pnm.c File Reference

#include <config.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include "pnm.h"
#include "libreal/rmff.h"
#include "bswap.h"
#include <xine/io_helper.h>
#include <xine/xineutils.h>
#include <xine/xine_internal.h>

Data Structures
struct	pnm_s

Macros
#define	LOG_MODULE   "pnm"
#define	LOG_VERBOSE
#define	BUF_SIZE   4096
#define	HEADER_SIZE   4096
#define	PREAMBLE_SIZE   8
#define	CHECKSUM_SIZE   3
#define	RM_HEADER_SIZE   0x12
#define	PNM_DATA_HEADER_SIZE   18
#define	PNA_CLIENT_CAPS   0x03
#define	PNA_CLIENT_CHALLANGE   0x04
#define	PNA_BANDWIDTH   0x05
#define	PNA_GUID   0x13
#define	PNA_TIMESTAMP   0x17
#define	PNA_TWENTYFOUR   0x18
#define	PNA_CLIENT_STRING   0x63
#define	PNA_PATH_REQUEST   0x52
#define	PNM_HEADER_SIZE   11
#define	PNM_CLIENT_CAPS_SIZE   126
#define	PNM_TWENTYFOUR_SIZE   16

Functions
static unsigned int	pnm_get_chunk (pnm_t *p, unsigned int max, unsigned int *chunk_type, char *data, int *need_response)
static int	pnm_write_chunk (uint16_t chunk_id, uint16_t length, const char *chunk, char *data)
static int	pnm_send_request (pnm_t *p, uint32_t bandwidth)
static int	pnm_send_response (pnm_t *p, const char *response)
static int	pnm_get_headers (pnm_t *p, int *need_response)
static int	pnm_calc_stream (pnm_t *p)
static int	pnm_get_stream_chunk (pnm_t *p)
pnm_t *	pnm_connect (xine_stream_t *stream, const char *mrl)
int	pnm_read (pnm_t *this, char *data, int len)
int	pnm_peek_header (pnm_t *this, char *data, int maxsize)
void	pnm_close (pnm_t *p)

Variables
static const unsigned char	rm_header []
static const unsigned char	pnm_data_header []
static const char	pnm_challenge [] = "0990f6b4508b51e801bd6da011ad7b56"
static const char	pnm_timestamp [] = "[15/06/1999:22:22:49 00:00]"
static const char	pnm_guid [] = "3eac2411-83d5-11d2-f3ea-d7c3a51aa8b0"
static const char	pnm_response [] = "97715a899cbe41cee00dd434851535bf"
static const char	client_string [] = "WinNT_9.0_6.0.6.45_plus32_MP60_en-US_686l"
static const unsigned char	pnm_header []
static const unsigned char	pnm_client_caps []
static const uint32_t	pnm_default_bandwidth =10485800
static const uint32_t	pnm_available_bandwidths []
static const unsigned char	pnm_twentyfour []
static const int	after_chunks_length =6
static const unsigned char	after_chunks []

Macro Definition Documentation

BUF_SIZE

#define BUF_SIZE   4096

CHECKSUM_SIZE

#define CHECKSUM_SIZE   3

HEADER_SIZE

#define HEADER_SIZE   4096

LOG_MODULE

#define LOG_MODULE   "pnm"

LOG_VERBOSE

#define LOG_VERBOSE

PNA_BANDWIDTH

#define PNA_BANDWIDTH   0x05

PNA_CLIENT_CAPS

#define PNA_CLIENT_CAPS   0x03

PNA_CLIENT_CHALLANGE

#define PNA_CLIENT_CHALLANGE   0x04

PNA_CLIENT_STRING

#define PNA_CLIENT_STRING   0x63

PNA_GUID

#define PNA_GUID   0x13

PNA_PATH_REQUEST

#define PNA_PATH_REQUEST   0x52

PNA_TIMESTAMP

#define PNA_TIMESTAMP   0x17

PNA_TWENTYFOUR

#define PNA_TWENTYFOUR   0x18

PNM_CLIENT_CAPS_SIZE

#define PNM_CLIENT_CAPS_SIZE   126

PNM_DATA_HEADER_SIZE

#define PNM_DATA_HEADER_SIZE   18

PNM_HEADER_SIZE

#define PNM_HEADER_SIZE   11

PNM_TWENTYFOUR_SIZE

#define PNM_TWENTYFOUR_SIZE   16

PREAMBLE_SIZE

#define PREAMBLE_SIZE   8

RM_HEADER_SIZE

#define RM_HEADER_SIZE   0x12

Function Documentation

pnm_calc_stream()

static int pnm_calc_stream ( pnm_t *  p )

static

References lprintf, pnm_s::seq_current, pnm_s::seq_num, pnm_s::stream, pnm_s::ts_current, pnm_s::ts_last, xine_stream_s::xine, XINE_VERBOSITY_DEBUG, and xprintf.

