1547 lines
38 KiB
C
Executable File
1547 lines
38 KiB
C
Executable File
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Audio Output Virtual Channel
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*
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* Copyright 2009-2011 Jay Sorg
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* Copyright 2010-2011 Vic Lee
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* Copyright 2012-2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2015 Thincast Technologies GmbH
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* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
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* Copyright 2016 David PHAM-VAN <d.phamvan@inuvika.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifndef _WIN32
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#include <sys/time.h>
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#include <signal.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <winpr/crt.h>
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#include <winpr/wlog.h>
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#include <winpr/stream.h>
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#include <winpr/cmdline.h>
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#include <winpr/sysinfo.h>
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#include <winpr/collections.h>
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#include <freerdp/types.h>
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#include <freerdp/addin.h>
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#include "rdpsnd_main.h"
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#define TIME_DELAY_MS 65
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struct rdpsnd_plugin
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{
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CHANNEL_DEF channelDef;
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CHANNEL_ENTRY_POINTS_FREERDP channelEntryPoints;
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HANDLE thread;
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wStream* data_in;
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void* InitHandle;
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DWORD OpenHandle;
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wMessagePipe* MsgPipe;
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wLog* log;
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HANDLE stopEvent;
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HANDLE ScheduleThread;
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BYTE cBlockNo;
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UINT16 wQualityMode;
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int wCurrentFormatNo;
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AUDIO_FORMAT* ServerFormats;
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UINT16 NumberOfServerFormats;
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AUDIO_FORMAT* ClientFormats;
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UINT16 NumberOfClientFormats;
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BOOL expectingWave;
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BYTE waveData[4];
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UINT16 waveDataSize;
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UINT32 wTimeStamp;
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int latency;
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BOOL isOpen;
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UINT16 fixedFormat;
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UINT16 fixedChannel;
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UINT32 fixedRate;
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char* subsystem;
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char* device_name;
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/* Device plugin */
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rdpsndDevicePlugin* device;
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rdpContext* rdpcontext;
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};
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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static UINT rdpsnd_confirm_wave(rdpsndPlugin* rdpsnd, RDPSND_WAVE* wave);
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static void* rdpsnd_schedule_thread(void* arg)
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{
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wMessage message;
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UINT16 wTimeDiff;
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UINT16 wTimeStamp;
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UINT16 wCurrentTime;
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RDPSND_WAVE* wave;
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rdpsndPlugin* rdpsnd = (rdpsndPlugin*) arg;
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HANDLE events[2];
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UINT error = CHANNEL_RC_OK;
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DWORD status;
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events[0] = MessageQueue_Event(rdpsnd->MsgPipe->Out);
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events[1] = rdpsnd->stopEvent;
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while (1)
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{
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status = WaitForMultipleObjects(2, events, FALSE, INFINITE);
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if (status == WAIT_FAILED)
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{
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error = GetLastError();
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WLog_ERR(TAG, "WaitForMultipleObjects failed with error %lu!", error);
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break;
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}
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status = WaitForSingleObject(rdpsnd->stopEvent, 0);
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if (status == WAIT_FAILED)
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{
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error = GetLastError();
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WLog_ERR(TAG, "WaitForSingleObject failed with error %lu!", error);
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break;
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}
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if (status == WAIT_OBJECT_0)
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break;
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status = WaitForSingleObject(events[0], 0);
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if (status == WAIT_FAILED)
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{
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error = GetLastError();
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WLog_ERR(TAG, "WaitForSingleObject failed with error %lu!", error);
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break;
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}
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if (!MessageQueue_Peek(rdpsnd->MsgPipe->Out, &message, TRUE))
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{
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WLog_ERR(TAG, "MessageQueue_Peek failed!");
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error = ERROR_INTERNAL_ERROR;
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break;
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}
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if (message.id == WMQ_QUIT)
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break;
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wave = (RDPSND_WAVE*) message.wParam;
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wCurrentTime = (UINT16) GetTickCount();
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wTimeStamp = wave->wLocalTimeB;
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if (wCurrentTime <= wTimeStamp)
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{
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wTimeDiff = wTimeStamp - wCurrentTime;
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Sleep(wTimeDiff);
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}
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if ((error = rdpsnd_confirm_wave(rdpsnd, wave)))
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{
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WLog_ERR(TAG, "error confirming wave");
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break;
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}
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message.wParam = NULL;
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free(wave);
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}
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if (error && rdpsnd->rdpcontext)
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setChannelError(rdpsnd->rdpcontext, error, "rdpsnd_schedule_thread reported an error");
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ExitThread((DWORD)error);
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return NULL;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rdpsnd_send_quality_mode_pdu(rdpsndPlugin* rdpsnd)
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{
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wStream* pdu;
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pdu = Stream_New(NULL, 8);
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if (!pdu)
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{
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WLog_ERR(TAG, "Stream_New failed!");
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return CHANNEL_RC_NO_MEMORY;
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}
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Stream_Write_UINT8(pdu, SNDC_QUALITYMODE); /* msgType */
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Stream_Write_UINT8(pdu, 0); /* bPad */
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Stream_Write_UINT16(pdu, 4); /* BodySize */
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Stream_Write_UINT16(pdu, rdpsnd->wQualityMode); /* wQualityMode */
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Stream_Write_UINT16(pdu, 0); /* Reserved */
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WLog_Print(rdpsnd->log, WLOG_DEBUG, "QualityMode: %d", rdpsnd->wQualityMode);
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return rdpsnd_virtual_channel_write(rdpsnd, pdu);
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}
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static void rdpsnd_select_supported_audio_formats(rdpsndPlugin* rdpsnd)
