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- /* testc - Test adpcm coder */
-
- #include "adpcm.h"
- #include <stdio.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);
- }
-