/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_end_frame_pdu(RDPGFX_CHANNEL_CALLBACK* callback,
wStream* s)
{
RDPGFX_END_FRAME_PDU pdu;
RDPGFX_FRAME_ACKNOWLEDGE_PDU ack;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < RDPGFX_END_FRAME_PDU_SIZE)
{
WLog_ERR(TAG, "not enough data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT32(s, pdu.frameId); /* frameId (4 bytes) */
WLog_DBG(TAG, "RecvEndFramePdu: frameId: %lu", (unsigned long) pdu.frameId);
if (context)
{
IFCALLRET(context->EndFrame, error, context, &pdu);
if (error)
{
WLog_ERR(TAG, "context->EndFrame failed with error %u", error);
return error;
}
}
gfx->UnacknowledgedFrames--;
gfx->TotalDecodedFrames++;
ack.frameId = pdu.frameId;
ack.totalFramesDecoded = gfx->TotalDecodedFrames;
if (gfx->suspendFrameAcks)
{
ack.queueDepth = SUSPEND_FRAME_ACKNOWLEDGEMENT;
if (gfx->TotalDecodedFrames == 1)
if ((error = rdpgfx_send_frame_acknowledge_pdu(callback, &ack)))
WLog_ERR(TAG, "rdpgfx_send_frame_acknowledge_pdu failed with error %u", error);
}
else
{
ack.queueDepth = QUEUE_DEPTH_UNAVAILABLE;
if ((error = rdpgfx_send_frame_acknowledge_pdu(callback, &ack)))
WLog_ERR(TAG, "rdpgfx_send_frame_acknowledge_pdu failed with error %u", error);
}
return error;
}
int rdpgfx_recv_end_frame_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_END_FRAME_PDU pdu;
RDPGFX_FRAME_ACKNOWLEDGE_PDU ack;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
if (Stream_GetRemainingLength(s) < 4)
return -1;
Stream_Read_UINT32(s, pdu.frameId); /* frameId (4 bytes) */
WLog_Print(gfx->log, WLOG_DEBUG, "RecvEndFramePdu: frameId: %d", pdu.frameId);
if (context && context->EndFrame)
{
context->EndFrame(context, &pdu);
}
gfx->UnacknowledgedFrames--;
gfx->TotalDecodedFrames++;
ack.frameId = pdu.frameId;
ack.totalFramesDecoded = gfx->TotalDecodedFrames;
//ack.queueDepth = SUSPEND_FRAME_ACKNOWLEDGEMENT;
ack.queueDepth = QUEUE_DEPTH_UNAVAILABLE;
rdpgfx_send_frame_acknowledge_pdu(callback, &ack);
return 1;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_end_frame_pdu(RDPGFX_CHANNEL_CALLBACK* callback,
wStream* s)
{
RDPGFX_END_FRAME_PDU pdu;
RDPGFX_FRAME_ACKNOWLEDGE_PDU ack;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < RDPGFX_END_FRAME_PDU_SIZE)
{
WLog_Print(gfx->log, WLOG_ERROR, "not enough data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT32(s, pdu.frameId); /* frameId (4 bytes) */
WLog_Print(gfx->log, WLOG_DEBUG, "RecvEndFramePdu: frameId: %"PRIu32"", pdu.frameId);
if (context)
{
IFCALLRET(context->EndFrame, error, context, &pdu);
if (error)
{
WLog_Print(gfx->log, WLOG_ERROR, "context->EndFrame failed with error %"PRIu32"", error);
return error;
}
}
gfx->UnacknowledgedFrames--;
gfx->TotalDecodedFrames++;
ack.frameId = pdu.frameId;
ack.totalFramesDecoded = gfx->TotalDecodedFrames;
if (gfx->suspendFrameAcks)
{
ack.queueDepth = SUSPEND_FRAME_ACKNOWLEDGEMENT;
if (gfx->TotalDecodedFrames == 1)
if ((error = rdpgfx_send_frame_acknowledge_pdu(callback, &ack)))
WLog_Print(gfx->log, WLOG_ERROR, "rdpgfx_send_frame_acknowledge_pdu failed with error %"PRIu32"", error);
}
else
{
ack.queueDepth = QUEUE_DEPTH_UNAVAILABLE;
if ((error = rdpgfx_send_frame_acknowledge_pdu(callback, &ack)))
WLog_Print(gfx->log, WLOG_DEBUG, "rdpgfx_send_frame_acknowledge_pdu failed with error %"PRIu32"", error);
}
switch(gfx->ConnectionCaps.version)
{
case RDPGFX_CAPVERSION_10:
case RDPGFX_CAPVERSION_102:
case RDPGFX_CAPVERSION_103:
if (gfx->SendQoeAck)
{
RDPGFX_QOE_FRAME_ACKNOWLEDGE_PDU qoe;
UINT32 diff = (GetTickCountPrecise() - gfx->StartDecodingTime);
if (diff > 65000)
diff = 0;
qoe.frameId = pdu.frameId;
qoe.timestamp = gfx->StartDecodingTime;
qoe.timeDiffSE = diff;
qoe.timeDiffEDR = 1;
if ((error = rdpgfx_send_qoe_frame_acknowledge_pdu(callback, &qoe)))
WLog_Print(gfx->log, WLOG_DEBUG, "rdpgfx_send_frame_acknowledge_pdu failed with error %"PRIu32"", error);
}
break;
default:
break;
}
return error;
}