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@@ -47,12 +47,12 @@
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#define TEXT_PRESETS_EXP MT_("expander.Presets.Expander")
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#define TEXT_PRESETS_EXP MT_("expander.Presets.Expander")
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#define TEXT_PRESETS_GATE MT_("expander.Presets.Gate")
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#define TEXT_PRESETS_GATE MT_("expander.Presets.Gate")
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-#define MIN_RATIO 1.0
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-#define MAX_RATIO 20.0
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-#define MIN_THRESHOLD_DB -60.0
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+#define MIN_RATIO 1.0f
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+#define MAX_RATIO 20.0f
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+#define MIN_THRESHOLD_DB -60.0f
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#define MAX_THRESHOLD_DB 0.0f
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#define MAX_THRESHOLD_DB 0.0f
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-#define MIN_OUTPUT_GAIN_DB -32.0
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-#define MAX_OUTPUT_GAIN_DB 32.0
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+#define MIN_OUTPUT_GAIN_DB -32.0f
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+#define MAX_OUTPUT_GAIN_DB 32.0f
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#define MIN_ATK_RLS_MS 1
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#define MIN_ATK_RLS_MS 1
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#define MAX_RLS_MS 1000
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#define MAX_RLS_MS 1000
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#define MAX_ATK_MS 100
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#define MAX_ATK_MS 100
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@@ -101,36 +101,36 @@ enum {
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static void resize_env_buffer(struct expander_data *cd, size_t len)
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static void resize_env_buffer(struct expander_data *cd, size_t len)
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{
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{
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cd->envelope_buf_len = len;
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cd->envelope_buf_len = len;
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- for (int i = 0; i < MAX_AUDIO_CHANNELS; i++) {
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- cd->envelope_buf[i] = brealloc(cd->envelope_buf[i], len * sizeof(float));
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- }
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+ for (int i = 0; i < MAX_AUDIO_CHANNELS; i++)
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+ cd->envelope_buf[i] = brealloc(cd->envelope_buf[i],
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+ cd->envelope_buf_len * sizeof(float));
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}
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}
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static void resize_runaverage_buffer(struct expander_data *cd, size_t len)
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static void resize_runaverage_buffer(struct expander_data *cd, size_t len)
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{
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{
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cd->runaverage_len = len;
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cd->runaverage_len = len;
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- for (int i = 0; i < MAX_AUDIO_CHANNELS; i++) {
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- cd->runaverage[i] = brealloc(cd->runaverage[i], len * sizeof(float));
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- }
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+ for (int i = 0; i < MAX_AUDIO_CHANNELS; i++)
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+ cd->runaverage[i] = brealloc(cd->runaverage[i],
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+ cd->runaverage_len * sizeof(float));
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}
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}
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static void resize_env_in_buffer(struct expander_data *cd, size_t len)
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static void resize_env_in_buffer(struct expander_data *cd, size_t len)
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{
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{
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cd->env_in_len = len;
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cd->env_in_len = len;
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- cd->env_in = brealloc(cd->env_in, len * sizeof(float));
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+ cd->env_in = brealloc(cd->env_in, cd->env_in_len * sizeof(float));
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}
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}
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static void resize_gaindB_buffer(struct expander_data *cd, size_t len)
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static void resize_gaindB_buffer(struct expander_data *cd, size_t len)
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{
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{
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cd->gaindB_len = len;
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cd->gaindB_len = len;
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- for (int i = 0; i < MAX_AUDIO_CHANNELS; i++) {
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- cd->gaindB[i] = brealloc(cd->gaindB[i], len * sizeof(float));
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- }
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+ for (int i = 0; i < MAX_AUDIO_CHANNELS; i++)
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+ cd->gaindB[i] = brealloc(cd->gaindB[i],
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+ cd->gaindB_len * sizeof(float));
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}
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}
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static inline float gain_coefficient(uint32_t sample_rate, float time)
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static inline float gain_coefficient(uint32_t sample_rate, float time)
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{
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{
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- return (float)exp(-1.0f / (sample_rate * time));
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+ return expf(-1.0f / (sample_rate * time));
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}
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}
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static const char *expander_name(void *unused)
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static const char *expander_name(void *unused)
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@@ -249,22 +249,21 @@ static void expander_destroy(void *data)
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static void analyze_envelope(struct expander_data *cd,
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static void analyze_envelope(struct expander_data *cd,
