for (i = 0; depay->packets[i]; i++) {
QDM2Packet *pack = depay->packets[i];
- guint32 crc;
- int i;
+ guint32 crc = 0;
+ int i = 0;
GstBuffer *buf;
guint8 *data;
- /* CRC is the sum of everything (including first bytes)
- * minus the 2 bytes reserved for the checksum */
-
- GST_DEBUG ("Packet #%d size:%d", i, pack->offs);
+ /* CRC is the sum of everything (including first bytes) */
data = pack->data;
if (G_UNLIKELY (data == NULL))
continue;
- /* type 2 */
+ /* If the packet size is bigger than 0xff, we need 2 bytes to store the size */
if (depay->packetsize > 0xff) {
- crc = data[0] = 0x82;
- crc -= 3;
+ /* Expanded size 0x02 | 0x80 */
+ data[0] = 0x82;
GST_WRITE_UINT16_BE (data + 1, depay->packetsize - 3);
- i = 5;
} else {
- crc = data[0] = 0x2;
+ data[0] = 0x2;
data[1] = depay->packetsize - 2;
- i = 4;
- crc -= 2;
}
- crc += depay->packetsize;
/* Calculate CRC */
for (; i < depay->packetsize; i++)
crc += data[i];
- /* FIXME : Figure out why there's a difference of 0x1fe (0xff << 1) */
- if (depay->packetsize > 0xff)
- crc -= 510;
+ GST_DEBUG ("CRC is 0x%x", crc);
+ /* Write CRC */
if (depay->packetsize > 0xff)
GST_WRITE_UINT16_BE (data + 3, crc);
else
GST_WRITE_UINT16_BE (data + 2, crc);
- GST_DEBUG ("CRC is 0x%x", crc);
-
-/* gst_util_dump_mem (data, depay->packetsize); */
+ GST_MEMDUMP ("Extracted packet", data, depay->packetsize);
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = data;
GST_DEBUG ("Payload size %d 0x%x", payload_len, payload_len);
-/* gst_util_dump_mem (payload, payload_len); */
+ GST_MEMDUMP ("Incoming payload", payload, payload_len);
while (pos < payload_len) {
switch (payload[pos]) {
GstCaps *caps;
/* First bytes are unknown */
-/* gst_util_dump_mem (payload + pos, 32); */
+ GST_MEMDUMP ("Header", payload + pos, 32);
ourdata = payload + pos + 10;
pos += 10;
rtpqdm2depay->channs = GST_READ_UINT32_BE (payload + pos + 4);
rtpqdm2depay->channs, rtpqdm2depay->samplerate,
rtpqdm2depay->bitrate, rtpqdm2depay->blocksize,
rtpqdm2depay->framesize, rtpqdm2depay->packetsize);
- /* FIXME : SET CAPS ! */
- /* audio/x-qdm2, codec_data, samplesize=(int)16, rate=(int), channels=(int) */
+
+ /* Caps */
codecdata = gst_buffer_new_and_alloc (48);
memcpy (GST_BUFFER_DATA (codecdata), headheader, 20);
memcpy (GST_BUFFER_DATA (codecdata) + 20, ourdata, 28);
packetid, packettype, packlen);
}
- if (packettype > 0x17) {
+ if (packettype > 0x7f) {
GST_ERROR ("HOUSTON WE HAVE A PROBLEM !!!!");
}
add_packet (rtpqdm2depay, packetid, packlen + hsize,