mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-29 05:40:27 -04:00
614 lines
16 KiB
C
614 lines
16 KiB
C
/* Spa Xv Sink
|
|
* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
|
|
#include <linux/videodev2.h>
|
|
|
|
#include <spa/id-map.h>
|
|
#include <spa/log.h>
|
|
#include <spa/node.h>
|
|
#include <spa/video/format-utils.h>
|
|
#include <lib/props.h>
|
|
|
|
typedef struct _SpaXvSink SpaXvSink;
|
|
|
|
static const char default_device[] = "/dev/video0";
|
|
|
|
typedef struct {
|
|
char device[64];
|
|
char device_name[128];
|
|
int device_fd;
|
|
} SpaXvSinkProps;
|
|
|
|
static void
|
|
reset_xv_sink_props (SpaXvSinkProps *props)
|
|
{
|
|
strncpy (props->device, default_device, 64);
|
|
}
|
|
|
|
#define MAX_BUFFERS 256
|
|
|
|
typedef struct _XvBuffer XvBuffer;
|
|
|
|
struct _XvBuffer {
|
|
SpaBuffer buffer;
|
|
SpaMeta meta[1];
|
|
SpaMetaHeader header;
|
|
SpaData data[1];
|
|
XvBuffer *next;
|
|
uint32_t index;
|
|
SpaXvSink *sink;
|
|
bool outstanding;
|
|
};
|
|
|
|
typedef struct {
|
|
bool opened;
|
|
int fd;
|
|
XvBuffer buffers[MAX_BUFFERS];
|
|
XvBuffer *ready;
|
|
uint32_t ready_count;
|
|
} SpaXvState;
|
|
|
|
typedef struct {
|
|
uint32_t node;
|
|
SpaMediaTypes media_types;
|
|
SpaMediaSubtypes media_subtypes;
|
|
} URI;
|
|
|
|
struct _SpaXvSink {
|
|
SpaHandle handle;
|
|
SpaNode node;
|
|
|
|
URI uri;
|
|
SpaIDMap *map;
|
|
SpaLog *log;
|
|
|
|
uint8_t props_buffer[512];
|
|
SpaXvSinkProps props;
|
|
|
|
SpaNodeEventCallback event_cb;
|
|
void *user_data;
|
|
|
|
bool have_format;
|
|
uint8_t format_buffer[1024];
|
|
SpaVideoInfo current_format;
|
|
|
|
SpaPortInfo info;
|
|
SpaXvState state;
|
|
|
|
SpaPortInput *input;
|
|
};
|
|
|
|
#define CHECK_PORT(this,d,p) ((d) == SPA_DIRECTION_OUTPUT && (p) == 0)
|
|
|
|
#include "xv-utils.c"
|
|
|
|
enum {
|
|
PROP_ID_NONE,
|
|
PROP_ID_DEVICE,
|
|
PROP_ID_DEVICE_NAME,
|
|
PROP_ID_DEVICE_FD,
|
|
};
|
|
|
|
static void
|
|
update_state (SpaXvSink *this, SpaNodeState state)
|
|
{
|
|
this->node.state = state;
|
|
}
|
|
|
|
#define PROP(f,key,type,...) \
|
|
SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_READWRITE,type,1,__VA_ARGS__)
|
|
#define PROP_R(f,key,type,...) \
|
|
SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_READABLE,type,1,__VA_ARGS__)
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_get_props (SpaNode *node,
|
|
SpaProps **props)
|
|
{
|
|
SpaXvSink *this;
|
|
SpaPODBuilder b = { NULL, };
|
|
SpaPODFrame f[2];
|
|
|
|
if (node == NULL || props == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
spa_pod_builder_init (&b, this->props_buffer, sizeof (this->props_buffer));
|
|
spa_pod_builder_props (&b, &f[0],
|
|
PROP (&f[1], PROP_ID_DEVICE, -SPA_POD_TYPE_STRING, this->props.device, sizeof (this->props.device)),
|
|
PROP_R (&f[1], PROP_ID_DEVICE_NAME, -SPA_POD_TYPE_STRING, this->props.device_name, sizeof (this->props.device_name)),
|
|
PROP_R (&f[1], PROP_ID_DEVICE_FD, SPA_POD_TYPE_INT, this->props.device_fd));
|
|
*props = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaProps);
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_set_props (SpaNode *node,
|
|
const SpaProps *props)
|
|
{
|
|
SpaXvSink *this;
|
|
|
|
if (node == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
