diff options
Diffstat (limited to 'pjmedia/src/pjmedia-codec/speex/z-testecho.c')
-rw-r--r-- | pjmedia/src/pjmedia-codec/speex/z-testecho.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia-codec/speex/z-testecho.c b/pjmedia/src/pjmedia-codec/speex/z-testecho.c new file mode 100644 index 00000000..f78499ee --- /dev/null +++ b/pjmedia/src/pjmedia-codec/speex/z-testecho.c @@ -0,0 +1,53 @@ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include "speex/speex_echo.h" +#include "speex/speex_preprocess.h" + + +#define NN 128 +#define TAIL 1024 + +int main(int argc, char **argv) +{ + int echo_fd, ref_fd, e_fd; + spx_int32_t noise[NN+1]; + short echo_buf[NN], ref_buf[NN], e_buf[NN]; + SpeexEchoState *st; + SpeexPreprocessState *den; + + if (argc != 4) + { + fprintf (stderr, "testecho mic_signal.sw speaker_signal.sw output.sw\n"); + exit(1); + } + echo_fd = open (argv[2], O_RDONLY); + ref_fd = open (argv[1], O_RDONLY); + e_fd = open (argv[3], O_WRONLY | O_CREAT | O_TRUNC, 0644); + + st = speex_echo_state_init(NN, TAIL); + den = speex_preprocess_state_init(NN, 8000); + int tmp = 8000; + speex_echo_ctl(st, SPEEX_ECHO_SET_SAMPLING_RATE, &tmp); + + while (read(ref_fd, ref_buf, NN*2)) + { + read(echo_fd, echo_buf, NN*2); + speex_echo_cancel(st, ref_buf, echo_buf, e_buf, noise); + /*speex_preprocess(den, e_buf, noise);*/ + write(e_fd, e_buf, NN*2); + } + speex_echo_state_destroy(st); + speex_preprocess_state_destroy(den); + close(e_fd); + close(echo_fd); + close(ref_fd); + return 0; +} |