kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-11-18 15:49:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

dsp.c: in ast_mf_detect_init incorrectly sets goertzel samples to 160, should be MF_GSIZE

Browse Source 
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
This commit is contained in:
Alec L Davis
2012-09-05 18:56:39 +00:00
parent 6b2183244a
commit d39b417074
1 changed files with 8 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
main/dsp.c
View 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;
}
}