Adding visualization.

Original commit message from CVS:
Adding visualization.
Removing interfaces.
Preparing videoswitch integration.
This commit is contained in:
Julien Moutte 2003-12-08 16:01:49 +00:00
parent da23b98e4c
commit 6bbaa16dcc
4 changed files with 536 additions and 226 deletions

View file

@ -23,10 +23,6 @@
#include "gstplay.h"
#include <gst/xoverlay/xoverlay.h>
#include <gst/navigation/navigation.h>
#include <gst/mixer/mixer.h>
enum
{
TIME_TICK,
@ -49,7 +45,7 @@ static gboolean
gst_play_pipeline_setup (GstPlay *play)
{
GstElement *work_thread, *video_thread;
GstElement *source, *autoplugger;
GstElement *source, *autoplugger, *video_switch;
GstElement *video_queue, *video_colorspace, *video_scaler, *video_sink;
GstElement *audio_thread, *audio_queue, *audio_volume, *audio_sink;
GstElement *audio_tee, *vis_thread, *vis_queue, *vis_element;
@ -58,8 +54,8 @@ gst_play_pipeline_setup (GstPlay *play)
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
work_thread = gst_thread_new ("work_thread");
if (!GST_IS_THREAD (work_thread))
work_thread = gst_element_factory_make ("thread", "work_thread");
if (!GST_IS_ELEMENT (work_thread))
return FALSE;
g_hash_table_insert (play->elements, "work_thread", work_thread);
@ -83,8 +79,8 @@ gst_play_pipeline_setup (GstPlay *play)
/* Creating our video output bin
{ queue ! colorspace ! videoscale ! fakesink } */
video_thread = gst_thread_new ("video_thread");
if (!GST_IS_THREAD (video_thread))
video_thread = gst_element_factory_make ("thread", "video_thread");
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
g_hash_table_insert (play->elements, "video_thread", video_thread);
@ -130,13 +126,23 @@ gst_play_pipeline_setup (GstPlay *play)
gst_element_get_pad (video_queue, "sink"),
"sink");
/* Connecting video output to autoplugger */
gst_element_link (autoplugger, video_thread);
video_switch = gst_element_factory_make ("videoswitch",
"video_switch");
if (!GST_IS_ELEMENT (video_switch))
return FALSE;
g_hash_table_insert (play->elements, "video_switch", video_switch);
gst_bin_add (GST_BIN (work_thread), video_switch);
/* Connecting autoplugger to video switch and video switch to video output */
gst_element_link (autoplugger, video_switch);
gst_element_link (video_switch, video_thread);
/* Creating our audio output bin
{ queue ! volume ! tee ! { queue ! goom } ! fakesink } */
audio_thread = gst_thread_new ("audio_thread");
if (!GST_IS_THREAD (audio_thread))
audio_thread = gst_element_factory_make ("thread", "audio_thread");
if (!GST_IS_ELEMENT (audio_thread))
return FALSE;
g_hash_table_insert (play->elements, "audio_thread", audio_thread);
@ -177,8 +183,8 @@ gst_play_pipeline_setup (GstPlay *play)
g_hash_table_insert (play->elements, "audio_sink", audio_sink);
/* Visualization thread */
vis_thread = gst_thread_new ("vis_thread");
if (!GST_IS_THREAD (vis_thread))
vis_thread = gst_element_factory_make ("thread", "vis_thread");
if (!GST_IS_ELEMENT (vis_thread))
return FALSE;
g_hash_table_insert (play->elements, "vis_thread", vis_thread);
@ -236,7 +242,12 @@ gst_play_tick_callback (GstPlay *play)
GstClock *clock = NULL;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
if (!GST_IS_PLAY (play))
{
play->tick_id = 0;
return FALSE;
}
clock = gst_bin_get_clock (GST_BIN (play));
play->time_nanos = gst_clock_get_time (clock);
@ -244,7 +255,63 @@ gst_play_tick_callback (GstPlay *play)
g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK],
