2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
5 * Copyright (C) 2000 Donald A. Graft
7 * This library is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Library General Public License for more details.
12 * You should have received a copy of the GNU Library General Public
13 * License along with this library; if not, write to the
14 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
15 * Boston, MA 02111-1307, USA.
24 #include "gstmngenc.h"
25 #include <gst/video/video.h>
27 #define MAX_HEIGHT 4096
29 /* Filter signals and args */
36 #define DEFAULT_SNAPSHOT TRUE
43 static void gst_mng_enc_set_property (GObject * object,
44 guint prop_id, const GValue * value, GParamSpec * pspec);
45 static void gst_mng_enc_get_property (GObject * object,
46 guint prop_id, GValue * value, GParamSpec * pspec);
48 static GstFlowReturn gst_mng_enc_chain (GstPad * pad, GstBuffer * buf);
50 GstPadTemplate *mngenc_src_template, *mngenc_sink_template;
52 GST_BOILERPLATE (GstMngEnc, gst_mng_enc, GstElement, GST_TYPE_ELEMENT);
55 mng_caps_factory (void)
57 return gst_caps_new_simple ("video/x-mng",
58 "width", GST_TYPE_INT_RANGE, 16, 4096,
59 "height", GST_TYPE_INT_RANGE, 16, 4096,
60 "framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE, NULL);
65 raw_caps_factory (void)
67 return gst_caps_from_string (GST_VIDEO_CAPS_RGB);
71 gst_mng_enc_base_init (gpointer g_class)
73 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
74 GstCaps *raw_caps, *mng_caps;
76 raw_caps = raw_caps_factory ();
77 mng_caps = mng_caps_factory ();
79 mngenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
80 GST_PAD_ALWAYS, raw_caps);
82 mngenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC,
83 GST_PAD_ALWAYS, mng_caps);
85 gst_element_class_add_pad_template (element_class, mngenc_sink_template);
86 gst_element_class_add_pad_template (element_class, mngenc_src_template);
87 gst_element_class_set_details_simple (element_class, "MNG video encoder",
88 "Codec/Encoder/Video",
89 "Encode a video frame to an .mng video", "Wim Taymans <wim@fluendo.com>");
93 gst_mng_enc_class_init (GstMngEncClass * klass)
95 GObjectClass *gobject_class;
96 GstElementClass *gstelement_class;
98 gobject_class = (GObjectClass *) klass;
99 gstelement_class = (GstElementClass *) klass;
101 gobject_class->get_property = gst_mng_enc_get_property;
102 gobject_class->set_property = gst_mng_enc_set_property;
106 gst_mng_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
110 GstStructure *structure;
112 mngenc = GST_MNG_ENC (gst_pad_get_parent (pad));
114 structure = gst_caps_get_structure (caps, 0);
115 gst_structure_get_int (structure, "width", &mngenc->width);
116 gst_structure_get_int (structure, "height", &mngenc->height);
117 gst_structure_get_double (structure, "framerate", &fps);
118 gst_structure_get_int (structure, "bpp", &mngenc->bpp);
120 caps = gst_caps_new_simple ("video/x-mng",
121 "framerate", G_TYPE_DOUBLE, fps,
122 "width", G_TYPE_INT, mngenc->width,
123 "height", G_TYPE_INT, mngenc->height, NULL);
125 gst_pad_set_caps (mngenc->srcpad, caps);
126 gst_caps_unref (caps);
128 gst_object_unref (mngenc);
134 gst_mng_enc_init (GstMngEnc * mngenc, GstMngEncClass * gclass)
136 mngenc->sinkpad = gst_pad_new_from_template (mngenc_sink_template, "sink");
137 gst_element_add_pad (GST_ELEMENT (mngenc), mngenc->sinkpad);
139 mngenc->srcpad = gst_pad_new ("src", GST_PAD_SRC);
140 gst_element_add_pad (GST_ELEMENT (mngenc), mngenc->srcpad);
142 gst_pad_set_chain_function (mngenc->sinkpad, gst_mng_enc_chain);
143 gst_pad_set_setcaps_function (mngenc->sinkpad, gst_mng_enc_sink_setcaps);
147 gst_mng_enc_chain (GstPad * pad, GstBuffer * buf)
151 mngenc = GST_MNG_ENC (gst_pad_get_parent (pad));
153 /* FIXME, do something here */
155 gst_buffer_unref (buf);
156 gst_object_unref (mngenc);
158 return GST_FLOW_NOT_SUPPORTED;
163 gst_mng_enc_get_property (GObject * object,
164 guint prop_id, GValue * value, GParamSpec * pspec)
168 mngenc = GST_MNG_ENC (object);
172 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
179 gst_mng_enc_set_property (GObject * object,
180 guint prop_id, const GValue * value, GParamSpec * pspec)
184 mngenc = GST_MNG_ENC (object);
188 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);