917 lines
39 KiB
C++
917 lines
39 KiB
C++
#include "output_rtmp.h"
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#include <mist/http_parser.h>
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#include <mist/defines.h>
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#include <mist/stream.h>
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#include <cstring>
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#include <cstdlib>
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namespace Mist {
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OutRTMP::OutRTMP(Socket::Connection & conn) : Output(conn) {
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playTransaction = -1;
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playMessageType = -1;
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playStreamId = -1;
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setBlocking(false);
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while (!conn.Received().available(1537) && conn.connected()) {
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conn.spool();
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Util::sleep(5);
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}
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if (!conn){
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return;
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}
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RTMPStream::handshake_in.append(conn.Received().remove(1537));
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RTMPStream::rec_cnt += 1537;
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if (RTMPStream::doHandshake()) {
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conn.SendNow(RTMPStream::handshake_out);
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while (!conn.Received().available(1536) && conn.connected()) {
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conn.spool();
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Util::sleep(5);
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}
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conn.Received().remove(1536);
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RTMPStream::rec_cnt += 1536;
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DEBUG_MSG(DLVL_HIGH, "Handshake success!");
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} else {
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DEBUG_MSG(DLVL_DEVEL, "Handshake fail!");
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}
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counter = 0;
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sending = false;
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streamReset = false;
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maxSkipAhead = 1500;
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minSkipAhead = 500;
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}
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OutRTMP::~OutRTMP() {}
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void OutRTMP::init(Util::Config * cfg) {
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capa["name"] = "RTMP";
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capa["desc"] = "Enables the RTMP protocol which is used by Adobe Flash Player.";
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capa["deps"] = "";
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capa["url_rel"] = "/play/$";
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capa["codecs"][0u][0u].append("H264");
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capa["codecs"][0u][0u].append("H263");
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capa["codecs"][0u][0u].append("VP6");
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capa["codecs"][0u][1u].append("AAC");
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capa["codecs"][0u][1u].append("MP3");
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capa["methods"][0u]["handler"] = "rtmp";
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capa["methods"][0u]["type"] = "flash/10";
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capa["methods"][0u]["priority"] = 6ll;
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cfg->addConnectorOptions(1935, capa);
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config = cfg;
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}
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void OutRTMP::sendNext() {
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char rtmpheader[] = {0, //byte 0 = cs_id | ch_type
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0, 0, 0, //bytes 1-3 = timestamp
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0, 0, 0, //bytes 4-6 = length
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0x12, //byte 7 = msg_type_id
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1, 0, 0, 0, //bytes 8-11 = msg_stream_id = 1
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0, 0, 0, 0}; //bytes 12-15 = extended timestamp
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char dataheader[] = {0, 0, 0, 0, 0};
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unsigned int dheader_len = 1;
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char * tmpData = 0;//pointer to raw media data
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int data_len = 0;//length of processed media data
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currentPacket.getString("data", tmpData, data_len);
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DTSC::Track & track = myMeta.tracks[currentPacket.getTrackId()];
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//set msg_type_id
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if (track.type == "video"){
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rtmpheader[7] = 0x09;
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if (track.codec == "H264"){
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dheader_len += 4;
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dataheader[0] = 7;
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if (currentPacket.getFlag("nalu")){
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dataheader[1] = 1;
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}else{
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dataheader[1] = 2;
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}
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if (currentPacket.getInt("offset") > 0){
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long long offset = currentPacket.getInt("offset");
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dataheader[2] = (offset >> 16) & 0xFF;
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dataheader[3] = (offset >> 8) & 0xFF;
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dataheader[4] = offset & 0xFF;
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}
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}
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if (track.codec == "H263"){
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dataheader[0] = 2;
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}
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if (currentPacket.getFlag("keyframe")){
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dataheader[0] |= 0x10;
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}
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if (currentPacket.getFlag("interframe")){
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dataheader[0] |= 0x20;
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}
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if (currentPacket.getFlag("disposableframe")){
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dataheader[0] |= 0x30;
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}
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}
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if (track.type == "audio"){
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rtmpheader[7] = 0x08;
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if (track.codec == "AAC"){
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dataheader[0] += 0xA0;
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dheader_len += 1;
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dataheader[1] = 1; //raw AAC data, not sequence header
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}
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if (track.codec == "MP3"){
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dataheader[0] += 0x20;
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}
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if (track.rate >= 44100){
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dataheader[0] |= 0x0C;
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}else if (track.rate >= 22050){
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dataheader[0] |= 0x08;
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}else if (track.rate >= 11025){
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dataheader[0] |= 0x04;
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}
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if (track.size == 16){
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dataheader[0] |= 0x02;
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}
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if (track.channels > 1){
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dataheader[0] |= 0x01;
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}
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}
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data_len += dheader_len;
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unsigned int timestamp = currentPacket.getTime();
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bool allow_short = RTMPStream::lastsend.count(4);
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RTMPStream::Chunk & prev = RTMPStream::lastsend[4];
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unsigned char chtype = 0x00;
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unsigned int header_len = 12;