0,play->time_nanos);
return (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING);
if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING)
return TRUE;
else
{
play->tick_id = 0;
return FALSE;
}
}
static gboolean
gst_play_get_length_callback (GstPlay *play)
{
GstElement *audio_sink_element, *video_sink_element;
GstFormat format = GST_FORMAT_TIME;
gint64 value;
gboolean q = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
/* We try to get length from all real sink elements */
audio_sink_element = g_hash_table_lookup (play->elements,
"audio_sink_element");
video_sink_element = g_hash_table_lookup (play->elements,
"video_sink_element");
if (!GST_IS_ELEMENT (audio_sink_element) &&
!GST_IS_ELEMENT (video_sink_element))
{
play->length_id = 0;
return FALSE;
}
/* Audio first and then Video */
q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format, &value);
if (!q)
q = gst_element_query (video_sink_element, GST_QUERY_TOTAL, &format,
&value);
if (q)
{
play->length_nanos = value;
g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH],
0,play->length_nanos);
play->length_id = 0;
return FALSE;
}
play->get_length_attempt++;
/* We try 16 times */
if (play->get_length_attempt > 15)
{
play->length_id = 0;
return FALSE;
}
else
return TRUE;
}
static void
@ -260,69 +327,32 @@ gst_play_state_change (GstElement *element, GstElementState old,
if (state == GST_STATE_PLAYING)
{
g_timeout_add (200, (GSourceFunc) gst_play_tick_callback, play);
if (play->tick_id)
{
g_source_remove (play->tick_id);
play->tick_id = 0;
}
play->tick_id = g_timeout_add (200, (GSourceFunc) gst_play_tick_callback,
play);
play->get_length_attempt = 0;
if (play->length_id)
{
g_source_remove (play->length_id);
play->length_id = 0;
}
play->length_id = g_timeout_add (200,
(GSourceFunc) gst_play_get_length_callback,
play);
}
if (GST_ELEMENT_CLASS (parent_class)->state_change)
GST_ELEMENT_CLASS (parent_class)->state_change (element, old, state);
}
/* =========================================== */
/* */
/* Interfaces */
/* */
/* =========================================== */
static gboolean
gst_play_interface_supported (GstInterface *iface, GType type)
{
g_assert (type == GST_TYPE_NAVIGATION ||
type == GST_TYPE_X_OVERLAY ||
type == GST_TYPE_MIXER);
return TRUE;
}
static void
gst_play_interface_init (GstInterfaceClass *klass)
{
klass->supported = gst_play_interface_supported;
}
static void
gst_play_navigation_send_event (GstNavigation *navigation,
GstStructure *structure)
{
}
static void
gst_play_navigation_init (GstNavigationInterface *iface)
{
iface->send_event = gst_play_navigation_send_event;
}
static void
gst_play_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
{
}
static void
gst_play_xoverlay_init (GstXOverlayClass *iface)
{
iface->set_xwindow_id = gst_play_set_xwindow_id;
}
static void
gst_play_mixer_init (GstMixerClass *klass)
{
klass->list_tracks = NULL;
klass->set_volume = NULL;
klass->get_volume = NULL;
klass->set_mute = NULL;
klass->set_record = NULL;
}
/* =========================================== */
/* */
/* Init & Dispose & Class init */
@ -338,6 +368,18 @@ gst_play_dispose (GObject *object)
g_return_if_fail (GST_IS_PLAY (object));
play = GST_PLAY (object);
if (play->length_id)
{
g_source_remove (play->length_id);
play->length_id = 0;
}
if (play->tick_id)
{
g_source_remove (play->tick_id);
play->tick_id = 0;
}
if (play->location)
{
@ -427,13 +469,13 @@ gst_play_set_location (GstPlay *play, const char *location)
gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
work_thread = g_hash_table_lookup (play->elements, "work_thread");
if (!GST_IS_THREAD (work_thread))
if (!GST_IS_ELEMENT (work_thread))
return FALSE;
video_thread = g_hash_table_lookup (play->elements, "video_thread");
if (!GST_IS_THREAD (video_thread))
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
audio_thread = g_hash_table_lookup (play->elements, "audio_thread");
if (!GST_IS_THREAD (audio_thread))
if (!GST_IS_ELEMENT (audio_thread))
return FALSE;
source = g_hash_table_lookup (play->elements, "source");
if (!GST_IS_ELEMENT (source))
@ -498,9 +540,31 @@ gst_play_get_location (GstPlay *play)
gboolean
gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
{
GstElement *audio_sink_element;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
if (time_nanos < 0LL)
time_nanos = 0LL;
audio_sink_element = g_hash_table_lookup (play->elements,
"audio_sink_element");
if (GST_IS_ELEMENT (audio_sink_element))
{
gboolean s = FALSE;
GstClock *clock = gst_bin_get_clock (GST_BIN (play));
s = gst_element_seek (audio_sink_element, GST_FORMAT_TIME |
GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH,
time_nanos);
if (s)
{
play->time_nanos = gst_clock_get_time (clock);
g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK],
0,play->time_nanos);
}
}
return TRUE;
}
@ -527,7 +591,7 @@ gst_play_set_data_src (GstPlay *play, GstElement *data_src)
/* Getting needed objects */
work_thread = g_hash_table_lookup (play->elements, "work_thread");
if (!GST_IS_THREAD (work_thread))
if (!GST_IS_ELEMENT (work_thread))
return FALSE;
old_data_src = g_hash_table_lookup (play->elements, "source");
if (!GST_IS_ELEMENT (old_data_src))
@ -572,7 +636,7 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink)
/* Getting needed objects */
video_thread = g_hash_table_lookup (play->elements, "video_thread");
if (!GST_IS_THREAD (video_thread))
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
old_video_sink = g_hash_table_lookup (play->elements, "video_sink");
if (!GST_IS_ELEMENT (old_video_sink))
@ -616,7 +680,7 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink)
gboolean
gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
{
GstElement *old_audio_sink, *audio_thread;
GstElement *old_audio_sink, *audio_thread, *audio_sink_element;
GstPad *audio_tee_pad1, *audio_sink_pad, *old_audio_sink_pad;
g_return_val_if_fail (play != NULL, FALSE);
@ -635,7 +699,7 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
if (!GST_IS_PAD (old_audio_sink_pad))
return FALSE;
audio_thread = g_hash_table_lookup (play->elements, "audio_thread");
if (!GST_IS_THREAD (audio_thread))
if (!GST_IS_ELEMENT (audio_thread))
return FALSE;
audio_tee_pad1 = g_hash_table_lookup (play->elements, "audio_tee_pad1");
if (!GST_IS_PAD (audio_tee_pad1))
@ -654,6 +718,119 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
g_hash_table_replace (play->elements, "audio_sink", audio_sink);
g_hash_table_replace (play->elements, "audio_sink_pad", audio_sink_pad);
audio_sink_element = gst_play_get_sink_element (play, audio_sink,
GST_PLAY_SINK_TYPE_AUDIO);
if (GST_IS_ELEMENT (audio_sink_element))
{
g_hash_table_replace (play->elements, "audio_sink_element",
audio_sink_element);
}
return TRUE;
}
/**
* gst_play_set_visualization:
* @play: a #GstPlay.
* @element: a #GstElement.
*
* Set @video_sink as the video sink element of @play.
*
* Returns: TRUE if call succeeded.