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{
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int index;
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AUDIO_FORMAT* serverFormat;
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AUDIO_FORMAT* clientFormat;
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rdpsnd_free_audio_formats(rdpsnd->ClientFormats, rdpsnd->NumberOfClientFormats);
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rdpsnd->NumberOfClientFormats = 0;
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rdpsnd->ClientFormats = NULL;
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if (!rdpsnd->NumberOfServerFormats)
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return;
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rdpsnd->ClientFormats = (AUDIO_FORMAT*) malloc(sizeof(AUDIO_FORMAT) * rdpsnd->NumberOfServerFormats);
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for (index = 0; index < (int) rdpsnd->NumberOfServerFormats; index++)
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{
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serverFormat = &rdpsnd->ServerFormats[index];
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if (rdpsnd->fixedFormat > 0 && (rdpsnd->fixedFormat != serverFormat->wFormatTag))
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continue;
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if (rdpsnd->fixedChannel > 0 && (rdpsnd->fixedChannel != serverFormat->nChannels))
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continue;
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if (rdpsnd->fixedRate > 0 && (rdpsnd->fixedRate != serverFormat->nSamplesPerSec))
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continue;
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if (rdpsnd->device && rdpsnd->device->FormatSupported(rdpsnd->device, serverFormat))
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{
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clientFormat = &rdpsnd->ClientFormats[rdpsnd->NumberOfClientFormats++];
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CopyMemory(clientFormat, serverFormat, sizeof(AUDIO_FORMAT));
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clientFormat->cbSize = 0;
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if (serverFormat->cbSize > 0)
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{
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clientFormat->data = (BYTE*) malloc(serverFormat->cbSize);
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CopyMemory(clientFormat->data, serverFormat->data, serverFormat->cbSize);
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clientFormat->cbSize = serverFormat->cbSize;
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}
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}
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}
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#if 0
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WLog_ERR(TAG, "Server ");
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rdpsnd_print_audio_formats(rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
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WLog_ERR(TAG, "");
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WLog_ERR(TAG, "Client ");
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rdpsnd_print_audio_formats(rdpsnd->ClientFormats, rdpsnd->NumberOfClientFormats);
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WLog_ERR(TAG, "");
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#endif
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rdpsnd_send_client_audio_formats(rdpsndPlugin* rdpsnd)
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{
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int index;
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wStream* pdu;
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UINT16 length;
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UINT32 dwVolume;
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UINT16 dwVolumeLeft;
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UINT16 dwVolumeRight;
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UINT16 wNumberOfFormats;
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AUDIO_FORMAT* clientFormat;
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dwVolumeLeft = ((50 * 0xFFFF) / 100); /* 50% */
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dwVolumeRight = ((50 * 0xFFFF) / 100); /* 50% */
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dwVolume = (dwVolumeLeft << 16) | dwVolumeRight;
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if (rdpsnd->device)
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{
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if (rdpsnd->device->GetVolume)
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dwVolume = rdpsnd->device->GetVolume(rdpsnd->device);
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}
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wNumberOfFormats = rdpsnd->NumberOfClientFormats;
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length = 4 + 20;
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for (index = 0; index < (int) wNumberOfFormats; index++)
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length += (18 + rdpsnd->ClientFormats[index].cbSize);
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pdu = Stream_New(NULL, length);
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if (!pdu)
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{
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WLog_ERR(TAG, "Stream_New failed!");
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return CHANNEL_RC_NO_MEMORY;
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}
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Stream_Write_UINT8(pdu, SNDC_FORMATS); /* msgType */
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Stream_Write_UINT8(pdu, 0); /* bPad */
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Stream_Write_UINT16(pdu, length - 4); /* BodySize */
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Stream_Write_UINT32(pdu, TSSNDCAPS_ALIVE | TSSNDCAPS_VOLUME); /* dwFlags */
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Stream_Write_UINT32(pdu, dwVolume); /* dwVolume */
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Stream_Write_UINT32(pdu, 0); /* dwPitch */
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Stream_Write_UINT16(pdu, 0); /* wDGramPort */
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Stream_Write_UINT16(pdu, wNumberOfFormats); /* wNumberOfFormats */
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Stream_Write_UINT8(pdu, 0); /* cLastBlockConfirmed */
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Stream_Write_UINT16(pdu, 6); /* wVersion */
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Stream_Write_UINT8(pdu, 0); /* bPad */
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for (index = 0; index < (int) wNumberOfFormats; index++)
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{
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clientFormat = &rdpsnd->ClientFormats[index];
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Stream_Write_UINT16(pdu, clientFormat->wFormatTag);
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Stream_Write_UINT16(pdu, clientFormat->nChannels);
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Stream_Write_UINT32(pdu, clientFormat->nSamplesPerSec);
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Stream_Write_UINT32(pdu, clientFormat->nAvgBytesPerSec);
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Stream_Write_UINT16(pdu, clientFormat->nBlockAlign);
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Stream_Write_UINT16(pdu, clientFormat->wBitsPerSample);
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Stream_Write_UINT16(pdu, clientFormat->cbSize);
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if (clientFormat->cbSize > 0)
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Stream_Write(pdu, clientFormat->data, clientFormat->cbSize);
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}
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WLog_Print(rdpsnd->log, WLOG_DEBUG, "Client Audio Formats");
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return rdpsnd_virtual_channel_write(rdpsnd, pdu);
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rdpsnd_recv_server_audio_formats_pdu(rdpsndPlugin* rdpsnd, wStream* s)
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{
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int index;
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UINT16 wVersion;
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AUDIO_FORMAT* format;
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UINT16 wNumberOfFormats;
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UINT ret = ERROR_BAD_LENGTH;
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rdpsnd_free_audio_formats(rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
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rdpsnd->NumberOfServerFormats = 0;
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rdpsnd->ServerFormats = NULL;
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if (Stream_GetRemainingLength(s) < 30)
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return ERROR_BAD_LENGTH;
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/* http://msdn.microsoft.com/en-us/library/cc240956.aspx */
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Stream_Seek_UINT32(s); /* dwFlags */
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Stream_Seek_UINT32(s); /* dwVolume */
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Stream_Seek_UINT32(s); /* dwPitch */
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Stream_Seek_UINT16(s); /* wDGramPort */
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Stream_Read_UINT16(s, wNumberOfFormats);
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Stream_Read_UINT8(s, rdpsnd->cBlockNo); /* cLastBlockConfirmed */
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Stream_Read_UINT16(s, wVersion); /* wVersion */
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Stream_Seek_UINT8(s); /* bPad */
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rdpsnd->NumberOfServerFormats = wNumberOfFormats;
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if (Stream_GetRemainingLength(s) / 14 < wNumberOfFormats)
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return ERROR_BAD_LENGTH;
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rdpsnd->ServerFormats = (AUDIO_FORMAT*) calloc(wNumberOfFormats, sizeof(AUDIO_FORMAT));
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if (!rdpsnd->ServerFormats)
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return CHANNEL_RC_NO_MEMORY;
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for (index = 0; index < (int) wNumberOfFormats; index++)
