dsp.c: in ast_mf_detect_init incorrectly sets goertzel samples to 160, should be...
authorAlec L Davis <sivad.a@paradise.net.nz>
Wed, 5 Sep 2012 18:56:39 +0000 (18:56 +0000)
committerAlec L Davis <sivad.a@paradise.net.nz>
Wed, 5 Sep 2012 18:56:39 +0000 (18:56 +0000)
Remove unused goertzel_state_t member 'samples'.

Related https://reviewboard.asterisk.org/r/2097/

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@372343 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/dsp.c

index 6ba9abd..6f044f4 100644 (file)
@@ -222,7 +222,6 @@ typedef struct {
        int v3;
        int chunky;
        int fac;
-       int samples;
 } goertzel_state_t;
 
 typedef struct {
@@ -312,7 +311,6 @@ static inline void goertzel_sample(goertzel_state_t *s, short sample)
                s->chunky++;
                s->v3 = s->v3 >> 1;
                s->v2 = s->v2 >> 1;
-               v1 = v1 >> 1;
        }
 }
 
@@ -335,11 +333,10 @@ static inline float goertzel_result(goertzel_state_t *s)
        return (float)r.value * (float)(1 << r.power);
 }
 
-static inline void goertzel_init(goertzel_state_t *s, float freq, int samples, unsigned int sample_rate)
+static inline void goertzel_init(goertzel_state_t *s, float freq, unsigned int sample_rate)
 {
        s->v2 = s->v3 = s->chunky = 0.0;
        s->fac = (int)(32768.0 * 2.0 * cos(2.0 * M_PI * freq / sample_rate));
-       s->samples = samples;
 }
 
 static inline void goertzel_reset(goertzel_state_t *s)
@@ -445,7 +442,7 @@ static void ast_tone_detect_init(tone_detect_state_t *s, int freq, int duration,
           and thus no tone will be detected in them */
        s->hits_required = (duration_samples - (s->block_size - 1)) / s->block_size;
 
-       goertzel_init(&s->tone, freq, s->block_size, sample_rate);
+       goertzel_init(&s->tone, freq, sample_rate);
 
        s->samples_pending = s->block_size;
        s->hit_count = 0;
@@ -486,8 +483,8 @@ static void ast_dtmf_detect_init (dtmf_detect_state_t *s, unsigned int sample_ra
        s->lasthit = 0;
        s->current_hit = 0;
        for (i = 0;  i < 4;  i++) {
-               goertzel_init(&s->row_out[i], dtmf_row[i], DTMF_GSIZE, sample_rate);
-               goertzel_init(&s->col_out[i], dtmf_col[i], DTMF_GSIZE, sample_rate);
+               goertzel_init(&s->row_out[i], dtmf_row[i], sample_rate);
+               goertzel_init(&s->col_out[i], dtmf_col[i], sample_rate);
                s->energy = 0.0;
        }
        s->current_sample = 0;
@@ -498,12 +495,12 @@ static void ast_dtmf_detect_init (dtmf_detect_state_t *s, unsigned int sample_ra
        s->misses_to_end = DTMF_MISSES_TO_END;
 }
 
-static void ast_mf_detect_init (mf_detect_state_t *s, unsigned int sample_rate)
+static void ast_mf_detect_init(mf_detect_state_t *s, unsigned int sample_rate)
 {
        int i;
        s->hits[0] = s->hits[1] = s->hits[2] = s->hits[3] = s->hits[4] = 0;
-       for (i = 0;  i < 6;  i++) {
-               goertzel_init (&s->tone_out[i], mf_tones[i], 160, sample_rate);
+       for (i = 0; i < 6; i++) {
+               goertzel_init(&s->tone_out[i], mf_tones[i], sample_rate);
        }
        s->current_sample = 0;
        s->current_hit = 0;
@@ -1642,7 +1639,7 @@ static void ast_dsp_prog_reset(struct ast_dsp *dsp)
        dsp->gsamps = 0;
        for (x = 0; x < ARRAY_LEN(modes[dsp->progmode].freqs); x++) {
                if (modes[dsp->progmode].freqs[x]) {
-                       goertzel_init(&dsp->freqs[x], (float)modes[dsp->progmode].freqs[x], dsp->gsamp_size, dsp->sample_rate);
+                       goertzel_init(&dsp->freqs[x], (float)modes[dsp->progmode].freqs[x], dsp->sample_rate);
                        max = x + 1;
                }
        }