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gstreamer/gstplay/gstplay.c
Wim Taymans 6661696de0 Various fixes for the build/install problems update to the docs/manual. Added a simple helloworld example. 
Original commit message from CVS:
Various fixes for the build/install problems
update to the docs/manual. Added a simple helloworld example.
2000-08-18 20:35:48 +00:00

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/*
* Initial main.c file generated by Glade. Edit as required.
* Glade will not overwrite this file.
*/
#include <config.h>
//#define DEBUG_ENABLED
#include <glade/glade.h>
#include <gst/gstclock.h>
#include "gstplay.h"
#include "callbacks.h"
#include "interface.h"
#include "codecs.h"
#define MUTEX_STATUS() (g_mutex_trylock(gdk_threads_mutex)? g_mutex_unlock(gdk_threads_mutex), "was not locked" : "was locked")
#define BUFFER 20
extern gboolean _gst_plugin_spew;
gboolean idle_func(gpointer data);
GstElement *show, *video_render_queue;
GstElement *audio_play, *audio_render_queue;
GstElement *src;
GstPipeline *pipeline;
GstElement *parse = NULL;
GstElement *typefind;
GstElement *video_render_thread;
GstElement *audio_render_thread;
GstPlayState state;
gboolean picture_shown = FALSE;
guchar statusline[200];
guchar *statustext = "stopped";
GtkWidget *status_area;
GtkAdjustment *adjustment;
GtkWidget *play_button;
GtkWidget *pause_button;
GtkWidget *stop_button;
GtkFileSelection *open_file_selection;
gint start_from_file(guchar *filename);
static void frame_displayed(GstSrc *asrc)
{
int size, time, frame_time = 0, src_pos;
guint mux_rate;
static int prev_time = -1;
if (!parse) return;
DEBUG("gstplay: frame displayed %s\n", MUTEX_STATUS());
mux_rate = gst_util_get_int_arg(GTK_OBJECT(parse),"mux_rate");
size = gst_util_get_int_arg(GTK_OBJECT(src),"size");
time = (size*8)/mux_rate;
frame_time = gst_util_get_int_arg(GTK_OBJECT(show),"frame_time");
src_pos = gst_util_get_int_arg(GTK_OBJECT(src),"offset");
frame_time = (src_pos*8)/mux_rate;
if (frame_time >= prev_time) {
g_snprintf(statusline, 200, "%02d:%02d / %02d:%02d\n",
frame_time/60, frame_time%60,
time/60, time%60);
//printf("%d %d %g\n", frame_time, size, frame_time*100.0/size);
update_status_area(status_area);
if (state == GSTPLAY_PLAYING)
update_slider(adjustment, src_pos*100.0/size);
}
picture_shown = TRUE;
prev_time = frame_time;
DEBUG("gstplay: frame displayed end %s\n", MUTEX_STATUS());
}
gboolean idle_func(gpointer data) {
DEBUG("idle start %s\n",MUTEX_STATUS());
//gst_src_push(GST_SRC(data));
gst_bin_iterate(GST_BIN(data));
DEBUG("idle stop %s\n",MUTEX_STATUS());
return TRUE;
}
static void eof(GstSrc *src) {
change_state(GSTPLAY_PAUSE);
picture_shown = TRUE;
}
void show_next_picture() {
picture_shown = FALSE;
DEBUG("gstplay: next picture %s\n", MUTEX_STATUS());
while (!picture_shown) {
gdk_threads_leave();
gst_src_push(GST_SRC(src));
gdk_threads_enter();
}
DEBUG("gstplay: next found %s\n", MUTEX_STATUS());
}
void mute_audio(gboolean mute) {
gtk_object_set(GTK_OBJECT(audio_play),"mute",mute,NULL);
}
static void gstplay_tear_down()
{
g_print("setting to NULL state\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_NULL);
}
static void
target_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *data,
guint info,
guint time)
{
if (strstr(data->data, "file:")) {
g_print("Got: %s\n",data->data);
start_from_file(g_strchomp(&data->data[5]));
}
}
void
on_exit_menu_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
gdk_threads_leave();
gstplay_tear_down();
gdk_threads_enter();
gtk_main_quit();
}
void on_ok_button1_clicked (GtkButton *button,
GtkFileSelection *sel)
{
gchar *selected_filename;
selected_filename = gtk_file_selection_get_filename (GTK_FILE_SELECTION(open_file_selection));
start_from_file(selected_filename);
}
gint on_gstplay_delete_event(GtkWidget *widget, GdkEvent *event, gpointer data)
{
gdk_threads_leave();
gstplay_tear_down();
gdk_threads_enter();
return FALSE;
}
