mirror of https://github.com/FreeRDP/FreeRDP
149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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*
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* Copyright 2015 Jiang Zihao <zihao.jiang@yahoo.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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#include <freerdp/log.h>
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#include <freerdp/codec/dsp.h>
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#include "shadow.h"
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#include "shadow_audin.h"
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#include <freerdp/server/server-common.h>
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#define TAG SERVER_TAG("shadow")
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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 AudinServerOpening(audin_server_context* context)
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{
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AUDIO_FORMAT* agreed_format = NULL;
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size_t i = 0, j = 0;
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for (i = 0; i < context->num_client_formats; i++)
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{
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for (j = 0; j < context->num_server_formats; j++)
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{
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if (audio_format_compatible(&context->server_formats[j], &context->client_formats[i]))
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{
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agreed_format = &context->server_formats[j];
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break;
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}
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}
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if (agreed_format != NULL)
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break;
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}
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if (agreed_format == NULL)
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{
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WLog_ERR(TAG, "Could not agree on a audio format with the server\n");
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return CHANNEL_RC_OK;
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}
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return IFCALLRESULT(ERROR_CALL_NOT_IMPLEMENTED, context->SelectFormat, context, i);
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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 AudinServerOpenResult(audin_server_context* context, UINT32 result)
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{
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WLog_INFO(TAG, "AUDIN open result %"PRIu32".\n", result);
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return CHANNEL_RC_OK;
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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 AudinServerReceiveSamples(audin_server_context* context, const AUDIO_FORMAT* format,
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wStream* buf, size_t nframes)
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{
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rdpShadowClient* client = (rdpShadowClient*)context->data;
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rdpShadowSubsystem* subsystem = client->server->subsystem;
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if (!client->mayInteract)
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return CHANNEL_RC_OK;
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if (!IFCALLRESULT(TRUE, subsystem->AudinServerReceiveSamples, subsystem, client, format, buf,
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nframes))
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return ERROR_INTERNAL_ERROR;
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return CHANNEL_RC_OK;
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}
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BOOL shadow_client_audin_init(rdpShadowClient* client)
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{
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audin_server_context* audin;
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audin = client->audin = audin_server_context_new(client->vcm);
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if (!audin)
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return FALSE;
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audin->data = client;
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if (client->subsystem->audinFormats)
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{
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size_t x;
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audin->server_formats = audio_formats_new(client->subsystem->nAudinFormats);
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if (!audin->server_formats)
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goto fail;
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for (x = 0; x < client->subsystem->nAudinFormats; x++)
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{
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if (!audio_format_copy(&client->subsystem->audinFormats[x], &audin->server_formats[x]))
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goto fail;
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}
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audin->num_server_formats = client->subsystem->nAudinFormats;
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}
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else
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{
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audin->num_server_formats = server_audin_get_formats(&audin->server_formats);
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}
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if (audin->num_server_formats < 1)
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goto fail;
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audin->dst_format = &audin->server_formats[0];
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audin->Opening = AudinServerOpening;
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audin->OpenResult = AudinServerOpenResult;
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audin->ReceiveSamples = AudinServerReceiveSamples;
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return TRUE;
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fail:
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audin_server_context_free(audin);
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client->audin = NULL;
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return FALSE;
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}
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void shadow_client_audin_uninit(rdpShadowClient* client)
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{
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if (client->audin)
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{
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audin_server_context_free(client->audin);
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client->audin = NULL;
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}
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}
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