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Thu, 15 Jun 2023 11:48:42 +0000 (GMT) From: Dawid Kozinski To: d.frankiewic@samsung.com, ffmpeg-devel@ffmpeg.org Date: Thu, 15 Jun 2023 13:48:34 +0200 Message-Id: <20230615114834.2046-1-d.kozinski@samsung.com> X-Mailer: git-send-email 2.37.3.windows.1 MIME-Version: 1.0 X-Unsent: 1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLIsWRmVeSWpSXmKPExsWy7djP87qzfnWlGPx5ZmPx5doXZouV336z WHz7dIbZgdnjz6LNLB59W1YxBjBFcdmkpOZklqUW6dslcGV8az/MVrBsB2PF75s7mBsYT7cx djFyckgImEh8OT6JpYuRi0NIYAWjxMk/D1khnC+MEucuXmCDcD4zSnzc8IoJpuX+5haoquWM EqefdzBCOK1MElP7V7CCVLEJ6Eq8/PAIrENEwFTiZPNeNhCbWUBbYt3d72C2sECsxP0NL8Bq WARUJQ5t/Q/WyytgJbFq0VlmiG2aEhO2zGGCiAtKnJz5hAUizi2xbtYlVoiZ8hLNW2czgxwh IfCTXaLhxUugBAeQ4yLx54A2RL2wxKvjW9ghbBmJ05N7WCBKiiUO9TtAmDUSh36kQ1RYS7xt PM4IEmYGumD9Ln2IsKPE2j9r2SGq+SRuvBWE2M8nMWnbdGaIMK9ER5sQhKki0dcpBtEoJfF0 2Ryojzwkdv+8wTaBUXEWkqdmIXlkFsLaBYzMqxjFU0uLc9NTi43zUsv1ihNzi0vz0vWS83M3 MQJTxOl/x7/uYFzx6qPeIUYmDsZDjBIczEoivMtOdKUI8aYkVlalFuXHF5XmpBYfYpTmYFES 59W2PZksJJCeWJKanZpakFoEk2Xi4JRqYJp9JpLJz/yK2mJ1mW9nfgoszTav87v/k/PjgrxZ 6vL5s847vTJUnOcWkmfrvbnM6abhtZJ1i/uyb70tqai3S7zo52JtGFQ1TyR9aifLtiNhwRuT Be09q6tc1q/V1r2TnH/79+6OIO8l75n3/fp57+ucm3c9X71S/NZjOuHpL2kBLUfvNXMKchc+ jcnKMeTNiLXh3jPt/zuW5nWvvgXyru++Xti/Jn26+d5fXs7ilw/3Ch14rfZdesvJDTdmWF7o V7APLpPeuUNq+Y/QhushPfbO63q/dK9YVLb389GwNxPfvM744P+e9WH203Tx5gdXF9ht6Of8 G1rLeXpB0O72l3VW11/Y9c82XyGhxlFp9kaJpTgj0VCLuag4EQAVmQ2JgAMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCLMWRmVeSWpSXmKPExsVy+t/xe7qzfnWlGPx8rGTx5doXZouV336z WHz7dIbZgdnjz6LNLB59W1YxBjBF6dkU5ZeWpCpk5BeX2CpFG1oY6RlaWugZmVjqGRqbx1oZ mSrp29mkpOZklqUW6dsl6GV8az/MVrBsB2PF75s7mBsYT7cxdjFyckgImEjc39zC2sXIxSEk sJRR4lf7SaiElMTSpYugbGGJP9e62CCKmpkk2re9YAVJsAnoSrz88IgJxBYRMJe4uO4WWAOz gLbEurvf2UBsYYFoiXVX14HFWQRUJQ5t/Q/WyytgJbFq0VlmiAWaEhO2zGGCiAtKnJz5hAUi zi2xbtYlVoiZ8hLNW2czT2Dkn4WkbBaS1AJGplWMIqmlxbnpucWGesWJucWleel6yfm5mxiB wbvt2M/NOxjnvfqod4iRiYPxEKMEB7OSCO+yE10pQrwpiZVVqUX58UWlOanFhxhNgW6dyCwl mpwPjJ+8knhDMwNTQxMzSwNTSzNjJXFez4KORCGB9MSS1OzU1ILUIpg+Jg5OqQYmWZZdMoUv VctW8LVUdK/+rLThcM1BRgtx6YcSZ979/Xn3cvWfv79d202e2cw+nlJqK7Pv0+IVi/f0x+9m OMOU0KX9+lFLTuHue1duJWyeGhulvGfh40TeD/qzrOUSaq6qPvf/bX93zuarYhensZgcfhZz 3195wYK25sNzW7TPv+nyvhJy+RzPLM0tzt+WSua+zDun+JEhz6st8FTcm7MK7UviYk5F/Jwq JRKxifvn601BAclrZDwfM05+9WqNkAHzPcWJylaz2OweHKnb4LZNqs1/653gZXypb8+WyLDM 9b+p7jOFgXNrarnCSqeFGmGfQh6uLLnyNMGxlUFZdXv4ukeX9zI+D/GUcLESSzW/r8RSnJFo qMVcVJwIADuAQbHnAgAA X-CMS-MailID: 20230615114842eucas1p1e64666e7dd433eaa57a94fd8fce538d3 X-Msg-Generator: CA X-RootMTR: 20230615114842eucas1p1e64666e7dd433eaa57a94fd8fce538d3 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20230615114842eucas1p1e64666e7dd433eaa57a94fd8fce538d3 References: Subject: [FFmpeg-devel] [PATCH v26 6/9] avformat/mov_muxer: Extended MOV muxer to handle EVC video content X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Dawid Kozinski Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: vhNVkXZyNFz4 - Changes in mov_write_video_tag function to handle EVC elementary stream - Provided