2013-10-12 12:55:48 +03:00
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/*
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* HEVC Supplementary Enhancement Information messages
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*
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* Copyright (C) 2012 - 2013 Guillaume Martres
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* Copyright (C) 2012 - 2013 Gildas Cocherel
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* Copyright (C) 2013 Vittorio Giovara
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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 FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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2020-08-09 22:53:38 +02:00
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#include "atsc_a53.h"
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2022-04-06 16:49:25 +02:00
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#include "bytestream.h"
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2020-11-23 23:29:34 +02:00
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#include "dynamic_hdr10_plus.h"
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2022-02-14 17:17:11 +02:00
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#include "dynamic_hdr_vivid.h"
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2013-10-12 12:55:48 +03:00
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#include "golomb.h"
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2017-04-30 16:34:06 +02:00
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#include "hevc_ps.h"
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#include "hevc_sei.h"
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2015-07-25 15:26:28 +02:00
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2022-04-06 16:49:25 +02:00
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static int decode_nal_sei_decoded_picture_hash(HEVCSEIPictureHash *s,
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GetByteContext *gb)
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2013-10-12 12:55:48 +03:00
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{
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2022-04-06 16:49:25 +02:00
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int cIdx;
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2013-10-12 12:55:48 +03:00
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uint8_t hash_type;
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//uint16_t picture_crc;
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//uint32_t picture_checksum;
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2022-04-06 16:49:25 +02:00
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hash_type = bytestream2_get_byte(gb);
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2013-10-12 12:55:48 +03:00
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2013-11-02 02:31:49 +03:00
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for (cIdx = 0; cIdx < 3/*((s->sps->chroma_format_idc == 0) ? 1 : 3)*/; cIdx++) {
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if (hash_type == 0) {
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2013-10-12 12:55:48 +03:00
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s->is_md5 = 1;
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2022-04-06 16:49:25 +02:00
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bytestream2_get_buffer(gb, s->md5[cIdx], sizeof(s->md5[cIdx]));
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2013-11-02 13:59:02 +03:00
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} else if (hash_type == 1) {
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2013-10-12 12:55:48 +03:00
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// picture_crc = get_bits(gb, 16);
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2013-11-02 02:31:49 +03:00
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} else if (hash_type == 2) {
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2014-06-08 00:37:27 +03:00
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// picture_checksum = get_bits_long(gb, 32);
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2013-10-12 12:55:48 +03:00
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}
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}
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2015-07-25 15:26:29 +02:00
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return 0;
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2013-10-12 12:55:48 +03:00
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}
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2022-04-06 16:49:25 +02:00
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static int decode_nal_sei_mastering_display_info(HEVCSEIMasteringDisplay *s,
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GetByteContext *gb)
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2016-01-21 20:56:50 +02:00
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{
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int i;
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2021-09-09 13:03:54 +02:00
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2022-04-06 16:49:25 +02:00
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if (bytestream2_get_bytes_left(gb) < 24)
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2021-09-09 13:03:54 +02:00
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return AVERROR_INVALIDDATA;
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2016-01-21 20:56:50 +02:00
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// Mastering primaries
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for (i = 0; i < 3; i++) {
