Commit 57e0e033 authored by Wim Taymans's avatar Wim Taymans

Added wav test to seek.c

Original commit message from CVS:
Added wav test to seek.c
Added an example of element query/seek using spider
parent b5f578ca
examples = seek
examples = seek spider_seek
noinst_PROGRAMS = $(examples)
......
......@@ -57,6 +57,37 @@ setup_dynamic_connection (GstElement *element, const gchar *padname, GstPad *tar
g_signal_connect (G_OBJECT (element), "new_pad", G_CALLBACK (dynamic_connect), connect);
}
static GstElement*
make_wav_pipeline (const gchar *location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make (SOURCE, "src");
decoder = gst_element_factory_make ("wavparse", "decoder");
audiosink = gst_element_factory_make ("osssink", "sink");
//g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
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_connect (src, decoder);
gst_element_connect (decoder, audiosink);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement*
make_flac_pipeline (const gchar *location)
{
......@@ -625,6 +656,8 @@ main (int argc, char **argv)
pipeline = make_sid_pipeline (argv[2]);
else if (atoi (argv[1]) == 6)
pipeline = make_flac_pipeline (argv[2]);
else if (atoi (argv[1]) == 7)
pipeline = make_wav_pipeline (argv[2]);
/* initialize gui elements ... */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
......
#include <glib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <string.h>
static GList *rate_pads = NULL;
static GList *seekable_elements = NULL;
static GstElement *pipeline;
static guint64 duration, position;
static GtkAdjustment *adjustment;
static guint update_id;
#define SOURCE "gnomevfssrc"
//#define SOURCE "filesrc"
#define UPDATE_INTERVAL 500
#define THREAD
static GstElement*
make_spider_pipeline (const gchar *location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
GstElement *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make (SOURCE, "src");
decoder = gst_element_factory_make ("spider", "decoder");
audiosink = gst_element_factory_make ("osssink", "sink");
//g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
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_connect (src, decoder);
gst_element_connect (decoder, audiosink);
seekable = audiosink;
seekable_elements = g_list_prepend (seekable_elements, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (audiosink, "sink"));
return pipeline;
}
static gchar*
format_value (GtkScale *scale,
gdouble value)
{
gint64 real;
gint64 seconds;
gint64 subseconds;
real = value * duration / 100;
seconds = (gint64) real / GST_SECOND;
subseconds = (gint64) real / (GST_SECOND / 100);
return g_strdup_printf ("%02lld:%02lld:%02lld",
seconds/60,
seconds%60,
subseconds%100);
}
typedef struct
{
const gchar *name;
const GstFormat format;
} seek_format;
static seek_format seek_formats[] =
{
{ "tim", GST_FORMAT_TIME },
{ "byt", GST_FORMAT_BYTES },
{ "unt", GST_FORMAT_UNITS },
{ "buf", GST_FORMAT_BUFFERS },
{ "def", GST_FORMAT_DEFAULT },
{ NULL, 0 },
};
G_GNUC_UNUSED static void
query_rates (void)
{
GList *walk = rate_pads;
while (walk) {
GstPad *pad = GST_PAD (walk->data);
gint i = 0;
g_print ("rate/sec %8.8s: ", GST_PAD_NAME (pad));
while (seek_formats[i].name) {
gint64 value;
GstFormat format;
format = seek_formats[i].format;
if (gst_pad_convert (pad, GST_FORMAT_TIME, GST_SECOND,
&format, &value))
{
g_print ("%s %13lld | ", seek_formats[i].name, value);
}
else {
g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
}
i++;
}
g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
walk = g_list_next (walk);
}
}
G_GNUC_UNUSED static void
query_durations (GstElement *element)
{
gint i = 0;
g_print ("durations %8.8s: ", GST_ELEMENT_NAME (element));
while (seek_formats[i].name) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_element_query (element, GST_PAD_QUERY_TOTAL, &format, &value);
if (res) {
g_print ("%s %13lld | ", seek_formats[i].name, value);
if (seek_formats[i].format == GST_FORMAT_TIME)
duration = value;
}
else {
g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
}
i++;
}
g_print (" %s\n", GST_ELEMENT_NAME (element));
}
G_GNUC_UNUSED static void
query_positions (GstElement *element)
{
gint i = 0;
g_print ("positions %8.8s: ", GST_ELEMENT_NAME (element));
while (seek_formats[i].name) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_element_query (element, GST_PAD_QUERY_POSITION, &format, &value);
