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mutter/clutter/clutter-video-texture.c
Matthew Allum 342ea125f1 Merge gobject-branch into trunk
2006-05-29 08:59:36 +00:00

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/* Heavily based on totems bacon-video-widget .. */
#include "clutter-video-texture.h"
#include "clutter-main.h"
#include "clutter-private.h" /* for DBG */
#include "clutter-marshal.h"
#include <gst/gst.h>
#include <gst/video/gstvideosink.h>
#include <gst/audio/gstbaseaudiosink.h>
#include <GL/glx.h>
#include <GL/gl.h>
#include <glib.h>
static void
got_time_tick (GstElement *play,
gint64 time_nanos,
ClutterVideoTexture *video_texture);
static void
stop_play_pipeline (ClutterVideoTexture *video_texture);
G_DEFINE_TYPE (ClutterVideoTexture, \
clutter_video_texture, \
CLUTTER_TYPE_TEXTURE);
enum
{
SIGNAL_ERROR,
SIGNAL_EOS,
SIGNAL_REDIRECT,
SIGNAL_TITLE_CHANGE,
SIGNAL_CHANNELS_CHANGE,
SIGNAL_TICK,
SIGNAL_GOT_METADATA,
SIGNAL_BUFFERING,
SIGNAL_SPEED_WARNING,
LAST_SIGNAL
};
/* Properties */
enum
{
PROP_0,
PROP_POSITION,
PROP_CURRENT_TIME,
PROP_STREAM_LENGTH,
PROP_PLAYING,
PROP_SEEKABLE,
};
struct ClutterVideoTexturePrivate
{
GstElement *play, *video_sink, *audio_sink;
gboolean has_video, has_audio;
gint64 stream_length;
gint64 current_time_nanos;
gint64 current_time;
float current_position;
gchar *mrl;
gboolean got_redirect;
gint eos_id;
guint update_id;
GstTagList *tagcache, *audiotags, *videotags;
const GValue *movie_par; /* Movie pixel aspect ratio */
gint video_fps_d, video_fps_n;
gint video_width, video_height;
ClutterVideoTextureAspectRatio ratio_type;
GstMessageType ignore_messages_mask;
GstBus *bus;
gulong sig_bus_async;
};
static int cvt_signals[LAST_SIGNAL] = { 0 };
GQuark
clutter_video_texture_error_quark (void)
{
return g_quark_from_static_string ("clutter-video-texture-error-quark");
}
/* This is a hack to avoid doing poll_for_state_change() indirectly
* from the bus message callback (via EOS => totem => close => wait for READY)
* and deadlocking there. We need something like a
* gst_bus_set_auto_flushing(bus, FALSE) ... */
static gboolean
signal_eos_delayed (gpointer user_data)
{
ClutterVideoTexture *video_texture = (ClutterVideoTexture*)user_data;
g_signal_emit (video_texture, cvt_signals[SIGNAL_EOS], 0, NULL);
video_texture->priv->eos_id = 0;
return FALSE;
}
static gboolean
query_timeout (ClutterVideoTexture *video_texture)
{
ClutterVideoTexturePrivate *priv;
GstFormat fmt = GST_FORMAT_TIME;
gint64 prev_len = -1, pos = -1, len = -1;
priv = video_texture->priv;
/* check length/pos of stream */
prev_len = priv->stream_length;
if (gst_element_query_duration (priv->play, &fmt, &len))
{
if (len != -1 && fmt == GST_FORMAT_TIME)
{
priv->stream_length = len / GST_MSECOND;
if (priv->stream_length != prev_len)
{
g_signal_emit (video_texture,
cvt_signals[SIGNAL_GOT_METADATA], 0, NULL);
}
}
}
else
{
CLUTTER_DBG ("could not get duration");
}
if (gst_element_query_position (priv->play, &fmt, &pos))
{
if (pos != -1 && fmt == GST_FORMAT_TIME)
{
got_time_tick (GST_ELEMENT (priv->play), pos, video_texture);
}
}
else
CLUTTER_DBG ("could not get position");
return TRUE;
}
static void
got_video_size (ClutterVideoTexture *video_texture)
{
GstMessage *msg;
g_return_if_fail (video_texture != NULL);
/* Do we even care about this info as comes from texture sizing ? */
CLUTTER_DBG("%ix%i",
video_texture->priv->video_width,
video_texture->priv->video_height);
msg = gst_message_new_application
(GST_OBJECT (video_texture->priv->play),
gst_structure_new ("video-size",
"width", G_TYPE_INT,
video_texture->priv->video_width,
"height", G_TYPE_INT,
video_texture->priv->video_height, NULL));
gst_element_post_message (video_texture->priv->play, msg);
}
static void
caps_set (GObject *obj,
GParamSpec *pspec,
ClutterVideoTexture *video_texture)
{
ClutterVideoTexturePrivate *priv;
GstPad *pad = GST_PAD (obj);
GstStructure *s;
GstCaps *caps;
priv = video_texture->priv;
if (!(caps = gst_pad_get_negotiated_caps (pad)))
return;
/* Get video decoder caps */
s = gst_caps_get_structure (caps, 0);
/* Again do we even need this - sizing info from texture signal.. */
if (s)
{
/* We need at least width/height and framerate */
if (!(gst_structure_get_fraction (s, "framerate",
&priv->video_fps_n,
&priv->video_fps_d)
&&
gst_structure_get_int (s, "width", &priv->video_width) &&
gst_structure_get_int (s, "height", &priv->video_height)))
return;
/* Get the movie PAR if available */
priv->movie_par = gst_structure_get_value (s, "pixel-aspect-ratio");
/* Now set for real */
clutter_video_texture_set_aspect_ratio (video_texture, priv->ratio_type);
}
gst_caps_unref (caps);
}
static void
parse_stream_info (ClutterVideoTexture *video_texture)
{
ClutterVideoTexturePrivate *priv;
GList *streaminfo = NULL;
GstPad *videopad = NULL;
priv = video_texture->priv;
g_object_get (priv->play, "stream-info", &streaminfo, NULL);
streaminfo = g_list_copy (streaminfo);
g_list_foreach (streaminfo, (GFunc) g_object_ref, NULL);
for ( ; streaminfo != NULL; streaminfo = streaminfo->next)
{
GObject *info = streaminfo->data;