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2022-04-06 16:49:25 +02:00
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s->display_primaries[i][0] = bytestream2_get_be16u(gb);
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s->display_primaries[i][1] = bytestream2_get_be16u(gb);
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2016-01-21 20:56:50 +02:00
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}
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// White point (x, y)
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2022-04-06 16:49:25 +02:00
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s->white_point[0] = bytestream2_get_be16u(gb);
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s->white_point[1] = bytestream2_get_be16u(gb);
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2016-01-21 20:56:50 +02:00
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// Max and min luminance of mastering display
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2022-04-06 16:49:25 +02:00
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s->max_luminance = bytestream2_get_be32u(gb);
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s->min_luminance = bytestream2_get_be32u(gb);
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2016-01-21 20:56:50 +02:00
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// As this SEI message comes before the first frame that references it,
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// initialize the flag to 2 and decrement on IRAP access unit so it
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// persists for the coded video sequence (e.g., between two IRAPs)
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2017-04-30 03:01:03 +02:00
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s->present = 2;
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2021-09-09 13:03:54 +02:00
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2016-01-21 20:56:50 +02:00
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return 0;
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}
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2022-04-06 16:49:25 +02:00
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static int decode_nal_sei_content_light_info(HEVCSEIContentLight *s,
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GetByteContext *gb)
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2017-04-03 09:29:46 +02:00
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{
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2022-04-06 16:49:25 +02:00
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if (bytestream2_get_bytes_left(gb) < 4)
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2021-09-09 13:03:54 +02:00
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return AVERROR_INVALIDDATA;
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2017-04-03 09:29:46 +02:00
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// Max and average light levels
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2022-04-06 16:49:25 +02:00
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s->max_content_light_level = bytestream2_get_be16u(gb);
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s->max_pic_average_light_level = bytestream2_get_be16u(gb);
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2017-04-03 09:29:46 +02:00
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// As this SEI message comes before the first frame that references it,
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// initialize the flag to 2 and decrement on IRAP access unit so it
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// persists for the coded video sequence (e.g., between two IRAPs)
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2017-04-30 03:01:03 +02:00
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s->present = 2;
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2021-09-09 13:03:54 +02:00
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2017-04-03 09:29:46 +02:00
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return 0;
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}
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2017-04-30 03:01:03 +02:00
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static int decode_nal_sei_frame_packing_arrangement(HEVCSEIFramePacking *s, GetBitContext *gb)
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2013-10-12 12:55:48 +03:00
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{
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2015-12-29 09:04:08 +02:00
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get_ue_golomb_long(gb); // frame_packing_arrangement_id
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2017-04-30 03:01:03 +02:00
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s->present = !get_bits1(gb);
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2013-12-13 18:39:45 +03:00
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2017-04-30 03:01:03 +02:00
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if (s->present) {
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s->arrangement_type = get_bits(gb, 7);
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2013-12-13 18:39:45 +03:00
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s->quincunx_subsampling = get_bits1(gb);
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s->content_interpretation_type = get_bits(gb, 6);
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2013-10-12 12:55:48 +03:00
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2017-09-25 15:09:21 +02:00
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// spatial_flipping_flag, frame0_flipped_flag, field_views_flag
