From 9fbf91db06a6d4f4b5cd8bb45389a731bb86bf22 Mon Sep 17 00:00:00 2001
From: Richard <q@1bpm.net>
Date: Sun, 13 Apr 2025 18:48:02 +0100
Subject: initial

---
 site/app/twine/flac fucking.js | 65 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 site/app/twine/flac fucking.js

(limited to 'site/app/twine/flac fucking.js')

diff --git a/site/app/twine/flac fucking.js b/site/app/twine/flac fucking.js
new file mode 100644
index 0000000..dcac896
--- /dev/null
+++ b/site/app/twine/flac fucking.js	
@@ -0,0 +1,65 @@
+var encoded = [];
+var encodedLength = 0;
+
+function encWriteCallback(buffer, bytes, samples, currentFrame) {
+encoded.push(buffer);
+encodedLength += bytes;
+}
+
+var source = await app.getCsound().getTable(113);
+var encoder = Flac.create_libflac_encoder(48000, 1, 16, 5, source.length, false);
+var init = Flac.init_encoder_stream(encoder, encWriteCallback, null, false, 0);
+var response = Flac.FLAC__stream_encoder_process(encoder, source, source.length);
+Flac.FLAC__stream_encoder_finish(encoder);
+Flac.FLAC__stream_encoder_delete(encoder);
+
+let merged = new Uint8Array(encodedLength);
+let offset = 0;
+encoded.forEach(item => {
+merged.set(item, offset);
+offset += item.length;
+});
+encoded = merged;
+
+
+//var encodedArr = new Uint8Array(encoded);
+var size = encoded.length;
+var decoded = [];
+var currentDataOffset = 0;
+function decReadCallback(bufferSize) {
+var end = currentDataOffset == size ? -1 : Math.min(currentDataOffset + bufferSize, size);
+var _buffer;
+var bytesRead;
+if (end !== -1) {
+//_buffer = encodedArr.subarray(currentDataOffset, end); 
+_buffer = encoded.slice(currentDataOffset, end);
+bytesRead = end - currentDataOffset;
+currentDataOffset = end;
+} else {
+bytesRead = 0;
+}
+return {buffer: _buffer, readDataLength: bytesRead, error: false};
+}
+
+function decWriteCallback(buffer, _frameHdr) {
+decoded.push(buffer);
+}
+
+function decErrorCallback(err, errMsg) {
+console.log(err, errMsg);
+}
+
+var decoder = Flac.create_libflac_decoder(false);
+var init = Flac.init_decoder_stream(decoder, decReadCallback, decWriteCallback, decErrorCallback, null, false);
+Flac.setOptions(decoder, {analyseSubframes: false, analyseResiduals: false, enableRawStreamMetadata: false});
+var response = Flac.FLAC__stream_decoder_process_until_end_of_stream(decoder);
+
+/*
+var state = 0;
+var response = true;
+while (state <= 3 && response != false) {
+response &= Flac.FLAC__stream_decoder_process_single(decoder);
+state = Flac.FLAC__stream_decoder_get_state(decoder);
+}
+*/
+Flac.FLAC__stream_decoder_finish(decoder);
\ No newline at end of file
-- 
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