tests: major coverage round for node/render/audio/plugin subsystems

Add 12 gtest files (~400 tests) covering previously untested or
under-tested areas:
- node_math_test: MathNode operations across number/rational/vector/
  matrix/color/sample pairings, shader code generation
- node_undo_test: all nodeundo command classes redo/undo
- track_test: Track block management, lookup, references, Value()
- render_diskcache_test: FrameHashCache EXR/JPEG round trips,
  DiskManager LRU eviction, state persistence
- node_group_test: NodeGroup passthrough registration and serialization
- plugin_paraminstance_test: OFX param instances and clip image logic
- audio_waveform_test: AudioVisualWaveform + AudioProcessor
- node_value_extended_test: NodeValue conversions, NodeValueTable ops,
  NodeKeyframe/bezier behavior
- render_projectcopier_test: ProjectCopier sync, PlaybackCache,
  AudioPlaybackCache PCM segments
- node_core_test: Node input arrays, flags, contexts, links, keyframe
  events, CopyInputs
- clip_traverser_test: ClipBlock speed/reverse/loop time mapping,
  traverser time propagation
- audio_manager_viewer_test: AudioManager device API, ViewerOutput
  params/streams/signals

Also fixes two real bugs found by the new tests:
- MathNode vec-vec divide crashed (debug) or produced NaN (release) on
  the zero padding components of vec2/vec3 operands
- NodeKeyframe's default constructor left previous_/next_ and the
  bezier handles uninitialized
This commit is contained in:
2026-07-17 04:17:51 +08:00
parent e1228f6663
commit 576a843e4d
15 changed files with 11232 additions and 4 deletions
+913
View File
@@ -0,0 +1,913 @@
/***
Oak Video Editor - Extended tests for AudioVisualWaveform and AudioProcessor
Copyright (C) 2026 Oak Team
***/
#include <gtest/gtest.h>
#include <algorithm>
#include <cstring>
#include <vector>
#include <QColor>
#include <QImage>
#include <QPainter>
#include "audio/audioprocessor.h"
#include "audio/audiovisualwaveform.h"
#include "olive/core/render/audioparams.h"
#include "olive/core/render/samplebuffer.h"
#include "olive/core/render/sampleformat.h"
namespace
{
constexpr int kSampleRate = 48000;
olive::core::AudioParams MakeParams(uint64_t channel_layout)
{
return olive::core::AudioParams(kSampleRate, channel_layout,
olive::core::SampleFormat::F32P);
}
// Returns a buffer of `sample_count` samples per channel, every sample set to
// `value`. Constant buffers keep mipmap chunk boundaries irrelevant, so
// summaries can be checked with exact float comparisons.
olive::core::SampleBuffer MakeConstantBuffer(
const olive::core::AudioParams &params, size_t sample_count, float value)
{
olive::core::SampleBuffer buffer(params, sample_count);
for (int ch = 0; ch < buffer.channel_count(); ch++) {
float *data = buffer.data(ch);
for (size_t i = 0; i < buffer.sample_count(); i++) {
data[i] = value;
}
}
return buffer;
}
// Returns one second of mono `first_value` followed by one second of mono
// `second_value`. The split lands exactly on a chunk boundary at every mipmap
// rate when kSampleRate is 48000, so per-range summaries stay exact.
olive::core::SampleBuffer MakeSplitMonoBuffer(float first_value,
float second_value)
{
olive::core::SampleBuffer buffer(
MakeParams(olive::core::kChannelLayoutMono), size_t(kSampleRate * 2));
float *data = buffer.data(0);
for (size_t i = 0; i < size_t(kSampleRate); i++) {
data[i] = first_value;
}
for (size_t i = size_t(kSampleRate); i < buffer.sample_count(); i++) {
data[i] = second_value;
}
return buffer;
}
olive::core::SampleBuffer MakeMonoConstant(size_t sample_count, float value)
{
return MakeConstantBuffer(MakeParams(olive::core::kChannelLayoutMono),
sample_count, value);
}
void ExpectSummary(const olive::AudioVisualWaveform::Sample &summary,
size_t channel, float expected_min, float expected_max)
{
ASSERT_LT(channel, summary.size());
// ReSumSamples aggregates starting from a zero-initialized accumulator, so
// a summary always spans zero for single-signed data.
