mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 02:01:12 +00:00
Updated the autoplug example with the new autoplugger. there still is a scheduling issue though.
Original commit message from CVS: Updated the autoplug example with the new autoplugger. there still is a scheduling issue though.
This commit is contained in:
Wim Taymans
parent
0bb78cefa8
commit
29a006c8d8
2 changed files with 162 additions and 64 deletions
|
|
@ -1,26 +1,64 @@
|
|||
#include <gst/gst.h>
|
||||
#include <gnome.h>
|
||||
|
||||
static gboolean playing;
|
||||
|
||||
/* eos will be called when the src element has an end of stream */
|
||||
void eos(GstElement *element)
|
||||
static void
|
||||
gst_play_have_type (GstElement *sink, GstElement *sink2, gpointer data)
|
||||
{
|
||||
g_print("have eos, quitting\n");
|
||||
GST_DEBUG (0,"GstPipeline: play have type %p\n", (gboolean *)data);
|
||||
|
||||
playing = FALSE;
|
||||
*(gboolean *)data = TRUE;
|
||||
}
|
||||
|
||||
gboolean idle_func(gpointer data) {
|
||||
gst_bin_iterate(GST_BIN(data));
|
||||
return TRUE;
|
||||
return gst_bin_iterate(GST_BIN(data));
|
||||
}
|
||||
|
||||
static GstCaps*
|
||||
gst_play_typefind (GstBin *bin, GstElement *element)
|
||||
{
|
||||
gboolean found = FALSE;
|
||||
GstElement *typefind;
|
||||
GstCaps *caps = NULL;
|
||||
|
||||
GST_DEBUG (0,"GstPipeline: typefind for element \"%s\" %p\n",
|
||||
GST_ELEMENT_NAME(element), &found);
|
||||
|
||||
typefind = gst_elementfactory_make ("typefind", "typefind");
|
||||
g_return_val_if_fail (typefind != NULL, FALSE);
|
||||
|
||||
gtk_signal_connect (GTK_OBJECT (typefind), "have_type",
|
||||
GTK_SIGNAL_FUNC (gst_play_have_type), &found);
|
||||
|
||||
gst_pad_connect (gst_element_get_pad (element, "src"),
|
||||
gst_element_get_pad (typefind, "sink"));
|
||||
|
||||
gst_bin_add (bin, typefind);
|
||||
|
||||
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
|
||||
|
||||
// push a buffer... the have_type signal handler will set the found flag
|
||||
gst_bin_iterate (bin);
|
||||
|
||||
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
|
||||
|
||||
caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
|
||||
|
||||
gst_pad_disconnect (gst_element_get_pad (element, "src"),
|
||||
gst_element_get_pad (typefind, "sink"));
|
||||
gst_bin_remove (bin, typefind);
|
||||
gst_object_unref (GST_OBJECT (typefind));
|
||||
|
||||
return caps;
|
||||
}
|
||||
|
||||
int main(int argc,char *argv[])
|
||||
{
|
||||
GstElement *disksrc, *audiosink, *videosink;
|
||||
GstElement *pipeline;
|
||||
GstElement *bin;
|
||||
GtkWidget *appwindow;
|
||||
GstCaps *srccaps;
|
||||
GstElement *new_element;
|
||||
GstAutoplug *autoplug;
|
||||
|
||||
g_thread_init(NULL);
|
||||
gst_init(&argc,&argv);
|
||||
|
|
@ -32,16 +70,23 @@ int main(int argc,char *argv[])
|
|||
}
|
||||
|
||||
/* create a new bin to hold the elements */
|
||||
pipeline = gst_pipeline_new("pipeline");
|
||||
g_assert(pipeline != NULL);
|
||||
bin = gst_bin_new("bin");
|
||||
g_assert(bin != NULL);
|
||||
|
||||
/* create a disk reader */
|
||||
disksrc = gst_elementfactory_make("disksrc", "disk_source");
|
||||
g_assert(disksrc != NULL);
|
||||
gtk_object_set(GTK_OBJECT(disksrc),"location", argv[1],NULL);
|
||||
gtk_signal_connect(GTK_OBJECT(disksrc),"eos",
|
||||
GTK_SIGNAL_FUNC(eos),NULL);
|
||||
|
||||
gst_bin_add (GST_BIN (bin), disksrc);
|
||||
|
||||
srccaps = gst_play_typefind (GST_BIN (bin), disksrc);
|
||||
|
||||
if (!srccaps) {
|
||||
g_print ("could not autoplug, unknown media type...\n");
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
/* and an audio sink */
|
||||
audiosink = gst_elementfactory_make("audiosink", "play_audio");
|
||||
g_assert(audiosink != NULL);
