2022-06-27 14:33:24 +00:00
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/*
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* Common H.264 and HEVC Supplementary Enhancement Information messages
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*
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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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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#include "config_components.h"
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#include "libavutil/display.h"
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#include "libavutil/film_grain_params.h"
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#include "libavutil/pixdesc.h"
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2022-06-29 10:42:43 +00:00
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#include "libavutil/stereo3d.h"
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2022-06-27 14:33:24 +00:00
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#include "atsc_a53.h"
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#include "avcodec.h"
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#include "dynamic_hdr10_plus.h"
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#include "dynamic_hdr_vivid.h"
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#include "get_bits.h"
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#include "golomb.h"
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#include "h2645_sei.h"
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#define IS_H264(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_H264 : CONFIG_H264_SEI)
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#define IS_HEVC(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_HEVC : CONFIG_HEVC_SEI)
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#if CONFIG_HEVC_SEI
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static int decode_registered_user_data_dynamic_hdr_plus(HEVCSEIDynamicHDRPlus *s,
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GetByteContext *gb)
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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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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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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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static int decode_registered_user_data_dynamic_hdr_vivid(HEVCSEIDynamicHDRVivid *s,
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GetByteContext *gb)
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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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gb->buffer, bytestream2_get_bytes_left(gb));
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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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#endif
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2022-07-02 12:20:36 +00:00
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static int decode_registered_user_data_afd(H2645SEIAFD *h, GetByteContext *gb)
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2022-06-27 14:33:24 +00:00
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{
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int flag;
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if (bytestream2_get_bytes_left(gb) <= 0)
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return AVERROR_INVALIDDATA;
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flag = !!(bytestream2_get_byteu(gb) & 0x40); // active_format_flag
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if (flag) {
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if (bytestream2_get_bytes_left(gb) <= 0)
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return AVERROR_INVALIDDATA;
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h->active_format_description = bytestream2_get_byteu(gb) & 0xF;
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h->present = 1;
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}
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return 0;
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}
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static int decode_registered_user_data_closed_caption(H2645SEIA53Caption *h,
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GetByteContext *gb)
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{
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return ff_parse_a53_cc(&h->buf_ref, gb->buffer,
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bytestream2_get_bytes_left(gb));
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}
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static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
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enum AVCodecID codec_id, void *logctx)
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{
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int country_code, provider_code;
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if (bytestream2_get_bytes_left(gb) < 3)
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return AVERROR_INVALIDDATA;
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country_code = bytestream2_get_byteu(gb); // itu_t_t35_country_code
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if (country_code == 0xFF) {
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if (bytestream2_get_bytes_left(gb) < 3)
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return AVERROR_INVALIDDATA;
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bytestream2_skipu(gb, 1); // itu_t_t35_country_code_extension_byte
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}
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if (country_code != 0xB5 && country_code != 0x26) { // usa_country_code and cn_country_code
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av_log(logctx, AV_LOG_VERBOSE,
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"Unsupported User Data Registered ITU-T T35 SEI message (country_code = %d)\n",
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country_code);
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return 0;
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}
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/* itu_t_t35_payload_byte follows */
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provider_code = bytestream2_get_be16u(gb);
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switch (provider_code) {
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case 0x31: { // atsc_provider_code
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uint32_t user_identifier;
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if (bytestream2_get_bytes_left(gb) < 4)
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return AVERROR_INVALIDDATA;
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user_identifier = bytestream2_get_be32u(gb);
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switch (user_identifier) {
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case MKBETAG('D', 'T', 'G', '1'): // afd_data
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return decode_registered_user_data_afd(&h->afd, gb);
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case MKBETAG('G', 'A', '9', '4'): // closed captions
