fix #54 for OPUS. Rework sync algorithm.

- remove some unused code and variables
- remove APLL dependency when using sample stuffing
- bug fixes

components/lightsnapcast/include/player.h

@@ -1,7 +1,7 @@
 #ifndef __PLAYER_H__
 #define __PLAYER_H__
 
-#include "driver/i2s.h"
+#include "driver/i2s_std.h"
 #include "esp_types.h"
 #include "freertos/FreeRTOS.h"
 #include "sdkconfig.h"
@@ -37,6 +37,7 @@ typedef struct pcmData {
   tv_t timestamp;
   size_t totalSize;
   pcm_chunk_fragment_t *fragment;
+  uint32_t caps;
 } pcm_chunk_message_t;
 
 typedef enum codec_type_e { NONE = 0, PCM, FLAC, OGG, OPUS } codec_type_t;

components/ota_server/ota_server.c

@@ -137,7 +137,7 @@ static esp_err_t create_tcp_server() {
   }
 
   struct sockaddr_in client_addr;
-  unsigned int socklen = sizeof(client_addr);
+  socklen_t socklen = sizeof(client_addr);
   connect_socket =
       accept(server_socket, (struct sockaddr *)&client_addr, &socklen);