blob: e497597a89f33724aec9709fd79c060e10063da9 [file] [log] [blame]
/* GStreamer
*
* playback-test.c: playback sample application
*
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
* 2006 Stefan Kost <ensonic@users.sf.net>
* 2012 Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <math.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <string.h>
#include <gdk/gdk.h>
#if defined (GDK_WINDOWING_X11)
#include <gdk/gdkx.h>
#elif defined (GDK_WINDOWING_WIN32)
#include <gdk/gdkwin32.h>
#elif defined (GDK_WINDOWING_QUARTZ)
#include <gdk/gdkquartz.h>
#endif
#include <gst/video/videooverlay.h>
#include <gst/video/colorbalance.h>
#include <gst/video/navigation.h>
GST_DEBUG_CATEGORY_STATIC (playback_debug);
#define GST_CAT_DEFAULT (playback_debug)
/* Copied from gst-plugins-base/gst/playback/gstplay-enum.h */
typedef enum
{
GST_PLAY_FLAG_VIDEO = (1 << 0),
GST_PLAY_FLAG_AUDIO = (1 << 1),
GST_PLAY_FLAG_TEXT = (1 << 2),
GST_PLAY_FLAG_VIS = (1 << 3),
GST_PLAY_FLAG_SOFT_VOLUME = (1 << 4),
GST_PLAY_FLAG_NATIVE_AUDIO = (1 << 5),
GST_PLAY_FLAG_NATIVE_VIDEO = (1 << 6),
GST_PLAY_FLAG_DOWNLOAD = (1 << 7),
GST_PLAY_FLAG_BUFFERING = (1 << 8),
GST_PLAY_FLAG_DEINTERLACE = (1 << 9),
GST_PLAY_FLAG_SOFT_COLORBALANCE = (1 << 10),
GST_PLAY_FLAG_FORCE_FILTERS = (1 << 11),
} GstPlayFlags;
/* configuration */
#define FILL_INTERVAL 100
//#define UPDATE_INTERVAL 500
//#define UPDATE_INTERVAL 100
#define UPDATE_INTERVAL 40
#define SLOW_UPDATE_INTERVAL 500
/* number of milliseconds to play for after a seek */
#define SCRUB_TIME 100
/* timeout for gst_element_get_state() after a seek */
#define SEEK_TIMEOUT 40 * GST_MSECOND
#define DEFAULT_VIDEO_HEIGHT 300
/* the state to go to when stop is pressed */
#define STOP_STATE GST_STATE_READY
#define N_GRAD 1000.0
/* we keep an array of the visualisation entries so that we can easily switch
* with the combo box index. */
typedef struct
{
GstElementFactory *factory;
} VisEntry;
typedef struct
{
/* GTK widgets */
GtkWidget *window;
GtkWidget *video_combo, *audio_combo, *text_combo, *vis_combo;
GtkWidget *video_window;
GtkWidget *vis_checkbox, *video_checkbox, *audio_checkbox;
GtkWidget *text_checkbox, *mute_checkbox, *volume_spinbutton;
GtkWidget *soft_volume_checkbox, *native_audio_checkbox,
*native_video_checkbox;
GtkWidget *download_checkbox, *buffering_checkbox, *deinterlace_checkbox;
GtkWidget *soft_colorbalance_checkbox;
GtkWidget *video_sink_entry, *audio_sink_entry, *text_sink_entry;
GtkWidget *buffer_size_entry, *buffer_duration_entry;
GtkWidget *ringbuffer_maxsize_entry, *connection_speed_entry;
GtkWidget *av_offset_entry, *subtitle_encoding_entry;
GtkWidget *subtitle_fontdesc_button;
GtkWidget *seek_format_combo, *seek_position_label, *seek_duration_label;
GtkWidget *seek_start_label, *seek_stop_label;
GtkWidget *seek_entry;
GtkWidget *seek_scale, *statusbar;
guint status_id;
GtkWidget *step_format_combo, *step_amount_spinbutton, *step_rate_spinbutton;
GtkWidget *shuttle_scale;
GtkWidget *contrast_scale, *brightness_scale, *hue_scale, *saturation_scale;
struct
{
GstNavigationCommand cmd;
GtkWidget *button;
} navigation_buttons[14];
guintptr embed_xid;
/* GStreamer pipeline */
GstElement *pipeline;
GstElement *navigation_element;
GstElement *colorbalance_element;
GstElement *overlay_element;
/* Settings */
gboolean accurate_seek;
gboolean keyframe_seek;
gboolean loop_seek;
gboolean flush_seek;
gboolean scrub;
gboolean play_scrub;
gboolean skip_seek;
gboolean skip_seek_key_only;
gboolean skip_seek_no_audio;
gdouble rate;
gboolean snap_before;
gboolean snap_after;
/* From commandline parameters */
gboolean stats;
gboolean verbose;
const gchar *pipeline_spec;
gint pipeline_type;
GList *paths, *current_path;
GList *sub_paths, *current_sub_path;
/* Internal state */
gint64 position, duration;
gboolean is_live;
gboolean buffering;
GstBufferingMode mode;
gint64 buffering_left;
GstState state;
guint update_id;
guint slow_update_id;
guint seek_timeout_id; /* Used for scrubbing in paused */
gulong changed_id;
guint fill_id;
gboolean need_streams;
gint n_video, n_audio, n_text;
GMutex state_mutex;
GArray *vis_entries; /* Array of VisEntry structs */
gboolean shuttling;
gdouble shuttle_rate;
gdouble play_rate;
const GstFormatDefinition *seek_format;
GList *formats;
} PlaybackApp;
static void clear_streams (PlaybackApp * app);
static void find_interface_elements (PlaybackApp * app);
static void volume_notify_cb (GstElement * pipeline, GParamSpec * arg,
PlaybackApp * app);
static void mute_notify_cb (GstElement * pipeline, GParamSpec * arg,
PlaybackApp * app);
static void video_sink_activate_cb (GtkEntry * entry, PlaybackApp * app);
static void text_sink_activate_cb (GtkEntry * entry, PlaybackApp * app);
static void audio_sink_activate_cb (GtkEntry * entry, PlaybackApp * app);
static void buffer_size_activate_cb (GtkEntry * entry, PlaybackApp * app);
static void buffer_duration_activate_cb (GtkEntry * entry, PlaybackApp * app);
static void ringbuffer_maxsize_activate_cb (GtkEntry * entry,
PlaybackApp * app);
static void connection_speed_activate_cb (GtkEntry * entry, PlaybackApp * app);
static void av_offset_activate_cb (GtkEntry * entry, PlaybackApp * app);
static void subtitle_encoding_activate_cb (GtkEntry * entry, PlaybackApp * app);
/* pipeline construction */
static GstElement *
gst_element_factory_make_or_warn (const gchar * type, const gchar * name)
{
GstElement *element = gst_element_factory_make (type, name);
#ifndef GST_DISABLE_PARSE
if (!element) {
/* Try parsing it as a pipeline description */
element = gst_parse_bin_from_description (type, TRUE, NULL);
if (element) {
gst_element_set_name (element, name);
}
}
#endif
if (!element) {
g_warning ("Failed to create element %s of type %s", name, type);
}
return element;
}
static void
set_uri_property (GObject * object, const gchar * property,
const gchar * location)
{
gchar *uri;
/* Add "file://" prefix for convenience */
if (location && (g_str_has_prefix (location, "/")
|| !gst_uri_is_valid (location))) {
uri = gst_filename_to_uri (location, NULL);
g_print ("Setting URI: %s\n", uri);
g_object_set (object, property, uri, NULL);
g_free (uri);
} else {
g_print ("Setting URI: %s\n", location);
g_object_set (object, property, location, NULL);
}
}
static void
playbin_set_uri (GstElement * playbin, const gchar * location,
const gchar * sub_location)
{
set_uri_property (G_OBJECT (playbin), "uri", location);
set_uri_property (G_OBJECT (playbin), "suburi", sub_location);
}
static void
make_playbin_pipeline (PlaybackApp * app, const gchar * location)
{
GstElement *pipeline;
app->pipeline = pipeline = gst_element_factory_make ("playbin", "playbin");
g_assert (pipeline);
playbin_set_uri (pipeline, location,
app->current_sub_path ? app->current_sub_path->data : NULL);
g_signal_connect (pipeline, "notify::volume", G_CALLBACK (volume_notify_cb),
app);
g_signal_connect (pipeline, "notify::mute", G_CALLBACK (mute_notify_cb), app);
app->navigation_element = GST_ELEMENT (gst_object_ref (pipeline));
app->colorbalance_element = GST_ELEMENT (gst_object_ref (pipeline));
}
#ifndef GST_DISABLE_PARSE
static void
make_parselaunch_pipeline (PlaybackApp * app, const gchar * description)
{
app->pipeline = gst_parse_launch (description, NULL);
}
#endif
typedef struct
{
const gchar *name;
void (*func) (PlaybackApp * app, const gchar * location);
const gchar *help;
}
Pipeline;
static const Pipeline pipelines[] = {
{"playbin", make_playbin_pipeline, "[URLS|FILENAMES]"},
#ifndef GST_DISABLE_PARSE
{"parse-launch", make_parselaunch_pipeline, "[PARSE-LAUNCH-LINE]"},
#endif
};
/* ui callbacks and helpers */
static gchar *
format_value (GtkScale * scale, gdouble value, PlaybackApp * app)
{
gint64 real;
gint64 seconds;
real = value * app->duration / N_GRAD;
seconds = (gint64) real / GST_SECOND;
/* Use two different formatting depending on the amount */
if (seconds < 60 * 60) {
gint64 subseconds = (gint64) real / (GST_MSECOND);
/* Sub hour positioning */
return g_strdup_printf ("%02" G_GINT64_FORMAT ":%02" G_GINT64_FORMAT ":%03"
G_GINT64_FORMAT, seconds / 60, seconds % 60, subseconds % 1000);
} else {
gint64 days = seconds / (24 * 60 * 60);
gint64 hours = (seconds / (60 * 60)) % 60;
gint64 minutes = (seconds / 60) % 60;
if (days) {
return g_strdup_printf ("%02" G_GINT64_FORMAT "d%02" G_GINT64_FORMAT
"h%02" G_GINT64_FORMAT "m", days, hours, minutes);
} else {
return g_strdup_printf ("%02" G_GINT64_FORMAT "h%02" G_GINT64_FORMAT
"m%02" G_GINT64_FORMAT "s", hours, minutes, seconds % 60);
}
}
}
static gchar *
shuttle_format_value (GtkScale * scale, gdouble value)
{
return g_strdup_printf ("%0.*g", gtk_scale_get_digits (scale), value);
}
typedef struct
{
const gchar *name;
const GstFormat format;
}
seek_format;
static seek_format seek_formats[] = {
{"tim", GST_FORMAT_TIME},
{"byt", GST_FORMAT_BYTES},
{"buf", GST_FORMAT_BUFFERS},
{"def", GST_FORMAT_DEFAULT},
{NULL, 0},
};
static void
query_positions (PlaybackApp * app)
{
gint i = 0;
g_print ("positions %8.8s: ", GST_ELEMENT_NAME (app->pipeline));
while (seek_formats[i].name) {
gint64 position, total;
GstFormat format;
format = seek_formats[i].format;
if (gst_element_query_position (app->pipeline, format, &position) &&
gst_element_query_duration (app->pipeline, format, &total)) {
g_print ("%s %13" G_GINT64_FORMAT " / %13" G_GINT64_FORMAT " | ",
seek_formats[i].name, position, total);
} else {
g_print ("%s %13.13s / %13.13s | ", seek_formats[i].name, "*NA*", "*NA*");
}
i++;
}
g_print (" %s\n", GST_ELEMENT_NAME (app->pipeline));
}
static gboolean start_seek (GtkRange * range, GdkEventButton * event,
PlaybackApp * app);
static gboolean stop_seek (GtkRange * range, GdkEventButton * event,
PlaybackApp * app);
static void seek_cb (GtkRange * range, PlaybackApp * app);
