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			127 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.9 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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| 
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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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| 
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| typedef uint8_t UID[16];
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| 
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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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|     TypeBottom,// add metadata type before this
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|     EssenceGroup,
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|     TaggedValue,
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| };
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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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| 
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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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| } KLVPacket;
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| 
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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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| } MXFCodecUL;
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| 
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| typedef struct {
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|     struct AVRational time_base;
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|     int samples_per_frame[6];
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| } MXFSamplesPerFrame;
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| 
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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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| 
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| int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
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| const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base);
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| 
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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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| 
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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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| 
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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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| 
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| #endif /* AVFORMAT_MXF_H */
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