#include "libavutil/avassert.h"
#include "libavutil/dict.h"
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"
#include "riff.h"
#include "asf.h"
#include <assert.h>

Include dependency graph for asfenc.c:

Data Structures
struct	ASFContext

Macros
#define	ASF_INDEXED_INTERVAL 10000000

#define	ASF_INDEX_BLOCK (1<<9)

#define	ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2

#define	ASF_PACKET_ERROR_CORRECTION_FLAGS

#define	ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1

#define	ASF_PPI_PROPERTY_FLAGS

#define	ASF_PPI_LENGTH_TYPE_FLAGS 0

#define	ASF_PAYLOAD_FLAGS ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD

#define	ASF_PPI_SEQUENCE_FIELD_SIZE 0

#define	ASF_PPI_PACKET_LENGTH_FIELD_SIZE 0

#define	ASF_PPI_PADDING_LENGTH_FIELD_SIZE 0

#define	ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 1

#define	ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 4

#define	ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 1

#define	ASF_PAYLOAD_LENGTH_FIELD_SIZE 2

#define	PACKET_HEADER_MIN_SIZE

#define	ASF_PAYLOAD_REPLICATED_DATA_LENGTH 0x08

#define	PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD

#define	PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS

#define	SINGLE_PAYLOAD_DATA_LENGTH

#define	MULTI_PAYLOAD_CONSTANT

#define	PREROLL_TIME 3100

Functions
void	ff_put_guid (AVIOContext s, const ff_asf_guid g)

static void	put_str16 (AVIOContext s, const char tag)

static int64_t	put_header (AVIOContext pb, const ff_asf_guid g)

static void	end_header (AVIOContext *pb, int64_t pos)

static void	put_chunk (AVFormatContext *s, int type, int payload_length, int flags)

static int64_t	unix_to_file_time (int ti)

static int	asf_write_header1 (AVFormatContext *s, int64_t file_size, int64_t data_chunk_size)

static int	asf_write_header (AVFormatContext *s)

static int	asf_write_stream_header (AVFormatContext *s)

static int	put_payload_parsing_info (AVFormatContext *s, unsigned sendtime, unsigned duration, int nb_payloads, int padsize)

static void	flush_packet (AVFormatContext *s)

static void	put_payload_header (AVFormatContext s, ASFStream stream, int64_t presentation_time, int m_obj_size, int m_obj_offset, int payload_len, int flags)

static void	put_frame (AVFormatContext s, ASFStream stream, AVStream avst, int64_t timestamp, const uint8_t buf, int m_obj_size, int flags)

static void	update_index (AVFormatContext *s, int start_sec, uint32_t packet_number, uint16_t packet_count)

static int	asf_write_packet (AVFormatContext s, AVPacket pkt)

static int	asf_write_index (AVFormatContext s, ASFIndex index, uint16_t max, uint32_t count)

static int	asf_write_trailer (AVFormatContext *s)

Variables
static const AVCodecTag	codec_asf_bmp_tags []

Macro Definition Documentation

#define ASF_INDEX_BLOCK (1<<9)

Definition at line 35 of file asfenc.c.

Referenced by asf_write_header(), and update_index().

#define ASF_INDEXED_INTERVAL 10000000

Definition at line 34 of file asfenc.c.

Referenced by asf_write_index(), and asf_write_packet().

#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2

Definition at line 37 of file asfenc.c.

Referenced by put_payload_parsing_info().

#define ASF_PACKET_ERROR_CORRECTION_FLAGS

Value:

(ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \

ASF_PACKET_ERROR_CORRECTION_DATA_SIZE)

ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT

#define ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT

Definition: asf.h:123

ASF_PACKET_ERROR_CORRECTION_DATA_SIZE

#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE

Definition: asfenc.c:37

Definition at line 38 of file asfenc.c.

Referenced by put_payload_parsing_info().

#define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1

Definition at line 43 of file asfenc.c.

#define ASF_PAYLOAD_FLAGS ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD

Definition at line 56 of file asfenc.c.

Referenced by put_payload_parsing_info().

#define ASF_PAYLOAD_LENGTH_FIELD_SIZE 2

Definition at line 140 of file asfenc.c.

#define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 1

Definition at line 124 of file asfenc.c.

#define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 4

Definition at line 117 of file asfenc.c.

#define ASF_PAYLOAD_REPLICATED_DATA_LENGTH 0x08

Definition at line 158 of file asfenc.c.

Referenced by put_payload_header().

#define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 1

Definition at line 98 of file asfenc.c.

#define ASF_PPI_LENGTH_TYPE_FLAGS 0

Definition at line 54 of file asfenc.c.

Referenced by put_payload_parsing_info().

#define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 0

Definition at line 81 of file asfenc.c.

#define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 0

Definition at line 94 of file asfenc.c.

#define ASF_PPI_PROPERTY_FLAGS

Value:

(ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE           |    \
     ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD |    \
     ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE       |    \
     ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE)

Definition at line 48 of file asfenc.c.

Referenced by put_payload_parsing_info().

#define ASF_PPI_SEQUENCE_FIELD_SIZE 0

Definition at line 68 of file asfenc.c.

#define MULTI_PAYLOAD_CONSTANT

Value:

(PACKET_SIZE -                                        \
     PACKET_HEADER_MIN_SIZE -                             \
     1 -         /* Payload Flags */                      \
     2 * PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS)

Definition at line 180 of file asfenc.c.

Referenced by put_frame().