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bool time_is_diff = false;
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if (allow_short && (prev.cs_id == 4)){
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if (prev.msg_stream_id == 1){
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chtype = 0x40;
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header_len = 8; //do not send msg_stream_id
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if (data_len == prev.len && rtmpheader[7] == prev.msg_type_id){
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chtype = 0x80;
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header_len = 4; //do not send len and msg_type_id
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if (timestamp == prev.timestamp){
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chtype = 0xC0;
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header_len = 1; //do not send timestamp
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}
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}
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//override - we always sent type 0x00 if the timestamp has decreased since last chunk in this channel
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if (timestamp < prev.timestamp){
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chtype = 0x00;
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header_len = 12;
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}else{
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//store the timestamp diff instead of the whole timestamp
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timestamp -= prev.timestamp;
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time_is_diff = true;
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}
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}
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}
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//update previous chunk variables
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prev.cs_id = 4;
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prev.msg_stream_id = 1;
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prev.len = data_len;
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prev.msg_type_id = rtmpheader[7];
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if (time_is_diff){
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prev.timestamp += timestamp;
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}else{
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prev.timestamp = timestamp;
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}
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//cs_id and ch_type
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rtmpheader[0] = chtype | 4;
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//data length, 3 bytes
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rtmpheader[4] = (data_len >> 16) & 0xff;
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rtmpheader[5] = (data_len >> 8) & 0xff;
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rtmpheader[6] = data_len & 0xff;
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//timestamp, 3 bytes
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if (timestamp >= 0x00ffffff){
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//send extended timestamp
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rtmpheader[1] = 0xff;
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rtmpheader[2] = 0xff;
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rtmpheader[3] = 0xff;
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rtmpheader[header_len++] = timestamp & 0xff;
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rtmpheader[header_len++] = (timestamp >> 8) & 0xff;
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rtmpheader[header_len++] = (timestamp >> 16) & 0xff;
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rtmpheader[header_len++] = (timestamp >> 24) & 0xff;
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}else{
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//regular timestamp
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rtmpheader[1] = (timestamp >> 16) & 0xff;
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rtmpheader[2] = (timestamp >> 8) & 0xff;
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rtmpheader[3] = timestamp & 0xff;
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}
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//send the header
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myConn.SendNow(rtmpheader, header_len);
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//set the header's first byte to the "continue" type chunk, for later use
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rtmpheader[0] = 0xC4;
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//sent actual data - never send more than chunk_snd_max at a time
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//interleave blocks of max chunk_snd_max bytes with 0xC4 bytes to indicate continue
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unsigned int len_sent = 0;
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unsigned int steps = 0;
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while (len_sent < data_len){
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unsigned int to_send = std::min(data_len - len_sent, RTMPStream::chunk_snd_max);
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if (!len_sent){
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myConn.SendNow(dataheader, dheader_len);
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to_send -= dheader_len;
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len_sent += dheader_len;
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}
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myConn.SendNow(tmpData+len_sent-dheader_len, to_send);
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len_sent += to_send;
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if (len_sent < data_len){
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myConn.SendNow(rtmpheader, 1);
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++steps;
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}
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}
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//update the sent data counter
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RTMPStream::snd_cnt += header_len + data_len + steps;
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}
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void OutRTMP::sendHeader() {
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FLV::Tag tag;
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tag.DTSCMetaInit(myMeta, selectedTracks);
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if (tag.len) {
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myConn.SendNow(RTMPStream::SendMedia(tag));
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}
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for (std::set<long unsigned int>::iterator it = selectedTracks.begin(); it != selectedTracks.end(); it++) {
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if (myMeta.tracks[*it].type == "video") {
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tag.DTSCVideoInit(myMeta.tracks[*it]);
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if (tag.len) {
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myConn.SendNow(RTMPStream::SendMedia(tag));
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}
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}
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if (myMeta.tracks[*it].type == "audio") {
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tag.DTSCAudioInit(myMeta.tracks[*it]);
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if (tag.len) {
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myConn.SendNow(RTMPStream::SendMedia(tag));
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}
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}
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}
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sentHeader = true;
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}
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void OutRTMP::onRequest() {
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parseChunk(myConn.Received());
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}
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///\brief Sends a RTMP command either in AMF or AMF3 mode.
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///\param amfReply The data to be sent over RTMP.
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///\param messageType The type of message.
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///\param streamId The ID of the AMF stream.
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void OutRTMP::sendCommand(AMF::Object & amfReply, int messageType, int streamId) {
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#if DEBUG >= 8
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std::cerr << amfReply.Print() << std::endl;
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#endif
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if (messageType == 17) {
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myConn.SendNow(RTMPStream::SendChunk(3, messageType, streamId, (char)0 + amfReply.Pack()));
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} else {
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myConn.SendNow(RTMPStream::SendChunk(3, messageType, streamId, amfReply.Pack()));
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}
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} //sendCommand
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///\brief Parses a single AMF command message, and sends a direct response through sendCommand().
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///\param amfData The received request.
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///\param messageType The type of message.
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///\param streamId The ID of the AMF stream.
