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cRingBufferLinear::Read() will return 0 either if EOF is encountered

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or if the buffer is full. We need to check the buffer space to distinguish
these two cases (#307).
This commit is contained in:
schmirl 2007-05-30 14:20:14 +00:00
parent bb1ac54c87
commit 60b44caf3d
1 changed files with 7 additions and 2 deletions
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9
remux/extern.c
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@ -118,7 +118,12 @@ void cTSExt::Action(void)
if (FD_ISSET(m_Outpipe, &rfds)) {
int result;
if ((result = m_ResultBuffer->Read(m_Outpipe)) == -1) {
//Read returns 0 if buffer full or EOF
bool bufferFull = m_ResultBuffer->Free() <= 0; //Free may be < 0
while ((result = m_ResultBuffer->Read(m_Outpipe)) == 0 && bufferFull)
dsyslog("streamdev-server: buffer full while reading from externremux");
if (result == -1) {
if (errno != EINTR) {
LOG_ERROR_STR("read failed");
m_Active = false;
@ -149,7 +154,7 @@ cExternRemux::cExternRemux(int VPid, const int *APids, const int *Dpids, const i
m_ResultBuffer(new cRingBufferLinear(WRITERBUFSIZE, TS_SIZE * 2)),
m_Remux(new cTSExt(m_ResultBuffer))
{
m_ResultBuffer->SetTimeouts(0, 100);
m_ResultBuffer->SetTimeouts(500, 100);
}
cExternRemux::~cExternRemux()