dma buffer

platformio.ini

@@ -10,12 +10,13 @@
 
 [env:heltec_wifi_lora_32]
 ;platform = https://github.com/platformio/platform-espressif32.git#feature/stage
-platform = espressif32
+platform = espressif32@1.0.2
+;platform = espressif32
 board = heltec_wifi_lora_32
 board_f_cpu = 240000000L
 board_f_flash = 80000000L
 framework = arduino
-build_flags = -DLOG_LOCAL_LEVEL=ESP_LOG_VERBOSE -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_VERBOSE -DDEBUG_INT_ALLOC_DECISIONS=1
+;build_flags = -DLOG_LOCAL_LEVEL=ESP_LOG_VERBOSE -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_VERBOSE -DDEBUG_INT_ALLOC_DECISIONS=1
 ; -DCONFIG_ESP32_RTC_CLOCK_SOURCE_EXTERNAL_CRYSTAL=y
 board_build.partitions = min_spiffs.csv
 ; http://docs.platformio.org/en/latest/platforms/espressif32.html#partition-tables https://github.com/espressif/arduino-esp32/tree/master/tools/partitions
@@ -26,8 +27,8 @@ lib_deps =
     u8g2
     NTPClient
 ;    ESP8266Audio
-    https://github.com/earlephilhower/ESP8266Audio.git
-;    https://github.com/h3ndrik/ESP8266Audio.git
+;    https://github.com/earlephilhower/ESP8266Audio.git
+    https://github.com/h3ndrik/ESP8266Audio.git#dma_buf_count
     https://github.com/Gianbacchio/ESP8266_Spiram.git
     Adafruit Unified Sensor
     Adafruit BME280 Library

src/mp3.cpp

@@ -143,7 +143,7 @@ void MP3::mp3_decoder_task(void *pvParameters) {
   audiobuffer = buff;
   buff->RegisterStatusCB(StatusCallback, (void*)"buffer");
   if (out == NULL) {
-    out = new AudioOutputI2S(I2S_NUM_0, AudioOutputI2S::EXTERNAL_I2S, AudioOutputI2S::APLL_DISABLE);
+    out = new AudioOutputI2S(I2S_NUM_0, AudioOutputI2S::EXTERNAL_I2S, 32, AudioOutputI2S::APLL_DISABLE);
     out->SetPinout(12, 13, 25);
     //out->SetRate(44100);
     //out->SetBitsPerSample(I2S_BITS_PER_SAMPLE_16BIT);
@@ -177,7 +177,7 @@ void MP3::mp3_decoder_task(void *pvParameters) {
       break;
     }
     if (!playing) break;
-    vTaskDelay(5 / portTICK_PERIOD_MS);
+    vTaskDelay(20 / portTICK_PERIOD_MS);
   }
 
   playing = false;