real.c File Reference

Include dependency graph for real.c:

Defines
#define	XOR_TABLE_LEN   37
#define	BE_32(x)   GetDWBE(x)
#define	LE_32(x)   GetDWLE(x)
#define	BE_16(x)   GetWBE(x)
#define	LE_16(x)   GetWLE(x)
#define	BE_32C(x, y)   do {uint32_t in=y; *(uint32_t *)(x)=GetDWBE(&in);} while(0)
#define	LE_32C(x, y)   do {uint32_t in=y; *(uint32_t *)(x)=GetDWLE(&in);} while(0)
#define	MAX(x, y)   ((x>y) ? x : y)
#define	MAX_DESC_BUF   (20 * 1024 * 1024)
	maximum size of the rtsp description, must be < INT_MAX
Functions
static void	hash (char *field, char *param)
static void	call_hash (char *key, char *challenge, unsigned int len)
static void	calc_response (char *result, char *field)
static void	calc_response_string (char *result, char *challenge)
static void	real_calc_response_and_checksum (char *response, char *chksum, char *challenge)
static int	select_mlti_data (const char *mlti_chunk, int mlti_size, int selection, char **out)
static rmff_header_t *	real_parse_sdp (char *data, char **stream_rules, uint32_t bandwidth)
int	real_get_rdt_chunk_header (rtsp_client_t *rtsp_session, rmff_pheader_t *ph)
int	real_get_rdt_chunk (rtsp_client_t *rtsp_session, rmff_pheader_t *ph, unsigned char **buffer)
rmff_header_t *	real_setup_and_get_header (rtsp_client_t *rtsp_session, int bandwidth)
Variables
static const unsigned char	xor_table []

---

Define Documentation

#define BE_16

(

x

)

GetWBE(x)

Referenced by rmff_dump_cont(), rmff_dump_dataheader(), rmff_dump_fileheader(), rmff_dump_mdpr(), rmff_dump_prop(), and select_mlti_data().

#define BE_32

(

x

)

GetDWBE(x)

Referenced by real_get_rdt_chunk_header(), rmff_dump_cont(), rmff_dump_dataheader(), rmff_dump_fileheader(), rmff_dump_mdpr(), rmff_dump_prop(), and select_mlti_data().

#define BE_32C	(	x,
		y		)	do {uint32_t in=y; *(uint32_t *)(x)=GetDWBE(&in);} while(0)

Referenced by real_calc_response_and_checksum().

#define LE_16

(

x

)

GetWLE(x)

#define LE_32

(

x

)

GetDWLE(x)

Referenced by calc_response(), call_hash(), and hash().

#define LE_32C	(	x,
		y		)	do {uint32_t in=y; *(uint32_t *)(x)=GetDWLE(&in);} while(0)

Referenced by call_hash(), and hash().

#define MAX	(	x,
		y		)	((x>y) ? x : y)

Referenced by real_parse_sdp().

#define MAX_DESC_BUF   (20 * 1024 * 1024)

maximum size of the rtsp description, must be < INT_MAX

Referenced by real_setup_and_get_header().

#define XOR_TABLE_LEN   37

Referenced by real_calc_response_and_checksum().

---

Function Documentation

static void calc_response	(	char *	result,
		char *	field
	)			[static]

References call_hash(), i, LE_32, and lprintf().

Referenced by calc_response_string().

static void calc_response_string	(	char *	result,
		char *	challenge
	)			[static]

References a, b, calc_response(), call_hash(), and i.

Referenced by real_calc_response_and_checksum().

static void call_hash	(	char *	key,
		char *	challenge,
		unsigned int	len
	)			[static]

References a, b, c, hash(), LE_32, LE_32C, and lprintf().

Referenced by calc_response(), and calc_response_string().

static void hash	(	char *	field,
		char *	param
	)			[static]

References a, b, c, LE_32, LE_32C, and lprintf().

Referenced by call_hash().

static void real_calc_response_and_checksum	(	char *	response,
		char *	chksum,
		char *	challenge
	)			[static]

References BE_32C, calc_response_string(), i, xor_table, and XOR_TABLE_LEN.

Referenced by real_setup_and_get_header().

int real_get_rdt_chunk	(	rtsp_client_t *	rtsp_session,
		rmff_pheader_t *	ph,
		unsigned char **	buffer
	)

References rmff_pheader_t::length, rmff_dump_pheader(), and rtsp_read_data().

Referenced by BlockRead().

int real_get_rdt_chunk_header	(	rtsp_client_t *	rtsp_session,
		rmff_pheader_t *	ph
	)

References BE_32, rmff_pheader_t::flags, rmff_pheader_t::length, lprintf(), rmff_pheader_t::object_version, rmff_pheader_t::reserved, rtsp_read_data(), size, rmff_pheader_t::stream_number, and rmff_pheader_t::timestamp.

Referenced by BlockRead().

static rmff_header_t* real_parse_sdp	(	char *	data,
		char **	stream_rules,
		uint32_t	bandwidth
	)			[static]

References sdpplin_t::abstract, sdpplin_stream_t::asm_rule_book, asmrp_match(), sdpplin_t::author, sdpplin_stream_t::avg_bit_rate, sdpplin_stream_t::avg_packet_size, b, rmff_header_t::cont, sdpplin_t::copyright, rmff_header_t::data, sdpplin_stream_t::duration, rmff_header_t::fileheader, sdpplin_t::flags, i, lprintf(), MAX, sdpplin_stream_t::max_bit_rate, sdpplin_stream_t::max_packet_size, sdpplin_stream_t::mime_type, sdpplin_stream_t::mlti_data, sdpplin_stream_t::mlti_data_size, sdpplin_stream_t::preroll, rmff_header_t::prop, rmff_fix_header(), rmff_free_header(), rmff_new_cont(), rmff_new_dataheader(), rmff_new_fileheader(), rmff_new_mdpr(), rmff_new_prop(), sdpplin_free(), sdpplin_parse(), select_mlti_data(), sdpplin_stream_t::start_time, sdpplin_t::stream, sdpplin_t::stream_count, sdpplin_stream_t::stream_id, sdpplin_stream_t::stream_name, rmff_header_t::streams, and sdpplin_t::title.

Referenced by real_setup_and_get_header().

rmff_header_t* real_setup_and_get_header	(	rtsp_client_t *	rtsp_session,
		int	bandwidth
	)

References rmff_cont_t::author, rmff_header_t::cont, rmff_cont_t::copyright, description, lprintf(), MAX_DESC_BUF, rmff_prop_t::num_streams, rmff_header_t::prop, real_calc_response_and_checksum(), real_parse_sdp(), realloc_or_free(), rmff_fix_header(), rmff_free_header(), rtsp_get_mrl(), rtsp_read_data(), rtsp_request_describe(), rtsp_request_play(), rtsp_request_setparameter(), rtsp_request_setup(), rtsp_schedule_field(), rtsp_search_answers(), rtsp_send_ok(), size, strdup(), and rmff_cont_t::title.

static int select_mlti_data	(	const char *	mlti_chunk,
		int	mlti_size,
		int	selection,
		char **	out
	)			[static]

References BE_16, BE_32, i, lprintf(), and size.

Referenced by real_parse_sdp().

---

Variable Documentation

const unsigned char xor_table[] [static]

Initial value:

 {
    0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53,
    0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70,
    0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09,
    0x63, 0x11, 0x03, 0x71, 0x08, 0x08, 0x70, 0x02,
    0x10, 0x57, 0x05, 0x18, 0x54, 0x00, 0x00, 0x00 }

Referenced by real_calc_response_and_checksum().