mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 00:02:13 +00:00
27090defde
Pathc by Dominik 'Rathann' Mierzejewski git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15182 b3059339-0415-0410-9bf9-f77b7e298cf2
654 lines
16 KiB
C
654 lines
16 KiB
C
// mmst implementation taken from the xine-mms plugin made by majormms (http://geocities.com/majormms/)
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//
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// ported to mplayer by Abhijeet Phatak <abhijeetphatak@yahoo.com>
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// date : 16 April 2002
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//
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// information about the mms protocol can be find at http://get.to/sdp
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <inttypes.h>
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#include "config.h"
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#ifndef HAVE_WINSOCK2
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#define closesocket close
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#else
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#include <winsock2.h>
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#endif
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#ifndef USE_SETLOCALE
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#undef USE_ICONV
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#endif
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#ifdef USE_ICONV
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#include <iconv.h>
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#ifdef USE_LANGINFO
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#include <langinfo.h>
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#endif
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#endif
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#include "url.h"
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#include "asf.h"
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#include "stream.h"
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#include "network.h"
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#define BUF_SIZE 102400
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#define HDR_BUF_SIZE 8192
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#define MAX_STREAMS 20
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typedef struct
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{
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uint8_t buf[BUF_SIZE];
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int num_bytes;
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} command_t;
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static int seq_num;
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static int num_stream_ids;
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static int stream_ids[MAX_STREAMS];
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static int get_data (int s, char *buf, size_t count);
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static void put_32 (command_t *cmd, uint32_t value)
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{
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cmd->buf[cmd->num_bytes ] = value % 256;
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value = value >> 8;
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cmd->buf[cmd->num_bytes+1] = value % 256 ;
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value = value >> 8;
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cmd->buf[cmd->num_bytes+2] = value % 256 ;
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value = value >> 8;
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cmd->buf[cmd->num_bytes+3] = value % 256 ;
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cmd->num_bytes += 4;
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}
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static uint32_t get_32 (unsigned char *cmd, int offset)
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{
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uint32_t ret;
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ret = cmd[offset] ;
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ret |= cmd[offset+1]<<8 ;
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ret |= cmd[offset+2]<<16 ;
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ret |= cmd[offset+3]<<24 ;
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return ret;
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}
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static void send_command (int s, int command, uint32_t switches,
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uint32_t extra, int length,
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char *data)
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{
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command_t cmd;
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int len8;
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len8 = (length + 7) / 8;
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cmd.num_bytes = 0;
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put_32 (&cmd, 0x00000001); /* start sequence */
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put_32 (&cmd, 0xB00BFACE); /* #-)) */
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put_32 (&cmd, len8*8 + 32);
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put_32 (&cmd, 0x20534d4d); /* protocol type "MMS " */
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put_32 (&cmd, len8 + 4);
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put_32 (&cmd, seq_num);
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seq_num++;
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put_32 (&cmd, 0x0); /* unknown */
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put_32 (&cmd, 0x0);
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put_32 (&cmd, len8+2);
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put_32 (&cmd, 0x00030000 | command); /* dir | command */
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put_32 (&cmd, switches);
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put_32 (&cmd, extra);
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memcpy (&cmd.buf[48], data, length);
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if (length & 7)
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memset(&cmd.buf[48 + length], 0, 8 - (length & 7));
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if (send (s, cmd.buf, len8*8+48, 0) != (len8*8+48)) {
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printf ("write error\n");
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}
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}
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#ifdef USE_ICONV
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static iconv_t url_conv;
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#endif
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static void string_utf16(char *dest, char *src, int len) {
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int i;
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#ifdef USE_ICONV
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size_t len1, len2;
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char *ip, *op;
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if (url_conv != (iconv_t)(-1))
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{
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memset(dest, 0, 1000);
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len1 = len; len2 = 1000;
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ip = src; op = dest;
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iconv(url_conv, &ip, &len1, &op, &len2);
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}
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else
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{
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#endif
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if (len > 499) len = 499;
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for (i=0; i<len; i++) {
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dest[i*2] = src[i];
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dest[i*2+1] = 0;
