66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef GUAC_RDP_BEEP_H
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#define GUAC_RDP_BEEP_H
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#include <freerdp/freerdp.h>
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#include <winpr/wtypes.h>
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/**
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* The sample rate of the each generated beep, in samples per second.
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*/
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#define GUAC_RDP_BEEP_SAMPLE_RATE 8000
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/**
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* The amplitude (volume) of each beep. As the beep is generated as 8-bit
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* signed PCM, this should be kept between 0 and 127 inclusive.
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*/
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#define GUAC_RDP_BEEP_AMPLITUDE 64
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/**
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* The maximum duration of each beep, in milliseconds. This value should be
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* kept relatively small to ensure the amount of data sent for each beep is
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* minimal.
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*/
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#define GUAC_RDP_BEEP_MAX_DURATION 500
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/**
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* Processes a Play Sound PDU received from the RDP server, beeping for the
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* requested duration and at the requested frequency. If audio has been
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* disabled for the connection, the Play Sound PDU will be silently ignored,
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* and this function has no effect. Beeps in excess of the maximum specified
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* by GUAC_RDP_BEEP_MAX_DURATION will be truncated.
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*
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* @param context
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* The rdpContext associated with the current RDP session.
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*
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* @param play_sound
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* The PLAY_SOUND_UPDATE structure representing the received Play Sound
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* PDU.
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*
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* @return
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* TRUE if successful, FALSE otherwise.
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*/
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BOOL guac_rdp_beep_play_sound(rdpContext* context,
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const PLAY_SOUND_UPDATE* play_sound);
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#endif
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