#include <inttypes.h>
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bswap.h"
#include "libavutil/common.h"
#include "libavutil/dict.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "avio_internal.h"
#include "avlanguage.h"
#include "demux.h"
#include "internal.h"
#include "riff.h"
#include "asf.h"
#include "asfcrypt.h"
#include <assert.h>

Data Structures
struct	ASFPayload

struct	ASFStream

struct	ASFContext

Macros
#define	ASF_MAX_STREAMS 127

#define	FRAME_HEADER_SIZE 6

#define	print_guid(g) while(0)

#define	LEN 22

#define	DO_2BITS(bits, var, defval)

Functions
static int	asf_probe (const AVProbeData *pd)

static int	get_value (AVIOContext *pb, int type, int type2_size)

static void	get_tag (AVFormatContext s, const char key, int type, int len, int type2_size)

static int	asf_read_file_properties (AVFormatContext *s)

static int	asf_read_stream_properties (AVFormatContext *s, int64_t size)

static int	asf_read_ext_stream_properties (AVFormatContext *s)

static int	asf_read_content_desc (AVFormatContext *s)

static int	asf_read_ext_content_desc (AVFormatContext *s)

static int	asf_read_language_list (AVFormatContext *s)

static int	asf_read_metadata (AVFormatContext *s)

static int	asf_read_marker (AVFormatContext *s)

static int	asf_read_header (AVFormatContext *s)

static int	asf_get_packet (AVFormatContext s, AVIOContext pb)
	Load a single ASF packet into the demuxer. More...

static int	asf_read_frame_header (AVFormatContext s, AVIOContext pb)

static int	asf_parse_packet (AVFormatContext s, AVIOContext pb, AVPacket *pkt)
	Parse data from individual ASF packets (which were previously loaded with asf_get_packet()). More...

static int	asf_read_packet (AVFormatContext s, AVPacket pkt)

static void	asf_reset_header (AVFormatContext *s)

static void	skip_to_key (AVFormatContext *s)

static int	asf_read_close (AVFormatContext *s)

static int64_t	asf_read_pts (AVFormatContext s, int stream_index, int64_t ppos, int64_t pos_limit)

static int	asf_build_simple_index (AVFormatContext *s, int stream_index)

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

Variables
static const AVOption	options []

static const AVClass	asf_class

const FFInputFormat	ff_asf_demuxer

Macro Definition Documentation

◆ ASF_MAX_STREAMS

#define ASF_MAX_STREAMS 127

Definition at line 137 of file asfdec_f.c.

◆ FRAME_HEADER_SIZE

#define FRAME_HEADER_SIZE 6

Definition at line 138 of file asfdec_f.c.

◆ print_guid

#define print_guid ( g ) while(0)

Definition at line 193 of file asfdec_f.c.

◆ LEN

#define LEN 22

◆ DO_2BITS

#define DO_2BITS	(	bits,
		var,
		defval
	)

Value:

    switch (bits & 3) {                         \
    case 3:                                     \
        var = avio_rl32(pb);                    \
        rsize += 4;                             \
        break;                                  \
    case 2:                                     \
        var = avio_rl16(pb);                    \
        rsize += 2;                             \
        break;                                  \
    case 1:                                     \
        var = avio_r8(pb);                      \
        rsize++;                                \
        break;                                  \
    default:                                    \
        var = defval;                           \
        break;                                  \
    }

Definition at line 857 of file asfdec_f.c.

Function Documentation

◆ asf_probe()

static int asf_probe ( const AVProbeData * pd )

static

Definition at line 196 of file asfdec_f.c.

◆ get_value()

static int get_value	(	AVIOContext *	pb,
		int	type,
		int	type2_size
	)

static

Definition at line 207 of file asfdec_f.c.

Referenced by asf_read_ext_content_desc(), asf_read_metadata(), and get_tag().

◆ get_tag()

static void get_tag	(	AVFormatContext *	s,
		const char *	key,
		int	type,
		int	len,
		int	type2_size
	)

static

Definition at line 223 of file asfdec_f.c.

Referenced by asf_read_content_desc(), asf_read_ext_content_desc(), asf_read_header(), and asf_read_metadata().

◆ asf_read_file_properties()

static int asf_read_file_properties ( AVFormatContext * s )

static

Definition at line 275 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_stream_properties()

static int asf_read_stream_properties	(	AVFormatContext *	s,
		int64_t	size
	)

static

Definition at line 299 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_ext_stream_properties()

static int asf_read_ext_stream_properties ( AVFormatContext * s )

static

Definition at line 474 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_content_desc()

static int asf_read_content_desc ( AVFormatContext * s )

static

Definition at line 534 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_ext_content_desc()

static int asf_read_ext_content_desc ( AVFormatContext * s )

static

Definition at line 553 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_language_list()

static int asf_read_language_list ( AVFormatContext * s )

static

Definition at line 587 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_metadata()

static int asf_read_metadata ( AVFormatContext * s )

static

Definition at line 607 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_marker()

static int asf_read_marker ( AVFormatContext * s )

static

Definition at line 655 of file asfdec_f.c.