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return decode_registered_user_data_closed_caption(&h->a53_caption, gb);
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default:
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av_log(logctx, AV_LOG_VERBOSE,
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"Unsupported User Data Registered ITU-T T35 SEI message (atsc user_identifier = 0x%04x)\n",
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user_identifier);
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break;
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}
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break;
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}
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#if CONFIG_HEVC_SEI
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case 0x04: { // cuva_provider_code
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const uint16_t cuva_provider_oriented_code = 0x0005;
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uint16_t provider_oriented_code;
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if (!IS_HEVC(codec_id))
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goto unsupported_provider_code;
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if (bytestream2_get_bytes_left(gb) < 2)
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return AVERROR_INVALIDDATA;
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provider_oriented_code = bytestream2_get_be16u(gb);
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if (provider_oriented_code == cuva_provider_oriented_code) {
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return decode_registered_user_data_dynamic_hdr_vivid(&h->dynamic_hdr_vivid, gb);
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}
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break;
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}
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case 0x3C: { // smpte_provider_code
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// A/341 Amendment - 2094-40
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const uint16_t smpte2094_40_provider_oriented_code = 0x0001;
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const uint8_t smpte2094_40_application_identifier = 0x04;
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uint16_t provider_oriented_code;
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uint8_t application_identifier;
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if (!IS_HEVC(codec_id))
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goto unsupported_provider_code;
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if (bytestream2_get_bytes_left(gb) < 3)
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return AVERROR_INVALIDDATA;
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provider_oriented_code = bytestream2_get_be16u(gb);
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application_identifier = bytestream2_get_byteu(gb);
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if (provider_oriented_code == smpte2094_40_provider_oriented_code &&
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application_identifier == smpte2094_40_application_identifier) {
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return decode_registered_user_data_dynamic_hdr_plus(&h->dynamic_hdr_plus, gb);
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}
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break;
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}
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unsupported_provider_code:
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#endif
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default:
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av_log(logctx, AV_LOG_VERBOSE,
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"Unsupported User Data Registered ITU-T T35 SEI message (provider_code = %d)\n",
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provider_code);
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break;
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}
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return 0;
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}
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static int decode_unregistered_user_data(H2645SEIUnregistered *h,
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GetByteContext *gb,
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enum AVCodecID codec_id)
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{
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uint8_t *user_data;
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int size = bytestream2_get_bytes_left(gb);
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AVBufferRef *buf_ref, **tmp;
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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(h->buf_ref, h->nb_buf_ref + 1, sizeof(*h->buf_ref));
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if (!tmp)
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return AVERROR(ENOMEM);
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h->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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user_data = buf_ref->data;
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bytestream2_get_bufferu(gb, user_data, size);
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user_data[size] = 0;
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buf_ref->size = size;
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h->buf_ref[h->nb_buf_ref++] = buf_ref;
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if (IS_H264(codec_id)) {
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int e, build;
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e = sscanf(user_data + 16, "x264 - core %d", &build);
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if (e == 1 && build > 0)
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h->x264_build = build;
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if (e == 1 && build == 1 && !strncmp(user_data+16, "x264 - core 0000", 16))
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h->x264_build = 67;
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}
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return 0;
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}
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static int decode_display_orientation(H2645SEIDisplayOrientation *h,
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GetBitContext *gb)
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{
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h->present = !get_bits1(gb); // display_orientation_cancel_flag
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if (h->present) {
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h->hflip = get_bits1(gb); // hor_flip
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h->vflip = get_bits1(gb); // ver_flip
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h->anticlockwise_rotation = get_bits(gb, 16);
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// This is followed by display_orientation_repetition_period
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// and display_orientation_extension_flag for H.264
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// and by display_orientation_persistence_flag for HEVC.
