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Removed the hardcoded pipeline setup is gstplay in favor of the autoplugging features. Still in a rought shape...

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Original commit message from CVS:
Removed the hardcoded pipeline setup is gstplay in favor of the
autoplugging features. Still in a rought shape...
This commit is contained in:
Wim Taymans 2000-10-12 19:41:30 +00:00
parent 7694a06b5d
commit b7810a3635
8 changed files with 47 additions and 460 deletions
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2
editor/gsteditorconnection.c
View file

@ -179,7 +179,7 @@ static void gst_editor_connection_realize(GstEditorConnection *connection) {
connection->line = gnome_canvas_item_new( connection->line = gnome_canvas_item_new(
GST_EDITOR_ELEMENT(connection->parent)->group, GST_EDITOR_ELEMENT(connection->parent)->group,
gnome_canvas_line_get_type(), gnome_canvas_line_get_type(),
"points",connection->points,NULL); "points",connection->points,"width_units",2.0, NULL);
} }
static void gst_editor_connection_destroy(GtkObject *object) { static void gst_editor_connection_destroy(GtkObject *object) {

2
editor/gsteditorpad.c
View file

@ -226,7 +226,7 @@ static void gst_editor_pad_realize(GstEditorPad *pad) {
pad->border = gnome_canvas_item_new(pad->group, pad->border = gnome_canvas_item_new(pad->group,
gnome_canvas_rect_get_type(), gnome_canvas_rect_get_type(),
"width_units",1.0,"fill_color","white","outline_color","black", "width_units",1.0,"fill_color_rgba", 0xCCFFCC00,"outline_color","black",
"x1",0.0,"y1",0.0,"x2",pad->width,"y2",pad->height,NULL); "x1",0.0,"y1",0.0,"x2",pad->width,"y2",pad->height,NULL);
g_return_if_fail(pad->border != NULL); g_return_if_fail(pad->border != NULL);
GST_EDITOR_SET_OBJECT(pad->border,pad); GST_EDITOR_SET_OBJECT(pad->border,pad);

4
gst/gstpipeline.c
View file

@ -419,6 +419,8 @@ differ:
GstElement *thesrcelement = srcelement; GstElement *thesrcelement = srcelement;
GstElement *thebin = GST_ELEMENT(pipeline); GstElement *thebin = GST_ELEMENT(pipeline);
if (g_list_length(factories[i]) < 1) goto next;
sinkelement = (GstElement *)elements->data; sinkelement = (GstElement *)elements->data;
use_thread = have_common; use_thread = have_common;
@ -486,7 +488,7 @@ differ:
// this element is now the new source element // this element is now the new source element
thesrcelement = element; thesrcelement = element;
} }
next:
elements = g_list_next(elements); elements = g_list_next(elements);
i++; i++;
} }

3
gstplay/Makefile.am
View file

@ -11,12 +11,9 @@ glade_DATA = gstplay.glade play.xpm stop.xpm pause.xpm
gstplay_SOURCES = \ gstplay_SOURCES = \
gstplay.c \ gstplay.c \
mpeg1.c mpeg2.c avi.c\
interface.c interface.h \ interface.c interface.h \
callbacks.c callbacks.h callbacks.c callbacks.h
noinst_HEADERS = codecs.h
CFLAGS += -O2 -Wall -DDATADIR=\""$(gladedir)/"\" CFLAGS += -O2 -Wall -DDATADIR=\""$(gladedir)/"\"
gstplay_CFLAGS = $(shell gnome-config --cflags gnomeui) $(shell libglade-config --cflags gnome) \ gstplay_CFLAGS = $(shell gnome-config --cflags gnomeui) $(shell libglade-config --cflags gnome) \

