Mercurial > games > semicongine

annotate tests/test_audio.nim @ 176:36e10cc04a33

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fix: bad audio buffer handling, reduce latency (unbearable on windows)
author Sam <sam@basx.dev>
date Tue, 02 May 2023 02:13:46 +0700
parents ceba165f07d8
children 88198b0afacc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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diff changeset
1 import std/os
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2 import std/sequtils
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3 import std/times
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4
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5 import semicongine
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6
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7
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8 proc test1() =
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9 mixer[].addSound("test1", newSound(sineSoundData(1000, 2, 44100)))
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10 mixer[].addSound("test2", newSound(sineSoundData(500, 2, 44100)))
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11
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12
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13 let s1 = mixer[].play("test1", loop=true)
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14 let s2 = mixer[].play("test2", loop=true)
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15
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16 let t0 = now()
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17 while true:
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18 let runtime = (now() - t0).inMilliseconds()
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19 if runtime > 1500:
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20 mixer[].setLevel(0.1)
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21 if runtime > 3000:
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22 mixer[].stop(s2)
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23 if runtime > 6000:
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24 mixer[].stop("")
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25 if runtime > 8000:
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26 break
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27
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28 proc test2() =
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29 let
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30 # notes
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31 c = sineSoundData(261.6256, 0.5, 44100)
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32 d = sineSoundData(293.6648, 0.5, 44100)
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33 e = sineSoundData(329.6276, 0.5, 44100)
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34 f = sineSoundData(349.2282, 0.5, 44100)
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35 g = sineSoundData(391.9954, 0.5, 44100)
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36 a = sineSoundData(440.0000, 0.5, 44100)
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37 b = sineSoundData(493.8833, 0.5, 44100)
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38 bb = sineSoundData(466.1638, 0.5, 44100)
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39 c2 = sineSoundData(523.2511, 0.5, 44100)
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40 d2 = sineSoundData(587.3295, 0.5, 44100)
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41 bbShort = sineSoundData(466.1638, 0.25, 44100)
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42 c2Short = sineSoundData(523.2511, 0.25, 44100)
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43 d2Short = sineSoundData(587.3295, 0.25, 44100)
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44
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45 # song
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46 frerejaquesData = concat(
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47 f, g, a, f,
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48 f, g, a, f,
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49 a, bb, c2, c2,
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50 a, bb, c2, c2,
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51 c2Short, d2Short, c2Short, bbShort, a, f,
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52 c2Short, d2Short, c2Short, bbShort, a, f,
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53 f, c, f, f,
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54 f, c, f, f,
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55 )
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56
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57 mixer[].addSound("frerejaques", newSound(frerejaquesData))
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58 discard mixer[].play("frerejaques")
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59
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60 while mixer[].isPlaying():
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61 sleep(1)
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62
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63 proc test3() =
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64 var song: SoundData
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65 var f = open("tests/audiotest.PCM.s16le.48000.2")
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66 var readLen = 999
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67 while readLen > 0:
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68 var sample: Sample
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69 readLen = f.readBuffer(addr sample, sizeof(Sample))
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70 song.add sample
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71
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72 mixer[].addSound("pianosong", newSound(song))
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73 mixer[].addSound("ping", newSound(sineSoundData(500, 0.05, 44100)))
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74 mixer[].addTrack("effects")
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75 discard mixer[].play("pianosong")
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76
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77 let t0 = now()
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78 while mixer[].isPlaying():
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79 discard mixer[].play("ping", track="effects", stopOtherSounds=true, level=0.5)
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80 var input = stdin.readLine()
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81
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82 when isMainModule:
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83 startMixerThread()
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84 test1()
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85 mixer[].stop()
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86 test2()
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87 mixer[].stop()
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88 test3()
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89 mixer[].stop()