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Test extreme inputs in frame scale functions

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Change-Id: Ic149e3cb59be2ee0f98a3fcfd83226ad5ea30c99
This commit is contained in:
Linfeng Zhang 2017-10-11 11:35:19 -07:00
parent 16166bfdaa
commit 1fa3ec3023
1 changed files with 21 additions and 7 deletions

28
test/vpx_scale_test.h

@ -15,11 +15,14 @@
#include "./vpx_config.h"
#include "./vpx_scale_rtcd.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx_scale/yv12config.h"
using libvpx_test::ACMRandom;
namespace libvpx_test {
class VpxScaleBase {
@ -65,12 +68,12 @@ class VpxScaleBase {
ResetScaleImage(&img_, src_width, src_height);
ResetScaleImage(&ref_img_, dst_width, dst_height);
ResetScaleImage(&dst_img_, dst_width, dst_height);
FillPlane(img_.y_buffer, img_.y_crop_width, img_.y_crop_height,
img_.y_stride);
FillPlane(img_.u_buffer, img_.uv_crop_width, img_.uv_crop_height,
img_.uv_stride);
FillPlane(img_.v_buffer, img_.uv_crop_width, img_.uv_crop_height,
img_.uv_stride);
FillPlaneExtreme(img_.y_buffer, img_.y_crop_width, img_.y_crop_height,
img_.y_stride);
FillPlaneExtreme(img_.u_buffer, img_.uv_crop_width, img_.uv_crop_height,
img_.uv_stride);
FillPlaneExtreme(img_.v_buffer, img_.uv_crop_width, img_.uv_crop_height,
img_.uv_stride);
}
void DeallocImages() {
@ -89,7 +92,8 @@ class VpxScaleBase {
static const int kBufFiller = 123;
static const int kBufMax = kBufFiller - 1;
static void FillPlane(uint8_t *buf, int width, int height, int stride) {
static void FillPlane(uint8_t *const buf, const int width, const int height,
const int stride) {
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
buf[x + (y * stride)] = (x + (width * y)) % kBufMax;
@ -97,6 +101,16 @@ class VpxScaleBase {
}
}
static void FillPlaneExtreme(uint8_t *const buf, const int width,
const int height, const int stride) {
ACMRandom rnd;
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
buf[x + (y * stride)] = rnd.Rand8() % 2 ? 255 : 0;
}
}
}
static void ExtendPlane(uint8_t *buf, int crop_width, int crop_height,
int width, int height, int stride, int padding) {
// Copy the outermost visible pixel to a distance of at least 'padding.'