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fix teletone gen on multichannel

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This commit is contained in:
Anthony Minessale
2019-03-29 16:54:19 -05:00
committed by Andrey Volk
parent 157b47f537
commit 1c80a83d57
2 changed files with 11 additions and 20 deletions
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27
libs/libteletone/src/libteletone_generate.c
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@@ -206,7 +206,7 @@ static int ensure_buffer(teletone_generation_session_t *ts, int need)
TELETONE_API(int) teletone_mux_tones(teletone_generation_session_t *ts, teletone_tone_map_t *map)
{
/*teletone_process_t period = (1.0 / ts->rate) / ts->channels;*/
int i, c;
int i;
int freqlen = 0;
teletone_dds_state_t tones[TELETONE_MAX_TONES+1];
//int decay = 0;
@@ -215,6 +215,7 @@ TELETONE_API(int) teletone_mux_tones(teletone_generation_session_t *ts, teletone
int32_t sample;
int32_t dc = 0;
float vol = ts->volume;
ts->samples = 0;
memset(tones, 0, sizeof(tones[0]) * TELETONE_MAX_TONES);
duration = (ts->tmp_duration > -1) ? ts->tmp_duration : ts->duration;
@@ -225,13 +226,9 @@ TELETONE_API(int) teletone_mux_tones(teletone_generation_session_t *ts, teletone
teletone_dds_state_set_tone(&tones[freqlen], map->freqs[freqlen], ts->rate, 0);
teletone_dds_state_set_tx_level(&tones[freqlen], vol);
}
if (ts->channels > 1) {
duration *= ts->channels;
}
if (ts->dynamic) {
if (ensure_buffer(ts, duration)) {
if (ensure_buffer(ts, duration * ts->channels)) {
return -1;
}
}
@@ -260,23 +257,17 @@ TELETONE_API(int) teletone_mux_tones(teletone_generation_session_t *ts, teletone
sample /= freqlen;
}
ts->buffer[ts->samples] = (teletone_audio_t)sample;
for (c = 1; c < ts->channels; c++) {
ts->buffer[ts->samples+1] = ts->buffer[ts->samples];
ts->samples++;
}
}
}
if (ts->dynamic) {
if (ensure_buffer(ts, wait)) {
if (ensure_buffer(ts, wait * ts->channels)) {
return -1;
}
}
for (c = 0; c < ts->channels; c++) {
for (i = 0; i < wait && ts->samples < ts->datalen; i++) {
ts->buffer[ts->samples++] = 0;
}
for (i = 0; i < wait && ts->samples < ts->datalen; i++) {
ts->buffer[ts->samples++] = 0;
}
if (ts->debug && ts->debug_stream) {
@@ -304,7 +295,7 @@ TELETONE_API(int) teletone_mux_tones(teletone_generation_session_t *ts, teletone
ts->samples * 2);
}
}
return ts->samples / ts->channels;
return ts->samples;
}
/* don't ask */