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float **samples, const uint32_t num_samples)
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float **samples, const uint32_t num_samples)
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{
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{
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- if (cd->envelope_buf_len < num_samples) {
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+ if (cd->envelope_buf_len < num_samples)
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resize_env_buffer(cd, num_samples);
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resize_env_buffer(cd, num_samples);
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- }
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- if (cd->runaverage_len < num_samples) {
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+ if (cd->runaverage_len < num_samples)
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resize_runaverage_buffer(cd, num_samples);
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resize_runaverage_buffer(cd, num_samples);
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- }
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- if (cd->env_in_len < num_samples) {
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+ if (cd->env_in_len < num_samples)
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resize_env_in_buffer(cd, num_samples);
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resize_env_in_buffer(cd, num_samples);
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- }
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// 10 ms RMS window
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// 10 ms RMS window
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- const float rmscoef = exp2f((float)-100.0 / (float)cd->sample_rate);
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+ const float rmscoef = exp2f(-100.0f / cd->sample_rate);
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for (int i = 0; i < MAX_AUDIO_CHANNELS; i++) {
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for (int i = 0; i < MAX_AUDIO_CHANNELS; i++) {
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- memset(cd->envelope_buf[i], 0, num_samples * sizeof(cd->envelope_buf[i][0]));
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- memset(cd->runaverage[i], 0, num_samples * sizeof(cd->runaverage[i][0]));
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+ memset(cd->envelope_buf[i], 0,
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+ num_samples * sizeof(cd->envelope_buf[i][0]));
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+ memset(cd->runaverage[i], 0,
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+ num_samples * sizeof(cd->runaverage[i][0]));
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}
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}
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memset(cd->env_in, 0, num_samples * sizeof(cd->env_in[0]));
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memset(cd->env_in, 0, num_samples * sizeof(cd->env_in[0]));
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@@ -275,16 +274,15 @@ static void analyze_envelope(struct expander_data *cd,
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float *envelope_buf = cd->envelope_buf[chan];
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float *envelope_buf = cd->envelope_buf[chan];
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float *runave = cd->runaverage[chan];
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float *runave = cd->runaverage[chan];
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float *env_in = cd->env_in;
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float *env_in = cd->env_in;
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- float RMSdet = 0;
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if (cd->detector == RMS_DETECT) {
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if (cd->detector == RMS_DETECT) {
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runave[0] = rmscoef * cd->runave[chan] +
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runave[0] = rmscoef * cd->runave[chan] +
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- (1 - rmscoef) * powf(samples[chan][0], 2.0);
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+ (1 - rmscoef) * powf(samples[chan][0], 2.0f);
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env_in[0] = sqrtf(fmaxf(runave[0], 0));
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env_in[0] = sqrtf(fmaxf(runave[0], 0));
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for (uint32_t i = 1; i < num_samples; ++i) {
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for (uint32_t i = 1; i < num_samples; ++i) {
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runave[i] = rmscoef * runave[i - 1] +
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runave[i] = rmscoef * runave[i - 1] +
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(1 - rmscoef) *
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(1 - rmscoef) *
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- powf(samples[chan][i], 2.0);
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+ powf(samples[chan][i], 2.0f);
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env_in[i] = sqrtf(runave[i]);
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env_in[i] = sqrtf(runave[i]);
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}
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}
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} else if (cd->detector == PEAK_DETECT) {
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} else if (cd->detector == PEAK_DETECT) {
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@@ -305,7 +303,6 @@ static void analyze_envelope(struct expander_data *cd,
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static inline void process_expansion(struct expander_data *cd,
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static inline void process_expansion(struct expander_data *cd,
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float **samples, uint32_t num_samples)
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float **samples, uint32_t num_samples)
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{
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{
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-
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const float attack_gain = cd->attack_gain;
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const float attack_gain = cd->attack_gain;
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const float release_gain = cd->release_gain;
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const float release_gain = cd->release_gain;
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@@ -318,24 +315,29 @@ static inline void process_expansion(struct expander_data *cd,
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for (size_t i = 0; i < num_samples; ++i) {
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for (size_t i = 0; i < num_samples; ++i) {
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// gain stage of expansion
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// gain stage of expansion
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float env_db = mul_to_db(cd->envelope_buf[chan][i]);
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float env_db = mul_to_db(cd->envelope_buf[chan][i]);
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- float gain = cd->threshold - env_db > 0 ?
