Method putbits2

src/main/java/mp3/BitStream.java:100–128

write j bits into the bit stream

(final LameInternalFlags gfc, final int val, int j)

	 * write j bits into the bit stream
	 */
	private void putbits2(final LameInternalFlags gfc, final int val, int j) {
		assert (j < MAX_LENGTH - 2);

		while (j > 0) {
			int k;
			if (bufBitIdx == 0) {
				bufBitIdx = 8;
				bufByteIdx++;
				assert (bufByteIdx < Lame.LAME_MAXMP3BUFFER);
				assert (gfc.header[gfc.w_ptr].write_timing >= totbit);
				if (gfc.header[gfc.w_ptr].write_timing == totbit) {
					putheader_bits(gfc);
				}
				buf[bufByteIdx] = 0;
			}

			k = Math.min(j, bufBitIdx);
			j -= k;

			bufBitIdx -= k;

			assert (j < MAX_LENGTH);
			/* 32 too large on 32 bit machines */
			assert (bufBitIdx < MAX_LENGTH);

			buf[bufByteIdx] |= ((val >> j) << bufBitIdx);
			totbit += k;
		}
	}

	/**
	 * write j bits into the bit stream, ignoring frame headers