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}
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/* trailing zeroes */
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dest[i*2] = 0;
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dest[i*2+1] = 0;
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#ifdef USE_ICONV
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}
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#endif
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}
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static void get_answer (int s)
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{
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char data[BUF_SIZE];
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int command = 0x1b;
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while (command == 0x1b) {
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int len;
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len = recv (s, data, BUF_SIZE, 0) ;
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if (!len) {
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printf ("\nalert! eof\n");
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return;
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}
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command = get_32 (data, 36) & 0xFFFF;
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if (command == 0x1b)
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send_command (s, 0x1b, 0, 0, 0, data);
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}
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}
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static int get_data (int s, char *buf, size_t count)
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{
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ssize_t len;
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size_t total = 0;
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while (total < count) {
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len = recv (s, &buf[total], count-total, 0);
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if (len<=0) {
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perror ("read error:");
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return 0;
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}
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total += len;
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if (len != 0) {
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// printf ("[%d/%d]", total, count);
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fflush (stdout);
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}
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}
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return 1;
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}
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static int get_header (int s, uint8_t *header, streaming_ctrl_t *streaming_ctrl)
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{
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unsigned char pre_header[8];
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int header_len;
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header_len = 0;
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while (1) {
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if (!get_data (s, pre_header, 8)) {
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printf ("pre-header read failed\n");
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return 0;
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}
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if (pre_header[4] == 0x02) {
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int packet_len;
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packet_len = (pre_header[7] << 8 | pre_header[6]) - 8;
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// printf ("asf header packet detected, len=%d\n", packet_len);
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if (packet_len < 0 || packet_len > HDR_BUF_SIZE - header_len) {
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mp_msg(MSGT_NETWORK, MSGL_FATAL, "Invalid header size, giving up\n");
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return 0;
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}
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if (!get_data (s, &header[header_len], packet_len)) {
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printf ("header data read failed\n");
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return 0;
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}
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header_len += packet_len;
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if ( (header[header_len-1] == 1) && (header[header_len-2]==1)) {
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if( streaming_bufferize( streaming_ctrl, header, header_len )<0 ) {
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return -1;
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}
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// printf ("get header packet finished\n");
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return (header_len);
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}
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} else {
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int32_t packet_len;
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int command;
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char data[BUF_SIZE];
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if (!get_data (s, (char*)&packet_len, 4)) {
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printf ("packet_len read failed\n");
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return 0;
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}
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packet_len = get_32 ((unsigned char*)&packet_len, 0) + 4;
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// printf ("command packet detected, len=%d\n", packet_len);
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if (packet_len < 0 || packet_len > BUF_SIZE) {
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mp_msg(MSGT_NETWORK, MSGL_FATAL,
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"Invalid rtsp packet size, giving up\n");
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return 0;
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}
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if (!get_data (s, data, packet_len)) {
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printf ("command data read failed\n");
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return 0;
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}
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command = get_32 (data, 24) & 0xFFFF;
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// printf ("command: %02x\n", command);
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if (command == 0x1b)
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send_command (s, 0x1b, 0, 0, 0, data);
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}
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// printf ("get header packet succ\n");
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}
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}
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static int interp_header (uint8_t *header, int header_len)
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{
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int i;
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int packet_length=-1;
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/*
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* parse header
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*/
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i = 30;
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while (i<header_len) {
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uint64_t guid_1, guid_2, length;
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guid_2 = (uint64_t)header[i] | ((uint64_t)header[i+1]<<8)
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| ((uint64_t)header[i+2]<<16) | ((uint64_t)header[i+3]<<24)