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{
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format = &rdpsnd->ServerFormats[index];
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if (Stream_GetRemainingLength(s) < 14)
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goto out_fail;
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Stream_Read_UINT16(s, format->wFormatTag); /* wFormatTag */
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Stream_Read_UINT16(s, format->nChannels); /* nChannels */
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Stream_Read_UINT32(s, format->nSamplesPerSec); /* nSamplesPerSec */
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Stream_Read_UINT32(s, format->nAvgBytesPerSec); /* nAvgBytesPerSec */
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Stream_Read_UINT16(s, format->nBlockAlign); /* nBlockAlign */
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Stream_Read_UINT16(s, format->wBitsPerSample); /* wBitsPerSample */
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Stream_Read_UINT16(s, format->cbSize); /* cbSize */
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if (format->cbSize > 0)
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{
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if (Stream_GetRemainingLength(s) < format->cbSize)
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goto out_fail;
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format->data = (BYTE*) malloc(format->cbSize);
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if (!format->data)
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{
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ret = CHANNEL_RC_NO_MEMORY;
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goto out_fail;
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}
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Stream_Read(s, format->data, format->cbSize);
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}
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}
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rdpsnd_select_supported_audio_formats(rdpsnd);
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WLog_Print(rdpsnd->log, WLOG_DEBUG, "Server Audio Formats");
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ret = rdpsnd_send_client_audio_formats(rdpsnd);
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if (ret == CHANNEL_RC_OK)
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{
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if (wVersion >= 6)
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ret = rdpsnd_send_quality_mode_pdu(rdpsnd);
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}
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return ret;
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out_fail:
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for (index = 0; index < (int) wNumberOfFormats; index++)
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free(format->data);
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free(rdpsnd->ServerFormats);
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rdpsnd->ServerFormats = NULL;
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return ret;
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}
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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UINT rdpsnd_send_training_confirm_pdu(rdpsndPlugin* rdpsnd, UINT16 wTimeStamp, UINT16 wPackSize)
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{
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wStream* pdu;
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pdu = Stream_New(NULL, 8);
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if (!pdu)
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{
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WLog_ERR(TAG, "Stream_New failed!");
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return CHANNEL_RC_NO_MEMORY;
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}
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Stream_Write_UINT8(pdu, SNDC_TRAINING); /* msgType */
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Stream_Write_UINT8(pdu, 0); /* bPad */
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Stream_Write_UINT16(pdu, 4); /* BodySize */
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Stream_Write_UINT16(pdu, wTimeStamp);
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Stream_Write_UINT16(pdu, wPackSize);
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WLog_Print(rdpsnd->log, WLOG_DEBUG, "Training Response: wTimeStamp: %d wPackSize: %d",
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wTimeStamp, wPackSize);
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return rdpsnd_virtual_channel_write(rdpsnd, pdu);
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}
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|
|
/**
|
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* Function description
|
|
*
|
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* @return 0 on success, otherwise a Win32 error code
|
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*/
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static UINT rdpsnd_recv_training_pdu(rdpsndPlugin* rdpsnd, wStream* s)
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{
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UINT16 wTimeStamp;
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UINT16 wPackSize;
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if (Stream_GetRemainingLength(s) < 4)
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return ERROR_BAD_LENGTH;
|
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Stream_Read_UINT16(s, wTimeStamp);
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Stream_Read_UINT16(s, wPackSize);
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WLog_Print(rdpsnd->log, WLOG_DEBUG, "Training Request: wTimeStamp: %d wPackSize: %d",
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wTimeStamp, wPackSize);
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return rdpsnd_send_training_confirm_pdu(rdpsnd, wTimeStamp, wPackSize);
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}
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|
|
/**
|
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* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
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static UINT rdpsnd_recv_wave_info_pdu(rdpsndPlugin* rdpsnd, wStream* s, UINT16 BodySize)
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{
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UINT16 wFormatNo;
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AUDIO_FORMAT* format;
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|
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rdpsnd->expectingWave = TRUE;
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if (Stream_GetRemainingLength(s) < 12)
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return ERROR_BAD_LENGTH;
|
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Stream_Read_UINT16(s, rdpsnd->wTimeStamp);
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Stream_Read_UINT16(s, wFormatNo);
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Stream_Read_UINT8(s, rdpsnd->cBlockNo);
|
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Stream_Seek(s, 3); /* bPad */
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Stream_Read(s, rdpsnd->waveData, 4);
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rdpsnd->waveDataSize = BodySize - 8;
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format = &rdpsnd->ClientFormats[wFormatNo];
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WLog_Print(rdpsnd->log, WLOG_DEBUG, "WaveInfo: cBlockNo: %d wFormatNo: %d",
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rdpsnd->cBlockNo, wFormatNo);
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|
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if (!rdpsnd->isOpen)
|
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{
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rdpsnd->isOpen = TRUE;
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rdpsnd->wCurrentFormatNo = wFormatNo;
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|
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//rdpsnd_print_audio_format(format);
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|
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if (rdpsnd->device && rdpsnd->device->Open &&
|
|
!rdpsnd->device->Open(rdpsnd->device, format, rdpsnd->latency))
|
|
{
|
|
return CHANNEL_RC_INITIALIZATION_ERROR;
|
|
}
|
|
}
|
|
else if (wFormatNo != rdpsnd->wCurrentFormatNo)
|
|
{
|
|
rdpsnd->wCurrentFormatNo = wFormatNo;
|
|
|
|
if (rdpsnd->device)
|
|
{
|
|
if(rdpsnd->device->SetFormat && !rdpsnd->device->SetFormat(rdpsnd->device, format, rdpsnd->latency))
|
|
return CHANNEL_RC_INITIALIZATION_ERROR;
|
|
}
|
|
}
|
|
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpsnd_send_wave_confirm_pdu(rdpsndPlugin* rdpsnd, UINT16 wTimeStamp, BYTE cConfirmedBlockNo)
|
|
{
|
|
wStream* pdu;
|
|
|
|
pdu = Stream_New(NULL, 8);
|
|
if (!pdu)
|
|
{
|
|
WLog_ERR(TAG, "Stream_New failed!");
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
|
|
Stream_Write_UINT8(pdu, SNDC_WAVECONFIRM);
|
|
Stream_Write_UINT8(pdu, 0);
|
|
Stream_Write_UINT16(pdu, 4);
|
|
Stream_Write_UINT16(pdu, wTimeStamp);
|
|
Stream_Write_UINT8(pdu, cConfirmedBlockNo); /* cConfirmedBlockNo */
|
|
Stream_Write_UINT8(pdu, 0); /* bPad */
|
|
|
|
return rdpsnd_virtual_channel_write(rdpsnd, pdu);
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpsnd_confirm_wave(rdpsndPlugin* rdpsnd, RDPSND_WAVE* wave)
|
|
{
|
|
WLog_Print(rdpsnd->log, WLOG_DEBUG, "WaveConfirm: cBlockNo: %d wTimeStamp: %d wTimeDiff: %d",
|
|
wave->cBlockNo, wave->wTimeStampB, wave->wTimeStampB - wave->wTimeStampA);
|
|
|
|
return rdpsnd_send_wave_confirm_pdu(rdpsnd, wave->wTimeStampB, wave->cBlockNo);
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_device_send_wave_confirm_pdu(rdpsndDevicePlugin* device, RDPSND_WAVE* wave)
|
|
{
|
|
if (device->DisableConfirmThread)
|
|
return rdpsnd_confirm_wave(device->rdpsnd, wave);
|
|
|
|
if (!MessageQueue_Post(device->rdpsnd->MsgPipe->Out, NULL, 0, (void*) wave, NULL))
|
|
{
|
|
WLog_ERR(TAG, "MessageQueue_Post failed!");
|
|
return ERROR_INTERNAL_ERROR;
|
|
}
|
|
|
|
return CHANNEL_RC_OK;
|
|
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_recv_wave_pdu(rdpsndPlugin* rdpsnd, wStream* s)
|
|
{
|
|
int size;
|
|
BYTE* data;
|
|
RDPSND_WAVE* wave;
|
|
AUDIO_FORMAT* format;
|
|
UINT status;
|
|
|
|
rdpsnd->expectingWave = FALSE;
|
|
|
|
/**
|
|
* The Wave PDU is a special case: it is always sent after a Wave Info PDU,
|
|
* and we do not process its header. Instead, the header is pad that needs
|
|
* to be filled with the first four bytes of the audio sample data sent as
|
|
* part of the preceding Wave Info PDU.
