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alsa: filter formats

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This commit is contained in:
Wim Taymans 2017-04-05 20:46:57 +02:00
parent 8594d28f59
commit 3adbaacec2
1 changed files with 11 additions and 5 deletions
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16
spa/plugins/alsa/alsa-utils.c
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@ -121,9 +121,12 @@ spa_alsa_enum_format (SpaALSAState *state,
snd_pcm_format_mask_t *fmask;
int err, i, j, dir;
unsigned int min, max;
SpaPODBuilder b = { NULL, };
uint8_t buffer[4096];
SpaPODBuilder b = SPA_POD_BUILDER_INIT (buffer, sizeof (buffer));
SpaPODFrame f[2];
SpaPODProp *prop;
SpaFormat *fmt;
SpaResult res;
if (index == 1)
return SPA_RESULT_ENUM_END;
@ -135,8 +138,6 @@ spa_alsa_enum_format (SpaALSAState *state,
snd_pcm_hw_params_alloca (&params);
CHECK (snd_pcm_hw_params_any (hndl, params), "Broken configuration: no configurations available");
spa_pod_builder_init (&b, state->format_buffer, sizeof (state->format_buffer));
spa_pod_builder_push_format (&b, &f[0], state->type.format,
state->type.media_type.audio,
state->type.media_subtype.raw);
@ -194,10 +195,15 @@ spa_alsa_enum_format (SpaALSAState *state,
prop->body.flags |= SPA_POD_PROP_RANGE_MIN_MAX | SPA_POD_PROP_FLAG_UNSET;
}
spa_pod_builder_pop (&b, &f[1]);
spa_pod_builder_pop (&b, &f[0]);
*format = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaFormat);
fmt = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaFormat);
spa_pod_builder_init (&b, state->format_buffer, sizeof (state->format_buffer));
if ((res = spa_format_filter (fmt, filter, &b)) < 0)
return res;
*format = SPA_POD_BUILDER_DEREF (&b, 0, SpaFormat);
return SPA_RESULT_OK;
}