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Set bridge resolution when setting the mode (MR 31)

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sun6i-csi-bridge will return EINVAL if the resolution it is configured
with is different than the resolution the camera is configured with. So
we have to set it's resolution when changing the camera resolution.
This commit is contained in:
ArenM
2023-05-25 20:17:40 -04:00
parent ebfcf10fa6
commit f43fcdb241
4 changed files with 54 additions and 4 deletions
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30
src/io_pipeline.c
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@@ -127,6 +127,32 @@ mp_setup_media_link_pad_formats(struct device_info *dev_info,
}
}
static int
get_bridge_fd(const MPDevice *device)
{
const struct media_v2_entity *bridge =
mp_device_find_entity_type(device, MEDIA_ENT_F_VID_IF_BRIDGE);
if (!bridge) {
g_printerr("Could not find device bridge entity\n");
return -1;
}
const struct media_v2_interface *bridge_interface =
mp_device_find_entity_interface(device, bridge->id);
char dev_name[260];
if (!mp_find_device_path(bridge_interface->devnode, dev_name, 260)) {
g_printerr("Could not find bridge path\n");
return -1;
}
int bridge_fd = open(dev_name, O_RDWR);
if (bridge_fd == -1) {
g_printerr("Could not open %s: %s\n", dev_name, strerror(errno));
}
return bridge_fd;
}
static void
setup_camera(MPDeviceList **device_list, const struct mp_camera_config *config)
{
@@ -235,7 +261,9 @@ setup_camera(MPDeviceList **device_list, const struct mp_camera_config *config)
exit(EXIT_FAILURE);
}
info->camera = mp_camera_new(dev_info->video_fd, info->fd);
int bridge_fd = get_bridge_fd(dev_info->device);
info->camera =
mp_camera_new(dev_info->video_fd, info->fd, bridge_fd);
// Start with the capture format, this works around a bug with
// the ov5640 driver where it won't allow setting the preview