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// Copyright (c) 2012-2017 VideoStitch SAS
// Copyright (c) 2018 stitchEm
#include "gpu/testing.hpp"
#include "libvideostitch/parse.hpp"
#include "libvideostitch/panoDef.hpp"
#include "exposure/metadataProcessor.hpp"
namespace VideoStitch {
namespace Testing {
static const int NUM_INPUTS{4};
std::unique_ptr<Core::PanoDefinition> getTestPanoDef() {
Potential<Ptv::Parser> parser(Ptv::Parser::create());
if (!parser->parseData("{"
" \"width\": 513, "
" \"height\": 315, "
" \"hfov\": 90.0, "
" \"proj\": \"rectilinear\", "
" \"inputs\": [ "
" { "
" \"width\": 17, "
" \"height\": 13, "
" \"hfov\": 90.0, "
" \"yaw\": 0.0, "
" \"pitch\": 0.0, "
" \"roll\": 0.0, "
" \"proj\": \"rectilinear\", "
" \"viewpoint_model\": \"ptgui\", "
" \"response\": \"linear\", "
" \"filename\": \"\" "
" }, "
" { "
" \"width\": 17, "
" \"height\": 13, "
" \"hfov\": 90.0, "
" \"yaw\": 0.0, "
" \"pitch\": 0.0, "
" \"roll\": 0.0, "
" \"proj\": \"rectilinear\", "
" \"viewpoint_model\": \"ptgui\", "
" \"response\": \"linear\", "
" \"filename\": \"\" "
" }, "
" { "
" \"width\": 17, "
" \"height\": 13, "
" \"hfov\": 90.0, "
" \"yaw\": 0.0, "
" \"pitch\": 0.0, "
" \"roll\": 0.0, "
" \"proj\": \"rectilinear\", "
" \"viewpoint_model\": \"ptgui\", "
" \"response\": \"linear\", "
" \"filename\": \"\" "
" }, "
" { "
" \"width\": 17, "
" \"height\": 13, "
" \"hfov\": 90.0, "
" \"yaw\": 0.0, "
" \"pitch\": 0.0, "
" \"roll\": 0.0, "
" \"proj\": \"rectilinear\", "
" \"viewpoint_model\": \"ptgui\", "
" \"response\": \"linear\", "
" \"filename\": \"\" "
" } "
" ]"
"}")) {
std::cerr << parser->getErrorMessage() << std::endl;
ENSURE(false, "could not parse");
return NULL;
}
std::unique_ptr<Core::PanoDefinition> panoDef(Core::PanoDefinition::create(parser->getRoot()));
ENSURE((bool)panoDef);
return panoDef;
}
const std::array<uint16_t, 256>& getLinearToneCurve() {
static std::array<uint16_t, 256> linear = []() -> std::array<uint16_t, 256> {
std::array<uint16_t, 256> values;
for (uint16_t i = 0; i < 256; i++) {
values[i] = i;
}
return values;
}();
return linear;
}
// a linear metadata uint16_t tone curve applied on top the Orah 4i camera response
const std::array<uint16_t, 256>& getOrahLinearCurve() {
static std::array<uint16_t, 256> values = {
{0, 4, 7, 11, 15, 18, 21, 25, 28, 31, 35, 38, 41, 44, 47, 50, 53, 56, 58, 61, 64, 66,
69, 72, 74, 77, 79, 82, 84, 86, 89, 91, 93, 95, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116,
118, 120, 121, 123, 125, 127, 128, 130, 132, 133, 135, 137, 138, 140, 141, 143, 144, 146, 147, 149, 150, 152,
153, 154, 156, 157, 158, 160, 161, 162, 163, 164, 166, 167, 168, 169, 170, 171, 173, 174, 175, 176, 177, 178,
179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 188, 189, 190, 191, 192, 193, 194, 194, 195, 196, 197, 198,
198, 199, 200, 201, 202, 202, 203, 204, 204, 205, 206, 206, 207, 208, 208, 209, 210, 210, 211, 212, 212, 213,
213, 214, 215, 215, 216, 216, 217, 218, 218, 219, 219, 220, 220, 221, 221, 222, 222, 223, 223, 224, 224, 225,
225, 226, 226, 227, 227, 227, 228, 228, 229, 229, 230, 230, 230, 231, 231, 232, 232, 232, 233, 233, 234, 234,
234, 235, 235, 236, 236, 236, 237, 237, 237, 238, 238, 238, 239, 239, 239, 240, 240, 240, 241, 241, 241, 241,
242, 242, 242, 243, 243, 243, 244, 244, 244, 244, 245, 245, 245, 245, 246, 246, 246, 246, 247, 247, 247, 247,
248, 248, 248, 248, 249, 249, 249, 249, 250, 250, 250, 250, 250, 251, 251, 251, 251, 252, 252, 252, 252, 252,
253, 253, 253, 253, 253, 254, 254, 254, 254, 254, 254, 255, 255, 255}};
return values;
}
std::array<uint16_t, 256> getGammaToneCurve(double gamma) {