34
gstplay/avi.c
View file

@ -1,34 +0,0 @@
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gnome.h>
#include <gst/gst.h>
extern GstElement *video_render_queue, *audio_render_queue;
void avi_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) {
gst_bin_add(GST_BIN(pipeline), audio_render_queue);
gst_pad_connect(pad,
gst_element_get_pad(audio_render_queue,"sink"));
} else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
//} else if (0) {
gst_bin_add(GST_BIN(pipeline), video_render_queue);
gst_pad_connect(pad,
gst_element_get_pad(video_render_queue,"sink"));
}
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
g_print("\n");
}

183
gstplay/gstplay.c
View file

@ -15,36 +15,30 @@
#include "callbacks.h" #include "callbacks.h"
#include "interface.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 MUTEX_STATUS() (g_mutex_trylock(gdk_threads_mutex)? g_mutex_unlock(gdk_threads_mutex), "was not locked" : "was locked")
#define BUFFER 20 #define BUFFER 20
extern gboolean _gst_plugin_spew; static gboolean idle_func(gpointer data);
gboolean idle_func(gpointer data); static gint start_from_file(guchar *filename);
GstElement *show, *video_render_queue;
GstElement *audio_play, *audio_render_queue; GstElement *show;
GstElement *audio_play;
GstElement *src; GstElement *src;
GstElement *parse;
GstElement *pipeline; GstElement *pipeline;
GstElement *parse = NULL;
GstElement *typefind;
GstElement *video_render_thread;
GstElement *audio_render_thread;
GstPlayState state; GstPlayState state;
gboolean picture_shown = FALSE; gboolean picture_shown = FALSE;
guchar statusline[200]; guchar statusline[200];
guchar *statustext = "stopped"; guchar *statustext = "stopped";
GtkWidget *status_area; GtkWidget *status_area;
GtkWidget *video;
GtkAdjustment *adjustment; GtkAdjustment *adjustment;
GtkWidget *play_button; GtkWidget *play_button;
GtkWidget *pause_button; GtkWidget *pause_button;
GtkWidget *stop_button; GtkWidget *stop_button;
GtkFileSelection *open_file_selection; GtkFileSelection *open_file_selection;
gint start_from_file(guchar *filename);
static void frame_displayed(GstSrc *asrc) static void frame_displayed(GstSrc *asrc)
{ {
int size, time, frame_time = 0, src_pos; int size, time, frame_time = 0, src_pos;
@ -79,9 +73,8 @@ static void frame_displayed(GstSrc *asrc)
DEBUG("gstplay: frame displayed end %s\n", MUTEX_STATUS()); DEBUG("gstplay: frame displayed end %s\n", MUTEX_STATUS());
} }
gboolean idle_func(gpointer data) { static gboolean idle_func(gpointer data) {
DEBUG("idle start %s\n",MUTEX_STATUS()); DEBUG("idle start %s\n",MUTEX_STATUS());
//gst_src_push(GST_SRC(data));
gst_bin_iterate(GST_BIN(data)); gst_bin_iterate(GST_BIN(data));
DEBUG("idle stop %s\n",MUTEX_STATUS()); DEBUG("idle stop %s\n",MUTEX_STATUS());
return TRUE; return TRUE;
@ -103,7 +96,7 @@ void show_next_picture() {
DEBUG("gstplay: next found %s\n", MUTEX_STATUS()); DEBUG("gstplay: next found %s\n", MUTEX_STATUS());
} }
void mute_audio(gboolean mute) { static void mute_audio(gboolean mute) {
gtk_object_set(GTK_OBJECT(audio_play),"mute",mute,NULL); gtk_object_set(GTK_OBJECT(audio_play),"mute",mute,NULL);
} }
@ -135,7 +128,7 @@ on_exit_menu_activate (GtkMenuItem *menuitem,
gdk_threads_leave(); gdk_threads_leave();
gstplay_tear_down(); gstplay_tear_down();
gdk_threads_enter(); gdk_threads_enter();
gtk_main_quit(); gst_main_quit();
} }
void on_ok_button1_clicked (GtkButton *button, void on_ok_button1_clicked (GtkButton *button,
