lili/data-over-audio
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move sample interleaving to audio sender/receiver

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This commit is contained in:
Lewis Moten
2024-05-14 03:09:41 -04:00
parent 398eea69b2
commit 522a925009
4 changed files with 57 additions and 32 deletions
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45
index.js
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@@ -145,8 +145,6 @@ function handleWindowLoad() {
speedPanel.setPacketizationBitsPerSecond(0);
speedPanel.setTransferDurationMilliseconds(0);
AudioReceiver.setTimeoutMilliseconds(signalPanel.getTimeoutMilliseconds());
// Events
communicationsPanel.addEventListener('sendSpeakersChange', handleChangeSendSpeakers);
@@ -184,9 +182,9 @@ function handleWindowLoad() {
packetizationPanel.addEventListener('sizePowerChange', configurationChanged);
packetizationPanel.addEventListener('interleavingChange', () => {
StreamManager.setSegmentEncoding(
packetizationPanel.getInterleaving() ? InterleaverEncoding : undefined
);
const encoding = packetizationPanel.getInterleaving() ? InterleaverEncoding : undefined;
AudioReceiver.setSampleEncoding(encoding);
AudioSender.setSampleEncoding(encoding)
configurationChanged();
});
packetizationPanel.addEventListener('errorCorrectionChange', configurationChanged);
@@ -196,6 +194,11 @@ function handleWindowLoad() {
packetizationPanel.addEventListener('packetCrcChange', configurationChanged);
packetizationPanel.addEventListener('sequenceNumberPowerChange', configurationChanged);
AudioReceiver.setTimeoutMilliseconds(signalPanel.getTimeoutMilliseconds());
const encoding = packetizationPanel.getInterleaving() ? InterleaverEncoding : undefined;
AudioReceiver.setSampleEncoding(encoding);
AudioSender.setSampleEncoding(encoding)
availableFskPairsPanel.addEventListener('change', (event) => {
frequencyGraphPanel.setFskPairs(event.selected);
configurationChanged();
@@ -477,21 +480,23 @@ function sendBytes(bytes) {
const packer = PacketUtils.pack(bits);
AudioSender.beginAt(startSeconds);
// send all packets
for(let i = 0; i < packetCount; i++) {
let packet = packer.getBits(i);
SENT_ENCODED_BITS.push(...packet);
if(packet.length > packetBitCount) {
console.error('Too many bits in the packet. tried to send %s, limited to %s', packet.length, packetBitCount);
AudioSender.stop();
return;
try {
AudioSender.beginAt(startSeconds);
// send all packets
for(let i = 0; i < packetCount; i++) {
let packet = packer.getBits(i);
if(packet.length > packetBitCount) {
throw new Error(`Too many bits in the packet. tried to send ${packet.length}, limited to ${packetBitCount}`);
}
packet.push(...new Array(packetBitCount - packet.length).fill(0));
sendPacket(packet, startSeconds + (i * packetDurationSeconds));
}
packet = padArray(packet, packetBitCount, 0);
sendPacket(packet, startSeconds + (i * packetDurationSeconds));
AudioSender.stopAt(startSeconds + totalDurationSeconds);
} catch (e) {
console.error(e);
AudioSender.stop();
return;
}
AudioSender.stopAt(startSeconds + totalDurationSeconds);
showSentBits();
// start the graph moving again
@@ -531,8 +536,8 @@ function sendPacket(bits, packetStartSeconds) {
const segmentDurationSeconds = PacketUtils.getSegmentDurationSeconds();
for(let i = 0; i < bitCount; i += channelCount) {
let segmentBits = bits.slice(i, i + channelCount);
if(packetizationPanel.getInterleaving()) {
segmentBits = InterleaverEncoding.encode(segmentBits);
if(segmentBits.length !== channelCount) {
segmentBits.push(...new Array(channelCount - segmentBits.length).fill(0))
}
const segmentIndex = Math.floor(i / channelCount);
var offsetSeconds = segmentIndex * segmentDurationSeconds;