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authorjacqueline <me@jacqueline.id.au>2024-02-07 21:29:28 +1100
committerjacqueline <me@jacqueline.id.au>2024-02-07 21:38:05 +1100
commitc1b03c151edc12f9ec46e63ae6fd2744dc2f59b5 (patch)
tree62b5aa4c6f125d79c5b99865d247bbef97294c4e
parent18345a1c2c357d194c9eda8bf2103db9965d3996 (diff)
downloadtangara-fw-c1b03c151edc12f9ec46e63ae6fd2744dc2f59b5.tar.gz
put opus' allocations into internal ram
it's a pretty chonky codec, but this seems like the best way to tame its performance.
-rw-r--r--lib/opusfile/CMakeLists.txt2
-rw-r--r--lib/opusfile/include/custom_support.h17
-rw-r--r--src/audio/audio_fsm.cpp2
3 files changed, 20 insertions, 1 deletions
diff --git a/lib/opusfile/CMakeLists.txt b/lib/opusfile/CMakeLists.txt
index 94d1af9e..f9b5e4ce 100644
--- a/lib/opusfile/CMakeLists.txt
+++ b/lib/opusfile/CMakeLists.txt
@@ -17,4 +17,6 @@ set(OPUS_BUILD_TESTING OFF)
set(OPUS_BUILD_SHARED_LIBS OFF)
add_subdirectory($ENV{PROJ_PATH}/lib/opus ${CMAKE_CURRENT_BINARY_DIR}/opus)
+target_compile_definitions(opus PRIVATE CUSTOM_SUPPORT)
+target_include_directories(opus PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include)
target_link_libraries(${COMPONENT_LIB} PUBLIC opus)
diff --git a/lib/opusfile/include/custom_support.h b/lib/opusfile/include/custom_support.h
new file mode 100644
index 00000000..d99cc5e2
--- /dev/null
+++ b/lib/opusfile/include/custom_support.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "esp_heap_caps.h"
+#include "opus_defines.h"
+
+#define OVERRIDE_OPUS_ALLOC
+#define OVERRIDE_OPUS_FREE
+
+static OPUS_INLINE void *opus_alloc (size_t size)
+{
+ return heap_caps_malloc(size, MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL);
+}
+
+static OPUS_INLINE void opus_free (void *ptr)
+{
+ heap_caps_free(ptr);
+}
diff --git a/src/audio/audio_fsm.cpp b/src/audio/audio_fsm.cpp
index 31d006fe..54ffa51d 100644
--- a/src/audio/audio_fsm.cpp
+++ b/src/audio/audio_fsm.cpp
@@ -162,7 +162,7 @@ void Uninitialised::react(const system_fsm::BootComplete& ev) {
sServices = ev.services;
constexpr size_t kDrainBufferSize =
- drivers::kI2SBufferLengthFrames * sizeof(sample::Sample) * 2 * 8;
+ drivers::kI2SBufferLengthFrames * sizeof(sample::Sample) * 8;
ESP_LOGI(kTag, "allocating drain buffer, size %u KiB",
kDrainBufferSize / 1024);
StreamBufferHandle_t stream = xStreamBufferCreateWithCaps(