gint type;
GParamSpec *pspec;
GEnumValue *val;
if (!info)
continue;
g_object_get (info, "type", &type, NULL);
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (info), "type");
val = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, type);
if (!g_strcasecmp (val->value_nick, "audio"))
{
priv->has_audio = TRUE;
}
else if (!g_strcasecmp (val->value_nick, "video"))
{
priv->has_video = TRUE;
if (!videopad)
g_object_get (info, "object", &videopad, NULL);
}
}
if (videopad)
{
GstCaps *caps;
if ((caps = gst_pad_get_negotiated_caps (videopad)))
{
caps_set (G_OBJECT (videopad), NULL, video_texture);
gst_caps_unref (caps);
}
g_signal_connect (videopad, "notify::caps",
G_CALLBACK (caps_set), video_texture);
}
g_list_foreach (streaminfo, (GFunc) g_object_unref, NULL);
g_list_free (streaminfo);
}
static void
handle_element_message (ClutterVideoTexture *video_texture, GstMessage *msg)
{
const gchar *type_name = NULL;
gchar *src_name;
CLUTTER_MARK();
src_name = gst_object_get_name (msg->src);
if (msg->structure)
type_name = gst_structure_get_name (msg->structure);
if (type_name == NULL)
goto unhandled;
if (strcmp (type_name, "redirect") == 0)
{
const gchar *new_location;
new_location = gst_structure_get_string (msg->structure, "new-location");
CLUTTER_DBG ("Got redirect to '%s'", GST_STR_NULL (new_location));
if (new_location && *new_location)
{
g_signal_emit (video_texture,
cvt_signals[SIGNAL_REDIRECT],
0,
new_location);
goto done;
}
}
unhandled:
CLUTTER_DBG ("Unhandled element message '%s' from element '%s'",
GST_STR_NULL (type_name), src_name);
done:
g_free (src_name);
}
static void
handle_application_message (ClutterVideoTexture *video_texture,
GstMessage *msg)
{
const gchar *msg_name;
msg_name = gst_structure_get_name (msg->structure);
g_return_if_fail (msg_name != NULL);
CLUTTER_DBG ("Handling application message");
if (strcmp (msg_name, "notify-streaminfo") == 0)
{
g_signal_emit (video_texture, cvt_signals[SIGNAL_GOT_METADATA], 0, NULL);
g_signal_emit (video_texture, cvt_signals[SIGNAL_CHANNELS_CHANGE], 0);
}
else if (strcmp (msg_name, "video-size") == 0)
{
g_signal_emit (video_texture, cvt_signals[SIGNAL_GOT_METADATA], 0, NULL);
CLUTTER_DBG("Got video size");
}
else
CLUTTER_DBG ("Unhandled application message %s", msg_name);
}
static void
bus_message_cb (GstBus *bus, GstMessage *message, gpointer data)
{
ClutterVideoTexturePrivate *priv;
ClutterVideoTexture *video_texture = (ClutterVideoTexture*)data;
GstMessageType msg_type;
g_return_if_fail (video_texture != NULL);
g_return_if_fail (CLUTTER_IS_VIDEO_TEXTURE(video_texture));
priv = video_texture->priv;
msg_type = GST_MESSAGE_TYPE (message);
/* somebody else is handling the message,
probably in poll_for_state_change */
if (priv->ignore_messages_mask & msg_type)
{
gchar *src_name = gst_object_get_name (message->src);
CLUTTER_DBG ("Ignoring %s message from element %s as requested",
gst_message_type_get_name (msg_type), src_name);
g_free (src_name);
return;
}
if (msg_type != GST_MESSAGE_STATE_CHANGED && clutter_want_debug())
{
gchar *src_name = gst_object_get_name (message->src);
CLUTTER_DBG ("Handling %s message from element %s",
gst_message_type_get_name (msg_type), src_name);
g_free (src_name);
}
switch (msg_type)
{
case GST_MESSAGE_ERROR:
{
GError *error = NULL;
gchar *debug = NULL;
gst_message_parse_error (message, &error, &debug);
CLUTTER_DBG ("Error message: %s [%s]",
GST_STR_NULL (error->message),
GST_STR_NULL (debug));
g_signal_emit (video_texture,
cvt_signals[SIGNAL_ERROR],
0,
error->message,
TRUE,
FALSE);
g_error_free (error);
if (priv->play)
gst_element_set_state (priv->play, GST_STATE_NULL);
g_free (debug);
break;
}
case GST_MESSAGE_WARNING:
{
GError *error = NULL;
gchar *debug = NULL;
gst_message_parse_warning (message, &error, &debug);
g_warning ("%s [%s]",
GST_STR_NULL (error->message),
GST_STR_NULL (debug));
g_error_free (error);
g_free (debug);
break;
}
case GST_MESSAGE_TAG:
{
GstTagList *tag_list, *result;
GstElementFactory *f;
gst_message_parse_tag (message, &tag_list);
CLUTTER_DBG ("Tags: %p", tag_list);
/* all tags */
result = gst_tag_list_merge (priv->tagcache,
tag_list,
GST_TAG_MERGE_KEEP);
if (priv->tagcache)
gst_tag_list_free (priv->tagcache);
priv->tagcache = result;
/* media-type-specific tags */
if (GST_IS_ELEMENT (message->src) &&
(f = gst_element_get_factory (GST_ELEMENT (message->src))))
{
const gchar *klass = gst_element_factory_get_klass (f);
GstTagList **cache = NULL;
if (g_strrstr (klass, "Video"))
{
cache = &priv->videotags;
}
else if (g_strrstr (klass, "Audio"))
{
cache = &priv->audiotags;
}
if (cache)
{
result = gst_tag_list_merge (*cache, tag_list,
GST_TAG_MERGE_KEEP);
if (*cache)
gst_tag_list_free (*cache);
*cache = result;
}
}
gst_tag_list_free (tag_list);
g_signal_emit (video_texture, cvt_signals[SIGNAL_GOT_METADATA], 0);
break;
}
case GST_MESSAGE_EOS:
CLUTTER_DBG ("GST_MESSAGE_EOS");
if (priv->eos_id == 0)
priv->eos_id = g_idle_add (signal_eos_delayed, video_texture);
break;
case GST_MESSAGE_BUFFERING:
{
gint percent = 0;