static void
set_scale (PlaybackApp * app, gdouble value)
{
g_signal_handlers_block_by_func (app->seek_scale, start_seek, app);
g_signal_handlers_block_by_func (app->seek_scale, stop_seek, app);
g_signal_handlers_block_by_func (app->seek_scale, seek_cb, app);
gtk_range_set_value (GTK_RANGE (app->seek_scale), value);
g_signal_handlers_unblock_by_func (app->seek_scale, start_seek, app);
g_signal_handlers_unblock_by_func (app->seek_scale, stop_seek, app);
g_signal_handlers_unblock_by_func (app->seek_scale, seek_cb, app);
gtk_widget_queue_draw (app->seek_scale);
}
static gboolean
update_fill (PlaybackApp * app)
{
GstQuery *query;
query = gst_query_new_buffering (GST_FORMAT_PERCENT);
if (gst_element_query (app->pipeline, query)) {
gint64 start, stop, estimated_total;
GstFormat format;
gdouble fill;
gboolean busy;
gint percent;
GstBufferingMode mode;
gint avg_in, avg_out;
gint64 buffering_left;
gst_query_parse_buffering_percent (query, &busy, &percent);
gst_query_parse_buffering_stats (query, &mode, &avg_in, &avg_out,
&buffering_left);
gst_query_parse_buffering_range (query, &format, &start, &stop,
&estimated_total);
/* note that we could start the playback when buffering_left < remaining
* playback time */
GST_DEBUG ("buffering total %" G_GINT64_FORMAT " ms, left %"
G_GINT64_FORMAT " ms", estimated_total, buffering_left);
GST_DEBUG ("start %" G_GINT64_FORMAT ", stop %" G_GINT64_FORMAT,
start, stop);
if (stop != -1)
fill = N_GRAD * stop / GST_FORMAT_PERCENT_MAX;
else
fill = N_GRAD;
gtk_range_set_fill_level (GTK_RANGE (app->seek_scale), fill);
}
gst_query_unref (query);
return TRUE;
}
static gboolean
update_seek_range (PlaybackApp * app)
{
GstFormat format = GST_FORMAT_TIME;
gint64 seek_start, seek_stop;
gboolean seekable;
GstQuery *query;
query = gst_query_new_seeking (format);
if (gst_element_query (app->pipeline, query)) {
gchar *str;
gst_query_parse_seeking (query, &format, &seekable, &seek_start,
&seek_stop);
if (!seekable) {
seek_start = seek_stop = -1;
}
str = g_strdup_printf ("%" G_GINT64_FORMAT, seek_start);
gtk_label_set_text (GTK_LABEL (app->seek_start_label), str);
g_free (str);
str = g_strdup_printf ("%" G_GINT64_FORMAT, seek_stop);
gtk_label_set_text (GTK_LABEL (app->seek_stop_label), str);
g_free (str);
}
gst_query_unref (query);
return TRUE;
}
static gboolean
update_scale (PlaybackApp * app)
{
GstFormat format = GST_FORMAT_TIME;
gint64 seek_pos, seek_dur;
gchar *str;
//position = 0;
//duration = 0;
gst_element_query_position (app->pipeline, format, &app->position);
gst_element_query_duration (app->pipeline, format, &app->duration);
if (app->stats)
query_positions (app);
if (app->position >= app->duration)
app->duration = app->position;
if (app->duration > 0) {
set_scale (app, app->position * N_GRAD / app->duration);
}
if (app->seek_format) {
format = app->seek_format->value;
seek_pos = seek_dur = -1;
gst_element_query_position (app->pipeline, format, &seek_pos);
gst_element_query_duration (app->pipeline, format, &seek_dur);
str = g_strdup_printf ("%" G_GINT64_FORMAT, seek_pos);
gtk_label_set_text (GTK_LABEL (app->seek_position_label), str);
g_free (str);
str = g_strdup_printf ("%" G_GINT64_FORMAT, seek_dur);
gtk_label_set_text (GTK_LABEL (app->seek_duration_label), str);
g_free (str);
}
return TRUE;
}
static void set_update_scale (PlaybackApp * app, gboolean active);
static void set_update_fill (PlaybackApp * app, gboolean active);
static gboolean
end_scrub (PlaybackApp * app)
{
GST_DEBUG ("end scrub, PAUSE");
gst_element_set_state (app->pipeline, GST_STATE_PAUSED);
app->seek_timeout_id = 0;
return FALSE;
}
static gboolean
send_event (PlaybackApp * app, GstEvent * event)
{
gboolean res = FALSE;
GST_DEBUG ("send event on element %s", GST_ELEMENT_NAME (app->pipeline));
res = gst_element_send_event (app->pipeline, event);
return res;
}
static void
do_seek (PlaybackApp * app, GstFormat format, gint64 position)
{
gboolean res = FALSE;
GstEvent *s_event;
GstSeekFlags flags;
flags = 0;
if (app->flush_seek)
flags |= GST_SEEK_FLAG_FLUSH;
if (app->accurate_seek)
flags |= GST_SEEK_FLAG_ACCURATE;
if (app->keyframe_seek)
flags |= GST_SEEK_FLAG_KEY_UNIT;
if (app->loop_seek)
flags |= GST_SEEK_FLAG_SEGMENT;
if (app->skip_seek)
flags |= GST_SEEK_FLAG_TRICKMODE;
if (app->skip_seek_key_only)
flags |= GST_SEEK_FLAG_TRICKMODE_KEY_UNITS;
if (app->skip_seek_no_audio)
flags |= GST_SEEK_FLAG_TRICKMODE_NO_AUDIO;
if (app->snap_before)
flags |= GST_SEEK_FLAG_SNAP_BEFORE;
if (app->snap_after)
flags |= GST_SEEK_FLAG_SNAP_AFTER;
if (app->rate >= 0) {
s_event = gst_event_new_seek (app->rate,
format, flags, GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_SET,
GST_CLOCK_TIME_NONE);
GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT,
app->rate, GST_TIME_ARGS (position), GST_TIME_ARGS (app->duration));
} else {
s_event = gst_event_new_seek (app->rate,
format, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, position);
GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT,
app->rate, GST_TIME_ARGS (0), GST_TIME_ARGS (position));
}
res = send_event (app, s_event);
if (res) {
if (app->flush_seek) {
gst_element_get_state (GST_ELEMENT (app->pipeline), NULL, NULL,
SEEK_TIMEOUT);
} else {
set_update_scale (app, TRUE);
}
} else {
g_print ("seek failed\n");
set_update_scale (app, TRUE);
}
}
static void
seek_cb (GtkRange * range, PlaybackApp * app)
{
gint64 real;
real =
gtk_range_get_value (GTK_RANGE (app->seek_scale)) * app->duration /
N_GRAD;
GST_DEBUG ("value=%f, real=%" G_GINT64_FORMAT,
gtk_range_get_value (GTK_RANGE (app->seek_scale)), real);
GST_DEBUG ("do seek");
do_seek (app, GST_FORMAT_TIME, real);
if (app->play_scrub) {
if (app->buffering) {
GST_DEBUG ("do scrub seek, waiting for buffering");
} else {
GST_DEBUG ("do scrub seek, PLAYING");
gst_element_set_state (app->pipeline, GST_STATE_PLAYING);
}
if (app->seek_timeout_id == 0) {
app->seek_timeout_id =
g_timeout_add (SCRUB_TIME, (GSourceFunc) end_scrub, app);
}
}
}
static void
advanced_seek_button_cb (GtkButton * button, PlaybackApp * app)
{
GstFormat fmt;
gint64 pos;
const gchar *text;
gchar *endptr;
fmt = app->seek_format->value;
text = gtk_entry_get_text (GTK_ENTRY (app->seek_entry));
pos = g_ascii_strtoll (text, &endptr, 10);
if (endptr != text && pos != G_MAXINT64 && pos != G_MININT64) {
do_seek (app, fmt, pos);
}
}
static void
set_update_fill (PlaybackApp * app, gboolean active)
{
GST_DEBUG ("fill scale is %d", active);
if (active) {
if (app->fill_id == 0) {
app->fill_id =
g_timeout_add (FILL_INTERVAL, (GSourceFunc) update_fill, app);
}
} else {
if (app->fill_id) {
g_source_remove (app->fill_id);
app->fill_id = 0;
}
}
}
static void
set_update_scale (PlaybackApp * app, gboolean active)
{
GST_DEBUG ("update scale is %d", active);
if (active) {
if (app->update_id == 0) {
app->update_id =
g_timeout_add (UPDATE_INTERVAL, (GSourceFunc) update_scale, app);
}
if (app->slow_update_id == 0) {
app->slow_update_id =
g_timeout_add (SLOW_UPDATE_INTERVAL, (GSourceFunc) update_seek_range,
app);
}
} else {
if (app->update_id) {
g_source_remove (app->update_id);
app->update_id = 0;
}
if (app->slow_update_id) {
g_source_remove (app->slow_update_id);
app->slow_update_id = 0;
}
}
}
static gboolean
start_seek (GtkRange * range, GdkEventButton * event, PlaybackApp * app)
{
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
set_update_scale (app, FALSE);
if (app->state == GST_STATE_PLAYING && app->flush_seek && app->scrub) {
GST_DEBUG ("start scrub seek, PAUSE");
gst_element_set_state (app->pipeline, GST_STATE_PAUSED);
}
if (app->changed_id == 0 && app->flush_seek && app->scrub) {
app->changed_id =
g_signal_connect (app->seek_scale, "value-changed",
G_CALLBACK (seek_cb), app);
}
return FALSE;
}
static gboolean
stop_seek (GtkRange * range, GdkEventButton * event, PlaybackApp * app)
{
if (app->changed_id) {
g_signal_handler_disconnect (app->seek_scale, app->changed_id);
app->changed_id = 0;
}
if (!app->flush_seek || !app->scrub) {
gint64 real;
GST_DEBUG ("do final seek");
real =
gtk_range_get_value (GTK_RANGE (app->seek_scale)) * app->duration /
N_GRAD;
do_seek (app, GST_FORMAT_TIME, real);
}
if (app->seek_timeout_id != 0) {
g_source_remove (app->seek_timeout_id);
app->seek_timeout_id = 0;
/* Still scrubbing, so the pipeline is playing, see if we need PAUSED
* instead. */
if (app->state == GST_STATE_PAUSED) {
GST_DEBUG ("stop scrub seek, PAUSED");
gst_element_set_state (app->pipeline, GST_STATE_PAUSED);
}
} else {
if (app->state == GST_STATE_PLAYING) {
if (app->buffering) {
GST_DEBUG ("stop scrub seek, waiting for buffering");
} else {
GST_DEBUG ("stop scrub seek, PLAYING");
gst_element_set_state (app->pipeline, GST_STATE_PLAYING);
}
}
}
return FALSE;
}
static void
play_cb (GtkButton * button, PlaybackApp * app)
{
GstStateChangeReturn ret;
if (app->state != GST_STATE_PLAYING) {
g_print ("PLAY pipeline\n");
gtk_statusbar_pop (GTK_STATUSBAR (app->statusbar), app->status_id);
if (app->pipeline_type == 0) {
video_sink_activate_cb (GTK_ENTRY (app->video_sink_entry), app);
audio_sink_activate_cb (GTK_ENTRY (app->audio_sink_entry), app);
text_sink_activate_cb (GTK_ENTRY (app->text_sink_entry), app);
buffer_size_activate_cb (GTK_ENTRY (app->buffer_size_entry), app);
buffer_duration_activate_cb (GTK_ENTRY (app->buffer_duration_entry), app);
ringbuffer_maxsize_activate_cb (GTK_ENTRY (app->ringbuffer_maxsize_entry),
app);
connection_speed_activate_cb (GTK_ENTRY (app->connection_speed_entry),
app);
av_offset_activate_cb (GTK_ENTRY (app->av_offset_entry), app);
subtitle_encoding_activate_cb (GTK_ENTRY (app->subtitle_encoding_entry),
app);
}
ret = gst_element_set_state (app->pipeline, GST_STATE_PLAYING);
switch (ret) {
case GST_STATE_CHANGE_FAILURE:
goto failed;
case GST_STATE_CHANGE_NO_PREROLL:
app->is_live = TRUE;
break;
default:
break;
}
app->state = GST_STATE_PLAYING;
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Playing");
}
return;
failed:
{
g_print ("PLAY failed\n");
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Play failed");
}
}
static void
pause_cb (GtkButton * button, PlaybackApp * app)
{
g_mutex_lock (&app->state_mutex);
if (app->state != GST_STATE_PAUSED) {
GstStateChangeReturn ret;
gtk_statusbar_pop (GTK_STATUSBAR (app->statusbar), app->status_id);
g_print ("PAUSE pipeline\n");
ret = gst_element_set_state (app->pipeline, GST_STATE_PAUSED);
switch (ret) {
case GST_STATE_CHANGE_FAILURE:
goto failed;
case GST_STATE_CHANGE_NO_PREROLL:
app->is_live = TRUE;
break;
default:
break;
}
app->state = GST_STATE_PAUSED;
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Paused");
}
g_mutex_unlock (&app->state_mutex);
return;
failed:
{
g_mutex_unlock (&app->state_mutex);
g_print ("PAUSE failed\n");
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Pause failed");
}
}
static void
stop_cb (GtkButton * button, PlaybackApp * app)
{
if (app->state != STOP_STATE) {
GstStateChangeReturn ret;
gint i;
g_print ("READY pipeline\n");
gtk_statusbar_pop (GTK_STATUSBAR (app->statusbar), app->status_id);
g_mutex_lock (&app->state_mutex);
ret = gst_element_set_state (app->pipeline, STOP_STATE);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
app->state = STOP_STATE;
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Stopped");
gtk_widget_queue_draw (app->video_window);
app->is_live = FALSE;
app->buffering = FALSE;
set_update_scale (app, FALSE);
set_scale (app, 0.0);
set_update_fill (app, FALSE);
if (app->pipeline_type == 0)
clear_streams (app);
g_mutex_unlock (&app->state_mutex);
gtk_widget_set_sensitive (GTK_WIDGET (app->seek_scale), TRUE);
for (i = 0; i < G_N_ELEMENTS (app->navigation_buttons); i++)
gtk_widget_set_sensitive (app->navigation_buttons[i].button, FALSE);
}
return;
failed:
{
g_mutex_unlock (&app->state_mutex);
g_print ("STOP failed\n");
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Stop failed");
}
}
static void
snap_before_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->snap_before = gtk_toggle_button_get_active (button);
}
static void
snap_after_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->snap_after = gtk_toggle_button_get_active (button);
}
static void
accurate_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->accurate_seek = gtk_toggle_button_get_active (button);
}
static void
key_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->keyframe_seek = gtk_toggle_button_get_active (button);
}
static void
loop_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->loop_seek = gtk_toggle_button_get_active (button);
if (app->state == GST_STATE_PLAYING) {
gint64 real;
real =
gtk_range_get_value (GTK_RANGE (app->seek_scale)) * app->duration /
N_GRAD;
do_seek (app, GST_FORMAT_TIME, real);
}
}
static void
flush_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->flush_seek = gtk_toggle_button_get_active (button);
}
static void
scrub_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->scrub = gtk_toggle_button_get_active (button);
}
static void
play_scrub_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
app->play_scrub = gtk_toggle_button_get_active (button);
}
static void
skip_toggle_common (gboolean * v, GtkToggleButton * button, PlaybackApp * app)
{
*v = gtk_toggle_button_get_active (button);
if (app->state == GST_STATE_PLAYING) {
gint64 real;
real =
gtk_range_get_value (GTK_RANGE (app->seek_scale)) * app->duration /
N_GRAD;
do_seek (app, GST_FORMAT_TIME, real);
}
}
static void
skip_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
skip_toggle_common (&app->skip_seek, button, app);
}
static void
skip_key_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
skip_toggle_common (&app->skip_seek_key_only, button, app);
}
static void
skip_audio_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
skip_toggle_common (&app->skip_seek_no_audio, button, app);
}
static void
rate_spinbutton_changed_cb (GtkSpinButton * button, PlaybackApp * app)
{
gboolean res = FALSE;
GstEvent *s_event;
GstSeekFlags flags;
app->rate = gtk_spin_button_get_value (button);
GST_DEBUG ("rate changed to %lf", app->rate);
flags = 0;
if (app->flush_seek)
flags |= GST_SEEK_FLAG_FLUSH;
if (app->loop_seek)
flags |= GST_SEEK_FLAG_SEGMENT;
if (app->accurate_seek)
flags |= GST_SEEK_FLAG_ACCURATE;
if (app->keyframe_seek)
flags |= GST_SEEK_FLAG_KEY_UNIT;
if (app->skip_seek)
flags |= GST_SEEK_FLAG_TRICKMODE;
if (app->skip_seek_key_only)
flags |= GST_SEEK_FLAG_TRICKMODE_KEY_UNITS;
if (app->skip_seek_no_audio)
flags |= GST_SEEK_FLAG_TRICKMODE_NO_AUDIO;
if (app->rate >= 0.0) {
s_event = gst_event_new_seek (app->rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, app->position,
GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
} else {
s_event = gst_event_new_seek (app->rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, app->position);
}
res = send_event (app, s_event);
if (res) {
if (app->flush_seek) {
gst_element_get_state (GST_ELEMENT (app->pipeline), NULL, NULL,
SEEK_TIMEOUT);
}
} else
g_print ("seek failed\n");
}
static void
update_flag (GstElement * pipeline, GstPlayFlags flag, gboolean state)
{
gint flags;
g_print ("%ssetting flag 0x%08x\n", (state ? "" : "un"), flag);
g_object_get (pipeline, "flags", &flags, NULL);
if (state)
flags |= flag;
else
flags &= ~(flag);
g_object_set (pipeline, "flags", flags, NULL);
}
static void
vis_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_VIS, state);
gtk_widget_set_sensitive (app->vis_combo, state);
}
static void
audio_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_AUDIO, state);
gtk_widget_set_sensitive (app->audio_combo, state);
}
static void
video_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_VIDEO, state);
gtk_widget_set_sensitive (app->video_combo, state);
}
static void
text_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_TEXT, state);
gtk_widget_set_sensitive (app->text_combo, state);
}
static void
mute_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean mute;
mute = gtk_toggle_button_get_active (button);
g_object_set (app->pipeline, "mute", mute, NULL);
}
static void
download_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_DOWNLOAD, state);
}
static void
buffering_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_BUFFERING, state);
}
static void
soft_volume_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_SOFT_VOLUME, state);
}
static void
native_audio_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_NATIVE_AUDIO, state);
}
static void
native_video_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_NATIVE_VIDEO, state);
}
static void
deinterlace_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_DEINTERLACE, state);
}
static void
soft_colorbalance_toggle_cb (GtkToggleButton * button, PlaybackApp * app)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (app->pipeline, GST_PLAY_FLAG_SOFT_COLORBALANCE, state);
}
static void
clear_streams (PlaybackApp * app)
{
gint i;
/* remove previous info */
for (i = 0; i < app->n_video; i++)
gtk_combo_box_text_remove (GTK_COMBO_BOX_TEXT (app->video_combo), 0);
for (i = 0; i < app->n_audio; i++)
gtk_combo_box_text_remove (GTK_COMBO_BOX_TEXT (app->audio_combo), 0);
for (i = 0; i < app->n_text; i++)
gtk_combo_box_text_remove (GTK_COMBO_BOX_TEXT (app->text_combo), 0);
app->n_audio = app->n_video = app->n_text = 0;
gtk_widget_set_sensitive (app->video_combo, FALSE);
gtk_widget_set_sensitive (app->audio_combo, FALSE);
gtk_widget_set_sensitive (app->text_combo, FALSE);
app->need_streams = TRUE;
}
static void
update_streams (PlaybackApp * app)
{
gint i;
if (app->pipeline_type == 0 && app->need_streams) {
GstTagList *tags;
gchar *name, *str;
gint active_idx;
gboolean state;
/* remove previous info */
clear_streams (app);
/* here we get and update the different streams detected by playbin */
g_object_get (app->pipeline, "n-video", &app->n_video, NULL);
g_object_get (app->pipeline, "n-audio", &app->n_audio, NULL);
g_object_get (app->pipeline, "n-text", &app->n_text, NULL);
g_print ("video %d, audio %d, text %d\n", app->n_video, app->n_audio,
app->n_text);
active_idx = 0;
for (i = 0; i < app->n_video; i++) {
g_signal_emit_by_name (app->pipeline, "get-video-tags", i, &tags);
if (tags) {
str = gst_tag_list_to_string (tags);
g_print ("video %d: %s\n", i, str);
g_free (str);
gst_tag_list_unref (tags);
}
/* find good name for the label */
name = g_strdup_printf ("video %d", i + 1);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (app->video_combo),
name);
g_free (name);
}
state =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (app->video_checkbox));
gtk_widget_set_sensitive (app->video_combo, state && app->n_video > 0);
gtk_combo_box_set_active (GTK_COMBO_BOX (app->video_combo), active_idx);
active_idx = 0;
for (i = 0; i < app->n_audio; i++) {
g_signal_emit_by_name (app->pipeline, "get-audio-tags", i, &tags);
if (tags) {
str = gst_tag_list_to_string (tags);
g_print ("audio %d: %s\n", i, str);
g_free (str);
gst_tag_list_unref (tags);
}
/* find good name for the label */
name = g_strdup_printf ("audio %d", i + 1);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (app->audio_combo),
name);
g_free (name);
}
state =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (app->audio_checkbox));
gtk_widget_set_sensitive (app->audio_combo, state && app->n_audio > 0);
gtk_combo_box_set_active (GTK_COMBO_BOX (app->audio_combo), active_idx);
active_idx = 0;
for (i = 0; i < app->n_text; i++) {
g_signal_emit_by_name (app->pipeline, "get-text-tags", i, &tags);
name = NULL;
if (tags) {
const GValue *value;
str = gst_tag_list_to_string (tags);
