adhd: Replace the use of master_linear_gain to main_linear_gain

Ableist language like master should be removed.
Replace the use of master_linear_gain to main_linear_gain.

BUG=b:167649426
TEST=Built and run cras successfully.

Change-Id: Ib90a0717fbbafb3cf99f9967b24e2c20beb2a2b2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/2739022
Reviewed-by: En-Shuo Hsu <enshuo@chromium.org>
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
Commit-Queue: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Tested-by: Yu-Hsuan Hsu <yuhsuan@chromium.org>

4 files changed, 18 insertions, 18 deletions

diff --git a/cras/src/dsp/drc.c b/cras/src/dsp/drc.c
index 1b2639a0..e6098419 100644
--- a/cras/src/dsp/drc.c
+++ b/cras/src/dsp/drc.c
@@ -104,7 +104,7 @@ static void set_default_parameters(struct drc *drc)
 		param[PARAM_RELEASE_ZONE3] = 0.42f;
 		param[PARAM_RELEASE_ZONE4] = 0.98f;
 
-		/* This is effectively a master volume on the compressed
+		/* This is effectively a main volume on the compressed
 		 * signal */
 		param[PARAM_POST_GAIN] = 0; /* dB */
 		param[PARAM_ENABLED] = 0;
diff --git a/cras/src/dsp/drc_kernel.c b/cras/src/dsp/drc_kernel.c
index c0eb100b..8c3404fc 100644
--- a/cras/src/dsp/drc_kernel.c
+++ b/cras/src/dsp/drc_kernel.c
@@ -257,7 +257,7 @@ void dk_set_parameters(struct drc_kernel *dk, float db_threshold, float db_knee,
 	/* Empirical/perceptual tuning. */
 	full_range_makeup_gain = powf(full_range_makeup_gain, 0.6f);
 
-	dk->master_linear_gain =
+	dk->main_linear_gain =
 		decibels_to_linear(db_post_gain) * full_range_makeup_gain;
 
 	/* Attack parameters. */
@@ -566,7 +566,7 @@ static void dk_update_detector_average(struct drc_kernel *dk)
 #include <arm_neon.h>
 static void dk_compress_output(struct drc_kernel *dk)
 {
-	const float master_linear_gain = dk->master_linear_gain;
+	const float main_linear_gain = dk->main_linear_gain;
 	const float envelope_rate = dk->envelope_rate;
 	const float scaled_desired_gain = dk->scaled_desired_gain;
 	const float compressor_gain = dk->compressor_gain;
@@ -638,7 +638,7 @@ static void dk_compress_output(struct drc_kernel *dk)
 			  [A7]"w"(A7),
 			  [base]"w"(vdupq_n_f32(scaled_desired_gain)),
 			  [r4]"w"(vdupq_n_f32(r*r*r*r)),
-			  [g]"w"(vdupq_n_f32(master_linear_gain))
+			  [g]"w"(vdupq_n_f32(main_linear_gain))
 			: /* clobber */
 			  "memory", "cc");
 		// clang-format on
@@ -698,7 +698,7 @@ static void dk_compress_output(struct drc_kernel *dk)
 			  [A7]"w"(A7),
 			  [one]"w"(vdupq_n_f32(1)),
 			  [r4]"w"(vdupq_n_f32(r*r*r*r)),
-			  [g]"w"(vdupq_n_f32(master_linear_gain))
+			  [g]"w"(vdupq_n_f32(main_linear_gain))
 			: /* clobber */
 			  "memory", "cc");
 		// clang-format on
@@ -709,7 +709,7 @@ static void dk_compress_output(struct drc_kernel *dk)
 #include <emmintrin.h>
 static void dk_compress_output(struct drc_kernel *dk)
 {
-	const float master_linear_gain = dk->master_linear_gain;
+	const float main_linear_gain = dk->main_linear_gain;
 	const float envelope_rate = dk->envelope_rate;
 	const float scaled_desired_gain = dk->scaled_desired_gain;
 	const float compressor_gain = dk->compressor_gain;
@@ -789,7 +789,7 @@ static void dk_compress_output(struct drc_kernel *dk)
 			  [A7]"x"(A7),
 			  [base]"x"(_mm_set1_ps(scaled_desired_gain)),
 			  [r4]"x"(_mm_set1_ps(r*r*r*r)),
-			  [g]"x"(_mm_set1_ps(master_linear_gain))
+			  [g]"x"(_mm_set1_ps(main_linear_gain))
 			: /* clobber */
 			  "memory", "cc");
 		// clang-format on
@@ -862,7 +862,7 @@ static void dk_compress_output(struct drc_kernel *dk)
 			  [A7]"x"(A7),
 			  [one]"x"(_mm_set1_ps(1)),
 			  [r4]"x"(_mm_set1_ps(r*r*r*r)),
-			  [g]"x"(_mm_set1_ps(master_linear_gain))
+			  [g]"x"(_mm_set1_ps(main_linear_gain))
 			: /* clobber */
 			  "memory", "cc");
 		// clang-format on
@@ -872,7 +872,7 @@ static void dk_compress_output(struct drc_kernel *dk)
 #else
 static void dk_compress_output(struct drc_kernel *dk)
 {
-	const float master_linear_gain = dk->master_linear_gain;
+	const float main_linear_gain = dk->main_linear_gain;
 	const float envelope_rate = dk->envelope_rate;
 	const float scaled_desired_gain = dk->scaled_desired_gain;
 	const float compressor_gain = dk->compressor_gain;
@@ -902,8 +902,8 @@ static void dk_compress_output(struct drc_kernel *dk)
 				float post_warp_compressor_gain =
 					warp_sinf(x[j] + base);
 
