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alsa: implement enum_format

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This commit is contained in:
Wim Taymans 2017-04-04 19:44:00 +02:00
parent 698bddfbb6
commit 4bdbb58276
4 changed files with 114 additions and 96 deletions
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19
spa/plugins/alsa/alsa-utils.h
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@ -162,6 +162,25 @@ struct _SpaALSAState {
int64_t last_monotonic;
};
#define PROP(f,key,type,...) \
SPA_POD_PROP (f,key,0,type,1,__VA_ARGS__)
#define PROP_MM(f,key,type,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
#define PROP_U_MM(f,key,type,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
#define PROP_EN(f,key,type,n,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_RANGE_ENUM,type,n,__VA_ARGS__)
#define PROP_U_EN(f,key,type,n,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
SPA_POD_PROP_RANGE_ENUM,type,n,__VA_ARGS__)
SpaResult
spa_alsa_enum_format (SpaALSAState *state,
SpaFormat **format,
const SpaFormat *filter,
uint32_t index);
int spa_alsa_set_format (SpaALSAState *state,
SpaAudioInfo *info,
SpaPortFormatFlags flags);