libavformat/wtvenc.c File Reference

Windows Television (WTV) demuxer. More...

#include "libavutil/intreadwrite.h"
#include "libavutil/avassert.h"
#include "avformat.h"
#include "internal.h"
#include "wtv.h"
#include "asf.h"

Detailed Description

Windows Television (WTV) demuxer.

Author:: Zhentan Feng <spyfeng at="" gmail="" dot="" com>="">

Definition in file wtvenc.c.

Define Documentation

#define _ , 0,

Definition at line 40 of file wtvenc.c.

#define INDEX_BASE 0x2

Definition at line 36 of file wtvenc.c.

Referenced by write_header(), write_packet(), write_stream_data(), and write_timestamp().

#define MAX_NB_INDEX 10

Definition at line 37 of file wtvenc.c.

Referenced by finish_chunk(), and write_chunk_header().

#define WTV_BIGSECTOR_SIZE (1 << WTV_BIGSECTOR_BITS)

Definition at line 35 of file wtvenc.c.

Referenced by finish_file().

Typedef Documentation

typedef int WTVHeaderWriteFunc(AVIOContext *pb)

Definition at line 101 of file wtvenc.c.

Enumeration Type Documentation

enum WtvFileIndex

Enumerator:

WTV_TIMELINE_TABLE_0_HEADER_EVENTS
WTV_TIMELINE_TABLE_0_ENTRIES_EVENTS
WTV_TIMELINE
WTV_TABLE_0_HEADER_LEGACY_ATTRIB
WTV_TABLE_0_ENTRIES_LEGACY_ATTRIB
WTV_TABLE_0_REDIRECTOR_LEGACY_ATTRIB
WTV_TABLE_0_HEADER_TIME
WTV_TABLE_0_ENTRIES_TIME
WTV_FILES

Definition at line 62 of file wtvenc.c.

Function Documentation

static void finish_chunk ( AVFormatContext * s ) [static]

Definition at line 198 of file wtvenc.c.

Referenced by write_DSATTRIB_TRANSPORT_PROPERTIES_init(), write_stream_codec(), write_stream_data(), and write_sync().

static void finish_chunk_noindex ( AVFormatContext * s ) [static]

Definition at line 161 of file wtvenc.c.

Referenced by finish_chunk(), and write_index().

static int finish_file	(	AVFormatContext *	s,
		enum WtvFileIndex	index,
		int64_t	start_pos
	)			`[static]`

Pad the remainder of a file Write out fat table.

Returns:: <0 on error

Definition at line 605 of file wtvenc.c.

Referenced by write_trailer().

static const ff_asf_guid* get_codec_guid	(	enum CodecID	id,
		const AVCodecGuid *	av_guid
	)			`[static]`

Definition at line 116 of file wtvenc.c.

Referenced by write_stream_codec_info().

static void write_chunk_header	(	AVFormatContext *	s,
		const ff_asf_guid *	guid,
		int	length,
		int	stream_id
	)			`[static]`

Write chunk header.

If header chunk (0x80000000 set) then add to list of header chunks

Definition at line 129 of file wtvenc.c.

Referenced by write_chunk_header2(), write_packet(), write_sync(), and write_timestamp().

static void write_chunk_header2	(	AVFormatContext *	s,
		const ff_asf_guid *	guid,
		int	stream_id
	)			`[static]`

Definition at line 151 of file wtvenc.c.

Referenced by write_DSATTRIB_TRANSPORT_PROPERTIES_init(), write_index(), write_stream_codec(), and write_stream_data().

static void write_DSATTRIB_TRANSPORT_PROPERTIES_init	(	AVFormatContext *	s,
		int	stream_index
	)			`[static]`

Definition at line 297 of file wtvenc.c.

Referenced by write_header().

static void write_fat	(	AVIOContext *	pb,
		int	start_sector,
		int	nb_sectors,
		int	shift
	)			`[static]`

Definition at line 528 of file wtvenc.c.

