1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
#include "../src/core/rendering/sampleRendering.h"
#include "../src/core/channels/channel.h"
#include <catch2/catch_test_macros.hpp>
TEST_CASE("rendering::sampleRendering")
{
using namespace giada;
constexpr int BUFFER_SIZE = 1024;
constexpr int NUM_CHANNELS = 2;
// Wave values: [1..BUFFERSIZE*4]
m::Wave wave(0);
wave.getBuffer().alloc(BUFFER_SIZE * 4, NUM_CHANNELS);
wave.getBuffer().forEachFrame([](float* f, int i)
{
f[0] = static_cast<float>(i + 1);
f[1] = static_cast<float>(i + 1);
});
m::ChannelShared channelShared(0, BUFFER_SIZE);
m::Channel channel(ChannelType::SAMPLE, 1, channelShared);
channelShared.quantizer.emplace();
channelShared.renderQueue.emplace(/*size=*/16);
channelShared.resampler.emplace(Resampler::Quality::LINEAR, G_MAX_IO_CHANS);
SECTION("Test initialization")
{
REQUIRE(channel.sampleChannel->hasWave(0) == false);
}
SECTION("Test rendering")
{
channel.loadSample({&wave, {}}, /*scene=*/0);
REQUIRE(channel.sampleChannel->hasWave(0) == true);
REQUIRE(channel.sampleChannel->getRange(0).a == 0);
REQUIRE(channel.sampleChannel->getRange(0).b == wave.getBuffer().countFrames());
REQUIRE(channelShared.tracker.load() == 0);
REQUIRE(channelShared.playStatus.load() == ChannelStatus::OFF);
for (const float pitch : {1.0f, 0.5f})
{
channel.sampleChannel->setPitch(pitch, /*scene=*/0);
SECTION("Sub-range [M, N), pitch == " + std::to_string(pitch))
{
constexpr int RANGE_BEGIN = 16;
constexpr int RANGE_END = 48;
channel.sampleChannel->setRange({RANGE_BEGIN, RANGE_END}, /*scene=*/0);
channelShared.renderQueue->enqueue({m::rendering::RenderInfo::Mode::NORMAL, 0});
m::rendering::renderSampleChannel(channel, /*scene=*/0, /*seqIsRunning=*/false);
int numFramesWritten = 0;
channelShared.audioBuffer.forEachFrame([&numFramesWritten](float* f, int)
{
if (f[0] != 0.0)
numFramesWritten++;
});
REQUIRE(numFramesWritten == (RANGE_END - RANGE_BEGIN) / pitch);
}
SECTION("Rewind, pitch == " + std::to_string(pitch))
{
// Point in audio buffer where the rewind takes place
const int OFFSET = 256;
channelShared.renderQueue->enqueue({m::rendering::RenderInfo::Mode::REWIND, OFFSET});
m::rendering::renderSampleChannel(channel, /*scene=*/0, /*seqIsRunning=*/false);
// Rendering should start over again at buffer[OFFSET]
REQUIRE(channelShared.audioBuffer[OFFSET][0] == 1.0f);
}
SECTION("Stop, pitch == " + std::to_string(pitch))
{
// Point in audio buffer where the stop takes place
const int OFFSET = 256;
channelShared.renderQueue->enqueue({m::rendering::RenderInfo::Mode::STOP, OFFSET});
m::rendering::renderSampleChannel(channel, /*scene=*/0, /*seqIsRunning=*/false);
int numFramesWritten = 0;
channelShared.audioBuffer.forEachFrame([&numFramesWritten](float* f, int)
{
if (f[0] != 0.0)
numFramesWritten++;
});
REQUIRE(numFramesWritten == OFFSET);
}
}
}
}
|
