Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | #ifdef HAVE_CONFIG_H |
| 2 | #include "config.h" |
| 3 | #endif |
| 4 | |
| 5 | #include <stdio.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <sys/types.h> |
| 8 | #include <sys/stat.h> |
| 9 | #include <fcntl.h> |
| 10 | #include "speex/speex_echo.h" |
| 11 | #include "speex/speex_preprocess.h" |
| 12 | |
| 13 | |
| 14 | #define NN 128 |
| 15 | #define TAIL 1024 |
| 16 | |
| 17 | int main(int argc, char **argv) |
| 18 | { |
| 19 | FILE *echo_fd, *ref_fd, *e_fd; |
| 20 | short echo_buf[NN], ref_buf[NN], e_buf[NN]; |
| 21 | SpeexEchoState *st; |
| 22 | SpeexPreprocessState *den; |
| 23 | int sampleRate = 8000; |
| 24 | |
| 25 | if (argc != 4) |
| 26 | { |
| 27 | fprintf(stderr, "testecho mic_signal.sw speaker_signal.sw output.sw\n"); |
| 28 | exit(1); |
| 29 | } |
| 30 | echo_fd = fopen(argv[2], "rb"); |
| 31 | ref_fd = fopen(argv[1], "rb"); |
| 32 | e_fd = fopen(argv[3], "wb"); |
| 33 | |
| 34 | st = speex_echo_state_init(NN, TAIL); |
| 35 | den = speex_preprocess_state_init(NN, sampleRate); |
| 36 | speex_echo_ctl(st, SPEEX_ECHO_SET_SAMPLING_RATE, &sampleRate); |
| 37 | speex_preprocess_ctl(den, SPEEX_PREPROCESS_SET_ECHO_STATE, st); |
| 38 | |
| 39 | while (!feof(ref_fd) && !feof(echo_fd)) |
| 40 | { |
| 41 | fread(ref_buf, sizeof(short), NN, ref_fd); |
| 42 | fread(echo_buf, sizeof(short), NN, echo_fd); |
| 43 | speex_echo_cancellation(st, ref_buf, echo_buf, e_buf); |
| 44 | speex_preprocess_run(den, e_buf); |
| 45 | fwrite(e_buf, sizeof(short), NN, e_fd); |
| 46 | } |
| 47 | speex_echo_state_destroy(st); |
| 48 | speex_preprocess_state_destroy(den); |
| 49 | fclose(e_fd); |
| 50 | fclose(echo_fd); |
| 51 | fclose(ref_fd); |
| 52 | return 0; |
| 53 | } |