gst_structure_get_int (message->structure, "buffer-percent", &percent);
CLUTTER_DBG ("Buffering message (%u%%)", percent);
g_signal_emit (video_texture,
cvt_signals[SIGNAL_BUFFERING],
0,
percent);
break;
}
case GST_MESSAGE_APPLICATION:
handle_application_message (video_texture, message);
break;
case GST_MESSAGE_STATE_CHANGED:
{
GstState old_state, new_state;
gchar *src_name;
CLUTTER_DBG ("GST_MESSAGE_STATE_CHANGED");
gst_message_parse_state_changed (message,
&old_state, &new_state, NULL);
if (old_state == new_state)
break;
/* we only care about playbin (pipeline) state changes */
if (GST_MESSAGE_SRC (message) != GST_OBJECT (priv->play))
break;
src_name = gst_object_get_name (message->src);
CLUTTER_DBG ("%s changed state from %s to %s", src_name,
gst_element_state_get_name (old_state),
gst_element_state_get_name (new_state));
g_free (src_name);
if (new_state <= GST_STATE_PAUSED)
{
if (priv->update_id != 0)
{
CLUTTER_DBG ("removing tick timeout");
g_source_remove (priv->update_id);
priv->update_id = 0;
}
}
else if (new_state > GST_STATE_PAUSED)
{
if (priv->update_id == 0)
{
CLUTTER_DBG ("starting tick timeout");
priv->update_id = g_timeout_add (200,
(GSourceFunc) query_timeout,
video_texture);
}
}
if (old_state == GST_STATE_READY && new_state == GST_STATE_PAUSED)
{
parse_stream_info (video_texture);
}
else if (old_state == GST_STATE_PAUSED && new_state == GST_STATE_READY)
{
priv->has_video = FALSE;
priv->has_audio = FALSE;
/* clean metadata cache */
if (priv->tagcache)
{
gst_tag_list_free (priv->tagcache);
priv->tagcache = NULL;
}
if (priv->audiotags)
{
gst_tag_list_free (priv->audiotags);
priv->audiotags = NULL;
}
if (priv->videotags)
{
gst_tag_list_free (priv->videotags);
priv->videotags = NULL;
}
priv->video_width = 0;
priv->video_height = 0;
}
break;
}
case GST_MESSAGE_ELEMENT:
handle_element_message (video_texture, message);
break;
case GST_MESSAGE_DURATION:
{
CLUTTER_DBG ("GST_MESSAGE_DURATION");
/* force _get_stream_length() to do new duration query */
priv->stream_length = 0;
if (clutter_video_texture_get_stream_length (video_texture) == 0)
CLUTTER_DBG ("Failed to query duration after DURATION message?!");
break;
}
case GST_MESSAGE_CLOCK_PROVIDE:
case GST_MESSAGE_CLOCK_LOST:
case GST_MESSAGE_NEW_CLOCK:
case GST_MESSAGE_STATE_DIRTY:
break;
default:
CLUTTER_DBG ("Unhandled message of type '%s' (0x%x)",
gst_message_type_get_name (msg_type), msg_type);
break;
}
}
static void
got_time_tick (GstElement *play,
gint64 time_nanos,
ClutterVideoTexture *video_texture)
{
gboolean seekable;
ClutterVideoTexturePrivate *priv;
g_return_if_fail (video_texture != NULL);
g_return_if_fail (CLUTTER_IS_VIDEO_TEXTURE(video_texture));
priv = video_texture->priv;
priv->current_time_nanos = time_nanos;
priv->current_time = (gint64) time_nanos / GST_MSECOND;
if (priv->stream_length == 0)
{
priv->current_position = 0;
seekable = clutter_video_texture_is_seekable (video_texture);
}
else
{
priv->current_position =
(gfloat) priv->current_time / priv->stream_length;
seekable = TRUE;
}
g_signal_emit (video_texture,
cvt_signals[SIGNAL_TICK],
0,
priv->current_time,
priv->stream_length,
priv->current_position,
seekable);
}
static void
playbin_got_source (GObject *play,
GParamSpec *pspec,
ClutterVideoTexture *video_texture)
{
/* Called via notify::source on playbin */
ClutterVideoTexturePrivate *priv;
GObject *source = NULL;
priv = video_texture->priv;
if (priv->tagcache)
{
gst_tag_list_free (priv->tagcache);
priv->tagcache = NULL;
}
if (priv->audiotags)
{
gst_tag_list_free (priv->audiotags);
priv->audiotags = NULL;
}
if (priv->videotags)
{
gst_tag_list_free (priv->videotags);
priv->videotags = NULL;
}
g_object_get (play, "source", &source, NULL);
if (!source)
return;
g_object_unref (source);
}
static void
playbin_stream_info_set (GObject *obj,
GParamSpec *pspec,
ClutterVideoTexture *video_texture)
{
ClutterVideoTexturePrivate *priv;
GstMessage *msg;
priv = video_texture->priv;
parse_stream_info (video_texture);
msg = gst_message_new_application (GST_OBJECT (priv->play),
gst_structure_new ("notify-streaminfo",
NULL));
gst_element_post_message (priv->play, msg);
}
static gboolean
poll_for_state_change_full (ClutterVideoTexture *video_texture,
GstElement *element,
GstState state,
GError **error,
gint64 timeout)
{
GstBus *bus;
GstMessageType events, saved_events;
ClutterVideoTexturePrivate *priv;
priv = video_texture->priv;
bus = gst_element_get_bus (element);
saved_events = priv->ignore_messages_mask;
events = GST_MESSAGE_STATE_CHANGED | GST_MESSAGE_ERROR | GST_MESSAGE_EOS;
if (element != NULL && element == priv->play)
{
/* we do want the main handler to process state changed messages for
* playbin as well, otherwise it won't hook up the timeout etc. */
priv->ignore_messages_mask |= (events ^ GST_MESSAGE_STATE_CHANGED);
}
else
priv->ignore_messages_mask |= events;
while (TRUE)
{
GstMessage *message;
GstElement *src;
message = gst_bus_poll (bus, events, timeout);
if (!message)
goto timed_out;
src = (GstElement*)GST_MESSAGE_SRC (message);
switch (GST_MESSAGE_TYPE (message))
{
case GST_MESSAGE_STATE_CHANGED:
{
GstState old, new, pending;