@ -155,12 +148,6 @@ gint on_gstplay_delete_event(GtkWidget *widget, GdkEvent *event, gpointer data)
return FALSE; 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) { void change_state(GstPlayState new_state) {
if (new_state == state) return; if (new_state == state) return;
@ -169,6 +156,7 @@ void change_state(GstPlayState new_state) {
mute_audio(FALSE); mute_audio(FALSE);
statustext = "playing"; statustext = "playing";
update_status_area(status_area); update_status_area(status_area);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING); gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
gtk_idle_add(idle_func, pipeline); gtk_idle_add(idle_func, pipeline);
state = GSTPLAY_PLAYING; state = GSTPLAY_PLAYING;
@ -178,12 +166,14 @@ void change_state(GstPlayState new_state) {
statustext = "paused"; statustext = "paused";
update_status_area(status_area); update_status_area(status_area);
if (state != GSTPLAY_STOPPED) gtk_idle_remove_by_data(pipeline); if (state != GSTPLAY_STOPPED) gtk_idle_remove_by_data(pipeline);
//gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
mute_audio(TRUE); mute_audio(TRUE);
state = GSTPLAY_PAUSE; state = GSTPLAY_PAUSE;
update_buttons(1); update_buttons(1);
break; break;
case GSTPLAY_STOPPED: case GSTPLAY_STOPPED:
if (state != GSTPLAY_PAUSE) gtk_idle_remove_by_data(pipeline); if (state != GSTPLAY_PAUSE) gtk_idle_remove_by_data(pipeline);
//gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_NULL);
statustext = "stopped"; statustext = "stopped";
update_status_area(status_area); update_status_area(status_area);
mute_audio(TRUE); mute_audio(TRUE);
@ -191,104 +181,31 @@ void change_state(GstPlayState new_state) {
gtk_object_set(GTK_OBJECT(src),"offset",0,NULL); gtk_object_set(GTK_OBJECT(src),"offset",0,NULL);
update_buttons(2); update_buttons(2);
update_slider(adjustment, 0.0); update_slider(adjustment, 0.0);
show_next_picture(); //show_next_picture();
break; break;
} }
} }
static void have_type(GstSink *sink) { static gint start_from_file(guchar *filename)
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);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_render_thread));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_render_thread));
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"); src = gst_elementfactory_make("disksrc", "disk_src");
g_return_val_if_fail(src != NULL, -1); g_return_val_if_fail(src != NULL, -1);
g_print("should be using file '%s'\n",filename); g_print("should be using file '%s'\n",filename);
gtk_object_set(GTK_OBJECT(src),"location",filename,NULL); gtk_object_set(GTK_OBJECT(src),"location",filename,NULL);
typefind = gst_elementfactory_make("typefind","typefind"); gst_pipeline_add_src(GST_PIPELINE(pipeline),GST_ELEMENT(src));
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_connect(GTK_OBJECT(src),"eos",
GTK_SIGNAL_FUNC(eof),NULL); GTK_SIGNAL_FUNC(eof),NULL);
gst_pad_connect(gst_element_get_pad(src,"src"), if (!gst_pipeline_autoplug(GST_PIPELINE(pipeline))) {
gst_element_get_pad(typefind,"sink")); g_print("unable to handle stream\n");
exit(-1);
}
if (GST_PAD_CONNECTED(gst_element_get_pad(show, "sink"))) {
gtk_widget_show(video);
}
g_print("setting to READY state\n"); 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_READY);
state = GSTPLAY_STOPPED; state = GSTPLAY_STOPPED;
@ -311,18 +228,14 @@ main (int argc, char *argv[])
