Increase sample buffer sizes

src/audio/audio_converter.cpp

@@ -23,7 +23,7 @@
 
 static constexpr char kTag[] = "mixer";
 
-static constexpr std::size_t kSampleBufferLength = 240 * 2 * 8;
+static constexpr std::size_t kSampleBufferLength = 240 * 2 * 64;
 static constexpr std::size_t kSourceBufferLength =
     kSampleBufferLength * 2 * sizeof(sample::Sample);
 

src/audio/audio_decoder.cpp

@@ -46,7 +46,7 @@ namespace audio {
 
 static const char* kTag = "audio_dec";
 
-static constexpr std::size_t kCodecBufferLength = 240 * 4 * 16;
+static constexpr std::size_t kCodecBufferLength = 240 * 4 * 64;
 
 Timer::Timer(const codecs::ICodec::OutputFormat& format)
     : current_seconds_(0),
@@ -91,6 +91,7 @@ Decoder::Decoder(std::shared_ptr<IAudioSource> source,
       codec_(),
       timer_(),
       current_format_() {
+  ESP_LOGI(kTag, "allocating codec buffer, %u KiB", kCodecBufferLength / 1024);
   codec_buffer_ = {
       reinterpret_cast<sample::Sample*>(heap_caps_calloc(
           kCodecBufferLength, sizeof(sample::Sample), MALLOC_CAP_SPIRAM)),