Referenced by asf_read_header().

◆ asf_read_header()

static int asf_read_header ( AVFormatContext * s )

static

Definition at line 695 of file asfdec_f.c.

◆ asf_get_packet()

static int asf_get_packet	(	AVFormatContext *	s,
		AVIOContext *	pb
	)

static

Load a single ASF packet into the demuxer.

Parameters

s	demux context
pb	context to read data from

Returns: 0 on success, <0 on error

Definition at line 882 of file asfdec_f.c.

Referenced by asf_read_packet().

◆ asf_read_frame_header()

static int asf_read_frame_header	(	AVFormatContext *	s,
		AVIOContext *	pb
	)

static

Returns: <0 if error

Definition at line 1004 of file asfdec_f.c.

Referenced by asf_parse_packet().

◆ asf_parse_packet()

static int asf_parse_packet	(	AVFormatContext *	s,
		AVIOContext *	pb,
		AVPacket *	pkt
	)

static

Parse data from individual ASF packets (which were previously loaded with asf_get_packet()).

Parameters

s	demux context
pb	context to read data from
pkt	pointer to store packet data into

Returns: 0 if data was stored in pkt, <0 on error or 1 if more ASF packets need to be loaded (through asf_get_packet())

Definition at line 1133 of file asfdec_f.c.

Referenced by asf_read_packet().

◆ asf_read_packet()

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

static

Definition at line 1364 of file asfdec_f.c.

◆ asf_reset_header()

static void asf_reset_header ( AVFormatContext * s )

static

Definition at line 1384 of file asfdec_f.c.

Referenced by asf_read_close(), asf_read_pts(), and asf_read_seek().

◆ skip_to_key()

static void skip_to_key ( AVFormatContext * s )

static

Definition at line 1417 of file asfdec_f.c.

Referenced by asf_read_seek().

◆ asf_read_close()

static int asf_read_close ( AVFormatContext * s )

static

Definition at line 1432 of file asfdec_f.c.

◆ asf_read_pts()

static int64_t asf_read_pts	(	AVFormatContext *	s,
		int	stream_index,
		int64_t *	ppos,
		int64_t	pos_limit
	)

static

Definition at line 1439 of file asfdec_f.c.

◆ asf_build_simple_index()

static int asf_build_simple_index	(	AVFormatContext *	s,
		int	stream_index
	)

static

Definition at line 1497 of file asfdec_f.c.

Referenced by asf_read_seek().

◆ asf_read_seek()

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

static

Definition at line 1565 of file asfdec_f.c.

Variable Documentation

◆ options

const AVOption options[]

static

Initial value:

= {
    { "no_resync_search", "Don't try to resynchronize by looking for a certain optional start code", 0x42, AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
    { "export_xmp", "Export full XMP metadata", 0x42, AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
    { NULL },
}

Definition at line 121 of file asfdec_f.c.

◆ asf_class

const AVClass asf_class

static

Initial value:

= {
    .class_name = "asf demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 127 of file asfdec_f.c.

◆ ff_asf_demuxer

const FFInputFormat ff_asf_demuxer

Initial value:

= {
    .p.name         = "asf",
    .p.long_name    = NULL_IF_CONFIG_SMALL("ASF (Advanced / Active Streaming Format)"),
    .p.flags        = AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH,
    .p.priv_class   = &asf_class,
    .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_seek      = asf_read_seek,
    .read_timestamp = asf_read_pts,
}

Definition at line 1621 of file asfdec_f.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ ASF_MAX_STREAMS

◆ FRAME_HEADER_SIZE

◆ print_guid

◆ LEN

◆ DO_2BITS

Function Documentation

◆ asf_probe()

◆ get_value()

◆ get_tag()

◆ asf_read_file_properties()

◆ asf_read_stream_properties()

◆ asf_read_ext_stream_properties()

◆ asf_read_content_desc()

◆ asf_read_ext_content_desc()

◆ asf_read_language_list()

◆ asf_read_metadata()

◆ asf_read_marker()

◆ asf_read_header()

◆ asf_get_packet()

◆ asf_read_frame_header()

◆ asf_parse_packet()

◆ asf_read_packet()

◆ asf_reset_header()

◆ skip_to_key()

◆ asf_read_close()

◆ asf_read_pts()

◆ asf_build_simple_index()

◆ asf_read_seek()

Variable Documentation

◆ options

◆ asf_class

◆ ff_asf_demuxer