#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/dict.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "avformat.h"
#include "avlanguage.h"
#include "demux.h"
#include "internal.h"
#include "riff.h"
#include "asf.h"
#include "asfcrypt.h"

Data Structures
struct	GUIDParseTable

struct	ASFPacket

struct	ASFStream

struct	ASFStreamData

struct	ASFContext

Macros
#define	ASF_FLAG_BROADCAST 0x1

#define	ASF_TYPE_AUDIO 0x2

#define	ASF_TYPE_VIDEO 0x1

#define	ASF_STREAM_NUM 0x7F

#define	ASF_MAX_STREAMS 128

#define	BMP_HEADER_SIZE 40

#define	ASF_NUM_OF_PAYLOADS 0x3F

#define	ASF_ERROR_CORRECTION_LENGTH_TYPE 0x60

#define	ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2

#define	READ_LEN(flag, name, len)

Functions
static int	detect_unknown_subobject (AVFormatContext *s, int64_t offset, int64_t size)

static const GUIDParseTable *	find_guid (ff_asf_guid guid)

static int	asf_probe (const AVProbeData *pd)

static void	swap_guid (ff_asf_guid guid)

static void	align_position (AVIOContext *pb, int64_t offset, uint64_t size)

static int	asf_read_unknown (AVFormatContext s, const GUIDParseTable g)

static int	get_asf_string (AVIOContext pb, int maxlen, char buf, int buflen)

static int	asf_read_marker (AVFormatContext s, const GUIDParseTable g)

static int	asf_read_metadata (AVFormatContext s, const char title, uint16_t len, unsigned char *ch, uint16_t buflen)

static int	asf_read_value (AVFormatContext s, const uint8_t name, uint16_t val_len, int type, AVDictionary **met)

static int	asf_read_generic_value (AVIOContext pb, int type, uint64_t value)

static int	asf_set_metadata (AVFormatContext s, const uint8_t name, int type, AVDictionary **met)

static int	process_metadata (AVFormatContext s, const uint8_t name, uint16_t name_len, uint16_t val_len, uint16_t type, AVDictionary **met)

static int	asf_read_ext_content (AVFormatContext s, const GUIDParseTable g)

static AVStream *	find_stream (AVFormatContext *s, uint16_t st_num)

static int	asf_store_aspect_ratio (AVFormatContext s, uint8_t st_num, uint8_t name, int type)

static int	asf_read_metadata_obj (AVFormatContext s, const GUIDParseTable g)

static int	asf_read_content_desc (AVFormatContext s, const GUIDParseTable g)

static int	asf_read_properties (AVFormatContext s, const GUIDParseTable g)

static int	parse_video_info (AVFormatContext avfmt, AVIOContext pb, AVStream *st)

static int	asf_read_stream_properties (AVFormatContext s, const GUIDParseTable g)

static void	set_language (AVFormatContext s, const char rfc1766, AVDictionary **met)

static int	asf_read_ext_stream_properties (AVFormatContext s, const GUIDParseTable g)

static int	asf_read_language_list (AVFormatContext s, const GUIDParseTable g)

static int	asf_read_data (AVFormatContext s, const GUIDParseTable g)

static int	asf_read_simple_index (AVFormatContext s, const GUIDParseTable g)

static int	asf_read_subpayload (AVFormatContext s, AVPacket pkt, int is_header)

static void	reset_packet (ASFPacket *asf_pkt)

static int	asf_read_replicated_data (AVFormatContext s, ASFPacket asf_pkt)

static int	asf_read_multiple_payload (AVFormatContext s, AVPacket pkt, ASFPacket *asf_pkt)

static int	asf_read_single_payload (AVFormatContext s, ASFPacket asf_pkt)

static int	asf_read_payload (AVFormatContext s, AVPacket pkt)

static int	asf_read_packet_header (AVFormatContext *s)

static int	asf_deinterleave (AVFormatContext s, ASFPacket asf_pkt, int st_num)

static int	asf_read_packet (AVFormatContext s, AVPacket pkt)

static int	asf_read_close (AVFormatContext *s)

static void	reset_packet_state (AVFormatContext *s)

static int64_t	asf_read_timestamp (AVFormatContext s, int stream_index, int64_t pos, int64_t pos_limit)

static int	asf_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)

static int	asf_read_header (AVFormatContext *s)

Variables
static const GUIDParseTable	gdef []

const FFInputFormat	ff_asf_o_demuxer

Macro Definition Documentation

◆ ASF_FLAG_BROADCAST

#define ASF_FLAG_BROADCAST 0x1

Definition at line 37 of file asfdec_o.c.