bindtextdomain (PACKAGE, PACKAGE_LOCALE_DIR); bindtextdomain (PACKAGE, PACKAGE_LOCALE_DIR);
textdomain (PACKAGE); textdomain (PACKAGE);
g_thread_init(NULL); gst_init(&argc,&argv);
gtk_init(&argc,&argv);
gnome_init ("gstreamer", VERSION, argc, argv); gnome_init ("gstreamer", VERSION, argc, argv);
glade_init(); glade_init();
glade_gnome_init(); glade_gnome_init();
gst_init(&argc,&argv);
//gst_plugin_load_all();
g_print("using %s\n", DATADIR"gstplay.glade"); g_print("using %s\n", DATADIR"gstplay.glade");
/* load the interface */ /* load the interface */
xml = glade_xml_new(DATADIR "gstplay.glade", "gstplay"); xml = glade_xml_new(DATADIR "gstplay.glade", "gstplay");
/* connect the signals in the interface */
status_area = glade_xml_get_widget(xml, "status_area"); status_area = glade_xml_get_widget(xml, "status_area");
slider = glade_xml_get_widget(xml, "slider"); slider = glade_xml_get_widget(xml, "slider");
@ -349,43 +262,33 @@ main (int argc, char *argv[])
GTK_SIGNAL_FUNC (target_drag_data_received), GTK_SIGNAL_FUNC (target_drag_data_received),
NULL); NULL);
gst_plugin_load("videosink");
g_snprintf(statusline, 200, "seeking"); g_snprintf(statusline, 200, "seeking");
pipeline = gst_pipeline_new("main_pipeline"); /* create a new bin to hold the elements */
g_return_val_if_fail(pipeline != NULL, -1); pipeline = gst_pipeline_new("pipeline");
g_assert(pipeline != NULL);
video_render_thread = gst_thread_new("video_render_thread"); /* and an audio sink */
g_return_val_if_fail(video_render_thread != NULL, -1); audio_play = gst_elementfactory_make("audiosink","play_audio");
g_return_val_if_fail(audio_play != NULL, -1);
/* and a video sink */
show = gst_elementfactory_make("videosink","show"); show = gst_elementfactory_make("videosink","show");
g_return_val_if_fail(show != NULL, -1); g_return_val_if_fail(show != NULL, -1);
gtk_object_set(GTK_OBJECT(show),"xv_enabled",FALSE,NULL); gtk_object_set(GTK_OBJECT(show),"xv_enabled",FALSE,NULL);
gtk_signal_connect(GTK_OBJECT(show),"frame_displayed",
GTK_SIGNAL_FUNC(frame_displayed),NULL);
video = gst_util_get_widget_arg(GTK_OBJECT(show),"widget");
gnome_dock_set_client_area(GNOME_DOCK(glade_xml_get_widget(xml, "dock1")), gnome_dock_set_client_area(GNOME_DOCK(glade_xml_get_widget(xml, "dock1")),
gst_util_get_widget_arg(GTK_OBJECT(show),"widget")); video);
gst_bin_add(GST_BIN(video_render_thread),GST_ELEMENT(show));
gst_pipeline_add_sink(GST_PIPELINE(pipeline), audio_play);
gst_pipeline_add_sink(GST_PIPELINE(pipeline), show);
/* connect the signals in the interface */
glade_xml_signal_autoconnect(xml); glade_xml_signal_autoconnect(xml);
video_render_queue = gst_elementfactory_make("queue","video_render_queue");
gtk_object_set(GTK_OBJECT(video_render_queue),"max_level",BUFFER,NULL);
gst_pad_connect(gst_element_get_pad(video_render_queue,"src"),
gst_element_get_pad(show,"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));
audio_render_queue = gst_elementfactory_make("queue","audio_render_queue");
gtk_object_set(GTK_OBJECT(audio_render_queue),"max_level",BUFFER,NULL);
gst_pad_connect(gst_element_get_pad(audio_render_queue,"src"),
gst_element_get_pad(audio_play,"sink"));
gtk_object_set(GTK_OBJECT(audio_render_thread),"create_thread",TRUE,NULL);
if (argc > 1) { if (argc > 1) {
gint ret; gint ret;
@ -393,9 +296,7 @@ main (int argc, char *argv[])
if (ret < 0) exit(ret); if (ret < 0) exit(ret);
} }
gdk_threads_enter(); gst_main();
gtk_main();
gdk_threads_leave();
return 0; return 0;
} }

