ardupilot/libraries/AP_HAL_Linux/benchmarks/benchmark_videoin.cpp

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#include <AP_gbenchmark.h>
#include <AP_HAL/AP_HAL.h>
#if CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_BEBOP
#include <AP_HAL_Linux/VideoIn.h>
static void BM_Crop8bpp(benchmark::State& state)
{
uint8_t *buffer, *new_buffer;
uint32_t width = 640;
uint32_t height = 480;
uint32_t left = width / 2 - state.range_x() / 2;
uint32_t top = height / 2 - state.range_y() / 2;
buffer = (uint8_t *)malloc(width * height);
if (!buffer) {
fprintf(stderr, "error: couldn't malloc buffer\n");
return;
}
new_buffer = (uint8_t *)malloc(state.range_x() * state.range_y());
if (!new_buffer) {
fprintf(stderr, "error: couldn't malloc new_buffer\n");
free(buffer);
return;
}
while (state.KeepRunning()) {
Linux::VideoIn::crop_8bpp(buffer, new_buffer, width,
left, state.range_x(), top, state.range_y());
}
free(buffer);
free(new_buffer);
}
BENCHMARK(BM_Crop8bpp)->ArgPair(64, 64)->ArgPair(240, 240)->ArgPair(640, 480);
static void BM_YuyvToGrey(benchmark::State& state)
{
uint8_t *buffer, *new_buffer;
buffer = (uint8_t *)malloc(state.range_x());
if (!buffer) {
fprintf(stderr, "error: couldn't malloc buffer\n");
return;
}
new_buffer = (uint8_t *)malloc(state.range_x() / 2);
if (!new_buffer) {
fprintf(stderr, "error: couldn't malloc new_buffer\n");
free(buffer);
return;
}
while (state.KeepRunning()) {
Linux::VideoIn::yuyv_to_grey(buffer, state.range_x(), new_buffer);
}
free(buffer);
free(new_buffer);
}
BENCHMARK(BM_YuyvToGrey)->Arg(64 * 64)->Arg(320 * 240)->Arg(640 * 480);
#endif
BENCHMARK_MAIN()