prymula/com: DPF-Prymula-audioplugins/dpf/distrho/src/jackbridge/WebBridge.hpp annotate

author	prymula <prymula76@outlook.com>
date	Mon, 16 Oct 2023 21:53:34 +0200
parents
children

rev	line source
3 84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1 /*
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	2 * Web Audio + MIDI Bridge for DPF
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	3 * Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	4 *
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	5 * Permission to use, copy, modify, and/or distribute this software for any purpose with
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	6 * or without fee is hereby granted, provided that the above copyright notice and this
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	7 * permission notice appear in all copies.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	8 *
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	10 * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	11 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	12 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	15 */
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	16
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	17 #ifndef WEB_BRIDGE_HPP_INCLUDED
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	18 #define WEB_BRIDGE_HPP_INCLUDED
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	19
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	20 #include "NativeBridge.hpp"
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	21
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	22 #include <emscripten/emscripten.h>
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	23
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	24 struct WebBridge : NativeBridge {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	25 #if DISTRHO_PLUGIN_NUM_INPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	26 bool captureAvailable = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	27 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	28 #if DISTRHO_PLUGIN_NUM_OUTPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	29 bool playbackAvailable = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	30 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	31 bool active = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	32 double timestamp = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	33
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	34 WebBridge()
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	35 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	36 #if DISTRHO_PLUGIN_NUM_INPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	37 captureAvailable = EM_ASM_INT({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	38 if (typeof(navigator.mediaDevices) !== 'undefined' && typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	39 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	40 if (typeof(navigator.webkitGetUserMedia) !== 'undefined')
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	41 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	42 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	43 }) != 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	44 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	45
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	46 #if DISTRHO_PLUGIN_NUM_OUTPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	47 playbackAvailable = EM_ASM_INT({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	48 if (typeof(AudioContext) !== 'undefined')
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	49 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	50 if (typeof(webkitAudioContext) !== 'undefined')
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	51 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	52 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	53 }) != 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	54 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	55
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	56 #if DISTRHO_PLUGIN_WANT_MIDI_INPUT \|\| DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	57 midiAvailable = EM_ASM_INT({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	58 return typeof(navigator.requestMIDIAccess) === 'function' ? 1 : 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	59 }) != 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	60 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	61 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	62
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	63 bool open(const char*) override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	64 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	65 // early bail out if required features are not supported
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	66 #if DISTRHO_PLUGIN_NUM_INPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	67 if (!captureAvailable)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	68 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	69 #if DISTRHO_PLUGIN_NUM_OUTPUTS == 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	70 d_stderr2("Audio capture is not supported");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	71 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	72 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	73 if (!playbackAvailable)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	74 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	75 d_stderr2("Audio capture and playback are not supported");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	76 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	77 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	78 d_stderr2("Audio capture is not supported, but can still use playback");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	79 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	80 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	81 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	82
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	83 #if DISTRHO_PLUGIN_NUM_OUTPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	84 if (!playbackAvailable)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	85 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	86 d_stderr2("Audio playback is not supported");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	87 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	88 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	89 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	90
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	91 const bool initialized = EM_ASM_INT({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	92 if (typeof(Module['WebAudioBridge']) === 'undefined') {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	93 Module['WebAudioBridge'] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	94 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	95
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	96 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	97 if (!WAB.audioContext) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	98 if (typeof(AudioContext) !== 'undefined') {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	99 WAB.audioContext = new AudioContext();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	100 } else if (typeof(webkitAudioContext) !== 'undefined') {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	101 WAB.audioContext = new webkitAudioContext();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	102 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	103 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	104
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	105 return WAB.audioContext === undefined ? 0 : 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	106 }) != 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	107
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	108 if (!initialized)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	109 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	110 d_stderr2("Failed to initialize web audio");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	111 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	112 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	113
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	114 bufferSize = EM_ASM_INT({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	115 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	116 return WAB['minimizeBufferSize'] ? 256 : 2048;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	117 });
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	118 sampleRate = EM_ASM_INT_V({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	119 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	120 return WAB.audioContext.sampleRate;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	121 });
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	122
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	123 allocBuffers(true, true);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	124
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	125 EM_ASM({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	126 var numInputs = $0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	127 var numOutputs = $1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	128 var bufferSize = $2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	129 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	130
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	131 var realBufferSize = WAB['minimizeBufferSize'] ? 2048 : bufferSize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	132 var divider = realBufferSize / bufferSize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	133
