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Searched refs:period_time (Results 1 - 14 of 14) sorted by relevance

/third_party/alsa-lib/src/pcm/
H A Dpcm_simple.c54 unsigned int *period_time, in set_hw_params()
85 if (period_time == NULL || *period_time == 0) { in set_hw_params()
92 if (period_time) { in set_hw_params()
93 err = INTERNAL(snd_pcm_hw_params_get_period_time)(hw_params, period_time, NULL); in set_hw_params()
98 err = snd_pcm_hw_params_set_period_time(pcm, hw_params, *period_time, 0); in set_hw_params()
101 if (*buffer_time == *period_time) in set_hw_params()
225 unsigned int period_time[2]; in snd_spcm_init_duplex() local
245 period_time[i] = i > 0 ? period_time[ in snd_spcm_init_duplex()
47 set_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *hw_params, unsigned int *rate, unsigned int channels, snd_pcm_format_t format, snd_pcm_subformat_t subformat, unsigned int *buffer_time, unsigned int *period_time, snd_pcm_access_t access) set_hw_params() argument
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H A Dpcm_direct.c949 &dshare->shmptr->hw.period_time);
968 snd_interval_t period_time = dshare->shmptr->hw.period_time; local
985 if (dshare->shmptr->hw.buffer_time.max / 2 > period_time.max) {
986 period_time.max = dshare->shmptr->hw.buffer_time.max / 2;
987 period_time.openmax = dshare->shmptr->hw.buffer_time.openmax;
996 &period_time);
1165 COPY_SLAVE(period_time);
1296 if (params->period_time > 0) {
1298 &hw_params, (unsigned int *)&params->period_time,
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H A Dpcm_direct.h69 int period_time; member
88 snd_interval_t period_time; member
99 unsigned int period_time; member
H A Dpcm_dsnoop.c718 period_time INT # in usec
791 params.period_time = -1; in _snd_pcm_dsnoop_open()
799 SND_PCM_HW_PARAM_PERIOD_TIME, 0, &params.period_time, in _snd_pcm_dsnoop_open()
808 if (psize == -1 && params.period_time == -1) in _snd_pcm_dsnoop_open()
809 params.period_time = 125000; /* 0.125 seconds */ in _snd_pcm_dsnoop_open()
H A Dpcm_dshare.c864 period_time INT # in usec
939 params.period_time = -1; in _snd_pcm_dshare_open()
947 SND_PCM_HW_PARAM_PERIOD_TIME, 0, &params.period_time, in _snd_pcm_dshare_open()
956 if (psize == -1 && params.period_time == -1) in _snd_pcm_dshare_open()
957 params.period_time = 125000; /* 0.125 seconds */ in _snd_pcm_dshare_open()
H A Dpcm_dmix.c1160 period_time INT # in usec
1206 (\c S16), channels (2), and period_time (125000).
1241 period_time 0
1247 <code>period_time 0</code> must be set, too, for resetting the
1303 params.period_time = -1; in _snd_pcm_dmix_open()
1312 SND_PCM_HW_PARAM_PERIOD_TIME, 0, &params.period_time, in _snd_pcm_dmix_open()
1321 if (psize == -1 && params.period_time == -1) in _snd_pcm_dmix_open()
1322 params.period_time = 125000; /* 0.125 seconds */ in _snd_pcm_dmix_open()
H A Dpcm_share.c81 snd_pcm_sframes_t period_time; member
511 if (slave->period_time >= 0) { in snd_pcm_share_hw_refine_cprepare()
513 slave->period_time, 0); in snd_pcm_share_hw_refine_cprepare()
643 spcm->period_time, 0, in snd_pcm_share_hw_params()
644 spcm->period_time, 1); in snd_pcm_share_hw_params()
1503 slave->period_time = speriod_time; in snd_pcm_share_open()
1580 [period_time INT] # Slave period time in us
H A Dpcm.c916 snd_interval_set_value(&params->intervals[SND_PCM_HW_PARAM_PERIOD_TIME - SND_PCM_HW_PARAM_FIRST_INTERVAL], pcm->period_time); in snd_pcm_hw_params_current()
2358 snd_output_printf(out, " period_time : %u\n", pcm->period_time); in snd_pcm_dump_hw_setup()
7773 [SND_PCM_HW_PARAM_PERIOD_TIME] = "period_time",
8797 unsigned int rrate, period_time; in snd_pcm_set_params() local
8858 period_time = latency / 4; in snd_pcm_set_params()
8860 &params, &period_time, NULL); in snd_pcm_set_params()
8863 period_time, s, snd_strerror(err)); in snd_pcm_set_params()
8905 period_time = latency / 4; in snd_pcm_set_params()
8907 &params, &period_time, NUL in snd_pcm_set_params()
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H A Dpcm_local.h212 unsigned int period_time; /* period duration */ member
H A Dpcm_params.c2424 INTERNAL(snd_pcm_hw_params_get_period_time)(params, &pcm->period_time, 0); in _snd_pcm_hw_params_internal()
/third_party/alsa-utils/speaker-test/
H A Dspeaker-test.c109 static unsigned int period_time = UINT_MAX; /* period time in us */ variable
511 if (period_time > 0) { in set_hwparams()
512 unsigned int tmp = period_time; in set_hwparams()
513 if (period_time > 0 && period_time < UINT_MAX) in set_hwparams()
514 printf(_("Requested period time %u us\n"), period_time); in set_hwparams()
533 if (! buffer_time && ! period_time) { in set_hwparams()
535 if (! period_time) in set_hwparams()
545 if (! buffer_time || ! period_time) { in set_hwparams()
1108 period_time in main()
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/third_party/alsa-lib/test/
H A Dpcm.c26 static unsigned int period_time = 100000; /* period time in us */ variable
163 err = snd_pcm_hw_params_set_period_time_near(handle, params, &period_time, &dir); in set_hwparams()
165 printf("Unable to set period time %u for playback: %s\n", period_time, snd_strerror(err)); in set_hwparams()
832 period_time = atoi(optarg); in main()
833 period_time = period_time < 1000 ? 1000 : period_time; in main()
834 period_time = period_time > 1000000 ? 1000000 : period_time; in main()
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/third_party/alsa-utils/bat/
H A Dalsa.c79 unsigned int period_time = 0; in set_snd_pcm_params() local
222 period_time = buffer_time / DIV_BUFFERTIME; in set_snd_pcm_params()
236 params, &period_time, 0); in set_snd_pcm_params()
240 period_time, in set_snd_pcm_params()
/third_party/alsa-utils/aplay/
H A Daplay.c120 static unsigned period_time = 0; variable
697 period_time = parse_long(optarg, &err);
1431 if (period_time == 0 && period_frames == 0) {
1433 period_time = buffer_time / 4;
1437 if (period_time > 0)
1439 &period_time, 0);

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