void StreamHandler::UpdateListeningForEIT(void)
{
vector<uint> add_eit, del_eit;
QMutexLocker read_locker(&_listener_lock);
StreamDataList::const_iterator it = _stream_data_list.begin();
for (; it != _stream_data_list.end(); ++it)
{
MPEGStreamData *sd = it.key();
if (sd->HasEITPIDChanges(_eit_pids) &&
sd->GetEITPIDChanges(_eit_pids, add_eit, del_eit))
{
for (uint i = 0; i < del_eit.size(); i++)
{
uint_vec_t::iterator it;
it = find(_eit_pids.begin(), _eit_pids.end(), del_eit[i]);
if (it != _eit_pids.end())
_eit_pids.erase(it);
sd->RemoveListeningPID(del_eit[i]);
}
for (uint i = 0; i < add_eit.size(); i++)
{
_eit_pids.push_back(add_eit[i]);
sd->AddListeningPID(add_eit[i]);
}
}
}
}
/** \fn DVBStreamHandler::RunSR(void)
* \brief Uses "Section" reader to read a DVB device for tables
*
* This currently only supports DVB streams, ATSC and the raw MPEG
* streams used by some cable and satelite providers is not supported.
*/
void DVBStreamHandler::RunSR(void)
{
int buffer_size = 4192; // maximum size of Section we handle
unsigned char *buffer = new unsigned char[buffer_size];
if (!buffer)
{
_error = true;
return;
}
SetRunning(true, _needs_buffering, true);
LOG(VB_RECORD, LOG_INFO, LOC + "RunSR(): begin");
while (_running_desired && !_error)
{
RetuneMonitor();
UpdateFiltersFromStreamData();
QMutexLocker read_locker(&_pid_lock);
bool readSomething = false;
PIDInfoMap::const_iterator fit = _pid_info.begin();
for (; fit != _pid_info.end(); ++fit)
{
int len = read((*fit)->filter_fd, buffer, buffer_size);
if (len <= 0)
continue;
readSomething = true;
const PESPacket pes = PESPacket::ViewData(buffer);
const PSIPTable psip(pes);
if (psip.SectionSyntaxIndicator())
{
_listener_lock.lock();
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
sit.key()->HandleTables(fit.key() /* pid */, psip);
_listener_lock.unlock();
}
}
if (!readSomething)
usleep(3000);
}
LOG(VB_RECORD, LOG_INFO, LOC + "RunSR(): " + "shutdown");
RemoveAllPIDFilters();
delete[] buffer;
SetRunning(false, _needs_buffering, true);
LOG(VB_RECORD, LOG_INFO, LOC + "RunSR(): " + "end");
}
bool StreamHandler::UpdateFiltersFromStreamData(void)
{
UpdateListeningForEIT();
pid_map_t pids;
{
QMutexLocker read_locker(&_listener_lock);
StreamDataList::const_iterator it = _stream_data_list.begin();
for (; it != _stream_data_list.end(); ++it)
it.key()->GetPIDs(pids);
}
QMap<uint, PIDInfo*> add_pids;
vector<uint> del_pids;
{
QMutexLocker read_locker(&_pid_lock);
// PIDs that need to be added..
pid_map_t::const_iterator lit = pids.constBegin();
for (; lit != pids.constEnd(); ++lit)
{
if (*lit && (_pid_info.find(lit.key()) == _pid_info.end()))
{
add_pids[lit.key()] = CreatePIDInfo(
lit.key(), StreamID::PrivSec, 0);
}
}
// PIDs that need to be removed..
