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f775bbfe07
Add MinCR(Minimum Compression Ratio) field to GstVaapiH264LevelLimits based on Annex A.3 https://bugzilla.gnome.org/show_bug.cgi?id=784590
97 lines
3 KiB
C
97 lines
3 KiB
C
/*
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* gstvaapiutils_h264_priv.h - H.264 related utilities
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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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*
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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_UTILS_H264_PRIV_H
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#define GST_VAAPI_UTILS_H264_PRIV_H
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#include "gstvaapiutils_h264.h"
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#include "libgstvaapi_priv_check.h"
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G_BEGIN_DECLS
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/**
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* GstVaapiH264LevelLimits:
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* @level: the #GstVaapiLevelH264
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* @level_idc: the H.264 level_idc value
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* @MaxMBPS: the maximum macroblock processing rate (MB/sec)
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* @MaxFS: the maximum frame size (MBs)
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* @MaxDpbMbs: the maxium decoded picture buffer size (MBs)
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* @MaxBR: the maximum video bit rate (kbps)
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* @MaxCPB: the maximum CPB size (kbits)
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* @MinCR: the minimum Compression Ratio
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*
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* The data structure that describes the limits of an H.264 level.
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*/
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typedef struct {
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GstVaapiLevelH264 level;
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guint8 level_idc;
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guint32 MaxMBPS;
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guint32 MaxFS;
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guint32 MaxDpbMbs;
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guint32 MaxBR;
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guint32 MaxCPB;
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guint32 MinCR;
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} GstVaapiH264LevelLimits;
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/* Returns GstVaapiProfile from H.264 profile_idc value */
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G_GNUC_INTERNAL
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GstVaapiProfile
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gst_vaapi_utils_h264_get_profile (guint8 profile_idc);
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/* Returns H.264 profile_idc value from GstVaapiProfile */
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G_GNUC_INTERNAL
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guint8
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gst_vaapi_utils_h264_get_profile_idc (GstVaapiProfile profile);
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/* Returns GstVaapiLevelH264 from H.264 level_idc value */
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G_GNUC_INTERNAL
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GstVaapiLevelH264
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gst_vaapi_utils_h264_get_level (guint8 level_idc);
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/* Returns H.264 level_idc value from GstVaapiLevelH264 */
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G_GNUC_INTERNAL
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guint8
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gst_vaapi_utils_h264_get_level_idc (GstVaapiLevelH264 level);
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/* Returns level limits as specified in Table A-1 of the H.264 standard */
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G_GNUC_INTERNAL
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const GstVaapiH264LevelLimits *
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gst_vaapi_utils_h264_get_level_limits (GstVaapiLevelH264 level);
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/* Returns the Table A-1 specification */
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G_GNUC_INTERNAL
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const GstVaapiH264LevelLimits *
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gst_vaapi_utils_h264_get_level_limits_table (guint * out_length_ptr);
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/* Returns GstVaapiChromaType from H.264 chroma_format_idc value */
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G_GNUC_INTERNAL
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GstVaapiChromaType
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gst_vaapi_utils_h264_get_chroma_type (guint chroma_format_idc);
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/* Returns H.264 chroma_format_idc value from GstVaapiChromaType */
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G_GNUC_INTERNAL
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guint
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gst_vaapi_utils_h264_get_chroma_format_idc (GstVaapiChromaType chroma_type);
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G_END_DECLS
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#endif /* GST_VAAPI_UTILS_H264_PRIV_H */
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