Add plugin API

Add plugin api, define a factory and methods for introspecting
interfaces.
This commit is contained in:
Wim Taymans 2016-06-09 13:06:35 +02:00
parent 6377b9bd12
commit b8f6e99537
9 changed files with 386 additions and 281 deletions

View file

@ -87,7 +87,8 @@ struct _ALSABuffer {
};
struct _SpiALSASink {
SpiNode node;
SpiHandle handle;
SpiNode node;
SpiALSASinkParams params;
@ -288,7 +289,7 @@ get_param (const SpiParams *params,
static SpiResult
spi_alsa_sink_node_get_params (SpiNode *node,
spi_alsa_sink_node_get_params (SpiHandle *node,
SpiParams **params)
{
static SpiALSASinkParams p;
@ -304,7 +305,7 @@ spi_alsa_sink_node_get_params (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_set_params (SpiNode *node,
spi_alsa_sink_node_set_params (SpiHandle *node,
const SpiParams *params)
{
SpiALSASink *this = (SpiALSASink *) node;
@ -345,7 +346,7 @@ spi_alsa_sink_node_set_params (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_send_command (SpiNode *node,
spi_alsa_sink_node_send_command (SpiHandle *node,
SpiCommand *command)
{
SpiALSASink *this = (SpiALSASink *) node;
@ -408,7 +409,7 @@ spi_alsa_sink_node_send_command (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_set_event_callback (SpiNode *node,
spi_alsa_sink_node_set_event_callback (SpiHandle *node,
SpiEventCallback event,
void *user_data)
{
@ -424,7 +425,7 @@ spi_alsa_sink_node_set_event_callback (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_get_n_ports (SpiNode *node,
spi_alsa_sink_node_get_n_ports (SpiHandle *node,
unsigned int *n_input_ports,
unsigned int *max_input_ports,
unsigned int *n_output_ports,
@ -446,7 +447,7 @@ spi_alsa_sink_node_get_n_ports (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_get_port_ids (SpiNode *node,
spi_alsa_sink_node_get_port_ids (SpiHandle *node,
unsigned int n_input_ports,
uint32_t *input_ids,
unsigned int n_output_ports,
@ -463,7 +464,7 @@ spi_alsa_sink_node_get_port_ids (SpiNode *node,
static SpiResult
spi_alsa_sink_node_add_port (SpiNode *node,
spi_alsa_sink_node_add_port (SpiHandle *node,
SpiDirection direction,
uint32_t *port_id)
{
@ -471,7 +472,7 @@ spi_alsa_sink_node_add_port (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_remove_port (SpiNode *node,
spi_alsa_sink_node_remove_port (SpiHandle *node,
uint32_t port_id)
{
return SPI_RESULT_NOT_IMPLEMENTED;
@ -757,7 +758,7 @@ get_format_param (const SpiParams *params,
static SpiResult
spi_alsa_sink_node_enum_port_formats (SpiNode *node,
spi_alsa_sink_node_enum_port_formats (SpiHandle *node,
uint32_t port_id,
unsigned int index,
SpiParams **format)
@ -796,7 +797,7 @@ spi_alsa_sink_node_enum_port_formats (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_set_port_format (SpiNode *node,
spi_alsa_sink_node_set_port_format (SpiHandle *node,
uint32_t port_id,
int test_only,
const SpiParams *format)
@ -871,7 +872,7 @@ spi_alsa_sink_node_set_port_format (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_get_port_format (SpiNode *node,
spi_alsa_sink_node_get_port_format (SpiHandle *node,
uint32_t port_id,
const SpiParams **format)
{
@ -892,7 +893,7 @@ spi_alsa_sink_node_get_port_format (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_get_port_info (SpiNode *node,
spi_alsa_sink_node_get_port_info (SpiHandle *node,
uint32_t port_id,
SpiPortInfo *info)
{
@ -908,7 +909,7 @@ spi_alsa_sink_node_get_port_info (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_get_port_params (SpiNode *node,
spi_alsa_sink_node_get_port_params (SpiHandle *node,
uint32_t port_id,
SpiParams **params)
{
@ -916,7 +917,7 @@ spi_alsa_sink_node_get_port_params (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_set_port_params (SpiNode *node,
spi_alsa_sink_node_set_port_params (SpiHandle *node,
uint32_t port_id,
const SpiParams *params)
{
@ -924,7 +925,7 @@ spi_alsa_sink_node_set_port_params (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_get_port_status (SpiNode *node,
spi_alsa_sink_node_get_port_status (SpiHandle *node,
uint32_t port_id,
SpiPortStatus *status)
{
@ -940,7 +941,7 @@ spi_alsa_sink_node_get_port_status (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_push_port_input (SpiNode *node,
spi_alsa_sink_node_push_port_input (SpiHandle *node,
unsigned int n_info,
SpiInputInfo *info)
{
@ -983,7 +984,7 @@ spi_alsa_sink_node_push_port_input (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_pull_port_output (SpiNode *node,
spi_alsa_sink_node_pull_port_output (SpiHandle *node,
unsigned int n_info,
SpiOutputInfo *info)
{
@ -991,31 +992,43 @@ spi_alsa_sink_node_pull_port_output (SpiNode *node,
}
static SpiResult
spi_alsa_sink_node_enum_interface_info (SpiNode *node,
unsigned int index,
const SpiInterfaceInfo **info)
spi_alsa_sink_get_interface (SpiHandle *handle,
uint32_t interface_id,
void **interface)
{
return SPI_RESULT_NOT_IMPLEMENTED;
}
SpiALSASink *this = (SpiALSASink *) handle;
static SpiResult
spi_alsa_sink_node_get_interface (SpiNode *node,
uint32_t interface_id,
void **interface)
{
return SPI_RESULT_NOT_IMPLEMENTED;
if (handle == NULL || interface == NULL)
return SPI_RESULT_INVALID_ARGUMENTS;
switch (interface_id) {
case SPI_INTERFACE_ID_NODE:
*interface = &this->node;
break;
default:
return SPI_RESULT_UNKNOWN_INTERFACE;
}
return SPI_RESULT_OK;
}
SpiNode *
SpiHandle *
spi_alsa_sink_new (void)
{
SpiHandle *handle;
SpiNode *node;
SpiALSASink *this;
node = calloc (1, sizeof (SpiALSASink));
handle = calloc (1, sizeof (SpiALSASink));
handle->get_interface = spi_alsa_sink_get_interface;
this = (SpiALSASink *) handle;
this->params.param.enum_param_info = enum_param_info;
this->params.param.set_param = set_param;
this->params.param.get_param = get_param;
reset_alsa_sink_params (&this->params);
node = &this->node;
node->get_params = spi_alsa_sink_node_get_params;
node->set_params = spi_alsa_sink_node_set_params;
node->send_command = spi_alsa_sink_node_send_command;
@ -1033,14 +1046,6 @@ spi_alsa_sink_new (void)
node->get_port_status = spi_alsa_sink_node_get_port_status;
node->push_port_input = spi_alsa_sink_node_push_port_input;
node->pull_port_output = spi_alsa_sink_node_pull_port_output;
node->enum_interface_info = spi_alsa_sink_node_enum_interface_info;
node->get_interface = spi_alsa_sink_node_get_interface;
this = (SpiALSASink *) node;
this->params.param.enum_param_info = enum_param_info;
this->params.param.set_param = set_param;
this->params.param.get_param = get_param;
reset_alsa_sink_params (&this->params);
return node;
return handle;
}