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ff0618b5c4
Tags can be marked "not used" upfront, saving some space in the primer. av_asserts0() is used to enforce that only tags that are in the primer can actually be written. Sharing of MasteringDisplay ULs is now done via macros.
159 lines
5.0 KiB
C
159 lines
5.0 KiB
C
/*
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* MXF
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* Copyright (c) 2006 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
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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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#ifndef AVFORMAT_MXF_H
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#define AVFORMAT_MXF_H
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#include "avformat.h"
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#include "libavcodec/avcodec.h"
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#include <stdint.h>
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typedef uint8_t UID[16];
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enum MXFMetadataSetType {
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AnyType,
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MaterialPackage,
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SourcePackage,
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SourceClip,
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TimecodeComponent,
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PulldownComponent,
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Sequence,
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MultipleDescriptor,
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Descriptor,
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Track,
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CryptoContext,
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Preface,
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Identification,
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ContentStorage,
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SubDescriptor,
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IndexTableSegment,
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EssenceContainerData,
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EssenceGroup,
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TaggedValue,
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TapeDescriptor,
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AVCSubDescriptor,
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};
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enum MXFFrameLayout {
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FullFrame = 0,
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SeparateFields,
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OneField,
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MixedFields,
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SegmentedFrame,
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};
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typedef struct MXFContentPackageRate {
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int rate;
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AVRational tb;
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} MXFContentPackageRate;
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typedef struct KLVPacket {
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UID key;
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int64_t offset;
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uint64_t length;
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int64_t next_klv;
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} KLVPacket;
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typedef enum {
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NormalWrap = 0,
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D10D11Wrap,
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RawAWrap,
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RawVWrap
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} MXFWrappingIndicatorType;
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typedef struct MXFLocalTagPair {
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int local_tag;
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UID uid;
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} MXFLocalTagPair;
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extern const uint8_t ff_mxf_random_index_pack_key[16];
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#define FF_MXF_MasteringDisplay_PREFIX 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0e,0x04,0x20,0x04,0x01,0x01
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#define FF_MXF_MasteringDisplayPrimaries { FF_MXF_MasteringDisplay_PREFIX,0x01,0x00,0x00 }
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#define FF_MXF_MasteringDisplayWhitePointChromaticity { FF_MXF_MasteringDisplay_PREFIX,0x02,0x00,0x00 }
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#define FF_MXF_MasteringDisplayMaximumLuminance { FF_MXF_MasteringDisplay_PREFIX,0x03,0x00,0x00 }
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#define FF_MXF_MasteringDisplayMinimumLuminance { FF_MXF_MasteringDisplay_PREFIX,0x04,0x00,0x00 }
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#define FF_MXF_MASTERING_CHROMA_DEN 50000
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#define FF_MXF_MASTERING_LUMA_DEN 10000
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typedef struct MXFCodecUL {
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UID uid;
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unsigned matching_len;
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int id;
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const char *desc;
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unsigned wrapping_indicator_pos;
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MXFWrappingIndicatorType wrapping_indicator_type;
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} MXFCodecUL;
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extern const MXFCodecUL ff_mxf_data_definition_uls[];
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extern const MXFCodecUL ff_mxf_codec_uls[];
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extern const MXFCodecUL ff_mxf_pixel_format_uls[];
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extern const MXFCodecUL ff_mxf_codec_tag_uls[];
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extern const MXFCodecUL ff_mxf_color_primaries_uls[];
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extern const MXFCodecUL ff_mxf_color_trc_uls[];
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extern const MXFCodecUL ff_mxf_color_space_uls[];
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int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
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int ff_mxf_get_content_package_rate(AVRational time_base);
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#define PRIxUID \
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"%02x.%02x.%02x.%02x." \
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"%02x.%02x.%02x.%02x." \
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"%02x.%02x.%02x.%02x." \
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"%02x.%02x.%02x.%02x"
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#define UID_ARG(x) \
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(x)[0], (x)[1], (x)[2], (x)[3], \
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(x)[4], (x)[5], (x)[6], (x)[7], \
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(x)[8], (x)[9], (x)[10], (x)[11], \
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(x)[12], (x)[13], (x)[14], (x)[15] \
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#ifdef DEBUG
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#define PRINT_KEY(pc, s, x) \
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av_log(pc, AV_LOG_VERBOSE, \
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"%s " \
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"0x%02x,0x%02x,0x%02x,0x%02x," \
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"0x%02x,0x%02x,0x%02x,0x%02x," \
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"0x%02x,0x%02x,0x%02x,0x%02x," \
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"0x%02x,0x%02x,0x%02x,0x%02x ", \
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s, UID_ARG(x)); \
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av_log(pc, AV_LOG_INFO, \
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"%s " \
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"%02x.%02x.%02x.%02x." \
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"%02x.%02x.%02x.%02x." \
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"%02x.%02x.%02x.%02x." \
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"%02x.%02x.%02x.%02x\n", \
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s, UID_ARG(x))
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#else
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#define PRINT_KEY(pc, s, x) do { if(0) \
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av_log(pc, AV_LOG_VERBOSE, \
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"%s " \
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"0x%02x,0x%02x,0x%02x,0x%02x," \
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"0x%02x,0x%02x,0x%02x,0x%02x," \
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"0x%02x,0x%02x,0x%02x,0x%02x," \
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"0x%02x,0x%02x,0x%02x,0x%02x ", \
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s, UID_ARG(x)); \
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}while(0)
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#endif
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#endif /* AVFORMAT_MXF_H */
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