Referenced by pnm_get_stream_chunk().

pnm_close()

void pnm_close

(

pnm_t *

p

)

References _x_io_tcp_close(), pnm_s::host, pnm_s::path, pnm_s::s, pnm_s::stream, and pnm_s::url.

Referenced by pnm_connect(), and pnm_plugin_dispose().

pnm_connect()

pnm_t* pnm_connect	(	xine_stream_t *	stream,
		const char *	mrl
	)

References _, _x_io_tcp_connect(), pnm_s::buffer, pnm_s::header, pnm_s::header_len, pnm_s::host, lprintf, NULL, pnm_s::packet, pnm_s::path, pnm_available_bandwidths, pnm_close(), pnm_get_headers(), pnm_response, pnm_send_request(), pnm_send_response(), pnm_s::port, pnm_s::recv, pnm_s::recv_read, pnm_s::recv_size, pnm_s::s, pnm_s::stream, pnm_s::ts_last, pnm_s::url, xine_stream_s::xine, XINE_VERBOSITY_LOG, and xprintf.

Referenced by pnm_plugin_open().

pnm_get_chunk()

static unsigned int pnm_get_chunk ( pnm_t *  p, unsigned int  max, unsigned int *  chunk_type, char *  data, int *  need_response  )

static

References _x_io_tcp_read(), be2me_16, be2me_32, CHECKSUM_SIZE, CONT_TAG, DATA_TAG, MDPR_TAG, PNA_TAG, PREAMBLE_SIZE, PROP_TAG, RMF_TAG, pnm_s::s, pnm_s::stream, xine_stream_s::xine, xine_hexdump(), XINE_VERBOSITY_DEBUG, and xprintf.

Referenced by pnm_get_headers().

pnm_get_headers()

static int pnm_get_headers ( pnm_t *  p, int *  need_response  )

static

References _x_io_tcp_read(), be2me_32, pnm_s::buffer, DATA_TAG, pnm_s::header, pnm_s::header_len, HEADER_SIZE, NULL, PNA_TAG, pnm_data_header, PNM_DATA_HEADER_SIZE, pnm_get_chunk(), PREAMBLE_SIZE, PROP_TAG, rm_header, RM_HEADER_SIZE, RMF_TAG, pnm_s::s, pnm_s::stream, xine_stream_s::xine, XINE_VERBOSITY_DEBUG, and xprintf.

Referenced by pnm_connect().

pnm_get_stream_chunk()

static int pnm_get_stream_chunk ( pnm_t *  p )

static

References _, _X_BE_16, _X_BE_32, _x_io_tcp_read(), _x_io_tcp_write(), be2me_16, BUF_SIZE, pnm_s::buffer, lprintf, pnm_s::packet, pnm_calc_stream(), pnm_s::recv, pnm_s::recv_size, pnm_s::s, pnm_s::seq_current, pnm_s::stream, pnm_s::ts_current, pnm_s::ts_last, xine_stream_s::xine, xine_hexdump(), XINE_VERBOSITY_DEBUG, XINE_VERBOSITY_LOG, and xprintf.

Referenced by pnm_read().

pnm_peek_header()

int pnm_peek_header	(	pnm_t *	this,
		char *	data,
		int	maxsize
	)

Referenced by pnm_plugin_get_optional_data().

pnm_read()

int pnm_read	(	pnm_t *	this,
		char *	data,
		int	len
	)

References lprintf, and pnm_get_stream_chunk().

Referenced by pnm_plugin_read().

pnm_send_request()

static int pnm_send_request ( pnm_t *  p, uint32_t  bandwidth  )

static

References _x_io_tcp_write(), after_chunks, after_chunks_length, be2me_16, pnm_s::buffer, client_string, NULL, pnm_s::path, PNA_BANDWIDTH, PNA_CLIENT_CAPS, PNA_CLIENT_CHALLANGE, PNA_CLIENT_STRING, PNA_GUID, PNA_PATH_REQUEST, PNA_TIMESTAMP, PNA_TWENTYFOUR, pnm_challenge, pnm_client_caps, PNM_CLIENT_CAPS_SIZE, pnm_default_bandwidth, pnm_guid, pnm_header, PNM_HEADER_SIZE, pnm_timestamp, pnm_twentyfour, PNM_TWENTYFOUR_SIZE, pnm_write_chunk(), pnm_s::s, and pnm_s::stream.