*/
gboolean
gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
{
GstElement *old_vis_element, *vis_thread, *vis_queue, *video_switch;
gboolean was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
/* We bring back the pipeline to READY */
if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING)
{
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
was_playing = TRUE;
}
/* Getting needed objects */
vis_thread = g_hash_table_lookup (play->elements, "vis_thread");
if (!GST_IS_ELEMENT (vis_thread))
return FALSE;
old_vis_element = g_hash_table_lookup (play->elements, "vis_element");
if (!GST_IS_ELEMENT (old_vis_element))
return FALSE;
vis_queue = g_hash_table_lookup (play->elements, "vis_queue");
if (!GST_IS_ELEMENT (vis_queue))
return FALSE;
video_switch = g_hash_table_lookup (play->elements, "video_switch");
if (!GST_IS_ELEMENT (video_switch))
return FALSE;
/* Unlinking, removing the old element then adding and linking the new one */
gst_element_unlink (vis_queue, old_vis_element);
gst_element_unlink (old_vis_element, video_switch);
gst_bin_remove (GST_BIN (vis_thread), old_vis_element);
gst_bin_add (GST_BIN (vis_thread), vis_element);
gst_element_link (vis_queue, vis_element);
gst_element_link (vis_element, video_switch);
if (was_playing)
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING);
return TRUE;
}
/**
* gst_play_connect_visualization:
* @play: a #GstPlay.
* @connect: a #gboolean indicating wether or not
* visualization should be connected.
*
* Connect or disconnect visualization bin in @play.
*
* Returns: TRUE if call succeeded.
*/
gboolean
gst_play_connect_visualization (GstPlay * play, gboolean connect)
{
GstPad *audio_tee_pad2, *vis_thread_pad;
gboolean connected = FALSE, was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
vis_thread_pad = g_hash_table_lookup (play->elements, "vis_thread_pad");
if (!GST_IS_PAD (vis_thread_pad))
return FALSE;
audio_tee_pad2 = g_hash_table_lookup (play->elements, "audio_tee_pad2");
if (!GST_IS_PAD (audio_tee_pad2))
return FALSE;
if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING)
{
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
was_playing = TRUE;
}
if (gst_pad_get_peer (vis_thread_pad) != NULL)
connected = TRUE;
else
connected = FALSE;
if ((connect) && (!connected))
{
gst_pad_link (audio_tee_pad2, vis_thread_pad);
}
else if ((!connect) && (connected))
{
gst_pad_unlink (audio_tee_pad2, vis_thread_pad);
}
if (was_playing)
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING);
return TRUE;
}
@ -809,38 +986,9 @@ gst_play_get_type (void)
(GInstanceInitFunc) gst_play_init,
NULL
};
static const GInterfaceInfo iface_info = {
(GInterfaceInitFunc) gst_play_interface_init,
NULL,
NULL,
};
static const GInterfaceInfo navigation_info = {
(GInterfaceInitFunc) gst_play_navigation_init,
NULL,
NULL,
};
static const GInterfaceInfo overlay_info = {
(GInterfaceInitFunc) gst_play_xoverlay_init,
NULL,
NULL,
};
static const GInterfaceInfo mixer_info = {
(GInterfaceInitFunc) gst_play_mixer_init,
NULL,
NULL,
};
play_type = g_type_register_static (GST_TYPE_PIPELINE, "GstPlay",
&play_info, 0);
g_type_add_interface_static (play_type, GST_TYPE_INTERFACE,
&iface_info);
g_type_add_interface_static (play_type, GST_TYPE_NAVIGATION,
&navigation_info);
g_type_add_interface_static (play_type, GST_TYPE_X_OVERLAY,
&overlay_info);
g_type_add_interface_static (play_type, GST_TYPE_MIXER,
&mixer_info);
}
return play_type;

View file

@ -50,6 +50,11 @@ struct _GstPlay
gint64 time_nanos;
gint64 length_nanos;
gint get_length_attempt;
guint tick_id;
guint length_id;
GST_OBJECT_PADDING
};
@ -66,9 +71,7 @@ struct _GstPlayClass
GType gst_play_get_type (void);
GstPlay * gst_play_new (void);
GstElement * gst_play_get_sink_element (GstPlay *play,
GstElement *element,
GstPlaySinkType sink_type);
gboolean gst_play_set_data_src (GstPlay *play,
GstElement *data_src);
gboolean gst_play_set_video_sink (GstPlay *play,