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void OutRTMP::parseAMFCommand(AMF::Object & amfData, int messageType, int streamId) {
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#if DEBUG >= 5
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fprintf(stderr, "Received command: %s\n", amfData.Print().c_str());
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#endif
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#if DEBUG >= 8
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fprintf(stderr, "AMF0 command: %s\n", amfData.getContentP(0)->StrValue().c_str());
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#endif
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if (amfData.getContentP(0)->StrValue() == "connect") {
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double objencoding = 0;
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if (amfData.getContentP(2)->getContentP("objectEncoding")) {
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objencoding = amfData.getContentP(2)->getContentP("objectEncoding")->NumValue();
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}
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#if DEBUG >= 6
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int tmpint;
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if (amfData.getContentP(2)->getContentP("videoCodecs")) {
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tmpint = (int)amfData.getContentP(2)->getContentP("videoCodecs")->NumValue();
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if (tmpint & 0x04) {
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fprintf(stderr, "Sorensen video support detected\n");
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}
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if (tmpint & 0x80) {
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fprintf(stderr, "H264 video support detected\n");
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}
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}
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if (amfData.getContentP(2)->getContentP("audioCodecs")) {
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tmpint = (int)amfData.getContentP(2)->getContentP("audioCodecs")->NumValue();
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if (tmpint & 0x04) {
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fprintf(stderr, "MP3 audio support detected\n");
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}
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if (tmpint & 0x400) {
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fprintf(stderr, "AAC audio support detected\n");
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}
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}
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#endif
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app_name = amfData.getContentP(2)->getContentP("tcUrl")->StrValue();
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app_name = app_name.substr(app_name.find('/', 7) + 1);
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RTMPStream::chunk_snd_max = 4096;
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myConn.Send(RTMPStream::SendCTL(1, RTMPStream::chunk_snd_max)); //send chunk size max (msg 1)
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myConn.Send(RTMPStream::SendCTL(5, RTMPStream::snd_window_size)); //send window acknowledgement size (msg 5)
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myConn.Send(RTMPStream::SendCTL(6, RTMPStream::rec_window_size)); //send rec window acknowledgement size (msg 6)
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myConn.Send(RTMPStream::SendUSR(0, 1)); //send UCM StreamBegin (0), stream 1
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//send a _result reply
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AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
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amfReply.addContent(AMF::Object("", "_result")); //result success
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amfReply.addContent(amfData.getContent(1)); //same transaction ID
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amfReply.addContent(AMF::Object("")); //server properties
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amfReply.getContentP(2)->addContent(AMF::Object("fmsVer", "FMS/3,5,5,2004"));
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amfReply.getContentP(2)->addContent(AMF::Object("capabilities", (double)31));
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amfReply.getContentP(2)->addContent(AMF::Object("mode", (double)1));
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amfReply.addContent(AMF::Object("")); //info
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amfReply.getContentP(3)->addContent(AMF::Object("level", "status"));
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amfReply.getContentP(3)->addContent(AMF::Object("code", "NetConnection.Connect.Success"));
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amfReply.getContentP(3)->addContent(AMF::Object("description", "Connection succeeded."));
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amfReply.getContentP(3)->addContent(AMF::Object("clientid", 1337));
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amfReply.getContentP(3)->addContent(AMF::Object("objectEncoding", objencoding));
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//amfReply.getContentP(3)->addContent(AMF::Object("data", AMF::AMF0_ECMA_ARRAY));
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//amfReply.getContentP(3)->getContentP(4)->addContent(AMF::Object("version", "3,5,4,1004"));
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sendCommand(amfReply, messageType, streamId);
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//send onBWDone packet - no clue what it is, but real server sends it...
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//amfReply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
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//amfReply.addContent(AMF::Object("", "onBWDone"));//result
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//amfReply.addContent(amfData.getContent(1));//same transaction ID
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//amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL));//null
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//sendCommand(amfReply, messageType, streamId);
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return;
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} //connect
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if (amfData.getContentP(0)->StrValue() == "createStream") {
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//send a _result reply
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AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
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amfReply.addContent(AMF::Object("", "_result")); //result success
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amfReply.addContent(amfData.getContent(1)); //same transaction ID
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amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
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amfReply.addContent(AMF::Object("", (double)1)); //stream ID - we use 1
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sendCommand(amfReply, messageType, streamId);
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myConn.Send(RTMPStream::SendUSR(0, 1)); //send UCM StreamBegin (0), stream 1
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return;
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} //createStream
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if ((amfData.getContentP(0)->StrValue() == "closeStream") || (amfData.getContentP(0)->StrValue() == "deleteStream")) {
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stop();
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return;
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}
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if ((amfData.getContentP(0)->StrValue() == "FCUnpublish") || (amfData.getContentP(0)->StrValue() == "releaseStream")) {
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// ignored
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return;
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}
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if ((amfData.getContentP(0)->StrValue() == "FCPublish")) {
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//send a FCPublic reply
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AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
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amfReply.addContent(AMF::Object("", "onFCPublish")); //status reply
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amfReply.addContent(AMF::Object("", 0, AMF::AMF0_NUMBER)); //same transaction ID
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amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
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amfReply.addContent(AMF::Object("")); //info
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amfReply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Publish.Start"));
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amfReply.getContentP(3)->addContent(AMF::Object("description", "Please followup with publish command..."));
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sendCommand(amfReply, messageType, streamId);
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return;
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} //FCPublish
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if (amfData.getContentP(0)->StrValue() == "releaseStream") {
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//send a _result reply
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AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
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amfReply.addContent(AMF::Object("", "_result")); //result success
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amfReply.addContent(amfData.getContent(1)); //same transaction ID
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amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
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amfReply.addContent(AMF::Object("", AMF::AMF0_UNDEFINED)); //stream ID?
