v0: improve compatibility

Implement RequestClockUpdate event and ClockUpdate message for
old clients.
This commit is contained in:
Wim Taymans 2020-02-11 11:23:28 +01:00
parent c12f2276c4
commit 293932d4ec
7 changed files with 152 additions and 21 deletions

View file

@ -29,6 +29,7 @@
#include <spa/node/node.h>
#include <spa/node/utils.h>
#include <spa/node/io.h>
#include <spa/pod/filter.h>
#include <spa/utils/keys.h>
@ -65,6 +66,9 @@
#define CHECK_PORT_BUFFER(this,b,p) (b < p->n_buffers)
extern uint32_t pw_protocol_native0_type_from_v2(struct pw_impl_client *client, uint32_t type);
extern uint32_t pw_protocol_native0_name_to_v2(struct pw_impl_client *client, const char *name);
struct mem {
uint32_t id;
int ref;
@ -111,6 +115,8 @@ struct node {
struct spa_hook_list hooks;
struct spa_callbacks callbacks;
struct spa_io_position *position;
struct pw_resource *resource;
struct spa_source data_source;
@ -310,7 +316,20 @@ static int impl_node_set_param(void *object, uint32_t id, uint32_t flags,
static int impl_node_set_io(void *object, uint32_t id, void *data, size_t size)
{
return -ENOTSUP;
struct node *this = object;
int res;
spa_return_val_if_fail(this != NULL, -EINVAL);
switch(id) {
case SPA_IO_Position:
this->position = data;
break;
default:
res = -ENOTSUP;
break;
}
return res;
}
static inline void do_flush(struct node *this)
@ -320,6 +339,36 @@ static inline void do_flush(struct node *this)
}
static int send_clock_update(struct node *this)
{
struct pw_impl_client *client = this->resource->client;
uint32_t type = pw_protocol_native0_name_to_v2(client, SPA_TYPE_INFO_NODE_COMMAND_BASE "ClockUpdate");
struct timespec ts;
int64_t now;
clock_gettime(CLOCK_MONOTONIC, &ts);
now = SPA_TIMESPEC_TO_NSEC(&ts);
pw_log_trace(NAME " %p: now %"PRIi64, this, now);
struct spa_command_node0_clock_update cu =
SPA_COMMAND_NODE0_CLOCK_UPDATE_INIT(type,
SPA_COMMAND_NODE0_CLOCK_UPDATE_TIME |
SPA_COMMAND_NODE0_CLOCK_UPDATE_SCALE |
SPA_COMMAND_NODE0_CLOCK_UPDATE_STATE |
SPA_COMMAND_NODE0_CLOCK_UPDATE_LATENCY, /* change_mask */
SPA_USEC_PER_SEC, /* rate */
now / SPA_NSEC_PER_USEC, /* ticks */
now, /* monotonic_time */
0, /* offset */
(1 << 16) | 1, /* scale */
SPA_CLOCK0_STATE_RUNNING, /* state */
SPA_COMMAND_NODE0_CLOCK_UPDATE_FLAG_LIVE, /* flags */
0); /* latency */
pw_client_node0_resource_command(this->resource, this->seq, (const struct spa_command*)&cu);
return SPA_RESULT_RETURN_ASYNC(this->seq++);
}
static int impl_node_send_command(void *object, const struct spa_command *command)
{
struct node *this = object;
@ -330,6 +379,10 @@ static int impl_node_send_command(void *object, const struct spa_command *comman
if (this->resource == NULL)
return -EIO;
if (SPA_NODE_COMMAND_ID(command) == SPA_NODE_COMMAND_Start) {
send_clock_update(this);
}
pw_client_node0_resource_command(this->resource, this->seq, command);
return SPA_RESULT_RETURN_ASYNC(this->seq++);
}
@ -365,8 +418,6 @@ impl_node_sync(void *object, int seq)
return this->init_pending;
}
extern uint32_t pw_protocol_native0_type_from_v2(struct pw_impl_client *client, uint32_t type);
extern uint32_t pw_protocol_native0_type_to_v2(struct pw_impl_client *client, uint32_t type);
extern struct spa_pod *pw_protocol_native0_pod_from_v2(struct pw_impl_client *client, const struct spa_pod *pod);
extern int pw_protocol_native0_pod_to_v2(struct pw_impl_client *client, const struct spa_pod *pod,
@ -1015,8 +1066,15 @@ static void client_node0_event(void *data, struct spa_event *event)
{
struct impl *impl = data;
struct node *this = &impl->node;
switch (SPA_EVENT_TYPE(event)) {
case SPA_NODE0_EVENT_RequestClockUpdate:
send_clock_update(this);
break;
default:
spa_node_emit_event(&this->hooks, event);
}
}
static struct pw_client_node0_methods client_node0_methods = {
PW_VERSION_CLIENT_NODE0_METHODS,

