60 lines
2.7 KiB
C++
60 lines
2.7 KiB
C++
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/************************************************************************
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* Copyright (c) 2005-2007 tok@openlinux.org.uk *
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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 *
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* damages 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 *
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* it 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 *
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* not claim that you wrote the original software. If you use this *
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* software in a product, an acknowledgment in the product documentation *
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* would be appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must *
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* not be misrepresented as being the original software. *
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* *
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* 3. This notice may not be removed or altered from any source *
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* distribution. *
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************************************************************************/
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#ifdef WITH_SOUND
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#include "sound_fx_cache.h"
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#include "sound_resample2.h"
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namespace Audio {
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ChunkData & AudioChunkCache::getChunk(std::string & file, size_t idx) {
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ChunkId id(file, idx);
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CacheType::iterator i = cached.find(id);
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if (i == cached.end()) {
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ChunkData c = loadChunk(file, idx);
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cached.insert(std::make_pair<ChunkId, ChunkData>(id, c));
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i = cached.find(id);
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}
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return i->second;
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}
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ChunkData AudioChunkCache::loadChunk(std::string & file, size_t idx) {
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LookupCache::iterator j = lookup.find(file);
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if (j == lookup.end()) {
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prepareDB(file);
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j = lookup.find(file);
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}
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OpenGTA::SoundsDB & db = *j->second;
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OpenGTA::SoundsDB::Entry & e = db.getEntry(idx);
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size_t si;
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unsigned char* mem = db.getBuffered(idx);
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Uint8 *mem2 = (Uint8*)Audio::resample_new(mem, e.rawSize, si, e.sampleRate, 44100);
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Mix_Chunk * music = Mix_QuickLoad_RAW(mem2, si);
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return ChunkData(mem2, music, 1);
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}
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void AudioChunkCache::prepareDB(std::string db) {
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lookup[db] = new OpenGTA::SoundsDB(db);
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}
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}
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#endif
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