PIDInfoMap::const_iterator fit = _pid_info.begin();
for (; fit != _pid_info.end(); ++fit)
{
bool in_pids = pids.find(fit.key()) != pids.end();
if (!in_pids)
del_pids.push_back(fit.key());
}
}
// Remove PIDs
bool ok = true;
vector<uint>::iterator dit = del_pids.begin();
for (; dit != del_pids.end(); ++dit)
ok &= RemovePIDFilter(*dit);
// Add PIDs
QMap<uint, PIDInfo*>::iterator ait = add_pids.begin();
for (; ait != add_pids.end(); ++ait)
ok &= AddPIDFilter(*ait);
// Cycle filters if it's been a while
if (_cycle_timer.elapsed() > 1000)
CycleFiltersByPriority();
return ok;
}
PIDPriority StreamHandler::GetPIDPriority(uint pid) const
{
QMutexLocker reading_locker(&_listener_lock);
PIDPriority tmp = kPIDPriorityNone;
StreamDataList::const_iterator it = _stream_data_list.begin();
for (; it != _stream_data_list.end(); ++it)
tmp = max(tmp, it.key()->GetPIDPriority(pid));
return tmp;
}
bool ExternalStreamHandler::StartStreaming(bool flush_buffer)
{
QString result;
QMutexLocker locker(&m_stream_lock);
LOG(VB_RECORD, LOG_INFO, LOC +
QString("StartStreaming with %1 current listeners")
.arg(StreamingCount()));
if (!IsOpen())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "External recorder not started.");
return false;
}
if (StreamingCount() == 0)
{
if (flush_buffer)
{
/* If the input is not a 'broadcast' it may only one have
* copy of the SPS right at the beginning of the stream,
* so make sure we don't miss it!
*/
QMutexLocker listen_lock(&_listener_lock);
if (!_stream_data_list.empty())
{
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
sit.key()->ProcessData(reinterpret_cast<const uint8_t *>
(m_replay_buffer.constData()),
m_replay_buffer.size());
}
LOG(VB_RECORD, LOG_INFO, LOC + QString("Replayed %1 bytes")
.arg(m_replay_buffer.size()));
m_replay_buffer.clear();
m_replay = false;
}
if (!ProcessCommand("StartStreaming", 5000, result))
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("StartStreaming failed: '%1'")
.arg(result));
if (!result.startsWith("Warn"))
{
_error = true;
m_error = QString("StartStreaming failed: '%1'").arg(result);
}
return false;
}
if (result != "OK:Started")
{
LOG(VB_GENERAL, LOG_WARNING, LOC +
QString("StartStreaming failed: '%1'").arg(result));
return false;
}
LOG(VB_RECORD, LOG_INFO, LOC + "Streaming started");
}
else
LOG(VB_RECORD, LOG_INFO, LOC + "Already streaming");
m_streaming_cnt.ref();
LOG(VB_RECORD, LOG_INFO, LOC +
QString("StartStreaming %1 listeners")
.arg(StreamingCount()));
return true;
}
void ExternalStreamHandler::run(void)
{
QString cmd;
QString result;
QString xon;
QByteArray buffer;
uint len;
RunProlog();
LOG(VB_RECORD, LOG_INFO, LOC + "run(): begin");
SetRunning(true, true, false);
if (m_poll_mode)
xon = QString("SendBytes:%1").arg(PACKET_SIZE);
else
xon = "XON";
uint remainder = 0;
while (_running_desired && !_error)
{
if (!IsOpen())
{
if (!Open())
{
LOG(VB_RECORD, LOG_WARNING, LOC + QString("TS not open yet: %1")
.arg(m_error));
usleep(750000);
continue;
}
}
if (StreamingCount() == 0)
{
usleep(5000);
continue;
}
UpdateFiltersFromStreamData();
ProcessCommand(xon, 1000, result);
if (result.startsWith("ERR"))
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("Aborting: %1 -> %2")
.arg(xon).arg(result));
_error = true;
}
while ((len = m_IO->Read(buffer, PACKET_SIZE, 10)) > 0 ||
buffer.size() > 188*50)
{
if (m_IO->Error())
{
m_error = m_IO->ErrorString();
_error = true;
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Failed to read from Extern recorder: %1")
.arg(m_error));
break;
}
if (!_running_desired)
break;
if (!_listener_lock.tryLock())
continue;
if (_stream_data_list.empty())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "_stream_data_list is empty");
_listener_lock.unlock();
continue;
