adds libwav

2 files changed, 38 insertions, 0 deletions

diff --git a/3rdparty/libwav/tests/write_f32/CMakeLists.txt b/3rdparty/libwav/tests/write_f32/CMakeLists.txt
new file mode 100644
index 0000000..cca1ecf
--- /dev/null
+++ b/3rdparty/libwav/tests/write_f32/CMakeLists.txt
@@ -0,0 +1,13 @@
+add_executable(write-f32 main.c)
+target_link_libraries(write-f32
+    wav::wav
+    $<$<PLATFORM_ID:Linux>:m>
+    )
+target_include_directories(write-f32 PRIVATE ${CMAKE_SOURCE_DIR}/include)
+target_compile_features(write-f32 PRIVATE ${wav_compile_features})
+target_compile_definitions(write-f32 PRIVATE ${wav_compile_definitions})
+target_compile_options(write-f32 PRIVATE
+    ${wav_c_flags}
+    $<$<CONFIG:RELEASE>:${wav_compile_options_release}>
+    $<$<CONFIG:RELWITHDEBINFO>:${wav_compile_options_release}>
+    )
diff --git a/3rdparty/libwav/tests/write_f32/main.c b/3rdparty/libwav/tests/write_f32/main.c
new file mode 100644
index 0000000..14f4f33
--- /dev/null
+++ b/3rdparty/libwav/tests/write_f32/main.c
@@ -0,0 +1,25 @@
+#include <math.h>
+#include <stdlib.h>
+#include "wav.h"
+
+void generate_sine_wave(float *x, int sample_rate, int len)
+{
+    for (int i = 0; i < len; ++i) {
+        x[i] = 0.5f * cosf(2 * 3.14159265358979323f * 440.0f * i / sample_rate);
+    }
+}
+
+int main(void)
+{
+    float *buf = malloc(sizeof(float) * 10 * 44100);
+    generate_sine_wave(buf, 44100, 10 * 44100);
+    WavFile *fp = wav_open("out.wav", WAV_OPEN_WRITE);
+    wav_set_format(fp, WAV_FORMAT_IEEE_FLOAT);
+    /* wav_set_sample_size(fp, sizeof(float)); */
+    wav_set_num_channels(fp, 1);
+    wav_set_sample_rate(fp, 44100);
+    wav_write(fp, buf, 10 * 44100);
+    wav_close(fp);
+    free(buf);
+    return 0;
+}