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skip_bits(gb, 3);
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s->current_frame_is_frame0_flag = get_bits1(gb);
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2013-10-12 12:55:48 +03:00
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}
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2015-07-25 15:26:29 +02:00
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return 0;
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2013-10-12 12:55:48 +03:00
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}
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2017-04-30 03:01:03 +02:00
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static int decode_nal_sei_display_orientation(HEVCSEIDisplayOrientation *s, GetBitContext *gb)
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2014-07-02 19:02:15 +03:00
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{
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2017-04-30 03:01:03 +02:00
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s->present = !get_bits1(gb);
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2014-07-02 19:02:15 +03:00
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2017-04-30 03:01:03 +02:00
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if (s->present) {
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s->hflip = get_bits1(gb); // hor_flip
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s->vflip = get_bits1(gb); // ver_flip
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2014-07-02 19:02:15 +03:00
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2017-04-30 03:01:03 +02:00
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s->anticlockwise_rotation = get_bits(gb, 16);
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2022-04-06 14:57:38 +02:00
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// skip_bits1(gb); // display_orientation_persistence_flag
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2014-07-02 19:02:15 +03:00
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}
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2015-07-25 15:26:29 +02:00
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return 0;
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2014-07-02 19:02:15 +03:00
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}
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2022-04-06 16:49:25 +02:00
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static int decode_nal_sei_pic_timing(HEVCSEI *s, GetBitContext *gb,
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const HEVCParamSets *ps, void *logctx)
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2013-10-30 14:28:19 +03:00
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{
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2017-04-30 03:01:03 +02:00
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HEVCSEIPictureTiming *h = &s->picture_timing;
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2013-11-03 03:53:19 +03:00
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HEVCSPS *sps;
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2013-10-30 14:28:19 +03:00
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2017-04-30 03:01:03 +02:00
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if (!ps->sps_list[s->active_seq_parameter_set_id])
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2013-10-30 14:28:19 +03:00
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return(AVERROR(ENOMEM));
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2017-04-30 03:01:03 +02:00
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sps = (HEVCSPS*)ps->sps_list[s->active_seq_parameter_set_id]->data;
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2013-10-30 14:28:19 +03:00
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if (sps->vui.frame_field_info_present_flag) {
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int pic_struct = get_bits(gb, 4);
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2017-04-30 03:01:03 +02:00
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h->picture_struct = AV_PICTURE_STRUCTURE_UNKNOWN;
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2017-09-28 03:48:42 +02:00
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if (pic_struct == 2 || pic_struct == 10 || pic_struct == 12) {
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2017-04-30 03:01:03 +02:00
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av_log(logctx, AV_LOG_DEBUG, "BOTTOM Field\n");
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h->picture_struct = AV_PICTURE_STRUCTURE_BOTTOM_FIELD;
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2017-09-28 03:48:42 +02:00
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} else if (pic_struct == 1 || pic_struct == 9 || pic_struct == 11) {
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2017-04-30 03:01:03 +02:00
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av_log(logctx, AV_LOG_DEBUG, "TOP Field\n");
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h->picture_struct = AV_PICTURE_STRUCTURE_TOP_FIELD;
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2020-01-23 15:24:17 +02:00
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} else if (pic_struct == 7) {
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av_log(logctx, AV_LOG_DEBUG, "Frame/Field Doubling\n");
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h->picture_struct = HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING;
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} else if (pic_struct == 8) {
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av_log(logctx, AV_LOG_DEBUG, "Frame/Field Tripling\n");