}
if (!m_poll_mode)
{
ProcessCommand(QString("XOFF"), 50, result);
if (result.startsWith("ERR"))
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("Aborting: %1 -> %2")
.arg(xon).arg(result));
_error = true;
}
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData
(reinterpret_cast<const uint8_t *>
(buffer.constData()), buffer.size());
_listener_lock.unlock();
len = buffer.size();
if (m_replay)
{
m_replay_buffer += buffer.left(len - remainder);
if (m_replay_buffer.size() > (5000 * PACKET_SIZE))
{
m_replay_buffer.remove(0, len - remainder);
LOG(VB_RECORD, LOG_WARNING, LOC +
QString("Replay size truncated to %1 bytes")
.arg(m_replay_buffer.size()));
}
}
if (remainder > 0 && (len > remainder)) // leftover bytes
buffer.remove(0, len - remainder);
else
buffer.clear();
}
usleep(10);
}
LOG(VB_RECORD, LOG_INFO, LOC + "run(): " + "shutdown");
RemoveAllPIDFilters();
SetRunning(false, true, false);
LOG(VB_RECORD, LOG_INFO, LOC + "run(): " + "end");
RunEpilog();
}
void CetonStreamHandler::run(void)
{
RunProlog();
bool _error = false;
QFile file(_device_path);
CetonRTP rtp(_ip_address, _tuner);
if (_using_rtp)
{
if (!(rtp.Init() && rtp.StartStreaming()))
{
LOG(VB_RECORD, LOG_ERR, LOC +
"Starting recording (RTP initialization failed). Aborting.");
_error = true;
}
}
else
{
if (!file.open(QIODevice::ReadOnly))
{
LOG(VB_RECORD, LOG_ERR, LOC +
"Starting recording (file open failed). Aborting.");
_error = true;
}
int flags = fcntl(file.handle(), F_GETFL, 0);
if (flags == -1) flags = 0;
fcntl(file.handle(), F_SETFL, flags | O_NONBLOCK);
}
if (_error)
{
RunEpilog();
return;
}
SetRunning(true, false, false);
int buffer_size = (64 * 1024); // read about 64KB
buffer_size /= TSPacket::kSize;
buffer_size *= TSPacket::kSize;
char *buffer = new char[buffer_size];
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): begin");
_read_timer.start();
int remainder = 0;
while (_running_desired && !_error)
{
int bytes_read;
if (_using_rtp)
bytes_read = rtp.Read(buffer, buffer_size);
else
bytes_read = file.read(buffer, buffer_size);
if (bytes_read <= 0)
{
if (_read_timer.elapsed() >= 5000)
{
LOG(VB_RECORD, LOG_WARNING, LOC +
"No data received for 5 seconds...checking tuning");
if (!VerifyTuning())
RepeatTuning();
_read_timer.start();
}
usleep(5000);
continue;
}
_read_timer.start();
_listener_lock.lock();
if (_stream_data_list.empty())
{
_listener_lock.unlock();
continue;
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData(
reinterpret_cast<unsigned char*>(buffer), bytes_read);
_listener_lock.unlock();
if (remainder != 0)
{
LOG(VB_RECORD, LOG_INFO, LOC +
QString("RunTS(): bytes_read = %1 remainder = %2")
.arg(bytes_read).arg(remainder));
}
}
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "shutdown");
if (_using_rtp)
rtp.StopStreaming();
else
file.close();
delete[] buffer;
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "end");
SetRunning(false, false, false);
RunEpilog();
}
/** \fn HDHRStreamHandler::run(void)
* \brief Reads HDHomeRun socket for tables & data
*/
void HDHRStreamHandler::run(void)
{
RunProlog();
/* Create TS socket. */
if (!hdhomerun_device_stream_start(_hdhomerun_device))
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"Starting recording (set target failed). Aborting.");
_error = true;
RunEpilog();
return;
}
hdhomerun_device_stream_flush(_hdhomerun_device);
SetRunning(true, false, false);
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): begin");
int remainder = 0;
QTime last_update;
while (_running_desired && !_error)
{
int elapsed = !last_update.isValid() ? -1 : last_update.elapsed();
elapsed = (elapsed < 0) ? 1000 : elapsed;
if (elapsed > 100)
{
UpdateFiltersFromStreamData();
if (_tune_mode != hdhrTuneModeVChannel)
UpdateFilters();
