gstreamer/test/aviparse.c

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5 KiB
C
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#include <gnome.h>
#include <gst/gst.h>
extern gboolean _gst_plugin_spew;
gboolean idle_func(gpointer data);
GtkWidget *appwindow;
GstElement *show, *play;
GstElement *audio_thread, *video_thread;
GstElement *audio_queue, *video_queue;
void eof(GstSrc *src) {
g_print("have eos, quitting\n");
exit(0);
}
void new_pad_created(GstElement *parse,GstPad *pad,GstElement *pipeline) {
g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
// connect to audio pad
//if (0) {
if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
// construct internal pipeline elements
play = gst_elementfactory_make("audiosink","play_audio");
g_return_if_fail(play != NULL);
// create the thread and pack stuff into it
audio_thread = gst_thread_new("audio_thread");
g_return_if_fail(audio_thread != NULL);
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(play));
// set up pad connections
gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
gst_element_get_pad(play,"sink"));
// construct queue and connect everything in the main pipelie
audio_queue = gst_elementfactory_make("queue","audio_queue");
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
gst_pad_connect(pad,
gst_element_get_pad(audio_queue,"sink"));
gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
gst_element_get_pad(audio_thread,"sink"));
// set up thread state and kick things off
gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL);
g_print("setting to READY state\n");
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_READY);
g_print("setting to PLAYING state\n");
} else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
//} else if (0) {
gst_pad_connect(pad,
gst_element_get_pad(video_queue,"sink"));
}
g_print("\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
}
int main(int argc,char *argv[]) {
GstPipeline *pipeline;
GstElement *src, *parse;
g_print("have %d args\n",argc);
g_thread_init(NULL);
gtk_init(&argc,&argv);
gnome_init("AVI Video player","0.0.1",argc,argv);
//_gst_plugin_spew = TRUE;
gst_init(&argc,&argv);
//gst_plugin_load_all();
gst_plugin_load("parseavi");
gst_plugin_load("videosink");
pipeline = gst_pipeline_new("pipeline");
g_return_val_if_fail(pipeline != NULL, -1);
src = gst_elementfactory_make("disksrc","src");
g_return_val_if_fail(src != NULL, -1);
gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
g_print("should be using file '%s'\n",argv[1]);
parse = gst_elementfactory_make("parseavi","parse");
g_return_val_if_fail(parse != NULL, -1);
video_thread = gst_thread_new("video_thread");
g_return_val_if_fail(video_thread != NULL, -1);
// construct internal pipeline elements
show = gst_elementfactory_make("videosink","show");
g_return_val_if_fail(show != NULL, -1);
gtk_object_set(GTK_OBJECT(show),"xv_enabled",FALSE,NULL);
//gtk_object_set(GTK_OBJECT(show),"width",640, "height", 480,NULL);
appwindow = gnome_app_new("AVI player","AVI player");
gnome_app_set_contents(GNOME_APP(appwindow),
gst_util_get_widget_arg(GTK_OBJECT(show),"widget"));
gtk_widget_show_all(appwindow);
// create the thread and pack stuff into it
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(show));
// set up pad connections
gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
gst_element_get_pad(show,"sink"));
// construct queue and connect everything in the main pipeline
video_queue = gst_elementfactory_make("queue","video_queue");
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
// set up thread state and kick things off
gst_pad_connect(gst_element_get_pad(video_queue,"src"),
gst_element_get_pad(video_thread,"sink"));
gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
gtk_signal_connect(GTK_OBJECT(parse),"new_pad",
GTK_SIGNAL_FUNC(new_pad_created),pipeline);
gtk_signal_connect(GTK_OBJECT(src),"eos",
GTK_SIGNAL_FUNC(eof),NULL);
gst_pad_connect(gst_element_get_pad(src,"src"),
gst_element_get_pad(parse,"sink"));
g_print("setting to READY state\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
xmlSaveFile("aviparse.xml",gst_xml_write(GST_ELEMENT(pipeline)));
g_print("about to enter loop\n");
// this does not work due to multithreading
g_idle_add(idle_func,src);
gdk_threads_enter();
gtk_main();
gdk_threads_leave();
return 0;
}
gboolean idle_func(gpointer data) {
gst_src_push(GST_SRC(data));
return TRUE;
}