|
|
*/
|
|
|
|
CopyMemory(Stream_Buffer(s), rdpsnd->waveData, 4);
|
|
|
|
data = Stream_Buffer(s);
|
|
size = (int) Stream_Capacity(s);
|
|
|
|
wave = (RDPSND_WAVE*) calloc(1, sizeof(RDPSND_WAVE));
|
|
if (!wave)
|
|
{
|
|
WLog_ERR(TAG, "calloc failed!");
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
|
|
wave->wLocalTimeA = GetTickCount();
|
|
wave->wTimeStampA = rdpsnd->wTimeStamp;
|
|
wave->wFormatNo = rdpsnd->wCurrentFormatNo;
|
|
wave->cBlockNo = rdpsnd->cBlockNo;
|
|
|
|
wave->data = data;
|
|
wave->length = size;
|
|
wave->AutoConfirm = TRUE;
|
|
|
|
format = &rdpsnd->ClientFormats[rdpsnd->wCurrentFormatNo];
|
|
wave->wAudioLength = rdpsnd_compute_audio_time_length(format, size);
|
|
|
|
WLog_Print(rdpsnd->log, WLOG_DEBUG, "Wave: cBlockNo: %d wTimeStamp: %d",
|
|
wave->cBlockNo, wave->wTimeStampA);
|
|
|
|
if (!rdpsnd->device)
|
|
{
|
|
wave->wLocalTimeB = wave->wLocalTimeA;
|
|
wave->wTimeStampB = wave->wTimeStampA;
|
|
status = rdpsnd_confirm_wave(rdpsnd, wave);
|
|
free(wave);
|
|
return status;
|
|
}
|
|
|
|
if (rdpsnd->device->WaveDecode && !rdpsnd->device->WaveDecode(rdpsnd->device, wave))
|
|
{
|
|
free(wave);
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
|
|
if (rdpsnd->device->WavePlay)
|
|
{
|
|
IFCALL(rdpsnd->device->WavePlay, rdpsnd->device, wave);
|
|
}
|
|
else
|
|
{
|
|
IFCALL(rdpsnd->device->Play, rdpsnd->device, data, size);
|
|
}
|
|
|
|
if (!rdpsnd->device->WavePlay)
|
|
{
|
|
wave->wTimeStampB = rdpsnd->wTimeStamp + wave->wAudioLength + TIME_DELAY_MS;
|
|
wave->wLocalTimeB = wave->wLocalTimeA + wave->wAudioLength + TIME_DELAY_MS;
|
|
}
|
|
|
|
status = CHANNEL_RC_OK;
|
|
if (wave->AutoConfirm)
|
|
status = rdpsnd->device->WaveConfirm(rdpsnd->device, wave);
|
|
return status;
|
|
}
|
|
|
|
static void rdpsnd_recv_close_pdu(rdpsndPlugin* rdpsnd)
|
|
{
|
|
WLog_Print(rdpsnd->log, WLOG_DEBUG, "Close");
|
|
|
|
if (rdpsnd->device)
|
|
{
|
|
IFCALL(rdpsnd->device->Close, rdpsnd->device);
|
|
}
|
|
|
|
rdpsnd->isOpen = FALSE;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_recv_volume_pdu(rdpsndPlugin* rdpsnd, wStream* s)
|
|
{
|
|
UINT32 dwVolume;
|
|
|
|
if (Stream_GetRemainingLength(s) < 4)
|
|
return ERROR_BAD_LENGTH;
|
|
|
|
Stream_Read_UINT32(s, dwVolume);
|
|
|
|
WLog_Print(rdpsnd->log, WLOG_DEBUG, "Volume: 0x%04X", dwVolume);
|
|
|
|
if (rdpsnd->device && rdpsnd->device->SetVolume &&
|
|
!rdpsnd->device->SetVolume(rdpsnd->device, dwVolume))
|
|
{
|
|
WLog_ERR(TAG, "error setting volume");
|
|
return CHANNEL_RC_INITIALIZATION_ERROR;
|
|
}
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_recv_pdu(rdpsndPlugin* rdpsnd, wStream* s)
|
|
{
|
|
BYTE msgType;
|
|
UINT16 BodySize;
|
|
UINT status = CHANNEL_RC_OK;
|
|
|
|
if (rdpsnd->expectingWave)
|
|
{
|
|
status = rdpsnd_recv_wave_pdu(rdpsnd, s);
|
|
goto out;
|
|
}
|
|
|
|
if (Stream_GetRemainingLength(s) < 4)
|
|
{
|
|
status = ERROR_BAD_LENGTH;
|
|
goto out;
|
|
}
|
|
|
|
Stream_Read_UINT8(s, msgType); /* msgType */
|
|
Stream_Seek_UINT8(s); /* bPad */
|
|
Stream_Read_UINT16(s, BodySize);
|
|
|
|
//WLog_ERR(TAG, "msgType %d BodySize %d", msgType, BodySize);
|
|
|
|
switch (msgType)
|
|
{
|
|
case SNDC_FORMATS:
|
|
status = rdpsnd_recv_server_audio_formats_pdu(rdpsnd, s);
|
|
break;
|
|
|
|
case SNDC_TRAINING:
|
|
status = rdpsnd_recv_training_pdu(rdpsnd, s);
|
|
break;
|
|
|
|
case SNDC_WAVE:
|
|
status = rdpsnd_recv_wave_info_pdu(rdpsnd, s, BodySize);
|
|
break;
|
|
|
|
case SNDC_CLOSE:
|
|
rdpsnd_recv_close_pdu(rdpsnd);
|
|
break;
|
|
|
|
case SNDC_SETVOLUME:
|
|
status = rdpsnd_recv_volume_pdu(rdpsnd, s);
|
|
break;
|
|
|
|
default:
|
|
WLog_ERR(TAG, "unknown msgType %d", msgType);
|
|
break;
|
|
}
|
|
|
|
out:
|
|
Stream_Free(s, TRUE);
|
|
return status;
|
|
}
|
|
|
|
static void rdpsnd_register_device_plugin(rdpsndPlugin* rdpsnd, rdpsndDevicePlugin* device)
|
|
{
|
|
if (rdpsnd->device)
|
|
{
|
|
WLog_ERR(TAG, "existing device, abort.");
|
|
return;
|
|
}
|
|
|
|
rdpsnd->device = device;
|
|
device->rdpsnd = rdpsnd;
|
|
|
|
device->WaveConfirm = rdpsnd_device_send_wave_confirm_pdu;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_load_device_plugin(rdpsndPlugin* rdpsnd, const char* name, ADDIN_ARGV* args)
|
|
{
|
|
PFREERDP_RDPSND_DEVICE_ENTRY entry;
|
|
FREERDP_RDPSND_DEVICE_ENTRY_POINTS entryPoints;\
|
|
UINT error;
|
|
|
|
entry = (PFREERDP_RDPSND_DEVICE_ENTRY) freerdp_load_channel_addin_entry("rdpsnd", (LPSTR) name, NULL, 0);
|
|
|
|
if (!entry)
|
|
return ERROR_INTERNAL_ERROR;
|
|
|
|
entryPoints.rdpsnd = rdpsnd;
|
|
entryPoints.pRegisterRdpsndDevice = rdpsnd_register_device_plugin;
|
|
entryPoints.args = args;
|
|
|
|
if ((error = entry(&entryPoints)))
|
|
WLog_ERR(TAG, "%s entry returns error %lu", name, error);
|
|
|
|
WLog_INFO(TAG, "Loaded %s backend for rdpsnd", name);
|
|
return error;
|
|
}
|
|
|
|
BOOL rdpsnd_set_subsystem(rdpsndPlugin* rdpsnd, const char* subsystem)
