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<iTsSource> src = f;
+
+ if (f->open(filename, 1) < 0)
+ return -1;
+
+ setSource(src, filename);
+
+ return 0;
+}
+
+void eDVBTSTools::setSource(ePtr<iTsSource> &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)
+ closeSource();
}
void eDVBTSTools::setSyncPID(int pid)
if (!m_streaminfo.getPTS(offset, pts))
return 0;
- if (!m_file.valid())
+ if (!m_source || !m_source->valid())
return -1;
offset -= offset % 188;
-
- if (m_file.lseek(offset, SEEK_SET) < 0)
- {
- eDebug("lseek failed");
- return -1;
- }
-
+
int left = m_maxrange;
while (left >= 188)
{
unsigned char packet[188];
- if (m_file.read(packet, 188) != 188)
+ if (m_source->read(offset, packet, 188) != 188)
{
eDebug("read error");
break;
}
left -= 188;
offset += 188;
-
+
if (packet[0] != 0x47)
{
eDebug("resync");
if (packet[i] == 0x47)
break;
++i;
+ --offset;
}
- offset = m_file.lseek(i - 188, SEEK_CUR);
continue;
}
void eDVBTSTools::calcBegin()
{
- if (!m_file.valid())
+ if (!m_source || !m_source->valid())
return;
if (!(m_begin_valid || m_futile))
void eDVBTSTools::calcEnd()
{
- if (!m_file.valid())
+ if (!m_source || !m_source->valid())
return;
-
- off_t end = m_file.lseek(0, SEEK_END);
+
+ 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 || !m_source->valid())
{
eDebug(" file not valid");
return -1;
}
- if (m_file.lseek(0, SEEK_SET) < 0)
- {
- eDebug("seek failed");
- return -1;
- }
+ off_t position=0;
int left = 5*1024*1024;
while (left >= 188)
{
unsigned char packet[188];
- if (m_file.read(packet, 188) != 188)
+ int ret = m_source->read(position, packet, 188);
+ if (ret != 188)
{
eDebug("read error");
break;
}
left -= 188;
-
+ position += 188;
+
if (packet[0] != 0x47)
{
int i = 0;
{
if (packet[i] == 0x47)
break;
+ --position;
++i;
}
- m_file.lseek(i - 188, SEEK_CUR);
continue;
}
-
int pid = ((packet[1] << 8) | packet[2]) & 0x1FFF;
int pusi = !!(packet[1] & 0x40);
int eDVBTSTools::findNextPicture(off_t &offset, size_t &len, int &distance, int frame_types)
{
- int nr_frames = 0;
+ int nr_frames, direction;
// eDebug("trying to move %d frames at %llx", distance, offset);
frame_types = frametypeI; /* TODO: intelligent "allow IP frames when not crossing an I-Frame */
- int direction = distance > 0 ? 0 : -1;
- distance = abs(distance);
-
off_t new_offset = offset;
size_t new_len = len;
int first = 1;
+ if (distance > 0) {
+ direction = 0;
+ nr_frames = 0;
+ } else {
+ direction = -1;
+ nr_frames = -1;
+ distance = -distance+1;
+ }
while (distance > 0)
{
int dir = direction;
// eDebug("we moved %d, %d to go frames (now at %llx)", dir, distance, new_offset);
- if (distance >= 0 || first)
+ if (distance >= 0 || direction == 0)
{
first = 0;
offset = new_offset;
len = new_len;
nr_frames += abs(dir);
+ }
+ else if (first) {
+ first = 0;
+ offset = new_offset;
+ len = new_len;
+ nr_frames += abs(dir) + distance; // never jump forward during rewind
}
}