src/buffer.h

   1 #ifndef BUFFER_H
   2 #define BUFFER_H
   3
   4 #include "main.h"
   5
   6 #include <algorithm>
   7
   8 #include "al.h"
   9
  10 #include "refcount.h"
  11
  12 namespace alure {
  13
  14 class ContextImpl;
  15
  16 ALenum GetFormat(ChannelConfig chans, SampleType type);
  17
  18 class BufferImpl {
  19     ContextImpl *const mContext;
  20     ALuint mId;
  21
  22     ALuint mFrequency;
  23     ChannelConfig mChannelConfig;
  24     SampleType mSampleType;
  25
  26     BufferLoadStatus mLoadStatus;
  27     std::atomic<bool> mIsLoaded;
  28
  29     Vector<Source> mSources;
  30
  31     const String mName;
  32
  33 public:
  34     BufferImpl(ContextImpl *context, ALuint id, ALuint freq, ChannelConfig config, SampleType type, bool preloaded, const String &name)
  35       : mContext(context), mId(id), mFrequency(freq), mChannelConfig(config), mSampleType(type),
  36         mLoadStatus(preloaded ? BufferLoadStatus::Ready : BufferLoadStatus::Pending),
  37         mIsLoaded(preloaded), mName(name)
  38     { }
  39
  40     void cleanup();
  41
  42     ContextImpl *getContext() { return mContext; }
  43     ALuint getId() const { return mId; }
  44
  45     void addSource(Source source) { mSources.push_back(source); }
  46     void removeSource(Source source)
  47     {
  48         auto iter = std::find(mSources.cbegin(), mSources.cend(), source);
  49         if(iter != mSources.cend()) mSources.erase(iter);
  50     }
  51
  52     void load(ALuint frames, ALenum format, SharedPtr<Decoder> decoder, const String &name, ContextImpl *ctx);
  53
  54     bool isReady() const { return mLoadStatus == BufferLoadStatus::Ready; }
  55
  56     ALuint getLength() const;
  57
  58     ALuint getFrequency() const { return mFrequency; }
  59     ChannelConfig getChannelConfig() const { return mChannelConfig; }
  60     SampleType getSampleType() const { return mSampleType; }
  61
  62     ALuint getSize() const;
  63
  64     void setLoopPoints(ALuint start, ALuint end);
  65     std::pair<ALuint,ALuint> getLoopPoints() const;
  66
  67     Vector<Source> getSources() const { return mSources; }
  68
  69     BufferLoadStatus getLoadStatus();
  70
  71     const String &getName() const { return mName; }
  72
  73     bool isInUse() const { return (mSources.size() > 0); }
  74 };
  75
  76 } // namespace alure
  77
  78 #endif /* BUFFER_H */