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v4l2: add Format on the node as well

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So that we can see the format in pw-top
This commit is contained in:
Wim Taymans 2022-11-04 13:10:17 +01:00
parent 5a299e5685
commit ec5f2d7337
1 changed files with 65 additions and 56 deletions
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121
spa/plugins/v4l2/v4l2-source.c
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@ -145,7 +145,8 @@ struct impl {
#define NODE_PropInfo 0
#define NODE_Props 1
#define NODE_EnumFormat 2
#define N_NODE_PARAMS 3
#define NODE_Format 3
#define N_NODE_PARAMS 4
struct spa_param_info params[N_NODE_PARAMS];
struct props props;
@ -167,6 +168,56 @@ struct impl {
#include "v4l2-utils.c"
static int port_get_format(struct port *port,
uint32_t index,
const struct spa_pod *filter,
struct spa_pod **param,
struct spa_pod_builder *builder)
{
struct spa_pod_frame f;
if (!port->have_format)
return -EIO;
if (index > 0)
return 0;
spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, SPA_PARAM_Format);
spa_pod_builder_add(builder,
SPA_FORMAT_mediaType, SPA_POD_Id(port->current_format.media_type),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(port->current_format.media_subtype),
0);
switch (port->current_format.media_subtype) {
case SPA_MEDIA_SUBTYPE_raw:
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_format, SPA_POD_Id(port->current_format.info.raw.format),
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&port->current_format.info.raw.size),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&port->current_format.info.raw.framerate),
0);
break;
case SPA_MEDIA_SUBTYPE_mjpg:
case SPA_MEDIA_SUBTYPE_jpeg:
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&port->current_format.info.mjpg.size),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&port->current_format.info.mjpg.framerate),
0);
break;
case SPA_MEDIA_SUBTYPE_h264:
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&port->current_format.info.h264.size),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&port->current_format.info.h264.framerate),
0);
break;
default:
return -EIO;
}
*param = spa_pod_builder_pop(builder, &f);
return 1;
}
static int impl_node_enum_params(void *object, int seq,
uint32_t id, uint32_t start, uint32_t num,
const struct spa_pod *filter)
@ -177,6 +228,7 @@ static int impl_node_enum_params(void *object, int seq,
uint8_t buffer[1024];
struct spa_result_node_params result;
uint32_t count = 0;
int res;
spa_return_val_if_fail(this != NULL, -EINVAL);
spa_return_val_if_fail(num != 0, -EINVAL);
@ -239,6 +291,11 @@ static int impl_node_enum_params(void *object, int seq,
}
case SPA_PARAM_EnumFormat:
return spa_v4l2_enum_format(this, seq, start, num, filter);
case SPA_PARAM_Format:
if((res = port_get_format(GET_OUT_PORT(this, 0),
result.index, filter, &param, &b)) <= 0)
return res;
break;
default:
return -ENOENT;
}
@ -455,58 +512,6 @@ static int impl_node_remove_port(void *object,
return -ENOTSUP;
}
static int port_get_format(void *object,
enum spa_direction direction, uint32_t port_id,
uint32_t index,
const struct spa_pod *filter,
struct spa_pod **param,
struct spa_pod_builder *builder)
{
struct impl *this = object;
struct port *port = GET_PORT(this, direction, port_id);
struct spa_pod_frame f;
if (!port->have_format)
return -EIO;
if (index > 0)
return 0;
spa_pod_builder_push_object(builder, &f, SPA_TYPE_OBJECT_Format, SPA_PARAM_Format);
spa_pod_builder_add(builder,
SPA_FORMAT_mediaType, SPA_POD_Id(port->current_format.media_type),
SPA_FORMAT_mediaSubtype, SPA_POD_Id(port->current_format.media_subtype),
0);
switch (port->current_format.media_subtype) {
case SPA_MEDIA_SUBTYPE_raw:
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_format, SPA_POD_Id(port->current_format.info.raw.format),
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&port->current_format.info.raw.size),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&port->current_format.info.raw.framerate),
0);
break;
case SPA_MEDIA_SUBTYPE_mjpg:
case SPA_MEDIA_SUBTYPE_jpeg:
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&port->current_format.info.mjpg.size),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&port->current_format.info.mjpg.framerate),
0);
break;
case SPA_MEDIA_SUBTYPE_h264:
spa_pod_builder_add(builder,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle(&port->current_format.info.h264.size),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&port->current_format.info.h264.framerate),
0);
break;
default:
return -EIO;
}
*param = spa_pod_builder_pop(builder, &f);
return 1;
}
static int impl_node_port_enum_params(void *object, int seq,
enum spa_direction direction,
uint32_t port_id,
@ -544,8 +549,7 @@ static int impl_node_port_enum_params(void *object, int seq,
return spa_v4l2_enum_format(this, seq, start, num, filter);
case SPA_PARAM_Format:
if((res = port_get_format(this, direction, port_id,
result.index, filter, &param, &b)) <= 0)
if((res = port_get_format(port, result.index, filter, &param, &b)) <= 0)
return res;
break;
case SPA_PARAM_Buffers:
@ -683,15 +687,19 @@ static int port_set_format(struct impl *this, struct port *port,
}
done:
this->info.change_mask |= SPA_NODE_CHANGE_MASK_PARAMS;
port->info.change_mask |= SPA_PORT_CHANGE_MASK_PARAMS;
if (port->have_format) {
port->params[PORT_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_READWRITE);
port->params[PORT_Buffers] = SPA_PARAM_INFO(SPA_PARAM_Buffers, SPA_PARAM_INFO_READ);
this->params[NODE_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_READ);
} else {
port->params[PORT_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
port->params[PORT_Buffers] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
this->params[NODE_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, 0);
}
emit_port_info(this, port, false);
emit_node_info(this, false);
return 0;
}
@ -1020,8 +1028,9 @@ impl_init(const struct spa_handle_factory *factory,
this->info.max_output_ports = 1;
this->info.flags = SPA_NODE_FLAG_RT;
this->params[NODE_PropInfo] = SPA_PARAM_INFO(SPA_PARAM_PropInfo, SPA_PARAM_INFO_READ);
this->params[NODE_EnumFormat] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
this->params[NODE_Props] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_READWRITE);
this->params[NODE_EnumFormat] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
this->params[NODE_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, 0);
this->info.params = this->params;
this->info.n_params = N_NODE_PARAMS;
reset_props(&this->props);