Commit 09e894fe authored by Wim Taymans's avatar Wim Taymans
Browse files

examples/seeking/: Added app for playback speed testing.

Original commit message from CVS:
* examples/seeking/Makefile.am:
* examples/seeking/scrubby.c: (gst_element_factory_make_or_warn),
(dynamic_link), (setup_dynamic_link), (make_wav_pipeline),
(make_playerbin_pipeline), (format_value), (update_scale),
(speed_cb), (seek_cb), (do_seek), (start_seek), (stop_seek),
(play_cb), (pause_cb), (stop_cb), (print_message), (bus_message),
(print_usage), (main):
Added app for playback speed testing.

* examples/seeking/seek.c: (dynamic_link),
(make_avi_msmpeg4v3_mp3_pipeline), (make_avi_pipeline),
(make_mpeg_pipeline), (do_seek), (set_update_scale),
(message_received), (main):
Updated seek example.
parent 5194aac1
2005-11-04 Wim Taymans <wim@fluendo.com>
* examples/seeking/Makefile.am:
* examples/seeking/scrubby.c: (gst_element_factory_make_or_warn),
(dynamic_link), (setup_dynamic_link), (make_wav_pipeline),
(make_playerbin_pipeline), (format_value), (update_scale),
(speed_cb), (seek_cb), (do_seek), (start_seek), (stop_seek),
(play_cb), (pause_cb), (stop_cb), (print_message), (bus_message),
(print_usage), (main):
Added app for playback speed testing.
* examples/seeking/seek.c: (dynamic_link),
(make_avi_msmpeg4v3_mp3_pipeline), (make_avi_pipeline),
(make_mpeg_pipeline), (do_seek), (set_update_scale),
(message_received), (main):
Updated seek example.
2005-11-04 Zeeshan Ali <zeenix@gmail.com>
 
* gst-libs/gst/rtp/gstbasertpdepayload.c:
......
examples = seek #scrubby cdplayer cdparanoia
examples = seek scrubby #cdplayer cdparanoia
noinst_PROGRAMS = $(examples)
......
#include <stdlib.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <string.h>
GST_DEBUG_CATEGORY (scrubby_debug);
#define GST_CAT_DEFAULT (scrubby_debug)
static GstElement *pipeline;
static gint64 position;
static gint64 duration;
static GtkAdjustment *adjustment;
static GtkWidget *hscale;
static GtkAdjustment *sadjustment;
static GtkWidget *shscale;
static gboolean verbose = FALSE;
static guint bus_watch = 0;
static guint update_id = 0;
static guint changed_id = 0;
static guint schanged_id = 0;
//#define SOURCE "filesrc"
#define SOURCE "gnomevfssrc"
#define ASINK "alsasink"
//#define ASINK "osssink"
#define VSINK "xvimagesink"
//#define VSINK "ximagesink"
//#define VSINK "aasink"
//#define VSINK "cacasink"
#define RANGE_PREC 10000
#define SEGMENT_LEN 100
#define UPDATE_INTERVAL 500
gdouble prev_range = -1.0;
GstClockTime prev_time = -1;
gdouble cur_range;
GstClockTime cur_time;
GstClockTimeDiff diff;
gdouble cur_speed = 1.0;
typedef struct
{
const gchar *padname;
GstPad *target;
GstElement *bin;
}
dyn_link;
static GstElement *
gst_element_factory_make_or_warn (gchar * type, gchar * name)
{
GstElement *element = gst_element_factory_make (type, name);
if (!element) {
g_warning ("Failed to create element %s of type %s", name, type);
}
return element;
}
static void
dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data)
{
dyn_link *connect = (dyn_link *) data;
if (connect->padname == NULL ||
!strcmp (gst_pad_get_name (newpad), connect->padname)) {
if (connect->bin)
gst_bin_add (GST_BIN (pipeline), connect->bin);
gst_pad_link (newpad, connect->target);
}
}
static void
setup_dynamic_link (GstElement * element, const gchar * padname,
GstPad * target, GstElement * bin)
{
dyn_link *connect;
connect = g_new0 (dyn_link, 1);
connect->padname = g_strdup (padname);
connect->target = target;
connect->bin = bin;
g_signal_connect (G_OBJECT (element), "pad-added", G_CALLBACK (dynamic_link),
connect);
}
static GstElement *
make_wav_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