Referenced by write_fat_sector().

static int write_fat_sector	(	AVFormatContext *	s,
		int64_t	start_pos,
		int	nb_sectors,
		int	sector_bits,
		int	depth
	)			`[static]`

Definition at line 538 of file wtvenc.c.

Referenced by finish_file().

static int write_header ( AVFormatContext * s ) [static]

Definition at line 335 of file wtvenc.c.

static void write_index ( AVFormatContext * s ) [static]

Definition at line 176 of file wtvenc.c.

Referenced by ffm_is_avail_data(), finish_chunk(), and write_header().

static int write_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			`[static]`

Definition at line 425 of file wtvenc.c.

static int write_pad	(	AVIOContext *	pb,
		int	size
	)			`[static]`

Definition at line 109 of file wtvenc.c.

Referenced by finish_chunk_noindex(), finish_file(), write_fat(), write_header(), write_packet(), write_root_table(), write_stream_codec(), write_stream_codec_info(), write_stream_data(), write_sync(), write_table0_header_envents(), write_table0_header_legacy_attrib(), write_table0_header_time(), and write_timestamp().

static int write_root_table	(	AVFormatContext *	s,
		int64_t	sector_pos
	)			`[static]`

Definition at line 481 of file wtvenc.c.

Referenced by write_trailer().

static int write_stream_codec	(	AVFormatContext *	s,
		AVStream *	st
	)			`[static]`

Definition at line 262 of file wtvenc.c.

Referenced by write_header().

static int write_stream_codec_info	(	AVFormatContext *	s,
		AVStream *	st
	)			`[static]`

Definition at line 206 of file wtvenc.c.

Referenced by write_stream_codec(), and write_stream_data().

static int write_stream_data	(	AVFormatContext *	s,
		AVStream *	st,
		int	flag
	)			`[static]`

Definition at line 307 of file wtvenc.c.

Referenced by write_header().

static void write_sync ( AVFormatContext * s ) [static]

Definition at line 282 of file wtvenc.c.

Referenced by write_header().

static int write_table0_header_envents ( AVIOContext * pb ) [static]

Definition at line 442 of file wtvenc.c.

static int write_table0_header_legacy_attrib ( AVIOContext * pb ) [static]

Definition at line 450 of file wtvenc.c.

static int write_table0_header_time ( AVIOContext * pb ) [static]

Definition at line 462 of file wtvenc.c.

static void write_table_entries_attrib ( AVFormatContext * s ) [static]

Definition at line 577 of file wtvenc.c.

Referenced by write_trailer().

static void write_table_entries_events ( AVFormatContext * s ) [static]

Definition at line 558 of file wtvenc.c.

Referenced by write_trailer().

static void write_table_redirector_legacy_attrib ( AVFormatContext * s ) [static]

Definition at line 587 of file wtvenc.c.

Referenced by write_trailer().

static void write_tag	(	AVIOContext *	pb,
		const char *	key,
		const char *	value
	)			`[static]`

Definition at line 568 of file wtvenc.c.

Referenced by write_table_entries_attrib().

static void write_timestamp	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			`[static]`

Definition at line 401 of file wtvenc.c.

Referenced by write_packet().

static int write_trailer ( AVFormatContext * s ) [static]

Definition at line 663 of file wtvenc.c.

Variable Documentation

AVOutputFormat ff_wtv_muxer

Initial value:

 {
    .name           = "wtv",
    .long_name      = NULL_IF_CONFIG_SMALL("Windows Television (WTV)"),
    .extensions     = "wtv",
    .priv_data_size = sizeof(WtvContext),
    .audio_codec    = CODEC_ID_AC3,
    .video_codec    = CODEC_ID_MPEG2VIDEO,
    .write_header   = write_header,
    .write_packet   = write_packet,
    .write_trailer  = write_trailer,
    .codec_tag      = (const AVCodecTag* const []){ ff_codec_bmp_tags,
                                                    ff_codec_wav_tags, 0 },
}

Definition at line 711 of file wtvenc.c.

const ff_asf_guid index_guid [static]

Initial value:

    {0x96,0xc3,0xd2,0xc2,0x7e,0x9a,0xda,0x11,0x8b,0xf7,0x00,0x07,0xe9,0x5e,0xad,0x8d}

Definition at line 59 of file wtvenc.c.

