ref: 226e1dba5c5f44b4004ffe9c438c9c24af369a01
dir: /src/gsm/gsm_encode.c/
/* * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische * Universitaet Berlin. See the accompanying file "COPYRIGHT" for * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. */ /* $Header: /cvsroot/sox/sox/src/gsm/Attic/gsm_encode.c,v 1.1 2001/11/14 03:31:26 cbagwell Exp $ */ #include "private.h" #include "gsm.h" void gsm_encode (gsm s, gsm_signal * source, gsm_byte * c) { word LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4], xmc[13*4]; Gsm_Coder(s, source, LARc, Nc, bc, Mc, xmaxc, xmc); /* variable size GSM_MAGIC 4 LARc[0] 6 LARc[1] 6 LARc[2] 5 LARc[3] 5 LARc[4] 4 LARc[5] 4 LARc[6] 3 LARc[7] 3 Nc[0] 7 bc[0] 2 Mc[0] 2 xmaxc[0] 6 xmc[0] 3 xmc[1] 3 xmc[2] 3 xmc[3] 3 xmc[4] 3 xmc[5] 3 xmc[6] 3 xmc[7] 3 xmc[8] 3 xmc[9] 3 xmc[10] 3 xmc[11] 3 xmc[12] 3 Nc[1] 7 bc[1] 2 Mc[1] 2 xmaxc[1] 6 xmc[13] 3 xmc[14] 3 xmc[15] 3 xmc[16] 3 xmc[17] 3 xmc[18] 3 xmc[19] 3 xmc[20] 3 xmc[21] 3 xmc[22] 3 xmc[23] 3 xmc[24] 3 xmc[25] 3 Nc[2] 7 bc[2] 2 Mc[2] 2 xmaxc[2] 6 xmc[26] 3 xmc[27] 3 xmc[28] 3 xmc[29] 3 xmc[30] 3 xmc[31] 3 xmc[32] 3 xmc[33] 3 xmc[34] 3 xmc[35] 3 xmc[36] 3 xmc[37] 3 xmc[38] 3 Nc[3] 7 bc[3] 2 Mc[3] 2 xmaxc[3] 6 xmc[39] 3 xmc[40] 3 xmc[41] 3 xmc[42] 3 xmc[43] 3 xmc[44] 3 xmc[45] 3 xmc[46] 3 xmc[47] 3 xmc[48] 3 xmc[49] 3 xmc[50] 3 xmc[51] 3 */ #ifdef WAV49 if (s->wav_fmt) { s->frame_index = !s->frame_index; if (s->frame_index) { uword sr; sr = 0; sr = sr >> 6 | LARc[0] << 10; sr = sr >> 6 | LARc[1] << 10; *c++ = sr >> 4; sr = sr >> 5 | LARc[2] << 11; *c++ = sr >> 7; sr = sr >> 5 | LARc[3] << 11; sr = sr >> 4 | LARc[4] << 12; *c++ = sr >> 6; sr = sr >> 4 | LARc[5] << 12; sr = sr >> 3 | LARc[6] << 13; *c++ = sr >> 7; sr = sr >> 3 | LARc[7] << 13; sr = sr >> 7 | Nc[0] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[0] << 14; sr = sr >> 2 | Mc[0] << 14; sr = sr >> 6 | xmaxc[0] << 10; *c++ = sr >> 3; sr = sr >> 3 | xmc[0] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[1] << 13; sr = sr >> 3 | xmc[2] << 13; sr = sr >> 3 | xmc[3] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[4] << 13; sr = sr >> 3 | xmc[5] << 13; sr = sr >> 3 | xmc[6] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[7] << 13; sr = sr >> 3 | xmc[8] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[9] << 13; sr = sr >> 3 | xmc[10] << 13; sr = sr >> 3 | xmc[11] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[12] << 13; sr = sr >> 7 | Nc[1] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[1] << 14; sr = sr >> 2 | Mc[1] << 14; sr = sr >> 6 | xmaxc[1] << 10; *c++ = sr >> 3; sr = sr >> 3 | xmc[13] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[14] << 13; sr = sr >> 3 | xmc[15] << 13; sr = sr >> 3 | xmc[16] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[17] << 13; sr = sr >> 3 | xmc[18] << 13; sr = sr >> 3 | xmc[19] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[20] << 13; sr = sr >> 3 | xmc[21] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[22] << 13; sr = sr >> 3 | xmc[23] << 13; sr = sr >> 3 | xmc[24] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[25] << 13; sr = sr >> 7 | Nc[2] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[2] << 14; sr = sr >> 2 | Mc[2] << 14; sr = sr >> 6 | xmaxc[2] << 10; *c++ = sr >> 3; sr = sr >> 3 | xmc[26] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[27] << 13; sr = sr >> 3 | xmc[28] << 13; sr = sr >> 3 | xmc[29] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[30] << 13; sr = sr >> 3 | xmc[31] << 13; sr = sr >> 3 | xmc[32] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[33] << 13; sr = sr >> 3 | xmc[34] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[35] << 13; sr = sr >> 3 | xmc[36] << 13; sr = sr >> 3 | xmc[37] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[38] << 13; sr = sr >> 7 | Nc[3] << 9; *c++ = sr >> 5; sr = sr >> 2 | bc[3] << 14; sr = sr >> 2 | Mc[3] << 14; sr = sr >> 6 | xmaxc[3] << 10; *c++ = sr >> 3; sr = sr >> 3 | xmc[39] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[40] << 13; sr = sr >> 3 | xmc[41] << 13; sr = sr >> 3 | xmc[42] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[43] << 13; sr = sr >> 3 | xmc[44] << 13; sr = sr >> 3 | xmc[45] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[46] << 13; sr = sr >> 3 | xmc[47] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[48] << 13; sr = sr >> 3 | xmc[49] << 13; sr = sr >> 3 | xmc[50] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[51] << 13; sr = sr >> 4; *c = sr >> 8; s->frame_chain = *c; } else { uword sr; sr = 0; sr = sr >> 4 | s->frame_chain << 12; sr = sr >> 6 | LARc[0] << 10; *c++ = sr >> 6; sr = sr >> 6 | LARc[1] << 10; *c++ = sr >> 8; sr = sr >> 5 | LARc[2] << 11; sr = sr >> 5 | LARc[3] << 11; *c++ = sr >> 6; sr = sr >> 4 | LARc[4] << 12; sr = sr >> 4 | LARc[5] << 12; *c++ = sr >> 6; sr = sr >> 3 | LARc[6] << 13; sr = sr >> 3 | LARc[7] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[0] << 9; sr = sr >> 2 | bc[0] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[0] << 14; sr = sr >> 6 | xmaxc[0] << 10; *c++ = sr >> 7; sr = sr >> 3 | xmc[0] << 13; sr = sr >> 3 | xmc[1] << 13; sr = sr >> 3 | xmc[2] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[3] << 13; sr = sr >> 3 | xmc[4] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[5] << 13; sr = sr >> 3 | xmc[6] << 13; sr = sr >> 3 | xmc[7] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[8] << 13; sr = sr >> 3 | xmc[9] << 13; sr = sr >> 3 | xmc[10] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[11] << 13; sr = sr >> 3 | xmc[12] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[1] << 9; sr = sr >> 2 | bc[1] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[1] << 14; sr = sr >> 6 | xmaxc[1] << 10; *c++ = sr >> 7; sr = sr >> 3 | xmc[13] << 13; sr = sr >> 3 | xmc[14] << 13; sr = sr >> 3 | xmc[15] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[16] << 13; sr = sr >> 3 | xmc[17] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[18] << 13; sr = sr >> 3 | xmc[19] << 13; sr = sr >> 3 | xmc[20] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[21] << 13; sr = sr >> 3 | xmc[22] << 13; sr = sr >> 3 | xmc[23] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[24] << 13; sr = sr >> 3 | xmc[25] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[2] << 9; sr = sr >> 2 | bc[2] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[2] << 14; sr = sr >> 6 | xmaxc[2] << 10; *c++ = sr >> 7; sr = sr >> 3 | xmc[26] << 13; sr = sr >> 3 | xmc[27] << 13; sr = sr >> 3 | xmc[28] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[29] << 13; sr = sr >> 3 | xmc[30] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[31] << 13; sr = sr >> 3 | xmc[32] << 13; sr = sr >> 3 | xmc[33] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[34] << 13; sr = sr >> 3 | xmc[35] << 13; sr = sr >> 3 | xmc[36] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[37] << 13; sr = sr >> 3 | xmc[38] << 13; *c++ = sr >> 8; sr = sr >> 7 | Nc[3] << 9; sr = sr >> 2 | bc[3] << 14; *c++ = sr >> 7; sr = sr >> 2 | Mc[3] << 14; sr = sr >> 6 | xmaxc[3] << 10; *c++ = sr >> 7; sr = sr >> 3 | xmc[39] << 13; sr = sr >> 3 | xmc[40] << 13; sr = sr >> 3 | xmc[41] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[42] << 13; sr = sr >> 3 | xmc[43] << 13; *c++ = sr >> 8; sr = sr >> 3 | xmc[44] << 13; sr = sr >> 3 | xmc[45] << 13; sr = sr >> 3 | xmc[46] << 13; *c++ = sr >> 7; sr = sr >> 3 | xmc[47] << 13; sr = sr >> 3 | xmc[48] << 13; sr = sr >> 3 | xmc[49] << 13; *c++ = sr >> 6; sr = sr >> 3 | xmc[50] << 13; sr = sr >> 3 | xmc[51] << 13; *c++ = sr >> 8; } } else #endif /* WAV49 */ { *c++ = ((GSM_MAGIC & 0xF) << 4) /* 1 */ | ((LARc[0] >> 2) & 0xF); *c++ = ((LARc[0] & 0x3) << 6) | (LARc[1] & 0x3F); *c++ = ((LARc[2] & 0x1F) << 3) | ((LARc[3] >> 2) & 0x7); *c++ = ((LARc[3] & 0x3) << 6) | ((LARc[4] & 0xF) << 2) | ((LARc[5] >> 2) & 0x3); *c++ = ((LARc[5] & 0x3) << 6) | ((LARc[6] & 0x7) << 3) | (LARc[7] & 0x7); *c++ = ((Nc[0] & 0x7F) << 1) | ((bc[0] >> 1) & 0x1); *c++ = ((bc[0] & 0x1) << 7) | ((Mc[0] & 0x3) << 5) | ((xmaxc[0] >> 1) & 0x1F); *c++ = ((xmaxc[0] & 0x1) << 7) | ((xmc[0] & 0x7) << 4) | ((xmc[1] & 0x7) << 1) | ((xmc[2] >> 2) & 0x1); *c++ = ((xmc[2] & 0x3) << 6) | ((xmc[3] & 0x7) << 3) | (xmc[4] & 0x7); *c++ = ((xmc[5] & 0x7) << 5) /* 10 */ | ((xmc[6] & 0x7) << 2) | ((xmc[7] >> 1) & 0x3); *c++ = ((xmc[7] & 0x1) << 7) | ((xmc[8] & 0x7) << 4) | ((xmc[9] & 0x7) << 1) | ((xmc[10] >> 2) & 0x1); *c++ = ((xmc[10] & 0x3) << 6) | ((xmc[11] & 0x7) << 3) | (xmc[12] & 0x7); *c++ = ((Nc[1] & 0x7F) << 1) | ((bc[1] >> 1) & 0x1); *c++ = ((bc[1] & 0x1) << 7) | ((Mc[1] & 0x3) << 5) | ((xmaxc[1] >> 1) & 0x1F); *c++ = ((xmaxc[1] & 0x1) << 7) | ((xmc[13] & 0x7) << 4) | ((xmc[14] & 0x7) << 1) | ((xmc[15] >> 2) & 0x1); *c++ = ((xmc[15] & 0x3) << 6) | ((xmc[16] & 0x7) << 3) | (xmc[17] & 0x7); *c++ = ((xmc[18] & 0x7) << 5) | ((xmc[19] & 0x7) << 2) | ((xmc[20] >> 1) & 0x3); *c++ = ((xmc[20] & 0x1) << 7) | ((xmc[21] & 0x7) << 4) | ((xmc[22] & 0x7) << 1) | ((xmc[23] >> 2) & 0x1); *c++ = ((xmc[23] & 0x3) << 6) | ((xmc[24] & 0x7) << 3) | (xmc[25] & 0x7); *c++ = ((Nc[2] & 0x7F) << 1) /* 20 */ | ((bc[2] >> 1) & 0x1); *c++ = ((bc[2] & 0x1) << 7) | ((Mc[2] & 0x3) << 5) | ((xmaxc[2] >> 1) & 0x1F); *c++ = ((xmaxc[2] & 0x1) << 7) | ((xmc[26] & 0x7) << 4) | ((xmc[27] & 0x7) << 1) | ((xmc[28] >> 2) & 0x1); *c++ = ((xmc[28] & 0x3) << 6) | ((xmc[29] & 0x7) << 3) | (xmc[30] & 0x7); *c++ = ((xmc[31] & 0x7) << 5) | ((xmc[32] & 0x7) << 2) | ((xmc[33] >> 1) & 0x3); *c++ = ((xmc[33] & 0x1) << 7) | ((xmc[34] & 0x7) << 4) | ((xmc[35] & 0x7) << 1) | ((xmc[36] >> 2) & 0x1); *c++ = ((xmc[36] & 0x3) << 6) | ((xmc[37] & 0x7) << 3) | (xmc[38] & 0x7); *c++ = ((Nc[3] & 0x7F) << 1) | ((bc[3] >> 1) & 0x1); *c++ = ((bc[3] & 0x1) << 7) | ((Mc[3] & 0x3) << 5) | ((xmaxc[3] >> 1) & 0x1F); *c++ = ((xmaxc[3] & 0x1) << 7) | ((xmc[39] & 0x7) << 4) | ((xmc[40] & 0x7) << 1) | ((xmc[41] >> 2) & 0x1); *c++ = ((xmc[41] & 0x3) << 6) /* 30 */ | ((xmc[42] & 0x7) << 3) | (xmc[43] & 0x7); *c++ = ((xmc[44] & 0x7) << 5) | ((xmc[45] & 0x7) << 2) | ((xmc[46] >> 1) & 0x3); *c++ = ((xmc[46] & 0x1) << 7) | ((xmc[47] & 0x7) << 4) | ((xmc[48] & 0x7) << 1) | ((xmc[49] >> 2) & 0x1); *c++ = ((xmc[49] & 0x3) << 6) | ((xmc[50] & 0x7) << 3) | (xmc[51] & 0x7); } }