g_print ("text %d: %s\n", i, str);
g_free (str);
/* get the language code if we can */
value = gst_tag_list_get_value_index (tags, GST_TAG_LANGUAGE_CODE, 0);
if (value && G_VALUE_HOLDS_STRING (value)) {
name = g_strdup_printf ("text %s", g_value_get_string (value));
}
gst_tag_list_unref (tags);
}
/* find good name for the label if we didn't use a tag */
if (name == NULL)
name = g_strdup_printf ("text %d", i + 1);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (app->text_combo),
name);
g_free (name);
}
state =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (app->text_checkbox));
gtk_widget_set_sensitive (app->text_combo, state && app->n_text > 0);
gtk_combo_box_set_active (GTK_COMBO_BOX (app->text_combo), active_idx);
app->need_streams = FALSE;
}
}
static void
video_combo_cb (GtkComboBox * combo, PlaybackApp * app)
{
gint active;
active = gtk_combo_box_get_active (combo);
g_print ("setting current video track %d\n", active);
g_object_set (app->pipeline, "current-video", active, NULL);
}
static void
audio_combo_cb (GtkComboBox * combo, PlaybackApp * app)
{
gint active;
active = gtk_combo_box_get_active (combo);
g_print ("setting current audio track %d\n", active);
g_object_set (app->pipeline, "current-audio", active, NULL);
}
static void
text_combo_cb (GtkComboBox * combo, PlaybackApp * app)
{
gint active;
active = gtk_combo_box_get_active (combo);
g_print ("setting current text track %d\n", active);
g_object_set (app->pipeline, "current-text", active, NULL);
}
static gboolean
filter_vis_features (GstPluginFeature * feature, gpointer data)
{
GstElementFactory *f;
const gchar *klass;
if (!GST_IS_ELEMENT_FACTORY (feature))
return FALSE;
f = GST_ELEMENT_FACTORY (feature);
klass = gst_element_factory_get_metadata (f, GST_ELEMENT_METADATA_KLASS);
if (!g_strrstr (klass, "Visualization"))
return FALSE;
return TRUE;
}
static void
init_visualization_features (PlaybackApp * app)
{
GList *list, *walk;
app->vis_entries = g_array_new (FALSE, FALSE, sizeof (VisEntry));
list = gst_registry_feature_filter (gst_registry_get (),
filter_vis_features, FALSE, NULL);
for (walk = list; walk; walk = g_list_next (walk)) {
VisEntry entry;
const gchar *name;
entry.factory = GST_ELEMENT_FACTORY (walk->data);
name = gst_element_factory_get_metadata (entry.factory,
GST_ELEMENT_METADATA_LONGNAME);
g_array_append_val (app->vis_entries, entry);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (app->vis_combo), name);
}
gtk_combo_box_set_active (GTK_COMBO_BOX (app->vis_combo), 0);
gst_plugin_feature_list_free (list);
}
static void
vis_combo_cb (GtkComboBox * combo, PlaybackApp * app)
{
guint index;
VisEntry *entry;
GstElement *element;
/* get the selected index and get the factory for this index */
index = gtk_combo_box_get_active (GTK_COMBO_BOX (app->vis_combo));
if (app->vis_entries->len > 0) {
entry = &g_array_index (app->vis_entries, VisEntry, index);
/* create an instance of the element from the factory */
element = gst_element_factory_create (entry->factory, NULL);
if (!element)
return;
/* set vis plugin for playbin */
g_object_set (app->pipeline, "vis-plugin", element, NULL);
}
}
static void
volume_spinbutton_changed_cb (GtkSpinButton * button, PlaybackApp * app)
{
gdouble volume;
volume = gtk_spin_button_get_value (button);
g_object_set (app->pipeline, "volume", volume, NULL);
}
static gboolean
volume_notify_idle_cb (PlaybackApp * app)
{
gdouble cur_volume, new_volume;
g_object_get (app->pipeline, "volume", &new_volume, NULL);
cur_volume =
gtk_spin_button_get_value (GTK_SPIN_BUTTON (app->volume_spinbutton));
if (fabs (cur_volume - new_volume) > 0.001) {
g_signal_handlers_block_by_func (app->volume_spinbutton,
volume_spinbutton_changed_cb, app);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (app->volume_spinbutton),
new_volume);
g_signal_handlers_unblock_by_func (app->volume_spinbutton,
volume_spinbutton_changed_cb, app);
}
return FALSE;
}
static void
volume_notify_cb (GstElement * pipeline, GParamSpec * arg, PlaybackApp * app)
{
/* Do this from the main thread */
g_idle_add ((GSourceFunc) volume_notify_idle_cb, app);
}
static gboolean
mute_notify_idle_cb (PlaybackApp * app)
{
gboolean cur_mute, new_mute;
g_object_get (app->pipeline, "mute", &new_mute, NULL);
cur_mute =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (app->mute_checkbox));
if (cur_mute != new_mute) {
g_signal_handlers_block_by_func (app->mute_checkbox, mute_toggle_cb, app);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (app->mute_checkbox),
new_mute);
g_signal_handlers_unblock_by_func (app->mute_checkbox, mute_toggle_cb, app);
}
return FALSE;
}
static void
mute_notify_cb (GstElement * pipeline, GParamSpec * arg, PlaybackApp * app)
{
/* Do this from the main thread */
g_idle_add ((GSourceFunc) mute_notify_idle_cb, app);
}
static void
shot_cb (GtkButton * button, PlaybackApp * app)
{
GstSample *sample = NULL;
GstCaps *caps;
GST_DEBUG ("taking snapshot");
/* convert to our desired format (RGB24) */
caps = gst_caps_new_simple ("video/x-raw", "format", G_TYPE_STRING, "RGB",
/* Note: we don't ask for a specific width/height here, so that
* videoscale can adjust dimensions from a non-1/1 pixel aspect
* ratio to a 1/1 pixel-aspect-ratio */
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, NULL);
/* convert the latest sample to the requested format */
g_signal_emit_by_name (app->pipeline, "convert-sample", caps, &sample);
gst_caps_unref (caps);
if (sample) {
GstBuffer *buffer;
GstCaps *caps;
GstStructure *s;
gboolean res;
gint width, height;
GdkPixbuf *pixbuf;
GError *error = NULL;
GstMapInfo map;
/* get the snapshot buffer format now. We set the caps on the appsink so
* that it can only be an rgb buffer. The only thing we have not specified
* on the caps is the height, which is dependant on the pixel-aspect-ratio
* of the source material */
caps = gst_sample_get_caps (sample);
if (!caps) {
g_warning ("could not get snapshot format\n");
goto done;
}
s = gst_caps_get_structure (caps, 0);
/* we need to get the final caps on the buffer to get the size */
res = gst_structure_get_int (s, "width", &width);
res |= gst_structure_get_int (s, "height", &height);
if (!res) {
g_warning ("could not get snapshot dimension\n");
goto done;
}
/* create pixmap from buffer and save, gstreamer video buffers have a stride
* that is rounded up to the nearest multiple of 4 */
buffer = gst_sample_get_buffer (sample);
gst_buffer_map (buffer, &map, GST_MAP_READ);
pixbuf = gdk_pixbuf_new_from_data (map.data,
GDK_COLORSPACE_RGB, FALSE, 8, width, height,
GST_ROUND_UP_4 (width * 3), NULL, NULL);
/* save the pixbuf */
gdk_pixbuf_save (pixbuf, "snapshot.png", "png", &error, NULL);
gst_buffer_unmap (buffer, &map);
g_clear_error (&error);
done:
gst_sample_unref (sample);
}
}
/* called when the Step button is pressed */
static void
step_cb (GtkButton * button, PlaybackApp * app)
{
GstEvent *event;
GstFormat format;
guint64 amount;
gdouble rate;
gboolean flush, res;
gint active;
active = gtk_combo_box_get_active (GTK_COMBO_BOX (app->step_format_combo));
amount =
gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
(app->step_amount_spinbutton));
rate =
gtk_spin_button_get_value (GTK_SPIN_BUTTON (app->step_rate_spinbutton));
flush = TRUE;
switch (active) {
case 0:
format = GST_FORMAT_BUFFERS;
break;
case 1:
format = GST_FORMAT_TIME;
amount *= GST_MSECOND;
break;
default:
format = GST_FORMAT_UNDEFINED;
break;
}
event = gst_event_new_step (format, amount, rate, flush, FALSE);
res = send_event (app, event);
if (!res) {
g_print ("Sending step event failed\n");
}
}
static void
message_received (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
const GstStructure *s;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (app->pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "seek.error");
break;
case GST_MESSAGE_WARNING:
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (app->pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "seek.warning");
break;
default:
break;
}
s = gst_message_get_structure (message);
g_print ("message from \"%s\" (%s): ",
GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))),
gst_message_type_get_name (GST_MESSAGE_TYPE (message)));
if (s) {
gchar *sstr;
sstr = gst_structure_to_string (s);
g_print ("%s\n", sstr);
g_free (sstr);
} else {
g_print ("no message details\n");
}
}
static void
do_shuttle (PlaybackApp * app)
{
guint64 duration;
if (app->shuttling)
duration = 40 * GST_MSECOND;
else
duration = 0;
gst_element_send_event (app->pipeline,
gst_event_new_step (GST_FORMAT_TIME, duration, app->shuttle_rate, FALSE,
FALSE));
}
static void
msg_sync_step_done (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
GstFormat format;
guint64 amount;
gdouble rate;
gboolean flush;
gboolean intermediate;
guint64 duration;
gboolean eos;
gst_message_parse_step_done (message, &format, &amount, &rate, &flush,
&intermediate, &duration, &eos);
if (eos) {
g_print ("stepped till EOS\n");
return;
}
if (g_mutex_trylock (&app->state_mutex)) {
if (app->shuttling)
do_shuttle (app);
g_mutex_unlock (&app->state_mutex);
} else {
/* ignore step messages that come while we are doing a state change */
g_print ("state change is busy\n");
}
}
static void
shuttle_toggled (GtkToggleButton * button, PlaybackApp * app)
{
gboolean active;
active = gtk_toggle_button_get_active (button);
if (active != app->shuttling) {
app->shuttling = active;
g_print ("shuttling %s\n", app->shuttling ? "active" : "inactive");
if (active) {
app->shuttle_rate = 0.0;
app->play_rate = 1.0;
pause_cb (NULL, app);
gst_element_get_state (app->pipeline, NULL, NULL, -1);
}
}
}
static void
shuttle_rate_switch (PlaybackApp * app)
{
GstSeekFlags flags;
GstEvent *s_event;
gboolean res;
if (app->state == GST_STATE_PLAYING) {