void gstplay_parse_pads_created(GstElement *element, gpointer data)
{
printf("gstplay: element \"%s\" is ready\n", gst_element_get_name(element));
gst_clock_reset(gst_clock_get_system());
}
void change_state(GstPlayState new_state) {
if (new_state == state) return;
switch (new_state) {
case GSTPLAY_PLAYING:
mute_audio(FALSE);
statustext = "playing";
update_status_area(status_area);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
gtk_idle_add(idle_func, pipeline);
state = GSTPLAY_PLAYING;
update_buttons(0);
break;
case GSTPLAY_PAUSE:
statustext = "paused";
update_status_area(status_area);
if (state != GSTPLAY_STOPPED) gtk_idle_remove_by_data(pipeline);
mute_audio(TRUE);
state = GSTPLAY_PAUSE;
update_buttons(1);
break;
case GSTPLAY_STOPPED:
if (state != GSTPLAY_PAUSE) gtk_idle_remove_by_data(pipeline);
statustext = "stopped";
update_status_area(status_area);
mute_audio(TRUE);
state = GSTPLAY_STOPPED;
gtk_object_set(GTK_OBJECT(src),"offset",0,NULL);
update_buttons(2);
update_slider(adjustment, 0.0);
show_next_picture();
break;
}
}
static void have_type(GstSink *sink) {
gint type;
GstType *gsttype;
type = gst_util_get_int_arg(GTK_OBJECT(sink),"type");
gsttype = gst_type_find_by_id(type);
g_print("have type %d:%s\n", type, gsttype->mime);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_NULL);
gst_bin_remove(GST_BIN(pipeline), GST_ELEMENT(sink));
gst_pad_disconnect(gst_element_get_pad(src,"src"),
gst_element_get_pad(GST_ELEMENT(sink),"sink"));
if (strstr(gsttype->mime, "mpeg1-system")) {
parse = gst_elementfactory_make("mpeg1parse","mpeg1_system_parse");
gtk_signal_connect(GTK_OBJECT(parse),"new_pad",
GTK_SIGNAL_FUNC(mpeg1_new_pad_created),pipeline);
gtk_signal_connect(GTK_OBJECT(show),"frame_displayed",
GTK_SIGNAL_FUNC(frame_displayed),NULL);
}
else if (strstr(gsttype->mime, "mpeg2-system")) {
parse = gst_elementfactory_make("mpeg2parse","mpeg2_system_parse");
gtk_signal_connect(GTK_OBJECT(parse),"new_pad",
GTK_SIGNAL_FUNC(mpeg2_new_pad_created),pipeline);
gtk_signal_connect(GTK_OBJECT(show),"frame_displayed",
GTK_SIGNAL_FUNC(frame_displayed),NULL);
}
else if (strstr(gsttype->mime, "avi")) {
parse = gst_elementfactory_make("parseavi","parse");
gtk_signal_connect(GTK_OBJECT(parse),"new_pad",
GTK_SIGNAL_FUNC(avi_new_pad_created),pipeline);
}
else if (strstr(gsttype->mime, "mpeg1")) {
mpeg1_setup_video_thread(gst_element_get_pad(src,"src"), video_render_queue, GST_ELEMENT(pipeline));
gst_clock_reset(gst_clock_get_system());
gtk_signal_connect(GTK_OBJECT(show),"frame_displayed",
GTK_SIGNAL_FUNC(frame_displayed),NULL);
}
else if (strstr(gsttype->mime, "mp3")) {
mpeg1_setup_audio_thread(gst_element_get_pad(src,"src"), audio_render_queue, GST_ELEMENT(pipeline));
gst_clock_reset(gst_clock_get_system());
}
else {
g_print("unknown media type\n");
exit(0);
}
if (parse) {
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
gst_pad_connect(gst_element_get_pad(src,"src"),
gst_element_get_pad(parse,"sink"));
gtk_signal_connect(GTK_OBJECT(parse),"pads_created",
GTK_SIGNAL_FUNC(gstplay_parse_pads_created),pipeline);
}
gtk_object_set(GTK_OBJECT(src),"offset",0,NULL);
g_print("setting to READY state\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
g_print("setting to PLAYING state\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
g_print("set to PLAYING state\n");
}
gint start_from_file(guchar *filename)
{
src = gst_elementfactory_make("disksrc","disk_src");
g_return_val_if_fail(src != NULL, -1);
g_print("should be using file '%s'\n",filename);
gtk_object_set(GTK_OBJECT(src),"location",filename,NULL);
typefind = gst_elementfactory_make("typefind","typefind");
g_return_val_if_fail(typefind != NULL, -1);
gtk_signal_connect(GTK_OBJECT(typefind),"have_type",
GTK_SIGNAL_FUNC(have_type),NULL);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(typefind));
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(typefind,"sink"));
g_print("setting to READY state\n");
