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45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* GStreamer
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* Copyright (C) 2008 David Schleef <ds@schleef.org>
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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 "gstbasevideoutils.h"
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#include <string.h>
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GST_DEBUG_CATEGORY_EXTERN (basevideocodec_debug);
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#define GST_CAT_DEFAULT basevideocodec_debug
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GstClockTime
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gst_video_state_get_timestamp (const GstVideoState * state,
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GstSegment * segment, int frame_number)
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{
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if (frame_number < 0) {
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return segment->start -
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(gint64) gst_util_uint64_scale (-frame_number,
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state->fps_d * GST_SECOND, state->fps_n);
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} else {
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return segment->start +
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gst_util_uint64_scale (frame_number,
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state->fps_d * GST_SECOND, state->fps_n);
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}
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}
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