◆ ASF_TYPE_AUDIO

#define ASF_TYPE_AUDIO 0x2

Definition at line 38 of file asfdec_o.c.

◆ ASF_TYPE_VIDEO

#define ASF_TYPE_VIDEO 0x1

Definition at line 39 of file asfdec_o.c.

◆ ASF_STREAM_NUM

#define ASF_STREAM_NUM 0x7F

Definition at line 40 of file asfdec_o.c.

◆ ASF_MAX_STREAMS

#define ASF_MAX_STREAMS 128

Definition at line 41 of file asfdec_o.c.

◆ BMP_HEADER_SIZE

#define BMP_HEADER_SIZE 40

Definition at line 42 of file asfdec_o.c.

◆ ASF_NUM_OF_PAYLOADS

#define ASF_NUM_OF_PAYLOADS 0x3F

Definition at line 43 of file asfdec_o.c.

◆ ASF_ERROR_CORRECTION_LENGTH_TYPE

#define ASF_ERROR_CORRECTION_LENGTH_TYPE 0x60

Definition at line 44 of file asfdec_o.c.

◆ ASF_PACKET_ERROR_CORRECTION_DATA_SIZE

#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2

Definition at line 45 of file asfdec_o.c.

◆ READ_LEN

#define READ_LEN	(	flag,
		name,
		len
	)

Value:

    do {                                     \
        if ((flag) == name ## IS_BYTE)       \
            len = avio_r8(pb);               \
        else if ((flag) == name ## IS_WORD)  \
            len = avio_rl16(pb);             \
        else if ((flag) == name ## IS_DWORD) \
            len = avio_rl32(pb);             \
        else                                 \
            len = 0;                         \
    } while(0)

Definition at line 936 of file asfdec_o.c.

Function Documentation

◆ detect_unknown_subobject()

static int detect_unknown_subobject	(	AVFormatContext *	s,
		int64_t	offset,
		int64_t	size
	)

static

Definition at line 1539 of file asfdec_o.c.

Referenced by asf_read_unknown().

◆ find_guid()

static const GUIDParseTable * find_guid ( ff_asf_guid guid )

static

Definition at line 1523 of file asfdec_o.c.

Referenced by asf_read_ext_stream_properties(), asf_read_header(), and detect_unknown_subobject().

◆ asf_probe()

static int asf_probe ( const AVProbeData * pd )

static

Definition at line 140 of file asfdec_o.c.

◆ swap_guid()

static void swap_guid ( ff_asf_guid guid )

static

Definition at line 149 of file asfdec_o.c.

Referenced by find_guid().

◆ align_position()

static void align_position	(	AVIOContext *	pb,
		int64_t	offset,
		uint64_t	size
	)

static

Definition at line 157 of file asfdec_o.c.

Referenced by asf_read_content_desc(), asf_read_data(), asf_read_ext_content(), asf_read_ext_stream_properties(), asf_read_header(), asf_read_language_list(), asf_read_marker(), asf_read_metadata_obj(), asf_read_simple_index(), and asf_read_stream_properties().

◆ asf_read_unknown()

static int asf_read_unknown	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 163 of file asfdec_o.c.

Referenced by detect_unknown_subobject().

◆ get_asf_string()

static int get_asf_string	(	AVIOContext *	pb,
		int	maxlen,
		char *	buf,
		int	buflen
	)

static

Definition at line 196 of file asfdec_o.c.

Referenced by asf_read_language_list(), and asf_read_value().

◆ asf_read_marker()

static int asf_read_marker	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 213 of file asfdec_o.c.

◆ asf_read_metadata()

static int asf_read_metadata	(	AVFormatContext *	s,
		const char *	title,
		uint16_t	len,
		unsigned char *	ch,
		uint16_t	buflen
	)

static

Definition at line 255 of file asfdec_o.c.

Referenced by asf_read_content_desc().

◆ asf_read_value()

static int asf_read_value	(	AVFormatContext *	s,
		const uint8_t *	name,
		uint16_t	val_len,
		int	type,
		AVDictionary **	met
	)

static

Definition at line 269 of file asfdec_o.c.