/* pause when we need to */
pause_cb (NULL, app);
gst_element_get_state (app->pipeline, NULL, NULL, -1);
}
if (app->play_rate == 1.0)
app->play_rate = -1.0;
else
app->play_rate = 1.0;
g_print ("rate changed to %lf %" GST_TIME_FORMAT "\n", app->play_rate,
GST_TIME_ARGS (app->position));
flags = GST_SEEK_FLAG_FLUSH;
flags |= GST_SEEK_FLAG_ACCURATE;
if (app->play_rate >= 0.0) {
s_event = gst_event_new_seek (app->play_rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, app->position,
GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
} else {
s_event = gst_event_new_seek (app->play_rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, app->position);
}
res = send_event (app, s_event);
if (res) {
gst_element_get_state (app->pipeline, NULL, NULL, SEEK_TIMEOUT);
} else {
g_print ("seek failed\n");
}
}
static void
shuttle_value_changed (GtkRange * range, PlaybackApp * app)
{
gdouble rate;
rate = gtk_range_get_value (range);
if (rate == 0.0) {
g_print ("rate 0.0, pause\n");
pause_cb (NULL, app);
gst_element_get_state (app->pipeline, NULL, NULL, -1);
} else {
g_print ("rate changed %0.3g\n", rate);
if ((rate < 0.0 && app->play_rate > 0.0) || (rate > 0.0
&& app->play_rate < 0.0)) {
shuttle_rate_switch (app);
}
app->shuttle_rate = ABS (rate);
if (app->state != GST_STATE_PLAYING) {
do_shuttle (app);
play_cb (NULL, app);
}
}
}
static void
colorbalance_value_changed (GtkRange * range, PlaybackApp * app)
{
const gchar *label;
gdouble val;
gint ival;
GstColorBalanceChannel *channel = NULL;
const GList *channels, *l;
if (range == GTK_RANGE (app->contrast_scale))
label = "CONTRAST";
else if (range == GTK_RANGE (app->brightness_scale))
label = "BRIGHTNESS";
else if (range == GTK_RANGE (app->hue_scale))
label = "HUE";
else if (range == GTK_RANGE (app->saturation_scale))
label = "SATURATION";
else
g_return_if_reached ();
val = gtk_range_get_value (range);
g_print ("colorbalance %s value changed %lf\n", label, val / N_GRAD);
if (!app->colorbalance_element) {
find_interface_elements (app);
if (!app->colorbalance_element)
return;
}
channels =
gst_color_balance_list_channels (GST_COLOR_BALANCE
(app->colorbalance_element));
for (l = channels; l; l = l->next) {
GstColorBalanceChannel *tmp = l->data;
if (g_strrstr (tmp->label, label)) {
channel = tmp;
break;
}
}
if (!channel)
return;
ival =
(gint) (0.5 + channel->min_value +
(val / N_GRAD) * ((gdouble) channel->max_value -
(gdouble) channel->min_value));
gst_color_balance_set_value (GST_COLOR_BALANCE (app->colorbalance_element),
channel, ival);
}
static void
seek_format_changed_cb (GtkComboBox * box, PlaybackApp * app)
{
gchar *format_str;
GList *l;
const GstFormatDefinition *format = NULL;
format_str = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (box));
for (l = app->formats; l; l = l->next) {
const GstFormatDefinition *tmp = l->data;
if (g_strcmp0 (tmp->nick, format_str) == 0) {
format = tmp;
break;
}
}
if (!format)
goto done;
app->seek_format = format;
update_scale (app);
done:
g_free (format_str);
}
static void
update_formats (PlaybackApp * app)
{
GstIterator *it;
gboolean done;
GList *l;
GValue item = { 0, };
gchar *selected;
gint selected_idx = 0, i;
selected =
gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT
(app->seek_format_combo));
if (selected == NULL)
selected = g_strdup ("time");
it = gst_format_iterate_definitions ();
done = FALSE;
g_list_free (app->formats);
app->formats = NULL;
while (!done) {
switch (gst_iterator_next (it, &item)) {
case GST_ITERATOR_OK:{
GstFormatDefinition *def = g_value_get_pointer (&item);
app->formats = g_list_prepend (app->formats, def);
g_value_reset (&item);
break;
}
case GST_ITERATOR_RESYNC:
g_list_free (app->formats);
app->formats = NULL;
gst_iterator_resync (it);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
default:
done = TRUE;
break;
}
}
g_value_unset (&item);
app->formats = g_list_reverse (app->formats);
gst_iterator_free (it);
g_signal_handlers_block_by_func (app->seek_format_combo,
seek_format_changed_cb, app);
gtk_combo_box_text_remove_all (GTK_COMBO_BOX_TEXT (app->seek_format_combo));
for (i = 0, l = app->formats; l; l = l->next, i++) {
const GstFormatDefinition *def = l->data;
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (app->seek_format_combo),
def->nick);
if (g_strcmp0 (def->nick, selected) == 0)
selected_idx = i;
}
g_signal_handlers_unblock_by_func (app->seek_format_combo,
seek_format_changed_cb, app);
gtk_combo_box_set_active (GTK_COMBO_BOX (app->seek_format_combo),
selected_idx);
g_free (selected);
}
static void
msg_async_done (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
GST_DEBUG ("async done");
/* Now query all available GstFormats */
update_formats (app);
/* when we get ASYNC_DONE we can query position, duration and other
* properties */
update_scale (app);
/* update the available streams */
update_streams (app);
find_interface_elements (app);
}
static void
msg_state_changed (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
const GstStructure *s;
s = gst_message_get_structure (message);
/* We only care about state changed on the pipeline */
if (s && GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (app->pipeline)) {
GstState old, new, pending;
gst_message_parse_state_changed (message, &old, &new, &pending);
/* When state of the pipeline changes to paused or playing we start updating scale */
if (new == GST_STATE_PLAYING) {
set_update_scale (app, TRUE);
} else {
set_update_scale (app, FALSE);
}
/* dump graph for (some) pipeline state changes */
{
gchar *dump_name;
dump_name = g_strdup_printf ("seek.%s_%s",
gst_element_state_get_name (old), gst_element_state_get_name (new));
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (app->pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
g_free (dump_name);
}
}
}
static void
msg_segment_done (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
GstEvent *s_event;
GstSeekFlags flags;
gboolean res;
GstFormat format;
GST_DEBUG ("position is %" GST_TIME_FORMAT, GST_TIME_ARGS (app->position));
gst_message_parse_segment_done (message, &format, &app->position);
GST_DEBUG ("end of segment at %" GST_TIME_FORMAT,
GST_TIME_ARGS (app->position));
flags = 0;
/* in the segment-done callback we never flush as this would not make sense
* for seamless playback. */
if (app->loop_seek)
flags |= GST_SEEK_FLAG_SEGMENT;
if (app->skip_seek)
flags |= GST_SEEK_FLAG_TRICKMODE;
if (app->skip_seek_key_only)
flags |= GST_SEEK_FLAG_TRICKMODE_KEY_UNITS;
if (app->skip_seek_no_audio)
flags |= GST_SEEK_FLAG_TRICKMODE_NO_AUDIO;
s_event = gst_event_new_seek (app->rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, app->duration);
GST_DEBUG ("restart loop with rate %lf to 0 / %" GST_TIME_FORMAT,
app->rate, GST_TIME_ARGS (app->duration));
res = send_event (app, s_event);
if (!res)
g_print ("segment seek failed\n");
}
/* in stream buffering mode we PAUSE the pipeline until we receive a 100%
* message */
static void
do_stream_buffering (PlaybackApp * app, gint percent)
{
gchar *bufstr;
gtk_statusbar_pop (GTK_STATUSBAR (app->statusbar), app->status_id);
bufstr = g_strdup_printf ("Buffering...%d", percent);
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id, bufstr);
g_free (bufstr);
if (percent == 100) {
/* a 100% message means buffering is done */
app->buffering = FALSE;
/* if the desired state is playing, go back */
if (app->state == GST_STATE_PLAYING) {
/* no state management needed for live pipelines */
if (!app->is_live) {
fprintf (stderr, "Done buffering, setting pipeline to PLAYING ...\n");
gst_element_set_state (app->pipeline, GST_STATE_PLAYING);
}
gtk_statusbar_pop (GTK_STATUSBAR (app->statusbar), app->status_id);
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Playing");
}
} else {
/* buffering busy */
if (!app->buffering && app->state == GST_STATE_PLAYING) {
/* we were not buffering but PLAYING, PAUSE the pipeline. */
if (!app->is_live) {
fprintf (stderr, "Buffering, setting pipeline to PAUSED ...\n");
gst_element_set_state (app->pipeline, GST_STATE_PAUSED);
}
}
app->buffering = TRUE;
}
}
static void
do_download_buffering (PlaybackApp * app, gint percent)
{
if (!app->buffering && percent < 100) {
gchar *bufstr;
app->buffering = TRUE;
bufstr = g_strdup_printf ("Downloading...");
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id, bufstr);
g_free (bufstr);
/* once we get a buffering message, we'll do the fill update */
set_update_fill (app, TRUE);
if (app->state == GST_STATE_PLAYING && !app->is_live) {
fprintf (stderr, "Downloading, setting pipeline to PAUSED ...\n");
gst_element_set_state (app->pipeline, GST_STATE_PAUSED);
/* user has to manually start the playback */
app->state = GST_STATE_PAUSED;
}
}
}
static void
msg_buffering (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
gint percent;
gst_message_parse_buffering (message, &percent);
/* get more stats */
gst_message_parse_buffering_stats (message, &app->mode, NULL, NULL,
&app->buffering_left);
switch (app->mode) {
case GST_BUFFERING_DOWNLOAD:
do_download_buffering (app, percent);
break;
case GST_BUFFERING_LIVE:
app->is_live = TRUE;
case GST_BUFFERING_TIMESHIFT:
case GST_BUFFERING_STREAM:
do_stream_buffering (app, percent);
break;
}
}
static void
msg_clock_lost (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
g_print ("clock lost! PAUSE and PLAY to select a new clock\n");
if (app->state == GST_STATE_PLAYING) {
gst_element_set_state (app->pipeline, GST_STATE_PAUSED);
gst_element_set_state (app->pipeline, GST_STATE_PLAYING);
}
}
static gboolean
is_valid_color_balance_element (GstElement * element)
{
GstColorBalance *bal = GST_COLOR_BALANCE (element);
gboolean have_brightness = FALSE;
gboolean have_contrast = FALSE;
gboolean have_hue = FALSE;
gboolean have_saturation = FALSE;
