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ed2362149a
Original commit message from CVS: New mimetypes gone into effect today - this commit changes all old mimetypes over to the new mimetypes spec as described in the previous commit's document. Note: some plugins will break, some pipelines will break, expect HEAD to be broken or at least not 100% working for a few days, but don't forget to report bugs
111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Library <2002> Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "video.h"
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/* This is simply a convenience function, nothing more or less */
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gfloat
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gst_video_frame_rate (GstPad *pad)
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{
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gfloat fps = 0.;
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GstCaps *caps;
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/* get pad caps */
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caps = GST_PAD_CAPS (pad);
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if (caps == NULL) {
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g_warning ("gstvideo: failed to get caps of pad %s:%s",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)),
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GST_PAD_NAME(pad));
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return 0.;
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}
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if (!gst_caps_has_property_typed (caps, "framerate",
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GST_PROPS_FLOAT_TYPE)) {
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g_warning ("gstvideo: failed to get framerate property of pad %s:%s",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)),
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GST_PAD_NAME (pad));
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return 0.;
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}
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gst_caps_get_float (caps, "framerate", &fps);
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GST_DEBUG ("Framerate request on pad %s:%s: %f",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)),
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GST_PAD_NAME(pad), fps);
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return fps;
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}
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gboolean
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gst_video_get_size (GstPad *pad,
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gint *width,
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gint *height)
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{
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GstCaps *caps;
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g_return_val_if_fail (pad != NULL, FALSE);
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caps = GST_PAD_CAPS (pad);
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if (caps == NULL) {
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g_warning ("gstvideo: failed to get caps of pad %s:%s",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)),
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GST_PAD_NAME(pad));
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return FALSE;
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}
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if (!gst_caps_has_property_typed (caps, "width",
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GST_PROPS_INT_TYPE) ||
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!gst_caps_has_property_typed (caps, "height",
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GST_PROPS_FLOAT_TYPE)) {
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g_warning ("gstvideo: failed to get size properties on pad %s:%s",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)),
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GST_PAD_NAME(pad));
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return FALSE;
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}
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if (width)
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gst_caps_get_int (caps, "width", width);
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if (height)
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gst_caps_get_int (caps, "height", height);
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GST_DEBUG ("size request on pad %s:%s: %dx%d",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)),
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GST_PAD_NAME (pad),
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width ? *width : -1,
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height ? *height : -1);
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return TRUE;
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}
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static gboolean
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plugin_init (GModule *module, GstPlugin *plugin)
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{
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gst_plugin_set_longname (plugin, "Convenience routines for video plugins");
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return TRUE;
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}
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GstPluginDesc plugin_desc = {
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"gstvideo",
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plugin_init
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};
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