61 lines
1.6 KiB
Haxe
61 lines
1.6 KiB
Haxe
package kha.audio2.ogg.vorbis.data;
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import haxe.io.Bytes;
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import haxe.io.Input;
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import kha.audio2.ogg.vorbis.data.ReaderError.ReaderErrorType;
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import kha.audio2.ogg.vorbis.VorbisDecodeState;
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/**
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* ...
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* @author shohei909
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*/
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class Page {
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public var flag(default, null):Int;
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public function new () {
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}
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public function clone() {
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var page = new Page();
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page.flag = flag;
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return page;
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}
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// startPage
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public function start(decodeState:VorbisDecodeState) {
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decodeState.capturePattern();
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startWithoutCapturePattern(decodeState);
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}
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// startPageNoCapturePattern
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public function startWithoutCapturePattern(decodeState:VorbisDecodeState) {
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var version = decodeState.readByte();
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if (version != 0) {
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throw new ReaderError(ReaderErrorType.INVALID_STREAM_STRUCTURE_VERSION, "" + version);
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}
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this.flag = decodeState.readByte();
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var loc0 = decodeState.readInt32();
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var loc1 = decodeState.readInt32();
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// input serial number -- vorbis doesn't interleave, so discard
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decodeState.readInt32();
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//if (this.serial != get32(f)) throw new ReaderError(ReaderErrorType.incorrectStreamSerialNumber);
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// page sequence number
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decodeState.readInt32();
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// CRC32
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decodeState.readInt32();
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// pageSegments
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decodeState.setup(loc0, loc1);
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}
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}
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class PageFlag {
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static public inline var CONTINUED_PACKET = 1;
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static public inline var FIRST_PAGE = 2;
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static public inline var LAST_PAGE = 4;
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}
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