On Wednesday 25 Feb 2009 18:13:47 Takashi Iwai wrote:
> > > diff --git a/src/pcm/pcm_hw.c b/src/pcm/pcm_hw.c
> > > index e9ce092..5211d1c 100644
> > > --- a/src/pcm/pcm_hw.c
> > > +++ b/src/pcm/pcm_hw.c
> > > @@ -131,6 +131,10 @@ struct timespec snd_pcm_hw_fast_tstamp(snd_pcm_t
> > > *pcm) static int sync_ptr1(snd_pcm_hw_t *hw, unsigned int flags)
> > > {
> > > int err;
> > > + long old_hwptr, new_hwptr;
> > > + long old_applptr, new_applptr;
> > > + old_hwptr = hw->sync_ptr->s.status.hw_ptr;
> > > + old_applptr = hw->sync_ptr->c.control.appl_ptr;
> > > hw->sync_ptr->flags = flags;
> > > err = ioctl((hw)->fd, SNDRV_PCM_IOCTL_SYNC_PTR,
> > > (hw)->sync_ptr); if (err < 0) {
> > > @@ -138,6 +142,11 @@ static int sync_ptr1(snd_pcm_hw_t *hw, unsigned
> > > int flags) SYSMSG("SNDRV_PCM_IOCTL_SYNC_PTR failed");
> > > return err;
> > > }
> > > + new_hwptr = hw->sync_ptr->s.status.hw_ptr;
> > > + new_applptr = hw->sync_ptr->c.control.appl_ptr;
> > > + printf("sync_ptr1: %ld(%ld), %ld(%ld)\n",
> > > + new_hwptr, new_hwptr - old_hwptr,
> > > + new_applptr, new_applptr - old_applptr);
> > > return 0;
> > > }
> > >
With sync_ptr I cannot reproduce the very large numbers. Here's a typical log.
(Attached).
Regards
Clive
--
Clive Messer <clive@xxxxxxxxxxxxxxxxx>
sync_ptr1: 0(0), 0(0)
sync_ptr1: 0(0), 0(0)
sync_ptr1: 0(0), 0(0)
sync_ptr1: 0(0), 0(0)
sync_ptr1: 0(0), 0(0)
sync_ptr1: 0(0), 1(1)
29091 29089 0 4416 0 4 1 2
sync_ptr1: 0(0), 1(0)
sync_ptr1: 0(0), 1(0)
sync_ptr1: 0(0), 2(1)
29102 29102 22 4415 0 4 1 2
sync_ptr1: 0(0), 2(0)
sync_ptr1: 0(0), 2(0)
sync_ptr1: 0(0), 3(1)
29109 29107 45 4414 0 4 1 2
sync_ptr1: 0(0), 3(0)
sync_ptr1: 0(0), 3(0)
sync_ptr1: 0(0), 4(1)
29113 29112 68 4413 0 4 1 2
sync_ptr1: 0(0), 4(0)
sync_ptr1: 0(0), 4(0)
sync_ptr1: 0(0), 5(1)
29116 29116 90 4412 0 4 1 2
sync_ptr1: 0(0), 5(0)
sync_ptr1: 0(0), 5(0)
sync_ptr1: 0(0), 6(1)
29119 29119 113 4411 0 4 1 2
sync_ptr1: 0(0), 6(0)
sync_ptr1: 0(0), 6(0)
sync_ptr1: 0(0), 7(1)
29122 29122 136 4410 0 4 1 2
sync_ptr1: 0(0), 7(0)
sync_ptr1: 0(0), 7(0)
sync_ptr1: 0(0), 8(1)
29125 29125 158 4409 0 4 1 2
sync_ptr1: 0(0), 8(0)
sync_ptr1: 0(0), 8(0)
