gstreamer/subprojects/gstreamer-vaapi/gst/vaapi/gstvaapipluginutil.h

189 lines
5.7 KiB
C

/*
* gstvaapipluginutil.h - VA-API plugins private helper
*
* Copyright (C) 2011-2014 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>
#include <gst/vaapi/gstvaapicontext.h>
#include "gstvaapivideomemory.h"
typedef GstVaapiProfile (*GstVaapiStrToProfileFunc) (const gchar * str);
typedef const gchar * (*GstVaapiProfileToStrFunc) (GstVaapiProfile profile);
G_GNUC_INTERNAL
gboolean
gst_vaapi_ensure_display (GstElement * element, GstVaapiDisplayType type);
G_GNUC_INTERNAL
gboolean
gst_vaapi_handle_context_query (GstElement * element, GstQuery * query);
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 for GValue construction for video formats */
G_GNUC_INTERNAL
gboolean
gst_vaapi_value_set_format (GValue * value, GstVideoFormat format);
G_GNUC_INTERNAL
gboolean
gst_vaapi_value_set_format_list (GValue * value, GArray * formats);
/* Helpers to build video caps */
typedef enum
{
GST_VAAPI_CAPS_FEATURE_NOT_NEGOTIATED,
GST_VAAPI_CAPS_FEATURE_SYSTEM_MEMORY,
GST_VAAPI_CAPS_FEATURE_GL_TEXTURE_UPLOAD_META,
GST_VAAPI_CAPS_FEATURE_DMABUF,
GST_VAAPI_CAPS_FEATURE_VAAPI_SURFACE,
} GstVaapiCapsFeature;
G_GNUC_INTERNAL
GstCaps *
gst_vaapi_video_format_new_template_caps (GstVideoFormat format);
G_GNUC_INTERNAL
GstCaps *
gst_vaapi_video_format_new_template_caps_from_list (GArray * formats);
G_GNUC_INTERNAL
GstCaps *
gst_vaapi_video_format_new_template_caps_with_features (GstVideoFormat format,
const gchar * features_string);
G_GNUC_INTERNAL
GstVaapiCapsFeature
gst_vaapi_find_preferred_caps_feature (GstPad * pad, GstCaps * allowed_caps,
GstVideoFormat * out_format_ptr);
G_GNUC_INTERNAL
const gchar *
gst_vaapi_caps_feature_to_string (GstVaapiCapsFeature feature);
G_GNUC_INTERNAL
gboolean
gst_vaapi_caps_feature_contains (const GstCaps * caps,
GstVaapiCapsFeature feature);
/* Helpers to handle interlaced contents */
# define GST_CAPS_INTERLACED_MODES \
"interlace-mode = (string){ progressive, interleaved, mixed }"
# define GST_CAPS_INTERLACED_FALSE \
"interlace-mode = (string)progressive"
#define GST_VAAPI_MAKE_SURFACE_CAPS \
GST_VIDEO_CAPS_MAKE_WITH_FEATURES( \
GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE, GST_VAAPI_FORMATS_ALL)
#define GST_VAAPI_MAKE_GLTEXUPLOAD_CAPS \
GST_VIDEO_CAPS_MAKE_WITH_FEATURES( \
GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META, "{ RGBA, BGRA }")
#define GST_VAAPI_MAKE_DMABUF_CAPS \
GST_VIDEO_CAPS_MAKE_WITH_FEATURES( \
GST_CAPS_FEATURE_MEMORY_DMABUF, "{ I420, YV12, RGBA }")
G_GNUC_INTERNAL
gboolean
gst_caps_set_interlaced (GstCaps * caps, GstVideoInfo * vip);
G_GNUC_INTERNAL
gboolean
gst_caps_has_vaapi_surface (GstCaps * caps);
G_GNUC_INTERNAL
gboolean
gst_caps_is_video_raw (GstCaps * caps);
G_GNUC_INTERNAL
void
gst_video_info_change_format (GstVideoInfo * vip, GstVideoFormat format,
guint width, guint height);
G_GNUC_INTERNAL
gboolean
gst_video_info_changed (const GstVideoInfo * old, const GstVideoInfo * new);
G_GNUC_INTERNAL
void
gst_video_info_force_nv12_if_encoded (GstVideoInfo * vinfo);
G_GNUC_INTERNAL
GstVaapiDisplay *
gst_vaapi_create_test_display (void);
G_GNUC_INTERNAL
gboolean
gst_vaapi_driver_is_whitelisted (GstVaapiDisplay * display);
G_GNUC_INTERNAL
gboolean
gst_vaapi_codecs_has_codec (GArray * codecs, GstVaapiCodec codec);
G_GNUC_INTERNAL
GArray *
gst_vaapi_encoder_get_profiles_from_caps (GstCaps * caps,
GstVaapiStrToProfileFunc func);
G_GNUC_INTERNAL
void
gst_vaapi_caps_set_width_and_height_range (GstCaps * caps, gint min_width,
gint min_height, gint max_width, gint max_height);
G_GNUC_INTERNAL
GstCaps *
gst_vaapi_build_caps_from_formats (GArray * formats, gint min_width,
gint min_height, gint max_width, gint max_height, guint mem_type);
G_GNUC_INTERNAL
GstCaps *
gst_vaapi_build_template_raw_caps_by_codec (GstVaapiDisplay * display,
GstVaapiContextUsage usage, GstVaapiCodec codec, GArray * extra_fmts);
G_GNUC_INTERNAL
void
gst_vaapi_structure_set_profiles (GstStructure * st, gchar ** list);
G_GNUC_INTERNAL
GstCaps *
gst_vaapi_build_template_coded_caps_by_codec (GstVaapiDisplay * display,
GstVaapiContextUsage usage, GstVaapiCodec codec, const char *caps_str,
GstVaapiProfileToStrFunc func);
#endif /* GST_VAAPI_PLUGIN_UTIL_H */