guacamole-spice-protocol/protocols/rdp/guac_rdpsnd/service.c
2012-10-28 00:23:44 -07:00

113 lines
2.8 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol client.
* Audio Output Virtual Channel
*
* Copyright 2009-2011 Jay Sorg
* Copyright 2010-2011 Vic Lee
*
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <freerdp/constants.h>
#include <freerdp/types.h>
#include <freerdp/utils/memory.h>
#include <freerdp/utils/stream.h>
#include <freerdp/utils/list.h>
#include <freerdp/utils/load_plugin.h>
#include <freerdp/utils/svc_plugin.h>
#include <guacamole/client.h>
#include "audio.h"
#include "service.h"
#include "messages.h"
/* SVC DEFINITION */
DEFINE_SVC_PLUGIN(guac_rdpsnd, "rdpsnd",
CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP)
void guac_rdpsnd_process_connect(rdpSvcPlugin* plugin) {
/* Get audio stream from plugin */
audio_stream* audio = (audio_stream*)
plugin->channel_entry_points.pExtendedData;
/* Log that sound has been loaded */
guac_client_log_info(audio->client, "guac_rdpsnd connected.");
}
void guac_rdpsnd_process_terminate(rdpSvcPlugin* plugin) {
xfree(plugin);
}
void guac_rdpsnd_process_event(rdpSvcPlugin* plugin, RDP_EVENT* event) {
freerdp_event_free(event);
}
void guac_rdpsnd_process_receive(rdpSvcPlugin* plugin,
STREAM* input_stream) {
guac_rdpsndPlugin* rdpsnd = (guac_rdpsndPlugin*) plugin;
/* Get audio stream from plugin */
audio_stream* audio = (audio_stream*)
plugin->channel_entry_points.pExtendedData;
uint8 msgType;
uint16 BodySize;
if (rdpsnd->expectingWave) {
rdpsnd_process_message_wave(rdpsnd, audio, input_stream);
return;
}
/* Read event */
stream_read_uint8(input_stream, msgType); /* msgType */
stream_seek_uint8(input_stream); /* bPad */
stream_read_uint16(input_stream, BodySize);
switch (msgType) {
case SNDC_FORMATS:
guac_rdpsnd_process_message_formats(rdpsnd, audio, input_stream);
break;
case SNDC_TRAINING:
guac_rdpsnd_process_message_training(rdpsnd, audio, input_stream);
break;
case SNDC_WAVE:
guac_rdpsnd_process_message_wave_info(rdpsnd, audio, input_stream, BodySize);
break;
case SNDC_CLOSE:
guac_rdpsnd_process_message_close(rdpsnd, audio);
break;
case SNDC_SETVOLUME:
guac_rdpsnd_process_message_setvolume(rdpsnd, audio, input_stream);
break;
default:
/*DEBUG_WARN("unknown msgType %d", msgType);*/
break;
}
}