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Improve controls handling (preload)

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This commit is contained in:
Kamil Trzcinski
2022-04-11 13:00:45 +02:00
parent a586bad403
commit 7c56fa2813
4 changed files with 82 additions and 66 deletions
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8
device/v4l2/v4l2.h
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@ -10,9 +10,16 @@ typedef struct buffer_list_s buffer_list_t;
typedef struct device_s device_t;
struct pollfd;
typedef struct device_v4l2_control_s {
int fd;
struct v4l2_query_ext_ctrl control;
} device_v4l2_control_t;
typedef struct device_v4l2_s {
int dev_fd;
int subdev_fd;
device_v4l2_control_t *controls;
int ncontrols;
} device_v4l2_t;
typedef struct buffer_list_v4l2_s {
@ -45,3 +52,4 @@ int v4l2_buffer_list_set_stream(buffer_list_t *buf_list, bool do_on);
int v4l2_device_open_media_device(device_t *dev);
int v4l2_device_open_v4l2_subdev(device_t *dev, int subdev);
int v4l2_device_set_pad_format(device_t *dev, unsigned width, unsigned height, unsigned format);
void v4l2_device_query_controls(device_t *dev, int fd);