last_update.restart();
}
size_t read_size = 64 * 1024; // read about 64KB
read_size /= VIDEO_DATA_PACKET_SIZE;
read_size *= VIDEO_DATA_PACKET_SIZE;
size_t data_length;
unsigned char *data_buffer = hdhomerun_device_stream_recv(
_hdhomerun_device, read_size, &data_length);
if (!data_buffer)
{
usleep(20000);
continue;
}
// Assume data_length is a multiple of 188 (packet size)
_listener_lock.lock();
if (_stream_data_list.empty())
{
_listener_lock.unlock();
continue;
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData(data_buffer, data_length);
_listener_lock.unlock();
if (remainder != 0)
{
LOG(VB_RECORD, LOG_INFO, LOC +
QString("RunTS(): data_length = %1 remainder = %2")
.arg(data_length).arg(remainder));
}
}
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "shutdown");
RemoveAllPIDFilters();
hdhomerun_device_stream_stop(_hdhomerun_device);
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "end");
SetRunning(false, false, false);
RunEpilog();
}
void ASIStreamHandler::run(void)
{
RunProlog();
LOG(VB_RECORD, LOG_INFO, LOC + "run(): begin");
if (!Open())
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("Failed to open device %1 : %2")
.arg(_device).arg(strerror(errno)));
_error = true;
return;
}
DeviceReadBuffer *drb = new DeviceReadBuffer(this, true, false);
bool ok = drb->Setup(_device, _fd, _packet_size, _buf_size);
if (!ok)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to allocate DRB buffer");
delete drb;
drb = NULL;
Close();
_error = true;
RunEpilog();
return;
}
uint buffer_size = _packet_size * 15000;
unsigned char *buffer = new unsigned char[buffer_size];
if (!buffer)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to allocate buffer");
delete drb;
drb = NULL;
Close();
_error = true;
RunEpilog();
return;
}
memset(buffer, 0, buffer_size);
SetRunning(true, true, false);
drb->Start();
{
QMutexLocker locker(&_start_stop_lock);
_drb = drb;
}
int remainder = 0;
while (_running_desired && !_error)
{
UpdateFiltersFromStreamData();
ssize_t len = 0;
len = drb->Read(
&(buffer[remainder]), buffer_size - remainder);
if (!_running_desired)
break;
// Check for DRB errors
if (drb->IsErrored())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Device error detected");
_error = true;
}
if (drb->IsEOF())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Device EOF detected");
_error = true;
}
if ((0 == len) || (-1 == len))
{
usleep(100);
continue;
}
len += remainder;
if (len < 10) // 10 bytes = 4 bytes TS header + 6 bytes PES header
{
remainder = len;
continue;
}
if (!_listener_lock.tryLock())
{
remainder = len;
continue;
}
if (_stream_data_list.empty())
{
_listener_lock.unlock();
continue;
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData(buffer, len);
if (_mpts != NULL)
_mpts->Write(buffer, len - remainder);
_listener_lock.unlock();
if (remainder > 0 && (len > remainder)) // leftover bytes
memmove(buffer, &(buffer[len - remainder]), remainder);
}
LOG(VB_RECORD, LOG_INFO, LOC + "run(): " + "shutdown");
RemoveAllPIDFilters();
{
QMutexLocker locker(&_start_stop_lock);
_drb = NULL;
}
if (drb->IsRunning())
drb->Stop();
delete drb;
delete[] buffer;
Close();
LOG(VB_RECORD, LOG_INFO, LOC + "run(): " + "end");
SetRunning(false, true, false);
RunEpilog();
}
/** \fn DVBStreamHandler::RunTS(void)
* \brief Uses TS filtering devices to read a DVB device for tables & data
*
* This supports all types of MPEG based stream data, but is extreemely
* slow with DVB over USB 1.0 devices which for efficiency reasons buffer
* a stream until a full block transfer buffer full of the requested
* tables is available. This takes a very long time when you are just
* waiting for a PAT or PMT table, and the buffer is hundreds of packets
* in size.