if (res) {
g_print ("%s %13lld | ", seek_formats[i].name, value);
if (seek_formats[i].format == GST_FORMAT_TIME)
position = value;
}
else {
g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
}
i++;
}
g_print (" %s\n", GST_ELEMENT_NAME (element));
}
static gboolean
update_scale (gpointer data)
{
GList *walk = seekable_elements;
GstClock *clock;
clock = gst_bin_get_clock (GST_BIN (pipeline));
g_print ("clock: %13llu (%s)\n", gst_clock_get_time (clock), gst_object_get_name (GST_OBJECT (clock)));
while (walk) {
GstElement *element = GST_ELEMENT (walk->data);
query_durations (element);
query_positions (element);
walk = g_list_next (walk);
}
query_rates ();
if (duration > 0) {
gtk_adjustment_set_value (adjustment, position * 100.0 / duration);
}
return TRUE;
}
static gboolean
iterate (gpointer data)
{
gboolean res;
res = gst_bin_iterate (GST_BIN (data));
if (!res) {
gtk_timeout_remove (update_id);
g_print ("stopping iterations\n");
}
return res;
}
static gboolean
start_seek (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gtk_timeout_remove (update_id);
return FALSE;
}
static gboolean
stop_seek (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
gint64 real = gtk_range_get_value (GTK_RANGE (widget)) * duration / 100;
gboolean res;
GstEvent *s_event;
GList *walk = seekable_elements;
while (walk) {
GstElement *seekable = GST_ELEMENT (walk->data);
g_print ("seek to %lld on element %s\n", real, GST_ELEMENT_NAME (seekable));
s_event = gst_event_new_seek (GST_FORMAT_TIME |
GST_SEEK_METHOD_SET |
GST_SEEK_FLAG_FLUSH, real);
res = gst_element_send_event (seekable, s_event);
gst_event_free (s_event);
walk = g_list_next (walk);
}
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_idle_add ((GtkFunction) iterate, pipeline);
update_id = gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
return FALSE;
}
static void
play_cb (GtkButton * button, gpointer data)
{
if (gst_element_get_state (pipeline) != GST_STATE_PLAYING) {
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_idle_add ((GtkFunction) iterate, pipeline);
update_id = gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
}
}
static void
pause_cb (GtkButton * button, gpointer data)
{
if (gst_element_get_state (pipeline) != GST_STATE_PAUSED) {
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gtk_timeout_remove (update_id);
}
}
static void
stop_cb (GtkButton * button, gpointer data)
{
if (gst_element_get_state (pipeline) != GST_STATE_READY) {
gst_element_set_state (pipeline, GST_STATE_READY);
gtk_timeout_remove (update_id);
}
}
int
main (int argc, char **argv)
{
GtkWidget *window, *hbox, *vbox,
*play_button, *pause_button, *stop_button,
*hscale;
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
if (argc != 2) {
g_print ("usage: %s <filename>\n", argv[0]);
exit (-1);
}
pipeline = make_spider_pipeline (argv[1]);
/* 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, 0.00, 100.0, 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);
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);
/* 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);
gtk_main ();
//g_mem_chunk_info();
return 0;
}
examples = seek
examples = seek spider_seek
noinst_PROGRAMS = $(examples)
......
......@@ -57,6 +57,37 @@ setup_dynamic_connection (GstElement *element, const gchar *padname, GstPad *tar
g_signal_connect (G_OBJECT (element), "new_pad", G_CALLBACK (dynamic_connect), connect);
}
static GstElement*
make_wav_pipeline (const gchar *location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make (SOURCE, "src");
decoder = gst_element_factory_make ("wavparse", "decoder");
audiosink = gst_element_factory_make ("osssink", "sink");
//g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
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_connect (src, decoder);
gst_element_connect (decoder, audiosink);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement*
make_flac_pipeline (const gchar *location)
{
......@@ -625,6 +656,8 @@ main (int argc, char **argv)
pipeline = make_sid_pipeline (argv[2]);
else if (atoi (argv[1]) == 6)
pipeline = make_flac_pipeline (argv[2]);
else if (atoi (argv[1]) == 7)
pipeline = make_wav_pipeline (argv[2]);
/* initialize gui elements ... */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
......