if (src == element)
{
gst_message_parse_state_changed (message,
&old, &new, &pending);
if (new == state)
{
gst_message_unref (message);
goto success;
}
}
}
break;
case GST_MESSAGE_ERROR:
{
gchar *debug = NULL;
GError *gsterror = NULL;
gst_message_parse_error (message, &gsterror, &debug);
g_warning ("Error: %s (%s)", gsterror->message, debug);
gst_message_unref (message);
g_error_free (gsterror);
g_free (debug);
goto error;
}
break;
case GST_MESSAGE_EOS:
g_set_error (error, CLUTTER_VIDEO_TEXTURE_ERROR,
CLUTTER_VIDEO_TEXTURE_ERROR_FILE_GENERIC,
"Media file could not be played.");
gst_message_unref (message);
goto error;
break;
default:
g_assert_not_reached ();
break;
}
gst_message_unref (message);
}
g_assert_not_reached ();
success:
/* state change succeeded */
CLUTTER_DBG ("state change to %s succeeded",
gst_element_state_get_name (state));
priv->ignore_messages_mask = saved_events;
return TRUE;
timed_out:
/* it's taking a long time to open -- just tell totem it was ok, this allows
* the user to stop the loading process with the normal stop button */
CLUTTER_DBG ("state change to %s timed out, returning success and handling "
"errors asynchroneously", gst_element_state_get_name (state));
priv->ignore_messages_mask = saved_events;
return TRUE;
error:
CLUTTER_DBG ("error while waiting for state change to %s: %s",
gst_element_state_get_name (state),
(error && *error) ? (*error)->message : "unknown");
priv->ignore_messages_mask = saved_events;
return FALSE;
}
static gboolean
poll_for_state_change (ClutterVideoTexture *video_texture,
GstElement *element,
GstState state,
GError **error)
{
return poll_for_state_change_full (video_texture,
element,
state,
error,
GST_SECOND/4 );
}
static void
fakesink_handoff_cb (GstElement *fakesrc,
GstBuffer *buffer,
GstPad *pad,
gpointer user_data)
{
GstStructure *structure;
int width, height;
GdkPixbuf *pixb;
structure = gst_caps_get_structure(GST_CAPS(buffer->caps), 0);
gst_structure_get_int(structure, "width", &width);
gst_structure_get_int(structure, "height", &height);
/* FIXME: We really dont want to do this every time as gobject creation
* really need a clutter_texture_set_from_data call ?
*/
pixb = gdk_pixbuf_new_from_data (GST_BUFFER_DATA (buffer),
GDK_COLORSPACE_RGB,
FALSE,
8,
width,
height,
(3 * width + 3) &~ 3,
NULL,
NULL);
if (pixb)
{
clutter_texture_set_pixbuf (CLUTTER_TEXTURE(user_data), pixb);
g_object_unref(G_OBJECT(pixb));
}
}
static void
clutter_video_texture_finalize (GObject *object)
{
ClutterVideoTexture *self;
ClutterVideoTexturePrivate *priv;
self = CLUTTER_VIDEO_TEXTURE(object);
priv = self->priv;
if (priv->bus)
{
/* make bus drop all messages to make sure none of our callbacks is ever
* called again (main loop might be run again to display error dialog) */
gst_bus_set_flushing (priv->bus, TRUE);
if (priv->sig_bus_async)
g_signal_handler_disconnect (priv->bus, priv->sig_bus_async);
gst_object_unref (priv->bus);
priv->bus = NULL;
}
if (priv->mrl)
g_free (priv->mrl);
priv->mrl = NULL;
if (priv->play != NULL && GST_IS_ELEMENT (priv->play))
{
gst_element_set_state (priv->play, GST_STATE_NULL);
gst_object_unref (priv->play);
priv->play = NULL;
}
if (priv->update_id)
{
g_source_remove (priv->update_id);
priv->update_id = 0;
}
if (priv->tagcache)
{
gst_tag_list_free (priv->tagcache);
priv->tagcache = NULL;
}
if (priv->audiotags)
{
gst_tag_list_free (priv->audiotags);
priv->audiotags = NULL;
}
if (priv->videotags)
{
gst_tag_list_free (priv->videotags);
priv->videotags = NULL;
}
if (priv->eos_id != 0)
g_source_remove (priv->eos_id);
g_free (priv);
self->priv = NULL;
G_OBJECT_CLASS (clutter_video_texture_parent_class)->finalize (object);
}
static void
clutter_video_texture_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
clutter_video_texture_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
ClutterVideoTexture *video_texture;
video_texture = CLUTTER_VIDEO_TEXTURE (object);
switch (property_id)
{
case PROP_POSITION:
g_value_set_int64 (value,
clutter_video_texture_get_position (video_texture));
break;
case PROP_STREAM_LENGTH:
g_value_set_int64 (value,
clutter_video_texture_get_stream_length (video_texture));
break;
case PROP_PLAYING:
g_value_set_boolean (value,
clutter_video_texture_is_playing (video_texture));
break;
case PROP_SEEKABLE:
g_value_set_boolean (value,
clutter_video_texture_is_seekable (video_texture));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
clutter_video_texture_class_init (ClutterVideoTextureClass *klass)
{
GObjectClass *object_class;
ClutterElementClass *element_class;
object_class = (GObjectClass*)klass;
element_class = (ClutterElementClass*)klass;
object_class->finalize = clutter_video_texture_finalize;
object_class->set_property = clutter_video_texture_set_property;
object_class->get_property = clutter_video_texture_get_property;
/* Properties */
g_object_class_install_property (object_class, PROP_POSITION,
g_param_spec_int ("position", NULL, NULL,
0, G_MAXINT, 0,
G_PARAM_READABLE));
g_object_class_install_property (object_class, PROP_STREAM_LENGTH,
