mirror of
https://github.com/love2d/love.git
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129 lines
3.1 KiB
C++
129 lines
3.1 KiB
C++
/**
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* Copyright (c) 2006-2021 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "wrap_Decoder.h"
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#include "SoundData.h"
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#include "Sound.h"
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#define instance() (Module::getInstance<Sound>(Module::M_SOUND))
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namespace love
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{
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namespace sound
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{
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Decoder *luax_checkdecoder(lua_State *L, int idx)
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{
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return luax_checktype<Decoder>(L, idx);
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}
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int w_Decoder_clone(lua_State *L)
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{
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Decoder *t = luax_checkdecoder(L, 1);
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Decoder *c = nullptr;
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luax_catchexcept(L, [&]() { c = t->clone(); });
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luax_pushtype(L, c);
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c->release();
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return 1;
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}
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int w_Decoder_getChannelCount(lua_State *L)
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{
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Decoder *t = luax_checkdecoder(L, 1);
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lua_pushinteger(L, t->getChannelCount());
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return 1;
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}
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int w_Decoder_getBitDepth(lua_State *L)
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{
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Decoder *t = luax_checkdecoder(L, 1);
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lua_pushinteger(L, t->getBitDepth());
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return 1;
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}
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int w_Decoder_getSampleRate(lua_State *L)
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{
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Decoder *t = luax_checkdecoder(L, 1);
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lua_pushinteger(L, t->getSampleRate());
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return 1;
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}
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int w_Decoder_getDuration(lua_State *L)
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{
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Decoder *t = luax_checkdecoder(L, 1);
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lua_pushnumber(L, t->getDuration());
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return 1;
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}
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int w_Decoder_decode(lua_State *L)
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{
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Decoder *t = luax_checkdecoder(L, 1);
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int decoded = t->decode();
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if (decoded > 0)
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{
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luax_catchexcept(L, [&]() {
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SoundData *s = instance()->newSoundData(t->getBuffer(),
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decoded / (t->getBitDepth() / 8 * t->getChannelCount()),
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t->getSampleRate(), t->getBitDepth(), t->getChannelCount());
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luax_pushtype(L, s);
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s->release();
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});
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}
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else
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lua_pushnil(L);
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return 1;
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}
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int w_Decoder_seek(lua_State *L)
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{
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Decoder *t = luax_checkdecoder(L, 1);
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double offset = luaL_checknumber(L, 2);
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if (offset < 0)
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return luaL_argerror(L, 2, "can't seek to a negative position");
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else if (offset == 0)
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t->rewind();
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else
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t->seek(offset);
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return 0;
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}
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static const luaL_Reg w_Decoder_functions[] =
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{
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{ "clone", w_Decoder_clone },
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{ "getChannelCount", w_Decoder_getChannelCount },
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{ "getBitDepth", w_Decoder_getBitDepth },
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{ "getSampleRate", w_Decoder_getSampleRate },
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{ "getDuration", w_Decoder_getDuration },
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{ "decode", w_Decoder_decode },
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{ "seek", w_Decoder_seek },
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{ 0, 0 }
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};
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extern "C" int luaopen_decoder(lua_State *L)
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{
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return luax_register_type(L, &Decoder::type, w_Decoder_functions, nullptr);
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}
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} // sound
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} // love
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