Referenced by write_chunk_header(), and write_index().

const uint8_t legacy_attrib[] [static]

Initial value:

    {'l'_'e'_'g'_'a'_'c'_'y'_'_'_'a'_'t'_'t'_'r'_'i'_'b', 0}

Definition at line 49 of file wtvenc.c.

Referenced by write_table0_header_legacy_attrib().

const ff_asf_guid stream1_guid [static]

Initial value:

    {0xA1,0xC3,0xD2,0xC2,0x7E,0x9A,0xDA,0x11,0x8B,0xF7,0x00,0x07,0xE9,0x5E,0xAD,0x8D}

Definition at line 55 of file wtvenc.c.

Referenced by write_stream_codec().

const ff_asf_guid sub_wtv_guid [static]

Initial value:

    {0x8C,0xC3,0xD2,0xC2,0x7E,0x9A,0xDA,0x11,0x8B,0xF7,0x00,0x07,0xE9,0x5E,0xAD,0x8D}

Definition at line 53 of file wtvenc.c.

Referenced by write_header().

const ff_asf_guid sync_guid [static]

Initial value:

    {0x97,0xC3,0xD2,0xC2,0x7E,0x9A,0xDA,0x11,0x8B,0xF7,0x00,0x07,0xE9,0x5E,0xAD,0x8D}

Definition at line 57 of file wtvenc.c.

Referenced by write_sync().

const uint8_t table_0_header_legacy_attrib[] [static]

Initial value:

    {'t'_'a'_'b'_'l'_'e'_'.'_'0'_'.'_'h'_'e'_'a'_'d'_'e'_'r'_'.'_'l'_'e'_'g'_'a'_'c'_'y'_'_'_'a'_'t'_'t'_'r'_'i'_'b', 0}

Definition at line 43 of file wtvenc.c.

const uint8_t table_0_header_time[] [static]

Initial value:

    {'t'_'a'_'b'_'l'_'e'_'.'_'0'_'.'_'h'_'e'_'a'_'d'_'e'_'r'_'.'_'t'_'i'_'m'_'e', 0}

Definition at line 47 of file wtvenc.c.

const uint8_t table_0_redirector_legacy_attrib[] [static]

Initial value:

    {'t'_'a'_'b'_'l'_'e'_'.'_'0'_'.'_'r'_'e'_'d'_'i'_'r'_'e'_'c'_'t'_'o'_'r'_'.'_'l'_'e'_'g'_'a'_'c'_'y'_'_'_'a'_'t'_'t'_'r'_'i'_'b', 0}

Definition at line 45 of file wtvenc.c.

const uint8_t timeline_table_0_header_events[] [static]

Initial value:

    {'t'_'i'_'m'_'e'_'l'_'i'_'n'_'e'_'.'_'t'_'a'_'b'_'l'_'e'_'.'_'0'_'.'_'h'_'e'_'a'_'d'_'e'_'r'_'.'_'E'_'v'_'e'_'n'_'t'_'s', 0}

Definition at line 41 of file wtvenc.c.

const WTVRootEntryTable wtv_root_entry_table[] [static]

Initial value:

 {
    { timeline_table_0_header_events,          sizeof(timeline_table_0_header_events),          write_table0_header_envents},
    { ff_timeline_table_0_entries_Events_le16, sizeof(ff_timeline_table_0_entries_Events_le16), NULL},
    { ff_timeline_le16,                        sizeof(ff_timeline_le16),                        NULL},
    { table_0_header_legacy_attrib,            sizeof(table_0_header_legacy_attrib),            write_table0_header_legacy_attrib},
    { ff_table_0_entries_legacy_attrib_le16,   sizeof(ff_table_0_entries_legacy_attrib_le16),   NULL},
    { table_0_redirector_legacy_attrib,        sizeof(table_0_redirector_legacy_attrib),        NULL},
    { table_0_header_time,                     sizeof(table_0_header_time),                     write_table0_header_time},
    { ff_table_0_entries_time_le16,            sizeof(ff_table_0_entries_time_le16),            NULL},
}

Definition at line 470 of file wtvenc.c.


