vdr-plugin-streamdev/remux/ts2es.c

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2004-12-30 23:43:55 +01:00
#include "remux/ts2es.h"
#include "common.h"
// from VDR's remux.c
#define MAXNONUSEFULDATA (10*1024*1024)
class cTS2ES: public ipack {
friend void PutES(uint8_t *Buffer, int Size, void *Data);
private:
uint8_t *m_ResultBuffer;
int *m_ResultCount;
public:
cTS2ES(uint8_t *ResultBuffer, int *ResultCount);
~cTS2ES();
void PutTSPacket(const uint8_t *Buffer);
};
void PutES(uint8_t *Buffer, int Size, void *Data) {
cTS2ES *This = (cTS2ES*)Data;
uint8_t payl = Buffer[8] + 9 + This->start - 1;
int count = Size - payl;
if (*This->m_ResultCount + count > RESULTBUFFERSIZE) {
esyslog("ERROR: result buffer overflow (%d + %d > %d)",
*This->m_ResultCount, count, RESULTBUFFERSIZE);
count = RESULTBUFFERSIZE - *This->m_ResultCount;
}
memcpy(This->m_ResultBuffer + *This->m_ResultCount, Buffer + payl, count);
*This->m_ResultCount += count;
This->start = 1;
}
cTS2ES::cTS2ES(uint8_t *ResultBuffer, int *ResultCount) {
m_ResultBuffer = ResultBuffer;
m_ResultCount = ResultCount;
init_ipack(this, IPACKS, PutES, 0);
data = (void*)this;
}
cTS2ES::~cTS2ES() {
}
void cTS2ES::PutTSPacket(const uint8_t *Buffer) {
if (!Buffer)
return;
if (Buffer[1] & 0x80) { // ts error
// TODO
}
if (Buffer[1] & 0x40) { // payload start
if (plength == MMAX_PLENGTH - 6) {
plength = found - 6;
found = 0;
send_ipack(this);
reset_ipack(this);
}
}
uint8_t off = 0;
if (Buffer[3] & 0x20) { // adaptation field?
off = Buffer[4] + 1;
if (off + 4 > TS_SIZE - 1)
return;
}
instant_repack((uint8_t*)(Buffer + 4 + off), TS_SIZE - 4 - off, this);
}
cTS2ESRemux::cTS2ESRemux(int Pid):
cTSRemux(false) {
m_Pid = Pid;
m_Remux = new cTS2ES(m_ResultBuffer, &m_ResultCount);
}
cTS2ESRemux::~cTS2ESRemux() {
delete m_Remux;
}
void cTS2ESRemux::PutTSPacket(int Pid, const uint8_t *Data) {
if (Pid == m_Pid) m_Remux->PutTSPacket(Data);
}