Referenced by process_metadata().

◆ asf_read_generic_value()

static int asf_read_generic_value	(	AVIOContext *	pb,
		int	type,
		uint64_t *	value
	)

static

Definition at line 310 of file asfdec_o.c.

Referenced by asf_set_metadata(), and asf_store_aspect_ratio().

◆ asf_set_metadata()

static int asf_set_metadata	(	AVFormatContext *	s,
		const uint8_t *	name,
		int	type,
		AVDictionary **	met
	)

static

Definition at line 333 of file asfdec_o.c.

Referenced by process_metadata().

◆ process_metadata()

static int process_metadata	(	AVFormatContext *	s,
		const uint8_t *	name,
		uint16_t	name_len,
		uint16_t	val_len,
		uint16_t	type,
		AVDictionary **	met
	)

static

Definition at line 352 of file asfdec_o.c.

Referenced by asf_read_ext_content(), and asf_read_metadata_obj().

◆ asf_read_ext_content()

static int asf_read_ext_content	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 380 of file asfdec_o.c.

◆ find_stream()

static AVStream* find_stream	(	AVFormatContext *	s,
		uint16_t	st_num
	)

static

Definition at line 417 of file asfdec_o.c.

Referenced by asf_read_header().

◆ asf_store_aspect_ratio()

static int asf_store_aspect_ratio	(	AVFormatContext *	s,
		uint8_t	st_num,
		uint8_t *	name,
		int	type
	)

static

Definition at line 433 of file asfdec_o.c.

Referenced by asf_read_metadata_obj().

◆ asf_read_metadata_obj()

static int asf_read_metadata_obj	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 453 of file asfdec_o.c.

◆ asf_read_content_desc()

static int asf_read_content_desc	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 501 of file asfdec_o.c.

◆ asf_read_properties()

static int asf_read_properties	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 530 of file asfdec_o.c.

◆ parse_video_info()

static int parse_video_info	(	AVFormatContext *	avfmt,
		AVIOContext *	pb,
		AVStream *	st
	)

static

Definition at line 557 of file asfdec_o.c.

Referenced by asf_read_stream_properties().

◆ asf_read_stream_properties()

static int asf_read_stream_properties	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 581 of file asfdec_o.c.

◆ set_language()

static void set_language	(	AVFormatContext *	s,
		const char *	rfc1766,
		AVDictionary **	met
	)

static

Definition at line 687 of file asfdec_o.c.

Referenced by asf_read_header().

◆ asf_read_ext_stream_properties()

static int asf_read_ext_stream_properties	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 700 of file asfdec_o.c.

◆ asf_read_language_list()

static int asf_read_language_list	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 770 of file asfdec_o.c.

◆ asf_read_data()

static int asf_read_data	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 796 of file asfdec_o.c.

◆ asf_read_simple_index()

static int asf_read_simple_index	(	AVFormatContext *	s,
		const GUIDParseTable *	g
	)

static

Definition at line 832 of file asfdec_o.c.

◆ asf_read_subpayload()

static int asf_read_subpayload	(	AVFormatContext *	s,
		AVPacket *	pkt,
		int	is_header
	)

static

Definition at line 948 of file asfdec_o.c.

Referenced by asf_read_multiple_payload(), and asf_read_payload().

◆ reset_packet()

static void reset_packet ( ASFPacket * asf_pkt )

static

Definition at line 1003 of file asfdec_o.c.

Referenced by asf_read_payload(), and reset_packet_state().

◆ asf_read_replicated_data()

static int asf_read_replicated_data	(	AVFormatContext *	s,
		ASFPacket *	asf_pkt
	)

static

Definition at line 1013 of file asfdec_o.c.

Referenced by asf_read_multiple_payload().

◆ asf_read_multiple_payload()

static int asf_read_multiple_payload	(	AVFormatContext *	s,
		AVPacket *	pkt,
		ASFPacket *	asf_pkt
	)

static

Definition at line 1035 of file asfdec_o.c.

Referenced by asf_read_payload().

◆ asf_read_single_payload()

static int asf_read_single_payload	(	AVFormatContext *	s,
		ASFPacket *	asf_pkt
	)

static

Definition at line 1086 of file asfdec_o.c.

Referenced by asf_read_payload().

◆ asf_read_payload()

static int asf_read_payload	(	AVFormatContext *	s,
		AVPacket *	pkt
	)

static

Definition at line 1138 of file asfdec_o.c.

