1/**
2 * Copyright (c) 2006-2023 LOVE Development Team
3 *
4 * This software is provided 'as-is', without any express or implied
5 * warranty. In no event will the authors be held liable for any damages
6 * arising from the use of this software.
7 *
8 * Permission is granted to anyone to use this software for any purpose,
9 * including commercial applications, and to alter it and redistribute it
10 * freely, subject to the following restrictions:
11 *
12 * 1. The origin of this software must not be misrepresented; you must not
13 * claim that you wrote the original software. If you use this software
14 * in a product, an acknowledgment in the product documentation would be
15 * appreciated but is not required.
16 * 2. Altered source versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software.
18 * 3. This notice may not be removed or altered from any source distribution.
19 **/
20
21#include "wrap_Sound.h"
22
23#include "filesystem/wrap_Filesystem.h"
24
25// Implementations.
26#include "lullaby/Sound.h"
27
28namespace love
29{
30namespace sound
31{
32
33#define instance() (Module::getInstance<Sound>(Module::M_SOUND))
34
35int w_newDecoder(lua_State *L)
36{
37 love::filesystem::FileData *data = love::filesystem::luax_getfiledata(L, 1);
38 int bufferSize = (int) luaL_optinteger(L, 2, Decoder::DEFAULT_BUFFER_SIZE);
39
40 Decoder *t = nullptr;
41 luax_catchexcept(L,
42 [&]() { t = instance()->newDecoder(data, bufferSize); },
43 [&](bool) { data->release(); }
44 );
45
46 if (t == nullptr)
47 return luaL_error(L, "Extension \"%s\" not supported.", data->getExtension().c_str());
48
49 luax_pushtype(L, t);
50 t->release();
51 return 1;
52}
53
54int w_newSoundData(lua_State *L)
55{
56 SoundData *t = nullptr;
57
58 if (lua_isnumber(L, 1))
59 {
60 int samples = (int) luaL_checkinteger(L, 1);
61 int sampleRate = (int) luaL_optinteger(L, 2, Decoder::DEFAULT_SAMPLE_RATE);
62 int bitDepth = (int) luaL_optinteger(L, 3, Decoder::DEFAULT_BIT_DEPTH);
63 int channels = (int) luaL_optinteger(L, 4, Decoder::DEFAULT_CHANNELS);
64
65 luax_catchexcept(L, [&](){ t = instance()->newSoundData(samples, sampleRate, bitDepth, channels); });
66 }
67 // Must be string or decoder.
68 else
69 {
70 // Convert to Decoder, if necessary.
71 if (!luax_istype(L, 1, Decoder::type))
72 {
73 w_newDecoder(L);
74 lua_replace(L, 1);
75 }
76
77 luax_catchexcept(L, [&](){ t = instance()->newSoundData(luax_checkdecoder(L, 1)); });
78 }
79
80 luax_pushtype(L, t);
81 t->release();
82 return 1;
83}
84
85// List of functions to wrap.
86static const luaL_Reg functions[] =
87{
88 { "newDecoder", w_newDecoder },
89 { "newSoundData", w_newSoundData },
90 { 0, 0 }
91};
92
93static const lua_CFunction types[] =
94{
95 luaopen_sounddata,
96 luaopen_decoder,
97 0
98};
99
100extern "C" int luaopen_love_sound(lua_State *L)
101{
102 Sound *instance = instance();
103 if (instance == nullptr)
104 {
105 luax_catchexcept(L, [&](){ instance = new lullaby::Sound(); });
106 }
107 else
108 instance->retain();
109
110
111 WrappedModule w;
112 w.module = instance;
113 w.name = "sound";
114 w.type = &Sound::type;
115 w.functions = functions;
116 w.types = types;
117
118 return luax_register_module(L, w);
119}
120
121} // sound
122} // love
123