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40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
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/* GStreamer
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* Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
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*
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* dxr3videosink.h: Common declarations for the DXR3 plugin.
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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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#ifndef __DXR3COMMON_H__
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#define __DXR3COMMON_H__
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/* Convert from GStreamer time to MPEG time. */
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#define GSTTIME_TO_MPEGTIME(time) (((time) * 9) / (GST_MSECOND/10))
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/* The em8300 driver expresses time in units of 1/45000 of second. */
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/* Convert from MPEG time to em8300 time. */
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#define MPEGTIME_TO_DXRTIME(time) ((guint32) ((time) >> 1))
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/* Convert from em8300 time to GStreamer time. */
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#define DXRTIME_TO_GSTTIME(time) \
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((GstClockTime) ((double) (time) * (((double) GST_MSECOND) / 45.0)))
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#endif /* __DXR3COMMON_H__ */
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