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}
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return 0;
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}
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static int decode_frame_packing_arrangement(H2645SEIFramePacking *h,
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GetBitContext *gb,
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enum AVCodecID codec_id)
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{
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h->arrangement_id = get_ue_golomb_long(gb);
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h->arrangement_cancel_flag = get_bits1(gb);
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h->present = !h->arrangement_cancel_flag;
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if (h->present) {
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h->arrangement_type = get_bits(gb, 7);
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h->quincunx_sampling_flag = get_bits1(gb);
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h->content_interpretation_type = get_bits(gb, 6);
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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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h->current_frame_is_frame0_flag = get_bits1(gb);
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// frame0_self_contained_flag, frame1_self_contained_flag
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skip_bits(gb, 2);
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if (!h->quincunx_sampling_flag && h->arrangement_type != 5)
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skip_bits(gb, 16); // frame[01]_grid_position_[xy]
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skip_bits(gb, 8); // frame_packing_arrangement_reserved_byte
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if (IS_H264(codec_id))
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h->arrangement_repetition_period = get_ue_golomb_long(gb);
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else
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skip_bits1(gb); // frame_packing_arrangement_persistence_flag
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}
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// H.264: frame_packing_arrangement_extension_flag,
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// HEVC: upsampled_aspect_ratio_flag
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skip_bits1(gb);
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return 0;
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}
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static int decode_alternative_transfer(H2645SEIAlternativeTransfer *s,
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GetByteContext *gb)
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{
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if (bytestream2_get_bytes_left(gb) < 1)
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return AVERROR_INVALIDDATA;
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s->present = 1;
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s->preferred_transfer_characteristics = bytestream2_get_byteu(gb);
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return 0;
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}
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static int decode_film_grain_characteristics(H2645SEIFilmGrainCharacteristics *h,
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enum AVCodecID codec_id, GetBitContext *gb)
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{
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h->present = !get_bits1(gb); // film_grain_characteristics_cancel_flag
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if (h->present) {
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memset(h, 0, sizeof(*h));
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h->model_id = get_bits(gb, 2);
