gstreamer/gst/vaapi/gstvaapipluginutil.h
2013-11-22 06:39:20 +01:00

82 lines
2.4 KiB
C

/*
* gstvaapipluginutil.h - VA-API plugins private helper
*
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
* Copyright (C) 2011 Collabora
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_PLUGIN_UTIL_H
#define GST_VAAPI_PLUGIN_UTIL_H
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapisurface.h>
G_GNUC_INTERNAL
gboolean
gst_vaapi_ensure_display(
gpointer element,
GstVaapiDisplayType display_type,
GstVaapiDisplay **display
);
G_GNUC_INTERNAL
void
gst_vaapi_set_display(
const gchar *type,
const GValue *value,
GstVaapiDisplay **display
);
G_GNUC_INTERNAL
gboolean
gst_vaapi_reply_to_query(GstQuery *query, GstVaapiDisplay *display);
G_GNUC_INTERNAL
gboolean
gst_vaapi_append_surface_caps (GstCaps *out_caps, GstCaps *in_caps);
G_GNUC_INTERNAL
gboolean
gst_vaapi_apply_composition(GstVaapiSurface *surface, GstBuffer *buffer);
#ifndef G_PRIMITIVE_SWAP
#define G_PRIMITIVE_SWAP(type, a, b) do { \
const type t = a; a = b; b = t; \
} while (0)
#endif
/* Helpers to handle interlaced contents */
#if GST_CHECK_VERSION(1,0,0)
# define GST_CAPS_INTERLACED_MODES \
"interlace-mode = (string){ progressive, interleaved, mixed }"
# define GST_CAPS_INTERLACED_FALSE \
"interlace-mode = (string)progressive"
#else
# define GST_CAPS_INTERLACED_MODES \
"interlaced = (boolean){ true, false }"
# define GST_CAPS_INTERLACED_FALSE \
"interlaced = (boolean)false"
#endif
G_GNUC_INTERNAL
gboolean
gst_caps_set_interlaced(GstCaps *caps, GstVideoInfo *vip);
#endif /* GST_VAAPI_PLUGIN_UTIL_H */