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h->picture_struct = HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING;
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2013-10-30 14:28:19 +03:00
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}
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}
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2017-05-07 01:31:45 +02:00
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return 0;
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2013-10-30 14:28:19 +03:00
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}
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2022-04-06 16:49:25 +02:00
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static int decode_registered_user_data_closed_caption(HEVCSEIA53Caption *s,
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GetByteContext *gb)
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2015-11-06 22:48:46 +02:00
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{
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2020-08-09 22:53:38 +02:00
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int ret;
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2015-11-06 22:48:46 +02:00
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2022-04-06 16:49:25 +02:00
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ret = ff_parse_a53_cc(&s->buf_ref, gb->buffer,
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bytestream2_get_bytes_left(gb));
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2020-08-09 22:53:38 +02:00
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if (ret < 0)
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return ret;
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2015-11-06 22:48:46 +02:00
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return 0;
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}
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2022-04-06 16:49:25 +02:00
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static int decode_nal_sei_user_data_unregistered(HEVCSEIUnregistered *s,
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GetByteContext *gb)
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2020-06-11 04:25:47 +02:00
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{
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AVBufferRef *buf_ref, **tmp;
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2022-04-06 16:49:25 +02:00
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int size = bytestream2_get_bytes_left(gb);
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2020-06-11 04:25:47 +02:00
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if (size < 16 || size >= INT_MAX - 1)
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return AVERROR_INVALIDDATA;
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tmp = av_realloc_array(s->buf_ref, s->nb_buf_ref + 1, sizeof(*s->buf_ref));
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if (!tmp)
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return AVERROR(ENOMEM);
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s->buf_ref = tmp;
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buf_ref = av_buffer_alloc(size + 1);
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if (!buf_ref)
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return AVERROR(ENOMEM);
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2022-04-06 16:49:25 +02:00
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bytestream2_get_bufferu(gb, buf_ref->data, size);
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2020-06-11 04:25:47 +02:00
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buf_ref->data[size] = 0;
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buf_ref->size = size;
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s->buf_ref[s->nb_buf_ref++] = buf_ref;
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return 0;
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}
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2020-12-06 16:04:05 +02:00
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static int decode_registered_user_data_dynamic_hdr_plus(HEVCSEIDynamicHDRPlus *s,
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2022-04-06 16:49:25 +02:00
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GetByteContext *gb)
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2020-12-06 16:04:05 +02:00
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{
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size_t meta_size;
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int err;
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AVDynamicHDRPlus *metadata = av_dynamic_hdr_plus_alloc(&meta_size);
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if (!metadata)
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return AVERROR(ENOMEM);
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2022-04-06 16:49:25 +02:00
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err = ff_parse_itu_t_t35_to_dynamic_hdr10_plus(metadata, gb->buffer,
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bytestream2_get_bytes_left(gb));
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2020-12-06 16:04:05 +02:00
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if (err < 0) {
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av_free(metadata);
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return err;
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}
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av_buffer_unref(&s->info);
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s->info = av_buffer_create((uint8_t *)metadata, meta_size, NULL, NULL, 0);
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if (!s->info) {