|
|
{
|
|
free(rdpsnd->subsystem);
|
|
rdpsnd->subsystem = _strdup(subsystem);
|
|
return (rdpsnd->subsystem != NULL);
|
|
}
|
|
|
|
BOOL rdpsnd_set_device_name(rdpsndPlugin* rdpsnd, const char* device_name)
|
|
{
|
|
free(rdpsnd->device_name);
|
|
rdpsnd->device_name = _strdup(device_name);
|
|
return (rdpsnd->device_name != NULL);
|
|
}
|
|
|
|
static COMMAND_LINE_ARGUMENT_A rdpsnd_args[] =
|
|
{
|
|
{ "sys", COMMAND_LINE_VALUE_REQUIRED, "<subsystem>", NULL, NULL, -1, NULL, "subsystem" },
|
|
{ "dev", COMMAND_LINE_VALUE_REQUIRED, "<device>", NULL, NULL, -1, NULL, "device" },
|
|
{ "format", COMMAND_LINE_VALUE_REQUIRED, "<format>", NULL, NULL, -1, NULL, "format" },
|
|
{ "rate", COMMAND_LINE_VALUE_REQUIRED, "<rate>", NULL, NULL, -1, NULL, "rate" },
|
|
{ "channel", COMMAND_LINE_VALUE_REQUIRED, "<channel>", NULL, NULL, -1, NULL, "channel" },
|
|
{ "latency", COMMAND_LINE_VALUE_REQUIRED, "<latency>", NULL, NULL, -1, NULL, "latency" },
|
|
{ "quality", COMMAND_LINE_VALUE_REQUIRED, "<quality mode>", NULL, NULL, -1, NULL, "quality mode" },
|
|
{ NULL, 0, NULL, NULL, NULL, -1, NULL, NULL }
|
|
};
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_process_addin_args(rdpsndPlugin* rdpsnd, ADDIN_ARGV* args)
|
|
{
|
|
int status;
|
|
DWORD flags;
|
|
COMMAND_LINE_ARGUMENT_A* arg;
|
|
|
|
rdpsnd->wQualityMode = HIGH_QUALITY; /* default quality mode */
|
|
|
|
|
|
if (args->argc > 1)
|
|
{
|
|
flags = COMMAND_LINE_SIGIL_NONE | COMMAND_LINE_SEPARATOR_COLON;
|
|
status = CommandLineParseArgumentsA(args->argc, (const char **) args->argv,
|
|
rdpsnd_args, flags, rdpsnd, NULL, NULL);
|
|
|
|
if (status < 0)
|
|
return CHANNEL_RC_INITIALIZATION_ERROR;
|
|
|
|
arg = rdpsnd_args;
|
|
|
|
do
|
|
{
|
|
if (!(arg->Flags & COMMAND_LINE_VALUE_PRESENT))
|
|
continue;
|
|
|
|
CommandLineSwitchStart(arg)
|
|
|
|
CommandLineSwitchCase(arg, "sys")
|
|
{
|
|
if (!rdpsnd_set_subsystem(rdpsnd, arg->Value))
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
CommandLineSwitchCase(arg, "dev")
|
|
{
|
|
if (!rdpsnd_set_device_name(rdpsnd, arg->Value))
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
CommandLineSwitchCase(arg, "format")
|
|
{
|
|
rdpsnd->fixedFormat = atoi(arg->Value);
|
|
}
|
|
CommandLineSwitchCase(arg, "rate")
|
|
{
|
|
rdpsnd->fixedRate = atoi(arg->Value);
|
|
}
|
|
CommandLineSwitchCase(arg, "channel")
|
|
{
|
|
rdpsnd->fixedChannel = atoi(arg->Value);
|
|
}
|
|
CommandLineSwitchCase(arg, "latency")
|
|
{
|
|
rdpsnd->latency = atoi(arg->Value);
|
|
}
|
|
CommandLineSwitchCase(arg, "quality")
|
|
{
|
|
int wQualityMode = DYNAMIC_QUALITY;
|
|
|
|
if (_stricmp(arg->Value, "dynamic") == 0)
|
|
wQualityMode = DYNAMIC_QUALITY;
|
|
else if (_stricmp(arg->Value, "medium") == 0)
|
|
wQualityMode = MEDIUM_QUALITY;
|
|
else if (_stricmp(arg->Value, "high") == 0)
|
|
wQualityMode = HIGH_QUALITY;
|
|
else
|
|
wQualityMode = atoi(arg->Value);
|
|
|
|
if ((wQualityMode < 0) || (wQualityMode > 2))
|
|
wQualityMode = DYNAMIC_QUALITY;
|
|
|
|
rdpsnd->wQualityMode = (UINT16) wQualityMode;
|
|
}
|
|
CommandLineSwitchDefault(arg)
|
|
{
|
|
|
|
}
|
|
|
|
CommandLineSwitchEnd(arg)
|
|
}
|
|
while ((arg = CommandLineFindNextArgumentA(arg)) != NULL);
|
|
}
|
|
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_process_connect(rdpsndPlugin* rdpsnd)
|
|
{
|
|
ADDIN_ARGV* args;
|
|
UINT status = ERROR_INTERNAL_ERROR;
|
|
char *subsystem_name = NULL, *device_name = NULL;
|
|
|
|
rdpsnd->latency = -1;
|
|
|
|
args = (ADDIN_ARGV*) rdpsnd->channelEntryPoints.pExtendedData;
|
|
if (args)
|
|
{
|
|
status = rdpsnd_process_addin_args(rdpsnd, args);
|
|
if (status != CHANNEL_RC_OK)
|
|
return status;
|
|
}
|
|
|
|
if (rdpsnd->subsystem)
|
|
{
|
|
if (strcmp(rdpsnd->subsystem, "fake") == 0)
|
|
return CHANNEL_RC_OK;
|
|
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args)))
|
|
{
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", rdpsnd->subsystem, status);
|
|
return status;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#if defined(WITH_IOSAUDIO)
|
|
if (!rdpsnd->device)
|
|
{
|
|
subsystem_name = "ios";
|
|
device_name = "";
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, subsystem_name, args)))
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", subsystem_name, status);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_OPENSLES)
|
|
if (!rdpsnd->device)
|
|
{
|
|
subsystem_name = "opensles";
|
|
device_name = "";
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, subsystem_name, args)))
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", subsystem_name, status);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_PULSE)
|
|
if (!rdpsnd->device)
|
|
{
|
|
subsystem_name = "pulse";
|
|
device_name = "";
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, subsystem_name, args)))
