moonlight-stream/moonlight-common-c
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Add capability to combine audio receive and decode thread

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This commit is contained in:
Iwan Timmer 2015-07-23 23:46:59 +02:00
parent de37896c22
commit c829d9c742
2 changed files with 55 additions and 25 deletions
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49
limelight-common/AudioStream.c
View File

@ -13,6 +13,8 @@ static PLT_THREAD udpPingThread;
static PLT_THREAD receiveThread;
static PLT_THREAD decoderThread;
static unsigned short lastSeq = 0;
#define RTP_PORT 48000
#define MAX_PACKET_SIZE 100
@ -30,7 +32,9 @@ typedef struct _QUEUED_AUDIO_PACKET {
/* Initialize the audio stream */
void initializeAudioStream(void) {
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
LbqInitializeLinkedBlockingQueue(&packetQueue, 30);
}
RtpqInitializeQueue(&rtpReorderQueue, RTPQ_DEFAULT_MAX_SIZE, RTPQ_DEFUALT_QUEUE_TIME);
}
@ -49,7 +53,9 @@ static void freePacketList(PLINKED_BLOCKING_QUEUE_ENTRY entry) {
/* Tear down the audio stream once we're done with it */
void destroyAudioStream(void) {
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
freePacketList(LbqDestroyLinkedBlockingQueue(&packetQueue));
}
RtpqCleanupQueue(&rtpReorderQueue);
}
@ -95,6 +101,21 @@ static int queuePacketToLbq(PQUEUED_AUDIO_PACKET *packet) {
return 1;
}
static void decodeInputData(PQUEUED_AUDIO_PACKET packet) {
PRTP_PACKET rtp;
rtp = (PRTP_PACKET) &packet->data[0];
if (lastSeq != 0 && (unsigned short) (lastSeq + 1) != rtp->sequenceNumber) {
Limelog("Received OOS audio data (expected %d, but got %d)\n", lastSeq + 1, rtp->sequenceNumber);
AudioCallbacks.decodeAndPlaySample(NULL, 0);
}
lastSeq = rtp->sequenceNumber;
AudioCallbacks.decodeAndPlaySample((char *) (rtp + 1), packet->size - sizeof(*rtp));
}
static void ReceiveThreadProc(void* context) {
PRTP_PACKET rtp;
PQUEUED_AUDIO_PACKET packet;
@ -136,10 +157,14 @@ static void ReceiveThreadProc(void* context) {
queueStatus = RtpqAddPacket(&rtpReorderQueue, (PRTP_PACKET) packet, &packet->q.rentry);
if (queueStatus == RTPQ_RET_HANDLE_IMMEDIATELY) {
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
if (!queuePacketToLbq(&packet)) {
// An exit signal was received
return;
}
} else {
decodeInputData(packet);
}
}
else {
if (queueStatus != RTPQ_RET_REJECTED) {
@ -150,10 +175,14 @@ static void ReceiveThreadProc(void* context) {
if (queueStatus == RTPQ_RET_QUEUED_PACKETS_READY) {
// If packets are ready, pull them and send them to the decoder
while ((packet = (PQUEUED_AUDIO_PACKET) RtpqGetQueuedPacket(&rtpReorderQueue)) != NULL) {
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
if (!queuePacketToLbq(&packet)) {
// An exit signal was received
return;
}
} else {
decodeInputData(packet);
}
}
}
}
@ -164,7 +193,6 @@ static void DecoderThreadProc(void* context) {
PRTP_PACKET rtp;
int err;
PQUEUED_AUDIO_PACKET packet;
unsigned short lastSeq = 0;
while (!PltIsThreadInterrupted(&decoderThread)) {
err = LbqWaitForQueueElement(&packetQueue, (void**) &packet);
@ -173,16 +201,7 @@ static void DecoderThreadProc(void* context) {
return;
}
rtp = (PRTP_PACKET) &packet->data[0];
if (lastSeq != 0 && (unsigned short) (lastSeq + 1) != rtp->sequenceNumber) {
Limelog("Received OOS audio data (expected %d, but got %d)\n", lastSeq + 1, rtp->sequenceNumber);
AudioCallbacks.decodeAndPlaySample(NULL, 0);
}
lastSeq = rtp->sequenceNumber;
AudioCallbacks.decodeAndPlaySample((char *) (rtp + 1), packet->size - sizeof(*rtp));
decodeInputData(packet);
free(packet);
}
@ -191,7 +210,9 @@ static void DecoderThreadProc(void* context) {
void stopAudioStream(void) {
PltInterruptThread(&udpPingThread);
PltInterruptThread(&receiveThread);
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
PltInterruptThread(&decoderThread);
}
if (rtpSocket != INVALID_SOCKET) {
closesocket(rtpSocket);
@ -200,11 +221,15 @@ void stopAudioStream(void) {
PltJoinThread(&udpPingThread);
PltJoinThread(&receiveThread);
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
PltJoinThread(&decoderThread);
}
PltCloseThread(&udpPingThread);
PltCloseThread(&receiveThread);
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
PltCloseThread(&decoderThread);
}
AudioCallbacks.cleanup();
}
@ -229,10 +254,12 @@ int startAudioStream(void) {
return err;
}
if ((AudioCallbacks.capabilities & CAPABILITY_DIRECT_SUBMIT) == 0) {
err = PltCreateThread(DecoderThreadProc, NULL, &decoderThread);
if (err != 0) {
return err;
}
}
return 0;
}

3
limelight-common/Limelight.h
View File

@ -52,6 +52,8 @@ typedef struct _DECODE_UNIT {
PLENTRY bufferList;
} DECODE_UNIT, *PDECODE_UNIT;
#define CAPABILITY_DIRECT_SUBMIT 0x1
// This callback is invoked to provide details about the video stream and allow configuration of the decoder
typedef void(*DecoderRendererSetup)(int width, int height, int redrawRate, void* context, int drFlags);
@ -84,6 +86,7 @@ typedef struct _AUDIO_RENDERER_CALLBACKS {
AudioRendererInit init;
AudioRendererCleanup cleanup;
AudioRendererDecodeAndPlaySample decodeAndPlaySample;
int capabilities;
} AUDIO_RENDERER_CALLBACKS, *PAUDIO_RENDERER_CALLBACKS;
// Subject to change in future releases