gst_bin_create_plan(GST_BIN(pipeline));
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
state = GSTPLAY_STOPPED;
change_state(GSTPLAY_PLAYING);
return 0;
}
static GtkTargetEntry target_table[] = {
{ "text/plain", 0, 0 }
};
int
main (int argc, char *argv[])
{
GladeXML *xml;
GtkWidget *slider, *gstplay;
bindtextdomain (PACKAGE, PACKAGE_LOCALE_DIR);
textdomain (PACKAGE);
g_thread_init(NULL);
gtk_init(&argc,&argv);
gnome_init ("gstreamer", VERSION, argc, argv);
glade_init();
glade_gnome_init();
gst_init(&argc,&argv);
g_print("using %s\n", DATADIR"gstplay.glade");
/* load the interface */
xml = glade_xml_new(DATADIR "gstplay.glade", "gstplay");
/* connect the signals in the interface */
status_area = glade_xml_get_widget(xml, "status_area");
slider = glade_xml_get_widget(xml, "slider");
{
GtkArg arg;
GtkRange *range;
arg.name = "adjustment";
gtk_object_getv(GTK_OBJECT(slider),1,&arg);
range = GTK_RANGE(GTK_VALUE_POINTER(arg));
adjustment = gtk_range_get_adjustment(range);
gtk_signal_connect(GTK_OBJECT(adjustment),"value_changed",
GTK_SIGNAL_FUNC(on_hscale1_value_changed),NULL);
}
play_button = glade_xml_get_widget(xml, "toggle_play");
pause_button = glade_xml_get_widget(xml, "toggle_pause");
stop_button = glade_xml_get_widget(xml, "toggle_stop");
gstplay = glade_xml_get_widget(xml, "gstplay");
gtk_drag_dest_set (gstplay,
GTK_DEST_DEFAULT_ALL,
target_table, 1,
GDK_ACTION_COPY);
gtk_signal_connect (GTK_OBJECT (gstplay), "drag_data_received",
GTK_SIGNAL_FUNC (target_drag_data_received),
NULL);
gst_plugin_load("videosink");
g_snprintf(statusline, 200, "seeking");
pipeline = gst_pipeline_new("main_pipeline");
g_return_val_if_fail(pipeline != NULL, -1);
video_render_thread = gst_thread_new("video_render_thread");
g_return_val_if_fail(video_render_thread != NULL, -1);
show = gst_elementfactory_make("videosink","show");
g_return_val_if_fail(show != NULL, -1);
gtk_object_set(GTK_OBJECT(show),"xv_enabled",FALSE,NULL);
gnome_dock_set_client_area(GNOME_DOCK(glade_xml_get_widget(xml, "dock1")),
gst_util_get_widget_arg(GTK_OBJECT(show),"widget"));
gst_bin_add(GST_BIN(video_render_thread),GST_ELEMENT(show));
gst_element_add_ghost_pad(GST_ELEMENT(video_render_thread),
gst_element_get_pad(show,"sink"));
glade_xml_signal_autoconnect(xml);
gst_plugin_load("mpeg1parse");
gst_plugin_load("mpeg2parse");
gst_plugin_load("mp1videoparse");
gst_plugin_load("mp3parse");
gst_plugin_load("parsewav");
gst_plugin_load("parseavi");
video_render_queue = gst_elementfactory_make("queue","video_render_queue");
gtk_object_set(GTK_OBJECT(video_render_queue),"max_level",BUFFER,NULL);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_render_queue));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_render_thread));
gst_pad_connect(gst_element_get_pad(video_render_queue,"src"),
gst_element_get_pad(video_render_thread,"sink"));
gtk_object_set(GTK_OBJECT(video_render_thread),"create_thread",TRUE,NULL);
audio_render_thread = gst_thread_new("audio_render_thread");
g_return_val_if_fail(audio_render_thread != NULL, -1);
audio_play = gst_elementfactory_make("audiosink","play_audio");
gst_bin_add(GST_BIN(audio_render_thread),GST_ELEMENT(audio_play));
gst_element_add_ghost_pad(GST_ELEMENT(audio_render_thread),
gst_element_get_pad(audio_play,"sink"));
audio_render_queue = gst_elementfactory_make("queue","audio_render_queue");
gtk_object_set(GTK_OBJECT(audio_render_queue),"max_level",BUFFER,NULL);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_render_queue));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_render_thread));
gst_pad_connect(gst_element_get_pad(audio_render_queue,"src"),
gst_element_get_pad(audio_render_thread,"sink"));
gtk_object_set(GTK_OBJECT(audio_render_thread),"create_thread",TRUE,NULL);
if (argc > 1) {
gint ret;
ret = start_from_file(argv[1]);
if (ret < 0) exit(ret);
}
gdk_threads_enter();
gtk_main();
gdk_threads_leave();
return 0;
}
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