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tests/examples/seek/seek.c: Allow to toggle looping while it plays. Fix callback prototype. Clean up code a bit more....
Original commit message from CVS: * tests/examples/seek/seek.c: (set_scale), (update_scale), (do_seek), (stop_seek), (pause_cb), (stop_cb), (loop_toggle_cb), (rate_spinbutton_changed_cb), (msg_eos), (msg_segment_done), (main): Allow to toggle looping while it plays. Fix callback prototype. Clean up code a bit more. Add copyright header.
This commit is contained in:
Stefan Kost
parent
bc62bb15e5
commit
268dcb0ab1
2 changed files with 145 additions and 44 deletions
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@ -1,3 +1,12 @@
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2007-01-16 Stefan Kost <ensonic@users.sf.net>
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* tests/examples/seek/seek.c: (set_scale), (update_scale),
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(do_seek), (stop_seek), (pause_cb), (stop_cb), (loop_toggle_cb),
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(rate_spinbutton_changed_cb), (msg_eos), (msg_segment_done),
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(main):
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Allow to toggle looping while it plays. Fix callback prototype. Clean
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up code a bit more. Add copyright header.
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2007-01-16 Stefan Kost <ensonic@users.sf.net>
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* sys/xvimage/xvimagesink.c: (gst_xvimagesink_get_xv_support):
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@ -1,3 +1,29 @@
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/* GStreamer
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*
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* seek.c: seeking sample application
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*
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* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
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* 2006 Stefan Kost <ensonic@users.sf.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* FIXME: remove #if 0 code
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* FIXME: is the flush_seek part after sending the seek still needed?
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*
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*/
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#include <stdlib.h>
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#include <glib.h>
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#include <gtk/gtk.h>
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@ -20,15 +46,15 @@ static gboolean play_scrub = FALSE;
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static gdouble rate = 1.0;
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static GstElement *pipeline;
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static gint64 position;
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static gint64 duration;
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static gint64 position = -1;
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static gint64 duration = -1;
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static GtkAdjustment *adjustment;
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static GtkWidget *hscale;
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static gboolean stats = FALSE;
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static gboolean elem_seek = FALSE;
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static gboolean verbose = FALSE;
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static GstState state;
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static GstState state = GST_STATE_NULL;
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static guint update_id = 0;
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static guint seek_timeout_id = 0;
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static gulong changed_id;
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@ -958,16 +984,30 @@ query_positions_pads ()
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}
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}
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static gboolean start_seek (GtkWidget * widget, GdkEventButton * event,
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gpointer user_data);
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static gboolean stop_seek (GtkWidget * widget, GdkEventButton * event,
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gpointer user_data);
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static void
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set_scale (gdouble value)
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{
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g_signal_handlers_block_by_func (hscale, start_seek, pipeline);
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g_signal_handlers_block_by_func (hscale, stop_seek, pipeline);
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gtk_adjustment_set_value (adjustment, value);
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g_signal_handlers_unblock_by_func (hscale, start_seek, pipeline);
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g_signal_handlers_unblock_by_func (hscale, stop_seek, pipeline);
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gtk_widget_queue_draw (hscale);
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}
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static gboolean
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update_scale (gpointer data)
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{
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GstFormat format;
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GstFormat format = GST_FORMAT_TIME;
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position = 0;
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duration = 0;
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format = GST_FORMAT_TIME;
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if (elem_seek) {
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if (seekable_elements) {
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GstElement *element = GST_ELEMENT (seekable_elements->data);
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@ -996,8 +1036,7 @@ update_scale (gpointer data)
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duration = position;
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if (duration > 0) {
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gtk_adjustment_set_value (adjustment, position * 100.0 / duration);
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gtk_widget_queue_draw (hscale);
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set_scale (position * 100.0 / duration);
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}
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return TRUE;
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@ -1076,10 +1115,12 @@ do_seek (GtkWidget * widget)
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, real, GST_SEEK_TYPE_SET, -1);
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} else {
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s_event = gst_event_new_seek (rate,
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, real);
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
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GST_SEEK_TYPE_SET, real);
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}
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GST_DEBUG ("seek to %" GST_TIME_FORMAT, GST_TIME_ARGS (real));
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GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT,
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rate, GST_TIME_ARGS (real), GST_TIME_ARGS (duration));
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res = send_event (s_event);
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@ -1153,7 +1194,7 @@ start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
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}
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static gboolean
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stop_seek (GtkWidget * widget, gpointer user_data)
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stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
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{
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if (changed_id) {
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g_signal_handler_disconnect (GTK_OBJECT (hscale), changed_id);
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@ -1203,9 +1244,9 @@ failed:
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static void
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pause_cb (GtkButton * button, gpointer data)
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{
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GstStateChangeReturn ret;
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if (state != GST_STATE_PAUSED) {
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GstStateChangeReturn ret;
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g_print ("PAUSE pipeline\n");
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ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
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if (ret == GST_STATE_CHANGE_FAILURE)
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@ -1224,15 +1265,15 @@ failed:
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static void
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stop_cb (GtkButton * button, gpointer data)
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{
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GstStateChangeReturn ret;
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if (state != GST_STATE_READY) {
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GstStateChangeReturn ret;
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g_print ("READY pipeline\n");
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ret = gst_element_set_state (pipeline, GST_STATE_READY);
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if (ret == GST_STATE_CHANGE_FAILURE)
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goto failed;
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gtk_adjustment_set_value (adjustment, 0.0);
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set_scale (0.0);
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state = GST_STATE_READY;
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}
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@ -1260,6 +1301,9 @@ static void
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loop_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
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{
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loop_seek = gtk_toggle_button_get_active (button);