|
||||
|
|
@ -51,38 +96,42 @@ int main(int argc,char *argv[])
|
|||
g_assert(videosink != NULL);
|
||||
gtk_object_set(GTK_OBJECT(videosink),"xv_enabled", FALSE,NULL);
|
||||
|
||||
autoplug = gst_autoplugfactory_make ("staticrender");
|
||||
g_assert (autoplug != NULL);
|
||||
|
||||
new_element = gst_autoplug_to_renderers (autoplug,
|
||||
srccaps,
|
||||
videosink,
|
||||
audiosink,
|
||||
NULL);
|
||||
|
||||
if (!new_element) {
|
||||
g_print ("could not autoplug, no suitable codecs found...\n");
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
gst_bin_add (GST_BIN (bin), new_element);
|
||||
|
||||
gst_element_connect (disksrc, "src", new_element, "sink");
|
||||
|
||||
appwindow = gnome_app_new("autoplug demo","autoplug demo");
|
||||
gnome_app_set_contents(GNOME_APP(appwindow),
|
||||
gst_util_get_widget_arg(GTK_OBJECT(videosink),"widget"));
|
||||
gtk_widget_show_all(appwindow);
|
||||
|
||||
/* add objects to the main pipeline */
|
||||
/*
|
||||
gst_pipeline_add_src(GST_PIPELINE(pipeline), disksrc);
|
||||
gst_pipeline_add_sink(GST_PIPELINE(pipeline), videosink);
|
||||
gst_pipeline_add_sink(GST_PIPELINE(pipeline), audiosink);
|
||||
|
||||
if (!gst_pipeline_autoplug(GST_PIPELINE(pipeline))) {
|
||||
g_print("unable to handle stream\n");
|
||||
exit(-1);
|
||||
}
|
||||
*/
|
||||
|
||||
xmlSaveFile("xmlTest.gst", gst_xml_write(GST_ELEMENT(pipeline)));
|
||||
xmlSaveFile("xmlTest.gst", gst_xml_write(GST_ELEMENT(bin)));
|
||||
|
||||
/* start playing */
|
||||
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PLAYING);
|
||||
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
|
||||
|
||||
playing = TRUE;
|
||||
|
||||
gtk_idle_add(idle_func, pipeline);
|
||||
gtk_idle_add(idle_func, bin);
|
||||
|
||||
gst_main();
|
||||
|
||||
/* stop the bin */
|
||||
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL);
|
||||
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_NULL);
|
||||
|
||||
gst_pipeline_destroy(pipeline);
|
||||
gst_pipeline_destroy(bin);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,26 +1,64 @@
|
|||
#include <gst/gst.h>
|
||||
#include <gnome.h>
|
||||
|
||||
static gboolean playing;
|
||||
|
||||
/* eos will be called when the src element has an end of stream */
|
||||
void eos(GstElement *element)
|
||||
static void
|
||||
gst_play_have_type (GstElement *sink, GstElement *sink2, gpointer data)
|
||||
{
|
||||
g_print("have eos, quitting\n");
|
||||
GST_DEBUG (0,"GstPipeline: play have type %p\n", (gboolean *)data);
|
||||
|
||||
playing = FALSE;
|
||||
*(gboolean *)data = TRUE;
|
||||
}
|
||||
|
||||
gboolean idle_func(gpointer data) {
|
||||
gst_bin_iterate(GST_BIN(data));
|
||||
return TRUE;
|
||||
return gst_bin_iterate(GST_BIN(data));
|
||||
}
|
||||
|
||||
static GstCaps*
|
||||
gst_play_typefind (GstBin *bin, GstElement *element)
|
||||
{
|
||||
gboolean found = FALSE;
|
||||
GstElement *typefind;
|
||||
GstCaps *caps = NULL;
|
||||
|
||||
GST_DEBUG (0,"GstPipeline: typefind for element \"%s\" %p\n",
|
||||
GST_ELEMENT_NAME(element), &found);
|
||||
|
||||
typefind = gst_elementfactory_make ("typefind", "typefind");
|
||||
g_return_val_if_fail (typefind != NULL, FALSE);
|
||||
|
||||
gtk_signal_connect (GTK_OBJECT (typefind), "have_type",
|
||||
GTK_SIGNAL_FUNC (gst_play_have_type), &found);
|
||||
|
||||
gst_pad_connect (gst_element_get_pad (element, "src"),
|
||||
gst_element_get_pad (typefind, "sink"));
|
||||
|
||||
gst_bin_add (bin, typefind);
|
||||
|
||||
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
|
||||
|
||||
// push a buffer... the have_type signal handler will set the found flag
|
||||
gst_bin_iterate (bin);
|
||||
|
||||
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