g_param_spec_int64 ("stream_length", NULL,
NULL, 0, G_MAXINT64, 0,
G_PARAM_READABLE));
g_object_class_install_property (object_class, PROP_PLAYING,
g_param_spec_boolean ("playing", NULL,
NULL, FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class, PROP_SEEKABLE,
g_param_spec_boolean ("seekable", NULL,
NULL, FALSE,
G_PARAM_READABLE));
/* Signals */
cvt_signals[SIGNAL_ERROR] =
g_signal_new ("error",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, error),
NULL, NULL,
clutter_marshal_VOID__STRING_BOOLEAN_BOOLEAN,
G_TYPE_NONE, 3, G_TYPE_STRING,
G_TYPE_BOOLEAN, G_TYPE_BOOLEAN);
cvt_signals[SIGNAL_EOS] =
g_signal_new ("eos",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, eos),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
cvt_signals[SIGNAL_GOT_METADATA] =
g_signal_new ("got-metadata",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, got_metadata),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
cvt_signals[SIGNAL_REDIRECT] =
g_signal_new ("got-redirect",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, got_redirect),
NULL, NULL, g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_STRING);
cvt_signals[SIGNAL_TITLE_CHANGE] =
g_signal_new ("title-change",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, title_change),
NULL, NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_STRING);
cvt_signals[SIGNAL_CHANNELS_CHANGE] =
g_signal_new ("channels-change",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, channels_change),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
cvt_signals[SIGNAL_TICK] =
g_signal_new ("tick",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, tick),
NULL, NULL,
clutter_marshal_VOID__INT64_INT64_FLOAT_BOOLEAN,
G_TYPE_NONE, 4, G_TYPE_INT64, G_TYPE_INT64, G_TYPE_FLOAT,
G_TYPE_BOOLEAN);
cvt_signals[SIGNAL_BUFFERING] =
g_signal_new ("buffering",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, buffering),
NULL, NULL,
g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
cvt_signals[SIGNAL_SPEED_WARNING] =
g_signal_new ("speed-warning",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterVideoTextureClass, speed_warning),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
clutter_video_texture_init (ClutterVideoTexture *video_texture)
{
ClutterVideoTexturePrivate *priv;
GstElement *audio_sink, *video_sink, *bin, *capsfilter;
GstCaps *filtercaps;
GstPad *ghost_pad;
priv = g_new0 (ClutterVideoTexturePrivate, 1);
video_texture->priv = priv;
priv->ratio_type = CLUTTER_VIDEO_TEXTURE_AUTO;
priv->play = gst_element_factory_make ("playbin", "play");
if (!priv->play)
{
g_warning ("Could not create element 'playbin'");
return;
}
priv->bus = gst_element_get_bus (priv->play);
gst_bus_add_signal_watch (priv->bus);
priv->sig_bus_async = g_signal_connect (priv->bus,
"message",
G_CALLBACK (bus_message_cb),
video_texture);
audio_sink = gst_element_factory_make ("gconfaudiosink", "audio-sink");
if (audio_sink == NULL)
{
g_warning ("Could not create element 'gconfaudiosink' trying autosink");
audio_sink = gst_element_factory_make ("autoaudiosink", "audio-sink");
if (audio_sink == NULL)
{
g_warning ("Could not create element 'autoaudiosink' "
"trying fakesink");
audio_sink = gst_element_factory_make ("fakesink",
"audio-fake-sink");
if (audio_sink == NULL)
{
g_warning ("Could not create element 'fakesink' for audio, giving up. ");
}
}
}
priv->audio_sink = audio_sink;
video_sink = gst_element_factory_make ("fakesink", "fakesink");
if (video_sink == NULL)
{
g_warning ("Could not create element 'fakesink' for video playback");
return;
}
bin = gst_bin_new ("video-bin");
capsfilter = gst_element_factory_make ("capsfilter", "vfilter");
filtercaps
= gst_caps_new_simple("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24,
"depth", G_TYPE_INT, 24,
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"red_mask", G_TYPE_INT, 0xff0000 /* >> 8 for 24bpp */,
"green_mask", G_TYPE_INT, 0xff00,
"blue_mask", G_TYPE_INT, 0xff,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"framerate", GST_TYPE_FRACTION_RANGE,
0, 1, G_MAXINT, 1,
NULL);
g_object_set(G_OBJECT(capsfilter), "caps", filtercaps, NULL);
gst_bin_add(GST_BIN(bin), capsfilter);
gst_bin_add(GST_BIN(bin), video_sink);
gst_element_link (capsfilter, video_sink);
ghost_pad = gst_ghost_pad_new ("sink",
gst_element_get_pad (capsfilter, "sink"));
gst_element_add_pad (bin, ghost_pad);
g_object_set (G_OBJECT(video_sink),
"signal-handoffs", TRUE,
"sync", TRUE,
NULL);
g_signal_connect(G_OBJECT (video_sink), "handoff",
G_CALLBACK(fakesink_handoff_cb), video_texture);
priv->video_sink = bin;
if (priv->video_sink)
g_object_set (priv->play, "video-sink", bin, NULL);
if (priv->audio_sink)
g_object_set (priv->play, "audio-sink", audio_sink, NULL);
g_signal_connect (priv->play, "notify::source",
G_CALLBACK (playbin_got_source), video_texture);
g_signal_connect (priv->play, "notify::stream-info",
G_CALLBACK (playbin_stream_info_set), video_texture);
return;
}
ClutterElement*
clutter_video_texture_new (void)
{
ClutterVideoTexture *video_texture;
video_texture = g_object_new (CLUTTER_TYPE_VIDEO_TEXTURE,