if (props == NULL) {
|
|
reset_xv_sink_props (&this->props);
|
|
} else {
|
|
spa_props_query (props,
|
|
PROP_ID_DEVICE, -SPA_POD_TYPE_STRING, this->props.device, sizeof (this->props.device),
|
|
0);
|
|
}
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_send_command (SpaNode *node,
|
|
SpaNodeCommand *command)
|
|
{
|
|
SpaXvSink *this;
|
|
|
|
if (node == NULL || command == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
switch (SPA_NODE_COMMAND_TYPE (command)) {
|
|
case SPA_NODE_COMMAND_INVALID:
|
|
return SPA_RESULT_INVALID_COMMAND;
|
|
|
|
case SPA_NODE_COMMAND_START:
|
|
spa_xv_start (this);
|
|
|
|
update_state (this, SPA_NODE_STATE_STREAMING);
|
|
break;
|
|
case SPA_NODE_COMMAND_PAUSE:
|
|
spa_xv_stop (this);
|
|
|
|
update_state (this, SPA_NODE_STATE_PAUSED);
|
|
break;
|
|
|
|
case SPA_NODE_COMMAND_FLUSH:
|
|
case SPA_NODE_COMMAND_DRAIN:
|
|
case SPA_NODE_COMMAND_MARKER:
|
|
case SPA_NODE_COMMAND_CLOCK_UPDATE:
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_set_event_callback (SpaNode *node,
|
|
SpaNodeEventCallback event,
|
|
void *user_data)
|
|
{
|
|
SpaXvSink *this;
|
|
|
|
if (node == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
this->event_cb = event;
|
|
this->user_data = user_data;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_get_n_ports (SpaNode *node,
|
|
uint32_t *n_input_ports,
|
|
uint32_t *max_input_ports,
|
|
uint32_t *n_output_ports,
|
|
uint32_t *max_output_ports)
|
|
{
|
|
if (node == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
if (n_input_ports)
|
|
*n_input_ports = 0;
|
|
if (n_output_ports)
|
|
*n_output_ports = 1;
|
|
if (max_input_ports)
|
|
*max_input_ports = 0;
|
|
if (max_output_ports)
|
|
*max_output_ports = 1;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_get_port_ids (SpaNode *node,
|
|
uint32_t n_input_ports,
|
|
uint32_t *input_ids,
|
|
uint32_t n_output_ports,
|
|
uint32_t *output_ids)
|
|
{
|
|
if (node == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
if (n_output_ports > 0 && output_ids != NULL)
|
|
output_ids[0] = 0;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_add_port (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_remove_port (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_enum_formats (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
SpaFormat **format,
|
|
const SpaFormat *filter,
|
|
uint32_t index)
|
|
{
|
|
//SpaXvSink *this;
|
|
|
|
if (node == NULL || format == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
//this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
if (!CHECK_PORT (this, direction, port_id))
|
|
return SPA_RESULT_INVALID_PORT;
|
|
|
|
switch (index) {
|
|
case 0:
|
|
break;
|
|
default:
|
|
return SPA_RESULT_ENUM_END;
|
|
}
|
|
*format = NULL;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_set_format (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
SpaPortFormatFlags flags,
|
|
const SpaFormat *format)
|
|
{
|
|
SpaXvSink *this;
|
|
SpaResult res;
|
|
SpaVideoInfo info;
|
|
|
|
if (node == NULL || format == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
if (!CHECK_PORT (this, direction, port_id))
|
|
return SPA_RESULT_INVALID_PORT;
|
|
|
|
if (format == NULL) {
|
|
this->have_format = false;