const GList *channels, *l;
channels = gst_color_balance_list_channels (bal);
for (l = channels; l; l = l->next) {
GstColorBalanceChannel *ch = l->data;
if (g_strrstr (ch->label, "BRIGHTNESS"))
have_brightness = TRUE;
else if (g_strrstr (ch->label, "CONTRAST"))
have_contrast = TRUE;
else if (g_strrstr (ch->label, "HUE"))
have_hue = TRUE;
else if (g_strrstr (ch->label, "SATURATION"))
have_saturation = TRUE;
}
return have_brightness && have_contrast && have_hue && have_saturation;
}
static void
find_interface_elements (PlaybackApp * app)
{
GstIterator *it;
GValue item = { 0, };
gboolean done = FALSE, hardware = FALSE;
if (app->pipeline_type == 0)
return;
if (app->navigation_element)
gst_object_unref (app->navigation_element);
app->navigation_element = NULL;
if (app->colorbalance_element)
gst_object_unref (app->colorbalance_element);
app->colorbalance_element = NULL;
app->navigation_element =
gst_bin_get_by_interface (GST_BIN (app->pipeline), GST_TYPE_NAVIGATION);
it = gst_bin_iterate_all_by_interface (GST_BIN (app->pipeline),
GST_TYPE_COLOR_BALANCE);
while (!done) {
switch (gst_iterator_next (it, &item)) {
case GST_ITERATOR_OK:{
GstElement *element = GST_ELEMENT (g_value_get_object (&item));
if (is_valid_color_balance_element (element)) {
if (!app->colorbalance_element) {
app->colorbalance_element =
GST_ELEMENT_CAST (gst_object_ref (element));
hardware =
(gst_color_balance_get_balance_type (GST_COLOR_BALANCE
(element)) == GST_COLOR_BALANCE_HARDWARE);
} else if (!hardware) {
gboolean tmp =
(gst_color_balance_get_balance_type (GST_COLOR_BALANCE
(element)) == GST_COLOR_BALANCE_HARDWARE);
if (tmp) {
if (app->colorbalance_element)
gst_object_unref (app->colorbalance_element);
app->colorbalance_element =
GST_ELEMENT_CAST (gst_object_ref (element));
hardware = TRUE;
}
}
}
g_value_reset (&item);
if (hardware && app->colorbalance_element)
done = TRUE;
break;
}
case GST_ITERATOR_RESYNC:
gst_iterator_resync (it);
done = FALSE;
hardware = FALSE;
if (app->colorbalance_element)
gst_object_unref (app->colorbalance_element);
app->colorbalance_element = NULL;
break;
case GST_ITERATOR_DONE:
case GST_ITERATOR_ERROR:
default:
done = TRUE;
}
}
g_value_unset (&item);
gst_iterator_free (it);
}
/* called when Navigation command button is pressed */
static void
navigation_cmd_cb (GtkButton * button, PlaybackApp * app)
{
GstNavigationCommand cmd = GST_NAVIGATION_COMMAND_INVALID;
gint i;
if (!app->navigation_element) {
find_interface_elements (app);
if (!app->navigation_element)
return;
}
for (i = 0; i < G_N_ELEMENTS (app->navigation_buttons); i++) {
if (app->navigation_buttons[i].button == GTK_WIDGET (button)) {
cmd = app->navigation_buttons[i].cmd;
break;
}
}
if (cmd != GST_NAVIGATION_COMMAND_INVALID)
gst_navigation_send_command (GST_NAVIGATION (app->navigation_element), cmd);
}
#if defined (GDK_WINDOWING_X11) || defined (GDK_WINDOWING_WIN32) || defined (GDK_WINDOWING_QUARTZ)
/* We set the xid here in response to the prepare-xwindow-id message via a
* bus sync handler because we don't know the actual videosink used from the
* start (as we don't know the pipeline, or bin elements such as autovideosink
* or gconfvideosink may be used which create the actual videosink only once
* the pipeline is started) */
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
if (gst_is_video_overlay_prepare_window_handle_message (message)) {
GstElement *element = GST_ELEMENT (GST_MESSAGE_SRC (message));
if (app->overlay_element)
gst_object_unref (app->overlay_element);
app->overlay_element = GST_ELEMENT (gst_object_ref (element));
g_print ("got prepare-xwindow-id, setting XID %" G_GUINTPTR_FORMAT "\n",
app->embed_xid);
/* Should have been initialised from main thread before (can't use
* GDK_WINDOW_XID here with Gtk+ >= 2.18, because the sync handler will
* be called from a streaming thread and GDK_WINDOW_XID maps to more than
* a simple structure lookup with Gtk+ >= 2.18, where 'more' is stuff that
* shouldn't be done from a non-GUI thread without explicit locking). */
g_assert (app->embed_xid != 0);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (element),
app->embed_xid);
find_interface_elements (app);
}
return GST_BUS_PASS;
}
#endif
static gboolean
draw_cb (GtkWidget * widget, cairo_t * cr, PlaybackApp * app)
{
if (app->state < GST_STATE_PAUSED) {
int width, height;
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
return TRUE;
}
if (app->overlay_element)
gst_video_overlay_expose (GST_VIDEO_OVERLAY (app->overlay_element));
return FALSE;
}
static void
realize_cb (GtkWidget * widget, PlaybackApp * app)
{
GdkWindow *window = gtk_widget_get_window (widget);
/* This is here just for pedagogical purposes, GDK_WINDOW_XID will call it
* as well */
if (!gdk_window_ensure_native (window))
g_error ("Couldn't create native window needed for GstVideoOverlay!");
#if defined (GDK_WINDOWING_WIN32)
app->embed_xid = (guintptr) GDK_WINDOW_HWND (window);
g_print ("Window realize: video window HWND = %" G_GUINTPTR_FORMAT "\n",
app->embed_xid);
#elif defined (GDK_WINDOWING_QUARTZ)
app->embed_xid = (guintptr) gdk_quartz_window_get_nsview (window);
g_print ("Window realize: video window NSView = %" G_GUINTPTR_FORMAT "\n",
app->embed_xid);
#elif defined (GDK_WINDOWING_X11)
app->embed_xid = GDK_WINDOW_XID (window);
g_print ("Window realize: video window XID = %" G_GUINTPTR_FORMAT "\n",
app->embed_xid);
#endif
}
static gboolean
button_press_cb (GtkWidget * widget, GdkEventButton * event, PlaybackApp * app)
{
gtk_widget_grab_focus (widget);
if (app->navigation_element)
gst_navigation_send_mouse_event (GST_NAVIGATION (app->navigation_element),
"mouse-button-press", event->button, event->x, event->y);
return FALSE;
}
static gboolean
button_release_cb (GtkWidget * widget, GdkEventButton * event,
PlaybackApp * app)
{
if (app->navigation_element)
gst_navigation_send_mouse_event (GST_NAVIGATION (app->navigation_element),
"mouse-button-release", event->button, event->x, event->y);
return FALSE;
}
static gboolean
key_press_cb (GtkWidget * widget, GdkEventKey * event, PlaybackApp * app)
{
if (app->navigation_element)
gst_navigation_send_key_event (GST_NAVIGATION (app->navigation_element),
"key-press", gdk_keyval_name (event->keyval));
return FALSE;
}
static gboolean
key_release_cb (GtkWidget * widget, GdkEventKey * event, PlaybackApp * app)
{
if (app->navigation_element)
gst_navigation_send_key_event (GST_NAVIGATION (app->navigation_element),
"key-release", gdk_keyval_name (event->keyval));
return FALSE;
}
static gboolean
motion_notify_cb (GtkWidget * widget, GdkEventMotion * event, PlaybackApp * app)
{
if (app->navigation_element)
gst_navigation_send_mouse_event (GST_NAVIGATION (app->navigation_element),
"mouse-move", 0, event->x, event->y);
return FALSE;
}
static void
msg_eos (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
message_received (bus, message, app);
/* Set new uri for playerbins and continue playback */
if (app->current_path && app->pipeline_type == 0) {
stop_cb (NULL, app);
app->current_path = g_list_next (app->current_path);
app->current_sub_path = g_list_next (app->current_sub_path);
if (app->current_path) {
playbin_set_uri (app->pipeline, app->current_path->data,
app->current_sub_path ? app->current_sub_path->data : NULL);
play_cb (NULL, app);
}
}
}
static void
msg_step_done (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
if (!app->shuttling)
message_received (bus, message, app);
}
static void
msg (GstBus * bus, GstMessage * message, PlaybackApp * app)
{
GstNavigationMessageType nav_type;
nav_type = gst_navigation_message_get_type (message);
switch (nav_type) {
case GST_NAVIGATION_MESSAGE_COMMANDS_CHANGED:{
GstQuery *query;
gboolean res, j;
/* Heuristic to detect if we're dealing with a DVD menu */
query = gst_navigation_query_new_commands ();
res = gst_element_query (GST_ELEMENT (GST_MESSAGE_SRC (message)), query);
for (j = 0; j < G_N_ELEMENTS (app->navigation_buttons); j++)
gtk_widget_set_sensitive (app->navigation_buttons[j].button, FALSE);
if (res) {
gboolean is_menu = FALSE;
guint i, n;
if (gst_navigation_query_parse_commands_length (query, &n)) {
for (i = 0; i < n; i++) {
GstNavigationCommand cmd;
if (!gst_navigation_query_parse_commands_nth (query, i, &cmd))
break;
is_menu |= (cmd == GST_NAVIGATION_COMMAND_ACTIVATE);
is_menu |= (cmd == GST_NAVIGATION_COMMAND_LEFT);
is_menu |= (cmd == GST_NAVIGATION_COMMAND_RIGHT);
is_menu |= (cmd == GST_NAVIGATION_COMMAND_UP);
is_menu |= (cmd == GST_NAVIGATION_COMMAND_DOWN);
for (j = 0; j < G_N_ELEMENTS (app->navigation_buttons); j++) {
if (app->navigation_buttons[j].cmd != cmd)
continue;
gtk_widget_set_sensitive (app->navigation_buttons[j].button,
TRUE);
}
}
}
gtk_widget_set_sensitive (GTK_WIDGET (app->seek_scale), !is_menu);
} else {
g_assert_not_reached ();
}
gst_query_unref (query);
message_received (bus, message, app);
break;
}
default:
break;
}
}
static void
connect_bus_signals (PlaybackApp * app)
{
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (app->pipeline));
#if defined (GDK_WINDOWING_X11) || defined (GDK_WINDOWING_WIN32) || defined (GDK_WINDOWING_QUARTZ)
if (app->pipeline_type != 0) {
/* handle prepare-xwindow-id element message synchronously, but only for non-playbin */
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) bus_sync_handler, app,
NULL);
}
#endif
gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
gst_bus_enable_sync_message_emission (bus);
g_signal_connect (bus, "message::state-changed",
G_CALLBACK (msg_state_changed), app);
g_signal_connect (bus, "message::segment-done", G_CALLBACK (msg_segment_done),
app);
g_signal_connect (bus, "message::async-done", G_CALLBACK (msg_async_done),
app);
g_signal_connect (bus, "message::new-clock", G_CALLBACK (message_received),