EXPECT_FLOAT_EQ(summary.at(channel).min, std::min(expected_min, 0.0f));
EXPECT_FLOAT_EQ(summary.at(channel).max, std::max(expected_max, 0.0f));
}
// Pushes input through the processor, then flushes and drains everything the
// filter graph still holds, returning the accumulated per-plane output.
// Draining after a flush ends at EOF, which AudioProcessor reports as a
// negative return value, so the final Convert result is intentionally unused.
olive::AudioProcessor::Buffer ConvertAndDrain(olive::AudioProcessor &processor,
float **input, int nb_samples)
{
olive::AudioProcessor::Buffer output;
EXPECT_GE(processor.Convert(input, nb_samples, &output), 0);
processor.Flush();
olive::AudioProcessor::Buffer rest;
processor.Convert(nullptr, 0, &rest);
if (output.size() < rest.size()) {
output.resize(rest.size());
}
for (int i = 0; i < rest.size(); i++) {
output[i].append(rest.at(i));
}
return output;
}
} // namespace
// ---------------------------------------------------------------------------
// AudioVisualWaveform::OverwriteSamples
// ---------------------------------------------------------------------------
TEST(AudioVisualWaveform, OverwriteSamplesWithZeroChannelsIsIgnored)
{
olive::AudioVisualWaveform waveform; // channel count defaults to zero
olive::core::SampleBuffer buffer(
MakeParams(olive::core::kChannelLayoutStereo), size_t(100));
waveform.OverwriteSamples(buffer, kSampleRate, olive::core::rational(0));
// Nothing is written and no length is recorded
EXPECT_EQ(waveform.length(), olive::core::rational(0));
EXPECT_TRUE(waveform
.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1))
.empty());
}
TEST(AudioVisualWaveform, OverwriteSamplesAtNonZeroStartSetsLength)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.75f),
kSampleRate, olive::core::rational(2));
// length() tracks the absolute end time of the written data
EXPECT_EQ(waveform.length(), olive::core::rational(3));
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(2),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
}
TEST(AudioVisualWaveform, OverwriteSamplesReplacesPreviousData)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.8f),
kSampleRate, olive::core::rational(0));
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.2f),
kSampleRate, olive::core::rational(0));
// Overwriting must replace, not mix or extend
EXPECT_EQ(waveform.length(), olive::core::rational(1));
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.2f, 0.2f);
}
TEST(AudioVisualWaveform, OverwriteSamplesAfterGapLeavesSilence)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.25f),
kSampleRate, olive::core::rational(0));
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.75f),
kSampleRate, olive::core::rational(2));
EXPECT_EQ(waveform.length(), olive::core::rational(3));
olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.25f, 0.25f);
// The unwritten gap between the two writes reads back as zeros
summary = waveform.GetSummaryFromTime(olive::core::rational(1),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.0f, 0.0f);
summary = waveform.GetSummaryFromTime(olive::core::rational(2),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
}
TEST(AudioVisualWaveform, OverwriteSamplesBeforeExistingDataPrependsZeros)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.75f),
kSampleRate, olive::core::rational(2));
ASSERT_EQ(waveform.length(), olive::core::rational(3));
// Writing before the current virtual start pushes the existing data back
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.25f),
kSampleRate, olive::core::rational(0));
olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.25f, 0.25f);
// Two seconds (one written, one gap) were prepended
summary = waveform.GetSummaryFromTime(olive::core::rational(1),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.0f, 0.0f);
// The original data is still intact at its absolute position
summary = waveform.GetSummaryFromTime(olive::core::rational(2),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
// BUG: the data now spans [0, 3), but prepending via a negative TrimIn