#define PACKET_HEADER_MIN_SIZE

Value:

(ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE +       \
     ASF_PACKET_ERROR_CORRECTION_DATA_SIZE +              \
     1 +        /* Length Type Flags */                   \
     1 +        /* Property Flags */                      \
     ASF_PPI_PACKET_LENGTH_FIELD_SIZE +                   \
     ASF_PPI_SEQUENCE_FIELD_SIZE +                        \
     ASF_PPI_PADDING_LENGTH_FIELD_SIZE +                  \
     4 +        /* Send Time Field */                     \
     2)         /* Duration Field */

Definition at line 146 of file asfenc.c.

Referenced by put_frame(), and put_payload_parsing_info().

#define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS

Value:

(1 +        /* Stream Number */                       \
     ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE +         \
     ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE +    \
     ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE +      \
     ASF_PAYLOAD_REPLICATED_DATA_LENGTH +                 \
     ASF_PAYLOAD_LENGTH_FIELD_SIZE)

Definition at line 167 of file asfenc.c.

Referenced by put_frame().

#define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD

Value:

(1 +     /* Stream Number */                          \
     ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE +         \
     ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE +    \
     ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE +      \
     ASF_PAYLOAD_REPLICATED_DATA_LENGTH)

Definition at line 160 of file asfenc.c.

Referenced by put_frame().

#define PREROLL_TIME 3100

Definition at line 220 of file asfenc.c.

Referenced by asf_write_header1(), asf_write_packet(), and put_frame().

#define SINGLE_PAYLOAD_DATA_LENGTH

Value:

(PACKET_SIZE -                                        \
     PACKET_HEADER_MIN_SIZE -                             \
     PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD)

Definition at line 175 of file asfenc.c.

Referenced by put_frame().

Function Documentation

static int asf_write_header ( AVFormatContext * s )

static

Definition at line 548 of file asfenc.c.

Referenced by asf_write_stream_header(), and asf_write_trailer().

static int asf_write_header1	(	AVFormatContext *	s,
		int64_t	file_size,
		int64_t	data_chunk_size
	)

static

Definition at line 292 of file asfenc.c.

Referenced by asf_write_header(), and asf_write_trailer().

static int asf_write_index	(	AVFormatContext *	s,
		ASFIndex *	index,
		uint16_t	max,
		uint32_t	count
	)

static

Definition at line 829 of file asfenc.c.

Referenced by asf_write_trailer().

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

static

Definition at line 791 of file asfenc.c.

Referenced by asf_write_trailer().

static int asf_write_stream_header ( AVFormatContext * s )

static

Definition at line 581 of file asfenc.c.

Referenced by asf_write_trailer().

static int asf_write_trailer ( AVFormatContext * s )

static

Definition at line 849 of file asfenc.c.

static void end_header	(	AVIOContext *	pb,
		int64_t	pos
	)

static

Definition at line 254 of file asfenc.c.

Referenced by asf_write_header1().

void ff_put_guid	(	AVIOContext *	s,
		const ff_asf_guid *	g
	)

Definition at line 222 of file asfenc.c.

Referenced by asf_write_header1(), asf_write_index(), put_header(), write_chunk_header(), write_header(), write_index(), write_metadata_header(), write_root_table(), and write_stream_codec_info().

static void flush_packet ( AVFormatContext * s )

static

Definition at line 638 of file asfenc.c.

Referenced by asf_write_trailer(), and put_frame().

static void put_chunk	(	AVFormatContext *	s,
		int	type,
		int	payload_length,
		int	flags
	)

static

Definition at line 265 of file asfenc.c.

Referenced by asf_write_header1(), asf_write_trailer(), and flush_packet().

static void put_frame	(	AVFormatContext *	s,
		ASFStream *	stream,
		AVStream *	avst,
		int64_t	timestamp,
		const uint8_t *	buf,
		int	m_obj_size,
		int	flags
	)

static

Definition at line 700 of file asfenc.c.

Referenced by asf_write_packet().

static int64_t put_header	(	AVIOContext *	pb,
		const ff_asf_guid *	g
	)

static

Definition at line 243 of file asfenc.c.

Referenced by asf_write_header1().

static void put_payload_header	(	AVFormatContext *	s,
		ASFStream *	stream,
		int64_t	presentation_time,
		int	m_obj_size,
		int	m_obj_offset,
		int	payload_len,
		int	flags
	)

static

Definition at line 669 of file asfenc.c.

Referenced by put_frame().

static int put_payload_parsing_info	(	AVFormatContext *	s,
		unsigned	sendtime,
		unsigned	duration,
		int	nb_payloads,
		int	padsize
	)

static

Definition at line 590 of file asfenc.c.

Referenced by flush_packet().

static void put_str16	(	AVIOContext *	s,
		const char *	tag
	)

static

Definition at line 228 of file asfenc.c.

Referenced by asf_write_header1().

static int64_t unix_to_file_time ( int ti )

static

Definition at line 282 of file asfenc.c.

Referenced by asf_write_header1().

static void update_index	(	AVFormatContext *	s,
		int	start_sec,
		uint32_t	packet_number,
		uint16_t	packet_count
	)

static

Definition at line 763 of file asfenc.c.

Referenced by asf_write_packet(), and asf_write_trailer().

Variable Documentation

const AVCodecTag codec_asf_bmp_tags[]

static

Initial value:

= {
    { AV_CODEC_ID_MPEG4,     MKTAG('M', '4', 'S', '2') },
    { AV_CODEC_ID_MPEG4,     MKTAG('M', 'P', '4', 'S') },
    { AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
    { AV_CODEC_ID_NONE,      0 },
}

Definition at line 213 of file asfenc.c.

Referenced by asf_write_trailer().

Paris Hackday Code

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation