isomedia_dev.h

来自「gaca源码」· C头文件 代码 · 共 2,422 行 · 第 1/5 页

	u32 altCount;
	u32 *altBrand;
} GF_FileTypeBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 *rates;
	u32 *times;
	u32 count;
} GF_ProgressiveDownloadBox;


/*
	3GPP streaming text boxes
*/

typedef struct
{
	GF_ISOM_BOX
	u32 entry_count;
	GF_FontRecord *fonts;
} GF_FontTableBox;

typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS				\
	u32 displayFlags;
	s8 horizontal_justification;
	s8 vertical_justification;
	/*ARGB*/
	u32 back_color;
	GF_BoxRecord default_box; 
	GF_StyleRecord	default_style;
	GF_FontTableBox *font_table;
} GF_TextSampleEntryBox;

typedef struct
{
	GF_ISOM_BOX
	u32 entry_count;
	GF_StyleRecord *styles;
} GF_TextStyleBox;

typedef struct
{
	GF_ISOM_BOX
	u16 startcharoffset;
	u16 endcharoffset; 
} GF_TextHighlightBox;

typedef struct
{
	GF_ISOM_BOX
	/*ARGB*/
	u32 hil_color;
} GF_TextHighlightColorBox;

typedef struct
{
	u32 highlight_endtime;
	u16 start_charoffset;
	u16 end_charoffset;
} KaraokeRecord;

typedef struct
{
	GF_ISOM_BOX
	u32 highlight_starttime;
	u16 entrycount;
	KaraokeRecord *records;
} GF_TextKaraokeBox;

typedef struct
{
	GF_ISOM_BOX
	u32 scroll_delay;
} GF_TextScrollDelayBox;

typedef struct
{
	GF_ISOM_BOX
	u16 startcharoffset;
	u16 endcharoffset;
	char *URL;
	char *URL_hint;
} GF_TextHyperTextBox;

typedef struct
{
	GF_ISOM_BOX
	GF_BoxRecord box;
} GF_TextBoxBox;

typedef struct
{
	GF_ISOM_BOX
	u16 startcharoffset;
	u16 endcharoffset;
} GF_TextBlinkBox;

typedef struct
{
	GF_ISOM_BOX
	u8 wrap_flag;
} GF_TextWrapBox;

/*
	MPEG-21 extensions
*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u32 xml_length;
	u8 *xml;
} GF_XMLBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 data_length;
	u8 *data;
} GF_BinaryXMLBox;

typedef struct
{
	u64 extent_offset;
	u64 extent_length;
#ifndef GPAC_READ_OLNLY
	/*for storage only*/
	u64 original_extent_offset;
#endif
} GF_ItemExtentEntry;

typedef struct 
{
	u16 item_ID;
	u16 data_reference_index;
	u64 base_offset;
#ifndef GPAC_READ_OLNLY
	/*for storage only*/
	u64 original_base_offset;
#endif
	GF_List *extent_entries;
} GF_ItemLocationEntry;

typedef struct
{
	GF_ISOM_FULL_BOX
	u8 offset_size;
    u8 length_size;
	u8 base_offset_size;
	GF_List *location_entries;
} GF_ItemLocationBox;

typedef	struct 
{
	GF_ISOM_FULL_BOX
	u16 item_ID;
} GF_PrimaryItemBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *protection_information;
} GF_ItemProtectionBox;

typedef struct 
{
	GF_ISOM_FULL_BOX
	u16 item_ID;
	u16 item_protection_index;
	/*zero-terminated strings*/
	u8  *item_name;
	u8  *content_type;
	u8  *content_encoding;
	// needed to actually read the resource file, but not written in the MP21 file.
	u8  *full_path;
} GF_ItemInfoEntryBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *item_infos;
} GF_ItemInfoBox;

typedef struct
{
	GF_ISOM_BOX
	u32 data_format;
} GF_OriginalFormatBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 scheme_type;
	u32 scheme_version;
	char *URI;
} GF_SchemeTypeBox;

/*ISMACryp specific*/
typedef struct
{
	GF_ISOM_FULL_BOX
	/*zero-terminated string*/
	char *URI;
} GF_ISMAKMSBox;

/*ISMACryp specific*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u8 selective_encryption;
	u8 key_indicator_length;
	u8 IV_length;
} GF_ISMASampleFormatBox;

typedef struct
{
	GF_ISOM_BOX
	GF_ISMAKMSBox *ikms;
	GF_ISMASampleFormatBox *isfm;
} GF_SchemeInformationBox;

typedef struct __tag_protect_box
{
	GF_ISOM_BOX
	GF_OriginalFormatBox *original_format;
	GF_SchemeTypeBox *scheme_type;
	GF_SchemeInformationBox *info;
} GF_ProtectionInfoBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_List *descriptors;
} GF_IPMPInfoBox;

typedef struct
{
	GF_ISOM_FULL_BOX
	GF_IPMP_ToolList *ipmp_tools;
	GF_List *descriptors;
} GF_IPMPControlBox;


typedef struct __tag_meta_box
{
	GF_ISOM_FULL_BOX
	GF_HandlerBox *handler;	
	GF_PrimaryItemBox *primary_resource;
	GF_DataInformationBox *file_locations;
	GF_ItemLocationBox *item_locations;
	GF_ItemProtectionBox *protections;
	GF_ItemInfoBox *item_infos;
	GF_IPMPControlBox *IPMP_control;
	GF_List *other_boxes;
} GF_MetaBox;