app);
g_signal_connect (bus, "message::clock-lost", G_CALLBACK (msg_clock_lost),
app);
g_signal_connect (bus, "message::error", G_CALLBACK (message_received), app);
g_signal_connect (bus, "message::warning", G_CALLBACK (message_received),
app);
g_signal_connect (bus, "message::eos", G_CALLBACK (msg_eos), app);
g_signal_connect (bus, "message::tag", G_CALLBACK (message_received), app);
g_signal_connect (bus, "message::element", G_CALLBACK (message_received),
app);
g_signal_connect (bus, "message::segment-done", G_CALLBACK (message_received),
app);
g_signal_connect (bus, "message::buffering", G_CALLBACK (msg_buffering), app);
// g_signal_connect (bus, "message::step-done", G_CALLBACK (msg_step_done),
// app);
g_signal_connect (bus, "message::step-start", G_CALLBACK (msg_step_done),
app);
g_signal_connect (bus, "sync-message::step-done",
G_CALLBACK (msg_sync_step_done), app);
g_signal_connect (bus, "message", G_CALLBACK (msg), app);
gst_object_unref (bus);
}
/* Return GList of paths described in location string */
static GList *
handle_wildcards (const gchar * location)
{
GList *res = NULL;
gchar *path = g_path_get_dirname (location);
gchar *pattern = g_path_get_basename (location);
GPatternSpec *pspec = g_pattern_spec_new (pattern);
GDir *dir = g_dir_open (path, 0, NULL);
const gchar *name;
g_print ("matching %s from %s\n", pattern, path);
if (!dir) {
g_print ("opening directory %s failed\n", path);
goto out;
}
while ((name = g_dir_read_name (dir)) != NULL) {
if (g_pattern_match_string (pspec, name)) {
res = g_list_append (res, g_strjoin ("/", path, name, NULL));
g_print (" found clip %s\n", name);
}
}
g_dir_close (dir);
out:
g_pattern_spec_free (pspec);
g_free (pattern);
g_free (path);
return res;
}
static void
delete_event_cb (GtkWidget * widget, GdkEvent * event, PlaybackApp * app)
{
stop_cb (NULL, app);
gtk_main_quit ();
}
static void
video_sink_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
GstElement *sink = NULL;
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
sink = gst_element_factory_make_or_warn (text, NULL);
}
g_object_set (app->pipeline, "video-sink", sink, NULL);
}
static void
audio_sink_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
GstElement *sink = NULL;
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
sink = gst_element_factory_make_or_warn (text, NULL);
}
g_object_set (app->pipeline, "audio-sink", sink, NULL);
}
static void
text_sink_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
GstElement *sink = NULL;
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
sink = gst_element_factory_make_or_warn (text, NULL);
}
g_object_set (app->pipeline, "text-sink", sink, NULL);
}
static void
buffer_size_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
gint64 v;
gchar *endptr;
v = g_ascii_strtoll (text, &endptr, 10);
if (endptr != text && v >= G_MININT && v <= G_MAXINT) {
g_object_set (app->pipeline, "buffer-size", (gint) v, NULL);
}
}
}
static void
buffer_duration_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
gint64 v;
gchar *endptr;
v = g_ascii_strtoll (text, &endptr, 10);
if (endptr != text && v != G_MAXINT64 && v != G_MININT64) {
g_object_set (app->pipeline, "buffer-duration", v, NULL);
}
}
}
static void
ringbuffer_maxsize_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
guint64 v;
gchar *endptr;
v = g_ascii_strtoull (text, &endptr, 10);
if (endptr != text && v != G_MAXUINT64) {
g_object_set (app->pipeline, "ring-buffer-max-size", v, NULL);
}
}
}
static void
connection_speed_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
gint64 v;
gchar *endptr;
v = g_ascii_strtoll (text, &endptr, 10);
if (endptr != text && v != G_MAXINT64 && v != G_MININT64) {
g_object_set (app->pipeline, "connection-speed", v, NULL);
}
}
}
static void
subtitle_encoding_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
const gchar *text;
text = gtk_entry_get_text (entry);
g_object_set (app->pipeline, "subtitle-encoding", text, NULL);
}
static void
subtitle_fontdesc_cb (GtkFontButton * button, PlaybackApp * app)
{
gchar *text;
text = gtk_font_chooser_get_font (GTK_FONT_CHOOSER (button));
g_object_set (app->pipeline, "subtitle-font-desc", text, NULL);
g_free (text);
}
static void
av_offset_activate_cb (GtkEntry * entry, PlaybackApp * app)
{
const gchar *text;
text = gtk_entry_get_text (entry);
if (text != NULL && *text != '\0') {
gint64 v;
gchar *endptr;
v = g_ascii_strtoll (text, &endptr, 10);
if (endptr != text && v != G_MAXINT64 && v != G_MININT64) {
g_object_set (app->pipeline, "av-offset", v, NULL);
}
}
}
static void
print_usage (int argc, char **argv)
{
gint i;
g_print ("Usage: %s <type> <argument>\n", argv[0]);
g_print (" possible types:\n");
for (i = 0; i < G_N_ELEMENTS (pipelines); i++) {
g_print (" %d = %s %s\n", i, pipelines[i].name, pipelines[i].help);
}
}
static void
create_ui (PlaybackApp * app)
{
GtkWidget *hbox, *vbox, *seek, *playbin, *step, *navigation, *colorbalance;
GtkWidget *play_button, *pause_button, *stop_button;
GtkAdjustment *adjustment;
/* initialize gui elements ... */
app->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
app->video_window = gtk_drawing_area_new ();
g_signal_connect (app->video_window, "draw", G_CALLBACK (draw_cb), app);
g_signal_connect (app->video_window, "realize", G_CALLBACK (realize_cb), app);
g_signal_connect (app->video_window, "button-press-event",
G_CALLBACK (button_press_cb), app);
g_signal_connect (app->video_window, "button-release-event",
G_CALLBACK (button_release_cb), app);
g_signal_connect (app->video_window, "key-press-event",
G_CALLBACK (key_press_cb), app);
g_signal_connect (app->video_window, "key-release-event",
G_CALLBACK (key_release_cb), app);
g_signal_connect (app->video_window, "motion-notify-event",
G_CALLBACK (motion_notify_cb), app);
gtk_widget_set_can_focus (app->video_window, TRUE);
gtk_widget_add_events (app->video_window,
GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
app->statusbar = gtk_statusbar_new ();
app->status_id =
gtk_statusbar_get_context_id (GTK_STATUSBAR (app->statusbar),
"playback-test");
gtk_statusbar_push (GTK_STATUSBAR (app->statusbar), app->status_id,
"Stopped");
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 3);
/* media controls */
play_button = gtk_button_new_from_icon_name ("media-playback-start",
GTK_ICON_SIZE_BUTTON);
pause_button = gtk_button_new_from_icon_name ("media-playback-pause",
GTK_ICON_SIZE_BUTTON);
stop_button = gtk_button_new_from_icon_name ("media-playback-stop",
GTK_ICON_SIZE_BUTTON);
/* seek expander */
{
GtkWidget *accurate_checkbox, *key_checkbox, *loop_checkbox,
*flush_checkbox, *snap_before_checkbox, *snap_after_checkbox;
GtkWidget *scrub_checkbox, *play_scrub_checkbox, *rate_label;
GtkWidget *skip_checkbox, *skip_key_checkbox, *skip_audio_checkbox,
*rate_spinbutton;
GtkWidget *flagtable, *advanced_seek, *advanced_seek_grid;
GtkWidget *duration_label, *position_label, *seek_button;
GtkWidget *start_label, *stop_label;
seek = gtk_expander_new ("seek options");
flagtable = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (flagtable), 2);
gtk_grid_set_row_homogeneous (GTK_GRID (flagtable), FALSE);
gtk_grid_set_column_spacing (GTK_GRID (flagtable), 2);
gtk_grid_set_column_homogeneous (GTK_GRID (flagtable), FALSE);
accurate_checkbox = gtk_check_button_new_with_label ("Accurate Playback");
key_checkbox = gtk_check_button_new_with_label ("Key-unit Playback");
loop_checkbox = gtk_check_button_new_with_label ("Loop");
flush_checkbox = gtk_check_button_new_with_label ("Flush");
scrub_checkbox = gtk_check_button_new_with_label ("Scrub");
play_scrub_checkbox = gtk_check_button_new_with_label ("Play Scrub");
skip_checkbox = gtk_check_button_new_with_label ("Trickmode Play");
skip_key_checkbox =
gtk_check_button_new_with_label ("Trickmode - Keyframes Only");
skip_audio_checkbox =
gtk_check_button_new_with_label ("Trickmode - No Audio");
snap_before_checkbox = gtk_check_button_new_with_label ("Snap before");
snap_after_checkbox = gtk_check_button_new_with_label ("Snap after");
rate_spinbutton = gtk_spin_button_new_with_range (-100, 100, 0.1);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (rate_spinbutton), 3);
rate_label = gtk_label_new ("Rate");
gtk_widget_set_tooltip_text (accurate_checkbox,
"accurate position is requested, this might be considerably slower for some formats");
gtk_widget_set_tooltip_text (key_checkbox,
"seek to the nearest keyframe. This might be faster but less accurate");
gtk_widget_set_tooltip_text (loop_checkbox, "loop playback");
gtk_widget_set_tooltip_text (flush_checkbox,
"flush pipeline after seeking");
gtk_widget_set_tooltip_text (rate_spinbutton,
"define the playback rate, " "negative value trigger reverse playback");
gtk_widget_set_tooltip_text (scrub_checkbox, "show images while seeking");
gtk_widget_set_tooltip_text (play_scrub_checkbox,
"play video while seeking");
gtk_widget_set_tooltip_text (skip_checkbox,
"Skip frames while playing at high frame rates");
gtk_widget_set_tooltip_text (skip_key_checkbox,
"Skip everything except keyframes while playing at high frame rates");
gtk_widget_set_tooltip_text (skip_audio_checkbox,
"Do not decode audio during trick mode playback");
gtk_widget_set_tooltip_text (snap_before_checkbox,
"Favor snapping to the frame before the seek target");
gtk_widget_set_tooltip_text (snap_after_checkbox,
"Favor snapping to the frame after the seek target");
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (flush_checkbox), TRUE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (scrub_checkbox), TRUE);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (rate_spinbutton), app->rate);
g_signal_connect (G_OBJECT (accurate_checkbox), "toggled",
G_CALLBACK (accurate_toggle_cb), app);