Referenced by pnm_connect().

pnm_send_response()

static int pnm_send_response ( pnm_t *  p, const char *  response  )

static

@TODO should check that sze is always < 256

References _x_io_tcp_write(), pnm_s::buffer, pnm_s::s, and pnm_s::stream.

Referenced by pnm_connect().

pnm_write_chunk()

static int pnm_write_chunk ( uint16_t  chunk_id, uint16_t  length, const char *  chunk, char *  data  )

static

References be2me_16.

Referenced by pnm_send_request().

Variable Documentation

after_chunks

const unsigned char after_chunks[]

static

Initial value:

={
    0x00, 0x00, 
 
    0x50, 0x84, 
    0x1f, 0x3a  
    }

Referenced by pnm_send_request().

after_chunks_length

const int after_chunks_length =6

static

Referenced by pnm_send_request().

client_string

const char client_string[] = "WinNT_9.0_6.0.6.45_plus32_MP60_en-US_686l"

static

Referenced by pnm_send_request().

pnm_available_bandwidths

const uint32_t pnm_available_bandwidths[]

static

Initial value:

={14400,19200,28800,33600,34430,57600,
                                  115200,262200,393216,524300,1544000,10485800}

Referenced by pnm_connect().

pnm_challenge

const char pnm_challenge[] = "0990f6b4508b51e801bd6da011ad7b56"

static

Referenced by pnm_send_request().

pnm_client_caps

const unsigned char pnm_client_caps[]

static

Initial value:

= {
    0x07, 0x8a, 'p','n','r','v',
       0, 0x90, 'p','n','r','v',
       0, 0x64, 'd','n','e','t',
       0, 0x46, 'p','n','r','v',
       0, 0x32, 'd','n','e','t',
       0, 0x2b, 'p','n','r','v',
       0, 0x28, 'd','n','e','t',
       0, 0x24, 'p','n','r','v',
       0, 0x19, 'd','n','e','t',
       0, 0x18, 'p','n','r','v',
       0, 0x14, 's','i','p','r',
       0, 0x14, 'd','n','e','t',
       0, 0x24, '2','8','_','8',
       0, 0x12, 'p','n','r','v',
       0, 0x0f, 'd','n','e','t',
       0, 0x0a, 's','i','p','r',
       0, 0x0a, 'd','n','e','t',
       0, 0x08, 's','i','p','r',
       0, 0x06, 's','i','p','r',
       0, 0x12, 'l','p','c','J',
       0, 0x07, '0','5','_','6' }

Referenced by pnm_send_request().

pnm_data_header

const unsigned char pnm_data_header[]

static

Initial value:

={
        'D','A','T','A',
         0,0,0,0,       
         0,0,           
         0,0,0,0,       
         0,0,0,0}

Referenced by pnm_get_headers().

pnm_default_bandwidth

const uint32_t pnm_default_bandwidth =10485800

static

Referenced by pnm_send_request().

pnm_guid

const char pnm_guid[] = "3eac2411-83d5-11d2-f3ea-d7c3a51aa8b0"

static

Referenced by pnm_send_request().

pnm_header

const unsigned char pnm_header[]

static

Initial value:

= {
        'P','N','A',
        0x00, 0x0a,
        0x00, 0x14,
        0x00, 0x02,
        0x00, 0x01 }

Referenced by pnm_send_request().

pnm_response

const char pnm_response[] = "97715a899cbe41cee00dd434851535bf"

static

Referenced by pnm_connect().

pnm_timestamp

const char pnm_timestamp[] = "[15/06/1999:22:22:49 00:00]"

static

Referenced by pnm_send_request().

pnm_twentyfour

const unsigned char pnm_twentyfour[]

static

Initial value:

={
    0xd5, 0x42, 0xa3, 0x1b, 0xef, 0x1f, 0x70, 0x24,
    0x85, 0x29, 0xb3, 0x8d, 0xba, 0x11, 0xf3, 0xd6 }

Referenced by pnm_send_request().

rm_header

const unsigned char rm_header[]

static

Initial value:

={
        0x2e, 0x52, 0x4d, 0x46, 
        0x00, 0x00, 0x00, 0x12, 
        0x00, 0x00,             
        0x00, 0x00, 0x00, 0x00, 
        0x00, 0x00, 0x00, 0x06  
}

Referenced by pnm_get_headers().