m_futile = 0;
}
+void eDVBTSTools::closeSource()
+{
+ m_source = NULL;
+}
+
eDVBTSTools::~eDVBTSTools()
{
- closeFile();
+ closeSource();
}
int eDVBTSTools::openFile(const char *filename, int nostreaminfo)
{
+ eRawFile *f = new eRawFile();
+ ePtr<iDataSource> src = f;
+
+ eSingleLocker l(f->getLock());
+
+ if (f->open(filename, 1) < 0)
+ return -1;
+
+ setSource(src, filename);
+
+ return 0;
+}
+
+void eDVBTSTools::setSource(ePtr<iDataSource> source, const char *stream_info_filename)
+{
closeFile();
-
- if (!nostreaminfo)
+
+ m_source = source;
+
+ if (stream_info_filename)
{
- eDebug("loading streaminfo for %s", filename);
- m_streaminfo.load(filename);
+ eDebug("loading streaminfo for %s", stream_info_filename);
+ m_streaminfo.load(stream_info_filename);
}
if (!m_streaminfo.empty())
// eDebug("no recorded stream information available");
m_use_streaminfo = 0;
}
-
- m_samples_taken = 0;
- if (m_file.open(filename, 1) < 0)
- return -1;
- return 0;
+ m_samples_taken = 0;
}
void eDVBTSTools::closeFile()
{
- m_file.close();
+ if (m_source) {
+ eSingleLocker l(m_source->getLock());
+ closeSource();
+ }
}
void eDVBTSTools::setSyncPID(int pid)
if (!m_streaminfo.getPTS(offset, pts))
return 0;
- if (!m_file.valid())
+ if (!m_source->valid())
return -1;
offset -= offset % 188;
-
- if (m_file.lseek(offset, SEEK_SET) < 0)
+
+ iDataSourcePositionRestorer r(m_source);
+
+ eSingleLocker l(m_source->getLock());
+
+ if (m_source->lseek(offset, SEEK_SET) < 0)
{
eDebug("lseek failed");
return -1;
while (left >= 188)
{
unsigned char packet[188];
- if (m_file.read(packet, 188) != 188)
+ if (m_source->read(packet, 188) != 188)
{
eDebug("read error");
break;
break;
++i;
}
- offset = m_file.lseek(i - 188, SEEK_CUR);
+ offset = m_source->lseek(i - 188, SEEK_CUR);
continue;
}
} else
payload = packet + 4;
-
/* if (m_pid >= 0)
if (pid != m_pid)
continue; */
if (!pusi)
continue;
-
-
+
/* somehow not a startcode. (this is invalid, since pusi was set.) ignore it. */
if (payload[0] || payload[1] || (payload[2] != 1))
continue;
-
+
+ if (payload[3] == 0xFD)
+ { // stream use extension mechanism defined in ISO 13818-1 Amendment 2
+ if (payload[7] & 1) // PES extension flag
+ {
+ int offs = 0;
+ if (payload[7] & 0x80) // pts avail
+ offs += 5;
+ if (payload[7] & 0x40) // dts avail
+ offs += 5;
+ if (payload[7] & 0x20) // escr avail
+ offs += 6;
+ if (payload[7] & 0x10) // es rate
+ offs += 3;
+ if (payload[7] & 0x8) // dsm trickmode
+ offs += 1;
+ if (payload[7] & 0x4) // additional copy info
+ offs += 1;
+ if (payload[7] & 0x2) // crc
+ offs += 2;
+ if (payload[8] < offs)
+ continue;
+ uint8_t pef = payload[9+offs++]; // pes extension field
+ if (pef & 1) // pes extension flag 2
+ {
+ if (pef & 0x80) // private data flag
+ offs += 16;
+ if (pef & 0x40) // pack header field flag
+ offs += 1;
+ if (pef & 0x20) // program packet sequence counter flag
+ offs += 2;
+ if (pef & 0x10) // P-STD buffer flag
+ offs += 2;
+ if (payload[8] < offs)
+ continue;
+ uint8_t stream_id_extension_len = payload[9+offs++] & 0x7F;
+ if (stream_id_extension_len >= 1)
+ {
+ if (payload[8] < (offs + stream_id_extension_len) )
+ continue;
+ if (payload[9+offs] & 0x80) // stream_id_extension_bit (should not set)
+ continue;
+ switch (payload[9+offs])
+ {
+ case 0x55 ... 0x5f: // VC-1
+ break;
+ case 0x71: // AC3 / DTS
+ break;
+ default:
+ eDebug("skip unknwn stream_id_extension %02x\n", payload[9+offs]);
+ continue;
+ }
+ }
+ else
+ continue;
+ }
+ else
+ continue;
+ }
+ else
+ continue;
+ }
/* drop non-audio, non-video packets because other streams
can be non-compliant.*/
- if (((payload[3] & 0xE0) != 0xC0) && // audio
- ((payload[3] & 0xF0) != 0xE0)) // video
+ else if (((payload[3] & 0xE0) != 0xC0) && // audio
+ ((payload[3] & 0xF0) != 0xE0)) // video
continue;
-
+
if (payload[7] & 0x80) /* PTS */
{
pts = ((unsigned long long)(payload[ 9]&0xE)) << 29;
void eDVBTSTools::calcBegin()
{
- if (!m_file.valid())
+ if (!m_source->valid())
return;
if (!(m_begin_valid || m_futile))
void eDVBTSTools::calcEnd()
{
- if (!m_file.valid())
+ if (!m_source->valid())
return;
-
- off_t end = m_file.lseek(0, SEEK_END);
+
+ iDataSourcePositionRestorer r(m_source);
+
+ eSingleLocker l(m_source->getLock());
+
+ off_t end = m_source->lseek(0, SEEK_END);
if (llabs(end - m_last_filelength) > 1*1024*1024)
{
int eDVBTSTools::findPMT(int &pmt_pid, int &service_id)
{
/* FIXME: this will be factored out soon! */
- if (!m_file.valid())
+ if (!m_source->valid())
{
eDebug(" file not valid");
return -1;
}
- if (m_file.lseek(0, SEEK_SET) < 0)
+ iDataSourcePositionRestorer r(m_source);
+
+ eSingleLocker l(m_source->getLock());
+
+ if (m_source->lseek(0, SEEK_SET) < 0)
{
eDebug("seek failed");
return -1;
while (left >= 188)
{
unsigned char packet[188];
- if (m_file.read(packet, 188) != 188)
+ if (m_source->read(packet, 188) != 188)
{
eDebug("read error");
break;
break;
++i;
}
- m_file.lseek(i - 188, SEEK_CUR);
+ m_source->lseek(i - 188, SEEK_CUR);
continue;
}