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Searched refs:nchannels (Results 1 - 25 of 33) sorted by relevance

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/third_party/ffmpeg/libavcodec/
H A Dsbcdsp.c166 int nsamples, int nchannels) in sbc_enc_process_input_4s()
172 for (c = 0; c < nchannels; c++) in sbc_enc_process_input_4s()
179 for (; nsamples >= 8; nsamples -= 8, pcm += 16 * nchannels) { in sbc_enc_process_input_4s()
181 for (c = 0; c < nchannels; c++) { in sbc_enc_process_input_4s()
183 x[0] = AV_RN16(pcm + 14*nchannels + 2*c); in sbc_enc_process_input_4s()
184 x[1] = AV_RN16(pcm + 6*nchannels + 2*c); in sbc_enc_process_input_4s()
185 x[2] = AV_RN16(pcm + 12*nchannels + 2*c); in sbc_enc_process_input_4s()
186 x[3] = AV_RN16(pcm + 8*nchannels + 2*c); in sbc_enc_process_input_4s()
187 x[4] = AV_RN16(pcm + 0*nchannels + 2*c); in sbc_enc_process_input_4s()
188 x[5] = AV_RN16(pcm + 4*nchannels in sbc_enc_process_input_4s()
164 sbc_enc_process_input_4s(int position, const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], int nsamples, int nchannels) sbc_enc_process_input_4s() argument
197 sbc_enc_process_input_8s(int position, const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], int nsamples, int nchannels) sbc_enc_process_input_8s() argument
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H A Ddca_xll.c99 for (j = 0; j < c->nchannels; j++) { in parse_dmix_coeffs()
134 c->nchannels = get_bits(&s->gb, 4) + 1; in chs_parse_header()
135 if (c->nchannels > DCA_XLL_CHANNELS_MAX) { in chs_parse_header()
136 avpriv_request_sample(s->avctx, "%d XLL channels", c->nchannels); in chs_parse_header()
141 c->residual_encode = get_bits(&s->gb, c->nchannels); in chs_parse_header()
219 if (av_popcount(c->ch_mask) != c->nchannels) { in chs_parse_header()
230 if (c->nchannels != 2 || s->nchsets != 1 || get_bits1(&s->gb)) { in chs_parse_header()
282 if ((b->decor_enabled = get_bits1(&s->gb)) && c->nchannels > 1) { in chs_parse_header()
283 int ch_nbits = av_ceil_log2(c->nchannels); in chs_parse_header()
286 for (i = 0; i < c->nchannels; in chs_parse_header()
1182 int i, j, k, nchannels = 0, *coeff_ptr = o->dmix_coeff; undo_down_mix() local
1213 int i, j, nchannels = 0; scale_down_mix() local
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H A Ddca_core.c155 int n, ch, nchannels, header_size = 0, header_pos = get_bits_count(&s->gb); in parse_coding_header() local
167 s->nchannels = get_bits(&s->gb, 3) + 1; in parse_coding_header()
168 if (s->nchannels != ff_dca_channels[s->audio_mode]) { in parse_coding_header()
169 av_log(s->avctx, AV_LOG_ERROR, "Invalid number of primary audio channels (%d) for audio channel arrangement (%d)\n", s->nchannels, s->audio_mode); in parse_coding_header()
172 av_assert1(s->nchannels <= DCA_CHANNELS - 2); in parse_coding_header()
182 s->nchannels = ff_dca_channels[s->audio_mode] + 1; in parse_coding_header()
183 av_assert1(s->nchannels <= DCA_CHANNELS - 1); in parse_coding_header()
199 nchannels = get_bits(&s->gb, 3) + 1; in parse_coding_header()
200 if (nchannels > DCA_XXCH_CHANNELS_MAX) { in parse_coding_header()
201 avpriv_request_sample(s->avctx, "%d XXCH channels", nchannels); in parse_coding_header()
2166 int i, n, ch, ret, spkr, nsamples, nchannels; filter_frame_float() local
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H A Dsbcdsp.h64 int nsamples, int nchannels);
67 int nsamples, int nchannels);
H A Ddca_xll.h64 int nchannels; ///< Number of channels in the channel set (N) member
126 int nchannels; ///< Total number of channels in a hierarchy member
H A Ddca_lbr.c341 for (ch = 0; ch < s->nchannels; ch++) { in parse_tonal()
987 int nsamples = nchsamples * s->nchannels * s->nsubbands; in alloc_sample_buffer()
997 for (ch = 0; ch < s->nchannels; ch++) { in alloc_sample_buffer()
1011 int old_nchannels = s->nchannels; in parse_decoder_init()
1070 s->nchannels = FFMIN(s->nchannels_total, DCA_LBR_CHANNELS); in parse_decoder_init()