std::array<uint16_t, 256> values;
for (uint16_t i = 0; i < 256; i++) {
values[i] = static_cast<uint16_t>(round(pow(i / 255.f, gamma) * 255.f));
}
return values;
}
// a gamma metadata uint16_t tone curve applied on top the Orah 4i camera response
template <int gamma10>
std::array<uint16_t, 256>& getOrahGammaToneCurve();
template <>
std::array<uint16_t, 256>& getOrahGammaToneCurve<12>() {
// libvideostitch has Orah 4i curve as float values
// curve = np.array([ ... values from Gamma.gma.mpg ...]) / 1023 * 255
//
// The gamma 1.2 metadata tone curve is passed in uint16_t values --> round
// gamma_1_2_u16 = np.rint((np.arange(256) / 255.) ** 1.2 * 255)
// Result should be interpolated properly, then rounded to uint16_t again
// values = np.round(np.interp(curve, np.arange(256), gamma_1_2_u16))
static std::array<uint16_t, 256> values = {
{0, 2, 3, 6, 9, 11, 13, 16, 18, 20, 24, 26, 28, 31, 34, 36, 39, 41, 43, 46, 49, 50,
53, 56, 58, 61, 62, 65, 67, 69, 72, 74, 76, 78, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99,
101, 103, 104, 106, 108, 110, 112, 114, 116, 117, 119, 121, 122, 124, 125, 127, 129, 131, 132, 134, 135, 137,
138, 139, 141, 142, 144, 146, 147, 148, 149, 150, 152, 153, 155, 156, 157, 158, 160, 161, 162, 163, 165, 166,
167, 168, 169, 170, 171, 172, 173, 174, 176, 177, 177, 178, 179, 180, 181, 183, 184, 184, 185, 186, 187, 188,
188, 190, 191, 192, 193, 193, 194, 195, 195, 196, 197, 198, 199, 200, 200, 201, 202, 202, 203, 204, 204, 205,
206, 207, 208, 208, 209, 209, 210, 211, 211, 212, 212, 213, 214, 215, 215, 216, 216, 217, 217, 218, 218, 219,
219, 220, 221, 222, 222, 222, 223, 223, 224, 224, 225, 225, 225, 226, 227, 227, 228, 228, 229, 229, 230, 230,
230, 231, 231, 232, 232, 232, 233, 234, 234, 235, 235, 235, 236, 236, 236, 237, 237, 237, 238, 238, 238, 238,
239, 239, 240, 240, 241, 241, 242, 242, 242, 242, 243, 243, 243, 243, 244, 244, 244, 244, 245, 245, 245, 246,
246, 247, 247, 247, 248, 248, 248, 248, 249, 249, 249, 249, 249, 250, 250, 250, 250, 251, 251, 251, 251, 252,
252, 253, 253, 253, 253, 254, 254, 254, 254, 254, 254, 255, 255, 255}};
return values;
}
template <>
std::array<uint16_t, 256>& getOrahGammaToneCurve<15>() {
// as getOrahGammaToneCurve<12>(), but with ** 1.5
static std::array<uint16_t, 256> values = {
{0, 1, 1, 2, 4, 5, 6, 8, 9, 11, 13, 15, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34,
36, 38, 40, 42, 44, 46, 48, 50, 53, 54, 56, 58, 61, 63, 65, 66, 68, 70, 72, 74, 76, 78,
80, 82, 83, 85, 88, 90, 91, 93, 95, 96, 98, 100, 102, 104, 105, 107, 108, 110, 112, 114, 115, 117,
119, 120, 122, 123, 124, 127, 128, 129, 130, 132, 134, 135, 136, 138, 139, 140, 142, 143, 145, 146, 147, 149,
150, 151, 152, 154, 155, 156, 158, 159, 160, 161, 162, 163, 164, 165, 167, 168, 169, 170, 171, 172, 173, 174,
175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 188, 189, 191, 191, 192, 193, 194, 195,
195, 196, 197, 198, 199, 199, 200, 201, 202, 203, 203, 204, 204, 205, 206, 207, 208, 209, 209, 210, 210, 211,
211, 212, 213, 214, 214, 215, 216, 216, 217, 217, 218, 218, 219, 220, 220, 221, 221, 222, 223, 223, 224, 224,
225, 226, 226, 227, 227, 227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233, 233, 234, 234, 234, 235,
236, 236, 236, 237, 237, 237, 238, 239, 239, 239, 240, 240, 240, 241, 241, 242, 242, 242, 243, 243, 243, 244,
244, 245, 245, 245, 246, 246, 246, 247, 247, 248, 248, 248, 248, 249, 249, 249, 250, 250, 250, 251, 251, 251,
252, 252, 252, 252, 253, 253, 253, 254, 254, 254, 254, 255, 255, 255}};
return values;
}
template <>
std::array<uint16_t, 256>& getOrahGammaToneCurve<9>() {