g_signal_connect (G_OBJECT (key_checkbox), "toggled",
G_CALLBACK (key_toggle_cb), app);
g_signal_connect (G_OBJECT (loop_checkbox), "toggled",
G_CALLBACK (loop_toggle_cb), app);
g_signal_connect (G_OBJECT (flush_checkbox), "toggled",
G_CALLBACK (flush_toggle_cb), app);
g_signal_connect (G_OBJECT (scrub_checkbox), "toggled",
G_CALLBACK (scrub_toggle_cb), app);
g_signal_connect (G_OBJECT (play_scrub_checkbox), "toggled",
G_CALLBACK (play_scrub_toggle_cb), app);
g_signal_connect (G_OBJECT (skip_checkbox), "toggled",
G_CALLBACK (skip_toggle_cb), app);
g_signal_connect (G_OBJECT (skip_key_checkbox), "toggled",
G_CALLBACK (skip_key_toggle_cb), app);
g_signal_connect (G_OBJECT (skip_audio_checkbox), "toggled",
G_CALLBACK (skip_audio_toggle_cb), app);
g_signal_connect (G_OBJECT (rate_spinbutton), "value-changed",
G_CALLBACK (rate_spinbutton_changed_cb), app);
g_signal_connect (G_OBJECT (snap_before_checkbox), "toggled",
G_CALLBACK (snap_before_toggle_cb), app);
g_signal_connect (G_OBJECT (snap_after_checkbox), "toggled",
G_CALLBACK (snap_after_toggle_cb), app);
gtk_grid_attach (GTK_GRID (flagtable), accurate_checkbox, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), flush_checkbox, 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), loop_checkbox, 2, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), key_checkbox, 0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), scrub_checkbox, 1, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), play_scrub_checkbox, 2, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), skip_checkbox, 3, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), skip_key_checkbox, 3, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), skip_audio_checkbox, 3, 2, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), rate_label, 4, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), rate_spinbutton, 4, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), snap_before_checkbox, 0, 2, 1, 1);
gtk_grid_attach (GTK_GRID (flagtable), snap_after_checkbox, 1, 2, 1, 1);
advanced_seek = gtk_frame_new ("Advanced Seeking");
advanced_seek_grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (advanced_seek_grid), 2);
gtk_grid_set_row_homogeneous (GTK_GRID (advanced_seek_grid), FALSE);
gtk_grid_set_column_spacing (GTK_GRID (advanced_seek_grid), 5);
gtk_grid_set_column_homogeneous (GTK_GRID (advanced_seek_grid), FALSE);
app->seek_format_combo = gtk_combo_box_text_new ();
g_signal_connect (app->seek_format_combo, "changed",
G_CALLBACK (seek_format_changed_cb), app);
gtk_grid_attach (GTK_GRID (advanced_seek_grid), app->seek_format_combo, 0,
0, 1, 1);
app->seek_entry = gtk_entry_new ();
gtk_entry_set_width_chars (GTK_ENTRY (app->seek_entry), 12);
gtk_grid_attach (GTK_GRID (advanced_seek_grid), app->seek_entry, 0, 1, 1,
1);
seek_button = gtk_button_new_with_label ("Seek");
g_signal_connect (G_OBJECT (seek_button), "clicked",
G_CALLBACK (advanced_seek_button_cb), app);
gtk_grid_attach (GTK_GRID (advanced_seek_grid), seek_button, 1, 0, 1, 1);
position_label = gtk_label_new ("Position:");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), position_label, 2, 0, 1, 1);
duration_label = gtk_label_new ("Duration:");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), duration_label, 2, 1, 1, 1);
app->seek_position_label = gtk_label_new ("-1");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), app->seek_position_label, 3,
0, 1, 1);
app->seek_duration_label = gtk_label_new ("-1");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), app->seek_duration_label, 3,
1, 1, 1);
start_label = gtk_label_new ("Seek start:");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), start_label, 4, 0, 1, 1);
stop_label = gtk_label_new ("Seek stop:");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), stop_label, 4, 1, 1, 1);
app->seek_start_label = gtk_label_new ("-1");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), app->seek_start_label, 5,
0, 1, 1);
app->seek_stop_label = gtk_label_new ("-1");
gtk_grid_attach (GTK_GRID (advanced_seek_grid), app->seek_stop_label, 5,
1, 1, 1);
gtk_container_add (GTK_CONTAINER (advanced_seek), advanced_seek_grid);
gtk_grid_attach (GTK_GRID (flagtable), advanced_seek, 0, 3, 3, 2);
gtk_container_add (GTK_CONTAINER (seek), flagtable);
}
/* step expander */
{
GtkWidget *hbox;
GtkWidget *step_button, *shuttle_checkbox;
step = gtk_expander_new ("step options");
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
app->step_format_combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (app->step_format_combo),
"frames");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (app->step_format_combo),
"time (ms)");
gtk_combo_box_set_active (GTK_COMBO_BOX (app->step_format_combo), 0);
gtk_box_pack_start (GTK_BOX (hbox), app->step_format_combo, FALSE, FALSE,
2);
app->step_amount_spinbutton = gtk_spin_button_new_with_range (1, 1000, 1);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (app->step_amount_spinbutton),
0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (app->step_amount_spinbutton),
1.0);
gtk_box_pack_start (GTK_BOX (hbox), app->step_amount_spinbutton, FALSE,
FALSE, 2);
app->step_rate_spinbutton = gtk_spin_button_new_with_range (0.0, 100, 0.1);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (app->step_rate_spinbutton), 3);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (app->step_rate_spinbutton),
1.0);
gtk_box_pack_start (GTK_BOX (hbox), app->step_rate_spinbutton, FALSE, FALSE,
2);
step_button =
gtk_button_new_from_icon_name ("media-seek-forward",
GTK_ICON_SIZE_BUTTON);
gtk_button_set_label (GTK_BUTTON (step_button), "Step");
gtk_box_pack_start (GTK_BOX (hbox), step_button, FALSE, FALSE, 2);
g_signal_connect (G_OBJECT (step_button), "clicked", G_CALLBACK (step_cb),
app);
/* shuttle scale */
shuttle_checkbox = gtk_check_button_new_with_label ("Shuttle");
gtk_box_pack_start (GTK_BOX (hbox), shuttle_checkbox, FALSE, FALSE, 2);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shuttle_checkbox), FALSE);
g_signal_connect (shuttle_checkbox, "toggled", G_CALLBACK (shuttle_toggled),
app);
adjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (0.0, -3.00, 4.0, 0.1, 1.0, 1.0));
app->shuttle_scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, adjustment);
gtk_scale_set_digits (GTK_SCALE (app->shuttle_scale), 2);
gtk_scale_set_value_pos (GTK_SCALE (app->shuttle_scale), GTK_POS_TOP);
g_signal_connect (app->shuttle_scale, "value-changed",
G_CALLBACK (shuttle_value_changed), app);
g_signal_connect (app->shuttle_scale, "format_value",
G_CALLBACK (shuttle_format_value), app);
gtk_box_pack_start (GTK_BOX (hbox), app->shuttle_scale, TRUE, TRUE, 2);
gtk_container_add (GTK_CONTAINER (step), hbox);
}
/* navigation command expander */
{
GtkWidget *navigation_button;
GtkWidget *grid;
gint i = 0;
navigation = gtk_expander_new ("navigation commands");
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
gtk_grid_set_row_homogeneous (GTK_GRID (grid), FALSE);
gtk_grid_set_column_spacing (GTK_GRID (grid), 2);
gtk_grid_set_column_homogeneous (GTK_GRID (grid), FALSE);
navigation_button = gtk_button_new_with_label ("Menu 1");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i, 0, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
gtk_widget_set_tooltip_text (navigation_button, "DVD Menu");
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_MENU1;
navigation_button = gtk_button_new_with_label ("Menu 2");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i, 0, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
gtk_widget_set_tooltip_text (navigation_button, "DVD Title Menu");
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_MENU2;
navigation_button = gtk_button_new_with_label ("Menu 3");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i, 0, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
gtk_widget_set_tooltip_text (navigation_button, "DVD Root Menu");
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_MENU3;
navigation_button = gtk_button_new_with_label ("Menu 4");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i, 0, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
gtk_widget_set_tooltip_text (navigation_button, "DVD Subpicture Menu");
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_MENU4;
navigation_button = gtk_button_new_with_label ("Menu 5");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i, 0, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
gtk_widget_set_tooltip_text (navigation_button, "DVD Audio Menu");
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_MENU5;
navigation_button = gtk_button_new_with_label ("Menu 6");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i, 0, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
gtk_widget_set_tooltip_text (navigation_button, "DVD Angle Menu");
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_MENU6;
navigation_button = gtk_button_new_with_label ("Menu 7");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i, 0, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
gtk_widget_set_tooltip_text (navigation_button, "DVD Chapter Menu");
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_MENU7;
navigation_button = gtk_button_new_with_label ("Left");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i - 7, 1, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);
app->navigation_buttons[i].button = navigation_button;
app->navigation_buttons[i++].cmd = GST_NAVIGATION_COMMAND_LEFT;
navigation_button = gtk_button_new_with_label ("Right");
g_signal_connect (G_OBJECT (navigation_button), "clicked",
G_CALLBACK (navigation_cmd_cb), app);
gtk_grid_attach (GTK_GRID (grid), navigation_button, i - 7, 1, 1, 1);
gtk_widget_set_sensitive (navigation_button, FALSE);