| /* testc - Test adpcm coder */ | |
| #include "adpcm.h" | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <unistd.h> | |
| struct adpcm_state state; | |
| #define NSAMPLES 1000 | |
| char abuf[NSAMPLES/2]; | |
| short sbuf[NSAMPLES]; | |
| main() { | |
| int n; | |
| while(1) { | |
| n = read(0, sbuf, NSAMPLES*2); | |
| if ( n < 0 ) { | |
| perror("input file"); | |
| exit(1); | |
| } | |
| if ( n == 0 ) break; | |
| adpcm_coder(sbuf, abuf, n/2, &state); | |
| write(1, abuf, n/4); | |
| } | |
| fprintf(stderr, "Final valprev=%d, index=%d\n", | |
| state.valprev, state.index); | |
| exit(0); | |
| } |