Added little test apps for cdplayer and cdparanoia

Original commit message from CVS:
Added little test apps for cdplayer and cdparanoia

diff --git a/examples/seeking/Makefile.am b/examples/seeking/Makefile.am
index b1dac9c..bb427f7 100644 (file)
--- a/examples/seeking/Makefile.am
+++ b/examples/seeking/Makefile.am
@@ -1,4 +1,4 @@
-examples = seek spider_seek
+examples = seek spider_seek cdplayer cdparanoia
 
 noinst_PROGRAMS = $(examples)
 

diff --git a/examples/seeking/cdparanoia.c b/examples/seeking/cdparanoia.c
new file mode 100644 (file)
index 0000000..b735b4a
--- /dev/null
+++ b/examples/seeking/cdparanoia.c
@@ -0,0 +1,168 @@
+#include <stdlib.h>
+#include <gst/gst.h>
+#include <string.h>
+
+static void
+get_track_info (GstElement *cdparanoia)
+{
+  GstFormat track_format;
+  gint64 total_tracks, total_time;
+  GstPad *pad;
+  const GstFormat *formats;
+  gint i;
+  gint64 time_count = 0;
+  
+  track_format = gst_format_get_by_nick ("track");
+  g_assert (track_format != 0);
+
+  pad = gst_element_get_pad (cdparanoia, "src");
+  formats = gst_pad_get_formats (pad);
+
+  /* we loop over all supported formats and report the total
+   * number of them */
+  while (*formats) {
+    const GstFormatDefinition *definition;
+    gint64 total;
+    gboolean res;
+    
+    definition = gst_format_get_details (*formats);
+
+    res = gst_pad_query (pad, GST_PAD_QUERY_TOTAL,
+                        (GstFormat *)formats, &total);
+    if (res) {
+      if (*formats == GST_FORMAT_TIME)
+        g_print ("%s total: %lld:%lld\n", definition->nick, total/60, total%60);
+      else
+        g_print ("%s total: %lld\n", definition->nick, total);
+
+      if (*formats == track_format)
+       total_tracks = total;
+      else if (*formats == GST_FORMAT_TIME)
+       total_time = total;
+    }
+    else
+      g_print ("failed to get %s total\n", definition->nick);
+
+    formats++;
+  }
+
+  /* then we loop over all the tracks to get more info.
+   * since pad_convert always works from 0, the time from track 1 needs
+   * to be substracted from track 2 */
+  for (i = 0; i <= total_tracks; i++) {
+    gint64 time;
+    gboolean res;
+
+    if (i < total_tracks) {
+      GstFormat format;
+
+      format = GST_FORMAT_TIME;
+      res = gst_pad_convert (pad, track_format, i,
+                            &format, &time);
+    }
+    else {
+      time = total_time;
+      res = TRUE;
+    }
+
+    if (res) {
+      /* for the first track (i==0) we wait until we have the 
+       * time of the next track */
+      if (i > 0) {
+       gint64 length = time - time_count;
+
+        g_print ("track %d: %lld:%02lld -> %lld:%02lld, length: %lld:%02lld\n", i-1, 
+                       time_count/60, time_count%60,
+                       time/60, time%60,
+                       length/60, length%60);
+      }
+    }
+    else {
+      g_print ("could not get time for track %d\n", i);
+    }
+
+    time_count = time;
+  }
+}
+
+int
+main (int argc, char **argv)
+{
+  GstElement *pipeline;
+  GstElement *cdparanoia;
+  GstElement *osssink;
+  GstPad *pad;
+  GstFormat track_format;
+  GstEvent *event;
+  gint count;
+  
+  gst_init (&argc, &argv);
+
+  pipeline = gst_pipeline_new ("pipeline");
+
+  cdparanoia = gst_element_factory_make ("cdparanoia", "cdparanoia");
+  g_assert (cdparanoia);
+  g_object_set (G_OBJECT (cdparanoia), "paranoia_mode", 0, NULL);
+
+  osssink = gst_element_factory_make ("osssink", "osssink");
+  g_assert (osssink);
+
+  gst_bin_add (GST_BIN (pipeline), cdparanoia);
+  gst_bin_add (GST_BIN (pipeline), osssink);
+
+  gst_element_connect_pads (cdparanoia, "src", osssink, "sink");
+
+  g_signal_connect (G_OBJECT (pipeline), "deep_notify", 
+                 G_CALLBACK (gst_element_default_deep_notify), NULL);
+  
+  gst_element_set_state (pipeline, GST_STATE_PAUSED);
+
+  /* now we go into probe mode */
+  get_track_info (cdparanoia);
+
+  track_format = gst_format_get_by_nick ("track");
+  g_assert (track_format != 0);
+
+  pad = gst_element_get_pad (cdparanoia, "src");
+  g_assert (pad);
+
+  g_print ("playing from track 3\n");
+  /* seek to track3 */
+  event = gst_event_new_seek (track_format |
+                             GST_SEEK_METHOD_SET |
+                             GST_SEEK_FLAG_FLUSH,
+                             3);
+
+  gst_pad_send_event (pad, event);
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  count = 0;
+  while (gst_bin_iterate (GST_BIN (pipeline))) {
+    if (count++ > 500)
+      break;
+  }
+  gst_element_set_state (pipeline, GST_STATE_PAUSED);
+
+  g_print ("playing track 3 only\n");
+  /* seek to track3 */
+  event = gst_event_new_segment_seek (track_format |
+                                     GST_SEEK_METHOD_SET |
+                                     GST_SEEK_FLAG_FLUSH,
+                                     3, 4);
+  gst_pad_send_event (pad, event);
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  count = 0;
+  while (gst_bin_iterate (GST_BIN (pipeline))) {
+    if (count++ > 500)
+      break;
+  }
+
+  /* shutdown everything again */
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  gst_buffer_print_stats();
+  gst_event_print_stats();
+
+  return 0;
+}

