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Refactoring naar common bases - also, werkende RTMP streaming! Jammer dat er nog maar 1 frame wordt verwerkt... maar het werkt!

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Thulinma 2010-07-30 02:45:10 +02:00
parent f4c02f33d8
commit 2d0aafc179
27 changed files with 159 additions and 1594 deletions
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69
util/flv.cpp Normal file
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#include <unistd.h> //for read()
struct FLV_Pack {
int len;
int buf;
char * data;
};//FLV_Pack
char FLVHeader[13];
//reads full length from a file descriptor
void Magic_Read(char * buf, int len, int file){
int i = 0;
while (i < len) i += read(file, buf, len-i);
}
//reads a FLV header and checks for correctness
//returns true if everything is alright, false otherwise
bool FLV_Readheader(int file){
Magic_Read(FLVHeader,13,file);
if (FLVHeader[0] != 'F') return false;
if (FLVHeader[1] != 'L') return false;
if (FLVHeader[2] != 'V') return false;
if (FLVHeader[8] != 0x09) return false;
if (FLVHeader[9] != 0) return false;
if (FLVHeader[10] != 0) return false;
if (FLVHeader[11] != 0) return false;
if (FLVHeader[12] != 0) return false;
return true;
}//FLV_Readheader
bool FLV_Readheader(){
fread(FLVHeader,1,13,stdin);
if (FLVHeader[0] != 'F') return false;
if (FLVHeader[1] != 'L') return false;
if (FLVHeader[2] != 'V') return false;
if (FLVHeader[8] != 0x09) return false;
if (FLVHeader[9] != 0) return false;
if (FLVHeader[10] != 0) return false;
if (FLVHeader[11] != 0) return false;
if (FLVHeader[12] != 0) return false;
return true;
}//FLV_Readheader
//gets a packet, storing in given FLV_Pack pointer.
//will assign pointer if null
//resizes FLV_Pack data field bigger if data doesn't fit
// (does not auto-shrink for speed!)
void FLV_GetPacket(FLV_Pack *& p, int file){
if (!p){p = (FLV_Pack*)calloc(1, sizeof(FLV_Pack));}
if (p->buf < 15){p->data = (char*)realloc(p->data, 15); p->buf = 15;}
Magic_Read(p->data,11,file);
p->len = p->data[3] + 15;
p->len += (p->data[2] << 8);
p->len += (p->data[1] << 16);
if (p->buf < p->len){p->data = (char*)realloc(p->data, p->len);}
Magic_Read(p->data+11,p->len-11,file);
}//FLV_GetPacket
void FLV_GetPacket(FLV_Pack *& p){
if (!p){p = (FLV_Pack*)calloc(1, sizeof(FLV_Pack));}
if (p->buf < 15){p->data = (char*)realloc(p->data, 15); p->buf = 15;}
fread(p->data,1,11,stdin);
p->len = p->data[3] + 15;
p->len += (p->data[2] << 8);
p->len += (p->data[1] << 16);
if (p->buf < p->len){p->data = (char*)realloc(p->data, p->len);}
fread(p->data+11,1,p->len-11,stdin);
}//FLV_GetPacket