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av_free(metadata);
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return AVERROR(ENOMEM);
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}
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return 0;
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}
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2022-02-14 17:17:11 +02:00
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static int decode_registered_user_data_dynamic_hdr_vivid(HEVCSEIDynamicHDRVivid *s,
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2022-04-06 16:49:25 +02:00
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GetByteContext *gb)
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2022-02-14 17:17:11 +02:00
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{
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size_t meta_size;
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int err;
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AVDynamicHDRVivid *metadata = av_dynamic_hdr_vivid_alloc(&meta_size);
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if (!metadata)
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return AVERROR(ENOMEM);
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err = ff_parse_itu_t_t35_to_dynamic_hdr_vivid(metadata,
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2022-04-06 16:49:25 +02:00
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gb->buffer, bytestream2_get_bytes_left(gb));
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2022-02-14 17:17:11 +02:00
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if (err < 0) {
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av_free(metadata);
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return err;
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}
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av_buffer_unref(&s->info);
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s->info = av_buffer_create((uint8_t *)metadata, meta_size, NULL, NULL, 0);
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if (!s->info) {
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av_free(metadata);
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return AVERROR(ENOMEM);
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}
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return 0;
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}
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2022-04-06 16:49:25 +02:00
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static int decode_nal_sei_user_data_registered_itu_t_t35(HEVCSEI *s, GetByteContext *gb,
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void *logctx)
|
2015-11-06 22:48:46 +02:00
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{
|
2020-12-08 21:32:29 +02:00
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int country_code, provider_code;
|
2015-11-06 22:48:46 +02:00
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2022-04-06 16:49:25 +02:00
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if (bytestream2_get_bytes_left(gb) < 3)
|
2020-12-18 17:44:27 +02:00
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return AVERROR_INVALIDDATA;
|
2015-11-06 22:48:46 +02:00
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2022-04-06 16:49:25 +02:00
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country_code = bytestream2_get_byteu(gb);
|
2015-11-06 22:48:46 +02:00
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if (country_code == 0xFF) {
|
2022-04-06 16:49:25 +02:00
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if (bytestream2_get_bytes_left(gb) < 3)
|
2020-12-08 21:32:29 +02:00
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|
|
return AVERROR_INVALIDDATA;
|
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
bytestream2_skipu(gb, 1);
|
2015-11-06 22:48:46 +02:00
|
|
|
}
|
|
|
|
|
2022-02-14 17:17:11 +02:00
|
|
|
if (country_code != 0xB5 && country_code != 0x26) { // usa_country_code and cn_country_code
|
2020-12-08 21:34:32 +02:00
|
|
|
av_log(logctx, AV_LOG_VERBOSE,
|
2022-02-14 17:17:11 +02:00
|
|
|
"Unsupported User Data Registered ITU-T T35 SEI message (country_code = 0x%x)\n",
|
2020-12-08 21:34:32 +02:00
|
|
|
country_code);
|
2022-04-06 14:57:38 +02:00
|
|
|
return 0;
|
2020-12-08 21:34:32 +02:00
|
|
|
}
|
2020-12-08 21:32:29 +02:00
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
provider_code = bytestream2_get_be16u(gb);
|
2020-11-23 23:29:34 +02:00
|
|
|
|
2020-12-08 21:32:29 +02:00
|
|
|
switch (provider_code) {
|
2022-02-14 17:17:11 +02:00
|
|
|
case 0x04: { // cuva_provider_code
|
|
|
|
const uint16_t cuva_provider_oriented_code = 0x0005;
|
|
|
|
uint16_t provider_oriented_code;
|
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
if (bytestream2_get_bytes_left(gb) < 2)
|
2022-02-14 17:17:11 +02:00
|
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
provider_oriented_code = bytestream2_get_be16u(gb);
|
2022-02-14 17:17:11 +02:00
|
|
|
if (provider_oriented_code == cuva_provider_oriented_code) {
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_registered_user_data_dynamic_hdr_vivid(&s->dynamic_hdr_vivid, gb);
|
2022-02-14 17:17:11 +02:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
2020-12-08 21:32:29 +02:00
|
|
|
case 0x3C: { // smpte_provider_code
|
2020-12-06 17:29:18 +02:00
|
|
|
// A/341 Amendment - 2094-40
|
2020-11-23 23:29:34 +02:00
|
|
|
const uint16_t smpte2094_40_provider_oriented_code = 0x0001;
|
|
|
|
const uint8_t smpte2094_40_application_identifier = 0x04;
|
2020-12-06 17:30:13 +02:00
|
|
|
uint16_t provider_oriented_code;
|
|
|
|
uint8_t application_identifier;
|
2020-11-23 23:29:34 +02:00
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
