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#include <memory>
#include "../src/core/const.h"
#include "../src/core/wave.h"
#include "../src/core/waveFx.h"
#include <catch.hpp>
using std::string;
using namespace giada::m;
TEST_CASE("waveFx")
{
static const int SAMPLE_RATE = 44100;
static const int BUFFER_SIZE = 4000;
static const int BIT_DEPTH = 32;
Wave waveMono;
Wave waveStereo;
waveMono.alloc(BUFFER_SIZE, 1, SAMPLE_RATE, BIT_DEPTH, "path/to/sample.wav");
waveStereo.alloc(BUFFER_SIZE, 2, SAMPLE_RATE, BIT_DEPTH, "path/to/sample.wav");
SECTION("test mono->stereo conversion")
{
int prevSize = waveMono.getSize();
REQUIRE(wfx::monoToStereo(waveMono) == G_RES_OK);
REQUIRE(waveMono.getSize() == prevSize); // size does not change, channels do
REQUIRE(waveMono.getChannels() == 2);
SECTION("test mono->stereo conversion for already stereo wave")
{
/* Should do nothing. */
int prevSize = waveStereo.getSize();
REQUIRE(wfx::monoToStereo(waveStereo) == G_RES_OK);
REQUIRE(waveStereo.getSize() == prevSize);
REQUIRE(waveStereo.getChannels() == 2);
}
}
SECTION("test silence")
{
int a = 20;
int b = 57;
wfx::silence(waveStereo, a, b);
for (int i=a; i<b; i++)
for (int k=0; k<waveStereo.getChannels(); k++)
REQUIRE(waveStereo[i][k] == 0.0f);
SECTION("test silence (mono)")
{
wfx::silence(waveMono, a, b);
for (int i=a; i<b; i++)
for (int k=0; k<waveMono.getChannels(); k++)
REQUIRE(waveMono[i][k] == 0.0f);
}
}
SECTION("test cut")
{
int a = 47;
int b = 210;
int range = b - a;
int prevSize = waveStereo.getSize();
REQUIRE(wfx::cut(waveStereo, a, b) == G_RES_OK);
REQUIRE(waveStereo.getSize() == prevSize - range);
SECTION("test cut (mono)")
{
prevSize = waveMono.getSize();
REQUIRE(wfx::cut(waveMono, a, b) == G_RES_OK);
REQUIRE(waveMono.getSize() == prevSize - range);
}
}
SECTION("test trim")
{
int a = 47;
int b = 210;
int area = b - a;
REQUIRE(wfx::trim(waveStereo, a, b) == G_RES_OK);
REQUIRE(waveStereo.getSize() == area);
SECTION("test trim (mono)")
{
REQUIRE(wfx::trim(waveMono, a, b) == G_RES_OK);
REQUIRE(waveMono.getSize() == area);
}
}
SECTION("test fade")
{
int a = 47;
int b = 500;
wfx::fade(waveStereo, a, b, wfx::FADE_IN);
wfx::fade(waveStereo, a, b, wfx::FADE_OUT);
REQUIRE(waveStereo.getFrame(a)[0] == 0.0f);
REQUIRE(waveStereo.getFrame(a)[1] == 0.0f);
REQUIRE(waveStereo.getFrame(b)[0] == 0.0f);
REQUIRE(waveStereo.getFrame(b)[1] == 0.0f);
SECTION("test fade (mono)")
{
wfx::fade(waveMono, a, b, wfx::FADE_IN);
wfx::fade(waveMono, a, b, wfx::FADE_OUT);
REQUIRE(waveMono.getFrame(a)[0] == 0.0f);
REQUIRE(waveMono.getFrame(b)[0] == 0.0f);
}
}
SECTION("test smooth")
{
int a = 11;
int b = 79;
wfx::smooth(waveStereo, a, b);
REQUIRE(waveStereo.getFrame(a)[0] == 0.0f);
REQUIRE(waveStereo.getFrame(a)[1] == 0.0f);
REQUIRE(waveStereo.getFrame(b)[0] == 0.0f);
REQUIRE(waveStereo.getFrame(b)[1] == 0.0f);
SECTION("test smooth (mono)")
{
wfx::smooth(waveMono, a, b);
REQUIRE(waveMono.getFrame(a)[0] == 0.0f);
REQUIRE(waveMono.getFrame(b)[0] == 0.0f);
}
}
}
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