gstreamer stops playing the media content
akshat
akshatdewan at gmail.com
Mon Aug 29 05:16:23 PDT 2011
Hello,
I am using gstreamerSDK(v0.10.6) on windowsXP. I am trying to play an .avi
file but it stops playing the content within few seconds and does not play
the file completely.
I appreciate your help.
Thanks
Akshat
code
___________________________
#include "stdafx.h"
#include <windows.h>
#include <iostream>
#include <gstreamer-0.10/gst/gst.h>
#include <glib-2.0/glib.h>
#include "EmoStateDLL.h"
#include "edk.h"
#include "edkErrorCode.h"
#include <time.h>
#include <fstream>
#include <map>
#pragma comment(lib, "edk.lib")
using namespace std;
static gboolean
bus_call (GstBus *bus,
GstMessage *msg,
gpointer data)
{
GMainLoop *loop = (GMainLoop *)data;
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_EOS:
g_print ("End-of-stream\n");
g_main_loop_quit (loop);
break;
case GST_MESSAGE_ERROR: {
gchar *debug = NULL;
GError *err = NULL;
gst_message_parse_error (msg, &err, &debug);
g_print ("Error: %s\n", err->message);
g_error_free (err);
if (debug) {
g_print ("Debug details: %s\n", debug);
g_free (debug);
}
g_main_loop_quit (loop);
break;
}
default:
break;
}
return TRUE;
}
static GstElement *pipeline,*filesrc, *avidemux, *hicon, *decodera,
*audioconvert, *asink,
*queuea, *queuev, *decoderv, *csc, *vscale, *vsink;
static void on_decpad_added(GstElement *element, GstPad *pad )
{
g_debug ("Signal: decoder pad-added");
GstCaps *caps;
GstStructure *str;
caps = gst_pad_get_caps (pad);
g_assert (caps != NULL);
str = gst_caps_get_structure (caps, 0);
g_assert (str != NULL);
g_debug ("Linking video pad to queue_vd");
// Link it actually
GstPad *targetsink = gst_element_get_pad (element == decodera ? queuea :
queuev, "sink");
g_assert (targetsink != NULL);
gst_pad_link (pad, targetsink);
gst_object_unref (targetsink);
gst_caps_unref (caps);
}
static void on_pad_added (GstElement *element, GstPad *pad)
{
g_debug ("Signal: demux pad-added");
GstCaps *caps;
GstStructure *str;
caps = gst_pad_get_caps (pad);
g_assert (caps != NULL);
str = gst_caps_get_structure (caps, 0);
g_assert (str != NULL);
const gchar *c = gst_structure_get_name(str);
if (g_strrstr (c, "video") || g_strrstr (c, "image")) {
g_debug ("Linking video pad to dec_vd");
// Link it actually
GstPad *targetsink = gst_element_get_pad (decoderv, "sink");
g_assert (targetsink != NULL);
gst_pad_link (pad, targetsink);
gst_object_unref (targetsink);
}
if (g_strrstr (c, "audio")) {
g_debug ("Linking audio pad to dec_ad");
// Link it actually
GstPad *targetsink = gst_element_get_pad (decodera, "sink");
g_assert (targetsink != NULL);
gst_pad_link (pad, targetsink);
gst_object_unref (targetsink);
}
gst_caps_unref (caps);
}
void g_ass(gboolean b)
{
/* if(!b)g_debug("Error");
else g_debug("OK");*/
}
gint
main (gint argc,
gchar *argv[])
{
GstStateChangeReturn ret;
GMainLoop *loop;
GstBus *bus;
/* initialization */
gst_init (&argc, &argv);
loop = g_main_loop_new (NULL, FALSE);
/*
* command line:
* gst-launch filesrc location=/home/neddens/r0013001.avi ! avidemux
name=demux demux.audio_00 ! decodebin ! queue ! audioconvert !
audioresample ! autoaudiosink demux.video_00 ! decodebin ! queue !
ffmpegcolorspace ! videoscale ! autovideosink
*
*/
/* create elements */
pipeline = gst_pipeline_new ("pipeline0");
/* watch for messages on the pipeline's bus (note that this will only
* work like this when a GLib main loop is running) */
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_watch (bus, bus_call, loop);
gst_object_unref (bus);
filesrc = gst_element_factory_make ("filesrc", "filesource");
avidemux = gst_element_factory_make ("avidemux", "dmux");
decodera = gst_element_factory_make ("decodebin2", "decoder0");
decoderv = gst_element_factory_make ("decodebin2", "decoder1");
vscale = gst_element_factory_make ("videoscale", "Scaler");
/* putting an audioconvert element here to convert the output of the
* decoder into a format that my_filter can handle (we are assuming it
* will handle any sample rate here though) */
audioconvert = gst_element_factory_make ("audioconvert", "audioconvert1");
queuea = gst_element_factory_make ("queue", "queue0");
queuev = gst_element_factory_make ("queue", "queue1");
/* there should always be audioconvert and audioresample elements before
* the audio sink, since the capabilities of the audio sink usually vary
* depending on the environment (output used, sound card, driver etc.) */
//audioresample = gst_element_factory_make ("audioresample",
"audioresample0");
csc = gst_element_factory_make ("ffmpegcolorspace", "ffmpegcsp0");
vsink = gst_element_factory_make ("autovideosink", "Video Renderer");
asink = gst_element_factory_make ("autoaudiosink", "AudioSink");
g_object_set (G_OBJECT (filesrc), "location", "3.avi", NULL);
gst_bin_add_many (GST_BIN (pipeline), filesrc, avidemux, decodera,
audioconvert, asink,csc,vscale,
queuev, queuea, decoderv, vsink, NULL);
g_ass(gst_element_link (filesrc, avidemux));
g_ass(gst_element_link (queuev, csc));
g_ass(gst_element_link (csc, vscale));
g_ass(gst_element_link (vscale, vsink));
g_ass(gst_element_link (queuea, audioconvert));
g_ass(gst_element_link (audioconvert, asink));
// g_ass(gst_element_link (audioresample, asink));
g_signal_connect (avidemux, "pad-added", G_CALLBACK (on_pad_added), NULL);
//gst_element_set_state (decodera, GST_STATE_PLAYING);
//gst_element_set_state (decoderv, GST_STATE_PLAYING);
g_signal_connect (decodera, "new-decoded-pad", G_CALLBACK
(on_decpad_added), decodera);
g_signal_connect (decoderv, "new-decoded-pad", G_CALLBACK
(on_decpad_added), decoderv);
/* run */
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE) {
GstMessage *msg;
g_print ("Failed to start up pipeline!\n");
/* check if there is an error message with details on the bus */
msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
if (msg) {
GError *err = NULL;
gst_message_parse_error (msg, &err, NULL);
g_print ("ERROR: %s\n", err->message);
g_error_free (err);
gst_message_unref (msg);
}
return -1;
}
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "hi");
g_main_loop_run (loop);
/* clean up */
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
return 0;
}
___________code end_________
--
View this message in context: http://gstreamer-devel.966125.n4.nabble.com/gstreamer-stops-playing-the-media-content-tp3776067p3776067.html
Sent from the GStreamer-devel mailing list archive at Nabble.com.
More information about the gstreamer-devel
mailing list