sync_ptr1: 0(0), 9(1)
29129 29129 181 4408 0 4 1 2
sync_ptr1: 0(0), 9(0)
sync_ptr1: 0(0), 9(0)
sync_ptr1: 0(0), 10(1)
29132 29132 204 4407 0 4 1 2
sync_ptr1: 0(0), 10(0)
sync_ptr1: 0(0), 10(0)
sync_ptr1: 0(0), 11(1)
29135 29135 226 4406 0 4 1 2
sync_ptr1: 0(0), 11(0)
sync_ptr1: 0(0), 11(0)
sync_ptr1: 0(0), 12(1)
29138 29138 249 4405 0 4 1 2
sync_ptr1: 0(0), 12(0)
sync_ptr1: 0(0), 12(0)
sync_ptr1: 0(0), 13(1)
29141 29141 272 4404 0 4 1 2
sync_ptr1: 0(0), 13(0)
sync_ptr1: 0(0), 13(0)
sync_ptr1: 0(0), 14(1)
29145 29144 294 4403 0 4 1 2
sync_ptr1: 0(0), 14(0)
sync_ptr1: 0(0), 14(0)
sync_ptr1: 0(0), 15(1)
29148 29148 317 4402 0 4 1 2
sync_ptr1: 0(0), 15(0)
sync_ptr1: 0(0), 15(0)
sync_ptr1: 0(0), 16(1)
29151 29151 340 4401 0 4 1 2
sync_ptr1: 0(0), 16(0)
sync_ptr1: 0(0), 16(0)
sync_ptr1: 0(0), 17(1)
29154 29154 362 4400 0 4 1 2
sync_ptr1: 0(0), 17(0)
sync_ptr1: 0(0), 17(0)
sync_ptr1: 0(0), 18(1)
29157 29157 385 4399 0 4 1 2
sync_ptr1: 0(0), 18(0)
sync_ptr1: 0(0), 18(0)
sync_ptr1: 0(0), 19(1)
29160 29160 408 4398 0 4 1 2
sync_ptr1: 0(0), 19(0)
sync_ptr1: 0(0), 19(0)
sync_ptr1: 0(0), 20(1)
29163 29163 430 4397 0 4 1 2
sync_ptr1: 0(0), 20(0)
sync_ptr1: 0(0), 20(0)
sync_ptr1: 0(0), 21(1)
29167 29166 453 4396 0 4 1 2
sync_ptr1: 0(0), 21(0)
sync_ptr1: 0(0), 21(0)
sync_ptr1: 0(0), 22(1)
29170 29170 476 4395 0 4 1 2
sync_ptr1: 0(0), 22(0)
sync_ptr1: 0(0), 22(0)
sync_ptr1: 0(0), 23(1)
29173 29173 498 4394 0 4 1 2
sync_ptr1: 0(0), 23(0)
sync_ptr1: 0(0), 23(0)
sync_ptr1: 0(0), 24(1)
29176 29176 521 4393 0 4 1 2
sync_ptr1: 0(0), 24(0)
sync_ptr1: 0(0), 4397(0)
sync_ptr1: 0(0), 4397(0)
sync_ptr1: 0(0), 4398(1)
44834 44833 99705 19 0 0 1 2
sync_ptr1: 0(0), 4398(0)
sync_ptr1: 0(0), 4398(0)
sync_ptr1: 0(0), 4399(1)
44837 44837 99727 18 0 0 1 2
sync_ptr1: 0(0), 4399(0)
sync_ptr1: 0(0), 4399(0)
sync_ptr1: 0(0), 4400(1)
44840 44840 99750 17 0 0 1 2
sync_ptr1: 0(0), 4400(0)
sync_ptr1: 0(0), 4400(0)
sync_ptr1: 0(0), 4401(1)
44843 44843 99773 16 0 0 1 2
sync_ptr1: 0(0), 4401(0)
sync_ptr1: 0(0), 4401(0)
sync_ptr1: 0(0), 4402(1)
44847 44846 99795 15 0 0 1 2
sync_ptr1: 0(0), 4402(0)
sync_ptr1: 0(0), 4402(0)
sync_ptr1: 0(0), 4403(1)