// subtracts the negated length from length_ instead of keeping the
// absolute end time, so length() reports 1 instead of 3
EXPECT_EQ(waveform.length(), olive::core::rational(1));
}
// ---------------------------------------------------------------------------
// AudioVisualWaveform::GetSummaryFromTime
// ---------------------------------------------------------------------------
TEST(AudioVisualWaveform, GetSummaryFromTimeReturnsExactMinMaxPerChannel)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(2);
olive::core::SampleBuffer buffer(
MakeParams(olive::core::kChannelLayoutStereo), size_t(kSampleRate));
float *left = buffer.data(0);
float *right = buffer.data(1);
for (size_t i = 0; i < buffer.sample_count(); i++) {
left[i] = 0.5f;
right[i] = -0.25f;
}
waveform.OverwriteSamples(buffer, kSampleRate, olive::core::rational(0));
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 2);
ExpectSummary(summary, 0, 0.5f, 0.5f);
ExpectSummary(summary, 1, -0.25f, -0.25f);
}
TEST(AudioVisualWaveform, GetSummaryFromTimeResolvesDistinctRanges)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
// One second of 0.25 followed by one second of 0.75
waveform.OverwriteSamples(MakeSplitMonoBuffer(0.25f, 0.75f), kSampleRate,
olive::core::rational(0));
ASSERT_EQ(waveform.length(), olive::core::rational(2));
olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.25f, 0.25f);
summary = waveform.GetSummaryFromTime(olive::core::rational(1),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
// A range covering both seconds merges their extremes
summary = waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(2));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.25f, 0.75f);
}
TEST(AudioVisualWaveform, GetSummaryFromTimeHandlesSurroundChannels)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(6);
olive::core::SampleBuffer buffer(
MakeParams(olive::core::kChannelLayout5Point1), size_t(kSampleRate));
for (int ch = 0; ch < buffer.channel_count(); ch++) {
float *data = buffer.data(ch);
for (size_t i = 0; i < buffer.sample_count(); i++) {
data[i] = 0.1f * float(ch + 1);
}
}
waveform.OverwriteSamples(buffer, kSampleRate, olive::core::rational(0));
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 6);
for (size_t ch = 0; ch < 6; ch++) {
const float expected = 0.1f * float(ch + 1);
ExpectSummary(summary, ch, expected, expected);
}
}
TEST(AudioVisualWaveform, GetSummaryFromTimeOnEmptyWaveformReturnsNullSamples)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(2);
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
// No data written: one zeroed entry per channel
ASSERT_EQ(summary.size(), 2);
ExpectSummary(summary, 0, 0.0f, 0.0f);
ExpectSummary(summary, 1, 0.0f, 0.0f);
}
TEST(AudioVisualWaveform,
GetSummaryFromTimeShorterThanOneSampleReturnsNullSamples)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.5f),
kSampleRate, olive::core::rational(0));
// Shorter than a single frame even at the highest mipmap rate (1024 Hz),
// so the request quantizes down to zero frames
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1, 100000));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.0f, 0.0f);
}
// ---------------------------------------------------------------------------
// AudioVisualWaveform::OverwriteSums
// ---------------------------------------------------------------------------
TEST(AudioVisualWaveform, OverwriteSumsCopiesEntireWaveform)
{
olive::AudioVisualWaveform source;
source.set_channel_count(1);
source.OverwriteSamples(MakeSplitMonoBuffer(0.25f, 0.75f), kSampleRate,
olive::core::rational(0));
olive::AudioVisualWaveform dest;
dest.set_channel_count(1);
dest.OverwriteSums(source, olive::core::rational(0));
EXPECT_EQ(dest.length(), olive::core::rational(2));
olive::AudioVisualWaveform::Sample summary =
dest.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.25f, 0.25f);
summary = dest.GetSummaryFromTime(olive::core::rational(1),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
}
