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Hue/saturation controls, qtmultimedia viewfinder works

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This commit is contained in:
Sergey Lapin
2021-03-28 22:29:29 +03:00
parent 1050492058
commit 61c1157d81
4 changed files with 77 additions and 48 deletions
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78
utility.c
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@@ -1,3 +1,7 @@
/* insert copyright here *
* THE manual: https://www.kernel.org/doc/html/v5.7/media/uapi/mediactl/media-ioc-g-topology.html
*/
#include <stdint.h>
#include <stdio.h>
@@ -82,13 +86,14 @@ struct camera_data {
int subdev_fd;
const struct media_v2_entity *entity;
const struct media_v2_interface *interface;
const struct media_v2_pad *pad;
int gain_ctrl;
int gain_max;
char devnode_path[261];
};
struct camera_config configurations[] = {
{"front", "gc2145", 320, 240, MEDIA_BUS_FMT_YUYV8_2X8, MEDIA_BUS_FMT_SBGGR8_1X8, {1, 15}},
{"rear", "ov5640", 320, 240, MEDIA_BUS_FMT_YUYV8_2X8, MEDIA_BUS_FMT_SBGGR8_1X8, {1, 15}},
{"front", "gc2145", 320, 240, MEDIA_BUS_FMT_UYVY8_2X8, MEDIA_BUS_FMT_SBGGR8_1X8, {1, 15}},
{"rear", "ov5640", 1280, 720, MEDIA_BUS_FMT_UYVY8_2X8, MEDIA_BUS_FMT_SBGGR8_1X8, {1, 30}},
};
struct camera_data cam_store[] = {
{},
@@ -216,48 +221,6 @@ static void disable_all_links(struct device_data *dev)
setup_link(dev, source_pad->id, sink_pad->id, FALSE);
}
}
#if 0
const struct media_v2_link *plink =
gst_pinesrcbin_get_link_from_entity(dev,
dev->entities[i].id);
if (plink) {
g_print("link %d %08x %08x: %08x\n", plink->id, plink->source_id, plink->sink_id, plink->flags);
if (plink->flags & MEDIA_LNK_FL_ENABLED) {
uint32_t link_type = plink->flags & MEDIA_LNK_FL_LINK_TYPE;
if (link_type == MEDIA_LNK_FL_DATA_LINK) {
g_print("data link %d\n", plink->id);
setup_link(dev, plink->source_id, plink->sink_id, FALSE);
} else if (link_type == MEDIA_LNK_FL_INTERFACE_LINK) {
struct media_v2_interface *iface = st_pinesrcbin_get_interface_by_id(dev, plink->source_id);
g_print("interface link %d entity: %d\n", plink->id, iface->);
continue;
}
const struct media_v2_pad *source_pad, *sink_pad;
g_print("link %d is active\n", plink->id);
source_pad = gst_pinesrcbin_get_pad_from_entity(dev, plink->source_id);
sink_pad = gst_pinesrcbin_get_pad_from_entity(dev, plink->sink_id);
g_assert(source_pad);
g_assert(sink_pad);
setup_link(dev, source_pad->id, sink_pad->id, FALSE);
#if 0
struct media_link_desc link = {};
link.flags = 0;
link.source.entity = plink->source_id;
link.source.index = 0;
link.sink.entity = plink->sink_id;
link.sink.index = 0;
if (xioctl(dev->fd, MEDIA_IOC_SETUP_LINK, &link) == -1)
g_printerr("MEDIA_IOC_SETUP_LINK: %d %s", errno, strerror(errno));
#endif
#if 0
/* TODO: maintain own links structure */
else
plink->flags = 0;
#endif
}
}
}
#endif
}
static struct device_data *
@@ -342,6 +305,7 @@ setup_gain(int fd, int *gain_ctrl, int *gain_max)
*gain_max = ctrl.maximum;
return;
}
camera_control(fd, *gain_ctrl, VIDIOC_S_EXT_CTRLS, gain_max);
}
static gboolean
@@ -517,6 +481,20 @@ get_camera_data(const char *conf_name)
return &cam_store[conf];
}
}
void set_camera_control(const char * conf_name, int control, int value)
{
struct camera_data *cam_data = get_camera_data(conf_name);
switch(control) {
case CONTROL_HUE:
g_print("configuring hue = %d\n", value);
camera_control (cam_data->subdev_fd, V4L2_CID_HUE, VIDIOC_S_EXT_CTRLS, &value);
break;
case CONTROL_SATURATION:
g_print("configuring saturation = %d\n", value);
camera_control (cam_data->subdev_fd, V4L2_CID_SATURATION, VIDIOC_S_EXT_CTRLS, &value);
break;
}
}
void gst_pinesrcbin_configure_device(GstPineSrcBin * self, const char *conf_name)
{
struct camera_config *conf;
@@ -565,7 +543,7 @@ void gst_pinesrcbin_configure_device(GstPineSrcBin * self, const char *conf_name
if (!self->v4l2entity)
g_error ("can't find entity sun6i-csi\n");
GST_DEBUG_OBJECT (self, "sink entity: %d %s\n", self->v4l2entity->id, self->v4l2entity->name);
/* This is sink pad (for host controller) */
/* This is sink pad (for media controller) */
self->v4l2pad =
gst_pinesrcbin_get_pad_from_entity (self->media_if, self->v4l2entity->id);
GST_DEBUG_OBJECT (self, "sink pad: %d\n", self->v4l2pad->id);
@@ -591,6 +569,8 @@ void gst_pinesrcbin_configure_device(GstPineSrcBin * self, const char *conf_name
disable_all_links(self->media_if);
cam_data->entity = gst_pinesrcbin_find_media_entity(self->media_if, conf->camera_name);
GST_DEBUG_OBJECT (self, "camera: %s: source interface entity %d\n", conf->camera_name, cam_data->entity->id);
cam_data->pad =
gst_pinesrcbin_get_pad_from_entity (self->media_if, cam_data->entity->id);
cam_data->interface =
gst_pinesrcbin_get_entity_interface (self->media_if,
@@ -612,10 +592,18 @@ void gst_pinesrcbin_configure_device(GstPineSrcBin * self, const char *conf_name
camera_control (cam_data->subdev_fd, V4L2_CID_FOCUS_AUTO, VIDIOC_S_EXT_CTRLS, &enable);
}
setup_gain (cam_data->subdev_fd, &cam_data->gain_ctrl, &cam_data->gain_max);
camera_control (cam_data->subdev_fd, V4L2_CID_TEST_PATTERN, VIDIOC_S_EXT_CTRLS, &self->test_pattern);
{
int auto_gain = 1;
camera_control (cam_data->subdev_fd, V4L2_CID_AUTOGAIN, VIDIOC_S_EXT_CTRLS, &auto_gain);
}
set_camera_control(conf_name, CONTROL_HUE, self->hue);
/* now configuring camera modes */
GST_DEBUG_OBJECT (self, "configuring camera modes\n");
subdev_set_mode(cam_data->subdev_fd, conf->width,
conf->height, conf->bus_code_video,
conf->frame_interval);
GST_DEBUG_OBJECT (self, "enabling link for %s\n", conf->camera_name);
setup_link(self->media_if, cam_data->pad->id, self->v4l2pad->id, TRUE);
}