*/
void DVBStreamHandler::RunTS(void)
{
QByteArray dvr_dev_path = _dvr_dev_path.toAscii();
int dvr_fd;
for (int tries = 1; ; ++tries)
{
dvr_fd = open(dvr_dev_path.constData(), O_RDONLY | O_NONBLOCK);
if (dvr_fd >= 0)
break;
LOG(VB_GENERAL, LOG_WARNING, LOC +
QString("Opening DVR device %1 failed : %2")
.arg(_dvr_dev_path).arg(strerror(errno)));
if (tries >= 20 || (errno != EBUSY && errno != EAGAIN))
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Failed to open DVR device %1 : %2")
.arg(_dvr_dev_path).arg(strerror(errno)));
_error = true;
return;
}
usleep(50000);
}
int remainder = 0;
int buffer_size = TSPacket::kSize * 15000;
unsigned char *buffer = new unsigned char[buffer_size];
if (!buffer)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to allocate memory");
close(dvr_fd);
_error = true;
return;
}
memset(buffer, 0, buffer_size);
DeviceReadBuffer *drb = NULL;
if (_needs_buffering)
{
drb = new DeviceReadBuffer(this, true, false);
if (!drb->Setup(_device, dvr_fd))
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to allocate DRB buffer");
delete drb;
delete[] buffer;
close(dvr_fd);
_error = true;
return;
}
drb->Start();
}
{
// SetRunning() + set _drb
QMutexLocker locker(&_start_stop_lock);
_running = true;
_using_buffering = _needs_buffering;
_using_section_reader = false;
_drb = drb;
}
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): begin");
fd_set fd_select_set;
FD_ZERO( &fd_select_set);
FD_SET (dvr_fd, &fd_select_set);
while (_running_desired && !_error)
{
RetuneMonitor();
UpdateFiltersFromStreamData();
ssize_t len = 0;
if (drb)
{
len = drb->Read(
&(buffer[remainder]), buffer_size - remainder);
// Check for DRB errors
if (drb->IsErrored())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Device error detected");
_error = true;
}
if (drb->IsEOF() && _running_desired)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Device EOF detected");
_error = true;
}
}
else
{
// timeout gets reset by select, so we need to create new one
struct timeval timeout = { 0, 50 /* ms */ * 1000 /* -> usec */ };
int ret = select(dvr_fd+1, &fd_select_set, NULL, NULL, &timeout);
if (ret == -1 && errno != EINTR)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "select() failed" + ENO);
}
else
{
len = read(dvr_fd, &(buffer[remainder]),
buffer_size - remainder);
}
}
if ((0 == len) || (-1 == len))
{
usleep(100);
continue;
}
len += remainder;
if (len < 10) // 10 bytes = 4 bytes TS header + 6 bytes PES header
{
remainder = len;
continue;
}
_listener_lock.lock();
if (_stream_data_list.empty())
{
_listener_lock.unlock();
continue;
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData(buffer, len);
_listener_lock.unlock();
if (remainder > 0 && (len > remainder)) // leftover bytes
memmove(buffer, &(buffer[len - remainder]), remainder);
}
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "shutdown");
RemoveAllPIDFilters();
{
QMutexLocker locker(&_start_stop_lock);
_drb = NULL;
}
if (drb)
{
if (drb->IsRunning())
drb->Stop();
delete drb;
}
close(dvr_fd);
delete[] buffer;
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "end");
SetRunning(false, _needs_buffering, false);
}
/** \fn HDHRStreamHandler::run(void)
* \brief Reads HDHomeRun socket for tables & data
*/
void HDHRStreamHandler::run(void)
{
threadRegister("HDHRStreamHandler");
/* Create TS socket. */
if (!hdhomerun_device_stream_start(_hdhomerun_device))
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"Starting recording (set target failed). Aborting.");
_error = true;
threadDeregister();
return;
}
hdhomerun_device_stream_flush(_hdhomerun_device);
SetRunning(true, false, false);
/* Calculate buffer size */
uint buffersize = gCoreContext->GetNumSetting(
"HDRingbufferSize", 50 * TSPacket::kSize) * 1024;
buffersize /= VIDEO_DATA_PACKET_SIZE;
buffersize *= VIDEO_DATA_PACKET_SIZE;
buffersize = max(49 * TSPacket::kSize * 128, buffersize);
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): begin");
int remainder = 0;
while (_running_desired && !_error)
{
UpdateFiltersFromStreamData();
UpdateFilters();
size_t read_size = 64 * 1024; // read about 64KB
read_size /= VIDEO_DATA_PACKET_SIZE;