TEST(AudioVisualWaveform, OverwriteSumsAtDestinationOffset)
{
olive::AudioVisualWaveform source;
source.set_channel_count(1);
source.OverwriteSamples(MakeSplitMonoBuffer(0.25f, 0.75f), kSampleRate,
olive::core::rational(0));
olive::AudioVisualWaveform dest;
dest.set_channel_count(1);
dest.OverwriteSums(source, olive::core::rational(1));
EXPECT_EQ(dest.length(), olive::core::rational(3));
// The copied data lands one second later; because the destination's
// virtual start moved to the destination offset, only [1, 3) can be
// queried safely
olive::AudioVisualWaveform::Sample summary =
dest.GetSummaryFromTime(olive::core::rational(1),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.25f, 0.25f);
summary = dest.GetSummaryFromTime(olive::core::rational(2),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
}
TEST(AudioVisualWaveform, OverwriteSumsWithSourceOffset)
{
olive::AudioVisualWaveform source;
source.set_channel_count(1);
source.OverwriteSamples(MakeSplitMonoBuffer(0.25f, 0.75f), kSampleRate,
olive::core::rational(0));
olive::AudioVisualWaveform dest;
dest.set_channel_count(1);
dest.OverwriteSums(source, olive::core::rational(0),
olive::core::rational(1));
// Only the source's second second is copied
EXPECT_EQ(dest.length(), olive::core::rational(1));
const olive::AudioVisualWaveform::Sample summary =
dest.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
}
TEST(AudioVisualWaveform, OverwriteSumsWithLengthLimit)
{
olive::AudioVisualWaveform source;
source.set_channel_count(1);
source.OverwriteSamples(MakeSplitMonoBuffer(0.25f, 0.75f), kSampleRate,
olive::core::rational(0));
olive::AudioVisualWaveform dest;
dest.set_channel_count(1);
dest.OverwriteSums(source, olive::core::rational(0),
olive::core::rational(0), olive::core::rational(1));
// Only the source's first second is copied
EXPECT_EQ(dest.length(), olive::core::rational(1));
const olive::AudioVisualWaveform::Sample summary =
dest.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.25f, 0.25f);
}
TEST(AudioVisualWaveform, OverwriteSumsWithOffsetBeyondSourceIsIgnored)
{
olive::AudioVisualWaveform source;
source.set_channel_count(1);
source.OverwriteSamples(MakeSplitMonoBuffer(0.25f, 0.75f), kSampleRate,
olive::core::rational(0));
olive::AudioVisualWaveform dest;
dest.set_channel_count(1);
dest.OverwriteSums(source, olive::core::rational(0),
olive::core::rational(10));
// The offset starts past the end of every source mipmap, so nothing is
// copied and the destination stays empty
EXPECT_EQ(dest.length(), olive::core::rational(0));
const olive::AudioVisualWaveform::Sample summary =
dest.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.0f, 0.0f);
}
// ---------------------------------------------------------------------------
// AudioVisualWaveform::OverwriteSilence
// ---------------------------------------------------------------------------
TEST(AudioVisualWaveform, OverwriteSilenceZeroesRange)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(2);
waveform.OverwriteSamples(
MakeConstantBuffer(MakeParams(olive::core::kChannelLayoutStereo),
size_t(kSampleRate * 2), 0.8f),
kSampleRate, olive::core::rational(0));
// Silence [0.5, 1.5)
waveform.OverwriteSilence(olive::core::rational(1, 2),
olive::core::rational(1));
olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1, 2));
ASSERT_EQ(summary.size(), 2);
ExpectSummary(summary, 0, 0.8f, 0.8f);
ExpectSummary(summary, 1, 0.8f, 0.8f);
summary = waveform.GetSummaryFromTime(olive::core::rational(1, 2),
olive::core::rational(1, 2));
ASSERT_EQ(summary.size(), 2);
ExpectSummary(summary, 0, 0.0f, 0.0f);
ExpectSummary(summary, 1, 0.0f, 0.0f);
summary = waveform.GetSummaryFromTime(olive::core::rational(3, 2),
olive::core::rational(1, 2));
ASSERT_EQ(summary.size(), 2);
ExpectSummary(summary, 0, 0.8f, 0.8f);
ExpectSummary(summary, 1, 0.8f, 0.8f);
}
TEST(AudioVisualWaveform, OverwriteSilenceExtendsLength)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.5f),
kSampleRate, olive::core::rational(0));
ASSERT_EQ(waveform.length(), olive::core::rational(1));
