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obs-filters: Use snake_case for expander variables

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This commit is contained in:
Jim
2022-10-27 00:44:59 -07:00
parent f065f20ce1
commit 89006716b4
1 changed files with 27 additions and 27 deletions
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plugins/obs-filters/expander-filter.c
+27 -27
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@@ -87,9 +87,9 @@ struct expander_data {
bool is_gate;
float *runaverage[MAX_AUDIO_CHANNELS];
size_t runaverage_len;
float *gaindB[MAX_AUDIO_CHANNELS];
size_t gaindB_len;
float gaindB_buf[MAX_AUDIO_CHANNELS];
float *gain_db[MAX_AUDIO_CHANNELS];
size_t gain_db_len;
float gain_db_buf[MAX_AUDIO_CHANNELS];
float *env_in;
size_t env_in_len;
};
@@ -125,12 +125,12 @@ static void resize_env_in_buffer(struct expander_data *cd, size_t len)
cd->env_in = brealloc(cd->env_in, cd->env_in_len * sizeof(float));
}
static void resize_gaindB_buffer(struct expander_data *cd, size_t len)
static void resize_gain_db_buffer(struct expander_data *cd, size_t len)
{
cd->gaindB_len = len;
cd->gain_db_len = len;
for (int i = 0; i < MAX_AUDIO_CHANNELS; i++)
cd->gaindB[i] =
brealloc(cd->gaindB[i], cd->gaindB_len * sizeof(float));
cd->gain_db[i] = brealloc(cd->gain_db[i],
cd->gain_db_len * sizeof(float));
}
static inline float gain_coefficient(uint32_t sample_rate, float time)
@@ -213,8 +213,8 @@ static void expander_update(void *data, obs_data_t *s)
resize_runaverage_buffer(cd, sample_len);
if (cd->env_in_len == 0)
resize_env_in_buffer(cd, sample_len);
if (cd->gaindB_len == 0)
resize_gaindB_buffer(cd, sample_len);
if (cd->gain_db_len == 0)
resize_gain_db_buffer(cd, sample_len);
}
static void *expander_create(obs_data_t *settings, obs_source_t *filter)
@@ -224,7 +224,7 @@ static void *expander_create(obs_data_t *settings, obs_source_t *filter)
for (int i = 0; i < MAX_AUDIO_CHANNELS; i++) {
cd->runave[i] = 0;
cd->envelope[i] = 0;
cd->gaindB_buf[i] = 0;
cd->gain_db_buf[i] = 0;
}
cd->is_gate = false;
const char *presets = obs_data_get_string(settings, S_PRESETS);
@@ -242,7 +242,7 @@ static void expander_destroy(void *data)
for (int i = 0; i < MAX_AUDIO_CHANNELS; i++) {
bfree(cd->envelope_buf[i]);
bfree(cd->runaverage[i]);
bfree(cd->gaindB[i]);
bfree(cd->gain_db[i]);
}
bfree(cd->env_in);
bfree(cd);
@@ -311,11 +311,11 @@ static inline void process_expansion(struct expander_data *cd, float **samples,
const float attack_gain = cd->attack_gain;
const float release_gain = cd->release_gain;
if (cd->gaindB_len < num_samples)
resize_gaindB_buffer(cd, num_samples);
if (cd->gain_db_len < num_samples)
resize_gain_db_buffer(cd, num_samples);
for (int i = 0; i < MAX_AUDIO_CHANNELS; i++)
memset(cd->gaindB[i], 0,
num_samples * sizeof(cd->gaindB[i][0]));
memset(cd->gain_db[i], 0,
num_samples * sizeof(cd->gain_db[i][0]));
for (size_t chan = 0; chan < cd->num_channels; chan++) {
for (size_t i = 0; i < num_samples; ++i) {
@@ -329,34 +329,34 @@ static inline void process_expansion(struct expander_data *cd, float **samples,
: 0.0f;
// ballistics (attack/release)
if (i > 0) {
if (gain > cd->gaindB[chan][i - 1])
cd->gaindB[chan][i] =
if (gain > cd->gain_db[chan][i - 1])
cd->gain_db[chan][i] =
attack_gain *
cd->gaindB[chan][i - 1] +
cd->gain_db[chan][i - 1] +
(1.0f - attack_gain) * gain;
else
cd->gaindB[chan][i] =
cd->gain_db[chan][i] =
release_gain *
cd->gaindB[chan][i - 1] +
cd->gain_db[chan][i - 1] +
(1.0f - release_gain) * gain;
} else {
if (gain > cd->gaindB_buf[chan])
cd->gaindB[chan][i] =
if (gain > cd->gain_db_buf[chan])
cd->gain_db[chan][i] =
attack_gain *
cd->gaindB_buf[chan] +
cd->gain_db_buf[chan] +
(1.0f - attack_gain) * gain;
else
cd->gaindB[chan][i] =
cd->gain_db[chan][i] =
release_gain *
cd->gaindB_buf[chan] +
cd->gain_db_buf[chan] +
(1.0f - release_gain) * gain;
}
gain = db_to_mul(fminf(0, cd->gaindB[chan][i]));
gain = db_to_mul(fminf(0, cd->gain_db[chan][i]));
if (samples[chan])
samples[chan][i] *= gain * cd->output_gain;
}
cd->gaindB_buf[chan] = cd->gaindB[chan][num_samples - 1];
cd->gain_db_buf[chan] = cd->gain_db[chan][num_samples - 1];
}
}