read_size *= VIDEO_DATA_PACKET_SIZE;
size_t data_length;
unsigned char *data_buffer = hdhomerun_device_stream_recv(
_hdhomerun_device, read_size, &data_length);
if (!data_buffer)
{
usleep(5000);
continue;
}
// Assume data_length is a multiple of 188 (packet size)
_listener_lock.lock();
if (_stream_data_list.empty())
{
_listener_lock.unlock();
continue;
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData(data_buffer, data_length);
_listener_lock.unlock();
if (remainder != 0)
{
LOG(VB_RECORD, LOG_INFO, LOC +
QString("RunTS(): data_length = %1 remainder = %2")
.arg(data_length).arg(remainder));
}
}
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "shutdown");
RemoveAllPIDFilters();
hdhomerun_device_stream_stop(_hdhomerun_device);
LOG(VB_RECORD, LOG_INFO, LOC + "RunTS(): " + "end");
SetRunning(false, false, false);
threadDeregister();
}
void V4L2encStreamHandler::run(void)
{
RunProlog();
LOG(VB_RECORD, LOG_INFO, LOC + "run() -- begin");
if (!IsOpen())
{
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Starting stream handler, but v4l2 is not open!");
if (!Open())
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("run() -- Failed to open %1: ")
.arg(_device) + ENO);
_error = true;
return;
}
}
#if 0
// VBI
if (m_vbi_fd >= 0)
m_vbi_thread = new VBIThread(this);
#endif
bool good_data = false;
bool gap = false;
QDateTime gap_start;
int len, remainder = 0;
QByteArray buffer;
char* pkt_buf = new char[PACKET_SIZE + 1];
SetRunning(true, true, false);
while (_running_desired && !_error)
{
// Get V4L2 data
if (m_streaming_cnt.load() == 0)
{
LOG(VB_RECORD, LOG_INFO, LOC + "Waiting for stream start.");
QMutexLocker locker(&_start_stop_lock);
_running_state_changed.wait(&_start_stop_lock, 5000);
continue;
}
// Check for errors
if (!m_drb)
break;
len = m_drb->Read(reinterpret_cast<unsigned char *>(pkt_buf),
PACKET_SIZE);
if (m_drb->IsErrored())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "run() -- Device error detected");
if (good_data)
{
if (gap)
{
/* Already processing a gap, which means
* restarting the encoding didn't work! */
m_failing = true;
}
else
gap = true;
}
RestartEncoding();
}
else if (m_drb->IsEOF())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "run() -- Device EOF detected");
_error = true;
}
else
{
#if 0 // For this to work, the data needs to be propagated back up to
// the 'recorder', but there could be multiple rcorders...
// If we have seen good data, but now have a gap, note it
if (good_data)
{
if (gap)
{
QMutexLocker locker(&statisticsLock);
QDateTime gap_end(MythDate::current());
for (Irec = m_rec_gaps.begin();
Irec != m_rec_caps.end(); ++Irec)
{
(*Irec).push_back(RecordingGap
(gap_start, gap_end));
}
LOG(VB_RECORD, LOG_DEBUG,
LOC + QString("Inserted gap %1 dur %2")
.arg(recordingGaps.back().toString())
.arg(gap_start.secsTo(gap_end)));
gap = false;
}
else
gap_start = MythDate::current();
}
else
good_data = true;
#else
good_data = true;
#endif
}
if (len < 0)
{
if (errno != EAGAIN)
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("run() -- error reading from: %1")
.arg(_device) + ENO);
continue;
}
buffer.append(pkt_buf, len);
len = buffer.size();
if (len < static_cast<int>(TSPacket::kSize))
continue;
if (!_listener_lock.tryLock())
continue;
if (_stream_data_list.empty())
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("run() -- _stream_data_list is empty, %1 buffered")
.arg(buffer.size()));
_listener_lock.unlock();
continue;
}
StreamDataList::const_iterator sit = _stream_data_list.begin();
for (; sit != _stream_data_list.end(); ++sit)
remainder = sit.key()->ProcessData
(reinterpret_cast<const uint8_t *>
(buffer.constData()), len);
_listener_lock.unlock();
if (remainder > 0 && (len > remainder)) // leftover bytes
buffer.remove(0, len - remainder);
else
buffer.clear();
}
QString tmp(_error);
LOG(VB_GENERAL, LOG_WARNING, LOC +
QString("_running_desired(%1) _error(%2)")
.arg(_running_desired).arg(tmp));
LOG(VB_RECORD, LOG_INFO, LOC + "run() -- finishing up");
StopEncoding();
delete[] pkt_buf;
SetRunning(false, true, false);
RunEpilog();
LOG(VB_RECORD, LOG_INFO, LOC + "run() -- end");
}