// as getOrahGammaToneCurve<12>(), but with ** 0.9
static std::array<uint16_t, 256> values = {
{0, 6, 10, 15, 20, 23, 27, 32, 35, 38, 43, 46, 49, 52, 56, 59, 62, 65, 67, 70, 73, 76,
79, 82, 84, 87, 89, 92, 94, 96, 99, 101, 103, 105, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126,
127, 129, 130, 132, 134, 136, 137, 139, 141, 142, 144, 146, 147, 149, 150, 152, 152, 154, 155, 157, 158, 160,
161, 162, 164, 165, 166, 168, 169, 170, 170, 171, 173, 174, 175, 176, 177, 178, 180, 181, 182, 183, 184, 185,
185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 194, 195, 196, 197, 198, 198, 199, 199, 200, 201, 202, 203,
203, 204, 205, 206, 207, 207, 208, 209, 209, 210, 210, 210, 211, 212, 212, 213, 214, 214, 215, 216, 216, 217,
217, 218, 219, 219, 220, 220, 221, 221, 221, 222, 222, 223, 223, 224, 224, 225, 225, 226, 226, 227, 227, 228,
228, 229, 229, 230, 230, 230, 231, 231, 231, 231, 232, 232, 232, 233, 233, 234, 234, 234, 235, 235, 236, 236,
236, 237, 237, 238, 238, 238, 239, 239, 239, 240, 240, 240, 241, 241, 241, 241, 241, 241, 242, 242, 242, 242,
243, 243, 243, 244, 244, 244, 245, 245, 245, 245, 246, 246, 246, 246, 247, 247, 247, 247, 248, 248, 248, 248,
249, 249, 249, 249, 250, 250, 250, 250, 250, 250, 250, 250, 250, 251, 251, 251, 251, 252, 252, 252, 252, 252,
253, 253, 253, 253, 253, 254, 254, 254, 254, 254, 254, 255, 255, 255}};
return values;
}
void testAppendToneCurve() {
std::unique_ptr<Core::PanoDefinition> panoDef = getTestPanoDef();
ENSURE(panoDef->numVideoInputs() == NUM_INPUTS);
FrameRate frameRate{30, 1};
std::vector<std::pair<int, GPU::Buffer<const uint32_t>>> frames{{0, {}}};
// ensure inputs are currently linear response
for (const auto& videoInput : panoDef->getVideoInputs()) {
ENSURE(videoInput.get().getPhotoResponse() == Core::InputDefinition::PhotoResponse::LinearResponse);
}
Exposure::MetadataProcessor mp;
auto applyToneCurveToPanoAtFrame = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame,
const Input::MetadataChunk& metadata) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano(metadata, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
auto updatePanoNoNewData = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano({}, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
// ensure inputs are still linear response (tone curve arrives at frame 1000)
for (const auto& videoInput : panoDef->getVideoInputs()) {
ENSURE(videoInput.get().getPhotoResponse() == Core::InputDefinition::PhotoResponse::LinearResponse);
}
{
frameid_t toneCurveDataFrame{1000};
mtime_t toneCurveDataTime = frameRate.frameToTimestamp(toneCurveDataFrame);
Metadata::ToneCurve toneCurve{toneCurveDataTime, getLinearToneCurve()};
Input::MetadataChunk metadata;
metadata.toneCurve.push_back({{0, toneCurve}});
applyToneCurveToPanoAtFrame(999, metadata);
}
// ensure inputs are still linear response (tone curve arrives at frame 1000)
for (const auto& videoInput : panoDef->getVideoInputs()) {
ENSURE(videoInput.get().getPhotoResponse() == Core::InputDefinition::PhotoResponse::LinearResponse);
}
updatePanoNoNewData(999);
// ensure inputs are still linear response (tone curve arrives at frame 1000)
for (const auto& videoInput : panoDef->getVideoInputs()) {
ENSURE(videoInput.get().getPhotoResponse() == Core::InputDefinition::PhotoResponse::LinearResponse);
}
updatePanoNoNewData(1000);
// ensure input are now in curve response
{
videoreaderid_t videoInputID = 0;
for (const auto& videoInput : panoDef->getVideoInputs()) {
auto expectedResponse = videoInputID == 0 ? Core::InputDefinition::PhotoResponse::CurveResponse
: Core::InputDefinition::PhotoResponse::LinearResponse;