@ -87,5 +90,9 @@ char * gst_play_get_location (GstPlay *play);
gboolean gst_play_seek_to_time (GstPlay *play,
gint64 time_nanos);
GstElement * gst_play_get_sink_element (GstPlay *play,
GstElement *element,
GstPlaySinkType sink_type);
#endif /* __GST_PLAY_H__ */

View file

@ -23,10 +23,6 @@
#include "gstplay.h"
#include <gst/xoverlay/xoverlay.h>
#include <gst/navigation/navigation.h>
#include <gst/mixer/mixer.h>
enum
{
TIME_TICK,
@ -49,7 +45,7 @@ static gboolean
gst_play_pipeline_setup (GstPlay *play)
{
GstElement *work_thread, *video_thread;
GstElement *source, *autoplugger;
GstElement *source, *autoplugger, *video_switch;
GstElement *video_queue, *video_colorspace, *video_scaler, *video_sink;
GstElement *audio_thread, *audio_queue, *audio_volume, *audio_sink;
GstElement *audio_tee, *vis_thread, *vis_queue, *vis_element;
@ -58,8 +54,8 @@ gst_play_pipeline_setup (GstPlay *play)
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
work_thread = gst_thread_new ("work_thread");
if (!GST_IS_THREAD (work_thread))
work_thread = gst_element_factory_make ("thread", "work_thread");
if (!GST_IS_ELEMENT (work_thread))
return FALSE;
g_hash_table_insert (play->elements, "work_thread", work_thread);
@ -83,8 +79,8 @@ gst_play_pipeline_setup (GstPlay *play)
/* Creating our video output bin
{ queue ! colorspace ! videoscale ! fakesink } */
video_thread = gst_thread_new ("video_thread");
if (!GST_IS_THREAD (video_thread))
video_thread = gst_element_factory_make ("thread", "video_thread");
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
g_hash_table_insert (play->elements, "video_thread", video_thread);
@ -130,13 +126,23 @@ gst_play_pipeline_setup (GstPlay *play)
gst_element_get_pad (video_queue, "sink"),
"sink");
/* Connecting video output to autoplugger */
gst_element_link (autoplugger, video_thread);
video_switch = gst_element_factory_make ("videoswitch",
"video_switch");
if (!GST_IS_ELEMENT (video_switch))
return FALSE;
g_hash_table_insert (play->elements, "video_switch", video_switch);
gst_bin_add (GST_BIN (work_thread), video_switch);
/* Connecting autoplugger to video switch and video switch to video output */
gst_element_link (autoplugger, video_switch);
gst_element_link (video_switch, video_thread);
/* Creating our audio output bin
{ queue ! volume ! tee ! { queue ! goom } ! fakesink } */
audio_thread = gst_thread_new ("audio_thread");
if (!GST_IS_THREAD (audio_thread))
audio_thread = gst_element_factory_make ("thread", "audio_thread");
if (!GST_IS_ELEMENT (audio_thread))
return FALSE;
g_hash_table_insert (play->elements, "audio_thread", audio_thread);
@ -177,8 +183,8 @@ gst_play_pipeline_setup (GstPlay *play)
g_hash_table_insert (play->elements, "audio_sink", audio_sink);
/* Visualization thread */
vis_thread = gst_thread_new ("vis_thread");
if (!GST_IS_THREAD (vis_thread))
vis_thread = gst_element_factory_make ("thread", "vis_thread");
if (!GST_IS_ELEMENT (vis_thread))
return FALSE;
g_hash_table_insert (play->elements, "vis_thread", vis_thread);
@ -236,7 +242,12 @@ gst_play_tick_callback (GstPlay *play)
GstClock *clock = NULL;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
if (!GST_IS_PLAY (play))
{
play->tick_id = 0;
return FALSE;
}
clock = gst_bin_get_clock (GST_BIN (play));
play->time_nanos = gst_clock_get_time (clock);
@ -244,7 +255,63 @@ gst_play_tick_callback (GstPlay *play)
g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK],
0,play->time_nanos);
return (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING);
if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING)
return TRUE;
else
{
play->tick_id = 0;
return FALSE;
}
}
static gboolean
gst_play_get_length_callback (GstPlay *play)
{
GstElement *audio_sink_element, *video_sink_element;
GstFormat format = GST_FORMAT_TIME;
gint64 value;
gboolean q = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
/* We try to get length from all real sink elements */
