forked from teamnwah/openmw-tes3coop
50 lines
1 KiB
C
50 lines
1 KiB
C
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#ifndef MANGLE_SOUND_MEMSOURCE_H
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#define MANGLE_SOUND_MEMSOURCE_H
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#include "../source.h"
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namespace Mangle {
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namespace Sound {
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/// A sample source reading directly from a memory buffer
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class MemorySource : public SampleSource
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{
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char *buf;
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size_t len;
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size_t pos;
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int32_t rate, channels, bits;
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public:
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MemorySource(void *_buf, size_t _len, int32_t _rate, int32_t _channels, int32_t _bits)
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: len(_len), pos(0), rate(_rate), channels(_channels), bits(_bits)
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{ buf = (char*)_buf; }
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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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void getInfo(int32_t *_rate, int32_t *_channels, int32_t *_bits) const
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{
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if(_rate) *_rate = rate;
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if(_channels) *_channels = channels;
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if(_bits) *_bits = bits;
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}
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bool eof() const { return pos == len; }
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size_t read(void *out, size_t count)
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{
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assert(len >= pos);
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if(count > (len-pos))
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count = len-pos;
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if(count) memcpy(out, buf+pos, count);
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pos += count;
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return count;
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}
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};
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}} // namespaces
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#endif
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