1142 s->nchannels = 2; in parse_decoder_init()
1150 || old_nchannels != s->nchannels) { in parse_decoder_init()
1256 for (ch = 0; ch < s->nchannels; ch++) { in ff_dca_lbr_parse()
1366 for (i = 0; i < (s->nchannels + 1) / 2; i++) { in ff_dca_lbr_parse()
1368 int ch2 = FFMIN(ch1 + 1, s->nchannels in ff_dca_lbr_parse()
1729 int i, ret, nchannels, ch_conf = (s->ch_mask & 0x7) - 1; ff_dca_lbr_filter_frame() local
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H A Ddcadec.c48 int dca_ch, wav_ch, nchannels = 0; in ff_dca_set_channel_layout() local
54 ch_remap[nchannels++] = dca_ch; in ff_dca_set_channel_layout()
56 avctx->ch_layout.nb_channels = nchannels; in ff_dca_set_channel_layout()
77 ch_remap[nchannels++] = wav_map[wav_ch]; in ff_dca_set_channel_layout()
82 return nchannels; in ff_dca_set_channel_layout()
/third_party/python/Lib/test/
H A Daudiotests.py29 def check_params(self, f, nchannels, sampwidth, framerate, nframes,
31 self.assertEqual(f.getnchannels(), nchannels)
40 (nchannels, sampwidth, framerate, nframes, comptype, compname))
41 self.assertEqual(params.nchannels, nchannels)
57 f.setnchannels(self.nchannels)
65 self.assertEqual(f.getnchannels(), self.nchannels)
75 self.check_params(f, self.nchannels, self.sampwidth, self.framerate,
93 f.setnchannels(self.nchannels)
102 self.assertEqual(params.nchannels, sel
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H A Dtest_sunau.py20 nchannels = 2 variable in SunauPCM8Test
37 nchannels = 2 variable in SunauPCM16Test
56 nchannels = 2 variable in SunauPCM24Test
81 nchannels = 2 variable in SunauPCM32Test
106 nchannels = 2 variable in SunauULAWTest
H A Dtest_ossaudiodev.py34 nchannels = au.getnchannels()
44 return (data, rate, 16, nchannels)
48 def play_sound_file(self, data, rate, ssize, nchannels):
79 expected_time = float(len(data)) / (ssize/8) / nchannels / rate
82 dsp.setparameters(AFMT_S16_NE, nchannels, rate)
134 for config in [(fmt, 300, rate), # ridiculous nchannels
135 (fmt, -5, rate), # impossible nchannels
H A Dtest_wave.py18 nchannels = 2 variable in WavePCM8Test
35 nchannels = 2 variable in WavePCM16Test
56 nchannels = 2 variable in WavePCM24Test
83 nchannels = 2 variable in WavePCM32Test
H A Dtest_aifc.py26 nchannels = 2 variable in AifcPCM8Test
43 nchannels = 2 variable in AifcPCM16Test
62 nchannels = 2 variable in AifcPCM24Test
87 nchannels = 2 variable in AifcPCM32Test
112 nchannels = 2 variable in AifcULAWTest
133 nchannels = 2 variable in AifcALAWTest
182 self.assertEqual(params.nchannels, f.getnchannels())
290 for nchannels in 0, -1:
292 b += b'COMM' + struct.pack('>LhlhhLL', 38, nchannels, 0, 8,
H A Dtest_sndhdr.py27 self.assertEqual(what.nchannels, expected[2])
/third_party/pulseaudio/src/pulsecore/
H A Dmix_neon.c205 static void pa_mix_s16ne_neon(pa_mix_info streams[], unsigned nstreams, unsigned nchannels, void *data, unsigned length) { in pa_mix_s16ne_neon() argument
206 if (nstreams == 2 && nchannels == 2) in pa_mix_s16ne_neon()
208 else if (nstreams == 2 && nchannels == 4) in pa_mix_s16ne_neon()
210 else if (nstreams == 2 && nchannels == 1) in pa_mix_s16ne_neon()
212 else if (nchannels == 2) in pa_mix_s16ne_neon()
215 fallback(streams, nstreams, nchannels, data, length); in pa_mix_s16ne_neon()
H A Dmix.c39 unsigned channel, nchannels, padding; in calc_linear_integer_volume() local
44 nchannels = volume->channels; in calc_linear_integer_volume()
46 for (channel = 0; channel < nchannels; channel++) in calc_linear_integer_volume()
54 unsigned channel, nchannels, padding; in calc_linear_float_volume() local
59 nchannels = volume->channels; in calc_linear_float_volume()
61 for (channel = 0; channel < nchannels; channel++) in calc_linear_float_volume()
H A Dmix.h45 unsigned nchannels,
/third_party/python/Modules/
H A Dossaudiodev.c620 _ssize(oss_audio_t *self, int *nchannels, int *ssize) in _ssize() argument
646 if (ioctl(self->fd, SNDCTL_DSP_CHANNELS, nchannels) < 0) in _ssize()