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| ((uint64_t)header[i+4]<<32) | ((uint64_t)header[i+5]<<40)
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| ((uint64_t)header[i+6]<<48) | ((uint64_t)header[i+7]<<56);
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i += 8;
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guid_1 = (uint64_t)header[i] | ((uint64_t)header[i+1]<<8)
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| ((uint64_t)header[i+2]<<16) | ((uint64_t)header[i+3]<<24)
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| ((uint64_t)header[i+4]<<32) | ((uint64_t)header[i+5]<<40)
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| ((uint64_t)header[i+6]<<48) | ((uint64_t)header[i+7]<<56);
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i += 8;
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// printf ("guid found: %016llx%016llx\n", guid_1, guid_2);
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length = (uint64_t)header[i] | ((uint64_t)header[i+1]<<8)
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| ((uint64_t)header[i+2]<<16) | ((uint64_t)header[i+3]<<24)
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| ((uint64_t)header[i+4]<<32) | ((uint64_t)header[i+5]<<40)
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| ((uint64_t)header[i+6]<<48) | ((uint64_t)header[i+7]<<56);
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i += 8;
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if ( (guid_1 == 0x6cce6200aa00d9a6ULL) && (guid_2 == 0x11cf668e75b22630ULL) ) {
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printf ("header object\n");
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} else if ((guid_1 == 0x6cce6200aa00d9a6ULL) && (guid_2 == 0x11cf668e75b22636ULL)) {
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printf ("data object\n");
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} else if ((guid_1 == 0x6553200cc000e48eULL) && (guid_2 == 0x11cfa9478cabdca1ULL)) {
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packet_length = get_32(header, i+92-24);
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printf ("file object, packet length = %d (%d)\n",
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packet_length, get_32(header, i+96-24));
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} else if ((guid_1 == 0x6553200cc000e68eULL) && (guid_2 == 0x11cfa9b7b7dc0791ULL)) {
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int stream_id = header[i+48] | header[i+49] << 8;
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printf ("stream object, stream id: %d\n", stream_id);
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if (num_stream_ids < MAX_STREAMS) {
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stream_ids[num_stream_ids] = stream_id;
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num_stream_ids++;
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} else {
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printf ("too many id, stream skipped");
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}
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} else {
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printf ("unknown object\n");
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}
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// printf ("length : %lld\n", length);
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i += length-24;
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}
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return packet_length;
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}
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static int get_media_packet (int s, int padding, streaming_ctrl_t *stream_ctrl) {
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unsigned char pre_header[8];
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char data[BUF_SIZE];
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if (!get_data (s, pre_header, 8)) {
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printf ("pre-header read failed\n");
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return 0;
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}
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// for (i=0; i<8; i++)
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// printf ("pre_header[%d] = %02x (%d)\n",
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// i, pre_header[i], pre_header[i]);
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if (pre_header[4] == 0x04) {
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int packet_len;
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packet_len = (pre_header[7] << 8 | pre_header[6]) - 8;
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// printf ("asf media packet detected, len=%d\n", packet_len);
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if (packet_len < 0 || packet_len > BUF_SIZE) {
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mp_msg(MSGT_NETWORK, MSGL_FATAL,
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"Invalid rtsp packet size, giving up\n");
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return 0;
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}
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if (!get_data (s, data, packet_len)) {
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printf ("media data read failed\n");
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return 0;
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}
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streaming_bufferize(stream_ctrl, data, padding);
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} else {
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int32_t packet_len;
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int command;
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if (!get_data (s, (char*)&packet_len, 4)) {
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printf ("packet_len read failed\n");
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return 0;
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}
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packet_len = get_32 ((unsigned char*)&packet_len, 0) + 4;
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if (packet_len < 0 || packet_len > BUF_SIZE) {
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mp_msg(MSGT_NETWORK, MSGL_FATAL,
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"Invalid rtsp packet size, giving up\n");
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return 0;
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}
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if (!get_data (s, data, packet_len)) {
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printf ("command data read failed\n");
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return 0;
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}
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if ( (pre_header[7] != 0xb0) || (pre_header[6] != 0x0b)
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|| (pre_header[5] != 0xfa) || (pre_header[4] != 0xce) ) {
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printf ("missing signature\n");
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return -1;
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}
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command = get_32 (data, 24) & 0xFFFF;
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// printf ("\ncommand packet detected, len=%d cmd=0x%X\n", packet_len, command);
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if (command == 0x1b)
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send_command (s, 0x1b, 0, 0, 0, data);
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else if (command == 0x1e) {
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printf ("everything done. Thank you for downloading a media file containing proprietary and patentend technology.\n");
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return 0;
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}
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else if (command == 0x21 ) {
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// Looks like it's new in WMS9
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// Unknown command, but ignoring it seems to work.
