| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * DOVI ISO Media common code | ||
| 3 | * | ||
| 4 | * Copyright (c) 2020 Vacing Fang <vacingfang@tencent.com> | ||
| 5 | * Copyright (c) 2021 quietvoid | ||
| 6 | * | ||
| 7 | * This file is part of FFmpeg. | ||
| 8 | * | ||
| 9 | * FFmpeg is free software; you can redistribute it and/or | ||
| 10 | * modify it under the terms of the GNU Lesser General Public | ||
| 11 | * License as published by the Free Software Foundation; either | ||
| 12 | * version 2.1 of the License, or (at your option) any later version. | ||
| 13 | * | ||
| 14 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 17 | * Lesser General Public License for more details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU Lesser General Public | ||
| 20 | * License along with FFmpeg; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 22 | */ | ||
| 23 | |||
| 24 | #include "libavutil/dovi_meta.h" | ||
| 25 | #include "libavutil/mem.h" | ||
| 26 | |||
| 27 | #include "libavcodec/put_bits.h" | ||
| 28 | |||
| 29 | #include "avformat.h" | ||
| 30 | #include "dovi_isom.h" | ||
| 31 | |||
| 32 | 8 | int ff_isom_parse_dvcc_dvvc(void *logctx, AVStream *st, | |
| 33 | const uint8_t *buf_ptr, uint64_t size) | ||
| 34 | { | ||
| 35 | uint32_t buf; | ||
| 36 | AVDOVIDecoderConfigurationRecord *dovi; | ||
| 37 | size_t dovi_size; | ||
| 38 | |||
| 39 |
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8 | if (size > (1 << 30) || size < 4) |
| 40 | ✗ | return AVERROR_INVALIDDATA; | |
| 41 | |||
| 42 | 8 | dovi = av_dovi_alloc(&dovi_size); | |
| 43 |
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8 | if (!dovi) |
| 44 | ✗ | return AVERROR(ENOMEM); | |
| 45 | |||
| 46 | 8 | dovi->dv_version_major = *buf_ptr++; // 8 bits | |
| 47 | 8 | dovi->dv_version_minor = *buf_ptr++; // 8 bits | |
| 48 | |||
| 49 | 8 | buf = *buf_ptr++ << 8; | |
| 50 | 8 | buf |= *buf_ptr++; | |
| 51 | |||
| 52 | 8 | dovi->dv_profile = (buf >> 9) & 0x7f; // 7 bits | |
| 53 | 8 | dovi->dv_level = (buf >> 3) & 0x3f; // 6 bits | |
| 54 | 8 | dovi->rpu_present_flag = (buf >> 2) & 0x01; // 1 bit | |
| 55 | 8 | dovi->el_present_flag = (buf >> 1) & 0x01; // 1 bit | |
| 56 | 8 | dovi->bl_present_flag = buf & 0x01; // 1 bit | |
| 57 | |||
| 58 | // Has enough remaining data | ||
| 59 |
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8 | if (size >= 5) { |
| 60 | 8 | uint8_t buf = *buf_ptr++; | |
| 61 | 8 | dovi->dv_bl_signal_compatibility_id = (buf >> 4) & 0x0f; // 4 bits | |
| 62 | 8 | dovi->dv_md_compression = (buf >> 2) & 0x03; // 2 bits | |
| 63 | } else { | ||
| 64 | // 0 stands for None | ||
| 65 | // Dolby Vision V1.2.93 profiles and levels | ||
| 66 | ✗ | dovi->dv_bl_signal_compatibility_id = 0; | |
| 67 | ✗ | dovi->dv_md_compression = AV_DOVI_COMPRESSION_NONE; | |
| 68 | } | ||
| 69 | |||