if (bytestream2_get_bytes_left(gb) < 3)
|
2020-12-18 17:44:27 +02:00
|
|
|
return AVERROR_INVALIDDATA;
|
2020-11-23 23:29:34 +02:00
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
provider_oriented_code = bytestream2_get_be16u(gb);
|
|
|
|
application_identifier = bytestream2_get_byteu(gb);
|
2020-11-23 23:29:34 +02:00
|
|
|
if (provider_oriented_code == smpte2094_40_provider_oriented_code &&
|
|
|
|
application_identifier == smpte2094_40_application_identifier) {
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_registered_user_data_dynamic_hdr_plus(&s->dynamic_hdr_plus, gb);
|
2020-11-23 23:29:34 +02:00
|
|
|
}
|
2020-12-08 21:32:29 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case 0x31: { // atsc_provider_code
|
2020-12-06 17:30:13 +02:00
|
|
|
uint32_t user_identifier;
|
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
if (bytestream2_get_bytes_left(gb) < 4)
|
2020-12-18 17:44:27 +02:00
|
|
|
return AVERROR_INVALIDDATA;
|
2020-12-06 17:30:13 +02:00
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
user_identifier = bytestream2_get_be32u(gb);
|
2020-11-23 23:29:34 +02:00
|
|
|
switch (user_identifier) {
|
2015-11-06 22:48:46 +02:00
|
|
|
case MKBETAG('G', 'A', '9', '4'):
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_registered_user_data_closed_caption(&s->a53_caption, gb);
|
2015-11-06 22:48:46 +02:00
|
|
|
default:
|
2020-12-08 21:34:32 +02:00
|
|
|
av_log(logctx, AV_LOG_VERBOSE,
|
|
|
|
"Unsupported User Data Registered ITU-T T35 SEI message (atsc user_identifier = 0x%04x)\n",
|
|
|
|
user_identifier);
|
2015-11-06 22:48:46 +02:00
|
|
|
break;
|
2020-11-23 23:29:34 +02:00
|
|
|
}
|
2020-12-08 21:32:29 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
2020-12-08 21:34:32 +02:00
|
|
|
av_log(logctx, AV_LOG_VERBOSE,
|
|
|
|
"Unsupported User Data Registered ITU-T T35 SEI message (provider_code = %d)\n",
|
|
|
|
provider_code);
|
2020-12-08 21:32:29 +02:00
|
|
|
break;
|
2015-11-06 22:48:46 +02:00
|
|
|
}
|
2020-12-08 21:32:29 +02:00
|
|
|
|
2015-11-06 22:48:46 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2017-10-31 17:27:57 +02:00
|
|
|
static int decode_nal_sei_active_parameter_sets(HEVCSEI *s, GetBitContext *gb, void *logctx)
|
2013-11-02 02:31:49 +03:00
|
|
|
{
|
2013-10-30 14:28:19 +03:00
|
|
|
int num_sps_ids_minus1;
|
2013-11-03 04:07:31 +03:00
|
|
|
unsigned active_seq_parameter_set_id;
|
2013-10-30 14:28:19 +03:00
|
|
|
|
|
|
|
get_bits(gb, 4); // active_video_parameter_set_id
|
|
|
|
get_bits(gb, 1); // self_contained_cvs_flag
|
|
|
|
get_bits(gb, 1); // num_sps_ids_minus1
|
|
|
|
num_sps_ids_minus1 = get_ue_golomb_long(gb); // num_sps_ids_minus1
|
|
|
|
|
2015-05-13 01:31:15 +02:00
|
|
|
if (num_sps_ids_minus1 < 0 || num_sps_ids_minus1 > 15) {
|
2017-04-30 03:01:03 +02:00
|
|
|
av_log(logctx, AV_LOG_ERROR, "num_sps_ids_minus1 %d invalid\n", num_sps_ids_minus1);
|
2015-05-13 01:31:15 +02:00
|
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
}
|
|
|
|
|
2013-11-03 04:07:31 +03:00
|
|
|
active_seq_parameter_set_id = get_ue_golomb_long(gb);
|
2017-03-23 19:27:48 +02:00
|
|
|
if (active_seq_parameter_set_id >= HEVC_MAX_SPS_COUNT) {
|
2017-04-30 03:01:03 +02:00
|
|
|
av_log(logctx, AV_LOG_ERROR, "active_parameter_set_id %d invalid\n", active_seq_parameter_set_id);
|
2013-11-03 04:07:31 +03:00
|
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
}
|
|
|
|
s->active_seq_parameter_set_id = active_seq_parameter_set_id;
|
2013-10-30 14:28:19 +03:00
|
|
|
|
2013-11-03 04:07:31 +03:00
|
|
|
return 0;
|
2013-10-30 14:28:19 +03:00
|
|
|
}
|
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
static int decode_nal_sei_alternative_transfer(HEVCSEIAlternativeTransfer *s,
|
|
|
|
GetByteContext *gb)
|
2017-06-09 23:35:22 +02:00
|
|
|
{
|
2022-04-06 16:49:25 +02:00
|
|
|
if (bytestream2_get_bytes_left(gb) < 1)
|
2021-09-09 13:03:54 +02:00
|
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
|
2017-06-09 23:35:22 +02:00
|
|
|
s->present = 1;
|
2022-04-06 16:49:25 +02:00
|
|
|
s->preferred_transfer_characteristics = bytestream2_get_byteu(gb);
|
2021-09-09 13:03:54 +02:00
|
|
|
|
2017-06-09 23:35:22 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2020-06-15 14:55:17 +02:00
|
|
|
static int decode_nal_sei_timecode(HEVCSEITimeCode *s, GetBitContext *gb)
|
|
|
|
{
|
|
|
|
s->num_clock_ts = get_bits(gb, 2);
|
|
|
|
|
|
|
|
for (int i = 0; i < s->num_clock_ts; i++) {
|
|
|
|
s->clock_timestamp_flag[i] = get_bits(gb, 1);
|
|
|
|
|
|
|
|
if (s->clock_timestamp_flag[i]) {
|
|
|
|
s->units_field_based_flag[i] = get_bits(gb, 1);
|
|
|
|
s->counting_type[i] = get_bits(gb, 5);
|
|
|
|
s->full_timestamp_flag[i] = get_bits(gb, 1);
|
|
|
|
s->discontinuity_flag[i] = get_bits(gb, 1);
|
|
|
|
s->cnt_dropped_flag[i] = get_bits(gb, 1);
|
|
|
|
|
|
|
|
s->n_frames[i] = get_bits(gb, 9);
|
|
|
|
|
|
|
|
if (s->full_timestamp_flag[i]) {
|
|
|
|
s->seconds_value[i] = av_clip(get_bits(gb, 6), 0, 59);
|
|
|
|
s->minutes_value[i] = av_clip(get_bits(gb, 6), 0, 59);
|
|
|
|
s->hours_value[i] = av_clip(get_bits(gb, 5), 0, 23);
|
|
|
|
} else {
|
|
|
|
s->seconds_flag[i] = get_bits(gb, 1);
|
|
|
|
if (s->seconds_flag[i]) {
|
|
|
|
s->seconds_value[i] = av_clip(get_bits(gb, 6), 0, 59);
|
|
|
|
s->minutes_flag[i] = get_bits(gb, 1);
|
|
|
|
if (s->minutes_flag[i]) {
|
|
|
|
s->minutes_value[i] = av_clip(get_bits(gb, 6), 0, 59);
|
|
|
|
s->hours_flag[i] = get_bits(gb, 1);
|
|
|
|
if (s->hours_flag[i]) {
|
|
|
|
s->hours_value[i] = av_clip(get_bits(gb, 5), 0, 23);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
s->time_offset_length[i] = get_bits(gb, 5);
|
|
|
|
if (s->time_offset_length[i] > 0) {
|
2021-06-19 15:11:41 +02:00
|
|
|
s->time_offset_value[i] = get_bits_long(gb, s->time_offset_length[i]);
|
2020-06-15 14:55:17 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
