79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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* Copyright (C) 2015 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef GUAC_RAW_ENCODER_H
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#define GUAC_RAW_ENCODER_H
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#include "config.h"
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#include "audio.h"
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/**
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* The number of bytes to send in each audio blob.
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*/
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#define GUAC_RAW_ENCODER_BLOB_SIZE 6048
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/**
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* The size of the raw encoder output PCM buffer, in milliseconds. The
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* equivalent size in bytes will vary by PCM rate, number of channels, and bits
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* per sample.
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*/
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#define GUAC_RAW_ENCODER_BUFFER_SIZE 250
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/**
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* The current state of the raw encoder. The raw encoder performs very minimal
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* processing, buffering provided PCM data only as necessary to ensure audio
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* packet sizes are reasonable.
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*/
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typedef struct raw_encoder_state {
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/**
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* Buffer of not-yet-written raw PCM data.
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*/
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unsigned char* buffer;
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/**
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* Size of the PCM buffer, in bytes.
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*/
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int length;
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/**
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* The current number of bytes stored within the PCM buffer.
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*/
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int written;
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} raw_encoder_state;
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/**
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* Audio encoder which writes 8-bit raw PCM (one byte per sample).
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*/
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extern guac_audio_encoder* raw8_encoder;
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/**
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* Audio encoder which writes 16-bit raw PCM (two bytes per sample).
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*/
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extern guac_audio_encoder* raw16_encoder;
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#endif
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