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	134 // main processor
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	135 WAB.processor = WAB.audioContext['createScriptProcessor'](realBufferSize, numInputs, numOutputs);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	136 WAB.processor['onaudioprocess'] = function (e) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	137 // var timestamp = performance.now();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	138 for (var k = 0; k < divider; ++k) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	139 for (var i = 0; i < numInputs; ++i) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	140 var buffer = e['inputBuffer']['getChannelData'](i);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	141 for (var j = 0; j < bufferSize; ++j) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	142 // setValue($3 + ((bufferSize * i) + j) * 4, buffer[j], 'float');
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	143 HEAPF32[$3 + (((bufferSize * i) + j) << 2) >> 2] = buffer[bufferSize * k + j];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	144 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	145 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	146 dynCall('vi', $4, [$5]);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	147 for (var i = 0; i < numOutputs; ++i) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	148 var buffer = e['outputBuffer']['getChannelData'](i);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	149 var offset = bufferSize * (numInputs + i);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	150 for (var j = 0; j < bufferSize; ++j) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	151 buffer[bufferSize * k + j] = HEAPF32[$3 + ((offset + j) << 2) >> 2];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	152 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	153 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	154 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	155 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	156
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	157 // connect to output
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	158 WAB.processor['connect'](WAB.audioContext['destination']);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	159
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	160 // resume/start playback on first click
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	161 document.addEventListener('click', function(e) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	162 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	163 if (WAB.audioContext.state === 'suspended')
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	164 WAB.audioContext.resume();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	165 });
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	166 }, DISTRHO_PLUGIN_NUM_INPUTS_2, DISTRHO_PLUGIN_NUM_OUTPUTS_2, bufferSize, audioBufferStorage, WebAudioCallback, this);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	167
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	168 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	169 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	170
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	171 bool close() override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	172 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	173 freeBuffers();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	174 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	175 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	176
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	177 bool activate() override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	178 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	179 active = true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	180 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	181 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	182
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	183 bool deactivate() override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	184 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	185 active = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	186 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	187 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	188
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	189 bool supportsAudioInput() const override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	190 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	191 #if DISTRHO_PLUGIN_NUM_INPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	192 return captureAvailable;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	193 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	194 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	195 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	196 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	197
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	198 bool isAudioInputEnabled() const override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	199 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	200 #if DISTRHO_PLUGIN_NUM_INPUTS > 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	201 return EM_ASM_INT({ return Module['WebAudioBridge'].captureStreamNode ? 1 : 0 }) != 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	202 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	203 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	204 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	205 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	206
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	207 bool requestAudioInput() override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	208 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	209 DISTRHO_SAFE_ASSERT_RETURN(DISTRHO_PLUGIN_NUM_INPUTS > 0, false);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	210
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	211 EM_ASM({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	212 var numInputs = $0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	213 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	214
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	215 var constraints = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	216 // we need to use this weird awkward way for objects, otherwise build fails
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	217 constraints['audio'] = true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	218 constraints['video'] = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	219 constraints['autoGainControl'] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	220 constraints['autoGainControl']['ideal'] = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	221 constraints['echoCancellation'] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	222 constraints['echoCancellation']['ideal'] = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	223 constraints['noiseSuppression'] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	224 constraints['noiseSuppression']['ideal'] = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	225 constraints['channelCount'] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	226 constraints['channelCount']['min'] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	227 constraints['channelCount']['ideal'] = numInputs;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	228 constraints['latency'] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	229 constraints['latency']['min'] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	230 constraints['latency']['ideal'] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	231 constraints['sampleSize'] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	232 constraints['sampleSize']['min'] = 8;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	233 constraints['sampleSize']['max'] = 32;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	234 constraints['sampleSize']['ideal'] = 16;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	235 // old property for chrome
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	236 constraints['googAutoGainControl'] = false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	237
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	238 var success = function(stream) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	239 var track = stream.getAudioTracks()[0];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	240
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	241 // try to force as much as we can
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	242 track.applyConstraints({'autoGainControl': { 'exact': false } })
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	243 .then(function(){console.log("Mic/Input auto-gain control has been disabled")})
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	244 .catch(function(){console.log("Cannot disable Mic/Input auto-gain")});
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	245
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	246 track.applyConstraints({'echoCancellation': { 'exact': false } })
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	247 .then(function(){console.log("Mic/Input echo-cancellation has been disabled")})
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	248 .catch(function(){console.log("Cannot disable Mic/Input echo-cancellation")});
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	249
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	250 track.applyConstraints({'noiseSuppression': { 'exact': false } })
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	251 .then(function(){console.log("Mic/Input noise-suppression has been disabled")})
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	252 .catch(function(){console.log("Cannot disable Mic/Input noise-suppression")});
