' collect2: ld returned 1 exit

问题 I am using GStreamer 1.0 in my program to play video from file. And I want to output it to Gdk.Pixbuf to add it to Image to display it. But I can't figure out how to use it properly. Here is what I tried to do, but it won't compile: this.pipeline = new Pipeline ("mypipeline"); this.src = ElementFactory.make ("filesrc", "video"); src.set("location", downloadFileName); this.sink = ElementFactory.make ("gdkpixbufsink", "sink"); this.pipeline.add_many (this.src, this.sink); this.src.link (this

问题 Trying to make a subclass: mybin.h: #pragma once #include <gst/gstbin.h> G_BEGIN_DECLS G_DECLARE_DERIVABLE_TYPE(MyBin, my_bin, MY, BIN, GstBin) struct _MyBinClass { GstBinClass parent_class; }; GstElement* my_bin_new(const gchar *name); G_END_DECLS mybin.c: #include "mybin.h" G_DEFINE_TYPE(MyBin, my_bin, GST_TYPE_BIN) static void my_bin_init(MyBin *bin) { } static void my_bin_class_init(MyBinClass *class) { // virtual function overrides go here } GstElement* my_bin_new(const gchar *name) { //