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Searched refs:sine (Results 1 – 25 of 127) sorted by relevance

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/third_party/ffmpeg/libavfilter/
Dasrc_sine.c82 AVFILTER_DEFINE_CLASS(sine);
147 SineContext *sine = ctx->priv; in init() local
149 if (!(sine->sin = av_malloc(sizeof(*sine->sin) << LOG_PERIOD))) in init()
151 sine->dphi = ldexp(sine->frequency, 32) / sine->sample_rate + 0.5; in init()
152 make_sin_table(sine->sin); in init()
154 if (sine->beep_factor) { in init()
155 sine->beep_period = sine->sample_rate; in init()
156 sine->beep_length = sine->beep_period / 25; in init()
157 sine->dphi_beep = ldexp(sine->beep_factor * sine->frequency, 32) / in init()
158 sine->sample_rate + 0.5; in init()
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/third_party/ffmpeg/tests/filtergraphs/
Dconcat2 sine=440:b=2:d=1 [a1];
4 sine=622:b=2:d=2 [a2];
6 sine=880:b=2:d=1 [a3];
Dconcat-vfr2 sine=440:b=2:d=1 [a1];
4 sine=622:b=2:d=2 [a2];
6 sine=880:b=2:d=1 [a3];
/third_party/libwebsockets/lib/drivers/led/
DREADME.md15 in a table, a 64-sample, 16-bit sine function is provided along with 16-bit
86 An interpolated sine function is also provided that returns an intensity
87 between 0 - 65535 reflecting one cycle of sine wave for the phase angle of 0 -
101 This "endless" sequencer cycles through the sine function at 750ms per cycle.
113 ... this one traverses 180 degrees of the sine wave starting from 0 and ending
148 lws_pwmseq_sine_endless_slow|continuous 100% sine, 1.5s cycle
149 lws_pwmseq_sine_endless_fast|continuous 100% sine, 0.75s cycle
151 lws_pwmseq_sine_up|single 0 - 100% using sine curve over 0.3s
152 lws_pwmseq_sine_down|single 100% - 0 using sine curve over 0.3s
/third_party/alsa-utils/speaker-test/
Dspeaker-test.c379 static void init_sine(sine_t *sine) in init_sine() argument
381 sine->phase = 0; in init_sine()
382 sine->max_phase = 1.0 / freq; in init_sine()
383 sine->step = 1.0 / (double)rate; in init_sine()
388 sine_t *sine = arg; in generate_sine() local
391 res.f = sin((sine->phase * 2 * M_PI) / sine->max_phase - M_PI); in generate_sine()
395 sine->phase += sine->step; in generate_sine()
396 if (sine->phase >= sine->max_phase) in generate_sine()
397 sine->phase -= sine->max_phase; in generate_sine()
852 static sine_t sine; variable
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/third_party/pulseaudio/src/pulsecore/ffmpeg/
Dresample2.c143 double sine[LEN + tap_count]; in av_build_filter()
149 sine[j]= cos(i*j*M_PI/LEN); in av_build_filter()
154 sum += filter[ph * tap_count + k] * sine[k+j]; in av_build_filter()
156 ss+= sine[j + center] * sine[j + center]; in av_build_filter()
158 sf+= sine[j + center] * filtered[j]; in av_build_filter()
/third_party/flutter/engine/flutter/flow/
Dmatrix_decomposition_unittests.cc24 const auto sine = sin(angle * 0.5); in TEST() local
28 ASSERT_FLOAT_EQ(sine, decomposition.rotation().fData[2]); in TEST()
87 const auto sine = sin(rotation * 0.5); in TEST() local
91 ASSERT_FLOAT_EQ(sine, decomposition.rotation().fData[2]); in TEST()
/third_party/flutter/skia/src/effects/
DSkColorMatrix.cpp80 void SkColorMatrix::setSinCos(Axis axis, float sine, float cosine) { in setSinCos() argument
92 fMat[index[1]] = sine; in setSinCos()
93 fMat[index[2]] = -sine; in setSinCos()
/third_party/gstreamer/gstplugins_bad/tests/check/
Dgst-plugins-bad.supp32 <the LADSPA sine plugin produces this on every exit() it seems >
35 obj:/usr/lib/ladspa/sine.so
/third_party/glslang/Test/baseResults/
Dswitch.frag.out50 0:28 sine ( global highp float)
75 0:38 sine ( global highp float)