44850 44850 99818 14 0 0 1 2
sync_ptr1: 0(0), 4403(0)
sync_ptr1: 0(0), 4403(0)
sync_ptr1: 0(0), 4404(1)
44853 44853 99841 13 0 0 1 2
sync_ptr1: 0(0), 4404(0)
sync_ptr1: 0(0), 4404(0)
sync_ptr1: 0(0), 4405(1)
44856 44856 99863 12 0 0 1 2
sync_ptr1: 0(0), 4405(0)
sync_ptr1: 0(0), 4405(0)
sync_ptr1: 0(0), 4406(1)
44860 44860 99886 11 0 0 1 2
sync_ptr1: 0(0), 4406(0)
sync_ptr1: 0(0), 4406(0)
sync_ptr1: 0(0), 4407(1)
44863 44863 99909 10 0 0 1 2
sync_ptr1: 0(0), 4407(0)
sync_ptr1: 0(0), 4407(0)
sync_ptr1: 0(0), 4408(1)
44866 44866 99931 9 0 0 1 2
sync_ptr1: 0(0), 4408(0)
sync_ptr1: 0(0), 4408(0)
sync_ptr1: 0(0), 4409(1)
44869 44869 99954 8 0 0 1 2
sync_ptr1: 0(0), 4409(0)
sync_ptr1: 0(0), 4409(0)
sync_ptr1: 0(0), 4410(1)
44873 44872 99977 7 0 0 1 2
sync_ptr1: 0(0), 4410(0)
sync_ptr1: 0(0), 4410(0)
sync_ptr1: 0(0), 4411(1)
44876 44876 100000 6 0 0 1 2
sync_ptr1: 0(0), 4411(0)
sync_ptr1: 0(0), 4411(0)
sync_ptr1: 0(0), 4412(1)
44879 44879 100022 5 0 0 1 2
sync_ptr1: 0(0), 4412(0)
sync_ptr1: 0(0), 4412(0)
sync_ptr1: 0(0), 4413(1)
44888 44888 100045 4 0 0 1 2
sync_ptr1: 0(0), 4413(0)
sync_ptr1: 0(0), 4413(0)
sync_ptr1: 0(0), 4414(1)
44892 44892 100068 3 0 0 1 2
sync_ptr1: 0(0), 4414(0)
sync_ptr1: 0(0), 4414(0)
sync_ptr1: 0(0), 4415(1)
44895 44895 100090 2 0 0 1 2
sync_ptr1: 0(0), 4415(0)
sync_ptr1: 0(0), 4415(0)
sync_ptr1: 0(0), 4416(1)
44898 44898 100113 1 0 0 1 2
sync_ptr1: 3632(3632), 4416(0)
sync_ptr1: 3632(0), 4416(0)
sync_ptr1: 3632(0), 4417(1)
44905 44904 82358 3632 784 0 1 3
sync_ptr1: 3632(0), 4417(0)
sync_ptr1: 3632(0), 4417(0)
sync_ptr1: 3632(0), 4418(1)
44908 44908 82358 3631 785 4 1 3
sync_ptr1: 3632(0), 4418(0)
sync_ptr1: 3632(0), 4418(0)
sync_ptr1: 3632(0), 4419(1)
44912 44912 82358 3630 786 4 1 3
sync_ptr1: 3632(0), 4419(0)
sync_ptr1: 3632(0), 4419(0)
sync_ptr1: 3632(0), 4420(1)
44915 44915 82358 3629 787 4 1 3
sync_ptr1: 3632(0), 4420(0)
sync_ptr1: 3632(0), 4420(0)
sync_ptr1: 4464(832), 4421(1)
44919 44919 101224 3628 -44 4 1 3
sync_ptr1: 4464(0), 4421(0)
sync_ptr1: 4464(0), 4421(0)
sync_ptr1: 4464(0), 4422(1)
44923 44922 101224 4459 -43 4 1 3
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