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	253
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	254 track.applyConstraints({'googAutoGainControl': { 'exact': false } })
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	255 .then(function(){})
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	256 .catch(function(){});
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	257
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	258 WAB.captureStreamNode = WAB.audioContext['createMediaStreamSource'](stream);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	259 WAB.captureStreamNode.connect(WAB.processor);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	260 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	261 var fail = function() {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	262 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	263
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	264 if (navigator.mediaDevices !== undefined && navigator.mediaDevices.getUserMedia !== undefined) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	265 navigator.mediaDevices.getUserMedia(constraints).then(success).catch(fail);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	266 } else if (navigator.webkitGetUserMedia !== undefined) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	267 navigator.webkitGetUserMedia(constraints, success, fail);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	268 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	269 }, DISTRHO_PLUGIN_NUM_INPUTS_2);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	270
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	271 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	272 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	273
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	274 bool supportsBufferSizeChanges() const override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	275 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	276 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	277 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	278
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	279 bool requestBufferSizeChange(const uint32_t newBufferSize) override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	280 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	281 // try to create new processor first
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	282 bool success = EM_ASM_INT({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	283 var numInputs = $0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	284 var numOutputs = $1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	285 var newBufferSize = $2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	286 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	287
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	288 try {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	289 WAB.newProcessor = WAB.audioContext['createScriptProcessor'](newBufferSize, numInputs, numOutputs);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	290 } catch (e) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	291 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	292 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	293
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	294 // got new processor, disconnect old one
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	295 WAB.processor['disconnect'](WAB.audioContext['destination']);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	296
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	297 if (WAB.captureStreamNode)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	298 WAB.captureStreamNode.disconnect(WAB.processor);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	299
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	300 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	301 }, DISTRHO_PLUGIN_NUM_INPUTS_2, DISTRHO_PLUGIN_NUM_OUTPUTS_2, newBufferSize) != 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	302
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	303 if (!success)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	304 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	305
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	306 bufferSize = newBufferSize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	307 freeBuffers();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	308 allocBuffers(true, true);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	309
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	310 if (bufferSizeCallback != nullptr)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	311 bufferSizeCallback(newBufferSize, jackBufferSizeArg);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	312
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	313 EM_ASM({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	314 var numInputsR = $0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	315 var numInputs = $1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	316 var numOutputs = $2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	317 var bufferSize = $3;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	318 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	319
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	320 // store the new processor
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	321 delete WAB.processor;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	322 WAB.processor = WAB.newProcessor;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	323 delete WAB.newProcessor;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	324
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	325 // setup new processor the same way as old one
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	326 WAB.processor['onaudioprocess'] = function (e) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	327 // var timestamp = performance.now();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	328 for (var i = 0; i < numInputs; ++i) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	329 var buffer = e['inputBuffer']['getChannelData'](i);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	330 for (var j = 0; j < bufferSize; ++j) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	331 // setValue($3 + ((bufferSize * i) + j) * 4, buffer[j], 'float');
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	332 HEAPF32[$4 + (((bufferSize * i) + j) << 2) >> 2] = buffer[j];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	333 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	334 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	335 dynCall('vi', $5, [$6]);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	336 for (var i = 0; i < numOutputs; ++i) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	337 var buffer = e['outputBuffer']['getChannelData'](i);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	338 var offset = bufferSize * (numInputsR + i);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	339 for (var j = 0; j < bufferSize; ++j) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	340 buffer[j] = HEAPF32[$3 + ((offset + j) << 2) >> 2];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	341 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	342 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	343 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	344
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	345 // connect to output
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	346 WAB.processor['connect'](WAB.audioContext['destination']);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	347
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	348 // and input, if available
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	349 if (WAB.captureStreamNode)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	350 WAB.captureStreamNode.connect(WAB.processor);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	351
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	352 }, DISTRHO_PLUGIN_NUM_INPUTS, DISTRHO_PLUGIN_NUM_INPUTS_2, DISTRHO_PLUGIN_NUM_OUTPUTS_2, bufferSize, audioBufferStorage, WebAudioCallback, this);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	353
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	354 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	355 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	356
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	357 bool isMIDIEnabled() const override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	358 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	359 #if DISTRHO_PLUGIN_WANT_MIDI_INPUT \|\| DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	360 return EM_ASM_INT({ return Module['WebAudioBridge'].midi ? 1 : 0 }) != 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	361 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	362 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	363 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	364 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	365
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	366 bool requestMIDI() override
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	367 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	368 #if DISTRHO_PLUGIN_WANT_MIDI_INPUT \|\| DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	369 if (midiAvailable)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	370 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	371 EM_ASM({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	372 var useInput = !!$0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	373 var useOutput = !!$1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	374 var maxSize = $2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	375 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	376
