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416ab33e34
Add extended profile (A.2.3), high 4:2:2 profile (A.2.6), high 4:2:2 profiles (A.2.7, A.2.10), scalable profiles (G.10.1.1, G.10.1.2) and multiview profiles (H.10.1.1, H.10.1.2). Document "Constrained Baseline" and "High 10" profiles.
247 lines
8 KiB
C
247 lines
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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/* Table A-1 - Level limits */
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/* *INDENT-OFF* */
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static const GstVaapiH264LevelLimits gst_vaapi_h264_level_limits[] = {
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/* level idc MaxMBPS MaxFS MaxDpbMbs MaxBR */
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{ GST_VAAPI_LEVEL_H264_L1, 10, 1485, 99, 396, 64 },
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{ GST_VAAPI_LEVEL_H264_L1b, 11, 1485, 99, 396, 128 },
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{ GST_VAAPI_LEVEL_H264_L1_1, 11, 3000, 396, 900, 192 },
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{ GST_VAAPI_LEVEL_H264_L1_2, 12, 6000, 396, 2376, 384 },
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{ GST_VAAPI_LEVEL_H264_L1_3, 13, 11880, 396, 2376, 768 },
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{ GST_VAAPI_LEVEL_H264_L2, 20, 11880, 396, 2376, 2000 },
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{ GST_VAAPI_LEVEL_H264_L2_1, 21, 19800, 792, 4752, 4000 },
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{ GST_VAAPI_LEVEL_H264_L2_2, 22, 20250, 1620, 8100, 4000 },
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{ GST_VAAPI_LEVEL_H264_L3, 30, 40500, 1620, 8100, 10000 },
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{ GST_VAAPI_LEVEL_H264_L3_1, 31, 108000, 3600, 18000, 14000 },
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{ GST_VAAPI_LEVEL_H264_L3_2, 32, 216000, 5120, 20480, 20000 },
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{ GST_VAAPI_LEVEL_H264_L4, 40, 245760, 8192, 32768, 20000 },
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{ GST_VAAPI_LEVEL_H264_L4_1, 41, 245760, 8192, 32768, 50000 },
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{ GST_VAAPI_LEVEL_H264_L4_2, 42, 522240, 8704, 34816, 50000 },
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{ GST_VAAPI_LEVEL_H264_L5, 50, 589824, 22080, 110400, 135000 },
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{ GST_VAAPI_LEVEL_H264_L5_1, 51, 983040, 36864, 184320, 240000 },
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{ GST_VAAPI_LEVEL_H264_L5_2, 52, 2073600, 36864, 184320, 240000 },
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{ 0, }
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};
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/* *INDENT-ON* */
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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_EXTENDED:
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profile = GST_VAAPI_PROFILE_H264_EXTENDED;
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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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case GST_H264_PROFILE_HIGH_422:
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profile = GST_VAAPI_PROFILE_H264_HIGH_422;
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break;
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case GST_H264_PROFILE_HIGH_444:
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profile = GST_VAAPI_PROFILE_H264_HIGH_444;
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break;
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case GST_H264_PROFILE_SCALABLE_BASELINE:
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profile = GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE;
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break;
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case GST_H264_PROFILE_SCALABLE_HIGH:
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profile = GST_VAAPI_PROFILE_H264_SCALABLE_HIGH;
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break;
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case GST_H264_PROFILE_MULTIVIEW_HIGH:
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profile = GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH;
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break;
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case GST_H264_PROFILE_STEREO_HIGH:
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profile = GST_VAAPI_PROFILE_H264_STEREO_HIGH;
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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_EXTENDED:
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profile_idc = GST_H264_PROFILE_EXTENDED;
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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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case GST_VAAPI_PROFILE_H264_HIGH_422:
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profile_idc = GST_H264_PROFILE_HIGH_422;
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break;
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case GST_VAAPI_PROFILE_H264_HIGH_444:
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profile_idc = GST_H264_PROFILE_HIGH_444;
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break;
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case GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE:
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profile_idc = GST_H264_PROFILE_SCALABLE_BASELINE;
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break;
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case GST_VAAPI_PROFILE_H264_SCALABLE_HIGH:
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profile_idc = GST_H264_PROFILE_SCALABLE_HIGH;
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break;
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case GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH:
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profile_idc = GST_H264_PROFILE_MULTIVIEW_HIGH;
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break;
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case GST_VAAPI_PROFILE_H264_STEREO_HIGH:
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profile_idc = GST_H264_PROFILE_STEREO_HIGH;
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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 GstVaapiLevelH264 from H.264 level_idc value */
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GstVaapiLevelH264
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gst_vaapi_utils_h264_get_level (guint8 level_idc)
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{
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const GstVaapiH264LevelLimits *llp;
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// Prefer Level 1.1 over level 1b
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if (G_UNLIKELY (level_idc == 11))
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return GST_VAAPI_LEVEL_H264_L1_1;
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for (llp = gst_vaapi_h264_level_limits; llp->level != 0; llp++) {
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if (llp->level_idc == level_idc)
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return llp->level;
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}
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g_assert (0 && "unsupported level_idc value");
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return (GstVaapiLevelH264) 0;
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}
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/** Returns H.264 level_idc value from GstVaapiLevelH264 */
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guint8
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gst_vaapi_utils_h264_get_level_idc (GstVaapiLevelH264 level)
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{
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const GstVaapiH264LevelLimits *const llp =
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gst_vaapi_utils_h264_get_level_limits (level);
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return llp ? llp->level_idc : 0;
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}
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/** Returns level limits as specified in Table A-1 of the H.264 standard */
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const GstVaapiH264LevelLimits *
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gst_vaapi_utils_h264_get_level_limits (GstVaapiLevelH264 level)
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{
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if (level < GST_VAAPI_LEVEL_H264_L1 || level > GST_VAAPI_LEVEL_H264_L5_2)
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return NULL;
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return &gst_vaapi_h264_level_limits[level - GST_VAAPI_LEVEL_H264_L1];
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}
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/** Returns the Table A-1 specification */
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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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{
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if (out_length_ptr)
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*out_length_ptr = G_N_ELEMENTS (gst_vaapi_h264_level_limits) - 1;
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return gst_vaapi_h264_level_limits;
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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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