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| author | jacqueline <me@jacqueline.id.au> | 2023-09-26 17:23:34 +1000 |
|---|---|---|
| committer | jacqueline <me@jacqueline.id.au> | 2023-09-26 17:23:34 +1000 |
| commit | 8608f9367fc29e498f42f5249aa248dd2044d567 (patch) | |
| tree | c8564bfe6bbc6c5a9413bbd29b4e52f2cf3bd35c /src/audio/audio_decoder.cpp | |
| parent | 4d99d22e10a3cb2a421da1618c127128816613c9 (diff) | |
| download | tangara-fw-8608f9367fc29e498f42f5249aa248dd2044d567.tar.gz | |
Tune buffer sizes and locations for I2S
Diffstat (limited to 'src/audio/audio_decoder.cpp')
| -rw-r--r-- | src/audio/audio_decoder.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/audio/audio_decoder.cpp b/src/audio/audio_decoder.cpp index bacd5cde..7751bf37 100644 --- a/src/audio/audio_decoder.cpp +++ b/src/audio/audio_decoder.cpp @@ -26,6 +26,7 @@ #include "freertos/projdefs.h" #include "freertos/queue.h" #include "freertos/ringbuf.h" +#include "i2s_dac.hpp" #include "span.hpp" #include "audio_converter.hpp" @@ -46,7 +47,8 @@ namespace audio { static const char* kTag = "audio_dec"; -static constexpr std::size_t kCodecBufferLength = 240 * 4 * 64; +static constexpr std::size_t kCodecBufferLength = + drivers::kI2SBufferLengthFrames * sizeof(sample::Sample) * 2; Timer::Timer(const codecs::ICodec::OutputFormat& format) : current_seconds_(0), @@ -93,7 +95,7 @@ Decoder::Decoder(std::shared_ptr<IAudioSource> source, 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)), + kCodecBufferLength, sizeof(sample::Sample), MALLOC_CAP_DMA)), kCodecBufferLength}; } |