*/
@LATTICE("L<SH,SH<H,SH*")
@METHODDEFAULT("OUT<V,V<SH,SH<IN,SH*,THISLOC=V,GLOBALLOC=IN")
- class LayerIDecoder //implements FrameDecoder //compiler cannot do interfaces
+ class LayerIDecoder implements FrameDecoder
{
@LOC("H") protected Bitstream stream;
@LOC("H") protected Header header;
}
- /**
- * Abstract base class for subband classes of layer I and II
- */
- @LATTICE("L<H")
- static abstract class Subband
- {
- /*
- * Changes from version 1.1 to 1.2:
- * - array size increased by one, although a scalefactor with index 63
- * is illegal (to prevent segmentation faults)
- */
- // Scalefactors for layer I and II, Annex 3-B.1 in ISO/IEC DIS 11172:
- @LOC("H") public static final float scalefactors[] =
- {
- 2.00000000000000f, 1.58740105196820f, 1.25992104989487f, 1.00000000000000f,
- 0.79370052598410f, 0.62996052494744f, 0.50000000000000f, 0.39685026299205f,
- 0.31498026247372f, 0.25000000000000f, 0.19842513149602f, 0.15749013123686f,
- 0.12500000000000f, 0.09921256574801f, 0.07874506561843f, 0.06250000000000f,
- 0.04960628287401f, 0.03937253280921f, 0.03125000000000f, 0.02480314143700f,
- 0.01968626640461f, 0.01562500000000f, 0.01240157071850f, 0.00984313320230f,
- 0.00781250000000f, 0.00620078535925f, 0.00492156660115f, 0.00390625000000f,
- 0.00310039267963f, 0.00246078330058f, 0.00195312500000f, 0.00155019633981f,
- 0.00123039165029f, 0.00097656250000f, 0.00077509816991f, 0.00061519582514f,
- 0.00048828125000f, 0.00038754908495f, 0.00030759791257f, 0.00024414062500f,
- 0.00019377454248f, 0.00015379895629f, 0.00012207031250f, 0.00009688727124f,
- 0.00007689947814f, 0.00006103515625f, 0.00004844363562f, 0.00003844973907f,
- 0.00003051757813f, 0.00002422181781f, 0.00001922486954f, 0.00001525878906f,
- 0.00001211090890f, 0.00000961243477f, 0.00000762939453f, 0.00000605545445f,
- 0.00000480621738f, 0.00000381469727f, 0.00000302772723f, 0.00000240310869f,
- 0.00000190734863f, 0.00000151386361f, 0.00000120155435f, 0.00000000000000f /* illegal scalefactor */
- };
-
- public abstract void read_allocation (Bitstream stream, Header header, Crc16 crc) throws DecoderException;
- public abstract void read_scalefactor (Bitstream stream, Header header);
- public abstract boolean read_sampledata (Bitstream stream);
- public abstract boolean put_next_sample (int channels, SynthesisFilter filter1, SynthesisFilter filter2);
- };
+// /**
+// * Abstract base class for subband classes of layer I and II
+// */
+// @LATTICE("L<H")
+// static abstract class Subband
+// {
+// /*
+// * Changes from version 1.1 to 1.2:
+// * - array size increased by one, although a scalefactor with index 63
+// * is illegal (to prevent segmentation faults)
+// */
+// // Scalefactors for layer I and II, Annex 3-B.1 in ISO/IEC DIS 11172:
+// @LOC("H") public static final float scalefactors[] =
+// {
+// 2.00000000000000f, 1.58740105196820f, 1.25992104989487f, 1.00000000000000f,
+// 0.79370052598410f, 0.62996052494744f, 0.50000000000000f, 0.39685026299205f,
+// 0.31498026247372f, 0.25000000000000f, 0.19842513149602f, 0.15749013123686f,
+// 0.12500000000000f, 0.09921256574801f, 0.07874506561843f, 0.06250000000000f,
+// 0.04960628287401f, 0.03937253280921f, 0.03125000000000f, 0.02480314143700f,
+// 0.01968626640461f, 0.01562500000000f, 0.01240157071850f, 0.00984313320230f,
+// 0.00781250000000f, 0.00620078535925f, 0.00492156660115f, 0.00390625000000f,
+// 0.00310039267963f, 0.00246078330058f, 0.00195312500000f, 0.00155019633981f,
+// 0.00123039165029f, 0.00097656250000f, 0.00077509816991f, 0.00061519582514f,
+// 0.00048828125000f, 0.00038754908495f, 0.00030759791257f, 0.00024414062500f,
+// 0.00019377454248f, 0.00015379895629f, 0.00012207031250f, 0.00009688727124f,
+// 0.00007689947814f, 0.00006103515625f, 0.00004844363562f, 0.00003844973907f,
+// 0.00003051757813f, 0.00002422181781f, 0.00001922486954f, 0.00001525878906f,
+// 0.00001211090890f, 0.00000961243477f, 0.00000762939453f, 0.00000605545445f,
+// 0.00000480621738f, 0.00000381469727f, 0.00000302772723f, 0.00000240310869f,
+// 0.00000190734863f, 0.00000151386361f, 0.00000120155435f, 0.00000000000000f /* illegal scalefactor */
+// };
+//
+// public abstract void read_allocation (Bitstream stream, Header header, Crc16 crc) throws DecoderException;
+// public abstract void read_scalefactor (Bitstream stream, Header header);
+// public abstract boolean read_sampledata (Bitstream stream);
+// public abstract boolean put_next_sample (int channels, SynthesisFilter filter1, SynthesisFilter filter2);
+// };
/**
* Class for layer I subbands in single channel mode.