"tiled", FALSE,
"pixel-format", GL_RGB,
NULL);
return CLUTTER_ELEMENT(video_texture);
}
gboolean
clutter_video_texture_open (ClutterVideoTexture *video_texture,
const gchar *mrl,
const gchar *subtitle_uri,
GError **error)
{
ClutterVideoTexturePrivate *priv;
gboolean ret;
priv = video_texture->priv;
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (mrl != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE(video_texture), FALSE);
g_return_val_if_fail (priv->play != NULL, FALSE);
if (priv->mrl && strcmp (priv->mrl, mrl) == 0)
return TRUE;
/* this allows non-URI type of files in the thumbnailer and so on */
if (priv->mrl)
g_free (priv->mrl);
if (mrl[0] == '/')
{
priv->mrl = g_strdup_printf ("file://%s", mrl);
}
else
{
if (strchr (mrl, ':'))
{
priv->mrl = g_strdup (mrl);
}
else
{
gchar *cur_dir = g_get_current_dir ();
if (!cur_dir)
{
g_set_error (error, CLUTTER_VIDEO_TEXTURE_ERROR,
CLUTTER_VIDEO_TEXTURE_ERROR_GENERIC,
"Failed to retrieve working directory");
return FALSE;
}
priv->mrl = g_strdup_printf ("file://%s/%s", cur_dir, mrl);
g_free (cur_dir);
}
}
priv->got_redirect = FALSE;
priv->has_video = FALSE;
priv->has_audio = FALSE;
priv->stream_length = 0;
if (g_strrstr (priv->mrl, "#subtitle:"))
{
gchar **uris;
gchar *subtitle_uri;
uris = g_strsplit (priv->mrl, "#subtitle:", 2);
/* Try to fix subtitle uri if needed */
if (uris[1][0] == '/')
{
subtitle_uri = g_strdup_printf ("file://%s", uris[1]);
}
else
{
if (strchr (uris[1], ':'))
{
subtitle_uri = g_strdup (uris[1]);
}
else
{
gchar *cur_dir = g_get_current_dir ();
if (!cur_dir)
{
g_set_error (error, CLUTTER_VIDEO_TEXTURE_ERROR,
CLUTTER_VIDEO_TEXTURE_ERROR_GENERIC,
"Failed to retrieve working directory");
return FALSE;
}
subtitle_uri = g_strdup_printf ("file://%s/%s",
cur_dir, uris[1]);
g_free (cur_dir);
}
}
g_object_set (priv->play,
"uri", priv->mrl,
"suburi", subtitle_uri,
NULL);
g_free (subtitle_uri);
g_strfreev (uris);
}
else
{
g_object_set (priv->play,
"uri", priv->mrl,
"suburi", subtitle_uri,
NULL);
}
gst_element_set_state (priv->play, GST_STATE_PAUSED);
ret = poll_for_state_change (video_texture,
priv->play,
GST_STATE_PAUSED,
NULL);
if (!ret)
{
priv->ignore_messages_mask |= GST_MESSAGE_ERROR;
stop_play_pipeline (video_texture);
g_free (priv->mrl);
priv->mrl = NULL;
}
else
g_signal_emit (video_texture, cvt_signals[SIGNAL_CHANNELS_CHANGE], 0);
return ret;
}
gboolean
clutter_video_texture_play (ClutterVideoTexture *video_texture,
GError ** error)
{
ClutterVideoTexturePrivate *priv;
gboolean ret;
priv = video_texture->priv;
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE(video_texture), FALSE);
g_return_val_if_fail (priv->play != NULL, FALSE);
gst_element_set_state (priv->play, GST_STATE_PLAYING);
ret = poll_for_state_change (video_texture,
priv->play,
GST_STATE_PLAYING,
error);
return ret;
}
void
clutter_video_texture_pause (ClutterVideoTexture *video_texture)
{
g_return_if_fail (video_texture != NULL);
g_return_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture));
g_return_if_fail (GST_IS_ELEMENT (video_texture->priv->play));
CLUTTER_DBG ("Pausing");
gst_element_set_state (GST_ELEMENT (video_texture->priv->play),
GST_STATE_PAUSED);
}
gboolean
clutter_video_texture_can_direct_seek (ClutterVideoTexture *video_texture)
{
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_texture->priv->play), FALSE);
if (!video_texture->priv->mrl)
return FALSE;
/* (instant seeking only make sense with video, hence no cdda:// here) */
if (g_str_has_prefix (video_texture->priv->mrl, "file://") ||
g_str_has_prefix (video_texture->priv->mrl, "dvd://") ||
g_str_has_prefix (video_texture->priv->mrl, "vcd://"))
return TRUE;
return FALSE;
}
gboolean
clutter_video_texture_seek_time (ClutterVideoTexture *video_texture,
gint64 time,
GError **gerror)
{
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_texture->priv->play), FALSE);
got_time_tick (video_texture->priv->play, time * GST_MSECOND, video_texture);
gst_element_seek (video_texture->priv->play,
1.0,
GST_FORMAT_TIME,
GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
GST_SEEK_TYPE_SET,
time * GST_MSECOND,
GST_SEEK_TYPE_NONE,
GST_CLOCK_TIME_NONE);
gst_element_get_state (video_texture->priv->play,
NULL, NULL, 100 * GST_MSECOND);
return TRUE;
}
gboolean
clutter_video_texture_seek (ClutterVideoTexture *video_texture,
float position,
GError **error)
{
gint64 seek_time, length_nanos;
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_texture->priv->play), FALSE);
length_nanos = (gint64) (video_texture->priv->stream_length * GST_MSECOND);
seek_time = (gint64) (length_nanos * position);
return clutter_video_texture_seek_time (video_texture,
seek_time / GST_MSECOND, error);
}
static void
stop_play_pipeline (ClutterVideoTexture *video_texture)
{
GstElement *playbin = video_texture->priv->play;
GstState current_state;
/* first go to ready, that way our state change handler gets to see
* our state change messages (before the bus goes to flushing) and
* cleans up */
gst_element_get_state (playbin, &current_state, NULL, 0);
if (current_state > GST_STATE_READY)
