mirror of https://github.com/FreeRDP/FreeRDP
154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* FreeRDP Windows Server (Audio Output)
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2013 Corey Clayton <can.of.tuna@gmail.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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#include <freerdp/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <winpr/windows.h>
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#include <freerdp/server/server-common.h>
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#include "wf_rdpsnd.h"
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#include "wf_info.h"
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#ifdef WITH_RDPSND_DSOUND
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#include "wf_directsound.h"
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#else
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#include "wf_wasapi.h"
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#endif
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#include <freerdp/log.h>
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#define TAG SERVER_TAG("windows")
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static void wf_peer_rdpsnd_activated(RdpsndServerContext* context)
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{
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wfInfo* wfi;
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wfi = wf_info_get_instance();
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wfi->agreed_format = NULL;
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WLog_DBG(TAG, "Client supports the following %d formats:", context->num_client_formats);
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size_t i = 0;
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for (; i < context->num_client_formats; i++)
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{
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// TODO: improve the way we agree on a format
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for (size_t j = 0; j < context->num_server_formats; j++)
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{
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if ((context->client_formats[i].wFormatTag == context->server_formats[j].wFormatTag) &&
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(context->client_formats[i].nChannels == context->server_formats[j].nChannels) &&
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(context->client_formats[i].nSamplesPerSec ==
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context->server_formats[j].nSamplesPerSec))
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{
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WLog_DBG(TAG, "agreed on format!");
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wfi->agreed_format = (AUDIO_FORMAT*)&context->server_formats[j];
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break;
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}
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}
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if (wfi->agreed_format != NULL)
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break;
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}
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if (wfi->agreed_format == NULL)
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{
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WLog_ERR(TAG, "Could not agree on a audio format with the server");
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return;
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}
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context->SelectFormat(context, i);
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context->SetVolume(context, 0x7FFF, 0x7FFF);
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#ifdef WITH_RDPSND_DSOUND
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wf_directsound_activate(context);
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#else
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wf_wasapi_activate(context);
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#endif
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}
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int wf_rdpsnd_lock()
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{
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DWORD dRes;
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wfInfo* wfi;
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wfi = wf_info_get_instance();
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dRes = WaitForSingleObject(wfi->snd_mutex, INFINITE);
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switch (dRes)
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{
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case WAIT_ABANDONED:
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case WAIT_OBJECT_0:
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return TRUE;
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break;
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case WAIT_TIMEOUT:
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return FALSE;
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break;
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case WAIT_FAILED:
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WLog_ERR(TAG, "wf_rdpsnd_lock failed with 0x%08lX", GetLastError());
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return -1;
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break;
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}
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return -1;
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}
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int wf_rdpsnd_unlock()
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{
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wfInfo* wfi;
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wfi = wf_info_get_instance();
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if (ReleaseMutex(wfi->snd_mutex) == 0)
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{
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WLog_DBG(TAG, "wf_rdpsnd_unlock failed with 0x%08lX", GetLastError());
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return -1;
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}
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return TRUE;
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}
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BOOL wf_peer_rdpsnd_init(wfPeerContext* context)
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{
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wfInfo* wfi = wf_info_get_instance();
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if (!wfi)
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return FALSE;
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if (!(wfi->snd_mutex = CreateMutex(NULL, FALSE, NULL)))
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return FALSE;
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context->rdpsnd = rdpsnd_server_context_new(context->vcm);
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context->rdpsnd->rdpcontext = &context->_p;
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context->rdpsnd->data = context;
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context->rdpsnd->num_server_formats =
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server_rdpsnd_get_formats(&context->rdpsnd->server_formats);
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if (context->rdpsnd->num_server_formats > 0)
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context->rdpsnd->src_format = &context->rdpsnd->server_formats[0];
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context->rdpsnd->Activated = wf_peer_rdpsnd_activated;
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context->rdpsnd->Initialize(context->rdpsnd, TRUE);
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wf_rdpsnd_set_latest_peer(context);
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wfi->snd_stop = FALSE;
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return TRUE;
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}
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