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sendCommand(amfReply, messageType, streamId);
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return;
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}//releaseStream
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if ((amfData.getContentP(0)->StrValue() == "getStreamLength") || (amfData.getContentP(0)->StrValue() == "getMovLen")) {
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//send a _result reply
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AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
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amfReply.addContent(AMF::Object("", "_result")); //result success
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amfReply.addContent(amfData.getContent(1)); //same transaction ID
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amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
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amfReply.addContent(AMF::Object("", (double)0)); //zero length
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sendCommand(amfReply, messageType, streamId);
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return;
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} //getStreamLength
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if ((amfData.getContentP(0)->StrValue() == "publish")) {
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if (amfData.getContentP(3)) {
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streamName = amfData.getContentP(3)->StrValue();
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Util::Stream::sanitizeName(streamName);
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//pull the server configuration
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JSON::Value servConf = JSON::fromFile(Util::getTmpFolder() + "streamlist");
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if (servConf.isMember("streams") && servConf["streams"].isMember(streamName)){
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JSON::Value & streamConfig = servConf["streams"][streamName];
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if (!streamConfig.isMember("source") || streamConfig["source"].asStringRef().substr(0, 7) != "push://"){
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DEBUG_MSG(DLVL_FAIL, "Push rejected - stream not a push-able stream. (%s != push://*)", streamConfig["source"].asStringRef().c_str());
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myConn.close();
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return;
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}
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std::string source = streamConfig["source"].asStringRef().substr(7);
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std::string IP = source.substr(0, source.find('@'));
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if (IP != ""){
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if (!myConn.isAddress(IP)){
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DEBUG_MSG(DLVL_FAIL, "Push rejected - source host not whitelisted");
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myConn.close();
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return;
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}
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}
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}else{
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DEBUG_MSG(DLVL_FAIL, "Push rejected - stream not configured.");
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myConn.close();
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return;
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}
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initialize();
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}
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//send a _result reply
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AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
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amfReply.addContent(AMF::Object("", "_result")); //result success
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amfReply.addContent(amfData.getContent(1)); //same transaction ID
|
|
amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfReply.addContent(AMF::Object("", 1, AMF::AMF0_BOOL)); //publish success?
|
|
sendCommand(amfReply, messageType, streamId);
|
|
myConn.Send(RTMPStream::SendUSR(0, 1)); //send UCM StreamBegin (0), stream 1
|
|
//send a status reply
|
|
amfReply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfReply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfReply.addContent(AMF::Object("", 0, AMF::AMF0_NUMBER)); //same transaction ID
|
|
amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfReply.addContent(AMF::Object("")); //info
|
|
amfReply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Publish.Start"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("description", "Stream is now published!"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfReply, messageType, streamId);
|
|
return;
|
|
} //getStreamLength
|
|
if (amfData.getContentP(0)->StrValue() == "checkBandwidth") {
|
|
//send a _result reply
|
|
AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfReply.addContent(AMF::Object("", "_result")); //result success
|
|
amfReply.addContent(amfData.getContent(1)); //same transaction ID
|
|
amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
sendCommand(amfReply, messageType, streamId);
|
|
return;
|
|
} //checkBandwidth
|
|
if ((amfData.getContentP(0)->StrValue() == "play") || (amfData.getContentP(0)->StrValue() == "play2")) {
|
|
//set reply number and stream name, actual reply is sent up in the ss.spool() handler
|
|
int playTransaction = amfData.getContentP(1)->NumValue();
|
|
int playMessageType = messageType;
|
|
int playStreamId = streamId;
|
|
streamName = amfData.getContentP(3)->StrValue();
|
|
initialize();
|
|
|
|
//send a status reply
|
|
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfreply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfreply.addContent(AMF::Object("", (double)playTransaction)); //same transaction ID
|
|
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfreply.addContent(AMF::Object("")); //info
|
|
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Reset"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing and resetting..."));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("details", "DDV"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfreply, playMessageType, playStreamId);
|
|
//send streamisrecorded if stream, well, is recorded.
|
|
if (myMeta.vod) { //isMember("length") && Strm.metadata["length"].asInt() > 0){
|
|
myConn.Send(RTMPStream::SendUSR(4, 1)); //send UCM StreamIsRecorded (4), stream 1
|
|
}
|
|
//send streambegin
|
|
myConn.Send(RTMPStream::SendUSR(0, 1)); //send UCM StreamBegin (0), stream 1
|
|
//and more reply
|
|
amfreply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfreply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfreply.addContent(AMF::Object("", (double)playTransaction)); //same transaction ID
|
|
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfreply.addContent(AMF::Object("")); //info
|
|
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Start"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing!"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("details", "DDV"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfreply, playMessageType, playStreamId);
|
|
RTMPStream::chunk_snd_max = 102400; //100KiB
|
|
myConn.Send(RTMPStream::SendCTL(1, RTMPStream::chunk_snd_max)); //send chunk size max (msg 1)
|
|
//send dunno?
