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2d7d38cb9c
The native format parameter in gst_vaapi_find_preferred_caps_feature() can be saved if the out format is used for both: in and out. Thus the code is more readable. https://bugzilla.gnome.org/show_bug.cgi?id=765223
130 lines
3.8 KiB
C
130 lines
3.8 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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#include "gstvaapivideomemory.h"
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_ensure_display (GstElement * element, GstVaapiDisplayType type);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_handle_context_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_NOT_NEGOTIATED,
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GST_VAAPI_CAPS_FEATURE_SYSTEM_MEMORY,
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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,
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GstVideoFormat * out_format_ptr);
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G_GNUC_INTERNAL
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const gchar *
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gst_vaapi_caps_feature_to_string (GstVaapiCapsFeature feature);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_caps_feature_contains (const GstCaps * caps,
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GstVaapiCapsFeature feature);
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/* Helpers to handle interlaced contents */
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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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#define GST_VAAPI_MAKE_SURFACE_CAPS \
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES( \
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GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE, "{ ENCODED, NV12, I420, YV12, P010_10LE }")
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#define GST_VAAPI_MAKE_GLTEXUPLOAD_CAPS \
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES( \
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GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META, "{ RGBA, BGRA }")
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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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G_GNUC_INTERNAL
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gboolean
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gst_caps_has_vaapi_surface (GstCaps * caps);
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G_GNUC_INTERNAL
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void
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gst_video_info_change_format (GstVideoInfo * vip, GstVideoFormat format,
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guint width, guint height);
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G_GNUC_INTERNAL
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GstVaapiDisplay *
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gst_vaapi_create_test_display (void);
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#endif /* GST_VAAPI_PLUGIN_UTIL_H */
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