| D | shared_mem_test.cpp | 78 unsigned long phi; in Test01() local
87 phi = 0; in Test01()
88 Generate(smpBuf, BUF_SZ, amplitude, phi, dPhi); // fill buffer in Test01()
134 void AudioTrackTest::Generate(short *buffer, long bufferSz, long amplitude, unsigned long &phi, lon… in Generate() argument
138 buffer[i0] = ComputeSine( amplitude, phi); in Generate()
139 phi += dPhi; in Generate()
149 short AudioTrackTest::ComputeSine(long amplitude, long phi) in ComputeSine() argument
155 sample = (amplitude*sin1024[(phi>>22) & 0x3ff]) >> 15; in ComputeSine()
157 l0 = (phi>>12) & 0x3ff; // 2^20 * x / (2*pi) in ComputeSine()
158 l1 = (amplitude*sin1024[((phi>>22) + 256) & 0x3ff]) >> 15; // 2^15*cosine in ComputeSine()
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