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param-io: work on IO parameters

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Reorganize the io parameter ids and objects. Make separate enumerations
for buffer, control, input and output properties.
Add a volume output property to export-source. This is still unused
but will eventually be routed to a PropsIn io area where it can
control the volume of a mixer, for example.
This commit is contained in:
Wim Taymans 2017-11-29 13:25:56 +01:00
parent ada3698355
commit 425073afd8
12 changed files with 240 additions and 124 deletions
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16
spa/include/spa/node/io.h
View file

@ -34,13 +34,9 @@ extern "C" {
#define SPA_TYPE_IO__Control SPA_TYPE_IO_BASE "Control"
#define SPA_TYPE_IO_CONTROL_BASE SPA_TYPE_IO__Control ":"
/** Base for controlable input properties */
#define SPA_TYPE_IO__InputProp SPA_TYPE_IO_BASE "InputProp"
#define SPA_TYPE_IO_INPUT_PROP_BASE SPA_TYPE_IO__InputProp ":"
/** Base for controlable output properties */
#define SPA_TYPE_IO__OutputProp SPA_TYPE_IO_BASE "OutputProp"
#define SPA_TYPE_IO_OUTPUT_PROP_BASE SPA_TYPE_IO__OutputProp ":"
/** Base for controlable properties */
#define SPA_TYPE_IO__Prop SPA_TYPE_IO_BASE "Prop"
#define SPA_TYPE_IO_PROP_BASE SPA_TYPE_IO__Prop ":"
/** An io area to exchange buffers with a port */
#define SPA_TYPE_IO__Buffers SPA_TYPE_IO_BASE "Buffers"
@ -76,8 +72,7 @@ struct spa_io_control_range {
struct spa_type_io {
uint32_t Buffers;
uint32_t ControlRange;
uint32_t InputProp;
uint32_t OutputProp;
uint32_t Prop;
};
static inline void spa_type_io_map(struct spa_type_map *map, struct spa_type_io *type)
@ -85,8 +80,7 @@ static inline void spa_type_io_map(struct spa_type_map *map, struct spa_type_io
if (type->Buffers == 0) {
type->Buffers = spa_type_map_get_id(map, SPA_TYPE_IO__Buffers);
type->ControlRange = spa_type_map_get_id(map, SPA_TYPE_IO_CONTROL__Range);
type->InputProp = spa_type_map_get_id(map, SPA_TYPE_IO__InputProp);
type->OutputProp = spa_type_map_get_id(map, SPA_TYPE_IO__OutputProp);
type->Prop = spa_type_map_get_id(map, SPA_TYPE_IO__Prop);
}
}

8
spa/include/spa/node/node.h
View file

@ -48,11 +48,11 @@ struct spa_port_info {
#define SPA_PORT_INFO_FLAG_OPTIONAL (1<<1) /**< processing on port is optional */
#define SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS (1<<2) /**< the port can allocate buffer data */
#define SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS (1<<3) /**< the port can use a provided buffer */
#define SPA_PORT_INFO_FLAG_IN_PLACE (1<<4) /**< the port can process data in-place and will need
* a writable input buffer */
#define SPA_PORT_INFO_FLAG_IN_PLACE (1<<4) /**< the port can process data in-place and
* will need a writable input buffer */
#define SPA_PORT_INFO_FLAG_NO_REF (1<<5) /**< the port does not keep a ref on the buffer */
#define SPA_PORT_INFO_FLAG_LIVE (1<<6) /**< output buffers from this port are timestamped against
* a live clock. */
#define SPA_PORT_INFO_FLAG_LIVE (1<<6) /**< output buffers from this port are
* timestamped against a live clock. */
uint32_t flags; /**< port flags */
uint32_t rate; /**< rate of sequence numbers on port */
const struct spa_dict *props; /**< extra port properties */