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h->separate_colour_description_present_flag = get_bits1(gb);
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if (h->separate_colour_description_present_flag) {
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h->bit_depth_luma = get_bits(gb, 3) + 8;
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h->bit_depth_chroma = get_bits(gb, 3) + 8;
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h->full_range = get_bits1(gb);
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h->color_primaries = get_bits(gb, 8);
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h->transfer_characteristics = get_bits(gb, 8);
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h->matrix_coeffs = get_bits(gb, 8);
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}
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h->blending_mode_id = get_bits(gb, 2);
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h->log2_scale_factor = get_bits(gb, 4);
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for (int c = 0; c < 3; c++)
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h->comp_model_present_flag[c] = get_bits1(gb);
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for (int c = 0; c < 3; c++) {
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if (h->comp_model_present_flag[c]) {
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|
|
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);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (IS_HEVC(codec_id))
|
|
|
|
h->persistence_flag = get_bits1(gb);
|
|
|
|
else
|
|
|
|
h->repetition_period = get_ue_golomb_long(gb);
|
|
|
|
|
|
|
|
h->present = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int ff_h2645_sei_message_decode(H2645SEI *h, enum SEIType type,
|
|
|
|
enum AVCodecID codec_id, GetBitContext *gb,
|
|
|
|
GetByteContext *gbyte, void *logctx)
|
|
|
|
{
|
|
|
|
switch (type) {
|
|
|
|
case SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
|
|
|
|
return decode_registered_user_data(h, gbyte, codec_id, logctx);
|
|
|
|
case SEI_TYPE_USER_DATA_UNREGISTERED:
|
|
|
|
return decode_unregistered_user_data(&h->unregistered, gbyte, codec_id);
|
|
|
|
case SEI_TYPE_DISPLAY_ORIENTATION:
|
|
|
|
return decode_display_orientation(&h->display_orientation, gb);
|
|
|
|
case SEI_TYPE_FILM_GRAIN_CHARACTERISTICS:
|
|
|
|
return decode_film_grain_characteristics(&h->film_grain_characteristics, codec_id, gb);
|
|
|
|
case SEI_TYPE_FRAME_PACKING_ARRANGEMENT:
|
|
|
|
return decode_frame_packing_arrangement(&h->frame_packing, gb, codec_id);
|
|
|
|
case SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
|
|
|
|
return decode_alternative_transfer(&h->alternative_transfer, gbyte);
|
|
|
|
default:
|
|
|
|
return FF_H2645_SEI_MESSAGE_UNHANDLED;
|
|
|
|
}
|
|
|
|
}
|
2022-06-27 16:49:01 +00:00
|
|
|
|
|
|
|
int ff_h2645_sei_ctx_replace(H2645SEI *dst, const H2645SEI *src)
|
|
|
|
{
|
|
|
|
int ret = av_buffer_replace(&dst->a53_caption.buf_ref,
|
|
|
|
src->a53_caption.buf_ref);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
for (unsigned i = 0; i < dst->unregistered.nb_buf_ref; i++)
|
|
|
|
av_buffer_unref(&dst->unregistered.buf_ref[i]);
|
|
|
|
dst->unregistered.nb_buf_ref = 0;
|
|
|
|
|
|
|
|
if (src->unregistered.nb_buf_ref) {
|
|
|
|
ret = av_reallocp_array(&dst->unregistered.buf_ref,
|
|
|
|
src->unregistered.nb_buf_ref,
|
|
|
|
sizeof(*dst->unregistered.buf_ref));
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
for (unsigned i = 0; i < src->unregistered.nb_buf_ref; i++) {
|
|
|
|
dst->unregistered.buf_ref[i] = av_buffer_ref(src->unregistered.buf_ref[i]);
|
|
|
|
if (!dst->unregistered.buf_ref[i])
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
dst->unregistered.nb_buf_ref++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2022-07-02 18:52:31 +00:00
|
|
|
|
2022-06-29 10:42:43 +00:00
|
|
|
static int is_frame_packing_type_valid(SEIFpaType type, enum AVCodecID codec_id)
|
|
|
|
{