decoder = gst_element_factory_make_or_warn ("wavparse", "decoder");
audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
g_object_set (G_OBJECT (src), "location", location, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), audiosink);
gst_element_link (src, decoder);
setup_dynamic_link (decoder, "src", gst_element_get_pad (audiosink, "sink"),
NULL);
return pipeline;
}
static GstElement *
make_playerbin_pipeline (const gchar * location)
{
GstElement *player;
player = gst_element_factory_make ("playbin", "player");
g_assert (player);
g_object_set (G_OBJECT (player), "uri", location, NULL);
return player;
}
static gchar *
format_value (GtkScale * scale, gdouble value)
{
gint64 real;
gint64 seconds;
gint64 subseconds;
real = value * duration / RANGE_PREC;
seconds = (gint64) real / GST_SECOND;
subseconds = (gint64) real / (GST_SECOND / RANGE_PREC);
return g_strdup_printf ("%02" G_GINT64_FORMAT ":%02" G_GINT64_FORMAT ":%02"
G_GINT64_FORMAT, seconds / 60, seconds % 60, subseconds % 100);
}
static gboolean
update_scale (gpointer data)
{
GstFormat format;
position = 0;
duration = 0;
format = GST_FORMAT_TIME;
gst_element_query_position (pipeline, &format, &position);
gst_element_query_duration (pipeline, &format, &duration);
if (position >= duration)
duration = position;
if (duration > 0) {
gtk_adjustment_set_value (adjustment,
position * (gdouble) RANGE_PREC / duration);
gtk_widget_queue_draw (hscale);
}
return TRUE;
}
static void
speed_cb (GtkWidget * widget)
{
GstEvent *s_event;
gboolean res;
GST_DEBUG ("speed change");
cur_speed = gtk_range_get_value (GTK_RANGE (widget));
s_event = gst_event_new_seek (cur_speed,
GST_FORMAT_TIME, 0, GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
res = gst_element_send_event (pipeline, s_event);
if (!res)
g_print ("speed change failed\n");
}
static gboolean do_seek (GtkWidget * widget, gboolean flush, gboolean segment);
static void
seek_cb (GtkWidget * widget)
{
if (changed_id) {
GST_DEBUG ("seek because of slider move");
if (do_seek (widget, TRUE, TRUE)) {
g_source_remove (changed_id);
changed_id = 0;
}
}
}
static gboolean
do_seek (GtkWidget * widget, gboolean flush, gboolean segment)
{
gint64 start, stop;
gboolean res = FALSE;
GstEvent *s_event;
gdouble rate;
GTimeVal tv;
gboolean valid;
gdouble new_range;
if (segment)
new_range = gtk_range_get_value (GTK_RANGE (widget));
else {
new_range = (gdouble) RANGE_PREC;
cur_time = -1;
}
valid = prev_time != -1;
GST_DEBUG ("flush %d, segment %d, valid %d", flush, segment, valid);
if (new_range == cur_range)
return FALSE;
prev_time = cur_time;
prev_range = cur_range;
cur_range = new_range;
g_get_current_time (&tv);
cur_time = GST_TIMEVAL_TO_TIME (tv);
if (!valid)
return FALSE;
GST_DEBUG ("cur: %lf, %" GST_TIME_FORMAT, cur_range,
GST_TIME_ARGS (cur_time));
GST_DEBUG ("prev: %lf, %" GST_TIME_FORMAT, prev_range,
GST_TIME_ARGS (prev_time));
diff = cur_time - prev_time;
GST_DEBUG ("diff: %" GST_TIME_FORMAT, GST_TIME_ARGS (diff));
start = prev_range * duration / RANGE_PREC;
/* play 50 milliseconds */
stop = segment ? cur_range * duration / RANGE_PREC : duration;
if (start == stop)
return FALSE;
if (segment)
rate = (stop - start) / (gdouble) diff;
else
rate = cur_speed;
if (start > stop) {
gint64 tmp;
tmp = start;
start = stop;
stop = tmp;
}
GST_DEBUG ("seek to %" GST_TIME_FORMAT " -- %" GST_TIME_FORMAT ", rate %lf"
" on element %s",
GST_TIME_ARGS (start), GST_TIME_ARGS (stop), rate,
GST_ELEMENT_NAME (pipeline));
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME,
(flush ? GST_SEEK_FLAG_FLUSH : 0) |
(segment ? GST_SEEK_FLAG_SEGMENT : 0),
GST_SEEK_TYPE_SET, start, GST_SEEK_TYPE_SET, stop);
