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Number of samples need to be more than 0 when calculating corruption score.

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Bug: webrtc:358039777
Change-Id: I28597185731ba3d9485103f7c24813f2bdd7110a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/363120
Reviewed-by: Fanny Linderborg <linderborg@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Commit-Queue: Emil Vardar (xWF) <vardar@google.com>
Cr-Commit-Position: refs/heads/main@{#43075}
This commit is contained in:
Emil Vardar 2024-09-24 12:02:07 +00:00 committed by WebRTC LUCI CQ
parent 37458ce40a
commit 965f134b2b
2 changed files with 31 additions and 8 deletions
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14
video/corruption_detection/corruption_classifier.cc
View File

@ -43,13 +43,6 @@ double CorruptionClassifier::CalculateCorruptionProbablility(
rtc::ArrayView<const FilteredSample> filtered_compressed_samples,
int luma_threshold,
int chroma_threshold) const {
RTC_DCHECK_GT(luma_threshold, 0) << "Luma threshold must be positive.";
RTC_DCHECK_GT(chroma_threshold, 0) << "Chroma threshold must be positive.";
RTC_DCHECK_EQ(filtered_original_samples.size(),
filtered_compressed_samples.size())
<< "The original and compressed frame have a different amount of "
"filtered samples.";
double loss = GetScore(filtered_original_samples, filtered_compressed_samples,
luma_threshold, chroma_threshold);
@ -78,8 +71,13 @@ double CorruptionClassifier::GetScore(
rtc::ArrayView<const FilteredSample> filtered_compressed_samples,
int luma_threshold,
int chroma_threshold) const {
RTC_DCHECK_GE(luma_threshold, 0);
RTC_DCHECK_GE(chroma_threshold, 0);
RTC_CHECK_EQ(filtered_original_samples.size(),
filtered_compressed_samples.size());
filtered_compressed_samples.size())
<< "The original and compressed frame have different amounts of "
"filtered samples.";
RTC_CHECK_GT(filtered_original_samples.size(), 0);
const int num_samples = filtered_original_samples.size();
double sum = 0.0;
for (int i = 0; i < num_samples; ++i) {

25
video/corruption_detection/corruption_classifier_unittest.cc
View File

@ -20,6 +20,10 @@ namespace webrtc {
namespace {
using ::testing::DoubleNear;
#if GTEST_HAS_DEATH_TEST
using ::testing::_;
using ::testing::HasSubstr;
#endif // GTEST_HAS_DEATH_TEST
constexpr int kLumaThreshold = 3;
constexpr int kChromaThreshold = 2;
@ -56,6 +60,27 @@ std::vector<FilteredSample> GetCompressedSampleValues(
.plane = ImagePlane::kChroma}};
}
#if GTEST_HAS_DEATH_TEST
TEST(CorruptionClassifierTest, EmptySamplesShouldResultInDeath) {
CorruptionClassifier corruption_classifier(kScaleFactor);
EXPECT_DEATH(corruption_classifier.CalculateCorruptionProbablility(
{}, {}, kLumaThreshold, kChromaThreshold),
_);
}
TEST(CorruptionClassifierTest, DifferentAmountOfSamplesShouldResultInDeath) {
CorruptionClassifier corruption_classifier(kScaleFactor);
const std::vector<FilteredSample> filtered_compressed_samples = {
{.value = 1.0, .plane = ImagePlane::kLuma}};
EXPECT_DEATH(corruption_classifier.CalculateCorruptionProbablility(
kFilteredOriginalSampleValues, filtered_compressed_samples,
kLumaThreshold, kChromaThreshold),
HasSubstr("The original and compressed frame have different "
"amounts of filtered samples."));
}
#endif // GTEST_HAS_DEATH_TEST
TEST(CorruptionClassifierTest,
SameSampleValuesShouldResultInNoCorruptionScalarConfig) {
float kIncreaseValue = 0.0;