structure EVCDecoderConfigurationRecord that specifies the decoder configuration information for ISO/IEC 23094-1 video content Signed-off-by: Dawid Kozinski --- libavformat/Makefile | 2 +- libavformat/evc.c | 422 ++++++++++++++++++++++++++++++++++++++++ libavformat/evc.h | 44 +++++ libavformat/isom_tags.c | 2 + libavformat/movenc.c | 33 ++++ 5 files changed, 502 insertions(+), 1 deletion(-) create mode 100644 libavformat/evc.c create mode 100644 libavformat/evc.h diff --git a/libavformat/Makefile b/libavformat/Makefile index 6e4231fda2..d3503196e3 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -364,7 +364,7 @@ OBJS-$(CONFIG_MOV_DEMUXER) += mov.o mov_chan.o mov_esds.o \ OBJS-$(CONFIG_MOV_MUXER) += movenc.o av1.o avc.o hevc.o vpcc.o \ movenchint.o mov_chan.o rtp.o \ movenccenc.o movenc_ttml.o rawutils.o \ - dovi_isom.o + dovi_isom.o evc.o OBJS-$(CONFIG_MP2_MUXER) += rawenc.o OBJS-$(CONFIG_MP3_DEMUXER) += mp3dec.o replaygain.o OBJS-$(CONFIG_MP3_MUXER) += mp3enc.o rawenc.o id3v2enc.o diff --git a/libavformat/evc.c b/libavformat/evc.c new file mode 100644 index 0000000000..8fb8da1b13 --- /dev/null +++ b/libavformat/evc.c @@ -0,0 +1,422 @@ +/* + * EVC helper functions for muxers + * Copyright (c) 2022 Dawid Kozinski + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/intreadwrite.h" +#include "libavcodec/get_bits.h" +#include "libavcodec/golomb.h" +#include "libavcodec/evc.h" +#include "libavcodec/evc_parse.h" +#include "avformat.h" +#include "avio.h" +#include "evc.h" +#include "avio_internal.h" + +// The length field that indicates the length in bytes of the following NAL unit is configured to be of 4 bytes +#define EVC_NALU_LENGTH_PREFIX_SIZE (4) /* byte */ +#define EVC_NALU_HEADER_SIZE (2) /* byte */ + +// @see ISO/IEC 14496-15:2021 Coding of audio-visual objects - Part 15: section 12.3.3.1 +enum { + SPS_INDEX, + PPS_INDEX, + APS_INDEX, + SEI_INDEX, + NB_ARRAYS +}; + +// The sturcture reflects SPS RBSP(raw byte sequence payload) layout +// @see ISO_IEC_23094-1 section 7.3.2.1 +// +// The following descriptors specify the parsing process of each element +// u(n) - unsigned integer using n bits +// ue(v) - unsigned integer 0-th order Exp_Golomb-coded syntax element with the left bit first +typedef struct EVCSPS { + int sps_seq_parameter_set_id; // ue(v) + int profile_idc; // u(8) + int level_idc; // u(8) + int toolset_idc_h; // u(32) + int toolset_idc_l; // u(32) + int chroma_format_idc; // ue(v) + int pic_width_in_luma_samples; // ue(v) + int pic_height_in_luma_samples; // ue(v) + int bit_depth_luma_minus8; // ue(v) + int bit_depth_chroma_minus8; // ue(v) + + // @note + // Currently the structure does not reflect the entire SPS RBSP layout. + // It contains only the fields that are necessary to read from the NAL unit all the values + // necessary for the correct initialization of EVCDecoderConfigurationRecord + + // @note + // If necessary, add the missing fields to the structure to reflect + // the contents of the entire NAL unit of the SPS type + +} EVCSPS; + +// @see ISO/IEC 14496-15:2021 