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Implement control streams

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spa_io_control_range -> spa_io_range
Add helpers for sequence and control pod objects
Implement control properties in audiotestsrc, update test example.
This commit is contained in:
Wim Taymans 2018-08-28 18:16:41 +02:00
parent 90c1a95eef
commit c9526dc2bb
21 changed files with 289 additions and 272 deletions
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12
spa/include/spa/node/io.h
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@ -36,10 +36,11 @@ extern "C" {
/** Different IO area types */
enum spa_io_type {
SPA_IO_Buffers,
SPA_IO_ControlRange,
SPA_IO_Range,
SPA_IO_Clock,
SPA_IO_Latency,
SPA_IO_Events,
SPA_IO_Control,
SPA_IO_Notify,
};
struct spa_io_buffers {
@ -56,7 +57,7 @@ struct spa_io_buffers {
#define SPA_IO_BUFFERS_INIT (struct spa_io_buffers) { SPA_STATUS_OK, SPA_ID_INVALID, }
/** A range, suitable for input ports that can suggest a range to output ports */
struct spa_io_control_range {
struct spa_io_range {
uint64_t offset; /**< offset in range */
uint32_t min_size; /**< minimum size of data */
uint32_t max_size; /**< maximum size of data */
@ -79,11 +80,12 @@ struct spa_io_latency {
uint64_t max; /**< max latency */
};
/** event stream */
struct spa_io_events {
/** control stream */
struct spa_io_sequence {
struct spa_pod_sequence sequence; /**< sequence of timed events */
};
#ifdef __cplusplus
} /* extern "C" */
#endif