|
|
|
|
if (IS_H264(codec_id))
|
|
|
|
return type <= SEI_FPA_H264_TYPE_2D &&
|
|
|
|
type >= SEI_FPA_H264_TYPE_CHECKERBOARD;
|
|
|
|
else
|
|
|
|
return type <= SEI_FPA_TYPE_INTERLEAVE_TEMPORAL &&
|
|
|
|
type >= SEI_FPA_TYPE_SIDE_BY_SIDE;
|
|
|
|
}
|
|
|
|
|
2022-06-29 09:24:08 +00:00
|
|
|
int ff_h2645_sei_to_frame(AVFrame *frame, H2645SEI *sei,
|
|
|
|
enum AVCodecID codec_id,
|
2022-07-02 17:14:43 +00:00
|
|
|
AVCodecContext *avctx, const H2645VUI *vui,
|
|
|
|
unsigned bit_depth_luma, unsigned bit_depth_chroma,
|
|
|
|
int seed)
|
2022-06-29 09:24:08 +00:00
|
|
|
{
|
2022-06-29 10:42:43 +00:00
|
|
|
H2645SEIFramePacking *fp = &sei->frame_packing;
|
|
|
|
|
|
|
|
if (fp->present &&
|
|
|
|
is_frame_packing_type_valid(fp->arrangement_type, codec_id) &&
|
|
|
|
fp->content_interpretation_type > 0 &&
|
|
|
|
fp->content_interpretation_type < 3) {
|
|
|
|
AVStereo3D *stereo = av_stereo3d_create_side_data(frame);
|
|
|
|
|
|
|
|
if (!stereo)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
switch (fp->arrangement_type) {
|
|
|
|
#if CONFIG_H264_SEI
|
|
|
|
case SEI_FPA_H264_TYPE_CHECKERBOARD:
|
|
|
|
stereo->type = AV_STEREO3D_CHECKERBOARD;
|
|
|
|
break;
|
|
|
|
case SEI_FPA_H264_TYPE_INTERLEAVE_COLUMN:
|
|
|
|
stereo->type = AV_STEREO3D_COLUMNS;
|
|
|
|
break;
|
|
|
|
case SEI_FPA_H264_TYPE_INTERLEAVE_ROW:
|
|
|
|
stereo->type = AV_STEREO3D_LINES;
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
case SEI_FPA_TYPE_SIDE_BY_SIDE:
|
|
|
|
if (fp->quincunx_sampling_flag)
|
|
|
|
stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
|
|
|
|
else
|
|
|
|
stereo->type = AV_STEREO3D_SIDEBYSIDE;
|
|
|
|
break;
|
|
|
|
case SEI_FPA_TYPE_TOP_BOTTOM:
|
|
|
|
stereo->type = AV_STEREO3D_TOPBOTTOM;
|
|
|
|
break;
|
|
|
|
case SEI_FPA_TYPE_INTERLEAVE_TEMPORAL:
|
|
|
|
stereo->type = AV_STEREO3D_FRAMESEQUENCE;
|
|
|
|
break;
|
|
|
|
#if CONFIG_H264_SEI
|
|
|
|
case SEI_FPA_H264_TYPE_2D:
|
|
|
|
stereo->type = AV_STEREO3D_2D;
|
|
|
|
break;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
if (fp->content_interpretation_type == 2)
|
|
|
|
stereo->flags = AV_STEREO3D_FLAG_INVERT;
|
|
|
|
|
|
|
|
if (fp->arrangement_type == SEI_FPA_TYPE_INTERLEAVE_TEMPORAL) {
|
|
|
|
if (fp->current_frame_is_frame0_flag)
|
|
|
|
stereo->view = AV_STEREO3D_VIEW_LEFT;
|
|
|
|
else
|
|
|
|
stereo->view = AV_STEREO3D_VIEW_RIGHT;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-06-29 09:24:08 +00:00
|
|
|
if (sei->display_orientation.present &&
|
|
|
|
(sei->display_orientation.anticlockwise_rotation ||
|
|
|
|
sei->display_orientation.hflip ||
|
|
|
|
sei->display_orientation.vflip)) {
|
|
|
|
H2645SEIDisplayOrientation *o = &sei->display_orientation;
|
|
|
|
double angle = o->anticlockwise_rotation * 360 / (double) (1 << 16);
|
|
|
|
AVFrameSideData *rotation = av_frame_new_side_data(frame,
|
|
|
|
AV_FRAME_DATA_DISPLAYMATRIX,
|
|
|
|
sizeof(int32_t) * 9);
|
|
|
|
if (!rotation)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
/* av_display_rotation_set() expects the angle in the clockwise
|
|
|
|
* direction, hence the first minus.
|
|
|
|
* The below code applies the flips after the rotation, yet
|
|
|
|
* the H.2645 specs require flipping to be applied first.
|
|
|
|
* Because of R O(phi) = O(-phi) R (where R is flipping around
|
|
|
|
* an arbitatry axis and O(phi) is the proper rotation by phi)
|
|
|
|
* we can create display matrices as desired by negating
|
|
|
|
* the degree once for every flip applied. */
|
|
|
|
angle = -angle * (1 - 2 * !!o->hflip) * (1 - 2 * !!o->vflip);
|
|
|
|
av_display_rotation_set((int32_t *)rotation->data, angle);
|
|
|
|
av_display_matrix_flip((int32_t *)rotation->data,
|
|
|
|
o->hflip, o->vflip);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (sei->a53_caption.buf_ref) {
|
|
|
|
H2645SEIA53Caption *a53 = &sei->a53_caption;
|
|
|
|
AVFrameSideData *sd = av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_A53_CC, a53->buf_ref);
|
|
|
|
if (!sd)
|
|
|
|
av_buffer_unref(&a53->buf_ref);
|
|
|
|
a53->buf_ref = NULL;
|
|