|
|
myConn.Send(RTMPStream::SendUSR(32, 1)); //send UCM no clue?, stream 1
|
|
|
|
parseData = true;
|
|
return;
|
|
} //play
|
|
if ((amfData.getContentP(0)->StrValue() == "seek")) {
|
|
//set reply number and stream name, actual reply is sent up in the ss.spool() handler
|
|
int playTransaction = amfData.getContentP(1)->NumValue();
|
|
int playMessageType = messageType;
|
|
int playStreamId = streamId;
|
|
|
|
AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfReply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfReply.addContent(amfData.getContent(1)); //same transaction ID
|
|
amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfReply.addContent(AMF::Object("")); //info
|
|
amfReply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Seek.Notify"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("description", "Seeking to the specified time"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("details", "DDV"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfReply, playMessageType, playStreamId);
|
|
seek((long long int)amfData.getContentP(3)->NumValue());
|
|
|
|
//send a status reply
|
|
AMF::Object amfreply("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfreply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfreply.addContent(AMF::Object("", (double)playTransaction)); //same transaction ID
|
|
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfreply.addContent(AMF::Object("")); //info
|
|
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Reset"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing and resetting..."));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("details", "DDV"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfreply, playMessageType, playStreamId);
|
|
//send streamisrecorded if stream, well, is recorded.
|
|
if (myMeta.vod) { //isMember("length") && Strm.metadata["length"].asInt() > 0){
|
|
myConn.Send(RTMPStream::SendUSR(4, 1)); //send UCM StreamIsRecorded (4), stream 1
|
|
}
|
|
//send streambegin
|
|
myConn.Send(RTMPStream::SendUSR(0, 1)); //send UCM StreamBegin (0), stream 1
|
|
//and more reply
|
|
amfreply = AMF::Object("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfreply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfreply.addContent(AMF::Object("", (double)playTransaction)); //same transaction ID
|
|
amfreply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfreply.addContent(AMF::Object("")); //info
|
|
amfreply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Play.Start"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("description", "Playing!"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("details", "DDV"));
|
|
amfreply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfreply, playMessageType, playStreamId);
|
|
RTMPStream::chunk_snd_max = 102400; //100KiB
|
|
myConn.Send(RTMPStream::SendCTL(1, RTMPStream::chunk_snd_max)); //send chunk size max (msg 1)
|
|
//send dunno?
|
|
myConn.Send(RTMPStream::SendUSR(32, 1)); //send UCM no clue?, stream 1
|
|
|
|
return;
|
|
} //seek
|
|
if ((amfData.getContentP(0)->StrValue() == "pauseRaw") || (amfData.getContentP(0)->StrValue() == "pause")) {
|
|
if (amfData.getContentP(3)->NumValue()) {
|
|
parseData = false;
|
|
//send a status reply
|
|
AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfReply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfReply.addContent(amfData.getContent(1)); //same transaction ID
|
|
amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfReply.addContent(AMF::Object("")); //info
|
|
amfReply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Pause.Notify"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("description", "Pausing playback"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("details", "DDV"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfReply, playMessageType, playStreamId);
|
|
} else {
|
|
parseData = true;
|
|
//send a status reply
|
|
AMF::Object amfReply("container", AMF::AMF0_DDV_CONTAINER);
|
|
amfReply.addContent(AMF::Object("", "onStatus")); //status reply
|
|
amfReply.addContent(amfData.getContent(1)); //same transaction ID
|
|
