1 files changed, 0 insertions, 90 deletions
diff --git a/node_modules/prism-media/src/opus/OggOpus.js b/node_modules/prism-media/src/opus/OggOpus.js
deleted file mode 100644
index 9a938cd..0000000
--- a/node_modules/prism-media/src/opus/OggOpus.js
+++ /dev/null
@@ -1,90 +0,0 @@
-const { Transform } = require('stream');
-
-const OGG_PAGE_HEADER_SIZE = 26;
-const STREAM_STRUCTURE_VERSION = 0;
-
-const OGGS_HEADER = Buffer.from('OggS'.split('').map(x => x.charCodeAt(0)));
-const OPUS_HEAD = Buffer.from('OpusHead'.split('').map(x => x.charCodeAt(0)));
-const OPUS_TAGS = Buffer.from('OpusTags'.split('').map(x => x.charCodeAt(0)));
-
-class OggOpusTransform extends Transform {
-  constructor() {
-    super();
-    this._remainder = null;
-    this._head = null;
-  }
-
-  _transform(chunk, encoding, done) {
-    if (this._remainder) {
-      chunk = Buffer.concat([this._remainder, chunk]);
-      this._remainder = null;
-    }
-
-    while (chunk) {
-      try {
-        const result = this.readPage(chunk);
-        if (result) chunk = result;
-        else break;
-      } catch (err) {
-        this.emit('error', err);
-      }
-    }
-    this._remainder = chunk;
-    done();
-  }
-
-  /**
-   * Reads a page from a buffer
-   * @param {Buffer} chunk The chunk containing the page
-   * @returns {boolean|Buffer}
-   */
-  readPage(chunk) {
-    if (chunk.length < OGG_PAGE_HEADER_SIZE) {
-      return false;
-    }
-    if (!chunk.slice(0, 4).equals(OGGS_HEADER)) {
-      throw Error(`capture_pattern is not ${OGGS_HEADER}`);
-    }
-    if (chunk.readUInt8(4) !== STREAM_STRUCTURE_VERSION) {
-      throw Error(`stream_structure_version is not ${STREAM_STRUCTURE_VERSION}`);
-    }
-
-    const pageSegments = chunk.readUInt8(26),
-      table = chunk.slice(27, 27 + pageSegments);
-
-    let sizes = [], totalSize = 0;
-
-    for (let i = 0; i < pageSegments;) {
-      let size = 0, x = 255;
-      while (x === 255) {
-        x = table.readUInt8(i);
-        i++;
-        size += x;
-      }
-      sizes.push(size);
-      totalSize += size;
-    }
-
-    if (chunk.length < 27 + pageSegments + totalSize) {
-      return false;
-    }
-
-    let start = 27 + pageSegments;
-    for (const size of sizes) {
-      const segment = chunk.slice(start, start + size);
-      const header = segment.slice(0, 8);
-      if (this._head) {
-        if (header.equals(OPUS_TAGS)) this.emit('opusTags', segment);
-        else this.push(segment);
-      } else if (header.equals(OPUS_HEAD)) {
-        this._head = segment;
-      } else {
-        throw Error(`Invalid segment ${segment}`);
-      }
-      start += size;
-    }
-    return chunk.slice(start);
-  }
-}
-
-module.exports = OggOpusTransform;