s->present = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2021-07-23 19:10:00 +02:00
|
|
|
static int decode_film_grain_characteristics(HEVCSEIFilmGrainCharacteristics *h,
|
|
|
|
GetBitContext *gb)
|
|
|
|
{
|
|
|
|
h->present = !get_bits1(gb); // film_grain_characteristics_cancel_flag
|
|
|
|
|
|
|
|
if (h->present) {
|
|
|
|
memset(h, 0, sizeof(*h));
|
|
|
|
h->model_id = get_bits(gb, 2);
|
|
|
|
h->separate_colour_description_present_flag = get_bits1(gb);
|
|
|
|
if (h->separate_colour_description_present_flag) {
|
|
|
|
h->bit_depth_luma = get_bits(gb, 3) + 8;
|
|
|
|
h->bit_depth_chroma = get_bits(gb, 3) + 8;
|
|
|
|
h->full_range = get_bits1(gb);
|
|
|
|
h->color_primaries = get_bits(gb, 8);
|
|
|
|
h->transfer_characteristics = get_bits(gb, 8);
|
|
|
|
h->matrix_coeffs = get_bits(gb, 8);
|
|
|
|
}
|
|
|
|
h->blending_mode_id = get_bits(gb, 2);
|
|
|
|
h->log2_scale_factor = get_bits(gb, 4);
|
|
|
|
for (int c = 0; c < 3; c++)
|
|
|
|
h->comp_model_present_flag[c] = get_bits1(gb);
|
|
|
|
for (int c = 0; c < 3; c++) {
|
|
|
|
if (h->comp_model_present_flag[c]) {
|
|
|
|
h->num_intensity_intervals[c] = get_bits(gb, 8) + 1;
|
|
|
|
h->num_model_values[c] = get_bits(gb, 3) + 1;
|
|
|
|
if (h->num_model_values[c] > 6)
|
|
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
for (int i = 0; i < h->num_intensity_intervals[c]; i++) {
|
|
|
|
h->intensity_interval_lower_bound[c][i] = get_bits(gb, 8);
|
|
|
|
h->intensity_interval_upper_bound[c][i] = get_bits(gb, 8);
|
|
|
|
for (int j = 0; j < h->num_model_values[c]; j++)
|
|
|
|
h->comp_model_value[c][i][j] = get_se_golomb_long(gb);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
h->persistence_flag = get_bits1(gb);
|
|
|
|
|
|
|
|
h->present = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2020-06-15 14:55:17 +02:00
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
static int decode_nal_sei_prefix(GetBitContext *gb, GetByteContext *gbyte,
|
|
|
|
void *logctx, HEVCSEI *s,
|
|
|
|
const HEVCParamSets *ps, int type)
|
2015-08-01 15:39:44 +02:00
|
|
|
{
|
|
|
|
switch (type) {
|
|
|
|
case 256: // Mismatched value from HM 8.1
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_decoded_picture_hash(&s->picture_hash, gbyte);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_FRAME_PACKING_ARRANGEMENT:
|
2017-04-30 03:01:03 +02:00
|
|
|
return decode_nal_sei_frame_packing_arrangement(&s->frame_packing, gb);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_DISPLAY_ORIENTATION:
|
2017-04-30 03:01:03 +02:00
|
|
|
return decode_nal_sei_display_orientation(&s->display_orientation, gb);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_PIC_TIMING:
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_pic_timing(s, gb, ps, logctx);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_mastering_display_info(&s->mastering_display, gbyte);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO:
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_content_light_info(&s->content_light, gbyte);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_ACTIVE_PARAMETER_SETS:
|
2017-05-10 19:58:46 +02:00
|
|
|
return decode_nal_sei_active_parameter_sets(s, gb, logctx);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_user_data_registered_itu_t_t35(s, gbyte, logctx);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_USER_DATA_UNREGISTERED:
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_user_data_unregistered(&s->unregistered, gbyte);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_alternative_transfer(&s->alternative_transfer, gbyte);
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_TIME_CODE:
|
2020-06-15 14:55:17 +02:00
|
|
|
return decode_nal_sei_timecode(&s->timecode, gb);
|
2021-07-23 19:10:00 +02:00
|
|
|
case SEI_TYPE_FILM_GRAIN_CHARACTERISTICS:
|
|
|
|
return decode_film_grain_characteristics(&s->film_grain_characteristics, gb);
|
2015-08-01 15:39:44 +02:00
|
|
|
default:
|
2017-04-30 03:01:03 +02:00
|
|
|
av_log(logctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", type);
|
2015-08-01 15:39:44 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
static int decode_nal_sei_suffix(GetBitContext *gb, GetByteContext *gbyte,
|
|
|
|
void *logctx, HEVCSEI *s, int type)
|
2015-08-01 15:39:44 +02:00
|
|
|
{
|
|
|
|
switch (type) {
|
2021-01-21 16:38:58 +02:00
|
|
|
case SEI_TYPE_DECODED_PICTURE_HASH:
|
2022-04-06 16:49:25 +02:00
|
|
|
return decode_nal_sei_decoded_picture_hash(&s->picture_hash, gbyte);
|
2015-08-01 15:39:44 +02:00
|
|
|
default:
|
2017-04-30 03:01:03 +02:00
|
|
|
av_log(logctx, AV_LOG_DEBUG, "Skipped SUFFIX SEI %d\n", type);
|
2015-08-01 15:39:44 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-04-06 16:49:25 +02:00
|
|
|
static int decode_nal_sei_message(GetByteContext *gb, void *logctx, HEVCSEI *s,
|
2017-10-31 17:38:36 +02:00
|
|
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const HEVCParamSets *ps, int nal_unit_type)
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2013-10-12 12:55:48 +03:00
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{
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2022-04-06 16:49:25 +02:00
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GetByteContext message_gbyte;
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2022-04-06 14:57:38 +02:00
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GetBitContext message_gb;
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2013-10-12 12:55:48 +03:00
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int payload_type = 0;
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int payload_size = 0;
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int byte = 0xFF;
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2022-04-06 14:57:38 +02:00