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return 0;
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}
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else if (command != 0x05) {
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printf ("unknown command %02x\n", command);
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return -1;
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}
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}
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// printf ("get media packet succ\n");
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return 1;
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}
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static int packet_length1;
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int
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asf_mmst_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl )
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{
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int len;
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while( stream_ctrl->buffer_size==0 ) {
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// buffer is empty - fill it!
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int ret = get_media_packet( fd, packet_length1, stream_ctrl);
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if( ret<0 ) {
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printf("get_media_packet error : %s\n",strerror(errno));
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return -1;
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} else if (ret==0) //EOF?
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return ret;
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}
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len = stream_ctrl->buffer_size-stream_ctrl->buffer_pos;
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if(len>size) len=size;
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memcpy( buffer, (stream_ctrl->buffer)+(stream_ctrl->buffer_pos), len );
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stream_ctrl->buffer_pos += len;
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if( stream_ctrl->buffer_pos>=stream_ctrl->buffer_size ) {
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free( stream_ctrl->buffer );
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stream_ctrl->buffer = NULL;
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stream_ctrl->buffer_size = 0;
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stream_ctrl->buffer_pos = 0;
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}
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return len;
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}
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int
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asf_mmst_streaming_seek( int fd, off_t pos, streaming_ctrl_t *streaming_ctrl )
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{
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return -1;
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// Shut up gcc warning
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fd++;
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pos++;
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streaming_ctrl=NULL;
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}
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int asf_mmst_streaming_start(stream_t *stream)
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{
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char str[1024];
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char data[BUF_SIZE];
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uint8_t asf_header[HDR_BUF_SIZE];
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int asf_header_len;
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int len, i, packet_length;
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char *path, *unescpath;
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URL_t *url1 = stream->streaming_ctrl->url;
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int s = stream->fd;
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if( s>0 ) {
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closesocket( stream->fd );
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stream->fd = -1;
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}
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/* parse url */
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path = strchr(url1->file,'/') + 1;
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/* mmst filename are not url_escaped by MS MediaPlayer and are expected as
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* "plain text" by the server, so need to decode it here
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*/
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unescpath=malloc(strlen(path)+1);
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if (!unescpath) {
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mp_msg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed!\n");
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return -1;
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}
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url_unescape_string(unescpath,path);
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path=unescpath;
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if( url1->port==0 ) {
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url1->port=1755;
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}
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s = connect2Server( url1->hostname, url1->port, 1);
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if( s<0 ) {
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free(path);
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return s;
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}
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printf ("connected\n");
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seq_num=0;
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/*
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* Send the initial connect info including player version no. Client GUID (random) and the host address being connected to.
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* This command is sent at the very start of protocol initiation. It sends local information to the serve
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* cmd 1 0x01
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* */
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/* prepare for the url encoding conversion */
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#ifdef USE_ICONV
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#ifdef USE_LANGINFO
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url_conv = iconv_open("UTF-16LE",nl_langinfo(CODESET));
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#else
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url_conv = iconv_open("UTF-16LE", NULL);
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#endif
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#endif
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snprintf (str, 1023, "\034\003NSPlayer/7.0.0.1956; {33715801-BAB3-9D85-24E9-03B90328270A}; Host: %s", url1->hostname);
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string_utf16 (data, str, strlen(str));
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// send_command(s, commandno ....)
