/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 *

 * Copyright 2015 Jiang Zihao <zihao.jiang@yahoo.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <winpr/crt.h>

#include <freerdp/log.h>

#include <freerdp/codec/dsp.h>

#include <freerdp/server/server-common.h>

#include "shadow.h"

#include "shadow_rdpsnd.h"

#define TAG SERVER_TAG("shadow")

static void rdpsnd_activated(RdpsndServerContext* context)

{

	const AUDIO_FORMAT* agreed_format = NULL;

	UINT16 i = 0, j = 0;

	for (i = 0; i < context->num_client_formats; i++)

	{

		for (j = 0; j < context->num_server_formats; j++)

		{

			if (audio_format_compatible(&context->server_formats[j], &context->client_formats[i]))

			{

				agreed_format = &context->server_formats[j];

				break;

			}

		}

		if (agreed_format != NULL)

			break;

	}

	if (agreed_format == NULL)

	{

		WLog_ERR(TAG, "Could not agree on a audio format with the server\n");

		return;

	}

	context->SelectFormat(context, i);

}

int shadow_client_rdpsnd_init(rdpShadowClient* client)

{

	RdpsndServerContext* rdpsnd;

	rdpsnd = client->rdpsnd = rdpsnd_server_context_new(client->vcm);

	if (!rdpsnd)

	{

		return 0;

	}

	rdpsnd->data = client;

	if (client->subsystem->rdpsndFormats)

	{

		rdpsnd->server_formats = client->subsystem->rdpsndFormats;

		rdpsnd->num_server_formats = client->subsystem->nRdpsndFormats;

	}

	else

	{

		rdpsnd->num_server_formats = server_rdpsnd_get_formats(&rdpsnd->server_formats);

	}

	if (rdpsnd->num_server_formats > 0)

		rdpsnd->src_format = &rdpsnd->server_formats[0];

	rdpsnd->Activated = rdpsnd_activated;

	rdpsnd->Initialize(rdpsnd, TRUE);

	return 1;

}

void shadow_client_rdpsnd_uninit(rdpShadowClient* client)

{

	if (client->rdpsnd)

	{

		client->rdpsnd->Stop(client->rdpsnd);

		rdpsnd_server_context_free(client->rdpsnd);

		client->rdpsnd = NULL;

	}

}