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7f1f879e28
Add "Constrained Baseline Profile" and "High 10 Profile" definitions and helper functiions.
134 lines
3.8 KiB
C
134 lines
3.8 KiB
C
/*
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* gstvaapiutils_h264.c - H.264 related utilities
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*
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* Copyright (C) 2011-2013 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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#include "sysdeps.h"
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#include <gst/codecparsers/gsth264parser.h>
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#include "gstvaapiutils_h264.h"
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/** Returns GstVaapiProfile from H.264 profile_idc value */
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GstVaapiProfile
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gst_vaapi_utils_h264_get_profile (guint8 profile_idc)
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{
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GstVaapiProfile profile;
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switch (profile_idc) {
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case GST_H264_PROFILE_BASELINE:
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profile = GST_VAAPI_PROFILE_H264_BASELINE;
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break;
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case GST_H264_PROFILE_MAIN:
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profile = GST_VAAPI_PROFILE_H264_MAIN;
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break;
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case GST_H264_PROFILE_HIGH:
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profile = GST_VAAPI_PROFILE_H264_HIGH;
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break;
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case GST_H264_PROFILE_HIGH10:
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profile = GST_VAAPI_PROFILE_H264_HIGH10;
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break;
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default:
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g_assert (0 && "unsupported profile_idc value");
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profile = GST_VAAPI_PROFILE_UNKNOWN;
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break;
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}
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return profile;
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}
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/** Returns H.264 profile_idc value from GstVaapiProfile */
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guint8
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gst_vaapi_utils_h264_get_profile_idc (GstVaapiProfile profile)
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{
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guint8 profile_idc;
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switch (profile) {
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case GST_VAAPI_PROFILE_H264_BASELINE:
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case GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE:
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profile_idc = GST_H264_PROFILE_BASELINE;
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break;
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case GST_VAAPI_PROFILE_H264_MAIN:
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profile_idc = GST_H264_PROFILE_MAIN;
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break;
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case GST_VAAPI_PROFILE_H264_HIGH:
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profile_idc = GST_H264_PROFILE_HIGH;
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break;
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case GST_VAAPI_PROFILE_H264_HIGH10:
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profile_idc = GST_H264_PROFILE_HIGH10;
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break;
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default:
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g_assert (0 && "unsupported GstVaapiProfile value");
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profile_idc = 0;
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break;
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}
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return profile_idc;
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}
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/** Returns GstVaapiChromaType from H.264 chroma_format_idc value */
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GstVaapiChromaType
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gst_vaapi_utils_h264_get_chroma_type (guint chroma_format_idc)
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{
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GstVaapiChromaType chroma_type;
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switch (chroma_format_idc) {
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case 0:
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chroma_type = GST_VAAPI_CHROMA_TYPE_YUV400;
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break;
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case 1:
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chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
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break;
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case 2:
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chroma_type = GST_VAAPI_CHROMA_TYPE_YUV422;
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break;
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case 3:
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chroma_type = GST_VAAPI_CHROMA_TYPE_YUV444;
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break;
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default:
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g_assert (0 && "unsupported chroma_format_idc value");
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chroma_type = (GstVaapiChromaType) 0;
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break;
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}
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return chroma_type;
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}
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/** Returns H.264 chroma_format_idc value from GstVaapiChromaType */
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guint
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gst_vaapi_utils_h264_get_chroma_format_idc (GstVaapiChromaType chroma_type)
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{
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guint chroma_format_idc;
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switch (chroma_type) {
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case GST_VAAPI_CHROMA_TYPE_YUV400:
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chroma_format_idc = 0;
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break;
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case GST_VAAPI_CHROMA_TYPE_YUV420:
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chroma_format_idc = 1;
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break;
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case GST_VAAPI_CHROMA_TYPE_YUV422:
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chroma_format_idc = 2;
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break;
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case GST_VAAPI_CHROMA_TYPE_YUV444:
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chroma_format_idc = 3;
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break;
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default:
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g_assert (0 && "unsupported GstVaapiChromaType value");
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chroma_format_idc = 1;
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break;
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}
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return chroma_format_idc;
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}
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