/* * gstvaapiutils_h264_priv.h - H.264 related utilities * * Copyright (C) 2011-2014 Intel Corporation * Author: Gwenole Beauchesne <gwenole.beauchesne@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_H264_PRIV_H #define GST_VAAPI_UTILS_H264_PRIV_H #include "gstvaapiutils_h264.h" #include "gstvaapisurface.h" G_BEGIN_DECLS /** * GstVaapiH264LevelLimits: * @level: the #GstVaapiLevelH264 * @level_idc: the H.264 level_idc value * @MaxMBPS: the maximum macroblock processing rate (MB/sec) * @MaxFS: the maximum frame size (MBs) * @MaxDpbMbs: the maxium decoded picture buffer size (MBs) * @MaxBR: the maximum video bit rate (kbps) * @MaxCPB: the maximum CPB size (kbits) * @MinCR: the minimum Compression Ratio * * The data structure that describes the limits of an H.264 level. */ typedef struct { GstVaapiLevelH264 level; guint8 level_idc; guint32 MaxMBPS; guint32 MaxFS; guint32 MaxDpbMbs; guint32 MaxBR; guint32 MaxCPB; guint32 MinCR; } GstVaapiH264LevelLimits; /* Returns GstVaapiProfile from H.264 profile_idc value */ G_GNUC_INTERNAL GstVaapiProfile gst_vaapi_utils_h264_get_profile (guint8 profile_idc); /* Returns H.264 profile_idc value from GstVaapiProfile */ G_GNUC_INTERNAL guint8 gst_vaapi_utils_h264_get_profile_idc (GstVaapiProfile profile); /* Returns GstVaapiLevelH264 from H.264 level_idc value */ G_GNUC_INTERNAL GstVaapiLevelH264 gst_vaapi_utils_h264_get_level (guint8 level_idc); /* Returns H.264 level_idc value from GstVaapiLevelH264 */ G_GNUC_INTERNAL guint8 gst_vaapi_utils_h264_get_level_idc (GstVaapiLevelH264 level); /* Returns level limits as specified in Table A-1 of the H.264 standard */ G_GNUC_INTERNAL const GstVaapiH264LevelLimits * gst_vaapi_utils_h264_get_level_limits (GstVaapiLevelH264 level); /* Returns the Table A-1 specification */ G_GNUC_INTERNAL const GstVaapiH264LevelLimits * gst_vaapi_utils_h264_get_level_limits_table (guint * out_length_ptr); /* Returns GstVaapiChromaType from H.264 chroma_format_idc value */ G_GNUC_INTERNAL GstVaapiChromaType gst_vaapi_utils_h264_get_chroma_type (guint chroma_format_idc); /* Returns H.264 chroma_format_idc value from GstVaapiChromaType */ G_GNUC_INTERNAL guint gst_vaapi_utils_h264_get_chroma_format_idc (GstVaapiChromaType chroma_type); G_END_DECLS #endif /* GST_VAAPI_UTILS_H264_PRIV_H */