static int send_keepalive_packet(MMSTContext *mmst)
{
// respond to a keepalive with a keepalive...
start_command_packet(mmst, CS_PKT_KEEPALIVE);
insert_command_prefixes(&mmst->mms, 1, 0x100FFFF);
return send_command_packet(mmst);
}
static int send_close_packet(MMSTContext *mmst)
{
start_command_packet(mmst, CS_PKT_STREAM_CLOSE);
insert_command_prefixes(&mmst->mms, 1, 1);
return send_command_packet(mmst);
}
static int send_media_file_request(MMSContext *mms)
{
start_command_packet(mms, CS_PKT_MEDIA_FILE_REQUEST);
insert_command_prefixes(mms, 1, 0xffffffff);
bytestream_put_le32(&mms->write_out_ptr, 0);
bytestream_put_le32(&mms->write_out_ptr, 0);
mms_put_utf16(mms, mms->path + 1); // +1 for skip "/"
return send_command_packet(mms);
}
static int send_media_file_request(MMSTContext *mmst)
{
int ret;
MMSContext *mms = &mmst->mms;
start_command_packet(mmst, CS_PKT_MEDIA_FILE_REQUEST);
insert_command_prefixes(mms, 1, 0xffffffff);
bytestream_put_le32(&mms->write_out_ptr, 0);
bytestream_put_le32(&mms->write_out_ptr, 0);
if ((ret = mms_put_utf16(mms, mmst->path + 1)) < 0) // +1 for skip "/"
return ret;
return send_command_packet(mmst);
}
static int send_media_packet_request(MMSContext *mms)
{
start_command_packet(mms, CS_PKT_START_FROM_PKT_ID);
insert_command_prefixes(mms, 1, 0x0001FFFF);
bytestream_put_le64(&mms->write_out_ptr, 0); // seek timestamp
bytestream_put_le32(&mms->write_out_ptr, 0xffffffff); // unknown
bytestream_put_le32(&mms->write_out_ptr, 0xffffffff); // packet offset
bytestream_put_byte(&mms->write_out_ptr, 0xff); // max stream time limit
bytestream_put_byte(&mms->write_out_ptr, 0xff); // max stream time limit
bytestream_put_byte(&mms->write_out_ptr, 0xff); // max stream time limit
bytestream_put_byte(&mms->write_out_ptr, 0x00); // stream time limit flag
mms->packet_id++; // new packet_id
bytestream_put_le32(&mms->write_out_ptr, mms->packet_id);
return send_command_packet(mms);
}
/** Send the initial handshake. */
static int send_startup_packet(MMSContext *mms)
{
char data_string[256];
// SubscriberName is defined in MS specification linked below.
// The guid value can be any valid value.
// http://download.microsoft.com/
// download/9/5/E/95EF66AF-9026-4BB0-A41D-A4F81802D92C/%5BMS-WMSP%5D.pdf
snprintf(data_string, sizeof(data_string),
"NSPlayer/7.0.0.1956; {%s}; Host: %s",
"7E667F5D-A661-495E-A512-F55686DDA178", mms->host);
start_command_packet(mms, CS_PKT_INITIAL);
insert_command_prefixes(mms, 0, 0x0004000b);
bytestream_put_le32(&mms->write_out_ptr, 0x0003001c);
mms_put_utf16(mms, data_string);
return send_command_packet(mms);
}
static int send_media_header_request(MMSContext *mms)
{
start_command_packet(mms, CS_PKT_MEDIA_HEADER_REQUEST);
insert_command_prefixes(mms, 1, 0);
bytestream_put_le32(&mms->write_out_ptr, 0);
bytestream_put_le32(&mms->write_out_ptr, 0x00800000);
bytestream_put_le32(&mms->write_out_ptr, 0xffffffff);
bytestream_put_le32(&mms->write_out_ptr, 0);
bytestream_put_le32(&mms->write_out_ptr, 0);
bytestream_put_le32(&mms->write_out_ptr, 0);
// the media preroll value in milliseconds?
bytestream_put_le32(&mms->write_out_ptr, 0);
bytestream_put_le32(&mms->write_out_ptr, 0x40AC2000);
bytestream_put_le32(&mms->write_out_ptr, 2);
bytestream_put_le32(&mms->write_out_ptr, 0);
return send_command_packet(mms);
}
static int send_protocol_select(MMSContext *mms)
{
char data_string[256];
start_command_packet(mms, CS_PKT_PROTOCOL_SELECT);
insert_command_prefixes(mms, 0, 0xffffffff);
bytestream_put_le32(&mms->write_out_ptr, 0); // maxFunnelBytes
bytestream_put_le32(&mms->write_out_ptr, 0x00989680); // maxbitRate
bytestream_put_le32(&mms->write_out_ptr, 2); // funnelMode
snprintf(data_string, sizeof(data_string), "\\\\%d.%d.%d.%d\\%s\\%d",
(LOCAL_ADDRESS>>24)&0xff,
(LOCAL_ADDRESS>>16)&0xff,
(LOCAL_ADDRESS>>8)&0xff,
LOCAL_ADDRESS&0xff,
"TCP", // or UDP
LOCAL_PORT);
mms_put_utf16(mms, data_string);
return send_command_packet(mms);
}
static int send_time_test_data(MMSTContext *mmst)
{
start_command_packet(mmst, CS_PKT_TIMING_DATA_REQUEST);
insert_command_prefixes(&mmst->mms, 0x00f0f0f0, 0x0004000b);
return send_command_packet(mmst);
}