124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/**
|
|
* 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 "shadow.h"
|
|
|
|
#include "shadow_rdpsnd.h"
|
|
|
|
#define TAG SERVER_TAG("shadow")
|
|
|
|
/* Default supported audio formats */
|
|
static const AUDIO_FORMAT default_supported_audio_formats[] =
|
|
{
|
|
{ WAVE_FORMAT_AAC_MS, 2, 44100, 176400, 4, 16, 0, NULL },
|
|
{ WAVE_FORMAT_MPEGLAYER3, 2, 44100, 176400, 4, 16, 0, NULL },
|
|
{ WAVE_FORMAT_GSM610, 2, 44100, 176400, 4, 16, 0, NULL },
|
|
{ WAVE_FORMAT_PCM, 2, 44100, 176400, 4, 16, 0, NULL },
|
|
{ WAVE_FORMAT_ALAW, 2, 22050, 44100, 2, 8, 0, NULL },
|
|
};
|
|
static AUDIO_FORMAT supported_audio_formats[ARRAYSIZE(default_supported_audio_formats)] = { 0 };
|
|
|
|
static void rdpsnd_activated(RdpsndServerContext* context)
|
|
{
|
|
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 ((context->client_formats[i].wFormatTag == context->server_formats[j].wFormatTag) &&
|
|
(context->client_formats[i].nChannels == context->server_formats[j].nChannels) &&
|
|
(context->client_formats[i].nSamplesPerSec == context->server_formats[j].nSamplesPerSec))
|
|
{
|
|
agreed_format = (AUDIO_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
|
|
{
|
|
size_t x, y = 0;
|
|
|
|
for (x = 0; x < ARRAYSIZE(default_supported_audio_formats); x++)
|
|
{
|
|
const AUDIO_FORMAT* format = &default_supported_audio_formats[x];
|
|
|
|
if (freerdp_dsp_supports_format(format, TRUE))
|
|
supported_audio_formats[y++] = *format;
|
|
}
|
|
|
|
/* Set default audio formats. */
|
|
rdpsnd->server_formats = supported_audio_formats;
|
|
rdpsnd->num_server_formats = y;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|