// Silencing past the end grows the buffer with zeros
waveform.OverwriteSilence(olive::core::rational(2),
olive::core::rational(1));
EXPECT_EQ(waveform.length(), olive::core::rational(3));
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(2),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.0f, 0.0f);
}
// ---------------------------------------------------------------------------
// AudioVisualWaveform::Mid / Resize / TrimIn
// ---------------------------------------------------------------------------
TEST(AudioVisualWaveform, MidFromOffsetReturnsTail)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeSplitMonoBuffer(0.25f, 0.75f), kSampleRate,
olive::core::rational(0));
const olive::AudioVisualWaveform mid =
waveform.Mid(olive::core::rational(1));
EXPECT_EQ(mid.length(), olive::core::rational(1));
EXPECT_EQ(mid.channel_count(), 1);
// The original is untouched
EXPECT_EQ(waveform.length(), olive::core::rational(2));
const olive::AudioVisualWaveform::Sample summary =
mid.GetSummaryFromTime(olive::core::rational(1),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.75f, 0.75f);
}
TEST(AudioVisualWaveform, ResizeExtendPadsWithZeros)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.5f),
kSampleRate, olive::core::rational(0));
waveform.Resize(olive::core::rational(3));
EXPECT_EQ(waveform.length(), olive::core::rational(3));
olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.5f, 0.5f);
// The extended region is zero-filled
summary = waveform.GetSummaryFromTime(olive::core::rational(2),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.0f, 0.0f);
}
TEST(AudioVisualWaveform, TrimInZeroIsNoOp)
{
olive::AudioVisualWaveform waveform;
waveform.set_channel_count(1);
waveform.OverwriteSamples(MakeMonoConstant(size_t(kSampleRate), 0.5f),
kSampleRate, olive::core::rational(0));
waveform.TrimIn(olive::core::rational(0));
EXPECT_EQ(waveform.length(), olive::core::rational(1));
const olive::AudioVisualWaveform::Sample summary =
waveform.GetSummaryFromTime(olive::core::rational(0),
olive::core::rational(1));
ASSERT_EQ(summary.size(), 1);
ExpectSummary(summary, 0, 0.5f, 0.5f);
}
// ---------------------------------------------------------------------------
// AudioVisualWaveform::SumSamples / ReSumSamples
// ---------------------------------------------------------------------------
TEST(AudioVisualWaveform, SumSamplesHonorsStartOffsetAndChannels)
{
olive::core::SampleBuffer buffer(
MakeParams(olive::core::kChannelLayoutStereo), size_t(100));
float *left = buffer.data(0);
float *right = buffer.data(1);
for (size_t i = 0; i < buffer.sample_count(); i++) {
left[i] = float(i) / 100.0f;
right[i] = -float(i) / 100.0f;
}
// Summarize samples [10, 30) only
const olive::AudioVisualWaveform::Sample summary =
olive::AudioVisualWaveform::SumSamples(buffer, 10, 20);
ASSERT_EQ(summary.size(), 2);
// SumSamples (unlike ReSumSamples) reports the true extremes of the range
EXPECT_FLOAT_EQ(summary.at(0).min, float(10) / 100.0f);
EXPECT_FLOAT_EQ(summary.at(0).max, float(29) / 100.0f);
EXPECT_FLOAT_EQ(summary.at(1).min, -float(29) / 100.0f);
EXPECT_FLOAT_EQ(summary.at(1).max, -float(10) / 100.0f);
}
TEST(AudioVisualWaveform, ReSumSamplesMergesExtremesAcrossFrames)
{
std::vector<olive::AudioVisualWaveform::SamplePerChannel> frames(4);
frames[0] = { -0.2f, 0.3f }; // channel 0, narrow range
frames[1] = { 0.0f, 0.1f }; // channel 1
frames[2] = { -0.9f, 0.1f }; // channel 0, wider minimum
frames[3] = { 0.05f, 0.08f }; // channel 1
const olive::AudioVisualWaveform::Sample summary =
olive::AudioVisualWaveform::ReSumSamples(frames.data(), 4, 2);
ASSERT_EQ(summary.size(), 2);
ExpectSummary(summary, 0, -0.9f, 0.3f);
ExpectSummary(summary, 1, 0.0f, 0.1f);
}
TEST(AudioVisualWaveform, ReSumSamplesSingleFrameIsIdentity)
{
std::vector<olive::AudioVisualWaveform::SamplePerChannel> frames(2);
frames[0] = { -0.3f, 0.7f };
frames[1] = { -0.1f, 0.2f };
const olive::AudioVisualWaveform::Sample summary =
olive::AudioVisualWaveform::ReSumSamples(frames.data(), 2, 2);
ASSERT_EQ(summary.size(), 2);