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send_command (s, 1, 0, 0x0004000b, strlen(str)*2+2, data);
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len = recv (s, data, BUF_SIZE, 0) ;
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/*This sends details of the local machine IP address to a Funnel system at the server.
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* Also, the TCP or UDP transport selection is sent.
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*
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* here 192.168.0.1 is local ip address TCP/UDP states the tronsport we r using
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* and 1037 is the local TCP or UDP socket number
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* cmd 2 0x02
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* */
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string_utf16 (&data[8], "\002\000\\\\192.168.0.1\\TCP\\1037", 24);
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memset (data, 0, 8);
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send_command (s, 2, 0, 0, 24*2+10, data);
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len = recv (s, data, BUF_SIZE, 0) ;
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/* This command sends file path (at server) and file name request to the server.
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* 0x5 */
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string_utf16 (&data[8], path, strlen(path));
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memset (data, 0, 8);
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send_command (s, 5, 0, 0, strlen(path)*2+10, data);
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free(path);
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get_answer (s);
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/* The ASF header chunk request. Includes ?session' variable for pre header value.
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* After this command is sent,
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* the server replies with 0x11 command and then the header chunk with header data follows.
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* 0x15 */
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memset (data, 0, 40);
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data[32] = 2;
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send_command (s, 0x15, 1, 0, 40, data);
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num_stream_ids = 0;
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/* get_headers(s, asf_header); */
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asf_header_len = get_header (s, asf_header, stream->streaming_ctrl);
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// printf("---------------------------------- asf_header %d\n",asf_header);
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if (asf_header_len==0) return -1; //error reading header
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packet_length = interp_header (asf_header, asf_header_len);
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/*
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* This command is the media stream MBR selector. Switches are always 6 bytes in length.
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* After all switch elements, data ends with bytes [00 00] 00 20 ac 40 [02].
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* Where:
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* [00 00] shows 0x61 0x00 (on the first 33 sent) or 0xff 0xff for ASF files, and with no ending data for WMV files.
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* It is not yet understood what all this means.
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* And the last [02] byte is probably the header ?session' value.
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*
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* 0x33 */
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memset (data, 0, 40);
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for (i=1; i<num_stream_ids; i++) {
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data [ (i-1) * 6 + 2 ] = 0xFF;
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data [ (i-1) * 6 + 3 ] = 0xFF;
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data [ (i-1) * 6 + 4 ] = stream_ids[i];
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data [ (i-1) * 6 + 5 ] = 0x00;
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}
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send_command (s, 0x33, num_stream_ids, 0xFFFF | stream_ids[0] << 16, (num_stream_ids-1)*6+2 , data);
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get_answer (s);
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/* Start sending file from packet xx.
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* This command is also used for resume downloads or requesting a lost packet.
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* Also used for seeking by sending a play point value which seeks to the media time point.
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* Includes ?session' value in pre header and the maximum media stream time.
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* 0x07 */
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memset (data, 0, 40);
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for (i=8; i<16; i++)
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data[i] = 0xFF;
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data[20] = 0x04;
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send_command (s, 0x07, 1, 0xFFFF | stream_ids[0] << 16, 24, data);
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stream->fd = s;
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stream->streaming_ctrl->streaming_read = asf_mmst_streaming_read;
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stream->streaming_ctrl->streaming_seek = asf_mmst_streaming_seek;
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stream->streaming_ctrl->buffering = 1;
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stream->streaming_ctrl->status = streaming_playing_e;
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packet_length1 = packet_length;
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printf("mmst packet_length = %d\n",packet_length);
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#ifdef USE_ICONV
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if (url_conv != (iconv_t)(-1))
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iconv_close(url_conv);
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#endif
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return 0;
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}
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