View file

@ -28,6 +28,50 @@
extern "C" {
#endif
/** The state of the clock */
enum spa_clock0_state {
SPA_CLOCK0_STATE_STOPPED, /*< the clock is stopped */
SPA_CLOCK0_STATE_PAUSED, /*< the clock is paused */
SPA_CLOCK0_STATE_RUNNING, /*< the clock is running */
};
struct spa_command_node0_clock_update_body {
struct spa_pod_object_body body;
#define SPA_COMMAND_NODE0_CLOCK_UPDATE_TIME (1 << 0)
#define SPA_COMMAND_NODE0_CLOCK_UPDATE_SCALE (1 << 1)
#define SPA_COMMAND_NODE0_CLOCK_UPDATE_STATE (1 << 2)
#define SPA_COMMAND_NODE0_CLOCK_UPDATE_LATENCY (1 << 3)
struct spa_pod_int change_mask SPA_ALIGNED(8);
struct spa_pod_int rate SPA_ALIGNED(8);
struct spa_pod_long ticks SPA_ALIGNED(8);
struct spa_pod_long monotonic_time SPA_ALIGNED(8);
struct spa_pod_long offset SPA_ALIGNED(8);
struct spa_pod_int scale SPA_ALIGNED(8);
struct spa_pod_int state SPA_ALIGNED(8);
#define SPA_COMMAND_NODE0_CLOCK_UPDATE_FLAG_LIVE (1 << 0)
struct spa_pod_int flags SPA_ALIGNED(8);
struct spa_pod_long latency SPA_ALIGNED(8);
};
struct spa_command_node0_clock_update {
struct spa_pod pod;
struct spa_command_node0_clock_update_body body;
};
#define SPA_COMMAND_NODE0_CLOCK_UPDATE_INIT(type,change_mask,rate,ticks,monotonic_time,offset,scale,state,flags,latency) \
SPA_COMMAND_INIT_FULL(struct spa_command_node0_clock_update, \
sizeof(struct spa_command_node0_clock_update_body), 0, type, \
SPA_POD_INIT_Int(change_mask), \
SPA_POD_INIT_Int(rate), \
SPA_POD_INIT_Long(ticks), \
SPA_POD_INIT_Long(monotonic_time), \
SPA_POD_INIT_Long(offset), \
SPA_POD_INIT_Int(scale), \
SPA_POD_INIT_Int(state), \
SPA_POD_INIT_Int(flags), \
SPA_POD_INIT_Long(latency))
/** \class pw_impl_client_node0
*
* PipeWire client node interface

View file

@ -36,6 +36,8 @@
extern uint32_t pw_protocol_native0_find_type(struct pw_impl_client *client, const char *type);
extern int pw_protocol_native0_pod_to_v2(struct pw_impl_client *client, const struct spa_pod *pod,
struct spa_pod_builder *b);
extern struct spa_pod * pw_protocol_native0_pod_from_v2(struct pw_impl_client *client,
const struct spa_pod *pod);
extern uint32_t pw_protocol_native0_type_to_v2(struct pw_impl_client *client,
const struct spa_type_info *info, uint32_t type);
@ -137,6 +139,9 @@ client_node_marshal_command(void *object, uint32_t seq, const struct spa_command
spa_pod_builder_push_struct(b, &f);
spa_pod_builder_add(b, "i", seq, NULL);
if (SPA_COMMAND_TYPE(command) == 0)
spa_pod_builder_add(b, "P", command, NULL);
else
pw_protocol_native0_pod_to_v2(client, (struct spa_pod *)command, b);
spa_pod_builder_pop(b, &f);
@ -440,15 +445,22 @@ static int client_node_demarshal_set_active(void *object, const struct pw_protoc
static int client_node_demarshal_event_method(void *object, const struct pw_protocol_native_message *msg)
{
struct pw_resource *resource = object;
struct pw_impl_client *client = pw_resource_get_client(resource);
struct spa_pod_parser prs;
struct spa_event *event;
int res;
spa_pod_parser_init(&prs, msg->data, msg->size);
if (spa_pod_parser_get_struct(&prs,
"O", &event) < 0)
return -EINVAL;
return pw_resource_notify(resource, struct pw_client_node0_methods, event, 0, event);
event = (struct spa_event*)pw_protocol_native0_pod_from_v2(client, (struct spa_pod *)event);
res = pw_resource_notify(resource, struct pw_client_node0_methods, event, 0, event);
free(event);
return res;
}
static int client_node_demarshal_destroy(void *object, const struct pw_protocol_native_message *msg)

View file

@ -350,16 +350,9 @@ const char * pw_protocol_native0_name_from_v2(struct pw_impl_client *client, uin
}
SPA_EXPORT
uint32_t pw_protocol_native0_type_to_v2(struct pw_impl_client *client,
const struct spa_type_info *info, uint32_t type)
uint32_t pw_protocol_native0_name_to_v2(struct pw_impl_client *client, const char *name)
{
uint32_t i;
const char *name;
/** find full name of type in type_info */
if ((name = spa_debug_type_find_name(info, type)) == NULL)
return SPA_ID_INVALID;
/* match name to type table and return index */
for (i = 0; i < SPA_N_ELEMENTS(type_map); i++) {
if (type_map[i].name != NULL && !strcmp(type_map[i].name, name))
@ -368,6 +361,19 @@ uint32_t pw_protocol_native0_type_to_v2(struct pw_impl_client *client,
return SPA_ID_INVALID;
}
SPA_EXPORT
uint32_t pw_protocol_native0_type_to_v2(struct pw_impl_client *client,
const struct spa_type_info *info, uint32_t type)
{
const char *name;
/** find full name of type in type_info */
if ((name = spa_debug_type_find_name(info, type)) == NULL)
return SPA_ID_INVALID;
return pw_protocol_native0_name_to_v2(client, name);
}
struct spa_pod_prop_body0 {
uint32_t key;
#define SPA_POD_PROP0_RANGE_NONE 0 /**< no range */
@ -540,7 +546,8 @@ static int remap_to_v2(struct pw_impl_client *client, const struct spa_type_info
ti = spa_debug_type_find(info, b->type);
ii = ti ? spa_debug_type_find(ti->values, 0) : NULL;
if (b->type == SPA_TYPE_COMMAND_Node) {
if (b->type == SPA_TYPE_COMMAND_Node ||
b->type == SPA_TYPE_EVENT_Node) {
spa_pod_builder_push_object(builder, &f[0], 0,
pw_protocol_native0_type_to_v2(client, ii ? ii->values : NULL, b->id));
} else {
@ -654,7 +661,6 @@ struct spa_pod * pw_protocol_native0_pod_from_v2(struct pw_impl_client *client,
return NULL;
}
copy = spa_pod_copy(b.data);
spa_debug_pod(0, NULL, copy);
return copy;
}