129
gstplay/mpeg1.c
View file

@ -1,129 +0,0 @@
#define BUFFER 20
#define VIDEO_DECODER "mpeg_play"
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gnome.h>
#include <gst/gst.h>
#include "codecs.h"
extern gboolean _gst_plugin_spew;
extern GstElement *video_render_queue;
extern GstElement *audio_render_queue;
void mpeg1_new_pad_created(GstElement *parse,GstPad *pad,GstElement *pipeline)
{
g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
// connect to audio pad
//if (0) {
if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0 && audio_render_queue) {
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
mpeg1_setup_audio_thread(pad, audio_render_queue, pipeline);
} else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
//} else if (0) {
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
mpeg1_setup_video_thread(pad, video_render_queue, pipeline);
}
else return;
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
}
void mpeg1_setup_audio_thread(GstPad *pad, GstElement *audio_render_queue, GstElement *pipeline)
{
GstElement *parse_audio, *decode;
GstElement *audio_queue;
GstElement *audio_thread;
gst_plugin_load("mp3parse");
gst_plugin_load("mpg123");
// construct internal pipeline elements
parse_audio = gst_elementfactory_make("mp3parse","parse_audio");
g_return_if_fail(parse_audio != NULL);
decode = gst_elementfactory_make("mpg123","decode_audio");
g_return_if_fail(decode != 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(parse_audio));
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(audio_render_queue));
// set up pad connections
gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
gst_element_get_pad(parse_audio,"sink"));
gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
gst_element_get_pad(decode,"sink"));
gst_pad_connect(gst_element_get_pad(decode,"src"),
gst_element_get_pad(audio_render_queue,"sink"));
// construct queue and connect everything in the main pipelie
audio_queue = gst_elementfactory_make("queue","audio_queue");
gtk_object_set(GTK_OBJECT(audio_queue),"max_level",BUFFER,NULL);
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);
}
void mpeg1_setup_video_thread(GstPad *pad, GstElement *video_render_queue, GstElement *pipeline)
{
GstElement *parse_video, *decode_video;
GstElement *video_queue;
GstElement *video_thread;
gst_plugin_load("mp1videoparse");
gst_plugin_load(VIDEO_DECODER);
// construct internal pipeline elements
parse_video = gst_elementfactory_make("mp1videoparse","parse_video");
g_return_if_fail(parse_video != NULL);
decode_video = gst_elementfactory_make(VIDEO_DECODER,"decode_video");
g_return_if_fail(decode_video != NULL);
// create the thread and pack stuff into it
video_thread = gst_thread_new("video_thread");
g_return_if_fail(video_thread != NULL);
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(parse_video));
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(decode_video));
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(video_render_queue));
// set up pad connections
gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
gst_element_get_pad(parse_video,"sink"));
gst_pad_connect(gst_element_get_pad(parse_video,"src"),
gst_element_get_pad(decode_video,"sink"));
gst_pad_connect(gst_element_get_pad(decode_video,"src"),
gst_element_get_pad(video_render_queue,"sink"));
// construct queue and connect everything in the main pipeline
video_queue = gst_elementfactory_make("queue","video_queue");
gtk_object_set(GTK_OBJECT(video_queue),"max_level",BUFFER,NULL);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
gst_pad_connect(pad,
gst_element_get_pad(video_queue,"sink"));
gst_pad_connect(gst_element_get_pad(video_queue,"src"),
gst_element_get_pad(video_thread,"sink"));
// set up thread state and kick things off
gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL);
g_print("setting to RUNNING state\n");
gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_READY);
}