Data Structures
struct	WtvFile
struct	WtvChunkEntry
struct	WtvContext
struct	WTVRootEntryTable
Defines
#define	WTV_BIGSECTOR_SIZE (1 << WTV_BIGSECTOR_BITS)
#define	INDEX_BASE 0x2
#define	MAX_NB_INDEX 10
#define	_ , 0,
Typedefs
typedef int	WTVHeaderWriteFunc (AVIOContext *pb)
Enumerations
enum	WtvFileIndex { WTV_TIMELINE_TABLE_0_HEADER_EVENTS = 0, WTV_TIMELINE_TABLE_0_ENTRIES_EVENTS, WTV_TIMELINE, WTV_TABLE_0_HEADER_LEGACY_ATTRIB, WTV_TABLE_0_ENTRIES_LEGACY_ATTRIB, WTV_TABLE_0_REDIRECTOR_LEGACY_ATTRIB, WTV_TABLE_0_HEADER_TIME, WTV_TABLE_0_ENTRIES_TIME, WTV_FILES }
Functions
static int	write_pad (AVIOContext *pb, int size)
static const ff_asf_guid *	get_codec_guid (enum CodecID id, const AVCodecGuid *av_guid)
static void	write_chunk_header (AVFormatContext s, const ff_asf_guid guid, int length, int stream_id)
	Write chunk header.
static void	write_chunk_header2 (AVFormatContext s, const ff_asf_guid guid, int stream_id)
static void	finish_chunk_noindex (AVFormatContext *s)
static void	write_index (AVFormatContext *s)
static void	finish_chunk (AVFormatContext *s)
static int	write_stream_codec_info (AVFormatContext s, AVStream st)
static int	write_stream_codec (AVFormatContext s, AVStream st)
static void	write_sync (AVFormatContext *s)
static void	write_DSATTRIB_TRANSPORT_PROPERTIES_init (AVFormatContext *s, int stream_index)
static int	write_stream_data (AVFormatContext s, AVStream st, int flag)
static int	write_header (AVFormatContext *s)
static void	write_timestamp (AVFormatContext s, AVPacket pkt)
static int	write_packet (AVFormatContext s, AVPacket pkt)
static int	write_table0_header_envents (AVIOContext *pb)
static int	write_table0_header_legacy_attrib (AVIOContext *pb)
static int	write_table0_header_time (AVIOContext *pb)
static int	write_root_table (AVFormatContext *s, int64_t sector_pos)
static void	write_fat (AVIOContext *pb, int start_sector, int nb_sectors, int shift)
static int	write_fat_sector (AVFormatContext *s, int64_t start_pos, int nb_sectors, int sector_bits, int depth)
static void	write_table_entries_events (AVFormatContext *s)
static void	write_tag (AVIOContext pb, const char key, const char *value)
static void	write_table_entries_attrib (AVFormatContext *s)
static void	write_table_redirector_legacy_attrib (AVFormatContext *s)
static int	finish_file (AVFormatContext *s, enum WtvFileIndex index, int64_t start_pos)
	Pad the remainder of a file Write out fat table.
static int	write_trailer (AVFormatContext *s)
Variables
static const uint8_t	timeline_table_0_header_events []
static const uint8_t	table_0_header_legacy_attrib []
static const uint8_t	table_0_redirector_legacy_attrib []
static const uint8_t	table_0_header_time []
static const uint8_t	legacy_attrib []
static const ff_asf_guid	sub_wtv_guid
static const ff_asf_guid	stream1_guid
static const ff_asf_guid	sync_guid
static const ff_asf_guid	index_guid
static const WTVRootEntryTable	wtv_root_entry_table []
AVOutputFormat	ff_wtv_muxer

libavformat/wtvenc.c File Reference

Data Structures

Defines

Typedefs

Enumerations

Functions

Variables

Detailed Description

Define Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation