802 lines
20 KiB
C
802 lines
20 KiB
C
/**
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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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*
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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/synch.h>
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#include <winpr/print.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 <freerdp/constants.h>
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#include <winpr/stream.h>
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#include <freerdp/utils/signal.h>
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#include <freerdp/utils/svc_plugin.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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rdpSvcPlugin plugin;
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HANDLE thread;
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wMessageQueue* queue;
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BYTE cBlockNo;
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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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};
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static void rdpsnd_send_wave_confirm_pdu(rdpsndPlugin* rdpsnd, UINT16 wTimeStamp, BYTE cConfirmedBlockNo);
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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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while (1)
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{
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if (!MessageQueue_Wait(rdpsnd->queue))
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break;
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if (!MessageQueue_Peek(rdpsnd->queue, &message, TRUE))
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break;
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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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rdpsnd_send_wave_confirm_pdu(rdpsnd, wave->wTimeStampB, wave->cBlockNo);
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free(wave);
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message.wParam = NULL;
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}
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return NULL;
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}
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void 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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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, HIGH_QUALITY); /* wQualityMode */
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Stream_Write_UINT16(pdu, 0); /* Reserved */
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svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
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}
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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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fprintf(stderr, "Server ");
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rdpsnd_print_audio_formats(rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
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fprintf(stderr, "\n");
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fprintf(stderr, "Client ");
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rdpsnd_print_audio_formats(rdpsnd->ClientFormats, rdpsnd->NumberOfClientFormats);
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fprintf(stderr, "\n");
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#endif
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}
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void 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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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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svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
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}
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void 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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UINT32 dwVolume;
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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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Stream_Seek_UINT32(s); /* dwFlags */
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Stream_Read_UINT32(s, dwVolume); /* 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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rdpsnd->ServerFormats = (AUDIO_FORMAT*) malloc(sizeof(AUDIO_FORMAT) * wNumberOfFormats);
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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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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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format->data = (BYTE*) malloc(format->cbSize);
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Stream_Read(s, format->data, format->cbSize);
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}
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rdpsnd_select_supported_audio_formats(rdpsnd);
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rdpsnd_send_client_audio_formats(rdpsnd);
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if (wVersion >= 6)
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rdpsnd_send_quality_mode_pdu(rdpsnd);
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if (rdpsnd->device)
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IFCALL(rdpsnd->device->SetVolume, rdpsnd->device, dwVolume);
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}
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void 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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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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svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
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}
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static void 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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Stream_Read_UINT16(s, wTimeStamp);
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Stream_Read_UINT16(s, wPackSize);
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rdpsnd_send_training_confirm_pdu(rdpsnd, wTimeStamp, wPackSize);
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}
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static void 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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rdpsnd->expectingWave = TRUE;
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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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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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//rdpsnd_print_audio_format(format);
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if (rdpsnd->device)
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{
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IFCALL(rdpsnd->device->Open, rdpsnd->device, format, rdpsnd->latency);
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}
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}
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else if (wFormatNo != rdpsnd->wCurrentFormatNo)
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{
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rdpsnd->wCurrentFormatNo = wFormatNo;
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if (rdpsnd->device)
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{
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IFCALL(rdpsnd->device->SetFormat, rdpsnd->device, format, rdpsnd->latency);
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}
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}
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}
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void rdpsnd_send_wave_confirm_pdu(rdpsndPlugin* rdpsnd, UINT16 wTimeStamp, BYTE cConfirmedBlockNo)
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{
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wStream* pdu;
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pdu = Stream_New(NULL, 8);
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Stream_Write_UINT8(pdu, SNDC_WAVECONFIRM);
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Stream_Write_UINT8(pdu, 0);
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Stream_Write_UINT16(pdu, 4);
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Stream_Write_UINT16(pdu, wTimeStamp);
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Stream_Write_UINT8(pdu, cConfirmedBlockNo); /* cConfirmedBlockNo */
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Stream_Write_UINT8(pdu, 0); /* bPad */
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svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
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}
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static void rdpsnd_device_send_wave_confirm_pdu(rdpsndDevicePlugin* device, RDPSND_WAVE* wave)
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{
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MessageQueue_Post(device->rdpsnd->queue, NULL, 0, (void*) wave, NULL);
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}
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static void rdpsnd_recv_wave_pdu(rdpsndPlugin* rdpsnd, wStream* s)
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{
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int size;
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BYTE* data;
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RDPSND_WAVE* wave;
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AUDIO_FORMAT* format;
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rdpsnd->expectingWave = FALSE;
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/**
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* The Wave PDU is a special case: it is always sent after a Wave Info PDU,
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* and we do not process its header. Instead, the header is pad that needs
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* to be filled with the first four bytes of the audio sample data sent as
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* part of the preceding Wave Info PDU.
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*/
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CopyMemory(Stream_Buffer(s), rdpsnd->waveData, 4);
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data = Stream_Buffer(s);
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size = Stream_Capacity(s);
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wave = (RDPSND_WAVE*) malloc(sizeof(RDPSND_WAVE));
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wave->wLocalTimeA = GetTickCount();
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wave->wTimeStampA = rdpsnd->wTimeStamp;
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wave->wFormatNo = rdpsnd->wCurrentFormatNo;
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wave->cBlockNo = rdpsnd->cBlockNo;
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wave->data = data;
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wave->length = size;
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format = &rdpsnd->ClientFormats[rdpsnd->wCurrentFormatNo];
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wave->wAudioLength = rdpsnd_compute_audio_time_length(format, size);
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if (!rdpsnd->device)
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{
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free(wave);
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return;
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}
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if (rdpsnd->device->WaveDecode)
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{
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IFCALL(rdpsnd->device->WaveDecode, rdpsnd->device, wave);
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}
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if (rdpsnd->device->WavePlay)
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{
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IFCALL(rdpsnd->device->WavePlay, rdpsnd->device, wave);
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}
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else
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{
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IFCALL(rdpsnd->device->Play, rdpsnd->device, data, size);
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}
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if (!rdpsnd->device->WavePlay)
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{
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wave->wTimeStampB = rdpsnd->wTimeStamp + wave->wAudioLength + TIME_DELAY_MS;
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wave->wLocalTimeB = wave->wLocalTimeA + wave->wAudioLength + TIME_DELAY_MS;
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}
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rdpsnd->device->WaveConfirm(rdpsnd->device, wave);
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}
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static void rdpsnd_recv_close_pdu(rdpsndPlugin* rdpsnd)
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{
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DEBUG_SVC("server closes.");
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if (rdpsnd->device)
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{
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IFCALL(rdpsnd->device->Close, rdpsnd->device);
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}
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rdpsnd->isOpen = FALSE;
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}
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static void rdpsnd_recv_volume_pdu(rdpsndPlugin* rdpsnd, wStream* s)
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{
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UINT32 dwVolume;
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Stream_Read_UINT32(s, dwVolume);
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DEBUG_SVC("dwVolume 0x%X", dwVolume);
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if (rdpsnd->device)
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{
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IFCALL(rdpsnd->device->SetVolume, rdpsnd->device, dwVolume);
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}
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}
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static void rdpsnd_recv_pdu(rdpSvcPlugin* plugin, wStream* s)
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{
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BYTE msgType;
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UINT16 BodySize;
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rdpsndPlugin* rdpsnd = (rdpsndPlugin*) plugin;
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if (rdpsnd->expectingWave)
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{
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rdpsnd_recv_wave_pdu(rdpsnd, s);
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Stream_Free(s, TRUE);
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return;
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}
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Stream_Read_UINT8(s, msgType); /* msgType */
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Stream_Seek_UINT8(s); /* bPad */
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Stream_Read_UINT16(s, BodySize);
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//fprintf(stderr, "msgType %d BodySize %d\n", msgType, BodySize);
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switch (msgType)
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{
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case SNDC_FORMATS:
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rdpsnd_recv_server_audio_formats_pdu(rdpsnd, s);
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break;
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case SNDC_TRAINING:
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rdpsnd_recv_training_pdu(rdpsnd, s);
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break;
|
|
|
|
case SNDC_WAVE:
|
|
rdpsnd_recv_wave_info_pdu(rdpsnd, s, BodySize);
|
|
break;
|
|
|
|
case SNDC_CLOSE:
|
|
rdpsnd_recv_close_pdu(rdpsnd);
|
|
break;
|
|
|
|
case SNDC_SETVOLUME:
|
|
rdpsnd_recv_volume_pdu(rdpsnd, s);
|
|
break;
|
|
|
|
default:
|
|
DEBUG_WARN("unknown msgType %d", msgType);
|
|
break;
|
|
}
|
|
|
|
Stream_Free(s, TRUE);
|
|
}
|
|
|
|
static void rdpsnd_register_device_plugin(rdpsndPlugin* rdpsnd, rdpsndDevicePlugin* device)
|
|
{
|
|
if (rdpsnd->device)
|
|
{
|
|
DEBUG_WARN("existing device, abort.");
|
|
return;
|
|
}
|
|
|
|
rdpsnd->device = device;
|
|
device->rdpsnd = rdpsnd;
|
|
|
|
device->WaveConfirm = rdpsnd_device_send_wave_confirm_pdu;
|
|
}
|
|
|
|
static BOOL rdpsnd_load_device_plugin(rdpsndPlugin* rdpsnd, const char* name, ADDIN_ARGV* args)
|
|
{
|
|
PFREERDP_RDPSND_DEVICE_ENTRY entry;
|
|
FREERDP_RDPSND_DEVICE_ENTRY_POINTS entryPoints;
|
|
|
|
entry = (PFREERDP_RDPSND_DEVICE_ENTRY) freerdp_load_channel_addin_entry("rdpsnd", (LPSTR) name, NULL, 0);
|
|
|
|
if (!entry)
|
|
return FALSE;
|
|
|
|
entryPoints.rdpsnd = rdpsnd;
|
|
entryPoints.pRegisterRdpsndDevice = rdpsnd_register_device_plugin;
|
|
entryPoints.args = args;
|
|
|
|
if (entry(&entryPoints) != 0)
|
|
{
|
|
DEBUG_WARN("%s entry returns error.", name);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void rdpsnd_set_subsystem(rdpsndPlugin* rdpsnd, char* subsystem)
|
|
{
|
|
if (rdpsnd->subsystem)
|
|
free(rdpsnd->subsystem);
|
|
|
|
rdpsnd->subsystem = _strdup(subsystem);
|
|
}
|
|
|
|
void rdpsnd_set_device_name(rdpsndPlugin* rdpsnd, char* device_name)
|
|
{
|
|
if (rdpsnd->device_name)
|
|
free(rdpsnd->device_name);
|
|
|
|
rdpsnd->device_name = _strdup(device_name);
|
|
}
|
|
|
|
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" },
|
|
{ NULL, 0, NULL, NULL, NULL, -1, NULL, NULL }
|
|
};
|
|
|
|
static void rdpsnd_process_addin_args(rdpsndPlugin* rdpsnd, ADDIN_ARGV* args)
|
|
{
|
|
int status;
|
|
DWORD flags;
|
|
COMMAND_LINE_ARGUMENT_A* arg;
|
|
|
|
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;
|
|
|
|
arg = rdpsnd_args;
|
|
|
|
do
|
|
{
|
|
if (!(arg->Flags & COMMAND_LINE_VALUE_PRESENT))
|
|
continue;
|
|
|
|
CommandLineSwitchStart(arg)
|
|
|
|
CommandLineSwitchCase(arg, "sys")
|
|
{
|
|
rdpsnd_set_subsystem(rdpsnd, arg->Value);
|
|
}
|
|
CommandLineSwitchCase(arg, "dev")
|
|
{
|
|
rdpsnd_set_device_name(rdpsnd, arg->Value);
|
|
}
|
|
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);
|
|
}
|
|
CommandLineSwitchDefault(arg)
|
|
{
|
|
|
|
}
|
|
|
|
CommandLineSwitchEnd(arg)
|
|
}
|
|
while ((arg = CommandLineFindNextArgumentA(arg)) != NULL);
|
|
}
|
|
|
|
static void rdpsnd_process_connect(rdpSvcPlugin* plugin)
|
|
{
|
|
ADDIN_ARGV* args;
|
|
rdpsndPlugin* rdpsnd = (rdpsndPlugin*) plugin;
|
|
|
|
DEBUG_SVC("connecting");
|
|
|
|
rdpsnd->latency = -1;
|
|
rdpsnd->queue = MessageQueue_New();
|
|
rdpsnd->thread = CreateThread(NULL, 0,
|
|
(LPTHREAD_START_ROUTINE) rdpsnd_schedule_thread,
|
|
(void*) plugin, 0, NULL);
|
|
|
|
args = (ADDIN_ARGV*) plugin->channel_entry_points.pExtendedData;
|
|
|
|
if (args)
|
|
rdpsnd_process_addin_args(rdpsnd, args);
|
|
|
|
if (rdpsnd->subsystem)
|
|
{
|
|
if (strcmp(rdpsnd->subsystem, "fake") == 0)
|
|
return;
|
|
|
|
rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
|
|
}
|
|
|
|
#if defined(WITH_IOSAUDIO)
|
|
if (!rdpsnd->device)
|
|
{
|
|
rdpsnd_set_subsystem(rdpsnd, "ios");
|
|
rdpsnd_set_device_name(rdpsnd, "");
|
|
rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_OPENSLES)
|
|
if (!rdpsnd->device)
|
|
{
|
|
rdpsnd_set_subsystem(rdpsnd, "opensles");
|
|
rdpsnd_set_device_name(rdpsnd, "");
|
|
rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_PULSE)
|
|
if (!rdpsnd->device)
|
|
{
|
|
rdpsnd_set_subsystem(rdpsnd, "pulse");
|
|
rdpsnd_set_device_name(rdpsnd, "");
|
|
rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_ALSA)
|
|
if (!rdpsnd->device)
|
|
{
|
|
rdpsnd_set_subsystem(rdpsnd, "alsa");
|
|
rdpsnd_set_device_name(rdpsnd, "default");
|
|
rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_MACAUDIO)
|
|
if (!rdpsnd->device)
|
|
{
|
|
rdpsnd_set_subsystem(rdpsnd, "macaudio");
|
|
rdpsnd_set_device_name(rdpsnd, "default");
|
|
rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
|
|
}
|
|
#endif
|
|
|
|
#if defined(WITH_WINMM)
|
|
if (!rdpsnd->device)
|
|
{
|
|
rdpsnd_set_subsystem(rdpsnd, "winmm");
|
|
rdpsnd_set_device_name(rdpsnd, "");
|
|
rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
|
|
}
|
|
#endif
|
|
|
|
if (!rdpsnd->device)
|
|
{
|
|
DEBUG_WARN("no sound device.");
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void rdpsnd_process_event(rdpSvcPlugin* plugin, wMessage* event)
|
|
{
|
|
freerdp_event_free(event);
|
|
}
|
|
|
|
static void rdpsnd_process_terminate(rdpSvcPlugin* plugin)
|
|
{
|
|
rdpsndPlugin* rdpsnd = (rdpsndPlugin*) plugin;
|
|
|
|
if (rdpsnd->device)
|
|
IFCALL(rdpsnd->device->Free, rdpsnd->device);
|
|
|
|
MessageQueue_PostQuit(rdpsnd->queue, 0);
|
|
WaitForSingleObject(rdpsnd->thread, INFINITE);
|
|
|
|
MessageQueue_Free(rdpsnd->queue);
|
|
CloseHandle(rdpsnd->thread);
|
|
|
|
if (rdpsnd->subsystem)
|
|
free(rdpsnd->subsystem);
|
|
|
|
if (rdpsnd->device_name)
|
|
free(rdpsnd->device_name);
|
|
|
|
rdpsnd_free_audio_formats(rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
|
|
rdpsnd->NumberOfServerFormats = 0;
|
|
rdpsnd->ServerFormats = NULL;
|
|
|
|
rdpsnd_free_audio_formats(rdpsnd->ClientFormats, rdpsnd->NumberOfClientFormats);
|
|
rdpsnd->NumberOfClientFormats = 0;
|
|
rdpsnd->ClientFormats = NULL;
|
|
}
|
|
|
|
/* rdpsnd is always built-in */
|
|
#define VirtualChannelEntry rdpsnd_VirtualChannelEntry
|
|
|
|
int VirtualChannelEntry(PCHANNEL_ENTRY_POINTS pEntryPoints)
|
|
{
|
|
rdpsndPlugin* _p;
|
|
|
|
_p = (rdpsndPlugin*) malloc(sizeof(rdpsndPlugin));
|
|
ZeroMemory(_p, sizeof(rdpsndPlugin));
|
|
|
|
_p->plugin.channel_def.options =
|
|
CHANNEL_OPTION_INITIALIZED |
|
|
CHANNEL_OPTION_ENCRYPT_RDP;
|
|
|
|
strcpy(_p->plugin.channel_def.name, "rdpsnd");
|
|
|
|
_p->plugin.connect_callback = rdpsnd_process_connect;
|
|
_p->plugin.receive_callback = rdpsnd_recv_pdu;
|
|
_p->plugin.event_callback = rdpsnd_process_event;
|
|
_p->plugin.terminate_callback = rdpsnd_process_terminate;
|
|
|
|
#if !defined(_WIN32) && !defined(ANDROID)
|
|
{
|
|
sigset_t mask;
|
|
sigemptyset(&mask);
|
|
sigaddset(&mask, SIGIO);
|
|
pthread_sigmask(SIG_BLOCK, &mask, NULL);
|
|
}
|
|
#endif
|
|
|
|
svc_plugin_init((rdpSvcPlugin*) _p, pEntryPoints);
|
|
|
|
return 1;
|
|
}
|