amfReply.addContent(AMF::Object("", (double)0, AMF::AMF0_NULL)); //null - command info
|
|
amfReply.addContent(AMF::Object("")); //info
|
|
amfReply.getContentP(3)->addContent(AMF::Object("level", "status"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("code", "NetStream.Unpause.Notify"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("description", "Resuming playback"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("details", "DDV"));
|
|
amfReply.getContentP(3)->addContent(AMF::Object("clientid", (double)1337));
|
|
sendCommand(amfReply, playMessageType, playStreamId);
|
|
}
|
|
return;
|
|
} //seek
|
|
|
|
#if DEBUG >= 2
|
|
fprintf(stderr, "AMF0 command not processed!\n%s\n", amfData.Print().c_str());
|
|
#endif
|
|
} //parseAMFCommand
|
|
|
|
void OutRTMP::bufferPacket(JSON::Value & pack){
|
|
if (!trackMap.count(pack["trackid"].asInt())){
|
|
//declined track;
|
|
return;
|
|
}
|
|
if (myMeta.tracks[pack["trackid"].asInt()].type != "video"){
|
|
if ((pack["time"].asInt() - bookKeeping[trackMap[pack["trackid"].asInt()]].lastKeyTime) >= 5000){
|
|
pack["keyframe"] = 1LL;
|
|
bookKeeping[trackMap[pack["trackid"].asInt()]].lastKeyTime = pack["time"].asInt();
|
|
}
|
|
}
|
|
pack["trackid"] = trackMap[pack["trackid"].asInt()];
|
|
long long unsigned int tNum = pack["trackid"].asInt();
|
|
if (!bookKeeping.count(tNum)){
|
|
return;
|
|
}
|
|
int pageNum = bookKeeping[tNum].pageNum;
|
|
std::string tmp = pack.toNetPacked();
|
|
if (bookKeeping[tNum].curOffset > 8388608 && pack.isMember("keyframe") && pack["keyframe"]){
|
|
Util::sleep(500);
|
|
//open new page
|
|
char nextPage[100];
|
|
sprintf(nextPage, "%s%llu_%d", streamName.c_str(), tNum, bookKeeping[tNum].pageNum + bookKeeping[tNum].keyNum);
|
|
curPages[tNum].init(nextPage, 26 * 1024 * 1024);
|
|
bookKeeping[tNum].pageNum += bookKeeping[tNum].keyNum;
|
|
bookKeeping[tNum].keyNum = 0;
|
|
bookKeeping[tNum].curOffset = 0;
|
|
}
|
|
if (bookKeeping[tNum].curOffset + tmp.size() < curPages[tNum].len){
|
|
bookKeeping[tNum].keyNum += (pack.isMember("keyframe") && pack["keyframe"]);
|
|
memcpy(curPages[tNum].mapped + bookKeeping[tNum].curOffset, tmp.data(), tmp.size());
|
|
bookKeeping[tNum].curOffset += tmp.size();
|
|
}else{
|
|
bookKeeping[tNum].curOffset += tmp.size();
|
|
DEBUG_MSG(DLVL_WARN, "Can't buffer frame on page %d, track %llu, time %lld, keyNum %d, offset %llu", pageNum, tNum, pack["time"].asInt(), bookKeeping[tNum].pageNum + bookKeeping[tNum].keyNum, bookKeeping[tNum].curOffset);
|
|
///\todo Open next page plx
|
|
}
|
|
playerConn.keepAlive();
|
|
}
|
|
|
|
|
|
void OutRTMP::negotiatePushTracks() {
|
|
char * tmp = playerConn.getData();
|
|
if (!tmp){
|
|
DEBUG_MSG(DLVL_FAIL, "No userpage allocated");
|
|
return;
|
|
}
|
|
memset(tmp, 0, 30);
|
|
unsigned int i = 0;
|
|
for (std::map<int, DTSC::Track>::iterator it = meta_out.tracks.begin(); it != meta_out.tracks.end() && i < 5; it++){
|
|
DEBUG_MSG(DLVL_DEVEL, "Negotiating tracknum for id %d", it->first);
|
|
(tmp + 6 * i)[0] = 0x80;
|
|
(tmp + 6 * i)[1] = 0x00;
|
|
(tmp + 6 * i)[2] = 0x00;
|
|
(tmp + 6 * i)[3] = 0x00;
|
|
(tmp + 6 * i)[4] = (it->first >> 8) & 0xFF;
|
|
(tmp + 6 * i)[5] = (it->first) & 0xFF;
|
|
i++;
|
|
}
|
|
playerConn.keepAlive();
|
|
bool gotAllNumbers = false;
|
|
while (!gotAllNumbers){
|
|
Util::sleep(100);
|
|
gotAllNumbers = true;
|
|
i = 0;
|
|
for (std::map<int, DTSC::Track>::iterator it = meta_out.tracks.begin(); it != meta_out.tracks.end() && i < 5; it++){
|
|
unsigned long tNum = (((long)(tmp + (6 * i))[0]) << 24) | (((long)(tmp + (6 * i))[1]) << 16) | (((long)(tmp + (6 * i))[2]) << 8) | (long)(tmp + (6 * i))[3];
|
|
unsigned short oldNum = (((long)(tmp + (6 * i))[4]) << 8) | (long)(tmp + (6 * i))[5];
|
|
if( tNum & 0x80000000){
|
|
gotAllNumbers = false;
|
|
break;
|
|
}else{
|
|
DEBUG_MSG(DLVL_DEVEL, "Mapped %d -> %lu", oldNum, tNum);
|
|
trackMap[oldNum] = tNum;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
for (std::map<int, int>::iterator it = trackMap.begin(); it != trackMap.end(); it++){
|
|
char tmp[100];
|
|
sprintf( tmp, "liveStream_%s%d", streamName.c_str(), it->second);
|
|
metaPages[it->second].init(std::string(tmp), 8 * 1024 * 1024);