ENSURE(videoInput.get().getPhotoResponse() == expectedResponse);
videoInputID++;
}
}
ENSURE(panoDef->getVideoInput(0).getValueBasedResponseCurve() != nullptr, "Should have value based tone curve");
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahLinearCurve(),
"Tone curve was set with linear values");
}
void testAppendToneCurveMoreSensors() {
std::unique_ptr<Core::PanoDefinition> panoDef = getTestPanoDef();
FrameRate frameRate{50, 1};
std::vector<std::pair<int, GPU::Buffer<const uint32_t>>> frames{{0, {}}};
Exposure::MetadataProcessor mp;
auto applyToneCurveToPanoAtFrame = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame,
const Input::MetadataChunk& metadata) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano(metadata, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
auto updatePanoNoNewData = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano({}, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
// add tone curves for several sensors at once
{
Input::MetadataChunk metadata;
metadata.toneCurve.push_back({{0, {frameRate.frameToTimestamp(1000), getGammaToneCurve(1.2)}},
{1, {frameRate.frameToTimestamp(1001), getGammaToneCurve(1.5)}},
{2, {frameRate.frameToTimestamp(1500), getGammaToneCurve(0.9)}},
{3, {frameRate.frameToTimestamp(2000), getLinearToneCurve()}}});
applyToneCurveToPanoAtFrame(0, metadata);
}
ENSURE(panoDef->getVideoInput(0).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(1).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(2).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(3).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
updatePanoNoNewData(1000);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE(panoDef->getVideoInput(1).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(2).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(3).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
updatePanoNoNewData(1001);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE(panoDef->getVideoInput(2).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(3).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
updatePanoNoNewData(1500);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE(panoDef->getVideoInput(3).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
updatePanoNoNewData(2000);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahLinearCurve(), "Tone curve data");
updatePanoNoNewData(9999);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahLinearCurve(), "Tone curve data");
}
void testPruning() {
std::unique_ptr<Core::PanoDefinition> panoDef = getTestPanoDef();
FrameRate frameRate{1001, 1000};
std::vector<std::pair<int, GPU::Buffer<const uint32_t>>> frames{{0, {}}};
Exposure::MetadataProcessor mp;
auto applyToneCurveToPanoAtFrame = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame,
const Input::MetadataChunk& metadata) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano(metadata, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
auto updatePanoNoNewData = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano({}, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
// add tone curves for several sensors at once
{
Input::MetadataChunk metadata;
metadata.toneCurve.push_back({{0, {frameRate.frameToTimestamp(1000), getGammaToneCurve(1.2)}},
{1, {frameRate.frameToTimestamp(1000), getGammaToneCurve(1.2)}},
{2, {frameRate.frameToTimestamp(1000), getGammaToneCurve(1.2)}},
{3, {frameRate.frameToTimestamp(1000), getGammaToneCurve(1.2)}}});
applyToneCurveToPanoAtFrame(0, metadata);
}