104 0:49 sine ( global highp float)
170 0:73 sine ( global highp float)
223 0:93 sine ( global highp float)
386 0:28 sine ( global highp float)
411 0:38 sine ( global highp float)
440 0:49 sine ( global highp float)
506 0:73 sine ( global highp float)
559 0:93 sine ( global highp float)
D130.vert.out30 0:20 sine ( global float)
96 0:40 hyp. sine ( global float)
104 0:42 arc hyp. sine ( global 4-component vector of float)
180 0:20 sine ( global float)
246 0:40 hyp. sine ( global float)
254 0:42 arc hyp. sine ( global 4-component vector of float)
Dhlsl.intrinsics.vert.out22 0:7 arc sine ( temp float)
113 0:48 sine ( temp float)
118 0:49 sine ( temp float)
124 0:50 hyp. sine ( temp float)
171 0:74 arc sine ( temp 2-component vector of float)
286 0:122 sine ( temp 2-component vector of float)
291 0:123 sine ( temp 2-component vector of float)
297 0:124 hyp. sine ( temp 2-component vector of float)
336 0:143 arc sine ( temp 3-component vector of float)
456 0:192 sine ( temp 3-component vector of float)
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Dhlsl.sin.frag.out10 0:3 sine ( temp 4-component vector of float)
38 0:3 sine ( temp 4-component vector of float)
Dhlsl.promote.vec1.frag.out22 0:13 sine ( temp float)
64 0:13 sine ( temp float)
/third_party/skia/third_party/externals/oboe/samples/hello-oboe/
DREADME.md3 Creates an output (playback) stream and plays a sine wave when you tap the screen.
11 **Channel count:** Choose the number of audio channels to output. A different pitched sine wave wil…
/third_party/libsnd/docs/
Doctave.md44 For example, to generate a sine wave and store it as a binary file which is
49 octave:3 > save sine.mat samplerate wavedata
54 octave:4 > [data fs] = sndfile_load ("sine.mat") ;
/third_party/boost/libs/math/doc/sf/
Dinv_hyper.qbk46 Hyperbolic sine: [equation special_functions_blurb6]
56 The hyperbolic sine is one to one on the set of real numbers,
68 The inverse of the hyperbolic sine is called the Argument hyperbolic sine,
156 the hyperbolic sine function].
/third_party/ffmpeg/libswresample/
Dresample.c239 double sine[LEN + tap_count]; in build_filter()
245 sine[j]= cos(i*j*M_PI/LEN); in build_filter()
250 sum += filter[ph * tap_count + k] * sine[k+j]; in build_filter()
252 ss+= sine[j + center] * sine[j + center]; in build_filter()
254 sf+= sine[j + center] * filtered[j]; in build_filter()
/third_party/boost/boost/multiprecision/detail/functions/
Dtrig.hpp544 T sine, cosine; in eval_asin() local
545 eval_sin(sine, result); in eval_asin()
547 eval_subtract(sine, xx); in eval_asin()
548 eval_divide(sine, cosine); in eval_asin()
549 eval_subtract(result, sine); in eval_asin()
550 current_precision = eval_ilogb(sine); in eval_asin()
/third_party/skia/third_party/externals/oboe/apps/OboeTester/docs/
DUsage.md69 It plays a sine wave and then tries to record and lock onto that sine wave.
70 If the actual input does not match the expected sine wave value then it is counted as a glitch.
/third_party/toybox/tests/
Dbc.test32 run_bc_test sine
/third_party/flutter/skia/include/effects/
DSkColorMatrix.h33 void setSinCos(Axis, float sine, float cosine);
/third_party/ffmpeg/doc/
Dlexicon5 dst/adst: (asymmetric) discrete sine transform
/third_party/pulseaudio/src/modules/
Dmeson.build51 [ 'module-sine', 'module-sine.c' ],
52 [ 'module-sine-source', 'module-sine-source.c' ],
/third_party/boost/libs/math/doc/complex/
Dcomplex-tr1.qbk41 __effects returns the inverse sine of the complex number z.
92 __effects returns the inverse hyperbolic sine of the complex number z.

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