commit c2704a5facd97afa0f19d5415adb38f26cb8bc92
author Michael Dooley <mdooley@google.com> Tue Oct 16 19:55:18 2018 +0000
committer Michael Dooley <mdooley@google.com> Tue Oct 16 19:55:18 2018 +0000
tree f79b6c7d92054a9ef4d66613502dbfc99774511a
parent 5ac2672ce38540b55fc8ba2aa53e1e2936faf711

Revert "Revert "Adding getModelState API to sound trigger""

This reverts commit 5ac2672ce38540b55fc8ba2aa53e1e2936faf711.

Reason for revert: rolling forward with fix

Change-Id: Ib7d321f06c94f06a22e962542c9a4c8744702134

modules/soundtrigger/sound_trigger_hw.c

diff --git a/modules/soundtrigger/sound_trigger_hw.c b/modules/soundtrigger/sound_trigger_hw.c
index 0089f98..25d4813 100644
--- a/modules/soundtrigger/sound_trigger_hw.c
+++ b/modules/soundtrigger/sound_trigger_hw.c
@@ -811,6 +811,39 @@
     return 0;
 }
 
+// Caller is responsible for freeing the memory
+static struct sound_trigger_recognition_event * stdev_get_model_state(
+            const struct sound_trigger_hw_device *dev,
+            sound_model_handle_t handle) {
+    struct stub_sound_trigger_device *stdev = (struct stub_sound_trigger_device *)dev;
+    ALOGI("%s", __func__);
+    pthread_mutex_lock(&stdev->lock);
+
+    struct recognition_context *model_context = get_model_context(stdev, handle);
+    if (!model_context) {
+        ALOGW("Can't find sound model handle %d in registered list", handle);
+        pthread_mutex_unlock(&stdev->lock);
+        return NULL;
+    }
+
+    struct sound_trigger_recognition_event *event = NULL;
+    if (model_context->model_type == SOUND_MODEL_TYPE_GENERIC) {
+      // TODO(mdooley): define a new status for this use case?
+      int status = RECOGNITION_STATUS_SUCCESS;
+      event = (struct sound_trigger_recognition_event *)
+              sound_trigger_generic_event_alloc(model_context->model_handle,
+                                                model_context->config, status);
+    } else {
+      ALOGI("Unsupported sound model type: %d, state not available.",
+            model_context->model_type);
+    }
+
+    pthread_mutex_unlock(&stdev->lock);
+    ALOGI("%s done for handle %d", __func__, handle);
+
+    return event;
+}
+
 __attribute__ ((visibility ("default")))
 int sound_trigger_open_for_streaming() {
     int ret = 0;
@@ -863,6 +896,7 @@
     stdev->device.start_recognition = stdev_start_recognition;
     stdev->device.stop_recognition = stdev_stop_recognition;
     stdev->device.stop_all_recognitions = stdev_stop_all_recognitions;
+    stdev->device.get_model_state = stdev_get_model_state;
 
     pthread_mutex_init(&stdev->lock, (const pthread_mutexattr_t *) NULL);
 
@@ -890,4 +924,3 @@
         .methods = &hal_module_methods,
     },
 };
-