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	377 var offset = Module._malloc(maxSize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	378
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	379 var inputCallback = function(event) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	380 if (event.data.length > maxSize)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	381 return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	382 var buffer = new Uint8Array(Module.HEAPU8.buffer, offset, maxSize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	383 buffer.set(event.data);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	384 dynCall('viiif', $3, [$4, buffer.byteOffset, event.data.length, event.timeStamp]);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	385 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	386 var stateCallback = function(event) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	387 if (event.port.state === 'connected' && event.port.connection === 'open') {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	388 if (useInput && event.port.type === 'input') {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	389 if (event.port.name.indexOf('Midi Through') < 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	390 event.port.onmidimessage = inputCallback;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	391 } else if (useOutput && event.port.type === 'output') {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	392 event.port.open();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	393 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	394 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	395 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	396
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	397 var success = function(midi) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	398 WAB.midi = midi;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	399 midi.onstatechange = stateCallback;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	400 if (useInput) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	401 midi.inputs.forEach(function(port) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	402 if (port.name.indexOf('Midi Through') < 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	403 port.onmidimessage = inputCallback;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	404 });
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	405 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	406 if (useOutput) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	407 midi.outputs.forEach(function(port) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	408 port.open();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	409 });
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	410 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	411 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	412 var fail = function(why) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	413 console.log("midi access failed:", why);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	414 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	415
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	416 navigator.requestMIDIAccess().then(success, fail);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	417 }, DISTRHO_PLUGIN_WANT_MIDI_INPUT, DISTRHO_PLUGIN_WANT_MIDI_OUTPUT, kMaxMIDIInputMessageSize, WebMIDICallback, this);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	418
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	419 return true;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	420 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	421 else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	422 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	423 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	424 d_stderr2("MIDI is not supported");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	425 return false;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	426 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	427 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	428
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	429 static void WebAudioCallback(void* const userData /* , const double timestamp */)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	430 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	431 WebBridge* const self = static_cast<WebBridge*>(userData);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	432 // self->timestamp = timestamp;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	433
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	434 const uint numFrames = self->bufferSize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	435
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	436 if (self->jackProcessCallback != nullptr && self->active)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	437 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	438 self->jackProcessCallback(numFrames, self->jackProcessArg);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	439
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	440 #if DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	441 if (self->midiAvailable && self->midiOutBuffer.isDataAvailableForReading())
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	442 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	443 static_assert(kMaxMIDIInputMessageSize + 1u == 4, "change code if bumping this value");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	444 uint32_t offset = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	445 uint8_t bytes[4] = {};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	446 double timestamp = EM_ASM_DOUBLE({ return performance.now(); });
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	447
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	448 while (self->midiOutBuffer.isDataAvailableForReading() &&
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	449 self->midiOutBuffer.readCustomData(bytes, ARRAY_SIZE(bytes)))
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	450 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	451 offset = self->midiOutBuffer.readUInt();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	452
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	453 EM_ASM({
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	454 var WAB = Module['WebAudioBridge'];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	455 if (WAB.midi) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	456 var timestamp = $5 + $0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	457 var size = $1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	458 WAB.midi.outputs.forEach(function(port) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	459 if (port.state !== 'disconnected') {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	460 port.send(size == 3 ? [ $2, $3, $4 ] :
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	461 size == 2 ? [ $2, $3 ] :
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	462 [ $2 ], timestamp);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	463 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	464 });
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	465 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	466 }, offset, bytes[0], bytes[1], bytes[2], bytes[3], timestamp);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	467 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	468
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	469 self->midiOutBuffer.clearData();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	470 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	471 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	472 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	473 else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	474 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	475 for (uint i=0; i<DISTRHO_PLUGIN_NUM_OUTPUTS_2; ++i)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	476 std::memset(self->audioBuffers[DISTRHO_PLUGIN_NUM_INPUTS + i], 0, sizeof(float)*numFrames);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	477 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	478 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	479
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	480 #if DISTRHO_PLUGIN_WANT_MIDI_INPUT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	481 static void WebMIDICallback(void* const userData, uint8_t* const data, const int len, const double timestamp)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	482 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	483 DISTRHO_SAFE_ASSERT_RETURN(len > 0 && len <= (int)kMaxMIDIInputMessageSize,);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	484
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	485 WebBridge* const self = static_cast<WebBridge*>(userData);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	486
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	487 // TODO timestamp handling
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	488 self->midiInBufferPending.writeByte(static_cast<uint8_t>(len));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	489 self->midiInBufferPending.writeCustomData(data, kMaxMIDIInputMessageSize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	490 self->midiInBufferPending.commitWrite();
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	491 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	492 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	493 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	494
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	495 #endif // WEB_BRIDGE_HPP_INCLUDED

3

84e66ea83026 DPF-Prymula-audioplugins-0.231015-2