ENSURE(panoDef->getVideoInput(0).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(1).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(2).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
ENSURE(panoDef->getVideoInput(3).getValueBasedResponseCurve() == nullptr, "Frame of tone curve not reached yet");
updatePanoNoNewData(1000);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
{
Input::MetadataChunk metadata;
metadata.toneCurve.push_back({{0, {frameRate.frameToTimestamp(2000), getGammaToneCurve(1.5)}},
{1, {frameRate.frameToTimestamp(2000), getGammaToneCurve(1.5)}},
{2, {frameRate.frameToTimestamp(2000), getGammaToneCurve(1.5)}},
{3, {frameRate.frameToTimestamp(2000), getGammaToneCurve(1.5)}}});
applyToneCurveToPanoAtFrame(1001, metadata);
}
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahGammaToneCurve<12>(), "Tone curve data");
updatePanoNoNewData(2000);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
{
Input::MetadataChunk metadata;
metadata.toneCurve.push_back({{0, {frameRate.frameToTimestamp(3000), getGammaToneCurve(0.9)}},
{1, {frameRate.frameToTimestamp(3000), getGammaToneCurve(0.9)}},
{2, {frameRate.frameToTimestamp(3000), getGammaToneCurve(0.9)}},
{3, {frameRate.frameToTimestamp(3000), getGammaToneCurve(0.9)}}});
applyToneCurveToPanoAtFrame(2500, metadata);
}
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahGammaToneCurve<15>(), "Tone curve data");
updatePanoNoNewData(3000);
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
updatePanoNoNewData(1000);
// do we drop data at some point?
//
// tests somewhat undefined behavior, may need to adapt test to implementation details
// we expect that the metadata for time 1000 has been dropped at this point
// and thus the tone curves are not updated when requesting pano def at frame 1000
// if they were still available, gamma should be 1.2
ENSURE_EQ(*panoDef->getVideoInput(0).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(1).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(2).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
ENSURE_EQ(*panoDef->getVideoInput(3).getValueBasedResponseCurve(), getOrahGammaToneCurve<9>(), "Tone curve data");
}
void benchmarkAddingData(int iterations) {
std::unique_ptr<Core::PanoDefinition> panoDef = getTestPanoDef();
FrameRate frameRate{25, 1};
std::vector<std::pair<int, GPU::Buffer<const uint32_t>>> frames{{0, {}}};
Exposure::MetadataProcessor mp;
auto applyToneCurveToPanoAtFrame = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame,
const Input::MetadataChunk& metadata) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano(metadata, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
auto updatePanoNoNewData = [&mp, &frameRate, &panoDef](frameid_t currentStitchingFrame) {
std::unique_ptr<Core::PanoDefinition> updated =
mp.createUpdatedPano({}, *panoDef, frameRate, currentStitchingFrame);
if (updated) {
panoDef.reset(updated.release());
}
};
for (int i = 0; i < iterations; i++) {
Input::MetadataChunk metadata;
metadata.toneCurve.push_back({{0, {frameRate.frameToTimestamp(i * 2), getGammaToneCurve(1.2)}},
{1, {frameRate.frameToTimestamp(i * 2), getGammaToneCurve(1.5)}},
{2, {frameRate.frameToTimestamp(i * 2), getGammaToneCurve(0.9)}},
{3, {frameRate.frameToTimestamp(i * 2), getLinearToneCurve()}}});
applyToneCurveToPanoAtFrame(i * 2, metadata);
updatePanoNoNewData(i * 2 + 1);
}
}
} // namespace Testing
} // namespace VideoStitch
int main() {
VideoStitch::Testing::initTest();
VideoStitch::Testing::testAppendToneCurve();
VideoStitch::Testing::testAppendToneCurveMoreSensors();
VideoStitch::Testing::testPruning();
VideoStitch::Testing::benchmarkAddingData(10);
return 0;
}