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av_unused int ret;
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2017-04-30 03:01:03 +02:00
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av_log(logctx, AV_LOG_DEBUG, "Decoding SEI\n");
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2013-10-12 12:55:48 +03:00
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while (byte == 0xFF) {
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2022-04-06 16:49:25 +02:00
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if (bytestream2_get_bytes_left(gb) < 2 || payload_type > INT_MAX - 255)
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2017-12-15 18:50:12 +02:00
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return AVERROR_INVALIDDATA;
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2022-04-06 16:49:25 +02:00
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byte = bytestream2_get_byteu(gb);
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2013-10-12 12:55:48 +03:00
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payload_type += byte;
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}
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byte = 0xFF;
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while (byte == 0xFF) {
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2022-04-06 16:49:25 +02:00
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if (bytestream2_get_bytes_left(gb) < 1 + payload_size)
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2017-12-15 18:50:12 +02:00
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return AVERROR_INVALIDDATA;
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2022-04-06 16:49:25 +02:00
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byte = bytestream2_get_byteu(gb);
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2013-10-12 12:55:48 +03:00
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payload_size += byte;
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}
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2022-04-06 16:49:25 +02:00
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if (bytestream2_get_bytes_left(gb) < payload_size)
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2021-01-31 15:59:27 +02:00
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return AVERROR_INVALIDDATA;
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2022-04-06 16:49:25 +02:00
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bytestream2_init(&message_gbyte, gb->buffer, payload_size);
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ret = init_get_bits8(&message_gb, gb->buffer, payload_size);
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2022-04-06 14:57:38 +02:00
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av_assert1(ret >= 0);
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2022-04-06 16:49:25 +02:00
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bytestream2_skipu(gb, payload_size);
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2017-04-30 03:01:03 +02:00
|
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if (nal_unit_type == HEVC_NAL_SEI_PREFIX) {
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2022-04-06 16:49:25 +02:00
|
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return decode_nal_sei_prefix(&message_gb, &message_gbyte,
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|
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logctx, s, ps, payload_type);
|
2013-10-12 12:55:48 +03:00
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} else { /* nal_unit_type == NAL_SEI_SUFFIX */
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2022-04-06 16:49:25 +02:00
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return decode_nal_sei_suffix(&message_gb, &message_gbyte,
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logctx, s, payload_type);
|
2013-10-12 12:55:48 +03:00
|
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}
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}
|
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|
2017-10-31 17:27:57 +02:00
|
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|
int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s,
|
2022-07-02 21:15:51 +02:00
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const HEVCParamSets *ps, enum HEVCNALUnitType type)
|
2013-10-12 12:55:48 +03:00
|
|
|
{
|
2022-04-06 16:49:25 +02:00
|
|
|
GetByteContext gbyte;
|
2013-10-30 14:28:19 +03:00
|
|
|
int ret;
|
|
|
|
|
2022-04-06 14:57:38 +02:00
|
|
|
av_assert1((get_bits_count(gb) % 8) == 0);
|
2022-04-06 16:49:25 +02:00
|
|
|
bytestream2_init(&gbyte, gb->buffer + get_bits_count(gb) / 8,
|
|
|
|
get_bits_left(gb) / 8);
|
2022-04-06 14:57:38 +02:00
|
|
|
|
2013-10-12 12:55:48 +03:00
|
|
|
do {
|
2022-04-06 16:49:25 +02:00
|
|
|
ret = decode_nal_sei_message(&gbyte, logctx, s, ps, type);
|
2013-10-30 14:28:19 +03:00
|
|
|
if (ret < 0)
|
2017-05-07 03:57:43 +02:00
|
|
|
return ret;
|
2022-06-22 11:33:32 +02:00
|
|
|
} while (bytestream2_get_bytes_left(&gbyte) > 0);
|
2013-10-30 14:28:19 +03:00
|
|
|
return 1;
|
2013-10-12 12:55:48 +03:00
|
|
|
}
|
2016-04-07 15:58:31 +02:00
|
|
|
|
2017-10-31 17:27:57 +02:00
|
|
|
void ff_hevc_reset_sei(HEVCSEI *s)
|
2016-04-07 15:58:31 +02:00
|
|
|
{
|
2019-12-20 03:17:21 +02:00
|
|
|
av_buffer_unref(&s->a53_caption.buf_ref);
|
2020-06-11 04:25:47 +02:00
|
|
|
|
|
|
|
for (int i = 0; i < s->unregistered.nb_buf_ref; i++)
|
|
|
|
av_buffer_unref(&s->unregistered.buf_ref[i]);
|
|
|
|
s->unregistered.nb_buf_ref = 0;
|
|
|
|
av_freep(&s->unregistered.buf_ref);
|
2020-11-23 23:29:34 +02:00
|
|
|
av_buffer_unref(&s->dynamic_hdr_plus.info);
|
2022-02-14 17:17:11 +02:00
|
|
|
av_buffer_unref(&s->dynamic_hdr_vivid.info);
|
2016-04-07 15:58:31 +02:00
|
|
|
}
|