1 2 /* 3 ** Copyright 2003-2010, VisualOn, Inc. 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 19 /*--------------------------------------------------------------------------* 20 * Q_PULSE.H * 21 *--------------------------------------------------------------------------* 22 * Coding and decoding of algebraic codebook * 23 *--------------------------------------------------------------------------*/ 24 25 #ifndef __Q_PULSE_H__ 26 #define __Q_PULSE_H__ 27 28 #include "typedef.h" 29 30 Word32 quant_1p_N1( /* (o) return (N+1) bits */ 31 Word16 pos, /* (i) position of the pulse */ 32 Word16 N); /* (i) number of bits for position */ 33 34 Word32 quant_2p_2N1( /* (o) return (2*N)+1 bits */ 35 Word16 pos1, /* (i) position of the pulse 1 */ 36 Word16 pos2, /* (i) position of the pulse 2 */ 37 Word16 N); /* (i) number of bits for position */ 38 39 Word32 quant_3p_3N1( /* (o) return (3*N)+1 bits */ 40 Word16 pos1, /* (i) position of the pulse 1 */ 41 Word16 pos2, /* (i) position of the pulse 2 */ 42 Word16 pos3, /* (i) position of the pulse 3 */ 43 Word16 N); /* (i) number of bits for position */ 44 45 Word32 quant_4p_4N1( /* (o) return (4*N)+1 bits */ 46 Word16 pos1, /* (i) position of the pulse 1 */ 47 Word16 pos2, /* (i) position of the pulse 2 */ 48 Word16 pos3, /* (i) position of the pulse 3 */ 49 Word16 pos4, /* (i) position of the pulse 4 */ 50 Word16 N); /* (i) number of bits for position */ 51 52 Word32 quant_4p_4N( /* (o) return 4*N bits */ 53 Word16 pos[], /* (i) position of the pulse 1..4 */ 54 Word16 N); /* (i) number of bits for position */ 55 56 Word32 quant_5p_5N( /* (o) return 5*N bits */ 57 Word16 pos[], /* (i) position of the pulse 1..5 */ 58 Word16 N); /* (i) number of bits for position */ 59 60 Word32 quant_6p_6N_2( /* (o) return (6*N)-2 bits */ 61 Word16 pos[], /* (i) position of the pulse 1..6 */ 62 Word16 N); /* (i) number of bits for position */ 63 64 65 #endif //__Q_PULSE_H__ 66 67
