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gst/playback/gstplaybin.c: Add small bits of code for screenshot handling.

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Original commit message from CVS:
* gst/playback/gstplaybin.c: (gst_play_bin_class_init),
(gst_play_bin_init), (gst_play_bin_get_property), (handoff),
(gen_video_element), (remove_sinks):
Add small bits of code for screenshot handling.
This commit is contained in:
Ronald S. Bultje 2004-10-08 18:05:39 +00:00
parent b6fd3e4990
commit 002a5ec2b6
2 changed files with 40 additions and 2 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2004-10-08 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* gst/playback/gstplaybin.c: (gst_play_bin_class_init),
(gst_play_bin_init), (gst_play_bin_get_property), (handoff),
(gen_video_element), (remove_sinks):
Add small bits of code for screenshot handling.
2004-10-08 Wim Taymans <wim@fluendo.com>
* gst/playback/gstplaybin.c: (gst_play_bin_set_property),

35
gst/playback/gstplaybin.c
View file

@ -54,6 +54,8 @@ struct _GstPlayBin
GList *seekables;
GstBuffer *frame;
GHashTable *cache;
};
@ -69,7 +71,8 @@ enum
ARG_AUDIO_SINK,
ARG_VIDEO_SINK,
ARG_VIS_PLUGIN,
ARG_VOLUME
ARG_VOLUME,
ARG_FRAME
};
/* signals */
@ -169,6 +172,10 @@ gst_play_bin_class_init (GstPlayBinClass * klass)
g_object_class_install_property (G_OBJECT_CLASS (gobject_klass), ARG_VOLUME,
g_param_spec_double ("volume", "volume", "volume",
0.0, VOLUME_MAX_DOUBLE, 1.0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (gobject_klass), ARG_FRAME,
g_param_spec_boxed ("frame", "Frame",
"The last frame (NULL = no video available)",
GST_TYPE_BUFFER, G_PARAM_READABLE));
gobject_klass->dispose = GST_DEBUG_FUNCPTR (gst_play_bin_dispose);
@ -196,6 +203,7 @@ gst_play_bin_init (GstPlayBin * play_bin)
play_bin->volume = 1.0;
play_bin->seekables = NULL;
play_bin->sinks = NULL;
play_bin->frame = NULL;
play_bin->cache = g_hash_table_new (g_str_hash, g_str_equal);
GST_FLAG_SET (play_bin, GST_BIN_SELF_SCHEDULABLE);
@ -289,12 +297,25 @@ gst_play_bin_get_property (GObject * object, guint prop_id, GValue * value,
case ARG_VOLUME:
g_value_set_double (value, play_bin->volume);
break;
case ARG_FRAME:
g_value_set_boxed (value, play_bin->frame);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
handoff (GstElement * identity, GstBuffer * frame, gpointer data)
{
GstPlayBin *play_bin = GST_PLAY_BIN (data);
if (play_bin->frame) {
gst_buffer_unref (play_bin->frame);
}
play_bin->frame = gst_buffer_ref (frame);
}
static GstElement *
gen_video_element (GstPlayBin * play_bin)
@ -303,6 +324,7 @@ gen_video_element (GstPlayBin * play_bin)
GstElement *conv;
GstElement *scale;
GstElement *sink;
GstElement *identity;
element = g_hash_table_lookup (play_bin->cache, "vbin");
if (element != NULL) {
@ -312,6 +334,8 @@ gen_video_element (GstPlayBin * play_bin)
}
element = gst_bin_new ("vbin");
identity = gst_element_factory_make ("identity", "id");
g_signal_connect (identity, "handoff", G_CALLBACK (handoff), play_bin);
conv = gst_element_factory_make ("ffmpegcolorspace", "vconv");
scale = gst_element_factory_make ("videoscale", "vscale");
if (play_bin->video_sink) {
@ -322,13 +346,15 @@ gen_video_element (GstPlayBin * play_bin)
}
g_hash_table_insert (play_bin->cache, "video_sink", sink);
gst_bin_add (GST_BIN (element), identity);
gst_bin_add (GST_BIN (element), conv);
gst_bin_add (GST_BIN (element), scale);
gst_bin_add (GST_BIN (element), sink);
gst_element_link_pads (identity, "src", conv, "sink");
gst_element_link_pads (conv, "src", scale, "sink");
gst_element_link_pads (scale, "src", sink, "sink");
gst_element_add_ghost_pad (element, gst_element_get_pad (conv, "sink"),
gst_element_add_ghost_pad (element, gst_element_get_pad (identity, "sink"),
"sink");
gst_element_set_state (element, GST_STATE_READY);
@ -413,6 +439,11 @@ remove_sinks (GstPlayBin * play_bin)
g_list_free (play_bin->seekables);
play_bin->sinks = NULL;
play_bin->seekables = NULL;
if (play_bin->frame) {
gst_buffer_unref (play_bin->frame);
play_bin->frame = NULL;
}
}
static void