1 files changed, 62 insertions, 0 deletions
diff --git a/stt.c b/stt.c
new file mode 100644
index 0000000..0c04ddc
--- /dev/null
+++ b/stt.c
@@ -0,0 +1,62 @@
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sphinxbase/err.h>
+#include <pocketsphinx.h>
+
+int speechToText(char text[])
+{
+    ps_decoder_t *ps;
+    cmd_ln_t *config;
+    FILE *fh;
+    char const *hyp, *uttid;
+    int16 buf[512];
+    int rv;
+    int32 score;
+
+    config = cmd_ln_init(NULL, ps_args(), TRUE,
+			 "-hmm","./language-model/",
+			 "-lm", "./language-dic/2195.lm",
+			 "-dict", "./language-dic/2195.dic",
+			 "-logfn", "/dev/null",
+			 NULL);
+
+    /* err_set_logfile("/log/sphinx"); */
+
+    
+    if (config == NULL) {
+        fprintf(stderr, "Failed to create config object, see log for details\n");
+        return -1;
+    }
+    
+    ps = ps_init(config);
+    if (ps == NULL) {
+        fprintf(stderr, "Failed to create recognizer, see log for details\n");
+        return -1;
+    }
+
+    fh = fopen("recorded.raw", "rb");
+    if (fh == NULL) {
+        fprintf(stderr, "Unable to open input file\n");
+        return -1;
+    }
+
+    rv = ps_start_utt(ps);
+    
+    while (!feof(fh)) {
+        size_t nsamp;
+        nsamp = fread(buf, 2, 512, fh);
+        rv = ps_process_raw(ps, buf, nsamp, FALSE, FALSE);
+    }
+    
+    rv = ps_end_utt(ps);
+    hyp = ps_get_hyp(ps, &score);
+    strcpy(text, hyp);
+
+    fclose(fh);
+    ps_free(ps);
+    cmd_ln_free_r(config);
+    
+    return 0;
+}