|
|
DTSC::Meta tmpMeta = meta_out;
|
|
tmpMeta.tracks.clear();
|
|
tmpMeta.tracks[it->second] = meta_out.tracks[it->first];
|
|
tmpMeta.tracks[it->second].trackID = it->second;
|
|
JSON::Value tmpVal = tmpMeta.toJSON();
|
|
std::string tmpStr = tmpVal.toNetPacked();
|
|
memcpy(metaPages[it->second].mapped, tmpStr.data(), tmpStr.size());
|
|
DEBUG_MSG(DLVL_DEVEL, "Written meta for track %d", it->second);
|
|
}
|
|
gotAllNumbers = false;
|
|
while (!gotAllNumbers){
|
|
Util::sleep(100);
|
|
gotAllNumbers = true;
|
|
i = 0;
|
|
unsigned int j = 0;
|
|
//update Metadata;
|
|
JSON::Value jsonMeta;
|
|
JSON::fromDTMI((const unsigned char*)streamIndex.mapped + 8, streamIndex.len - 8, j, jsonMeta);
|
|
myMeta = DTSC::Meta(jsonMeta);
|
|
tmp = playerConn.getData();
|
|
for (std::map<int, DTSC::Track>::iterator it = meta_out.tracks.begin(); it != meta_out.tracks.end() && i < 5; it++){
|
|
unsigned long tNum = (((long)(tmp + (6 * i))[0]) << 24) | (((long)(tmp + (6 * i))[1]) << 16) | (((long)(tmp + (6 * i))[2]) << 8) | (long)(tmp + (6 * i))[3];
|
|
if( tNum == 0xFFFFFFFF){
|
|
DEBUG_MSG(DLVL_DEVEL, "Skipping a declined track");
|
|
i++;
|
|
continue;
|
|
}
|
|
if(!myMeta.tracks.count(tNum)){
|
|
gotAllNumbers = false;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
i = 0;
|
|
tmp = playerConn.getData();
|
|
for (std::map<int, DTSC::Track>::iterator it = meta_out.tracks.begin(); it != meta_out.tracks.end() && i < 5; it++){
|
|
unsigned long tNum = ((long)(tmp[6*i]) << 24) | ((long)(tmp[6 * i + 1]) << 16) | ((long)(tmp[6 * i + 2]) << 8) | tmp[6 * i + 3];
|
|
if( tNum == 0xFFFFFFFF){
|
|
tNum = ((long)(tmp[6 * i + 4]) << 8) | (long)tmp[6 * i + 5];
|
|
DEBUG_MSG(DLVL_WARN, "Buffer declined track %i", trackMap[tNum]);
|
|
trackMap.erase(tNum);
|
|
tmp[6*i] = 0;
|
|
tmp[6*i+1] = 0;
|
|
tmp[6*i+2] = 0;
|
|
tmp[6*i+3] = 0;
|
|
tmp[6*i+4] = 0;
|
|
tmp[6*i+5] = 0;
|
|
}else{
|
|
char firstPage[100];
|
|
sprintf(firstPage, "%s%lu_%d", streamName.c_str(), tNum, 0);
|
|
curPages[tNum].init(firstPage, 8 * 1024 * 1024);
|
|
bookKeeping[tNum] = DTSCPageData();
|
|
DEBUG_MSG(DLVL_WARN, "Buffer accepted track %lu", tNum);
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
|
|
///\brief Gets and parses one RTMP chunk at a time.
|
|
///\param inputBuffer A buffer filled with chunk data.
|
|
void OutRTMP::parseChunk(Socket::Buffer & inputBuffer) {
|
|
//for DTSC conversion
|
|
static std::stringstream prebuffer; // Temporary buffer before sending real data
|
|
//for chunk parsing
|
|
static RTMPStream::Chunk next;
|
|
static FLV::Tag F;
|
|
static AMF::Object amfdata("empty", AMF::AMF0_DDV_CONTAINER);
|
|
static AMF::Object amfelem("empty", AMF::AMF0_DDV_CONTAINER);
|
|
static AMF::Object3 amf3data("empty", AMF::AMF3_DDV_CONTAINER);
|
|
static AMF::Object3 amf3elem("empty", AMF::AMF3_DDV_CONTAINER);
|
|
|
|
while (next.Parse(inputBuffer)) {
|
|
|
|
//send ACK if we received a whole window
|
|
if ((RTMPStream::rec_cnt - RTMPStream::rec_window_at > RTMPStream::rec_window_size)) {
|
|
RTMPStream::rec_window_at = RTMPStream::rec_cnt;
|
|
myConn.Send(RTMPStream::SendCTL(3, RTMPStream::rec_cnt)); //send ack (msg 3)
|
|
}
|
|
|
|
switch (next.msg_type_id) {
|
|
case 0: //does not exist
|
|
#if DEBUG >= 2
|
|
fprintf(stderr, "UNKN: Received a zero-type message. Possible data corruption? Aborting!\n");
|
|
#endif
|
|
while (inputBuffer.size()) {
|
|
inputBuffer.get().clear();
|
|
}
|
|
stop();
|
|
myConn.close();
|
|
break; //happens when connection breaks unexpectedly
|
|
case 1: //set chunk size
|
|
RTMPStream::chunk_rec_max = ntohl(*(int *)next.data.c_str());
|
|
#if DEBUG >= 5
|
|
fprintf(stderr, "CTRL: Set chunk size: %i\n", RTMPStream::chunk_rec_max);
|
|
#endif
|
|
break;
|
|
case 2: //abort message - we ignore this one
|
|
#if DEBUG >= 5
|
|
fprintf(stderr, "CTRL: Abort message\n");
|
|
#endif
|
|
//4 bytes of stream id to drop
|
|
break;
|
|
case 3: //ack
|
|
#if DEBUG >= 8
|
|
fprintf(stderr, "CTRL: Acknowledgement\n");
|
|
#endif
|
|
RTMPStream::snd_window_at = ntohl(*(int *)next.data.c_str());
|
|
RTMPStream::snd_window_at = RTMPStream::snd_cnt;
|
|
break;
|
|
case 4: {
|
|