View file

@ -60,10 +60,10 @@ const struct type_info {
{ "Spa:Enum:DataType:MemPtr", SPA_TYPE_INFO_DATA_BASE "MemPtr", SPA_DATA_MemPtr, },
{ "Spa:Enum:DataType:Fd:MemFd", SPA_TYPE_INFO_DATA_FD_BASE "MemFd", SPA_DATA_MemFd, },
{ "Spa:Enum:DataType:Fd:DmaBuf", SPA_TYPE_INFO_DATA_FD_BASE "DmaBuf", SPA_DATA_DmaBuf, },
{ "Spa:POD:Object:Event:Node:Error", },
{ "Spa:POD:Object:Event:Node:Buffering", },
{ "Spa:POD:Object:Event:Node:RequestRefresh", },
{ "Spa:POD:Object:Event:Node:RequestClockUpdate", },
{ "Spa:POD:Object:Event:Node:Error", SPA_TYPE_INFO_NODE_EVENT_BASE "Error", SPA_NODE_EVENT_Error, },
{ "Spa:POD:Object:Event:Node:Buffering", SPA_TYPE_INFO_NODE_EVENT_BASE "Buffering", SPA_NODE_EVENT_Buffering, },
{ "Spa:POD:Object:Event:Node:RequestRefresh", SPA_TYPE_INFO_NODE_EVENT_BASE "RequestRefresh", SPA_NODE_EVENT_RequestRefresh, },
{ "Spa:POD:Object:Event:Node:RequestClockUpdate", SPA_TYPE_INFO_NODE_EVENT_BASE "RequestClockUpdate", SPA_NODE0_EVENT_RequestClockUpdate, },
{ "Spa:POD:Object:Command:Node", SPA_TYPE_INFO_COMMAND_BASE "Node", SPA_TYPE_COMMAND_Node,},
{ "Spa:POD:Object:Command:Node:Suspend", SPA_TYPE_INFO_NODE_COMMAND_BASE "Suspend", SPA_NODE_COMMAND_Suspend,},
{ "Spa:POD:Object:Command:Node:Pause", SPA_TYPE_INFO_NODE_COMMAND_BASE "Pause", SPA_NODE_COMMAND_Pause, },
@ -73,7 +73,7 @@ const struct type_info {
{ "Spa:POD:Object:Command:Node:Flush", SPA_TYPE_INFO_NODE_COMMAND_BASE "Flush", SPA_NODE_COMMAND_Flush, },
{ "Spa:POD:Object:Command:Node:Drain", SPA_TYPE_INFO_NODE_COMMAND_BASE "Drain", SPA_NODE_COMMAND_Drain, },
{ "Spa:POD:Object:Command:Node:Marker", SPA_TYPE_INFO_NODE_COMMAND_BASE "Marker", SPA_NODE_COMMAND_Marker, },
{ "Spa:POD:Object:Command:Node:ClockUpdate", },
{ "Spa:POD:Object:Command:Node:ClockUpdate", SPA_TYPE_INFO_NODE_COMMAND_BASE "ClockUpdate", SPA_NODE0_COMMAND_ClockUpdate, },
{ "Spa:POD:Object:Event:Monitor:Added", },
{ "Spa:POD:Object:Event:Monitor:Removed", },
{ "Spa:POD:Object:Event:Monitor:Changed", },

View file

@ -1204,6 +1204,7 @@ static void node_event(void *data, const struct spa_event *event)
node_update_state(node, PW_NODE_STATE_ERROR, strdup("error"));
break;
default:
pw_log_debug("unhandled event");
break;
}
pw_impl_node_emit_event(node, event);

View file

@ -97,6 +97,16 @@ typedef uint32_t (*pw_permission_func_t) (struct pw_global *global,
#define pw_impl_client_emit_resource_removed(o,r) pw_impl_client_emit(o, resource_removed, 0, r)
#define pw_impl_client_emit_busy_changed(o,b) pw_impl_client_emit(o, busy_changed, 0, b)
enum spa_node0_event {
SPA_NODE0_EVENT_START = SPA_TYPE_VENDOR_PipeWire,
SPA_NODE0_EVENT_RequestClockUpdate,
};
enum spa_node0_command {
SPA_NODE0_COMMAND_START = SPA_TYPE_VENDOR_PipeWire,
SPA_NODE0_COMMAND_ClockUpdate,
};
struct protocol_compat_v2 {
/* v2 typemap */
struct pw_map types;