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", subsystem_name, status);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_ALSA)
|
|
if (!rdpsnd->device)
|
|
{
|
|
subsystem_name = "alsa";
|
|
device_name = "default";
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, subsystem_name, args)))
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", subsystem_name, status);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_OSS)
|
|
if (!rdpsnd->device)
|
|
{
|
|
subsystem_name = "oss";
|
|
device_name = "";
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, subsystem_name, args)))
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", subsystem_name, status);
|
|
}
|
|
#endif
|
|
|
|
|
|
#if defined(WITH_MACAUDIO)
|
|
if (!rdpsnd->device)
|
|
{
|
|
subsystem_name = "mac";
|
|
device_name = "default";
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, subsystem_name, args)))
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", subsystem_name, status);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_WINMM)
|
|
if (!rdpsnd->device)
|
|
{
|
|
subsystem_name = "winmm";
|
|
device_name = "";
|
|
if ((status = rdpsnd_load_device_plugin(rdpsnd, subsystem_name, args)))
|
|
WLog_ERR(TAG, "unable to load the %s subsystem plugin because of error %lu", subsystem_name, status);
|
|
}
|
|
#endif
|
|
if (status)
|
|
return status;
|
|
|
|
if (rdpsnd->device)
|
|
{
|
|
if (!rdpsnd_set_subsystem(rdpsnd, subsystem_name) || !rdpsnd_set_device_name(rdpsnd, device_name))
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
}
|
|
|
|
if (!rdpsnd->device)
|
|
{
|
|
WLog_ERR(TAG, "no sound device.");
|
|
return CHANNEL_RC_INITIALIZATION_ERROR;
|
|
}
|
|
|
|
|
|
if (!rdpsnd->device->DisableConfirmThread)
|
|
{
|
|
rdpsnd->stopEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
if (!rdpsnd->stopEvent)
|
|
{
|
|
WLog_ERR(TAG, "CreateEvent failed!");
|
|
return CHANNEL_RC_INITIALIZATION_ERROR;
|
|
}
|
|
|
|
rdpsnd->ScheduleThread = CreateThread(NULL, 0,
|
|
(LPTHREAD_START_ROUTINE) rdpsnd_schedule_thread,
|
|
(void*) rdpsnd, 0, NULL);
|
|
if (!rdpsnd->ScheduleThread)
|
|
{
|
|
WLog_ERR(TAG, "CreateThread failed!");
|
|
return CHANNEL_RC_INITIALIZATION_ERROR;
|
|
}
|
|
}
|
|
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
static void rdpsnd_process_disconnect(rdpsndPlugin* rdpsnd)
|
|
{
|
|
if (rdpsnd->ScheduleThread)
|
|
{
|
|
SetEvent(rdpsnd->stopEvent);
|
|
if (WaitForSingleObject(rdpsnd->ScheduleThread, INFINITE) == WAIT_FAILED)
|
|
{
|
|
WLog_ERR(TAG, "WaitForSingleObject failed with error %lu!", GetLastError());
|
|
return;
|
|
}
|
|
CloseHandle(rdpsnd->ScheduleThread);
|
|
CloseHandle(rdpsnd->stopEvent);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************************/
|
|
|
|
|
|
static wListDictionary* g_InitHandles = NULL;
|
|
static wListDictionary* g_OpenHandles = NULL;
|
|
|
|
BOOL rdpsnd_add_init_handle_data(void* pInitHandle, void* pUserData)
|
|
{
|
|
if (!g_InitHandles)
|
|
{
|
|
g_InitHandles = ListDictionary_New(TRUE);
|
|
if (!g_InitHandles)
|
|
return FALSE;
|
|
}
|
|
|
|
return ListDictionary_Add(g_InitHandles, pInitHandle, pUserData);
|
|
}
|
|
|
|
void* rdpsnd_get_init_handle_data(void* pInitHandle)
|
|
{
|
|
void* pUserData = NULL;
|
|
pUserData = ListDictionary_GetItemValue(g_InitHandles, pInitHandle);
|
|
return pUserData;
|
|
}
|
|
|
|
void rdpsnd_remove_init_handle_data(void* pInitHandle)
|
|
{
|
|
ListDictionary_Remove(g_InitHandles, pInitHandle);
|
|
if (ListDictionary_Count(g_InitHandles) < 1)
|
|
{
|
|
ListDictionary_Free(g_InitHandles);
|
|
g_InitHandles = NULL;
|
|
}
|
|
}
|
|
|
|
BOOL rdpsnd_add_open_handle_data(DWORD openHandle, void* pUserData)
|
|
{
|
|
void* pOpenHandle = (void*) (size_t) openHandle;
|
|
|
|
if (!g_OpenHandles)
|
|
{
|
|
g_OpenHandles = ListDictionary_New(TRUE);
|
|
if (!g_OpenHandles)
|
|
return FALSE;
|
|
}
|
|
|
|
return ListDictionary_Add(g_OpenHandles, pOpenHandle, pUserData);
|
|
}
|
|
|
|
void* rdpsnd_get_open_handle_data(DWORD openHandle)
|
|
{
|
|
void* pUserData = NULL;
|
|
void* pOpenHandle = (void*) (size_t) openHandle;
|
|
pUserData = ListDictionary_GetItemValue(g_OpenHandles, pOpenHandle);
|
|
return pUserData;
|
|
}
|
|
|
|
void rdpsnd_remove_open_handle_data(DWORD openHandle)
|
|
{
|
|
void* pOpenHandle = (void*) (size_t) openHandle;
|
|
ListDictionary_Remove(g_OpenHandles, pOpenHandle);
|
|
if (ListDictionary_Count(g_OpenHandles) < 1)
|
|
{
|
|
ListDictionary_Free(g_OpenHandles);
|
|
g_OpenHandles = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpsnd_virtual_channel_write(rdpsndPlugin* rdpsnd, wStream* s)
|
|
{
|
|
UINT status;
|
|
|
|
if (!rdpsnd)
|
|
{
|
|
status = CHANNEL_RC_BAD_INIT_HANDLE;
|
|
}
|
|
else
|
|
{
|
|
status = rdpsnd->channelEntryPoints.pVirtualChannelWrite(rdpsnd->OpenHandle,
|
|
Stream_Buffer(s), (UINT32) Stream_GetPosition(s), s);
|
|
}
|
|
|
|
if (status != CHANNEL_RC_OK)