#ifndef	GF_ISOM_NO_FRAGMENTS

/*V2 boxes - Movie Fragments*/

typedef struct
{
	GF_ISOM_FULL_BOX
	u64 fragment_duration;
} GF_MovieExtendsHeaderBox;


typedef struct __tag_mvex_box
{
	GF_ISOM_BOX
	GF_List *TrackExList;
	GF_MovieExtendsHeaderBox *mehd;
	GF_ISOFile *mov;
} GF_MovieExtendsBox;

/*the TrackExtends contains default values for the track fragments*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u32 trackID;
	u32 def_sample_desc_index;
	u32 def_sample_duration;
	u32 def_sample_size;
	u32 def_sample_flags;
	GF_TrackBox *track;
} GF_TrackExtendsBox;

/*indicates the seq num of this fragment*/
typedef struct
{
	GF_ISOM_FULL_BOX
	u32 sequence_number;
} GF_MovieFragmentHeaderBox;

/*MovieFragment is a container IN THE FILE, contains 1 fragment*/
typedef struct
{
	GF_ISOM_BOX
	GF_MovieFragmentHeaderBox *mfhd;
	GF_List *TrackList;
	GF_ISOFile *mov;
} GF_MovieFragmentBox;


/*FLAGS for TRAF*/
enum
{
	GF_ISOM_TRAF_BASE_OFFSET	=	0x01,
	GF_ISOM_TRAF_SAMPLE_DESC	=	0x02,
	GF_ISOM_TRAF_SAMPLE_DUR	=	0x08,
	GF_ISOM_TRAF_SAMPLE_SIZE	=	0x10,
	GF_ISOM_TRAF_SAMPLE_FLAGS	=	0x20,
	GF_ISOM_TRAF_DUR_EMPTY	=	0x10000
};

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 trackID;
	/* all the following are optional fields */
	u64 base_data_offset;
	u32 sample_desc_index;
	u32 def_sample_duration;
	u32 def_sample_size;
	u32 def_sample_flags;
	u32 EmptyDuration;
	u8 IFrameSwitching;
} GF_TrackFragmentHeaderBox;

typedef struct
{
	GF_ISOM_BOX
	GF_TrackFragmentHeaderBox *tfhd;
	GF_List *TrackRuns;
	/*keep a pointer to default flags*/
	GF_TrackExtendsBox *trex;
	/*when data caching is on*/
	u32 DataCache;
} GF_TrackFragmentBox;

/*FLAGS for TRUN : specify what is written in the SampleTable of TRUN*/
enum
{
	GF_ISOM_TRUN_DATA_OFFSET	= 0x01,
	GF_ISOM_TRUN_FIRST_FLAG		= 0x04,
	GF_ISOM_TRUN_DURATION		= 0x100,
	GF_ISOM_TRUN_SIZE			= 0x200,
	GF_ISOM_TRUN_FLAGS			= 0x400,
	GF_ISOM_TRUN_CTS_OFFSET		= 0x800
};

typedef struct
{
	GF_ISOM_FULL_BOX
	u32 sample_count;
	/*the following are optional fields */
	s32 data_offset;
	u32 first_sample_flags;
	/*can be empty*/
	GF_List *entries;

	/*in write mode with data caching*/
	GF_BitStream *cache;
} GF_TrackFragmentRunBox;

typedef struct
{
	u32 Duration;
	u32 size;
	u32 flags;
	u32 CTS_Offset;
} GF_TrunEntry;

#endif


/*RTP Hint Track Sample Entry*/
typedef struct
{
	GF_ISOM_SAMPLE_ENTRY_FIELDS
	u16 HintTrackVersion;
	u16 LastCompatibleVersion;
	u32 MaxPacketSize;
	GF_List *HintDataTable;
	/*this is where we store the current RTP sample in read/write mode*/
	struct __tag_hint_sample *hint_sample;
	/*current hint sample in read mode, 1-based (0 is reset)*/
	u32 cur_sample;
	u32 pck_sn, ts_offset, ssrc;
	GF_TrackReferenceTypeBox *hint_ref;
} GF_HintSampleEntryBox;


typedef struct
{
	GF_ISOM_BOX
	u32 subType;
	char *sdpText;
} GF_RTPBox;

typedef struct
{
	GF_ISOM_BOX
	char *sdpText;
} GF_SDPBox;

typedef struct
{
	GF_ISOM_BOX
	s32 timeOffset;
} GF_RTPOBox;

typedef struct
{
	GF_ISOM_BOX
	/*contains GF_SDPBox if in track, GF_RTPBox if in movie*/
	GF_Box *SDP;
	GF_List *boxList;
} GF_HintTrackInfoBox;

typedef struct
{
	GF_ISOM_BOX
	u8 reserved;
	u8 prefered;
	u8 required;
} GF_RelyHintBox;

/***********************************************************
			data entry tables for RTP
***********************************************************/
typedef struct
{
	GF_ISOM_BOX
	u32 timeScale;
} GF_TSHintEntryBox;

typedef struct
{
	GF_ISOM_BOX
	u32 TimeOffset;	
} GF_TimeOffHintEntryBox;

typedef struct
{
	GF_ISOM_BOX
	u32 SeqOffset;
} GF_SeqOffHintEntryBox;



/***********************************************************
			hint track information boxes for RTP
***********************************************************/

/*Total number of bytes that will be sent, including 12-byte RTP headers, but not including any network headers*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbBytes;
} GF_TRPYBox;

/*32-bits version of trpy used in Darwin*/
typedef struct
{
	GF_ISOM_BOX
	u32 nbBytes;
} GF_TOTLBox;

/*Total number of network packets that will be sent*/
typedef struct
{
	GF_ISOM_BOX
	u64 nbPackets;
} GF_NUMPBox;

/*32-bits version of nump used in Darwin*/
typedef struct
{