component/bt: make A2DP source and sink task size configurable through menuconfig

1. use different set of parameters for A2DP source/sink tasks
2. make the task stack size configurable through menuconfig

Author: wmy-espressif

components/bt/Kconfig

@@ -130,6 +130,16 @@ config A2DP_SRC_ENABLE
     bool "SOURCE"
 endchoice
 
+config A2DP_SINK_TASK_STACK_SIZE
+    int "A2DP sink (audio stream decoding) task stack size"
+    depends on A2DP_ENABLE && A2DP_SINK_ENABLE
+    default 2048
+
+config A2DP_SOURCE_TASK_STACK_SIZE
+    int "A2DP source (audio stream encoding) task stack size"
+    depends on A2DP_ENABLE && A2DP_SRC_ENABLE
+    default 2048
+
 config BT_SPP_ENABLED
     bool "SPP"
     depends on CLASSIC_BT_ENABLED

components/bt/bluedroid/api/include/esp_a2dp_api.h

@@ -176,7 +176,8 @@ esp_err_t esp_a2d_register_callback(esp_a2d_cb_t callback);
 /**
  * @brief           Register A2DP sink data output function; For now the output is PCM data stream decoded
  *                  from SBC format. This function should be called only after esp_bluedroid_enable()
- *                  completes successfully, used only by A2DP sink.
+ *                  completes successfully, used only by A2DP sink. The callback is invoked in the context
+ *                  of A2DP sink task whose stack size is configurable through menuconfig
  *
  * @param[in]       callback: A2DP sink data callback function
  *
@@ -291,7 +292,8 @@ esp_err_t esp_a2d_source_deinit(void);
 /**
  * @brief           Register A2DP source data input function; For now the input is PCM data stream.
  *                  This function should be called only after esp_bluedroid_enable() completes
- *                  successfully
+ *                  successfully. The callback is invoked in the context of A2DP source task whose
+ *                  stack size is configurable through menuconfig
  *
  * @param[in]       callback: A2DP source data callback function
  *

components/bt/bluedroid/btc/profile/std/a2dp/btc_a2dp_sink.c

@@ -232,21 +232,21 @@ bool btc_a2dp_sink_startup(void)
 
     APPL_TRACE_EVENT("## A2DP SINK START MEDIA THREAD ##");
 
-    btc_aa_snk_queue_set = xQueueCreateSet(BTC_MEDIA_TASK_QUEUE_SET_LEN);
+    btc_aa_snk_queue_set = xQueueCreateSet(BTC_A2DP_SINK_TASK_QUEUE_SET_LEN);
     configASSERT(btc_aa_snk_queue_set);
-    btc_aa_snk_data_queue = xQueueCreate(BTC_MEDIA_DATA_QUEUE_LEN, sizeof(int32_t));
+    btc_aa_snk_data_queue = xQueueCreate(BTC_A2DP_SINK_DATA_QUEUE_LEN, sizeof(int32_t));
     configASSERT(btc_aa_snk_data_queue);
     xQueueAddToSet(btc_aa_snk_data_queue, btc_aa_snk_queue_set);
 
-    btc_aa_snk_ctrl_queue = xQueueCreate(BTC_MEDIA_CTRL_QUEUE_LEN, sizeof(void *));
+    btc_aa_snk_ctrl_queue = xQueueCreate(BTC_A2DP_SINK_CTRL_QUEUE_LEN, sizeof(void *));
     configASSERT(btc_aa_snk_ctrl_queue);
     xQueueAddToSet(btc_aa_snk_ctrl_queue, btc_aa_snk_queue_set);
 
     if (!btc_aa_snk_data_queue || !btc_aa_snk_ctrl_queue || !btc_aa_snk_queue_set ) {
         goto error_exit;
     }
 
-    xTaskCreatePinnedToCore(btc_a2dp_sink_task_handler, BTC_MEDIA_TASK_NAME, BTC_MEDIA_TASK_STACK_SIZE, NULL, BTC_MEDIA_TASK_PRIO, &btc_aa_snk_task_hdl, BTC_MEDIA_TASK_PINNED_TO_CORE);
+    xTaskCreatePinnedToCore(btc_a2dp_sink_task_handler, BTC_A2DP_SINK_TASK_NAME, BTC_A2DP_SINK_TASK_STACK_SIZE, NULL, BTC_A2DP_SINK_TASK_PRIO, &btc_aa_snk_task_hdl, BTC_A2DP_SINK_TASK_PINNED_TO_CORE);
     if (btc_aa_snk_task_hdl == NULL) {
         goto error_exit;
     }

components/bt/bluedroid/btc/profile/std/a2dp/btc_a2dp_source.c

@@ -307,21 +307,21 @@ bool btc_a2dp_source_startup(void)
 
     APPL_TRACE_EVENT("## A2DP SOURCE START MEDIA THREAD ##");
 
