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Searched refs:old_sample (Results 1 - 3 of 3) sorted by relevance

/third_party/alsa-lib/src/pcm/
H A Dpcm_rate_linear.c41 int16_t *old_sample; member
93 int16_t old_sample = 0; in linear_expand() local
102 new_sample = rate->old_sample[channel]; in linear_expand()
107 old_sample = new_sample; in linear_expand()
119 sample = (old_sample * old_weight + new_sample * new_weight) >> 16; in linear_expand()
133 rate->old_sample[channel] = new_sample; in linear_expand()
156 int16_t old_sample = 0; in linear_expand_s16() local
165 new_sample = rate->old_sample[channel]; in linear_expand_s16()
170 old_sample = new_sample; in linear_expand_s16()
176 *dst = (old_sample * old_weigh in linear_expand_s16()
215 int16_t old_sample = 0; linear_shrink() local
277 int16_t old_sample = 0; linear_shrink_s16() local
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H A Dpcm_dmix_generic.c55 register signed int sample, old_sample; in mix_areas_16() local
59 old_sample = *sum; in mix_areas_16()
61 sample -= old_sample; in mix_areas_16()
64 old_sample = *sum; in mix_areas_16()
65 if (old_sample > 0x7fff) in mix_areas_16()
67 else if (old_sample < -0x8000) in mix_areas_16()
70 sample = old_sample; in mix_areas_16()
72 } while (IS_CONCURRENT && *sum != old_sample); in mix_areas_16()
86 register signed int sample, old_sample; in mix_areas_32() local
90 old_sample in mix_areas_32()
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/third_party/alsa-lib/test/
H A Dmixtest.c167 s32 old_sample = *sum; in mix_areas2() local
169 sample -= old_sample; in mix_areas2()

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