Mani Monajjemi
84 linhas
3.2 KiB
C
84 linhas
3.2 KiB
C
/*
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* ardrone_video_atoms.h
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* ARDroneLib
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*
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* Created by n.brulez on 19/08/11
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* Copyright 2011 Parrot SA. All rights reserved.
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*
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*/
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#ifndef _ARDRONE_VIDEO_ATOMS_H_
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#define _ARDRONE_VIDEO_ATOMS_H_
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#include <inttypes.h>
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#include <stdio.h>
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#include <time.h>
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#include "ardrone_video_encapsuler.h"
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typedef struct _movie_atom_t {
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uint32_t size;
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char tag [4];
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uint8_t *data;
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uint8_t wide;
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} movie_atom_t;
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/* Atoms :
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LEGEND :
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-> specific = specific function to generate this atom
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-> empty = use atomFromData (0, "name", NULL);
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-> from data = use atomFromData (dataSize, "name", dataPointer);
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ftyp -> specific
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mdat -> specific (include freeAtom if needed)
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moov -> empty
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|- mvhd -> specific
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|- trak -> empty
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| |- tkhd -> specific
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| \- mdia -> empty
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| |- mdhd -> specific
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| |- hdlr -> specific (for mdia)
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| \- minf -> empty
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| |- vmhd -> specific
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| |- hdlr -> specific (for minf)
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| |- dinf -> empty
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| | \- dref -> specific
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| \- stbl -> empty
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| |- stsd -> specific
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| |- stts -> specific
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| |- stss -> from data (i frame positions as uint32_t network endian)
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| |- stsc -> specific
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| |- stsz -> from data (frames sizes as uint32_t network endian)
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| \- stco -> from data (frames offset as uint32_t network endian)
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\- udta -> empty
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|- meta1 -> all meta specific (metadataAtomFromTagAndValue)
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[...]
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\- metaN -> all meta specific (metadataAtomFromTagAndValue)
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ardt -> specific
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*/
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/* REMINDER : NEVER INCLUDE A MDAT ATOM INTO ANY OTHER ATOM */
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/* GENERIC */
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movie_atom_t *atomFromData (uint32_t data_size, const char *_tag, const uint8_t *_data);
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void insertAtomIntoAtom (movie_atom_t *container, movie_atom_t **leaf); // will free leaf
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int writeAtomToFile (movie_atom_t **_atom, FILE *file); // Will free _atom
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void freeAtom (movie_atom_t **_atom);
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/* SPECIFIC */
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movie_atom_t *ftypAtomForFormatAndCodecWithOffset (ardrone_video_type_t format, parrot_video_encapsulation_codecs_t codec, uint32_t *offset, movie_atom_t **freeAtom);
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movie_atom_t *mdatAtomForFormatWithVideoSize (ardrone_video_type_t format, uint64_t videoSize);
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movie_atom_t *mvhdAtomFromFpsNumFramesAndDate (uint32_t fps, uint32_t nbFrames, time_t date);
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movie_atom_t *tkhdAtomWithResolutionNumFramesFpsAndDate (uint32_t w, uint32_t h, uint32_t nbFrames, uint32_t fps, time_t date);
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movie_atom_t *mdhdAtomFromFpsNumFramesAndDate (uint32_t fps, uint32_t nbFrames, time_t date);
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movie_atom_t *hdlrAtomForMdia ();
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movie_atom_t *vmhdAtomGen ();
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movie_atom_t *hdlrAtomForMinf ();
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movie_atom_t *drefAtomGen ();
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movie_atom_t *stsdAtomWithResolutionAndCodec (uint32_t w, uint32_t h, parrot_video_encapsulation_codecs_t codec);
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movie_atom_t *stsdAtomWithResolutionCodecSpsAndPps (uint32_t w, uint32_t h, parrot_video_encapsulation_codecs_t codec, uint8_t *sps, uint32_t spsSize, uint8_t *pps, uint32_t ppsSize);
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movie_atom_t *sttsAtomWithNumFrames (uint32_t nbFrames);
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movie_atom_t *stscAtomGen ();
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movie_atom_t *metadataAtomFromTagAndValue (const char *tag, const char *value);
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movie_atom_t *ardtAtomFromPathAndDroneVersion(const char *path, uint8_t droneVersion);
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#endif // _ARDRONE_VIDEO_ATOMS_H_
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