-    btc_aa_src_queue_set = xQueueCreateSet(BTC_MEDIA_TASK_QUEUE_SET_LEN);
+    btc_aa_src_queue_set = xQueueCreateSet(BTC_A2DP_SOURCE_TASK_QUEUE_SET_LEN);
     configASSERT(btc_aa_src_queue_set);
-    btc_aa_src_data_queue = xQueueCreate(BTC_MEDIA_DATA_QUEUE_LEN, sizeof(void *));
+    btc_aa_src_data_queue = xQueueCreate(BTC_A2DP_SOURCE_DATA_QUEUE_LEN, sizeof(void *));
     configASSERT(btc_aa_src_data_queue);
     xQueueAddToSet(btc_aa_src_data_queue, btc_aa_src_queue_set);
 
-    btc_aa_src_ctrl_queue = xQueueCreate(BTC_MEDIA_CTRL_QUEUE_LEN, sizeof(void *));
+    btc_aa_src_ctrl_queue = xQueueCreate(BTC_A2DP_SOURCE_CTRL_QUEUE_LEN, sizeof(void *));
     configASSERT(btc_aa_src_ctrl_queue);
     xQueueAddToSet(btc_aa_src_ctrl_queue, btc_aa_src_queue_set);
 
     if (!btc_aa_src_data_queue || !btc_aa_src_ctrl_queue || !btc_aa_src_queue_set ) {
         goto error_exit;
     }
 
-    xTaskCreatePinnedToCore(btc_a2dp_source_task_handler, BTC_MEDIA_TASK_NAME, BTC_MEDIA_TASK_STACK_SIZE, NULL, BTC_MEDIA_TASK_PRIO, &btc_aa_src_task_hdl, BTC_MEDIA_TASK_PINNED_TO_CORE);
+    xTaskCreatePinnedToCore(btc_a2dp_source_task_handler, BTC_A2DP_SOURCE_TASK_NAME, BTC_A2DP_SOURCE_TASK_STACK_SIZE, NULL, BTC_A2DP_SOURCE_TASK_PRIO, &btc_aa_src_task_hdl, BTC_A2DP_SOURCE_TASK_PINNED_TO_CORE);
     if (btc_aa_src_task_hdl == NULL) {
         goto error_exit;
     }

components/bt/bluedroid/osi/include/thread.h

@@ -83,13 +83,21 @@ typedef enum {
 #define BTC_TASK_PRIO                   (configMAX_PRIORITIES - 6)
 #define BTC_TASK_QUEUE_LEN              60
 
-#define BTC_MEDIA_TASK_PINNED_TO_CORE   (TASK_PINNED_TO_CORE)
-#define BTC_MEDIA_TASK_STACK_SIZE       (2048 + BT_TASK_EXTRA_STACK_SIZE)
-#define BTC_MEDIA_TASK_NAME             "BtcMediaT"
-#define BTC_MEDIA_TASK_PRIO             (configMAX_PRIORITIES - 3)
-#define BTC_MEDIA_DATA_QUEUE_LEN        (3)
-#define BTC_MEDIA_CTRL_QUEUE_LEN        (5)
-#define BTC_MEDIA_TASK_QUEUE_SET_LEN    (BTC_MEDIA_DATA_QUEUE_LEN + BTC_MEDIA_CTRL_QUEUE_LEN)
+#define BTC_A2DP_SINK_TASK_PINNED_TO_CORE     (TASK_PINNED_TO_CORE)
+#define BTC_A2DP_SINK_TASK_STACK_SIZE         (CONFIG_A2DP_SINK_TASK_STACK_SIZE + BT_TASK_EXTRA_STACK_SIZE) // by menuconfig
+#define BTC_A2DP_SINK_TASK_NAME               "BtA2dSinkT"
+#define BTC_A2DP_SINK_TASK_PRIO               (configMAX_PRIORITIES - 3)
+#define BTC_A2DP_SINK_DATA_QUEUE_LEN          (3)
+#define BTC_A2DP_SINK_CTRL_QUEUE_LEN          (5)
+#define BTC_A2DP_SINK_TASK_QUEUE_SET_LEN      (BTC_A2DP_SINK_DATA_QUEUE_LEN + BTC_A2DP_SINK_CTRL_QUEUE_LEN)
+
+#define BTC_A2DP_SOURCE_TASK_PINNED_TO_CORE   (TASK_PINNED_TO_CORE)
+#define BTC_A2DP_SOURCE_TASK_STACK_SIZE       (CONFIG_A2DP_SOURCE_TASK_STACK_SIZE + BT_TASK_EXTRA_STACK_SIZE) // by menuconfig
+#define BTC_A2DP_SOURCE_TASK_NAME             "BtA2dSourceT"
+#define BTC_A2DP_SOURCE_TASK_PRIO             (configMAX_PRIORITIES - 3)
+#define BTC_A2DP_SOURCE_DATA_QUEUE_LEN        (3)
+#define BTC_A2DP_SOURCE_CTRL_QUEUE_LEN        (5)
+#define BTC_A2DP_SOURCE_TASK_QUEUE_SET_LEN    (BTC_A2DP_SOURCE_DATA_QUEUE_LEN + BTC_A2DP_SOURCE_CTRL_QUEUE_LEN)
 
 #define TASK_POST_NON_BLOCKING          (0)
 #define TASK_POST_BLOCKING              (portMAX_DELAY)