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/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2009-2013
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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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#ifndef _SOUND_H_
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#define _SOUND_H_
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#if defined(XRDP_SIMPLESOUND)
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#include <pulse/simple.h>
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#include <pulse/error.h>
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#endif
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#include "arch.h"
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#include "parse.h"
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#include "os_calls.h"
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#include "chansrv.h"
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#include "trans.h"
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#define SNDC_CLOSE 0x01
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#define SNDC_WAVE 0x02
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#define SNDC_SETVOLUME 0x03
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#define SNDC_SETPITCH 0x04
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#define SNDC_WAVECONFIRM 0x05
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#define SNDC_TRAINING 0x06
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#define SNDC_FORMATS 0x07
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#define SNDC_CRYPTKEY 0x08
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#define SNDC_WAVEENCRYPT 0x09
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#define SNDC_UDPWAVE 0x0A
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#define SNDC_UDPWAVELAST 0x0B
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#define SNDC_QUALITYMODE 0x0C
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/* used for sound input (mic) */
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#define SNDC_REC_NEGOTIATE 39
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#define SNDC_REC_START 40
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#define SNDC_REC_STOP 41
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#define SNDC_REC_DATA 42
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#define SNDC_REC_SET_VOLUME 43
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/* commands recvd from pulseaudio source */
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#define PA_CMD_START_REC 1
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#define PA_CMD_STOP_REC 2
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#define PA_CMD_SEND_DATA 3
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int APP_CC sound_init(void);
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int APP_CC sound_deinit(void);
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int APP_CC sound_get_wait_objs(tbus* objs, int* count, int* timeout);
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int APP_CC sound_check_wait_objs(void);
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int APP_CC sound_data_in(struct stream* s, int chan_id, int chan_flags,
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int length, int total_length);
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/* microphone related */
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static int APP_CC sound_send_server_input_formats(void);
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static int APP_CC sound_process_input_format(int aindex, int wFormatTag,
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int nChannels, int nSamplesPerSec, int nAvgBytesPerSec,
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int nBlockAlign, int wBitsPerSample, int cbSize, char *data);
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static int APP_CC sound_process_input_formats(struct stream *s, int size);
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static int APP_CC sound_input_start_recording();
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static int APP_CC sound_input_stop_recording();
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static int APP_CC sound_process_input_data(struct stream *s, int bytes);
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static int DEFAULT_CC sound_sndsrvr_source_data_in(struct trans *trans);
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static int APP_CC load_pulse_modules();
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#endif
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