{
GError *err = NULL;
gst_element_set_state (playbin, GST_STATE_READY);
poll_for_state_change_full (video_texture,
playbin,
GST_STATE_READY, &err, -1);
if (err)
g_error_free (err);
}
/* now finally go to null state */
gst_element_set_state (playbin, GST_STATE_NULL);
gst_element_get_state (playbin, NULL, NULL, -1);
}
void
clutter_video_texture_stop (ClutterVideoTexture *video_texture)
{
g_return_if_fail (video_texture != NULL);
g_return_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture));
g_return_if_fail (GST_IS_ELEMENT (video_texture->priv->play));
stop_play_pipeline (video_texture);
/* Reset position to 0 when stopping */
got_time_tick (GST_ELEMENT (video_texture->priv->play), 0, video_texture);
}
gboolean
clutter_video_texture_can_set_volume (ClutterVideoTexture *video_texture)
{
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_texture->priv->play), FALSE);
return TRUE;
}
void
clutter_video_texture_set_volume (ClutterVideoTexture *video_texture,
int volume)
{
g_return_if_fail (video_texture != NULL);
g_return_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture));
g_return_if_fail (GST_IS_ELEMENT (video_texture->priv->play));
if (clutter_video_texture_can_set_volume (video_texture) != FALSE)
{
volume = CLAMP (volume, 0, 100);
g_object_set (video_texture->priv->play, "volume",
(gdouble) (1. * volume / 100), NULL);
}
}
int
clutter_video_texture_get_volume (ClutterVideoTexture *video_texture)
{
gdouble vol;
g_return_val_if_fail (video_texture != NULL, -1);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), -1);
g_return_val_if_fail (GST_IS_ELEMENT (video_texture->priv->play), -1);
g_object_get (G_OBJECT (video_texture->priv->play), "volume", &vol, NULL);
return (gint) (vol * 100 + 0.5);
}
gint64
clutter_video_texture_get_current_time (ClutterVideoTexture *video_texture)
{
g_return_val_if_fail (video_texture != NULL, -1);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), -1);
return video_texture->priv->current_time;
}
gint64
clutter_video_texture_get_stream_length (ClutterVideoTexture *video_texture)
{
ClutterVideoTexturePrivate *priv;
g_return_val_if_fail (video_texture != NULL, -1);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), -1);
priv = video_texture->priv;
if (priv->stream_length == 0 && priv->play != NULL)
{
GstFormat fmt = GST_FORMAT_TIME;
gint64 len = -1;
if (gst_element_query_duration (priv->play, &fmt, &len) && len != -1)
priv->stream_length = len / GST_MSECOND;
}
return priv->stream_length;
}
gboolean
clutter_video_texture_is_playing (ClutterVideoTexture *video_texture)
{
GstState cur, pending;
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_texture->priv->play), FALSE);
gst_element_get_state (video_texture->priv->play, &cur, &pending, 0);
if (cur == GST_STATE_PLAYING || pending == GST_STATE_PLAYING)
return TRUE;
return FALSE;
}
gboolean
clutter_video_texture_is_seekable (ClutterVideoTexture *video_texture)
{
gboolean res;
g_return_val_if_fail (video_texture != NULL, FALSE);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (video_texture->priv->play), FALSE);
if (video_texture->priv->stream_length == 0)
res = (clutter_video_texture_get_stream_length (video_texture) > 0);
else
res = (video_texture->priv->stream_length > 0);
return res;
}
float
clutter_video_texture_get_position (ClutterVideoTexture *video_texture)
{
g_return_val_if_fail (video_texture != NULL, -1);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), -1);
return video_texture->priv->current_position;
}
void
clutter_video_texture_set_aspect_ratio (ClutterVideoTexture *video_texture,
ClutterVideoTextureAspectRatio ratio)
{
g_return_if_fail (video_texture != NULL);
g_return_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture));
video_texture->priv->ratio_type = ratio;
got_video_size (video_texture);
}
ClutterVideoTextureAspectRatio
clutter_video_texture_get_aspect_ratio (ClutterVideoTexture *video_texture)
{
g_return_val_if_fail (video_texture != NULL, 0);
g_return_val_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture), 0);
return video_texture->priv->ratio_type;
}
/* Metadata */
static const struct _metadata_map_info
{
ClutterVideoTextureMetadataType type;
const gchar *str;
} metadata_str_map[] = {
{ CLUTTER_INFO_TITLE, "title" },
{ CLUTTER_INFO_ARTIST, "artist" },
{ CLUTTER_INFO_YEAR, "year" },
{ CLUTTER_INFO_ALBUM, "album" },
{ CLUTTER_INFO_DURATION, "duration" },
{ CLUTTER_INFO_TRACK_NUMBER, "track-number" },
{ CLUTTER_INFO_HAS_VIDEO, "has-video" },
{ CLUTTER_INFO_DIMENSION_X, "dimension-x" },
{ CLUTTER_INFO_DIMENSION_Y, "dimension-y" },
{ CLUTTER_INFO_VIDEO_BITRATE,"video-bitrate" },
{ CLUTTER_INFO_VIDEO_CODEC, "video-codec" },
{ CLUTTER_INFO_FPS, "fps" },
{ CLUTTER_INFO_HAS_AUDIO, "has-audio" },
{ CLUTTER_INFO_AUDIO_BITRATE,"audio-bitrate" },
{ CLUTTER_INFO_AUDIO_CODEC, "audio-codec" }
};
static const gchar*
get_metadata_type_name (ClutterVideoTextureMetadataType type)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (metadata_str_map); ++i)
{
if (metadata_str_map[i].type == type)
return metadata_str_map[i].str;