| 70 |
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8 | if (!av_packet_side_data_add(&st->codecpar->coded_side_data, &st->codecpar->nb_coded_side_data, |
| 71 | AV_PKT_DATA_DOVI_CONF, (uint8_t *)dovi, dovi_size, 0)) { | ||
| 72 | ✗ | av_free(dovi); | |
| 73 | ✗ | return AVERROR(ENOMEM); | |
| 74 | } | ||
| 75 | |||
| 76 | 8 | av_log(logctx, AV_LOG_TRACE, "DOVI in dvcC/dvvC/dvwC box, version: %d.%d, profile: %d, level: %d, " | |
| 77 | "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d, compression: %d\n", | ||
| 78 | 8 | dovi->dv_version_major, dovi->dv_version_minor, | |
| 79 | 8 | dovi->dv_profile, dovi->dv_level, | |
| 80 | 8 | dovi->rpu_present_flag, | |
| 81 | 8 | dovi->el_present_flag, | |
| 82 | 8 | dovi->bl_present_flag, | |
| 83 | 8 | dovi->dv_bl_signal_compatibility_id, | |
| 84 | 8 | dovi->dv_md_compression); | |
| 85 | |||
| 86 | 8 | return 0; | |
| 87 | } | ||
| 88 | |||
| 89 | 2 | void ff_isom_put_dvcc_dvvc(void *logctx, uint8_t out[ISOM_DVCC_DVVC_SIZE], | |
| 90 | const AVDOVIDecoderConfigurationRecord *dovi) | ||
| 91 | { | ||
| 92 | PutBitContext pb; | ||
| 93 | |||
| 94 | 2 | init_put_bits(&pb, out, ISOM_DVCC_DVVC_SIZE); | |
| 95 | |||
| 96 | 2 | put_bits(&pb, 8, dovi->dv_version_major); | |
| 97 | 2 | put_bits(&pb, 8, dovi->dv_version_minor); | |
| 98 | 2 | put_bits(&pb, 7, dovi->dv_profile & 0x7f); | |
| 99 | 2 | put_bits(&pb, 6, dovi->dv_level & 0x3f); | |
| 100 | 2 | put_bits(&pb, 1, !!dovi->rpu_present_flag); | |
| 101 | 2 | put_bits(&pb, 1, !!dovi->el_present_flag); | |
| 102 | 2 | put_bits(&pb, 1, !!dovi->bl_present_flag); | |
| 103 | 2 | put_bits(&pb, 4, dovi->dv_bl_signal_compatibility_id & 0x0f); | |
| 104 | 2 | put_bits(&pb, 2, dovi->dv_md_compression & 0x03); | |
| 105 | |||
| 106 | 2 | put_bits(&pb, 26, 0); /* reserved */ | |
| 107 | 2 | put_bits32(&pb, 0); /* reserved */ | |
| 108 | 2 | put_bits32(&pb, 0); /* reserved */ | |
| 109 | 2 | put_bits32(&pb, 0); /* reserved */ | |
| 110 | 2 | put_bits32(&pb, 0); /* reserved */ | |
| 111 | |||
| 112 | 2 | flush_put_bits(&pb); | |
| 113 | |||
| 114 | 2 | av_log(logctx, AV_LOG_DEBUG, | |
| 115 | "DOVI in %s box, version: %d.%d, profile: %d, level: %d, " | ||
| 116 | "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d, " | ||
| 117 | "compression: %d\n", | ||
| 118 |
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2 | dovi->dv_profile > 10 ? "dvwC" : (dovi->dv_profile > 7 ? "dvvC" : "dvcC"), |
| 119 | 2 | dovi->dv_version_major, dovi->dv_version_minor, | |
| 120 | 2 | dovi->dv_profile, dovi->dv_level, | |
| 121 | 2 | dovi->rpu_present_flag, | |
| 122 | 2 | dovi->el_present_flag, | |
| 123 | 2 | dovi->bl_present_flag, | |
| 124 | 2 | dovi->dv_bl_signal_compatibility_id, | |
| 125 |
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2 | dovi->dv_md_compression); |
| 126 | 2 | } | |
| 127 |