#include <glib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <string.h>
static GList *rate_pads = NULL;
static GList *seekable_elements = NULL;
static GstElement *pipeline;
static guint64 duration, position;
static GtkAdjustment *adjustment;
static guint update_id;
#define SOURCE "gnomevfssrc"
//#define SOURCE "filesrc"
#define UPDATE_INTERVAL 500
#define THREAD
static GstElement*
make_spider_pipeline (const gchar *location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
GstElement *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make (SOURCE, "src");
decoder = gst_element_factory_make ("spider", "decoder");
audiosink = gst_element_factory_make ("osssink", "sink");
//g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
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_connect (src, decoder);
gst_element_connect (decoder, audiosink);
seekable = audiosink;
seekable_elements = g_list_prepend (seekable_elements, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (audiosink, "sink"));
return pipeline;
}
static gchar*
format_value (GtkScale *scale,
gdouble value)
{
gint64 real;
gint64 seconds;
gint64 subseconds;
real = value * duration / 100;
seconds = (gint64) real / GST_SECOND;
subseconds = (gint64) real / (GST_SECOND / 100);
return g_strdup_printf ("%02lld:%02lld:%02lld",
seconds/60,
seconds%60,
subseconds%100);
}
typedef struct
{
const gchar *name;
const GstFormat format;
} seek_format;
static seek_format seek_formats[] =
{
{ "tim", GST_FORMAT_TIME },
{ "byt", GST_FORMAT_BYTES },
{ "unt", GST_FORMAT_UNITS },
{ "buf", GST_FORMAT_BUFFERS },
{ "def", GST_FORMAT_DEFAULT },
{ NULL, 0 },
};
G_GNUC_UNUSED static void
query_rates (void)
{
GList *walk = rate_pads;
while (walk) {
GstPad *pad = GST_PAD (walk->data);
gint i = 0;
g_print ("rate/sec %8.8s: ", GST_PAD_NAME (pad));
while (seek_formats[i].name) {
gint64 value;
GstFormat format;
format = seek_formats[i].format;
if (gst_pad_convert (pad, GST_FORMAT_TIME, GST_SECOND,
&format, &value))
{
g_print ("%s %13lld | ", seek_formats[i].name, value);
}
else {
g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
}
i++;
}
g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
walk = g_list_next (walk);
}
}
G_GNUC_UNUSED static void
query_durations (GstElement *element)
{
gint i = 0;
g_print ("durations %8.8s: ", GST_ELEMENT_NAME (element));
while (seek_formats[i].name) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_element_query (element, GST_PAD_QUERY_TOTAL, &format, &value);
if (res) {
g_print ("%s %13lld | ", seek_formats[i].name, value);
if (seek_formats[i].format == GST_FORMAT_TIME)
duration = value;
}
else {
g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
}
i++;
}
g_print (" %s\n", GST_ELEMENT_NAME (element));
}
G_GNUC_UNUSED static void
query_positions (GstElement *element)
{
gint i = 0;
g_print ("positions %8.8s: ", GST_ELEMENT_NAME (element));
while (seek_formats[i].name) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_element_query (element, GST_PAD_QUERY_POSITION, &format, &value);
if (res) {
g_print ("%s %13lld | ", seek_formats[i].name, value);
if (seek_formats[i].format == GST_FORMAT_TIME)
position = value;
}
else {
g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
}
i++;
}
g_print (" %s\n", GST_ELEMENT_NAME (element));
}
static gboolean
update_scale (gpointer data)
{
GList *walk = seekable_elements;
GstClock *clock;
clock = gst_bin_get_clock (GST_BIN (pipeline));
g_print ("clock: %13llu (%s)\n", gst_clock_get_time (clock), gst_object_get_name (GST_OBJECT (clock)));
while (walk) {
GstElement *element = GST_ELEMENT (walk->data);
query_durations (element);
query_positions (element);
walk = g_list_next (walk);
}
query_rates ();
if (duration > 0) {
gtk_adjustment_set_value (adjustment, position * 100.0 / duration);
}
return TRUE;
}
static gboolean
iterate (gpointer data)
{