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0e82871285
Original commit message from CVS: * ext/libvisual/visual.c: (gst_visual_src_setcaps), (get_buffer), (gst_visual_chain): * ext/ogg/gstogmparse.c: (gst_ogm_parse_chain): * ext/theora/theoradec.c: (theora_handle_type_packet): * ext/theora/theoraenc.c: (theora_enc_sink_setcaps), (theora_enc_chain): * gst-libs/gst/riff/riff-media.c: (gst_riff_create_video_caps): * gst-libs/gst/video/video.c: (gst_video_frame_rate): * gst-libs/gst/video/video.h: * gst/ffmpegcolorspace/avcodec.h: * gst/ffmpegcolorspace/gstffmpegcodecmap.c: (gst_ffmpeg_caps_to_pixfmt): * gst/ffmpegcolorspace/gstffmpegcolorspace.c: (gst_ffmpegcsp_set_caps): * gst/videorate/gstvideorate.c: (gst_videorate_transformcaps), (gst_videorate_setcaps), (gst_videorate_blank_data), (gst_videorate_chain): * gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_src_fixate), (gst_videotestsrc_getcaps), (gst_videotestsrc_parse_caps), (gst_videotestsrc_setcaps), (gst_videotestsrc_event), (gst_videotestsrc_create): * gst/videotestsrc/gstvideotestsrc.h: * sys/ximage/ximagesink.c: (gst_ximagesink_xcontext_get), (gst_ximagesink_setcaps), (gst_ximagesink_change_state), (gst_ximagesink_get_times), (gst_ximagesink_init): * sys/ximage/ximagesink.h: * sys/xvimage/xvimagesink.c: (gst_xvimagesink_get_xv_support), (gst_xvimagesink_setcaps), (gst_xvimagesink_change_state), (gst_xvimagesink_get_times), (gst_xvimagesink_init): * sys/xvimage/xvimagesink.h: Convert elements to use fractions for their framerate. V4L elements to come later tonight.
101 lines
3.1 KiB
C
101 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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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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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const GValue *
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gst_video_frame_rate (GstPad * pad)
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{
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const GValue *fps;
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gchar *fps_string;
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const GstCaps *caps = NULL;
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GstStructure *structure;
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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)), GST_PAD_NAME (pad));
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return NULL;
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}
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structure = gst_caps_get_structure (caps, 0);
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if ((fps = gst_structure_get_value (structure, "framerate")) == NULL) {
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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)), GST_PAD_NAME (pad));
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return NULL;
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}
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if (!GST_VALUE_HOLDS_FRACTION (fps)) {
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g_warning
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("gstvideo: framerate property of pad %s:%s is not of type Fraction",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)), GST_PAD_NAME (pad));
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return NULL;
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}
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fps_string = gst_value_serialize (fps);
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GST_DEBUG ("Framerate request on pad %s:%s: %s",
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GST_ELEMENT_NAME (gst_pad_get_parent (pad)), GST_PAD_NAME (pad),
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fps_string);
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g_free (fps_string);
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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, gint * width, gint * height)
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{
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const GstCaps *caps = NULL;
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GstStructure *structure;
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gboolean ret;
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g_return_val_if_fail (pad != NULL, FALSE);
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g_return_val_if_fail (width != NULL, FALSE);
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g_return_val_if_fail (height != 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)), GST_PAD_NAME (pad));
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return FALSE;
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}
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structure = gst_caps_get_structure (caps, 0);
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ret = gst_structure_get_int (structure, "width", width);
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ret &= gst_structure_get_int (structure, "height", height);
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if (!ret) {
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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)), GST_PAD_NAME (pad));
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return FALSE;
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}
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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), width ? *width : -1, height ? *height : -1);
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return TRUE;
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}
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