//2 bytes event type, rest = event data
|
|
//types:
|
|
//0 = stream begin, 4 bytes ID
|
|
//1 = stream EOF, 4 bytes ID
|
|
//2 = stream dry, 4 bytes ID
|
|
//3 = setbufferlen, 4 bytes ID, 4 bytes length
|
|
//4 = streamisrecorded, 4 bytes ID
|
|
//6 = pingrequest, 4 bytes data
|
|
//7 = pingresponse, 4 bytes data
|
|
//we don't need to process this
|
|
#if DEBUG >= 5
|
|
short int ucmtype = ntohs(*(short int *)next.data.c_str());
|
|
switch (ucmtype) {
|
|
case 0:
|
|
fprintf(stderr, "CTRL: UCM StreamBegin %i\n", ntohl(*((int *)(next.data.c_str() + 2))));
|
|
break;
|
|
case 1:
|
|
fprintf(stderr, "CTRL: UCM StreamEOF %i\n", ntohl(*((int *)(next.data.c_str() + 2))));
|
|
break;
|
|
case 2:
|
|
fprintf(stderr, "CTRL: UCM StreamDry %i\n", ntohl(*((int *)(next.data.c_str() + 2))));
|
|
break;
|
|
case 3:
|
|
fprintf(stderr, "CTRL: UCM SetBufferLength %i %i\n", ntohl(*((int *)(next.data.c_str() + 2))), ntohl(*((int *)(next.data.c_str() + 6))));
|
|
break;
|
|
case 4:
|
|
fprintf(stderr, "CTRL: UCM StreamIsRecorded %i\n", ntohl(*((int *)(next.data.c_str() + 2))));
|
|
break;
|
|
case 6:
|
|
fprintf(stderr, "CTRL: UCM PingRequest %i\n", ntohl(*((int *)(next.data.c_str() + 2))));
|
|
break;
|
|
case 7:
|
|
fprintf(stderr, "CTRL: UCM PingResponse %i\n", ntohl(*((int *)(next.data.c_str() + 2))));
|
|
break;
|
|
default:
|
|
fprintf(stderr, "CTRL: UCM Unknown (%hi)\n", ucmtype);
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case 5: //window size of other end
|
|
#if DEBUG >= 5
|
|
fprintf(stderr, "CTRL: Window size\n");
|
|
#endif
|
|
RTMPStream::rec_window_size = ntohl(*(int *)next.data.c_str());
|
|
RTMPStream::rec_window_at = RTMPStream::rec_cnt;
|
|
myConn.Send(RTMPStream::SendCTL(3, RTMPStream::rec_cnt)); //send ack (msg 3)
|
|
break;
|
|
case 6:
|
|
#if DEBUG >= 5
|
|
fprintf(stderr, "CTRL: Set peer bandwidth\n");
|
|
#endif
|
|
//4 bytes window size, 1 byte limit type (ignored)
|
|
RTMPStream::snd_window_size = ntohl(*(int *)next.data.c_str());
|
|
myConn.Send(RTMPStream::SendCTL(5, RTMPStream::snd_window_size)); //send window acknowledgement size (msg 5)
|
|
break;
|
|
case 8: //audio data
|
|
case 9: //video data
|
|
case 18: {//meta data
|
|
if (!isInitialized) {
|
|
DEBUG_MSG(DLVL_MEDIUM, "Received useless media data\n");
|
|
myConn.close();
|
|
break;
|
|
}
|
|
if (streamReset) {
|
|
//reset push data to empty, in case stream properties change
|
|
meta_out.reset();
|
|
preBuf.clear();
|
|
sending = false;
|
|
counter = 0;
|
|
streamReset = false;
|
|
}
|
|
F.ChunkLoader(next);
|
|
JSON::Value pack_out = F.toJSON(meta_out);
|
|
if ( !pack_out.isNull()){
|
|
if ( !sending){
|
|
counter++;
|
|
if (counter > 8){
|
|
sending = true;
|
|
negotiatePushTracks();
|
|
for (std::deque<JSON::Value>::iterator it = preBuf.begin(); it != preBuf.end(); it++){
|
|
bufferPacket((*it));
|
|
}
|
|
preBuf.clear(); //clear buffer
|
|
bufferPacket(pack_out);
|
|
}else{
|
|
preBuf.push_back(pack_out);
|
|
}
|
|
}else{
|
|
bufferPacket(pack_out);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 15:
|
|
DEBUG_MSG(DLVL_MEDIUM, "Received AMF3 data message");
|
|
break;
|
|
case 16:
|
|
DEBUG_MSG(DLVL_MEDIUM, "Received AMF3 shared object");
|
|
break;
|
|
case 17: {
|
|
DEBUG_MSG(DLVL_MEDIUM, "Received AMF3 command message");
|
|
if (next.data[0] != 0) {
|
|
next.data = next.data.substr(1);
|
|
amf3data = AMF::parse3(next.data);
|
|
#if DEBUG >= 5
|
|
amf3data.Print();
|
|
#endif
|
|
} else {
|
|
DEBUG_MSG(DLVL_MEDIUM, "Received AMF3-0 command message");
|
|
next.data = next.data.substr(1);
|
|
amfdata = AMF::parse(next.data);
|
|
parseAMFCommand(amfdata, 17, next.msg_stream_id);
|
|
} //parsing AMF0-style
|
|
}
|
|
break;
|
|
case 19:
|
|
DEBUG_MSG(DLVL_MEDIUM, "Received AMF0 shared object");
|
|
break;
|
|
case 20: { //AMF0 command message
|
|
amfdata = AMF::parse(next.data);
|
|
parseAMFCommand(amfdata, 20, next.msg_stream_id);
|
|
}
|
|
break;
|
|
case 22:
|
|
DEBUG_MSG(DLVL_MEDIUM, "Received aggregate message");
|
|
break;
|
|
default:
|
|
DEBUG_MSG(DLVL_FAIL, "Unknown chunk received! Probably protocol corruption, stopping parsing of incoming data.");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|