audio_sink_element = g_hash_table_lookup (play->elements,
"audio_sink_element");
video_sink_element = g_hash_table_lookup (play->elements,
"video_sink_element");
if (!GST_IS_ELEMENT (audio_sink_element) &&
!GST_IS_ELEMENT (video_sink_element))
{
play->length_id = 0;
return FALSE;
}
/* Audio first and then Video */
q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format, &value);
if (!q)
q = gst_element_query (video_sink_element, GST_QUERY_TOTAL, &format,
&value);
if (q)
{
play->length_nanos = value;
g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH],
0,play->length_nanos);
play->length_id = 0;
return FALSE;
}
play->get_length_attempt++;
/* We try 16 times */
if (play->get_length_attempt > 15)
{
play->length_id = 0;
return FALSE;
}
else
return TRUE;
}
static void
@ -260,69 +327,32 @@ gst_play_state_change (GstElement *element, GstElementState old,
if (state == GST_STATE_PLAYING)
{
g_timeout_add (200, (GSourceFunc) gst_play_tick_callback, play);
if (play->tick_id)
{
g_source_remove (play->tick_id);
play->tick_id = 0;
}
play->tick_id = g_timeout_add (200, (GSourceFunc) gst_play_tick_callback,
play);
play->get_length_attempt = 0;
if (play->length_id)
{
g_source_remove (play->length_id);
play->length_id = 0;
}
play->length_id = g_timeout_add (200,
(GSourceFunc) gst_play_get_length_callback,
play);
}
if (GST_ELEMENT_CLASS (parent_class)->state_change)
GST_ELEMENT_CLASS (parent_class)->state_change (element, old, state);
}
/* =========================================== */
/* */
/* Interfaces */
/* */
/* =========================================== */
static gboolean
gst_play_interface_supported (GstInterface *iface, GType type)
{
g_assert (type == GST_TYPE_NAVIGATION ||
type == GST_TYPE_X_OVERLAY ||
type == GST_TYPE_MIXER);
return TRUE;
}
static void
gst_play_interface_init (GstInterfaceClass *klass)
{
klass->supported = gst_play_interface_supported;
}
static void
gst_play_navigation_send_event (GstNavigation *navigation,
GstStructure *structure)
{
}
static void
gst_play_navigation_init (GstNavigationInterface *iface)
{
iface->send_event = gst_play_navigation_send_event;
}
static void
gst_play_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
{
}
static void
gst_play_xoverlay_init (GstXOverlayClass *iface)
{
iface->set_xwindow_id = gst_play_set_xwindow_id;
}
static void
gst_play_mixer_init (GstMixerClass *klass)
{
klass->list_tracks = NULL;
klass->set_volume = NULL;
klass->get_volume = NULL;
klass->set_mute = NULL;
klass->set_record = NULL;
}
/* =========================================== */
/* */
/* Init & Dispose & Class init */
@ -338,6 +368,18 @@ gst_play_dispose (GObject *object)
g_return_if_fail (GST_IS_PLAY (object));
play = GST_PLAY (object);
if (play->length_id)
{
g_source_remove (play->length_id);
play->length_id = 0;
}
if (play->tick_id)
{
g_source_remove (play->tick_id);
play->tick_id = 0;
}
if (play->location)
{
@ -427,13 +469,13 @@ gst_play_set_location (GstPlay *play, const char *location)
gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
work_thread = g_hash_table_lookup (play->elements, "work_thread");
if (!GST_IS_THREAD (work_thread))
if (!GST_IS_ELEMENT (work_thread))
return FALSE;
video_thread = g_hash_table_lookup (play->elements, "video_thread");
if (!GST_IS_THREAD (video_thread))
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
audio_thread = g_hash_table_lookup (play->elements, "audio_thread");
if (!GST_IS_THREAD (audio_thread))
if (!GST_IS_ELEMENT (audio_thread))
return FALSE;
source = g_hash_table_lookup (play->elements, "source");
if (!GST_IS_ELEMENT (source))
@ -498,9 +540,31 @@ gst_play_get_location (GstPlay *play)
gboolean
gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
{
GstElement *audio_sink_element;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
if (time_nanos < 0LL)
time_nanos = 0LL;
audio_sink_element = g_hash_table_lookup (play->elements,
"audio_sink_element");
if (GST_IS_ELEMENT (audio_sink_element))
{
gboolean s = FALSE;
GstClock *clock = gst_bin_get_clock (GST_BIN (play));
s = gst_element_seek (audio_sink_element, GST_FORMAT_TIME |
GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH,
time_nanos);
if (s)
{
play->time_nanos = gst_clock_get_time (clock);
g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK],
0,play->time_nanos);
}
}
return TRUE;
}
@ -527,7 +591,7 @@ gst_play_set_data_src (GstPlay *play, GstElement *data_src)
/* Getting needed objects */
work_thread = g_hash_table_lookup (play->elements, "work_thread");
if (!GST_IS_THREAD (work_thread))
if (!GST_IS_ELEMENT (work_thread))
return FALSE;
old_data_src = g_hash_table_lookup (play->elements, "source");
if (!GST_IS_ELEMENT (old_data_src))
@ -572,7 +636,7 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink)
/* Getting needed objects */
video_thread = g_hash_table_lookup (play->elements, "video_thread");
if (!GST_IS_THREAD (video_thread))
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
old_video_sink = g_hash_table_lookup (play->elements, "video_sink");
if (!GST_IS_ELEMENT (old_video_sink))
@ -616,7 +680,7 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink)
gboolean
gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
{
GstElement *old_audio_sink, *audio_thread;
GstElement *old_audio_sink, *audio_thread, *audio_sink_element;
GstPad *audio_tee_pad1, *audio_sink_pad, *old_audio_sink_pad;
g_return_val_if_fail (play != NULL, FALSE);
@ -635,7 +699,7 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
if (!GST_IS_PAD (old_audio_sink_pad))
return FALSE;
audio_thread = g_hash_table_lookup (play->elements, "audio_thread");
if (!GST_IS_THREAD (audio_thread))
if (!GST_IS_ELEMENT (audio_thread))
return FALSE;
audio_tee_pad1 = g_hash_table_lookup (play->elements, "audio_tee_pad1");
if (!GST_IS_PAD (audio_tee_pad1))
@ -654,6 +718,119 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
g_hash_table_replace (play->elements, "audio_sink", audio_sink);
g_hash_table_replace (play->elements, "audio_sink_pad", audio_sink_pad);
audio_sink_element = gst_play_get_sink_element (play, audio_sink,
GST_PLAY_SINK_TYPE_AUDIO);
if (GST_IS_ELEMENT (audio_sink_element))
{
g_hash_table_replace (play->elements, "audio_sink_element",
audio_sink_element);
}
return TRUE;
}
/**
* gst_play_set_visualization:
* @play: a #GstPlay.
* @element: a #GstElement.
*
* Set @video_sink as the video sink element of @play.
*
* Returns: TRUE if call succeeded.
*/
gboolean
gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
{
GstElement *old_vis_element, *vis_thread, *vis_queue, *video_switch;
gboolean was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
/* We bring back the pipeline to READY */
if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING)
{
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
was_playing = TRUE;
}
/* Getting needed objects */
vis_thread = g_hash_table_lookup (play->elements, "vis_thread");
if (!GST_IS_ELEMENT (vis_thread))
return FALSE;
old_vis_element = g_hash_table_lookup (play->elements, "vis_element");
if (!GST_IS_ELEMENT (old_vis_element))
return FALSE;
vis_queue = g_hash_table_lookup (play->elements, "vis_queue");
if (!GST_IS_ELEMENT (vis_queue))
return FALSE;
video_switch = g_hash_table_lookup (play->elements, "video_switch");
if (!GST_IS_ELEMENT (video_switch))
return FALSE;
/* Unlinking, removing the old element then adding and linking the new one */
gst_element_unlink (vis_queue, old_vis_element);
gst_element_unlink (old_vis_element, video_switch);
gst_bin_remove (GST_BIN (vis_thread), old_vis_element);
gst_bin_add (GST_BIN (vis_thread), vis_element);
gst_element_link (vis_queue, vis_element);
gst_element_link (vis_element, video_switch);
if (was_playing)
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING);
return TRUE;
}
/**
* gst_play_connect_visualization:
* @play: a #GstPlay.