res = gst_element_send_event (pipeline, s_event);
if (!res)
g_print ("seek failed\n");
gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
return TRUE;
}
static gboolean
start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
{
if (update_id) {
g_source_remove (update_id);
update_id = 0;
}
if (changed_id == 0) {
changed_id = gtk_signal_connect (GTK_OBJECT (hscale),
"value_changed", G_CALLBACK (seek_cb), pipeline);
}
GST_DEBUG ("start seek");
return FALSE;
}
static gboolean
stop_seek (GtkWidget * widget, gpointer user_data)
{
update_id =
g_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
GST_DEBUG ("stop seek");
if (changed_id) {
g_source_remove (changed_id);
changed_id = 0;
}
do_seek (hscale, FALSE, FALSE);
return FALSE;
}
static void
play_cb (GtkButton * button, gpointer data)
{
GstState state;
gst_element_get_state (pipeline, &state, NULL, GST_CLOCK_TIME_NONE);
if (state != GST_STATE_PLAYING) {
g_print ("PLAY pipeline\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
update_id =
g_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
}
}
static void
pause_cb (GtkButton * button, gpointer data)
{
GstState state;
gst_element_get_state (pipeline, &state, NULL, GST_CLOCK_TIME_NONE);
if (state != GST_STATE_PAUSED) {
g_print ("PAUSE pipeline\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
g_source_remove (update_id);
}
}
static void
stop_cb (GtkButton * button, gpointer data)
{
GstState state;
gst_element_get_state (pipeline, &state, NULL, GST_CLOCK_TIME_NONE);
if (state != GST_STATE_READY) {
g_print ("READY pipeline\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_set_state (pipeline, GST_STATE_READY);
gtk_adjustment_set_value (adjustment, 0.0);
g_source_remove (update_id);
}
}
static void
print_message (GstMessage * message)
{
const GstStructure *s;
s = gst_message_get_structure (message);
g_print ("Got Message from element \"%s\"\n",
GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))));
if (s) {
gchar *sstr;
sstr = gst_structure_to_string (s);
g_print ("%s\n", sstr);
g_free (sstr);
}
}
static gboolean
bus_message (GstBus * bus, GstMessage * message, gpointer data)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
g_print ("EOS\n");
break;
case GST_MESSAGE_ERROR:
case GST_MESSAGE_WARNING:
print_message (message);
break;
case GST_MESSAGE_SEGMENT_START:
break;
case GST_MESSAGE_SEGMENT_DONE:
GST_DEBUG ("segment_done, doing next seek");
if (!do_seek (hscale, FALSE, update_id == 0)) {
if (changed_id == 0) {
changed_id = gtk_signal_connect (GTK_OBJECT (hscale),
"value_changed", G_CALLBACK (seek_cb), pipeline);
}
}
break;
default:
break;
}
return TRUE;
}
typedef struct
{
gchar *name;
GstElement *(*func) (const gchar * location);
}
Pipeline;
static Pipeline pipelines[] = {
{"wav", make_wav_pipeline},
{"playerbin", make_playerbin_pipeline},
{NULL, NULL},
};
#define NUM_TYPES ((sizeof (pipelines) / sizeof (Pipeline)) - 1)
static void
print_usage (int argc, char **argv)
{
gint i;
g_print ("usage: %s <type> <filename>\n", argv[0]);
g_print (" possible types:\n");
for (i = 0; i < NUM_TYPES; i++) {
g_print (" %d = %s\n", i, pipelines[i].name);
}
}
int
main (int argc, char **argv)
{
GtkWidget *window, *hbox, *vbox, *play_button, *pause_button, *stop_button;
GstBus *bus;
GOptionEntry options[] = {
{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
"Verbose properties", NULL},
{NULL}
};
gint type;
GOptionContext *ctx;
GError *err = NULL;
ctx = g_option_context_new ("seek");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message);
exit (1);
}
GST_DEBUG_CATEGORY_INIT (scrubby_debug, "scrubby", 0, "scrubby example");
gtk_init (&argc, &argv);
if (argc != 3) {