diff --git a/examples/seeking/cdplayer.c b/examples/seeking/cdplayer.c
new file mode 100644 (file)
index 0000000..a833c67
--- /dev/null
+++ b/examples/seeking/cdplayer.c
@@ -0,0 +1,310 @@
+#include <stdlib.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <gst/gst.h>
+#include <string.h>
+
+static GList *seekable_elements = NULL;
+
+static GstElement *pipeline;
+static GtkAdjustment *adjustment;
+static gboolean stats = FALSE;
+static guint64 duration;
+
+static guint update_id;
+
+//#define SOURCE "gnomevfssrc"
+#define SOURCE "filesrc"
+
+#define UPDATE_INTERVAL 500
+
+static GstElement*
+make_cdaudio_pipeline (gboolean thread) 
+{
+  GstElement *pipeline;
+  GstElement *cdaudio;
+  
+  if (thread) {
+    pipeline = gst_thread_new ("app");
+  }
+  else {
+    pipeline = gst_pipeline_new ("app");
+  }
+  
+  cdaudio = gst_element_factory_make ("cdaudio", "cdaudio");
+
+  gst_bin_add (GST_BIN (pipeline), cdaudio);
+
+  seekable_elements = g_list_prepend (seekable_elements, cdaudio);
+
+  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_durations ()
+{
+  GList *walk = seekable_elements;
+
+  while (walk) {
+    GstElement *element = GST_ELEMENT (walk->data);
+    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);
+      }
+      else {
+        g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
+      }
+      i++;
+    }
+    g_print (" %s\n", GST_ELEMENT_NAME (element));
+    walk = g_list_next (walk);
+  }
+}
+
+G_GNUC_UNUSED static void
+query_positions ()
+{
+  GList *walk = seekable_elements;
+
+  while (walk) {
+    GstElement *element = GST_ELEMENT (walk->data);
+    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);
+      }
+      else {
+        g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
+      }
+      i++;
+    }
+    g_print (" %s\n", GST_ELEMENT_NAME (element));
+    walk = g_list_next (walk);
+  }
+}
+
+static gboolean
+update_scale (gpointer data) 
+{
+  GstClock *clock;
+  guint64 position;
+  GstFormat format = GST_FORMAT_TIME;
+
+  duration = 0;
+  clock = gst_bin_get_clock (GST_BIN (pipeline));
+
+  if (seekable_elements) {
+    GstElement *element = GST_ELEMENT (seekable_elements->data);
+    gst_element_query (element, GST_PAD_QUERY_TOTAL, &format, &duration);
+  }
+  position = gst_clock_get_time (clock);
+
+  if (stats) {
+    g_print ("clock:                  %13llu  (%s)\n", position, gst_object_get_name (GST_OBJECT (clock)));
+    query_durations ();
+    query_positions ();
+  }
+  if (duration > 0) {
+    gtk_adjustment_set_value (adjustment, position * 100.0 / duration);
+  }
+
+  return TRUE;
+}
+
+static gboolean
+iterate (gpointer data)
+{
+  gboolean res = TRUE;
+
+  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);
+
+    walk = g_list_next (walk);
+  }
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+  if (!GST_FLAG_IS_SET (pipeline, GST_BIN_SELF_SCHEDULABLE))
+    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);
+    if (!GST_FLAG_IS_SET (pipeline, GST_BIN_SELF_SCHEDULABLE))
+      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;
+  gboolean threaded = FALSE;
+  struct poptOption options[] = {
+    {"threaded",  't',  POPT_ARG_NONE|POPT_ARGFLAG_STRIP,   &threaded,   0,
+         "Run the pipeline in a toplevel thread", NULL},
+    {"stats",  's',  POPT_ARG_NONE|POPT_ARGFLAG_STRIP,   &stats,   0,
+         "Show element stats", NULL},
+     POPT_TABLEEND
+    };
+
+  gst_init_with_popt_table (&argc, &argv, options);
+  gtk_init (&argc, &argv);
+
+  pipeline = make_cdaudio_pipeline (threaded);
+
+  /* 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 ();
+
+  gst_buffer_print_stats();
+  gst_event_print_stats();
+
+  return 0;
+}