Coding of audio-visual objects - Part 15: section 12.3.3.3 +typedef struct EVCNALUnitArray { + uint8_t array_completeness; // when equal to 1 indicates that all NAL units of the given type are in the following array + uint8_t NAL_unit_type; // indicates the type of the NAL units in the following array + uint16_t numNalus; // indicates the number of NAL units of the indicated type + uint16_t *nalUnitLength; // indicates the length in bytes of the NAL unit + uint8_t **nalUnit; // contains an SPS, PPS, APS or a SEI NAL unit, as specified in ISO/IEC 23094-1 +} EVCNALUnitArray; + +/** + * @brief Specifies the decoder configuration information for ISO/IEC 23094-1 video content. + * @see ISO/IEC 14496-15:2021 Coding of audio-visual objects - Part 15: section 12.3.3.2 + * Carriage of network abstraction layer (NAL) unit structured video in the ISO base media file format + */ +typedef struct EVCDecoderConfigurationRecord { + uint8_t configurationVersion; // 8 bits + uint8_t profile_idc; // 8 bits + uint8_t level_idc; // 8 bits + uint32_t toolset_idc_h; // 32 bits + uint32_t toolset_idc_l; // 32 bits + uint8_t chroma_format_idc; // 2 bits + uint8_t bit_depth_luma_minus8; // 3 bits + uint8_t bit_depth_chroma_minus8; // 3 bits + uint16_t pic_width_in_luma_samples; // 16 bits + uint16_t pic_height_in_luma_samples; // 16 bits + uint8_t reserved; // 6 bits '000000'b + uint8_t lengthSizeMinusOne; // 2 bits + uint8_t num_of_arrays; // 8 bits + EVCNALUnitArray arrays[NB_ARRAYS]; +} EVCDecoderConfigurationRecord; + +typedef struct NALU { + int offset; + uint32_t size; +} NALU; + +typedef struct NALUList { + NALU *nalus; + unsigned nalus_array_size; + unsigned nb_nalus; ///< valid entries in nalus +} NALUList; + +// @see ISO_IEC_23094-1 (7.3.2.1 SPS RBSP syntax) +static int evcc_parse_sps(const uint8_t *bs, int bs_size, EVCDecoderConfigurationRecord *evcc) +{ + GetBitContext gb; + int sps_seq_parameter_set_id; + EVCSPS sps; + + if (init_get_bits8(&gb, bs, bs_size) < 0) + return 0; + + sps.sps_seq_parameter_set_id = get_ue_golomb(&gb); + + if (sps_seq_parameter_set_id >= EVC_MAX_SPS_COUNT) + return 0; + + // the Baseline profile is indicated by profile_idc eqal to 0 + // the Main profile is indicated by profile_idc eqal to 1 + sps.profile_idc = get_bits(&gb, 8); + + sps.level_idc = get_bits(&gb, 8); + + sps.toolset_idc_h = get_bits(&gb, 32); + sps.toolset_idc_l = get_bits(&gb, 32); + + // 0 - monochrome + // 1 - 4:2:0 + // 2 - 4:2:2 + // 3 - 4:4:4 + sps.chroma_format_idc = get_ue_golomb(&gb); + + sps.pic_width_in_luma_samples = get_ue_golomb(&gb); + sps.pic_height_in_luma_samples = get_ue_golomb(&gb); + + sps.bit_depth_luma_minus8 = get_ue_golomb(&gb); + sps.bit_depth_chroma_minus8 = get_ue_golomb(&gb); + + evcc->profile_idc = sps.profile_idc; + evcc->level_idc = sps.level_idc; + evcc->toolset_idc_h = sps.toolset_idc_h; + evcc->toolset_idc_l = sps.toolset_idc_l; + evcc->chroma_format_idc = sps.chroma_format_idc; + evcc->bit_depth_luma_minus8 = sps.bit_depth_luma_minus8; + evcc->bit_depth_chroma_minus8 = sps.bit_depth_chroma_minus8; + evcc->pic_width_in_luma_samples = sps.pic_width_in_luma_samples; + evcc->pic_height_in_luma_samples = sps.pic_height_in_luma_samples; + + return 0; +} + +// @see ISO/IEC 14496-15:2021 Coding of audio-visual objects - Part 15: section 12.3.3.3 +static int evcc_array_add_nal_unit(const uint8_t *nal_buf, uint32_t nal_size, + uint8_t nal_type, int ps_array_completeness, + EVCNALUnitArray *array) +{ + int ret; + uint16_t numNalus = array->numNalus; + + ret = av_reallocp_array(&array->nalUnit, numNalus + 1, sizeof(uint8_t *)); + if (ret < 0) + return ret; + + ret = av_reallocp_array(&array->nalUnitLength, numNalus + 1, sizeof(uint16_t)); + if (ret < 0) + return ret; + + array->nalUnit [numNalus] = (uint8_t *)nal_buf; + array->nalUnitLength[numNalus] = nal_size; + array->NAL_unit_type = nal_type; + array->numNalus++; + + /* + * When the sample entry name is 'evc1', the default and mandatory value of + * array_completeness is 1 for arrays of all types of parameter sets, and 0 + * for all other arrays. + */ + if (nal_type == EVC_SPS_NUT || nal_type == EVC_PPS_NUT || nal_type == EVC_APS_NUT) + array->array_completeness = ps_array_completeness; + + return 0; +} + +static void evcc_init(EVCDecoderConfigurationRecord *evcc) +{ + memset(evcc, 0, sizeof(EVCDecoderConfigurationRecord)); + evcc->configurationVersion = 1; + evcc->lengthSizeMinusOne = 3; // 4 bytes +} + +static void evcc_close(EVCDecoderConfigurationRecord *evcc) +{ + for (unsigned i = 0; i < FF_ARRAY_ELEMS(evcc->arrays); i++) { + EVCNALUnitArray *const array = &evcc->arrays[i]; + array->numNalus = 0; + av_freep(&array->nalUnit); + av_freep(&array->nalUnitLength); + } +} + +static int evcc_write(AVIOContext *pb, EVCDecoderConfigurationRecord *evcc) +{ + uint16_t sps_count; + + av_log(NULL, AV_LOG_TRACE, "configurationVersion: %"PRIu8"\n", + evcc->configurationVersion); + av_log(NULL, AV_LOG_TRACE, "profile_idc: %"PRIu8"\n", + evcc->profile_idc); + av_log(NULL, AV_LOG_TRACE, "level_idc: %"PRIu8"\n", + evcc->level_idc); + av_log(NULL, AV_LOG_TRACE, "toolset_idc_h: %"PRIu32"\n", + evcc->toolset_idc_h); + av_log(NULL, AV_LOG_TRACE, "toolset_idc_l: %"PRIu32"\n", + evcc->toolset_idc_l); + av_log(NULL, AV_LOG_TRACE, "chroma_format_idc: %"PRIu8"\n", + evcc->chroma_format_idc); + av_log(NULL, AV_LOG_TRACE, "bit_depth_luma_minus8: %"PRIu8"\n", + evcc->bit_depth_luma_minus8); + av_log(NULL, AV_LOG_TRACE, "bit_depth_chroma_minus8: %"PRIu8"\n", + evcc->bit_depth_chroma_minus8); + av_log(NULL, AV_LOG_TRACE, "pic_width_in_luma_samples: %"PRIu16"\n", + evcc->pic_width_in_luma_samples); + av_log(NULL, AV_LOG_TRACE, "pic_height_in_luma_samples: %"PRIu16"\n", + evcc->pic_height_in_luma_samples); + av_log(NULL, AV_LOG_TRACE, "lengthSizeMinusOne: %"PRIu8"\n", + evcc->lengthSizeMinusOne); + av_log(NULL, AV_LOG_TRACE, "num_of_arrays: %"PRIu8"\n", + evcc->num_of_arrays); + for (unsigned i = 0; i < FF_ARRAY_ELEMS(evcc->arrays); i++) { + const EVCNALUnitArray *const array = &evcc->arrays[i]; + + if(array->numNalus == 0) + continue; + + av_log(NULL, AV_LOG_TRACE, "array_completeness[%"PRIu8"]: %"PRIu8"\n", + i, array->array_completeness); + av_log(NULL, AV_LOG_TRACE, "NAL_unit_type[%"PRIu8"]: %"PRIu8"\n", + i, array->NAL_unit_type); + av_log(NULL, AV_LOG_TRACE, "numNalus[%"PRIu8"]: %"PRIu16"\n", + i, array->numNalus); + for ( unsigned j = 0; j < array->numNalus; j++) + av_log(NULL, AV_LOG_TRACE, + "nalUnitLength[%"PRIu8"][%"PRIu16"]: %"PRIu16"\n", + i, j, array->nalUnitLength[j]); + } + + /* + * We need at least one SPS. + */ + sps_count = evcc->arrays[SPS_INDEX].numNalus; + if (!sps_count || sps_count > EVC_MAX_SPS_COUNT) + return AVERROR_INVALIDDATA; + + if (!sps_count || sps_count > EVC_MAX_SPS_COUNT) + return AVERROR_INVALIDDATA; + + /* unsigned int(8) configurationVersion = 1; */ + avio_w8(pb, evcc->configurationVersion); + + /* unsigned int(8) profile_idc */ + avio_w8(pb, evcc->profile_idc); + + /* unsigned int(8) profile_idc */ + avio_w8(pb, evcc->level_idc); + + /* unsigned int(32) toolset_idc_h */ + avio_wb32(pb, evcc->toolset_idc_h); + + /* unsigned int(32) toolset_idc_l */ + avio_wb32(pb, evcc->toolset_idc_l); + + /* + * unsigned int(2) chroma_format_idc; + * unsigned int(3) bit_depth_luma_minus8; + * unsigned int(3) bit_depth_chroma_minus8; + */ + avio_w8(pb, evcc->chroma_format_idc << 6 | + evcc->bit_depth_luma_minus8 << 3 | + evcc->bit_depth_chroma_minus8); + + /* unsigned int(16) pic_width_in_luma_samples; */ + avio_wb16(pb, evcc->pic_width_in_luma_samples); + + /* unsigned int(16) pic_width_in_luma_samples; */ + avio_wb16(pb, evcc->pic_height_in_luma_samples); + + /* + * bit(6) reserved = '111111'b; + * unsigned int(2) chromaFormat; + */ + avio_w8(pb, evcc->lengthSizeMinusOne | 0xfc); + + /* unsigned int(8) numOfArrays; */ + avio_w8(pb, evcc->num_of_arrays); + + for (unsigned i = 0; i < FF_ARRAY_ELEMS(evcc->arrays); i++) { + const EVCNALUnitArray *const array = &evcc->arrays[i]; + + if (!array->numNalus) + continue; + + /* + * bit(1) array_completeness; + * unsigned int(1) reserved = 0; + * unsigned int(6) NAL_unit_type; + */ + avio_w8(pb, array->array_completeness << 7 | + array->NAL_unit_type & 0x3f); + + /* unsigned int(16) numNalus; */ + avio_wb16(pb, array->numNalus); + + for (unsigned j = 0; j < array->numNalus; j++) { + /* unsigned int(16) nalUnitLength; */ + avio_wb16(pb, array->nalUnitLength[j]); + + /* bit(8*nalUnitLength) nalUnit; */ + avio_write(pb, array->nalUnit[j], + array->nalUnitLength[j]); + } + } + + return 0; +} + +int ff_isom_write_evcc(AVIOContext *pb, const uint8_t *data, + int size, int ps_array_completeness) +{ + EVCDecoderConfigurationRecord evcc; + int nalu_type; + size_t nalu_size; + int bytes_to_read = size; + unsigned array_index; + + int ret = 0; + + if (size < 8) { + /* We can't write a valid evcC from the provided data */ + return AVERROR_INVALIDDATA; + } else if (*data == 1) { + /* Data is already evcC-formatted */ + avio_write(pb, data, size); + return 0; + } + + evcc_init(&evcc); + + while (bytes_to_read > EVC_NALU_LENGTH_PREFIX_SIZE) { + nalu_size = av_evc_read_nal_unit_length(data, EVC_NALU_LENGTH_PREFIX_SIZE, pb); + if (nalu_size == 0) break; + + data += EVC_NALU_LENGTH_PREFIX_SIZE; + bytes_to_read -= EVC_NALU_LENGTH_PREFIX_SIZE; + + if (bytes_to_read < nalu_size) break; + + nalu_type = av_evc_get_nalu_type(data, bytes_to_read, pb); + + // @see ISO/IEC 14496-15:2021 Coding of audio-visual objects - Part 15: section 12.3.3.3 + // NAL_unit_type indicates the type of the NAL units in the following array (which shall be all of that type); + // - it takes a value as defined in ISO/IEC 23094-1; + // - it is restricted to take one of the values indicating a SPS, PPS, APS, or SEI NAL unit. + switch (nalu_type) { + case EVC_SPS_NUT: + array_index = SPS_INDEX; + break; + case EVC_PPS_NUT: + array_index = PPS_INDEX; + break; + case EVC_APS_NUT: + array_index = APS_INDEX; + break; + case EVC_SEI_NUT: + array_index = SEI_INDEX; + break; + default: + array_index = -1; + break; + } + + if( (array_index == SPS_INDEX) || + (array_index == PPS_INDEX) || + (array_index == APS_INDEX) || + (array_index == SEI_INDEX) ) { + + ret = evcc_array_add_nal_unit(data, nalu_size, nalu_type, ps_array_completeness, &(evcc.arrays[array_index])); + + if (ret < 0) + goto end; + if (evcc.arrays[array_index].numNalus == 1) + evcc.num_of_arrays++; + + if(nalu_type == EVC_SPS_NUT) { + ret = evcc_parse_sps(data, nalu_size, &evcc); + if (ret < 0) + goto end; + } + } + + data += nalu_size; + bytes_to_read -= nalu_size; + } + + ret = evcc_write(pb, &evcc); + +end: + evcc_close(&evcc); + return ret; +} diff --git a/libavformat/evc.h b/libavformat/evc.h new file mode 100644 index 0000000000..db56275fd8 --- /dev/null +++ b/libavformat/evc.h @@ -0,0 +1,44 @@ +/* + * EVC helper functions for muxers + * Copyright (c) 2022 Dawid Kozinski + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVFORMAT_EVC_H +#define AVFORMAT_EVC_H + +#include +#include "libavutil/rational.h" +#include "avio.h" + + + +/** + * Writes EVC sample metadata to the provided AVIOContext. + * + * @param pb pointer to the AVIOContext where the evc sample metadata shall be written + * @param buf input data buffer + * @param size size in bytes of the input data buffer + * @param ps_array_completeness @see ISO/IEC 14496-15:2021 Coding of audio-visual objects - Part 15: section 12.3.3.3 + * + * @return 0 in case of success, a negative error code in case of failure + */ +int ff_isom_write_evcc(AVIOContext *pb, const uint8_t *data, + int size, int ps_array_completeness); + +#endif // AVFORMAT_EVC_H diff --git a/libavformat/isom_tags.c b/libavformat/isom_tags.c index 86c7272525..2a29823b2e 100644 --- a/libavformat/isom_tags.c +++ b/libavformat/isom_tags.c @@ -147,6 +147,8 @@ const AVCodecTag ff_codec_movvideo_tags[] = { { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', '1') }, /* AVC-based Dolby Vision derived from avc1 */ { AV_CODEC_ID_H264, MKTAG('d', 'v', 'a', 'v') }, /* AVC-based Dolby Vision derived from avc3 */ + { AV_CODEC_ID_EVC, MKTAG('e', 'v', 'c', '1') }, /* EVC/MPEG-5 */ + { AV_CODEC_ID_VP8, MKTAG('v', 'p', '0', '8') }, /* VP8 */ { AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') }, /* VP9 */ { AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') }, /* AV1 */ diff --git a/libavformat/movenc.c b/libavformat/movenc.c index a9c8e104f0..f1cc80b1b3 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -35,6 +35,7 @@ #include "isom.h" #include "av1.h" #include "avc.h" +#include "evc.h" #include "libavcodec/ac3_parser_internal.h" #include "libavcodec/dnxhddata.h" #include "libavcodec/flac.h" @@ -1455,6 +1456,21 @@ static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track) return update_size(pb, pos); } +static int mov_write_evcc_tag(AVIOContext *pb, MOVTrack *track) +{ + int64_t pos = avio_tell(pb); + + avio_wb32(pb, 0); + ffio_wfourcc(pb, "evcC"); + + if (track->tag == MKTAG('e','v','c','1')) + ff_isom_write_evcc(pb, track->vos_data, track->vos_len, 1); + else + ff_isom_write_evcc(pb, track->vos_data, track->vos_len, 0); + + return update_size(pb, pos); +} + /* also used by all avid codecs (dv, imx, meridien) and their variants */ static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track) { @@ -1704,6 +1720,16 @@ static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track) return tag; } +static int mov_get_evc_codec_tag(AVFormatContext *s, MOVTrack *track) +{ + int tag = track->par->codec_tag; + + if (!tag) + tag = MKTAG('e', 'v', 'c', '1'); + + return tag; +} + static const struct { enum AVPixelFormat pix_fmt; uint32_t tag; @@ -1785,6 +1811,8 @@ static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) tag = mov_get_mpeg2_xdcam_codec_tag(s, track); else if (track->par->codec_id == AV_CODEC_ID_H264) tag = mov_get_h264_codec_tag(s, track); + else if (track->par->codec_id == AV_CODEC_ID_EVC) + tag = mov_get_evc_codec_tag(s, track); else if (track->par->codec_id == AV_CODEC_ID_DNXHD) tag = mov_get_dnxhd_codec_tag(s, track); else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) { @@ -2352,6 +2380,9 @@ static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContex mov_write_avcc_tag(pb, track); if (track->mode == MODE_IPOD) mov_write_uuid_tag_ipod(pb); + } + else if (track->par->codec_id ==AV_CODEC_ID_EVC) { + mov_write_evcc_tag(pb, track); } else if (track->par->codec_id == AV_CODEC_ID_VP9) { mov_write_vpcc_tag(mov->fc, pb, track); } else if (track->par->codec_id == AV_CODEC_ID_AV1) { @@ -6126,6 +6157,7 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_HEVC || par->codec_id == AV_CODEC_ID_VP9 || + par->codec_id == AV_CODEC_ID_EVC || par->codec_id == AV_CODEC_ID_TRUEHD) && !trk->vos_len && !TAG_IS_AVCI(trk->tag)) { /* copy frame to create needed atoms */ @@ -7785,6 +7817,7 @@ static const AVCodecTag codec_mp4_tags[] = { { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') }, { AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') }, { AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') }, + { AV_CODEC_ID_EVC, MKTAG('e', 'v', 'c', '1') }, { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') }, { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') }, { AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },