forked from teamnwah/openmw-tes3coop
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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#ifndef MANGLE_SOUND_SOURCE_H
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#define MANGLE_SOUND_SOURCE_H
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#include <string>
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#include <stdint.h>
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#include <assert.h>
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#include "../stream/stream.h"
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namespace Mangle {
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namespace Sound {
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/// A stream containing raw sound data and information about the format
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class SampleSource : public Stream::Stream
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{
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protected:
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bool isEof;
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public:
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SampleSource()
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{
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// These are usually not needed for sound data
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isSeekable = false;
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hasPosition = false;
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hasSize = false;
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isEof = false;
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}
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/// Get the sample rate, number of channels, and bits per
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/// sample. NULL parameters are ignored.
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virtual void getInfo(int32_t *rate, int32_t *channels, int32_t *bits) const = 0;
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bool eof() const { return isEof; }
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// Disabled functions
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void seek(size_t pos) const { assert(0); }
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size_t tell() const { assert(0); }
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size_t size() const { assert(0); }
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};
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/// A factory interface for loading SampleSources from file or stream
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class SampleSourceLoader
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{
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public:
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/// If true, the stream version of load() works
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bool canLoadStream;
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/// If true, the file version of load() works
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bool canLoadFile;
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/// Load a sound input source from file (if canLoadFile is true)
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virtual SampleSource *load(const std::string &file) = 0;
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/// Load a sound input source from stream (if canLoadStream is true)
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virtual SampleSource *load(Stream::Stream *input) = 0;
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/// Virtual destructor
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virtual ~SampleSourceLoader() {}
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};
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}} // namespaces
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#endif
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