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if (state == GST_STATE_PLAYING) {
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do_seek (hscale);
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}
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}
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static void
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@ -1301,10 +1345,12 @@ rate_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline)
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GST_SEEK_TYPE_SET, -1);
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} else {
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s_event = gst_event_new_seek (rate,
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET,
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position);
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
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GST_SEEK_TYPE_SET, position);
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}
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GST_DEBUG ("rate changed to %lf", rate);
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res = send_event (s_event);
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if (res) {
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@ -1316,26 +1362,6 @@ rate_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline)
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g_print ("seek failed\n");
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}
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static void
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segment_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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{
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GstEvent *event;
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GstSeekFlags flags;
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gboolean res;
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flags = 0;
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if (loop_seek)
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flags |= GST_SEEK_FLAG_SEGMENT;
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event = gst_event_new_seek (rate,
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, -1);
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res = send_event (event);
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if (!res) {
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g_print ("segment seek failed\n");
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}
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}
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static void
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message_received (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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{
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@ -1356,6 +1382,23 @@ message_received (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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}
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}
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static void
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msg_eos (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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{
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GstStateChangeReturn ret;
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GST_DEBUG ("position is %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
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g_print ("READY pipeline\n");
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ret = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
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if (ret == GST_STATE_CHANGE_FAILURE)
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g_print ("READY failed\n");
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set_scale (0.0);
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state = GST_STATE_READY;
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}
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static void
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msg_state_changed (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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{
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@ -1378,6 +1421,51 @@ msg_state_changed (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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}
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}
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static void
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msg_segment_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
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{
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GstEvent *s_event;
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GstSeekFlags flags;
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gboolean res;
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GstFormat format;
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GST_DEBUG ("position is %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
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format = GST_FORMAT_TIME;
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gst_message_parse_segment_done (message, &format, &position);
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GST_DEBUG ("end of segment at %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
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set_update_scale (FALSE);
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flags = GST_SEEK_FLAG_SEGMENT;
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if (flush_seek)
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flags |= GST_SEEK_FLAG_FLUSH;
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if (rate >= 0) {
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s_event = gst_event_new_seek (rate,
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
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GST_SEEK_TYPE_SET, duration);
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} else {
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s_event = gst_event_new_seek (rate,
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GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, duration,
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GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0));
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}
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GST_DEBUG ("restart loop with rate %lf to 0 / %" GST_TIME_FORMAT,
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rate, GST_TIME_ARGS (duration));
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res = send_event (s_event);
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if (res) {
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if (flush_seek) {
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gst_pipeline_set_new_stream_time (GST_PIPELINE (pipeline), 0);
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gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL, SEEK_TIMEOUT);
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}
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} else
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g_print ("segment seek failed\n");
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position = 0;
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set_update_scale (TRUE);
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}
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typedef struct
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{
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gchar *name;
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@ -1509,7 +1597,6 @@ main (int argc, char **argv)
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NULL);
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gtk_tooltips_set_tip (tips, rate_spinbutton, "define the playback rate, "
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"negative value trigger reverse playback", NULL);
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/* FIXME: describe these */
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gtk_tooltips_set_tip (tips, scrub_checkbox, "show images while seeking",
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NULL);
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gtk_tooltips_set_tip (tips, play_scrub_checkbox, "play video while seeking",
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@ -1592,7 +1679,12 @@ main (int argc, char **argv)
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bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
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gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
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// g_signal_connect (bus, "message::state-changed", (GCallback) message_received, pipeline);
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g_signal_connect (bus, "message::eos", (GCallback) msg_eos, pipeline);
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g_signal_connect (bus, "message::state-changed",
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(GCallback) msg_state_changed, pipeline);
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g_signal_connect (bus, "message::segment-done",
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(GCallback) msg_segment_done, pipeline);
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g_signal_connect (bus, "message::new-clock", (GCallback) message_received,
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pipeline);
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g_signal_connect (bus, "message::error", (GCallback) message_received,
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@ -1607,10 +1699,10 @@ main (int argc, char **argv)
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pipeline);
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g_signal_connect (bus, "message::segment-done",
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(GCallback) message_received, pipeline);
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g_signal_connect (bus, "message::state-changed",
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(GCallback) msg_state_changed, pipeline);
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g_signal_connect (bus, "message::segment-done", (GCallback) segment_done,
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pipeline);
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/*g_signal_connect (bus, "message::state-changed",
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(GCallback) message_received, pipeline);
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*/
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}
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gtk_main ();
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