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112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/*
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* gstvaapipluginutil.h - VA-API plugins private helper
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*
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* Copyright (C) 2011-2014 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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* Copyright (C) 2011 Collabora
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* Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
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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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_PLUGIN_UTIL_H
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#define GST_VAAPI_PLUGIN_UTIL_H
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapisurface.h>
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#if GST_CHECK_VERSION(1,0,0)
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#include "gstvaapivideomemory.h"
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#endif
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_ensure_display (gpointer element, GstVaapiDisplayType type);
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G_GNUC_INTERNAL
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void
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gst_vaapi_set_display (const gchar * type,
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const GValue * value, GstVaapiDisplay ** display_ptr);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_reply_to_query (GstQuery * query, GstVaapiDisplay * display);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_append_surface_caps (GstCaps * out_caps, GstCaps * in_caps);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_apply_composition (GstVaapiSurface * surface, GstBuffer * buffer);
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#ifndef G_PRIMITIVE_SWAP
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#define G_PRIMITIVE_SWAP(type, a, b) do { \
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const type t = a; a = b; b = t; \
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} while (0)
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#endif
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/* Helpers for GValue construction for video formats */
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_value_set_format (GValue * value, GstVideoFormat format);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_value_set_format_list (GValue * value, GArray * formats);
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/* Helpers to build video caps */
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typedef enum
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{
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GST_VAAPI_CAPS_FEATURE_SYSTEM_MEMORY = 1,
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GST_VAAPI_CAPS_FEATURE_GL_TEXTURE_UPLOAD_META,
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GST_VAAPI_CAPS_FEATURE_VAAPI_SURFACE,
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} GstVaapiCapsFeature;
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G_GNUC_INTERNAL
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GstCaps *
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gst_vaapi_video_format_new_template_caps (GstVideoFormat format);
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G_GNUC_INTERNAL
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GstCaps *
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gst_vaapi_video_format_new_template_caps_from_list (GArray * formats);
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G_GNUC_INTERNAL
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GstCaps *
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gst_vaapi_video_format_new_template_caps_with_features (GstVideoFormat format,
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const gchar * features_string);
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G_GNUC_INTERNAL
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GstVaapiCapsFeature
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gst_vaapi_find_preferred_caps_feature (GstPad * pad, GstVideoFormat format);
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/* Helpers to handle interlaced contents */
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#if GST_CHECK_VERSION(1,0,0)
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# define GST_CAPS_INTERLACED_MODES \
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"interlace-mode = (string){ progressive, interleaved, mixed }"
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# define GST_CAPS_INTERLACED_FALSE \
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"interlace-mode = (string)progressive"
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#else
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# define GST_CAPS_INTERLACED_MODES \
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"interlaced = (boolean){ true, false }"
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# define GST_CAPS_INTERLACED_FALSE \
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"interlaced = (boolean)false"
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#endif
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G_GNUC_INTERNAL
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gboolean
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gst_caps_set_interlaced (GstCaps * caps, GstVideoInfo * vip);
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#endif /* GST_VAAPI_PLUGIN_UTIL_H */
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