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
if (format->body.media_type.value == this->uri.media_types.video) {
|
|
if (format->body.media_subtype.value == this->uri.media_subtypes.raw) {
|
|
if ((res = spa_format_video_parse (format, &info) < 0))
|
|
return res;
|
|
} else
|
|
return SPA_RESULT_INVALID_MEDIA_TYPE;
|
|
} else
|
|
return SPA_RESULT_INVALID_MEDIA_TYPE;
|
|
|
|
if (spa_xv_set_format (this, &info, flags & SPA_PORT_FORMAT_FLAG_TEST_ONLY) < 0)
|
|
return SPA_RESULT_INVALID_MEDIA_TYPE;
|
|
|
|
if (!(flags & SPA_PORT_FORMAT_FLAG_TEST_ONLY)) {
|
|
this->current_format = info;
|
|
this->have_format = true;
|
|
}
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_get_format (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
const SpaFormat **format)
|
|
{
|
|
SpaXvSink *this;
|
|
|
|
if (node == NULL || format == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
if (!CHECK_PORT (this, direction, port_id))
|
|
return SPA_RESULT_INVALID_PORT;
|
|
|
|
if (!this->have_format)
|
|
return SPA_RESULT_NO_FORMAT;
|
|
|
|
*format = NULL;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_get_info (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
const SpaPortInfo **info)
|
|
{
|
|
SpaXvSink *this;
|
|
|
|
if (node == NULL || info == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
if (!CHECK_PORT (this, direction, port_id))
|
|
return SPA_RESULT_INVALID_PORT;
|
|
|
|
*info = &this->info;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_get_props (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
SpaProps **props)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_set_props (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
const SpaProps *props)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_use_buffers (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
SpaBuffer **buffers,
|
|
uint32_t n_buffers)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_alloc_buffers (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
SpaAllocParam **params,
|
|
uint32_t n_params,
|
|
SpaBuffer **buffers,
|
|
uint32_t *n_buffers)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_set_input (SpaNode *node,
|
|
uint32_t port_id,
|
|
SpaPortInput *input)
|
|
{
|
|
SpaXvSink *this;
|
|
|
|
if (node == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = SPA_CONTAINER_OF (node, SpaXvSink, node);
|
|
|
|
if (!CHECK_PORT (this, SPA_DIRECTION_INPUT, port_id))
|
|
return SPA_RESULT_INVALID_PORT;
|
|
|
|
this->input = input;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_set_output (SpaNode *node,
|
|
uint32_t port_id,
|
|
SpaPortOutput *output)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_reuse_buffer (SpaNode *node,
|
|
uint32_t port_id,
|
|
uint32_t buffer_id)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_port_send_command (SpaNode *node,
|
|
SpaDirection direction,
|
|
uint32_t port_id,
|
|
SpaNodeCommand *command)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_process_input (SpaNode *node)
|
|
{
|
|
return SPA_RESULT_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static SpaResult
|
|
spa_xv_sink_node_process_output (SpaNode *node)
|
|
{
|
|
return SPA_RESULT_INVALID_PORT;
|
|
}
|
|
|
|
static const SpaNode xvsink_node = {
