moonlight-stream/moonlight-common-c
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Various minor fixes to the FEC queue

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This commit is contained in:
Cameron Gutman 2017-06-07 21:48:04 -07:00
parent 4791f62688
commit 1a2996a49a
1 changed files with 12 additions and 8 deletions
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20
src/RtpFecQueue.c
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@ -2,8 +2,8 @@
#include "RtpFecQueue.h"
#include "rs.h"
#define ushort(x) (unsigned short) ((x) % (UINT16_MAX+1))
#define isBefore(x, y) ushort((x) - (y)) > (UINT16_MAX/2)
#define ushort(x) ((unsigned short) ((x) % (UINT16_MAX+1)))
#define isBefore(x, y) (ushort((x) - (y)) > (UINT16_MAX/2))
void RtpfInitializeQueue(PRTP_FEC_QUEUE queue) {
reed_solomon_init();
@ -19,16 +19,19 @@ void RtpfCleanupQueue(PRTP_FEC_QUEUE queue) {
queue->bufferHead = entry->next;
free(entry->packet);
}
while (queue->queueHead != NULL) {
PRTPFEC_QUEUE_ENTRY entry = queue->queueHead;
queue->queueHead = entry->next;
free(entry->packet);
}
}
// newEntry is contained within the packet buffer so we free the whole entry by freeing entry->packet
static int queuePacket(PRTP_FEC_QUEUE queue, PRTPFEC_QUEUE_ENTRY newEntry, int head, PRTP_PACKET packet) {
PRTPFEC_QUEUE_ENTRY entry;
// Don't queue packets we're already ahead of
if (isBefore(packet->sequenceNumber, queue->nextRtpSequenceNumber)) {
return 0;
}
LC_ASSERT(!isBefore(packet->sequenceNumber, queue->nextRtpSequenceNumber));
// Don't queue duplicates either
entry = queue->bufferHead;
@ -134,7 +137,8 @@ static void repairPackets(PRTP_FEC_QUEUE queue) {
cleanup_packets:
for (i = 0; i < totalPackets; i++) {
if (marks[i]) {
if (ret == 0) {
// Only submit frame data, not FEC packets
if (ret == 0 && i < queue->bufferDataPackets) {
PRTPFEC_QUEUE_ENTRY queueEntry = (PRTPFEC_QUEUE_ENTRY)&packets[i][receiveSize + sizeof(int)];
PRTP_PACKET rtpPacket = (PRTP_PACKET) packets[i];
rtpPacket->sequenceNumber = ushort(i + queue->bufferLowestSequenceNumber);