ExpectSummary(summary, 0, -0.3f, 0.7f);
ExpectSummary(summary, 1, -0.1f, 0.2f);
}
// ---------------------------------------------------------------------------
// AudioVisualWaveform::DrawSample
// ---------------------------------------------------------------------------
TEST(AudioVisualWaveform, DrawSamplePaintsVerticalSpan)
{
QImage image(4, 100, QImage::Format_ARGB32);
image.fill(Qt::transparent);
{
QPainter painter(&image);
const olive::AudioVisualWaveform::Sample sample = { { -1.0f, 1.0f } };
olive::AudioVisualWaveform::DrawSample(&painter, sample, 1, 0, 100,
false);
}
// A full-scale sample spans the whole column
EXPECT_GT(image.pixelColor(1, 10).alpha(), 0);
EXPECT_GT(image.pixelColor(1, 90).alpha(), 0);
}
TEST(AudioVisualWaveform, DrawSampleIgnoresEmptySample)
{
QImage image(4, 100, QImage::Format_ARGB32);
image.fill(Qt::transparent);
{
QPainter painter(&image);
olive::AudioVisualWaveform::DrawSample(
&painter, olive::AudioVisualWaveform::Sample(), 1, 0, 100, false);
}
EXPECT_EQ(image.pixelColor(1, 10).alpha(), 0);
}
// ---------------------------------------------------------------------------
// AudioProcessor
// ---------------------------------------------------------------------------
TEST(AudioProcessor, ConvertPassthroughCopiesInputSamples)
{
olive::AudioProcessor processor;
const olive::core::AudioParams params =
MakeParams(olive::core::kChannelLayoutStereo);
ASSERT_TRUE(processor.Open(params, params, 1.0));
constexpr int kSamples = 1024;
std::vector<float> left(kSamples, 0.5f);
std::vector<float> right(kSamples, -0.25f);
float *input[2] = { left.data(), right.data() };
olive::AudioProcessor::Buffer output;
EXPECT_EQ(processor.Convert(input, kSamples, &output), 0);
// Planar output keeps one byte plane per channel
ASSERT_EQ(output.size(), 2);
ASSERT_EQ(output.at(0).size(), kSamples * int(sizeof(float)));
ASSERT_EQ(output.at(1).size(), kSamples * int(sizeof(float)));
float value = 0.0f;
std::memcpy(&value, output.at(0).constData(), sizeof(float));
EXPECT_FLOAT_EQ(value, 0.5f);
std::memcpy(&value,
output.at(0).constData() + (kSamples - 1) * sizeof(float),
sizeof(float));
EXPECT_FLOAT_EQ(value, 0.5f);
std::memcpy(&value, output.at(1).constData(), sizeof(float));
EXPECT_FLOAT_EQ(value, -0.25f);
}
TEST(AudioProcessor, ConvertToPackedInterleavesChannels)
{
olive::AudioProcessor processor;
const olive::core::AudioParams from =
MakeParams(olive::core::kChannelLayoutStereo);
const olive::core::AudioParams to(kSampleRate,
olive::core::kChannelLayoutStereo,
olive::core::SampleFormat::F32);
ASSERT_TRUE(processor.Open(from, to, 1.0));
constexpr int kSamples = 1024;
std::vector<float> left(kSamples, 0.5f);
std::vector<float> right(kSamples, -0.25f);
float *input[2] = { left.data(), right.data() };
olive::AudioProcessor::Buffer output;
EXPECT_EQ(processor.Convert(input, kSamples, &output), 0);
// Packed output folds both channels into a single interleaved plane
ASSERT_EQ(output.size(), 1);
ASSERT_EQ(output.at(0).size(), kSamples * 2 * int(sizeof(float)));
float left_value = 0.0f;
float right_value = 0.0f;
std::memcpy(&left_value, output.at(0).constData(), sizeof(float));
std::memcpy(&right_value, output.at(0).constData() + sizeof(float),
sizeof(float));
EXPECT_FLOAT_EQ(left_value, 0.5f);
EXPECT_FLOAT_EQ(right_value, -0.25f);
}
TEST(AudioProcessor, ConvertDownmixToMonoReducesPlaneCount)
{
olive::AudioProcessor processor;
ASSERT_TRUE(processor.Open(MakeParams(olive::core::kChannelLayoutStereo),
MakeParams(olive::core::kChannelLayoutMono),
1.0));
constexpr int kSamples = 1024;
std::vector<float> left(kSamples, 0.5f);
std::vector<float> right(kSamples, 0.5f);
float *input[2] = { left.data(), right.data() };
olive::AudioProcessor::Buffer output;
EXPECT_EQ(processor.Convert(input, kSamples, &output), 0);
ASSERT_EQ(output.size(), 1);
ASSERT_EQ(output.at(0).size(), kSamples * int(sizeof(float)));
// The downmix of two identical channels must stay audible regardless of
// the exact mixing coefficients
float value = 0.0f;
std::memcpy(&value, output.at(0).constData(), sizeof(float));