print_usage (argc, argv);
exit (-1);
}
type = atoi (argv[1]);
if (type < 0 || type >= NUM_TYPES) {
print_usage (argc, argv);
exit (-1);
}
pipeline = pipelines[type].func (argv[2]);
g_assert (pipeline);
/* initialize gui elements ... */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
hbox = gtk_hbox_new (FALSE, 0);
vbox = gtk_vbox_new (FALSE, 0);
play_button = gtk_button_new_with_label ("play");
pause_button = gtk_button_new_with_label ("pause");
stop_button = gtk_button_new_with_label ("stop");
adjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, (gdouble) RANGE_PREC, 0.1,
1.0, 1.0));
hscale = gtk_hscale_new (adjustment);
gtk_scale_set_digits (GTK_SCALE (hscale), 2);
gtk_range_set_update_policy (GTK_RANGE (hscale), GTK_UPDATE_CONTINUOUS);
sadjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (1.0, 0.0, 5.0, 0.1, 1.0, 1.0));
shscale = gtk_hscale_new (sadjustment);
gtk_scale_set_digits (GTK_SCALE (shscale), 2);
gtk_range_set_update_policy (GTK_RANGE (shscale), GTK_UPDATE_CONTINUOUS);
schanged_id = gtk_signal_connect (GTK_OBJECT (shscale),
"value_changed", G_CALLBACK (speed_cb), pipeline);
gtk_signal_connect (GTK_OBJECT (hscale),
"button_press_event", G_CALLBACK (start_seek), pipeline);
gtk_signal_connect (GTK_OBJECT (hscale),
"button_release_event", G_CALLBACK (stop_seek), pipeline);
gtk_signal_connect (GTK_OBJECT (hscale),
"format_value", G_CALLBACK (format_value), pipeline);
/* do the packing stuff ... */
gtk_window_set_default_size (GTK_WINDOW (window), 96, 96);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
gtk_box_pack_start (GTK_BOX (hbox), play_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (hbox), pause_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (hbox), stop_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (vbox), shscale, TRUE, TRUE, 2);
/* connect things ... */
g_signal_connect (G_OBJECT (play_button), "clicked", G_CALLBACK (play_cb),
pipeline);
g_signal_connect (G_OBJECT (pause_button), "clicked", G_CALLBACK (pause_cb),
pipeline);
g_signal_connect (G_OBJECT (stop_button), "clicked", G_CALLBACK (stop_cb),
pipeline);
g_signal_connect (G_OBJECT (window), "delete_event", gtk_main_quit, NULL);
/* show the gui. */
gtk_widget_show_all (window);
if (verbose) {
g_signal_connect (pipeline, "deep_notify",
G_CALLBACK (gst_object_default_deep_notify), NULL);
}
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
g_assert (bus);
bus_watch = gst_bus_add_watch_full (bus,
G_PRIORITY_LOW, bus_message, pipeline, NULL);
gtk_main ();
g_print ("NULL pipeline\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
g_print ("free pipeline\n");
gst_object_unref (pipeline);
return 0;
}
......@@ -30,11 +30,13 @@ static gulong changed_id;
#define ASINK "alsasink"
//#define ASINK "osssink"
#define VSINK "xvimagesink"
//#define VSINK "sdlvideosink"
//#define VSINK "ximagesink"
//#define VSINK "aasink"
//#define VSINK "cacasink"
#define UPDATE_INTERVAL 500
//#define UPDATE_INTERVAL 500
#define UPDATE_INTERVAL 100
/* number of milliseconds to play for after a seek */
//#define SCRUB_TIME 250
......@@ -66,10 +68,12 @@ gst_element_factory_make_or_warn (gchar * type, gchar * name)
static void
dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data)
{
gchar *padname;
dyn_link *connect = (dyn_link *) data;
if (connect->padname == NULL ||
!strcmp (gst_pad_get_name (newpad), connect->padname)) {
padname = gst_pad_get_name (newpad);
if (connect->padname == NULL || !strcmp (padname, connect->padname)) {
if (connect->bin)
gst_bin_add (GST_BIN (pipeline), connect->bin);
gst_pad_link (newpad, connect->target);
......@@ -77,6 +81,7 @@ dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data)