| typedef short int int16_t; |
| typedef unsigned char uint8_t; |
| typedef struct { |
| int16_t LARc[8]; |
| int16_t Nc[4]; |
| int16_t bc[4]; |
| int16_t Mc[4]; |
| int16_t xmaxc[4]; |
| int16_t xMc[4][13]; |
| } gsm0610_frame_t; |
| int gsm0610_unpack_voip(gsm0610_frame_t * s, const uint8_t c[33]) |
| { |
| int i; |
| for (i = 0; i < 4; i++) { |
| s->Nc[i] = (*c >> 1) & 0x7F; |
| s->bc[i] = (*c++ & 0x1) << 1; |
| s->bc[i] |= (*c >> 7) & 0x1; |
| s->Mc[i] = (*c >> 5) & 0x3; |
| s->xmaxc[i] = (*c++ & 0x1F) << 1; |
| s->xmaxc[i] |= (*c >> 7) & 0x1; |
| s->xMc[i][0] = (*c >> 4) & 0x7; |
| s->xMc[i][1] = (*c >> 1) & 0x7; |
| s->xMc[i][2] = (*c++ & 0x1) << 2; |
| s->xMc[i][2] |= (*c >> 6) & 0x3; |
| s->xMc[i][3] = (*c >> 3) & 0x7; |
| s->xMc[i][4] = *c++ & 0x7; |
| s->xMc[i][10] |= (*c >> 6) & 0x3; |
| s->xMc[i][11] = (*c >> 3) & 0x7; |
| s->xMc[i][12] = *c++ & 0x7; |
| } |
| } |