gstreamer/sys/winks/ksvideohelpers.h
Ole André Vadla Ravnås c980279fa4 New plugin for low-latency video capture on Windows (#519935).
Original commit message from CVS:
* configure.ac:
* sys/Makefile.am:
* sys/winks/Makefile.am:
* sys/winks/gstksclock.c:
* sys/winks/gstksclock.h:
* sys/winks/gstksvideodevice.c:
* sys/winks/gstksvideodevice.h:
* sys/winks/gstksvideosrc.c:
* sys/winks/gstksvideosrc.h:
* sys/winks/kshelpers.c:
* sys/winks/kshelpers.h:
* sys/winks/ksvideohelpers.c:
* sys/winks/ksvideohelpers.h:
New plugin for low-latency video capture on Windows (#519935).
Uses Kernel Streaming, the lowest level API for doing video capture
on Windows (more or less just raw ioctls).
2008-08-24 22:05:48 +00:00

64 lines
2 KiB
C

/*
* Copyright (C) 2007 Haakon Sporsheim <hakon.sporsheim@tandberg.com>
* 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __KSVIDEOHELPERS_H__
#define __KSVIDEOHELPERS_H__
#include <gst/gst.h>
#include <windows.h>
#include <ks.h>
#include <ksmedia.h>
G_BEGIN_DECLS
DEFINE_GUID(MEDIASUBTYPE_I420, 0x30323449, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71);
typedef struct _KsVideoMediaType KsVideoMediaType;
/**
* A structure that contain metadata about capabilities
* for both KS and GStreamer for video only.
*/
struct _KsVideoMediaType
{
guint pin_id;
const KSDATARANGE * range;
const KS_VIDEO_STREAM_CONFIG_CAPS vscc;
guint8 * format;
guint format_size;
guint sample_size;
GstCaps * translated_caps;
};
KsVideoMediaType * ks_video_media_type_dup (KsVideoMediaType * media_type);
void ks_video_media_type_free (KsVideoMediaType * media_type);
GList * ks_video_probe_filter_for_caps (HANDLE filter_handle);
KSPIN_CONNECT * ks_video_create_pin_conn_from_media_type (KsVideoMediaType * media_type);
gboolean ks_video_fixate_media_type (const KSDATARANGE * range, guint8 * format, gint width, gint height, gint fps_n, gint fps_d);
GstCaps * ks_video_get_all_caps (void);
G_END_DECLS
#endif /* __KSVIDEOHELPERS_H__ */