Ubuntu under GStreamer configuration and playback audio and video examples

Official website:http://gstreamer.freedesktop.org

GStreamer Installation:

Installing with sudo apt-get install

sudo apt-get install Libgstreamer0.10-dev gstreamer-tools gstreamer0.10-tools Gstreamer0.10-doc
sudo apt-get install gstreamer0.10-plugins-base gstreamer0.10-plugins-good gstreamer0.10-plugins-ugly Gstreamer0.10-plugins-bad Gstreamer0.10-plugins-bad-multiverse

A plugin with the following GST is installed:

Gstreamer0.10-tools

Gstreamer0.10-x

Gstreamer0.10-plugins-base

Gstreamer0.10-plugins-good

gstreamer0.10-plugins-ugly

Gstreamer0.10-plugins-bad

Gstreamer0.10-ffmpeg

Gstreamer0.10-alsa

Gstreamer0.10-schroedinger

Gstreamer0.10-pulseaudio

There may be software that needs to be installed:

sudo apt-get install Bison

sudo apt-get install Flex

sudo apt-get install zlib1g

Mad Decode Plugin

Apt-get Install Libmad0-dev

Apt-get Install gstreamer0.10-plugins-ugly

Initializing GStreamer

#include <stdio.h> #include <gst/gst.h>int main (int   argc,   char *argv[]) {  const Gchar *nano_ STR;  Guint major, minor, Micro, nano;  Gst_init (&ARGC, &argv);  Gst_version (&major, &minor,µ, &nano);  if (nano = = 1)    nano_str = "(CVS)";  else if (nano = = 2)    nano_str = "(prerelease)";  else    nano_str = "";  printf ("This program is linked against GStreamer%d.%d.%d%s\n",          major, minor, Micro, nano_str);  return 0;}

#include <gst/gst.h> #include <glib.h>//define message handler functions, static Gboolean Bus_call (Gstbus *bus,gstmessage *msg,        Gpointer data) {Gmainloop *loop = (Gmainloop *) data;//This is a pointer to the main loop, exiting the loop switch (Gst_message_type (msg)) when accepting the EOS message {            Case Gst_message_eos:g_print ("End of stream\n");            G_main_loop_quit (loop);        Break               Case Gst_message_error: {Gchar *debug;               Gerror *error;               Gst_message_parse_error (Msg,&error,&debug);               G_free (Debug);               G_printerr ("error:%s\n", error->message);               G_error_free (Error);                G_main_loop_quit (loop);        Break    } Default:break; } return TRUE;    int main (int argc,char *argv[]) {Gmainloop *loop;    Gstelement *pipeline,*source,*decoder,*sink;//define components Gstbus *bus;    Gst_init (&AMP;ARGC,&AMP;ARGV); loop = G_main_loop_new (null,false);//create main loop, formally start loop after executing g_main_loop_run if(argc! = 2)        {G_printerr ("usage:%s <mp3 filename>\n", argv[0]);    return-1;    }//Create pipelines and Components pipeline = gst_pipeline_new ("Audio-player");    Source = Gst_element_factory_make ("Filesrc", "File-source");    Decoder = Gst_element_factory_make ("Mad", "Mad-decoder");    Sink = Gst_element_factory_make ("Autoaudiosink", "audio-output"); if (!pipeline| |! source| |! decoder| |! Sink) {G_printerr ("one element could not be created.        Exiting.\n ");    return-1; }//Set the location parameter of the source.    That is, the file address.    G_object_set (G_object (source), "location", argv[1],null);   Get pipeline Message bus = Gst_pipeline_get_bus (Gst_pipeline (pipeline));    Add Message Monitor Gst_bus_add_watch (Bus,bus_call,loop);    Gst_object_unref (bus);   Add components to the pipeline. Pipeline is a special component that can better make the data Flow Gst_bin_add_many (Gst_bin (pipeline), source,decoder,sink,null);   Connect the component Gst_element_link_many (source,decoder,sink,null) in turn;    Start playing gst_element_set_state (pipeline,gst_state_playing);    G_print ("running\n"); Start Cycle G_maIn_loop_run (loop);    G_print ("returned,stopping playback\n");    Gst_element_set_state (Pipeline,gst_state_null);    Gst_object_unref (Gst_object (pipeline)); return 0;}

Compile run

Gcc-wall test2.c-o test2 $ (pkg-config--cflags--libs gstreamer-0.10)
(Note!!!) This command is written in many places:Gcc-wall $ (pkg-config--cflags--libs gstreamer-0.10)-G Test2.c-o test2, simply compiled! ）

./test2./abc.mp3

Play Video:

Ubuntu 12.04

gst-launch-0.10 filesrc location=/tmp/video_stream_pipe ! decodebin ! ffmpegcolorspace ! videoscale ! ximagesink sync=false

Ubuntu 13.10

gst-launch-1.0 filesrc location=/tmp/video_stream_pipe ! decodebin ! videoconvert ! xvimagesink sync=falsegst-launch-1.0 filesrc location=/tmp/video_stream_pipe ! decodebin ! videoconvert ! ximagesink sync=false

Ubuntu under GStreamer configuration and playback audio and video examples