658 int nchannels=0, ssize=0; in oss_bufsize() local
663 if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) { in oss_bufsize()
671 return PyLong_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize)); in oss_bufsize()
680 int nchannels=0, ssize=0; in oss_obufcount() local
685 if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) { in oss_obufcount()
694 (ssize * nchannels)); in oss_obufcount()
703 int nchannels=0, ssize=0; oss_obuffree() local
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H A Daudioop.c1313 nchannels: int
1326 int nchannels, int inrate, int outrate, PyObject *state, in audioop_ratecv_impl()
1338 if (nchannels < 1) { in audioop_ratecv_impl()
1343 if (width > INT_MAX / nchannels) { in audioop_ratecv_impl()
1348 "width * nchannels too big for a C int"); in audioop_ratecv_impl()
1351 bytes_per_frame = width * nchannels; in audioop_ratecv_impl()
1377 if ((size_t)nchannels > SIZE_MAX/sizeof(int)) { in audioop_ratecv_impl()
1382 prev_i = (int *) PyMem_Malloc(nchannels * sizeof(int)); in audioop_ratecv_impl()
1383 cur_i = (int *) PyMem_Malloc(nchannels * sizeof(int)); in audioop_ratecv_impl()
1393 for (chan = 0; chan < nchannels; cha in audioop_ratecv_impl()
1325 audioop_ratecv_impl(PyObject *module, Py_buffer *fragment, int width, int nchannels, int inrate, int outrate, PyObject *state, int weightA, int weightB) audioop_ratecv_impl() argument
[all...]
/third_party/python/Lib/
H A Dsndhdr.py42 'filetype framerate nchannels nframes sampwidth')
49 SndHeaders.nchannels.__doc__ = ("""The number of channels or 0 if it cannot be
116 nchannels = func(h[20:24])
127 frame_size = sample_size * nchannels
132 return filetype, rate, nchannels, nframe, sample_bits
H A Dsunau.py113 'nchannels sampwidth framerate nframes comptype compname')
347 def setnchannels(self, nchannels):
350 if nchannels not in (1, 2, 4):
352 self._nchannels = nchannels
409 nchannels, sampwidth, framerate, nframes, comptype, compname = params
410 self.setnchannels(nchannels)
H A Dwave.py90 'nchannels sampwidth framerate nframes comptype compname')
458 def setnchannels(self, nchannels):
461 if nchannels < 1:
463 self._nchannels = nchannels
517 nchannels, sampwidth, framerate, nframes, comptype, compname = params
520 self.setnchannels(nchannels)
H A Daifc.py264 'nchannels sampwidth framerate nframes comptype compname')
266 _aifc_params.nchannels.__doc__ = 'Number of audio channels (1 for mono, 2 for stereo)'
634 def setnchannels(self, nchannels):
637 if nchannels < 1:
639 self._nchannels = nchannels
699 nchannels, sampwidth, framerate, nframes, comptype, compname = params
705 self.setnchannels(nchannels)
968 print("nchannels =", f.getnchannels())
/third_party/mesa3d/src/gallium/drivers/r600/sfn/
H A Dsfn_virtualvalues.cpp729 LocalArray::LocalArray(int base_sel, int nchannels, int size, int frac):
730 Register(base_sel, nchannels, pin_array),
732 m_nchannels(nchannels),
734 m_values(size * nchannels),
737 assert(nchannels <= 4);
738 assert(nchannels + frac <= 4);
741 << size << ", " << frac << ", " << nchannels << ")\n";
743 for (int c = 0; c < nchannels; ++c) {
781 uint32_t LocalArray::nchannels() const
1024 m_array->nchannels()
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/third_party/ffmpeg/libavcodec/arm/
H A Dsbcdsp_init_arm.c51 int nsamples, int nchannels);
54 int nsamples, int nchannels);
/third_party/python/Modules/clinic/
H A Daudioop.c.h963 "ratecv($module, fragment, width, nchannels, inrate, outrate, state,\n"
974 int nchannels, int inrate, int outrate, PyObject *state,
983 int nchannels; in audioop_ratecv() local
1004 nchannels = _PyLong_AsInt(args[2]); in audioop_ratecv()
1005 if (nchannels == -1 && PyErr_Occurred()) { in audioop_ratecv()
1032 return_value = audioop_ratecv_impl(module, &fragment, width, nchannels, inrate, outrate, state, weightA, weightB); in audioop_ratecv()

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