mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-07 13:30:09 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

avb: more work

Browse source 
Implement generic MRP parsing.
Implement more MRP messages.
Implement MRP timeouts.
Implement MRP join/leave.
Prepare for generating and sending MRP packets.
This commit is contained in:
Wim Taymans 2022-03-23 19:57:25 +01:00
parent 0efc02cea6
commit f64f8cdd4d
11 changed files with 707 additions and 137 deletions
Download patch file Download diff file Expand all files Collapse all files

57
src/modules/module-avbtp/mrp.h
View file

@ -33,6 +33,11 @@ struct avbtp_packet_mrp {
uint8_t version;
} __attribute__ ((__packed__));
struct avbtp_packet_mrp_hdr {
uint8_t attribute_type;
uint8_t attribute_length;
} __attribute__ ((__packed__));
struct avbtp_packet_mrp_vector {
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned lva:3;
@ -104,37 +109,63 @@ struct avbtp_packet_mrp_footer {
#define AVBTP_PENDING_JOIN (1u<<1)
#define AVBTP_PENDING_LEAVE (1u<<2)
struct avbtp_mrp_events {
#define AVBTP_VERSION_MRP_ATTRIBUTE_CALLBACKS 0
uint32_t version;
int (*tx_event) (void *data, uint8_t event, bool start);
};
struct avbtp_mrp_attribute {
uint16_t domain;
uint8_t type;
uint8_t param;
void *user_data;
};
struct avbtp_mrp_attribute_methods {
#define AVBTP_VERSION_ATTRIBUTE_METHODS 0
struct avbtp_mrp_attribute_callbacks {
#define AVBTP_VERSION_MRP_ATTRIBUTE_CALLBACKS 0
uint32_t version;
int (*compare) (void *data, struct avbtp_mrp_attribute *a, struct avbtp_mrp_attribute *b);
int (*merge) (void *data, struct avbtp_mrp_attribute *a, uint8_t *msg, int vector);
int (*merge) (void *data, struct avbtp_mrp_attribute *a, int vector);
};
struct avbtp_mrp_parse_info {
#define AVBTP_VERSION_MRP_PARSE_INFO 0
uint32_t version;
bool (*check_header) (void *data, const void *hdr, size_t *hdr_size, bool *has_params);
int (*attr_event) (void *data, uint64_t now, uint8_t attribute_type, uint8_t event);
int (*process) (void *data, uint64_t now, uint8_t attribute_type, const void *value,
uint8_t event, uint8_t param, int index);
};
int avbtp_mrp_parse_packet(struct avbtp_mrp *mrp, uint64_t now, const void *pkt, int size,
const struct avbtp_mrp_parse_info *cb, void *data);
struct avbtp_mrp_attribute *avbtp_mrp_attribute_new(struct avbtp_mrp *mrp,
uint8_t type, uint8_t param,
struct avbtp_mrp_attribute_methods *methods, void *data,
const struct avbtp_mrp_attribute_callbacks *cb, void *data,
size_t user_size);
void avbtp_mrp_update_state(struct avbtp_mrp *mrp,
struct avbtp_mrp_attribute *attr, int event, uint8_t param);
void avbtp_mrp_update_state(struct avbtp_mrp *mrp, uint64_t now,
struct avbtp_mrp_attribute *attr, int event);
void avbtp_mrp_event(struct avbtp_mrp *mrp, struct avbtp_mrp_attribute *attr,
uint8_t event, uint8_t param);
void avbtp_mrp_rx_event(struct avbtp_mrp *mrp, uint64_t now,
struct avbtp_mrp_attribute *attr, uint8_t event);
void avbtp_mrp_mad_begin(struct avbtp_mrp *mrp, struct avbtp_mrp_attribute *attr);
void avbtp_mrp_mad_join(struct avbtp_mrp *mrp, struct avbtp_mrp_attribute *attr, bool is_new);
void avbtp_mrp_mad_leave(struct avbtp_mrp *mrp, struct avbtp_mrp_attribute *attr);
void avbtp_mrp_mad_begin(struct avbtp_mrp *mrp, uint64_t now, struct avbtp_mrp_attribute *attr);
void avbtp_mrp_mad_join(struct avbtp_mrp *mrp, uint64_t now, struct avbtp_mrp_attribute *attr, bool is_new);
void avbtp_mrp_mad_leave(struct avbtp_mrp *mrp, uint64_t now, struct avbtp_mrp_attribute *attr);
struct avbtp_mrp *avbtp_mrp_new(struct server *server);
void avbtp_mrp_destroy(struct avbtp_mrp *mrp);
void avbtp_mrp_add_listener(struct avbtp_mrp *mrp, struct spa_hook *listener,
const struct avbtp_mrp_events *events, void *data);
#endif /* AVBTP_MRP_H */