Referenced by asf_read_packet().

◆ asf_read_packet_header()

static int asf_read_packet_header ( AVFormatContext * s )

static

Definition at line 1218 of file asfdec_o.c.

Referenced by asf_read_packet().

◆ asf_deinterleave()

static int asf_deinterleave	(	AVFormatContext *	s,
		ASFPacket *	asf_pkt,
		int	st_num
	)

static

Definition at line 1255 of file asfdec_o.c.

Referenced by asf_read_packet().

◆ asf_read_packet()

static int asf_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)

static

Definition at line 1301 of file asfdec_o.c.

Referenced by asf_read_timestamp().

◆ asf_read_close()

static int asf_read_close ( AVFormatContext * s )

static

Definition at line 1385 of file asfdec_o.c.

Referenced by asf_read_header().

◆ reset_packet_state()

static void reset_packet_state ( AVFormatContext * s )

static

Definition at line 1402 of file asfdec_o.c.

Referenced by asf_read_seek(), and asf_read_timestamp().

◆ asf_read_timestamp()

static int64_t asf_read_timestamp	(	AVFormatContext *	s,
		int	stream_index,
		int64_t *	pos,
		int64_t	pos_limit
	)

static

Definition at line 1438 of file asfdec_o.c.

◆ asf_read_seek()

static int asf_read_seek	(	AVFormatContext *	s,
		int	stream_index,
		int64_t	timestamp,
		int	flags
	)

static

Definition at line 1500 of file asfdec_o.c.

◆ asf_read_header()

static int asf_read_header ( AVFormatContext * s )

static

Definition at line 1572 of file asfdec_o.c.

Variable Documentation

◆ gdef

const GUIDParseTable gdef[]

static

Definition at line 886 of file asfdec_o.c.

Referenced by find_guid().

◆ ff_asf_o_demuxer

const FFInputFormat ff_asf_o_demuxer

Initial value:

= {
    .p.name         = "asf_o",
    .p.long_name    = NULL_IF_CONFIG_SMALL("ASF (Advanced / Active Streaming Format)"),
    .p.flags        = AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH,
    .priv_data_size = sizeof(ASFContext),
    .read_probe     = asf_probe,
    .read_header    = asf_read_header,
    .read_packet    = asf_read_packet,
    .read_close     = asf_read_close,
    .read_timestamp = asf_read_timestamp,
    .read_seek      = asf_read_seek,
}

Definition at line 1655 of file asfdec_o.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ ASF_FLAG_BROADCAST

◆ ASF_TYPE_AUDIO

◆ ASF_TYPE_VIDEO

◆ ASF_STREAM_NUM

◆ ASF_MAX_STREAMS

◆ BMP_HEADER_SIZE

◆ ASF_NUM_OF_PAYLOADS

◆ ASF_ERROR_CORRECTION_LENGTH_TYPE

◆ ASF_PACKET_ERROR_CORRECTION_DATA_SIZE

◆ READ_LEN

Function Documentation

◆ detect_unknown_subobject()

◆ find_guid()

◆ asf_probe()

◆ swap_guid()

◆ align_position()

◆ asf_read_unknown()

◆ get_asf_string()

◆ asf_read_marker()

◆ asf_read_metadata()

◆ asf_read_value()

◆ asf_read_generic_value()

◆ asf_set_metadata()

◆ process_metadata()

◆ asf_read_ext_content()

◆ find_stream()

◆ asf_store_aspect_ratio()

◆ asf_read_metadata_obj()

◆ asf_read_content_desc()

◆ asf_read_properties()

◆ parse_video_info()

◆ asf_read_stream_properties()

◆ set_language()

◆ asf_read_ext_stream_properties()

◆ asf_read_language_list()

◆ asf_read_data()

◆ asf_read_simple_index()

◆ asf_read_subpayload()

◆ reset_packet()

◆ asf_read_replicated_data()

◆ asf_read_multiple_payload()

◆ asf_read_single_payload()

◆ asf_read_payload()

◆ asf_read_packet_header()

◆ asf_deinterleave()

◆ asf_read_packet()

◆ asf_read_close()

◆ reset_packet_state()

◆ asf_read_timestamp()

◆ asf_read_seek()

◆ asf_read_header()

Variable Documentation

◆ gdef

◆ ff_asf_o_demuxer