}
return "unknown";
}
static void
get_metadata_string (ClutterVideoTexture *video_texture,
ClutterVideoTextureMetadataType type,
GValue *value)
{
ClutterVideoTexturePrivate *priv;
char *string = NULL;
gboolean res = FALSE;
priv = video_texture->priv;
g_value_init (value, G_TYPE_STRING);
if (priv->play == NULL || priv->tagcache == NULL)
{
g_value_set_string (value, NULL);
return;
}
switch (type)
{
case CLUTTER_INFO_TITLE:
res = gst_tag_list_get_string_index (priv->tagcache,
GST_TAG_TITLE, 0, &string);
break;
case CLUTTER_INFO_ARTIST:
res = gst_tag_list_get_string_index (priv->tagcache,
GST_TAG_ARTIST, 0, &string);
break;
case CLUTTER_INFO_YEAR:
{
GDate *date;
if ((res = gst_tag_list_get_date (priv->tagcache,
GST_TAG_DATE, &date)))
{
string = g_strdup_printf ("%d", g_date_get_year (date));
g_date_free (date);
}
break;
}
case CLUTTER_INFO_ALBUM:
res = gst_tag_list_get_string_index (priv->tagcache,
GST_TAG_ALBUM, 0, &string);
break;
case CLUTTER_INFO_VIDEO_CODEC:
res = gst_tag_list_get_string (priv->tagcache,
GST_TAG_VIDEO_CODEC, &string);
break;
case CLUTTER_INFO_AUDIO_CODEC:
res = gst_tag_list_get_string (priv->tagcache,
GST_TAG_AUDIO_CODEC, &string);
break;
default:
g_assert_not_reached ();
}
if (res)
{
g_value_take_string (value, string);
CLUTTER_DBG ("%s = '%s'", get_metadata_type_name (type), string);
}
else
g_value_set_string (value, NULL);
return;
}
static void
get_metadata_int (ClutterVideoTexture *video_texture,
ClutterVideoTextureMetadataType type,
GValue *value)
{
ClutterVideoTexturePrivate *priv;
int integer = 0;
priv = video_texture->priv;
g_value_init (value, G_TYPE_INT);
if (priv->play == NULL)
{
g_value_set_int (value, 0);
return;
}
switch (type)
{
case CLUTTER_INFO_DURATION:
integer = clutter_video_texture_get_stream_length (video_texture) / 1000;
break;
case CLUTTER_INFO_TRACK_NUMBER:
if (!gst_tag_list_get_uint (priv->tagcache,
GST_TAG_TRACK_NUMBER, (guint *) &integer))
integer = 0;
break;
case CLUTTER_INFO_DIMENSION_X:
integer = priv->video_width;
break;
case CLUTTER_INFO_DIMENSION_Y:
integer = priv->video_height;
break;
case CLUTTER_INFO_FPS:
if (priv->video_fps_d > 0)
{
/* Round up/down to the nearest integer framerate */
integer = (priv->video_fps_n + priv->video_fps_d/2) /
priv->video_fps_d;
}
else
integer = 0;
break;
case CLUTTER_INFO_AUDIO_BITRATE:
if (priv->audiotags == NULL)
break;
if (gst_tag_list_get_uint (priv->audiotags, GST_TAG_BITRATE,
(guint *)&integer) ||
gst_tag_list_get_uint (priv->audiotags, GST_TAG_NOMINAL_BITRATE,
(guint *)&integer)) {
integer /= 1000;
}
break;
case CLUTTER_INFO_VIDEO_BITRATE:
if (priv->videotags == NULL)
break;
if (gst_tag_list_get_uint (priv->videotags, GST_TAG_BITRATE,
(guint *)&integer) ||
gst_tag_list_get_uint (priv->videotags, GST_TAG_NOMINAL_BITRATE,
(guint *)&integer)) {
integer /= 1000;
}
break;
default:
g_assert_not_reached ();
}
g_value_set_int (value, integer);
CLUTTER_DBG ("%s = %d", get_metadata_type_name (type), integer);
return;
}
static void
get_metadata_bool (ClutterVideoTexture *video_texture,
ClutterVideoTextureMetadataType type,
GValue *value)
{
ClutterVideoTexturePrivate *priv;
gboolean boolean = FALSE;
priv = video_texture->priv;
g_value_init (value, G_TYPE_BOOLEAN);
if (priv->play == NULL)
{
g_value_set_boolean (value, FALSE);
return;
}
switch (type)
{
case CLUTTER_INFO_HAS_VIDEO:
boolean = priv->has_video;
/* if properties dialog, show the metadata we
* have even if we cannot decode the stream */
if (!boolean
&& priv->tagcache != NULL
&& gst_structure_has_field ((GstStructure *) priv->tagcache,
GST_TAG_VIDEO_CODEC))
boolean = TRUE;
break;
case CLUTTER_INFO_HAS_AUDIO:
boolean = priv->has_audio;
/* if properties dialog, show the metadata we
* have even if we cannot decode the stream */
if (!boolean
&& priv->tagcache != NULL
&& gst_structure_has_field ((GstStructure *) priv->tagcache,
GST_TAG_AUDIO_CODEC))
boolean = TRUE;
break;
default:
g_assert_not_reached ();
}
g_value_set_boolean (value, boolean);
CLUTTER_DBG ("%s = %s", get_metadata_type_name (type),
(boolean) ? "yes" : "no");
return;
}
void
clutter_video_texture_get_metadata (ClutterVideoTexture *video_texture,
ClutterVideoTextureMetadataType type,
GValue *value)
{
g_return_if_fail (video_texture != NULL);
g_return_if_fail (CLUTTER_IS_VIDEO_TEXTURE (video_texture));
g_return_if_fail (GST_IS_ELEMENT (video_texture->priv->play));
switch (type)
{
case CLUTTER_INFO_TITLE:
case CLUTTER_INFO_ARTIST:
case CLUTTER_INFO_YEAR:
case CLUTTER_INFO_ALBUM:
case CLUTTER_INFO_VIDEO_CODEC:
case CLUTTER_INFO_AUDIO_CODEC:
get_metadata_string (video_texture, type, value);
break;
case CLUTTER_INFO_DURATION:
case CLUTTER_INFO_DIMENSION_X:
case CLUTTER_INFO_DIMENSION_Y:
case CLUTTER_INFO_FPS:
case CLUTTER_INFO_AUDIO_BITRATE:
case CLUTTER_INFO_VIDEO_BITRATE:
case CLUTTER_INFO_TRACK_NUMBER:
get_metadata_int (video_texture, type, value);
break;
case CLUTTER_INFO_HAS_VIDEO:
case CLUTTER_INFO_HAS_AUDIO:
get_metadata_bool (video_texture, type, value);
break;
default:
g_return_if_reached ();
}
return;
}
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