hydrar/mistserver
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Improved parsing of chunks, replying to most messages, accepting of connect command

Browse source
This commit is contained in:
Thulinma 2010-07-28 20:44:56 +02:00
parent d642d2f111
commit 3a3bd060be
4 changed files with 256 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

97
Connector_RTMP/parsechunks.cpp Normal file
View file

@ -0,0 +1,97 @@
#include "chunkstream.cpp" //chunkstream decoding
#include "amf.cpp" //simple AMF0 parsing
//gets and parses one chunk
void parseChunk(){
static chunkpack next;
static std::vector<AMFType> * amfdata = 0;
static AMFType * amfelem = 0;
static int tmpint;
next = getWholeChunk();
if (next.cs_id == 2 && next.msg_stream_id == 0){
fprintf(stderr, "Received protocol message. (cs_id 2, stream id 0)\nContents:\n");
fwrite(next.data, 1, next.real_len, stderr);
fflush(stderr);
}
switch (next.msg_type_id){
case 0://does not exist
break;//happens when connection breaks unexpectedly
case 1://set chunk size
chunk_rec_max = ntohl(*(int*)next.data);
fprintf(stderr, "CTRL: Set chunk size: %i\n", chunk_rec_max);
break;
case 2://abort message - we ignore this one
fprintf(stderr, "CTRL: Abort message\n");
//4 bytes of stream id to drop
break;
case 3://ack
fprintf(stderr, "CTRL: Acknowledgement\n");
snd_window_at = ntohl(*(int*)next.data);
//maybe better? snd_window_at = snd_cnt;
break;
case 4:
fprintf(stderr, "CTRL: User control message\n");
//2 bytes event type, rest = event data
//TODO: process this
break;
case 5://window size of other end
fprintf(stderr, "CTRL: Window size\n");
rec_window_size = ntohl(*(int*)next.data);
break;
case 6:
fprintf(stderr, "CTRL: Set peer bandwidth\n");
//4 bytes window size, 1 byte limit type (ignored)
snd_window_size = ntohl(*(int*)next.data);
SendCTL(5, snd_window_size);//send window acknowledgement size (msg 5)
break;
case 8:
fprintf(stderr, "Received audio data\n");
break;
case 9:
fprintf(stderr, "Received video data\n");
break;
case 15:
fprintf(stderr, "Received AFM3 data message\n");
break;
case 16:
fprintf(stderr, "Received AFM3 shared object\n");
break;
case 17:
fprintf(stderr, "Received AFM3 command message\n");
break;
case 18:
fprintf(stderr, "Received AFM0 data message\n");
break;
case 19:
fprintf(stderr, "Received AFM0 shared object\n");
break;
case 20:
if (amfdata != 0){delete amfdata;}
amfdata = parseAMF(next.data, next.real_len);
fprintf(stderr, "Received AFM0 command message: %s\n", (*amfdata)[0].StrValue().c_str());
if ((*amfdata)[0].StrValue() == "connect"){
tmpint = getAMF(amfdata, "videoCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "Sorensen video support detected\n");}
if (tmpint & 0x80){fprintf(stderr, "H264 video support detected\n");}
tmpint = getAMF(amfdata, "audioCodecs")->NumValue();
if (tmpint & 0x04){fprintf(stderr, "MP3 audio support detected\n");}
if (tmpint & 0x400){fprintf(stderr, "AAC video support detected\n");}
SendCTL(5, snd_window_size);//send window acknowledgement size (msg 5)
SendCTL(5, rec_window_size, 1);//send peer bandwidth (msg 6)
SendUSR(0, 10);//send UCM StreamBegin (0), stream 10 (we use this number)
//send AFM0 (20) {_result, 1, {properties}, {info}}
}else{
//call, close, createStream
//TODO: play (&& play2?)
fprintf(stderr, "Ignored AFM0 command.\n");
}
break;
case 22:
fprintf(stderr, "Received aggregate message\n");
break;
default:
fprintf(stderr, "Unknown chunk received!\n");
break;
}
}//parseChunk