|
|
{
|
|
Stream_Free(s, TRUE);
|
|
WLog_ERR(TAG, "VirtualChannelWrite failed with %s [%08X]",
|
|
WTSErrorToString(status), status);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_virtual_channel_event_data_received(rdpsndPlugin* plugin,
|
|
void* pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags)
|
|
{
|
|
wStream* s;
|
|
|
|
if ((dataFlags & CHANNEL_FLAG_SUSPEND) || (dataFlags & CHANNEL_FLAG_RESUME))
|
|
{
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
if (dataFlags & CHANNEL_FLAG_FIRST)
|
|
{
|
|
if (plugin->data_in != NULL)
|
|
Stream_Free(plugin->data_in, TRUE);
|
|
|
|
plugin->data_in = Stream_New(NULL, totalLength);
|
|
if (!plugin->data_in)
|
|
{
|
|
WLog_ERR(TAG, "Stream_New failed!");
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
}
|
|
|
|
s = plugin->data_in;
|
|
|
|
if (!Stream_EnsureRemainingCapacity(s, (int) dataLength))
|
|
{
|
|
WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
|
|
Stream_Write(s, pData, dataLength);
|
|
|
|
if (dataFlags & CHANNEL_FLAG_LAST)
|
|
{
|
|
if (Stream_Capacity(s) != Stream_GetPosition(s))
|
|
{
|
|
WLog_ERR(TAG, "rdpsnd_virtual_channel_event_data_received: read error");
|
|
return ERROR_INTERNAL_ERROR;
|
|
}
|
|
|
|
plugin->data_in = NULL;
|
|
Stream_SealLength(s);
|
|
Stream_SetPosition(s, 0);
|
|
|
|
if (!MessageQueue_Post(plugin->MsgPipe->In, NULL, 0, (void*) s, NULL))
|
|
{
|
|
WLog_ERR(TAG, "MessageQueue_Post failed!");
|
|
return ERROR_INTERNAL_ERROR;
|
|
}
|
|
}
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
static VOID VCAPITYPE rdpsnd_virtual_channel_open_event(DWORD openHandle, UINT event,
|
|
LPVOID pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags)
|
|
{
|
|
rdpsndPlugin* rdpsnd;
|
|
UINT error = CHANNEL_RC_OK;
|
|
|
|
rdpsnd = (rdpsndPlugin*) rdpsnd_get_open_handle_data(openHandle);
|
|
|
|
if (!rdpsnd)
|
|
{
|
|
WLog_ERR(TAG, "rdpsnd_virtual_channel_open_event: error no match");
|
|
return;
|
|
}
|
|
|
|
switch (event)
|
|
{
|
|
case CHANNEL_EVENT_DATA_RECEIVED:
|
|
if ((error = rdpsnd_virtual_channel_event_data_received(rdpsnd, pData, dataLength, totalLength, dataFlags)))
|
|
WLog_ERR(TAG, "rdpsnd_virtual_channel_event_data_received failed with error %lu", error);
|
|
break;
|
|
|
|
case CHANNEL_EVENT_WRITE_COMPLETE:
|
|
Stream_Free((wStream*) pData, TRUE);
|
|
break;
|
|
|
|
case CHANNEL_EVENT_USER:
|
|
break;
|
|
}
|
|
if (error && rdpsnd->rdpcontext)
|
|
setChannelError(rdpsnd->rdpcontext, error, "rdpsnd_virtual_channel_open_event reported an error");
|
|
|
|
}
|
|
|
|
static void* rdpsnd_virtual_channel_client_thread(void* arg)
|
|
{
|
|
wStream* data;
|
|
wMessage message;
|
|
rdpsndPlugin* rdpsnd = (rdpsndPlugin*) arg;
|
|
UINT error;
|
|
|
|
if ((error = rdpsnd_process_connect(rdpsnd)))
|
|
{
|
|
WLog_ERR(TAG, "error connecting sound channel");
|
|
goto out;
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
if (!MessageQueue_Wait(rdpsnd->MsgPipe->In))
|
|
{
|
|
WLog_ERR(TAG, "MessageQueue_Wait failed!");
|
|
error = ERROR_INTERNAL_ERROR;
|
|
break;
|
|
}
|
|
|
|
if (!MessageQueue_Peek(rdpsnd->MsgPipe->In, &message, TRUE))
|
|
{
|
|
WLog_ERR(TAG, "MessageQueue_Peek failed!");
|
|
error = ERROR_INTERNAL_ERROR;
|
|
break;
|
|
}
|
|
|
|
if (message.id == WMQ_QUIT)
|
|
break;
|
|
|
|
if (message.id == 0)
|
|
{
|
|
data = (wStream*) message.wParam;
|
|
if ((error = rdpsnd_recv_pdu(rdpsnd, data)))
|
|
{
|
|
WLog_ERR(TAG, "error treating sound channel message");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
out:
|
|
if (error && rdpsnd->rdpcontext)
|
|
setChannelError(rdpsnd->rdpcontext, error, "rdpsnd_virtual_channel_client_thread reported an error");
|
|
|
|
rdpsnd_process_disconnect(rdpsnd);
|
|
|
|
ExitThread((DWORD)error);
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_virtual_channel_event_connected(rdpsndPlugin* plugin, LPVOID pData, UINT32 dataLength)
|
|
{
|
|
UINT32 status;
|
|
|
|
status = plugin->channelEntryPoints.pVirtualChannelOpen(plugin->InitHandle,
|
|
&plugin->OpenHandle, plugin->channelDef.name, rdpsnd_virtual_channel_open_event);
|
|
|
|
if (status != CHANNEL_RC_OK)
|
|
{
|
|
WLog_ERR(TAG, "pVirtualChannelOpen failed with %s [%08X]",
|
|
WTSErrorToString(status), status);
|
|
return status;
|
|
}
|
|
|
|
if (!rdpsnd_add_open_handle_data(plugin->OpenHandle, plugin))
|
|
{
|
|
WLog_ERR(TAG, "unable to register opened handle");
|
|
return ERROR_INTERNAL_ERROR;
|
|
}
|
|
|
|
plugin->MsgPipe = MessagePipe_New();
|
|
if (!plugin->MsgPipe)
|
|
{
|
|
WLog_ERR(TAG, "unable to create message pipe");
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
|
|
plugin->thread = CreateThread(NULL, 0,
|
|
(LPTHREAD_START_ROUTINE) rdpsnd_virtual_channel_client_thread, (void*) plugin, 0, NULL);
|
|
if (!plugin->thread)
|
|
{
|
|
WLog_ERR(TAG, "unable to create thread");
|
|
MessagePipe_Free(plugin->MsgPipe);
|
|
plugin->MsgPipe = NULL;
|
|
return ERROR_INTERNAL_ERROR;
|
|
}
|
|
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
static UINT rdpsnd_virtual_channel_event_disconnected(rdpsndPlugin* rdpsnd)
|
|
{
|
|
UINT error;
|
|
|
|
MessagePipe_PostQuit(rdpsnd->MsgPipe, 0);
|
|
if (WaitForSingleObject(rdpsnd->thread, INFINITE) == WAIT_FAILED)
|
|
{
|
|
error = GetLastError();
|
|
WLog_ERR(TAG, "WaitForSingleObject failed with error %lu!", error);
|
|
return error;
|
|
}
|
|
|
|
CloseHandle(rdpsnd->thread);
|
|
rdpsnd->thread = NULL;
|
|
|
|
error = rdpsnd->channelEntryPoints.pVirtualChannelClose(rdpsnd->OpenHandle);
|
|
if (CHANNEL_RC_OK != error)
|
|
{
|
|
WLog_ERR(TAG, "pVirtualChannelClose failed with %s [%08X]",
|
|
WTSErrorToString(error), error);
|
|
return error;
|
|
}
|
|
|
|
if (rdpsnd->data_in)
|
|
{
|
|
Stream_Free(rdpsnd->data_in, TRUE);
|
|
rdpsnd->data_in = NULL;
|
|
}
|
|
|
|
MessagePipe_Free(rdpsnd->MsgPipe);
|
|
rdpsnd->MsgPipe = NULL;
|
|
|
|
rdpsnd_free_audio_formats(rdpsnd->ClientFormats, rdpsnd->NumberOfClientFormats);
|
|
rdpsnd->NumberOfClientFormats = 0;
|
|
rdpsnd->ClientFormats = NULL;
|
|
|
|
rdpsnd_free_audio_formats(rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
|
|
rdpsnd->NumberOfServerFormats = 0;
|
|
rdpsnd->ServerFormats = NULL;
|
|
|
|
if (rdpsnd->device)
|
|
{
|
|
IFCALL(rdpsnd->device->Free, rdpsnd->device);
|
|
rdpsnd->device = NULL;
|
|
}
|
|
|
|
if (rdpsnd->subsystem)
|
|
{
|
|
free(rdpsnd->subsystem);
|
|
rdpsnd->subsystem = NULL;
|
|
}
|
|
|
|
if (rdpsnd->device_name)
|
|
{
|
|
free(rdpsnd->device_name);
|
|
rdpsnd->device_name = NULL;
|
|
}
|
|
|
|
rdpsnd_remove_open_handle_data(rdpsnd->OpenHandle);
|
|
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
static void rdpsnd_virtual_channel_event_terminated(rdpsndPlugin* rdpsnd)
|
|
{
|
|
rdpsnd_remove_init_handle_data(rdpsnd->InitHandle);
|
|
|
|
free(rdpsnd);
|
|
}
|
|
|
|
static VOID VCAPITYPE rdpsnd_virtual_channel_init_event(LPVOID pInitHandle, UINT event, LPVOID pData, UINT dataLength)
|
|
{
|
|
rdpsndPlugin* plugin;
|
|
UINT error = CHANNEL_RC_OK;
|
|
|
|
plugin = (rdpsndPlugin*) rdpsnd_get_init_handle_data(pInitHandle);
|
|
|
|
if (!plugin)
|
|
{
|
|
WLog_ERR(TAG, "rdpsnd_virtual_channel_init_event: error no match");
|
|
return;
|
|
}
|
|
|
|
switch (event)
|
|
{
|
|
case CHANNEL_EVENT_CONNECTED:
|
|
if ((error = rdpsnd_virtual_channel_event_connected(plugin, pData, dataLength)))
|
|
WLog_ERR(TAG, "rdpsnd_virtual_channel_event_connected failed with error %lu!", error);
|
|
break;
|
|
|
|
case CHANNEL_EVENT_DISCONNECTED:
|
|
if ((error = rdpsnd_virtual_channel_event_disconnected(plugin)))
|
|
WLog_ERR(TAG, "rdpsnd_virtual_channel_event_disconnected failed with error %lu!", error);
|
|
break;
|
|
|
|
case CHANNEL_EVENT_TERMINATED:
|
|
if (plugin->thread != NULL)
|
|
if ((error = rdpsnd_virtual_channel_event_disconnected(plugin)))
|
|
WLog_ERR(TAG, "rdpsnd_virtual_channel_event_disconnected failed with error %lu!", error);
|
|
rdpsnd_virtual_channel_event_terminated(plugin);
|
|
break;
|
|
}
|
|
if (error && plugin->rdpcontext)
|
|
setChannelError(plugin->rdpcontext, error, "rdpsnd_virtual_channel_init_event reported an error");
|
|
}
|
|
|
|
/* rdpsnd is always built-in */
|
|
#define VirtualChannelEntry rdpsnd_VirtualChannelEntry
|
|
|
|
BOOL VCAPITYPE VirtualChannelEntry(PCHANNEL_ENTRY_POINTS pEntryPoints)
|
|
{
|
|
UINT rc;
|
|
|
|
rdpsndPlugin* rdpsnd;
|
|
CHANNEL_ENTRY_POINTS_FREERDP* pEntryPointsEx;
|
|
|
|
|
|
rdpsnd = (rdpsndPlugin*) calloc(1, sizeof(rdpsndPlugin));
|
|
if (!rdpsnd)
|
|
{
|
|
WLog_ERR(TAG, "calloc failed!");
|
|
return FALSE;
|
|
}
|
|
|
|
#if !defined(_WIN32) && !defined(ANDROID)
|
|
{
|
|
sigset_t mask;
|
|
sigemptyset(&mask);
|
|
sigaddset(&mask, SIGIO);
|
|
pthread_sigmask(SIG_BLOCK, &mask, NULL);
|
|
}
|
|
#endif
|
|
|
|
rdpsnd->channelDef.options =
|
|
CHANNEL_OPTION_INITIALIZED |
|
|
CHANNEL_OPTION_ENCRYPT_RDP;
|
|
|
|
strcpy(rdpsnd->channelDef.name, "rdpsnd");
|
|
|
|
pEntryPointsEx = (CHANNEL_ENTRY_POINTS_FREERDP*) pEntryPoints;
|
|
|
|
if ((pEntryPointsEx->cbSize >= sizeof(CHANNEL_ENTRY_POINTS_FREERDP)) &&
|
|
(pEntryPointsEx->MagicNumber == FREERDP_CHANNEL_MAGIC_NUMBER))
|
|
{
|
|
rdpsnd->rdpcontext = pEntryPointsEx->context;
|
|
}
|
|
|
|
CopyMemory(&(rdpsnd->channelEntryPoints), pEntryPoints, sizeof(CHANNEL_ENTRY_POINTS_FREERDP));
|
|
|
|
rdpsnd->log = WLog_Get("com.freerdp.channels.rdpsnd.client");
|
|
|
|
rc = rdpsnd->channelEntryPoints.pVirtualChannelInit(&rdpsnd->InitHandle,
|
|
&rdpsnd->channelDef, 1, VIRTUAL_CHANNEL_VERSION_WIN2000, rdpsnd_virtual_channel_init_event);
|
|
if (CHANNEL_RC_OK != rc)
|
|
{
|
|
WLog_ERR(TAG, "pVirtualChannelInit failed with %s [%08X]",
|
|
WTSErrorToString(rc), rc);
|
|
free(rdpsnd);
|
|
return FALSE;
|
|
}
|
|
|
|
return rdpsnd_add_init_handle_data(rdpsnd->InitHandle, (void*) rdpsnd);
|
|
}
|