EXPECT_GT(value, 0.0f);
EXPECT_LE(value, 1.0f);
}
TEST(AudioProcessor, ConvertResampleDrainProducesExpectedSampleCount)
{
olive::AudioProcessor processor;
const olive::core::AudioParams from =
MakeParams(olive::core::kChannelLayoutStereo);
const olive::core::AudioParams to(kSampleRate / 2,
olive::core::kChannelLayoutStereo,
olive::core::SampleFormat::F32P);
ASSERT_TRUE(processor.Open(from, to, 1.0));
// One second of input
constexpr int kSamples = 48000;
std::vector<float> left(kSamples, 0.5f);
std::vector<float> right(kSamples, 0.5f);
float *input[2] = { left.data(), right.data() };
const olive::AudioProcessor::Buffer output =
ConvertAndDrain(processor, input, kSamples);
ASSERT_EQ(output.size(), 2);
EXPECT_EQ(output.at(0).size(), output.at(1).size());
// 48 kHz downsampled to 24 kHz must produce about half the samples; the
// resampler's filter delay makes the exact total version-dependent
const int converted = output.at(0).size() / int(sizeof(float));
EXPECT_GE(converted, 23000);
EXPECT_LE(converted, 24500);
}
TEST(AudioProcessor, ConvertTempoDrainReducesSampleCount)
{
olive::AudioProcessor processor;
const olive::core::AudioParams params =
MakeParams(olive::core::kChannelLayoutStereo);
ASSERT_TRUE(processor.Open(params, params, 2.0));
// One second of input
constexpr int kSamples = 48000;
std::vector<float> left(kSamples, 0.5f);
std::vector<float> right(kSamples, 0.5f);
float *input[2] = { left.data(), right.data() };
const olive::AudioProcessor::Buffer output =
ConvertAndDrain(processor, input, kSamples);
ASSERT_EQ(output.size(), 2);
// 2x tempo must output roughly half the input; atempo works in windows,
// so allow generous margins
const int converted = output.at(0).size() / int(sizeof(float));
EXPECT_GE(converted, 20000);
EXPECT_LE(converted, 28000);
}
TEST(AudioProcessor, ConvertWithNullOutputOnlyPushes)
{
olive::AudioProcessor processor;
const olive::core::AudioParams params =
MakeParams(olive::core::kChannelLayoutStereo);
ASSERT_TRUE(processor.Open(params, params, 1.0));
constexpr int kSamples = 1024;
std::vector<float> left(kSamples, 0.5f);
std::vector<float> right(kSamples, 0.5f);
float *input[2] = { left.data(), right.data() };
// A null output buffer means push-only and is not an error
EXPECT_EQ(processor.Convert(input, kSamples, nullptr), 0);
}
TEST(AudioProcessor, ConvertWithNoInputReturnsZeroWithEmptyPlanes)
{
olive::AudioProcessor processor;
const olive::core::AudioParams params =
MakeParams(olive::core::kChannelLayoutStereo);
ASSERT_TRUE(processor.Open(params, params, 1.0));
olive::AudioProcessor::Buffer output;
EXPECT_EQ(processor.Convert(nullptr, 0, &output), 0);
// The output is still sized to the planar channel count, but empty
ASSERT_EQ(output.size(), 2);
EXPECT_TRUE(output.at(0).isEmpty());
EXPECT_TRUE(output.at(1).isEmpty());
}
TEST(AudioProcessor, OpenFixesZeroChannelLayout)
{
olive::AudioProcessor processor;
// A zero layout mask is unusable by the filter graph and must be replaced
// with a default layout derived from the channel count
const olive::core::AudioParams from(kSampleRate, 0,
olive::core::SampleFormat::F32P);
const olive::core::AudioParams to =
MakeParams(olive::core::kChannelLayoutStereo);
ASSERT_TRUE(processor.Open(from, to, 1.0));
EXPECT_NE(processor.from().channel_layout(), uint64_t(0));
EXPECT_EQ(processor.from().channel_count(), 2);
}
TEST(AudioProcessor, CloseIsIdempotentAndReopenSucceeds)
{
olive::AudioProcessor processor;
const olive::core::AudioParams params =
MakeParams(olive::core::kChannelLayoutStereo);
// Closing an unopened processor must be safe
processor.Close();
EXPECT_FALSE(processor.IsOpen());
ASSERT_TRUE(processor.Open(params, params, 1.0));
processor.Close();
processor.Close();
EXPECT_FALSE(processor.IsOpen());
EXPECT_TRUE(processor.Open(params, params, 1.0));
EXPECT_TRUE(processor.IsOpen());
}
TEST(AudioProcessor, FlushWithoutOpenDoesNotCrash)
{
olive::AudioProcessor processor;
// Logs an error but must not crash
processor.Flush();
EXPECT_FALSE(processor.IsOpen());
}