From 3d5fc7133faf9c629258e98a81e2055ec0ad97cb Mon Sep 17 00:00:00 2001
From: Andreas Pehrson <apehrson@mozilla.com>
Date: Thu, 13 Jun 2024 23:59:41 +0200
Subject: Implement aaudio_get_supported_input_processing_params

---
 src/cubeb_aaudio.cpp | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/src/cubeb_aaudio.cpp b/src/cubeb_aaudio.cpp
index 9e81ed3..a8f596f 100644
--- a/src/cubeb_aaudio.cpp
+++ b/src/cubeb_aaudio.cpp
@@ -5,6 +5,7 @@
  * accompanying file LICENSE for details.
  */
 #include "cubeb-internal.h"
+#include "cubeb-jni.h"
 #include "cubeb/cubeb.h"
 #include "cubeb_android.h"
 #include "cubeb_log.h"
@@ -175,10 +176,16 @@ struct cubeb_stream {
   uint64_t previous_clock{};
 };
 
+struct cubeb_jni_delete {
+  void operator()(cubeb_jni * jni) { cubeb_jni_destroy(jni); }
+};
+
 struct cubeb {
   struct cubeb_ops const * ops{};
   void * libaaudio{};
 
+  std::unique_ptr<cubeb_jni, cubeb_jni_delete> jni;
+
   struct {
     // The state thread: it waits for state changes and stops
     // drained streams.
@@ -1743,6 +1750,29 @@ aaudio_get_preferred_sample_rate(cubeb * ctx, uint32_t * rate)
   return CUBEB_OK;
 }
 
+int
+aaudio_get_supported_input_processing_params(
+    cubeb * ctx, cubeb_input_processing_params * params)
+{
+  int ps = CUBEB_INPUT_PROCESSING_PARAM_NONE;
+
+  if (cubeb_fx_is_available(ctx->jni.get(), CUBEB_FX_ACOUSTIC_ECHO_CANCELER)) {
+    LOG("%s: AEC is supported", __func__);
+    ps |= CUBEB_INPUT_PROCESSING_PARAM_ECHO_CANCELLATION;
+  }
+  if (cubeb_fx_is_available(ctx->jni.get(), CUBEB_FX_AUTOMATIC_GAIN_CONTROL)) {
+    LOG("%s: AGC is supported", __func__);
+    ps |= CUBEB_INPUT_PROCESSING_PARAM_AUTOMATIC_GAIN_CONTROL;
+  }
+  if (cubeb_fx_is_available(ctx->jni.get(), CUBEB_FX_NOISE_SUPPRESSOR)) {
+    LOG("%s: NS is supported", __func__);
+    ps |= CUBEB_INPUT_PROCESSING_PARAM_NOISE_SUPPRESSION;
+  }
+
+  *params = static_cast<cubeb_input_processing_params>(ps);
+  return CUBEB_OK;
+}
+
 extern "C" int
 aaudio_init(cubeb ** context, char const * context_name);
 
@@ -1750,9 +1780,10 @@ const static struct cubeb_ops aaudio_ops = {
     /*.init =*/aaudio_init,
     /*.get_backend_id =*/aaudio_get_backend_id,
     /*.get_max_channel_count =*/aaudio_get_max_channel_count,
-    /* .get_min_latency =*/aaudio_get_min_latency,
+    /*.get_min_latency =*/aaudio_get_min_latency,
     /*.get_preferred_sample_rate =*/aaudio_get_preferred_sample_rate,
-    /*.get_supported_input_processing_params =*/nullptr,
+    /*.get_supported_input_processing_params =*/
+    aaudio_get_supported_input_processing_params,
     /*.enumerate_devices =*/nullptr,
     /*.device_collection_destroy =*/nullptr,
     /*.destroy =*/aaudio_destroy,
@@ -1800,6 +1831,7 @@ aaudio_init(cubeb ** context, char const * /* context_name */)
   cubeb * ctx = new cubeb;
   ctx->ops = &aaudio_ops;
   ctx->libaaudio = libaaudio;
+  ctx->jni.reset(cubeb_jni_init());
 
   ctx->state.thread = std::thread(state_thread, ctx);
 
-- 
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