|
|
sizeof (SpaNode),
|
|
NULL,
|
|
SPA_NODE_STATE_INIT,
|
|
spa_xv_sink_node_get_props,
|
|
spa_xv_sink_node_set_props,
|
|
spa_xv_sink_node_send_command,
|
|
spa_xv_sink_node_set_event_callback,
|
|
spa_xv_sink_node_get_n_ports,
|
|
spa_xv_sink_node_get_port_ids,
|
|
spa_xv_sink_node_add_port,
|
|
spa_xv_sink_node_remove_port,
|
|
spa_xv_sink_node_port_enum_formats,
|
|
spa_xv_sink_node_port_set_format,
|
|
spa_xv_sink_node_port_get_format,
|
|
spa_xv_sink_node_port_get_info,
|
|
spa_xv_sink_node_port_get_props,
|
|
spa_xv_sink_node_port_set_props,
|
|
spa_xv_sink_node_port_use_buffers,
|
|
spa_xv_sink_node_port_alloc_buffers,
|
|
spa_xv_sink_node_port_set_input,
|
|
spa_xv_sink_node_port_set_output,
|
|
spa_xv_sink_node_port_reuse_buffer,
|
|
spa_xv_sink_node_port_send_command,
|
|
spa_xv_sink_node_process_input,
|
|
spa_xv_sink_node_process_output,
|
|
};
|
|
|
|
static SpaResult
|
|
spa_xv_sink_get_interface (SpaHandle *handle,
|
|
uint32_t interface_id,
|
|
void **interface)
|
|
{
|
|
SpaXvSink *this;
|
|
|
|
if (handle == NULL || interface == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
this = (SpaXvSink *) handle;
|
|
|
|
if (interface_id == this->uri.node)
|
|
*interface = &this->node;
|
|
else
|
|
return SPA_RESULT_UNKNOWN_INTERFACE;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
xv_sink_clear (SpaHandle *handle)
|
|
{
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static SpaResult
|
|
xv_sink_init (const SpaHandleFactory *factory,
|
|
SpaHandle *handle,
|
|
const SpaDict *info,
|
|
const SpaSupport *support,
|
|
uint32_t n_support)
|
|
{
|
|
SpaXvSink *this;
|
|
uint32_t i;
|
|
|
|
if (factory == NULL || handle == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
handle->get_interface = spa_xv_sink_get_interface;
|
|
handle->clear = xv_sink_clear;
|
|
|
|
this = (SpaXvSink *) handle;
|
|
|
|
for (i = 0; i < n_support; i++) {
|
|
if (strcmp (support[i].uri, SPA_ID_MAP_URI) == 0)
|
|
this->map = support[i].data;
|
|
else if (strcmp (support[i].uri, SPA_LOG_URI) == 0)
|
|
this->log = support[i].data;
|
|
}
|
|
if (this->map == NULL) {
|
|
spa_log_error (this->log, "an id-map is needed");
|
|
return SPA_RESULT_ERROR;
|
|
}
|
|
this->uri.node = spa_id_map_get_id (this->map, SPA_NODE_URI);
|
|
spa_media_types_fill (&this->uri.media_types, this->map);
|
|
spa_media_subtypes_map (this->map, &this->uri.media_subtypes);
|
|
|
|
this->node = xvsink_node;
|
|
reset_xv_sink_props (&this->props);
|
|
|
|
this->info.flags = SPA_PORT_INFO_FLAG_NONE;
|
|
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
static const SpaInterfaceInfo xv_sink_interfaces[] =
|
|
{
|
|
{ SPA_NODE_URI, },
|
|
};
|
|
|
|
static SpaResult
|
|
xv_sink_enum_interface_info (const SpaHandleFactory *factory,
|
|
const SpaInterfaceInfo **info,
|
|
uint32_t index)
|
|
{
|
|
if (factory == NULL || info == NULL)
|
|
return SPA_RESULT_INVALID_ARGUMENTS;
|
|
|
|
switch (index) {
|
|
case 0:
|
|
*info = &xv_sink_interfaces[index];
|
|
break;
|
|
default:
|
|
return SPA_RESULT_ENUM_END;
|
|
}
|
|
return SPA_RESULT_OK;
|
|
}
|
|
|
|
const SpaHandleFactory spa_xv_sink_factory =
|
|
{ "xv-sink",
|
|
NULL,
|
|
sizeof (SpaXvSink),
|
|
xv_sink_init,
|
|
xv_sink_enum_interface_info,
|
|
};
|