-				/* Calculate total gain using master gain. */
-				float total_gain = master_linear_gain *
+				/* Calculate total gain using main gain. */
+				float total_gain = main_linear_gain *
 						   post_warp_compressor_gain;
 
 				/* Apply final gain. */
@@ -936,8 +936,8 @@ static void dk_compress_output(struct drc_kernel *dk)
 				float post_warp_compressor_gain =
 					warp_sinf(x[j]);
 
-				/* Calculate total gain using master gain. */
-				float total_gain = master_linear_gain *
+				/* Calculate total gain using main gain. */
+				float total_gain = main_linear_gain *
 						   post_warp_compressor_gain;
 
 				/* Apply final gain. */
diff --git a/cras/src/dsp/drc_kernel.h b/cras/src/dsp/drc_kernel.h
index 1157f225..2ed9956e 100644
--- a/cras/src/dsp/drc_kernel.h
+++ b/cras/src/dsp/drc_kernel.h
@@ -67,7 +67,7 @@ struct drc_kernel {
 	float kA, kB, kC, kD, kE;
 
 	/* Calculated parameters */
-	float master_linear_gain;
+	float main_linear_gain;
 	float attack_frames;
 	float sat_release_frames_inv_neg;
 	float sat_release_rate_at_neg_two_db;
diff --git a/scripts/audio_tuning/frontend/audio.js b/scripts/audio_tuning/frontend/audio.js
index b90be953..98870cdd 100644
--- a/scripts/audio_tuning/frontend/audio.js
+++ b/scripts/audio_tuning/frontend/audio.js
@@ -1570,7 +1570,7 @@ function DrcDrawer(canvas) {
   var kneeThresholdDb;
   var kneeThreshold;
   var ykneeThresholdDb;
-  var masterLinearGain;
+  var mainLinearGain;
 
   var maxOutputDb = 6;
   var minOutputDb = -36;
@@ -1662,10 +1662,10 @@ function DrcDrawer(canvas) {
     kneeThreshold = dBToLinear(kneeThresholdDb);
     ykneeThresholdDb = linearToDb(kneeCurve(kneeThreshold, curve_k));
 
-    /* Calculate masterLinearGain */
+    /* Calculate mainLinearGain */
     var fullRangeGain = saturate(1, curve_k);
     var fullRangeMakeupGain = Math.pow(1 / fullRangeGain, 0.6);
-    masterLinearGain = dBToLinear(boost) * fullRangeMakeupGain;
+    mainLinearGain = dBToLinear(boost) * fullRangeMakeupGain;
 
     /* Clear canvas */
     var width = canvas.width;
@@ -1725,7 +1725,7 @@ function DrcDrawer(canvas) {
       var inputDb = xpixelToDb(x);
       var inputLinear = dBToLinear(inputDb);
       var outputLinear = saturate(inputLinear, curve_k);
-      outputLinear *= masterLinearGain;
+      outputLinear *= mainLinearGain;
       var outputDb = linearToDb(outputLinear);
       var y = dBToYPixel(outputDb);