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Added support for auto mmap. Much improved version of pcm_share (without async signals)

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This commit is contained in:
Abramo Bagnara 2000-10-20 09:18:13 +00:00
parent 8d3919707e
commit 9a435c2d93
14 changed files with 621 additions and 328 deletions
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4
src/pcm/pcm_plug.c
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@ -323,7 +323,6 @@ static int snd_pcm_plug_change_rate(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm_for
err = snd_pcm_rate_open(new, NULL, slv->sfmt, slv->rate, plug->slave, plug->slave != plug->req_slave);
if (err < 0)
return err;
(*new)->mmap_auto = 1;
slv->rate = clt->rate;
if (snd_pcm_format_linear(clt->sfmt))
slv->sfmt = clt->sfmt;
@ -388,7 +387,6 @@ static int snd_pcm_plug_change_channels(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm
err = snd_pcm_route_open(new, NULL, slv->sfmt, slv->channels, ttable, tt_ssize, tt_cused, tt_sused, plug->slave, plug->slave != plug->req_slave);
if (err < 0)
return err;
(*new)->mmap_auto = 1;
slv->channels = clt->channels;
if (snd_pcm_format_linear(clt->sfmt))
slv->sfmt = clt->sfmt;
@ -453,7 +451,6 @@ static int snd_pcm_plug_change_format(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm_f
err = f(new, NULL, slv->sfmt, plug->slave, plug->slave != plug->req_slave);
if (err < 0)
return err;
(*new)->mmap_auto = 1;
slv->sfmt = cfmt;
return 1;
}
@ -492,7 +489,6 @@ static int snd_pcm_plug_insert_plugins(snd_pcm_t *pcm,
}
k++;
}
plug->slave->mmap_auto = 0;
assert(0);
return 0;
}