nsresult OggCodecState::PacketOutUntilGranulepos(bool& aFoundGranulepos) {
int r;
aFoundGranulepos = false;
// Extract packets from the sync state until either no more packets
// come out, or we get a data packet with non -1 granulepos.
do {
ogg_packet packet;
r = ogg_stream_packetout(&mState, &packet);
if (r == 1) {
ogg_packet* clone = Clone(&packet);
if (IsHeader(&packet)) {
// Header packets go straight into the packet queue.
mPackets.Append(clone);
} else {
// We buffer data packets until we encounter a granulepos. We'll
// then use the granulepos to figure out the granulepos of the
// preceeding packets.
mUnstamped.AppendElement(clone);
aFoundGranulepos = packet.granulepos > 0;
}
}
} while (r != 0 && !aFoundGranulepos);
if (ogg_stream_check(&mState)) {
NS_WARNING("Unrecoverable error in ogg_stream_packetout");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
static PyObject * py_ogg_ogg_stream_check(PyObject *self, PyObject *args) {
int size;
int c_out;
ogg_stream_state * os;
PyArg_ParseTuple(args, "s#", &os, &size);
c_out = ogg_stream_check(os);
return Py_BuildValue("i", c_out);
};
nsresult nsOggCodecState::PageIn(ogg_page* aPage) {
if (!mActive)
return NS_OK;
NS_ASSERTION(ogg_page_serialno(aPage) == mSerial, "Page must be for this stream!");
if (ogg_stream_pagein(&mState, aPage) == -1)
return NS_ERROR_FAILURE;
int r;
do {
ogg_packet packet;
r = ogg_stream_packetout(&mState, &packet);
if (r == 1) {
mPackets.Append(Clone(&packet));
}
} while (r != 0);
if (ogg_stream_check(&mState)) {
NS_WARNING("Unrecoverable error in ogg_stream_packetout");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