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- fmaxf(cd->slope * (cd->threshold - env_db),
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- -60.0) : 0;
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+ float gain = cd->threshold - env_db > 0.0f ?
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+ fmaxf(cd->slope *
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+ (cd->threshold - env_db), -60.0f) :
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+ 0.0f;
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// ballistics (attack/release)
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// ballistics (attack/release)
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if (i > 0) {
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if (i > 0) {
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if (gain > cd->gaindB[chan][i - 1])
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if (gain > cd->gaindB[chan][i - 1])
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- cd->gaindB[chan][i] = attack_gain * cd->gaindB[chan][i - 1]
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- + (1 - attack_gain) * gain;
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+ cd->gaindB[chan][i] = attack_gain *
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+ cd->gaindB[chan][i - 1] +
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+ (1.0f - attack_gain) * gain;
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else
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else
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- cd->gaindB[chan][i] = release_gain * cd->gaindB[chan][i - 1]
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- + (1 - release_gain) * gain;
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+ cd->gaindB[chan][i] = release_gain *
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+ cd->gaindB[chan][i - 1] +
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+ (1.0f - release_gain) * gain;
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} else {
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} else {
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if (gain > cd->gaindB_buf[chan])
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if (gain > cd->gaindB_buf[chan])
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- cd->gaindB[chan][i] = attack_gain * cd->gaindB_buf[chan]
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- + (1 - attack_gain) * gain;
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+ cd->gaindB[chan][i] = attack_gain *
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+ cd->gaindB_buf[chan] +
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+ (1.0f - attack_gain) * gain;
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else
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else
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- cd->gaindB[chan][i] = release_gain * cd->gaindB_buf[chan]
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- + (1 - release_gain) * gain;
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+ cd->gaindB[chan][i] = release_gain *
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+ cd->gaindB_buf[chan] +
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+ (1.0f - release_gain) * gain;
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}
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}
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gain = db_to_mul(fminf(0, cd->gaindB[chan][i]));
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gain = db_to_mul(fminf(0, cd->gaindB[chan][i]));
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@@ -373,12 +375,7 @@ static bool presets_changed(obs_properties_t *props, obs_property_t *prop,
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static obs_properties_t *expander_properties(void *data)
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static obs_properties_t *expander_properties(void *data)
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{
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{
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- struct expander_data *cd = data;
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obs_properties_t *props = obs_properties_create();
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obs_properties_t *props = obs_properties_create();
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- obs_source_t *parent = NULL;
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-
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- if (cd)
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- parent = obs_filter_get_parent(cd->context);
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obs_property_t *presets = obs_properties_add_list(props, S_PRESETS,
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obs_property_t *presets = obs_properties_add_list(props, S_PRESETS,
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TEXT_PRESETS, OBS_COMBO_TYPE_LIST,
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TEXT_PRESETS, OBS_COMBO_TYPE_LIST,
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