* @connect: a #gboolean indicating wether or not
* visualization should be connected.
*
* Connect or disconnect visualization bin in @play.
*
* Returns: TRUE if call succeeded.
*/
gboolean
gst_play_connect_visualization (GstPlay * play, gboolean connect)
{
GstPad *audio_tee_pad2, *vis_thread_pad;
gboolean connected = FALSE, was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
vis_thread_pad = g_hash_table_lookup (play->elements, "vis_thread_pad");
if (!GST_IS_PAD (vis_thread_pad))
return FALSE;
audio_tee_pad2 = g_hash_table_lookup (play->elements, "audio_tee_pad2");
if (!GST_IS_PAD (audio_tee_pad2))
return FALSE;
if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING)
{
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
was_playing = TRUE;
}
if (gst_pad_get_peer (vis_thread_pad) != NULL)
connected = TRUE;
else
connected = FALSE;
if ((connect) && (!connected))
{
gst_pad_link (audio_tee_pad2, vis_thread_pad);
}
else if ((!connect) && (connected))
{
gst_pad_unlink (audio_tee_pad2, vis_thread_pad);
}
if (was_playing)
gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING);
return TRUE;
}
@ -809,38 +986,9 @@ gst_play_get_type (void)
(GInstanceInitFunc) gst_play_init,
NULL
};
static const GInterfaceInfo iface_info = {
(GInterfaceInitFunc) gst_play_interface_init,
NULL,
NULL,
};
static const GInterfaceInfo navigation_info = {
(GInterfaceInitFunc) gst_play_navigation_init,
NULL,
NULL,
};
static const GInterfaceInfo overlay_info = {
(GInterfaceInitFunc) gst_play_xoverlay_init,
NULL,
NULL,
};
static const GInterfaceInfo mixer_info = {
(GInterfaceInitFunc) gst_play_mixer_init,
NULL,
NULL,
};
play_type = g_type_register_static (GST_TYPE_PIPELINE, "GstPlay",
&play_info, 0);
g_type_add_interface_static (play_type, GST_TYPE_INTERFACE,
&iface_info);
g_type_add_interface_static (play_type, GST_TYPE_NAVIGATION,
&navigation_info);
g_type_add_interface_static (play_type, GST_TYPE_X_OVERLAY,
&overlay_info);
g_type_add_interface_static (play_type, GST_TYPE_MIXER,
&mixer_info);
}
return play_type;

View file

@ -50,6 +50,11 @@ struct _GstPlay
gint64 time_nanos;
gint64 length_nanos;
gint get_length_attempt;
guint tick_id;
guint length_id;
GST_OBJECT_PADDING
};
@ -66,9 +71,7 @@ struct _GstPlayClass
GType gst_play_get_type (void);
GstPlay * gst_play_new (void);
GstElement * gst_play_get_sink_element (GstPlay *play,
GstElement *element,
GstPlaySinkType sink_type);
gboolean gst_play_set_data_src (GstPlay *play,
GstElement *data_src);
gboolean gst_play_set_video_sink (GstPlay *play,
@ -87,5 +90,9 @@ char * gst_play_get_location (GstPlay *play);
gboolean gst_play_seek_to_time (GstPlay *play,
gint64 time_nanos);
GstElement * gst_play_get_sink_element (GstPlay *play,
GstElement *element,
GstPlaySinkType sink_type);
#endif /* __GST_PLAY_H__ */