|
||||
|
||||
caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
|
||||
|
||||
gst_pad_disconnect (gst_element_get_pad (element, "src"),
|
||||
gst_element_get_pad (typefind, "sink"));
|
||||
gst_bin_remove (bin, typefind);
|
||||
gst_object_unref (GST_OBJECT (typefind));
|
||||
|
||||
return caps;
|
||||
}
|
||||
|
||||
int main(int argc,char *argv[])
|
||||
{
|
||||
GstElement *disksrc, *audiosink, *videosink;
|
||||
GstElement *pipeline;
|
||||
GstElement *bin;
|
||||
GtkWidget *appwindow;
|
||||
GstCaps *srccaps;
|
||||
GstElement *new_element;
|
||||
GstAutoplug *autoplug;
|
||||
|
||||
g_thread_init(NULL);
|
||||
gst_init(&argc,&argv);
|
||||
|
|
@ -32,16 +70,23 @@ int main(int argc,char *argv[])
|
|||
}
|
||||
|
||||
/* create a new bin to hold the elements */
|
||||
pipeline = gst_pipeline_new("pipeline");
|
||||
g_assert(pipeline != NULL);
|
||||
bin = gst_bin_new("bin");
|
||||
g_assert(bin != NULL);
|
||||
|
||||
/* create a disk reader */
|
||||
disksrc = gst_elementfactory_make("disksrc", "disk_source");
|
||||
g_assert(disksrc != NULL);
|
||||
gtk_object_set(GTK_OBJECT(disksrc),"location", argv[1],NULL);
|
||||
gtk_signal_connect(GTK_OBJECT(disksrc),"eos",
|
||||
GTK_SIGNAL_FUNC(eos),NULL);
|
||||
|
||||
gst_bin_add (GST_BIN (bin), disksrc);
|
||||
|
||||
srccaps = gst_play_typefind (GST_BIN (bin), disksrc);
|
||||
|
||||
if (!srccaps) {
|
||||
g_print ("could not autoplug, unknown media type...\n");
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
/* and an audio sink */
|
||||
audiosink = gst_elementfactory_make("audiosink", "play_audio");
|
||||
g_assert(audiosink != NULL);
|
||||
|
|
@ -51,38 +96,42 @@ int main(int argc,char *argv[])
|
|||
g_assert(videosink != NULL);
|
||||
gtk_object_set(GTK_OBJECT(videosink),"xv_enabled", FALSE,NULL);
|
||||
|
||||
autoplug = gst_autoplugfactory_make ("staticrender");
|
||||
g_assert (autoplug != NULL);
|
||||
|
||||
new_element = gst_autoplug_to_renderers (autoplug,
|
||||
srccaps,
|
||||
videosink,
|
||||
audiosink,
|
||||
NULL);
|
||||
|
||||
if (!new_element) {
|
||||
g_print ("could not autoplug, no suitable codecs found...\n");
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
gst_bin_add (GST_BIN (bin), new_element);
|
||||
|
||||
gst_element_connect (disksrc, "src", new_element, "sink");
|
||||
|
||||
appwindow = gnome_app_new("autoplug demo","autoplug demo");
|
||||
gnome_app_set_contents(GNOME_APP(appwindow),
|
||||
gst_util_get_widget_arg(GTK_OBJECT(videosink),"widget"));
|
||||
gtk_widget_show_all(appwindow);
|
||||
|
||||
/* add objects to the main pipeline */
|
||||
/*
|
||||
gst_pipeline_add_src(GST_PIPELINE(pipeline), disksrc);
|
||||
gst_pipeline_add_sink(GST_PIPELINE(pipeline), videosink);
|
||||
gst_pipeline_add_sink(GST_PIPELINE(pipeline), audiosink);
|
||||
|
||||
if (!gst_pipeline_autoplug(GST_PIPELINE(pipeline))) {
|
||||
g_print("unable to handle stream\n");
|
||||
exit(-1);
|
||||
}
|
||||
*/
|
||||
|
||||
xmlSaveFile("xmlTest.gst", gst_xml_write(GST_ELEMENT(pipeline)));
|
||||
xmlSaveFile("xmlTest.gst", gst_xml_write(GST_ELEMENT(bin)));
|
||||
|
||||
/* start playing */
|
||||
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PLAYING);
|
||||
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
|
||||
|
||||
playing = TRUE;
|
||||
|
||||
gtk_idle_add(idle_func, pipeline);
|
||||
gtk_idle_add(idle_func, bin);
|
||||
|
||||
gst_main();
|
||||
|
||||
/* stop the bin */
|
||||
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL);
|
||||
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_NULL);
|
||||
|
||||
gst_pipeline_destroy(pipeline);
|
||||
gst_pipeline_destroy(bin);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue