gstreamer/subprojects/gstreamer-vaapi/gst-libs/gst/vaapi/gstvaapiutils_h265_priv.h

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/*
* gstvaapiutils_h265_priv.h - H.265 related utilities
*
* Copyright (C) 2015 Intel Corporation
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* 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_UTILS_H265_PRIV_H
#define GST_VAAPI_UTILS_H265_PRIV_H
#include "gstvaapiutils_h265.h"
#include "gstvaapisurface.h"
G_BEGIN_DECLS
/**
* GstVaapiH265LevelLimits:
* @level: the #GstVaapiLevelH265
* @level_idc: the H.265 level_idc value
* @MaxLumaPs: the maximum luma picture size
* @MaxCPBTierMain: the maximum CPB size for Main tier(kbits)
* @MaxCPBTierHigh: the maximum CPB size for High tier(kbits)
* @MaxSliceSegPic: the maximum slice segments per picture
* @MaxTileRows: the maximum number of Tile Rows
* @MaxTileColumns: the maximum number of Tile Columns
* @MaxLumaSr: the maximum luma sample rate (samples/sec)
* @MaxBRTierMain: the maximum video bit rate for Main Tier(kbps)
* @MaxBRTierHigh: the maximum video bit rate for High Tier(kbps)
* @MinCr: the mimimum compression ratio
*
* The data structure that describes the limits of an H.265 level.
*/
typedef struct {
GstVaapiLevelH265 level;
guint8 level_idc;
guint32 MaxLumaPs;
guint32 MaxCPBTierMain;
guint32 MaxCPBTierHigh;
guint32 MaxSliceSegPic;
guint32 MaxTileRows;
guint32 MaxTileColumns;
guint32 MaxLumaSr;
guint32 MaxBRTierMain;
guint32 MaxBRTierHigh;
guint32 MinCr;
} GstVaapiH265LevelLimits;
/* Returns GstVaapiProfile from H.265 profile_idc value */
G_GNUC_INTERNAL
GstVaapiProfile
gst_vaapi_utils_h265_get_profile (GstH265SPS * sps);
/* Returns H.265 profile_idc value from GstVaapiProfile */
G_GNUC_INTERNAL
guint8
gst_vaapi_utils_h265_get_profile_idc (GstVaapiProfile profile);
/* Returns GstVaapiLevelH265 from H.265 level_idc value */
G_GNUC_INTERNAL
GstVaapiLevelH265
gst_vaapi_utils_h265_get_level (guint8 level_idc);
/* Returns H.265 level_idc value from GstVaapiLevelH265 */
G_GNUC_INTERNAL
guint8
gst_vaapi_utils_h265_get_level_idc (GstVaapiLevelH265 level);
/* Returns level limits as specified in Table A-1 of the H.265 standard */
G_GNUC_INTERNAL
const GstVaapiH265LevelLimits *
gst_vaapi_utils_h265_get_level_limits (GstVaapiLevelH265 level);
/* Returns the Table A-1 specification */
G_GNUC_INTERNAL
const GstVaapiH265LevelLimits *
gst_vaapi_utils_h265_get_level_limits_table (guint * out_length_ptr);
/* Returns GstVaapiChromaType from H.265 chroma_format_idc value */
G_GNUC_INTERNAL
GstVaapiChromaType
gst_vaapi_utils_h265_get_chroma_type (guint chroma_format_idc,
guint luma_bit_depth, guint chroma_bit_depth);
/* Returns H.265 chroma_format_idc value from GstVaapiChromaType */
G_GNUC_INTERNAL
guint
gst_vaapi_utils_h265_get_chroma_format_idc (GstVaapiChromaType chroma_type);
G_END_DECLS
#endif /* GST_VAAPI_UTILS_H265_PRIV_H */