|
|
if (avctx)
|
|
|
|
avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (unsigned i = 0; i < sei->unregistered.nb_buf_ref; i++) {
|
|
|
|
H2645SEIUnregistered *unreg = &sei->unregistered;
|
|
|
|
|
|
|
|
if (unreg->buf_ref[i]) {
|
|
|
|
AVFrameSideData *sd = av_frame_new_side_data_from_buf(frame,
|
|
|
|
AV_FRAME_DATA_SEI_UNREGISTERED,
|
|
|
|
unreg->buf_ref[i]);
|
|
|
|
if (!sd)
|
|
|
|
av_buffer_unref(&unreg->buf_ref[i]);
|
|
|
|
unreg->buf_ref[i] = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
sei->unregistered.nb_buf_ref = 0;
|
|
|
|
|
2022-07-02 12:20:36 +00:00
|
|
|
if (sei->afd.present) {
|
|
|
|
AVFrameSideData *sd = av_frame_new_side_data(frame, AV_FRAME_DATA_AFD,
|
|
|
|
sizeof(uint8_t));
|
|
|
|
|
|
|
|
if (sd) {
|
|
|
|
*sd->data = sei->afd.active_format_description;
|
|
|
|
sei->afd.present = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-07-02 17:14:43 +00:00
|
|
|
if (sei->film_grain_characteristics.present) {
|
|
|
|
H2645SEIFilmGrainCharacteristics *fgc = &sei->film_grain_characteristics;
|
|
|
|
AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(frame);
|
|
|
|
AVFilmGrainH274Params *h274;
|
|
|
|
|
|
|
|
if (!fgp)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
fgp->type = AV_FILM_GRAIN_PARAMS_H274;
|
|
|
|
h274 = &fgp->codec.h274;
|
|
|
|
|
|
|
|
fgp->seed = seed;
|
|
|
|
|
|
|
|
h274->model_id = fgc->model_id;
|
|
|
|
if (fgc->separate_colour_description_present_flag) {
|
|
|
|
h274->bit_depth_luma = fgc->bit_depth_luma;
|
|
|
|
h274->bit_depth_chroma = fgc->bit_depth_chroma;
|
|
|
|
h274->color_range = fgc->full_range + 1;
|
|
|
|
h274->color_primaries = fgc->color_primaries;
|
|
|
|
h274->color_trc = fgc->transfer_characteristics;
|
|
|
|
h274->color_space = fgc->matrix_coeffs;
|
|
|
|
} else {
|
|
|
|
h274->bit_depth_luma = bit_depth_luma;
|
|
|
|
h274->bit_depth_chroma = bit_depth_chroma;
|
|
|
|
if (vui->video_signal_type_present_flag)
|
|
|
|
h274->color_range = vui->video_full_range_flag + 1;
|
|
|
|
else
|
|
|
|
h274->color_range = AVCOL_RANGE_UNSPECIFIED;
|
|
|
|
if (vui->colour_description_present_flag) {
|
|
|
|
h274->color_primaries = vui->colour_primaries;
|
|
|
|
h274->color_trc = vui->transfer_characteristics;
|
|
|
|
h274->color_space = vui->matrix_coeffs;
|
|
|
|
} else {
|
|
|
|
h274->color_primaries = AVCOL_PRI_UNSPECIFIED;
|
|
|
|
h274->color_trc = AVCOL_TRC_UNSPECIFIED;
|
|
|
|
h274->color_space = AVCOL_SPC_UNSPECIFIED;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
h274->blending_mode_id = fgc->blending_mode_id;
|
|
|
|
h274->log2_scale_factor = fgc->log2_scale_factor;
|
|
|
|
|
|
|
|
memcpy(&h274->component_model_present, &fgc->comp_model_present_flag,
|
|
|
|
sizeof(h274->component_model_present));
|
|
|
|
memcpy(&h274->num_intensity_intervals, &fgc->num_intensity_intervals,
|
|
|
|
sizeof(h274->num_intensity_intervals));
|
|
|
|
memcpy(&h274->num_model_values, &fgc->num_model_values,
|
|
|
|
sizeof(h274->num_model_values));
|
|
|
|
memcpy(&h274->intensity_interval_lower_bound, &fgc->intensity_interval_lower_bound,
|
|
|
|
sizeof(h274->intensity_interval_lower_bound));
|
|
|
|
memcpy(&h274->intensity_interval_upper_bound, &fgc->intensity_interval_upper_bound,
|
|
|
|
sizeof(h274->intensity_interval_upper_bound));
|
|
|
|
memcpy(&h274->comp_model_value, &fgc->comp_model_value,
|
|
|
|
sizeof(h274->comp_model_value));
|
|
|
|
|
|
|
|
if (IS_H264(codec_id))
|
|
|
|
fgc->present = !!fgc->repetition_period;
|
|
|
|
else
|
|
|
|
fgc->present = fgc->persistence_flag;
|
|
|
|
|
|
|
|
if (avctx)
|
|
|
|
avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
|
|
|
|
}
|
|
|
|
|
2022-06-29 09:24:08 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2022-07-02 18:52:31 +00:00
|
|
|
void ff_h2645_sei_reset(H2645SEI *s)
|
|
|
|
{
|
|
|
|
av_buffer_unref(&s->a53_caption.buf_ref);
|
|
|
|
|
|
|
|
for (unsigned 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);
|
|
|
|
av_buffer_unref(&s->dynamic_hdr_plus.info);
|
|
|
|
av_buffer_unref(&s->dynamic_hdr_vivid.info);
|
|
|
|
}
|