150
gstplay/mpeg2.c
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@ -1,150 +0,0 @@
#define BUFFER 20
#define VIDEO_DECODER "mpeg2play"
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gnome.h>
#include <gst/gst.h>
#include "codecs.h"
extern gboolean _gst_plugin_spew;
extern GstElement *video_render_queue, *audio_render_queue;
GstElement *merge_subtitles;
void mpeg2_new_pad_created(GstElement *parse,GstPad *pad,GstElement *pipeline)
{
GstElement *parse_audio, *decode;
GstElement *audio_queue;
GstElement *audio_thread;
g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
// connect to audio pad
if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
mpeg2_setup_video_thread(pad, video_render_queue, pipeline);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
return;
}
else if (strncmp(gst_pad_get_name(pad), "private_stream_1.0", 18) == 0) {
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
gst_plugin_load("ac3parse");
gst_plugin_load("ac3dec");
// construct internal pipeline elements
parse_audio = gst_elementfactory_make("ac3parse","parse_audio");
g_return_if_fail(parse_audio != NULL);
decode = gst_elementfactory_make("ac3dec","decode_audio");
g_return_if_fail(decode != NULL);
} else if (strncmp(gst_pad_get_name(pad), "subtitle_stream_4", 17) == 0) {
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
gst_pad_connect(pad,
gst_element_get_pad(merge_subtitles,"subtitle"));
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
return;
}
else if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
gst_plugin_load("mp3parse");
gst_plugin_load("mpg123");
// construct internal pipeline elements
parse_audio = gst_elementfactory_make("mp3parse","parse_audio");
g_return_if_fail(parse_audio != NULL);
decode = gst_elementfactory_make("mpg123","decode_audio");
g_return_if_fail(decode != NULL);
}
else {
return;
}
// 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(parse_audio));
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(audio_render_queue));
// set up pad connections
gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
gst_element_get_pad(parse_audio,"sink"));
gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
gst_element_get_pad(decode,"sink"));
gst_pad_connect(gst_element_get_pad(decode,"src"),
gst_element_get_pad(audio_render_queue,"sink"));
// construct queue and connect everything in the main pipelie
audio_queue = gst_elementfactory_make("queue","audio_queue");
gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
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);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
}
void mpeg2_setup_video_thread(GstPad *pad, GstElement *show, GstElement *pipeline)
{
GstElement *parse_video, *decode_video;
GstElement *video_queue;
GstElement *video_thread;
gst_plugin_load("mp1videoparse");
gst_plugin_load(VIDEO_DECODER);
gst_plugin_load("mpeg2subt");
// construct internal pipeline elements
parse_video = gst_elementfactory_make("mp1videoparse","parse_video");
g_return_if_fail(parse_video != NULL);
decode_video = gst_elementfactory_make(VIDEO_DECODER,"decode_video");
g_return_if_fail(decode_video != NULL);
merge_subtitles = gst_elementfactory_make("mpeg2subt","merge_subtitles");
g_return_if_fail(merge_subtitles != NULL);
// create the thread and pack stuff into it
video_thread = gst_thread_new("video_thread");
g_return_if_fail(video_thread != NULL);
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(parse_video));
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(decode_video));
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(merge_subtitles));
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(video_render_queue));
gst_bin_use_cothreads(GST_BIN(video_thread), FALSE);
// set up pad connections
gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
gst_element_get_pad(parse_video,"sink"));
gst_pad_connect(gst_element_get_pad(parse_video,"src"),
gst_element_get_pad(decode_video,"sink"));
gst_pad_connect(gst_element_get_pad(decode_video,"src"),
gst_element_get_pad(merge_subtitles,"video"));
gst_pad_connect(gst_element_get_pad(merge_subtitles,"src"),
gst_element_get_pad(video_render_queue,"sink"));
// construct queue and connect everything in the main pipeline
video_queue = gst_elementfactory_make("queue","video_queue");
gtk_object_set(GTK_OBJECT(video_queue),"max_level",BUFFER,NULL);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
gst_pad_connect(pad,
gst_element_get_pad(video_queue,"sink"));
gst_pad_connect(gst_element_get_pad(video_queue,"src"),
gst_element_get_pad(video_thread,"sink"));
// set up thread state and kick things off
gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL);
g_print("setting to RUNNING state\n");
gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_READY);
g_print("\n");
}