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Diffstat (limited to 'src/types/v4l2.h')
| -rw-r--r-- | src/types/v4l2.h | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/src/types/v4l2.h b/src/types/v4l2.h new file mode 100644 index 000000000..59382001a --- /dev/null +++ b/src/types/v4l2.h @@ -0,0 +1,273 @@ +/* + * V4L2-related type definitions. + * + * Copyright (c) 2016-2020 The strace developers. + * All rights reserved. + * + * SPDX-License-Identifier: LGPL-2.1-or-later + */ + +#ifndef STRACE_TYPES_V4L2_H +# define STRACE_TYPES_V4L2_H + +# include <stdint.h> +# include <linux/ioctl.h> +# include <linux/types.h> +# include <linux/videodev2.h> + +typedef struct v4l2_framebuffer struct_v4l2_framebuffer; +typedef struct v4l2_input struct_v4l2_input; +typedef struct v4l2_standard struct_v4l2_standard; + + +typedef struct { + uint8_t driver[16]; + uint8_t card[32]; + uint8_t bus_info[32]; + uint32_t version; + uint32_t capabilities; + uint32_t device_caps; /**< Added by v3.4-rc1~110^2^2~259 */ + uint32_t reserved[3]; +} struct_v4l2_capability; + + +typedef struct { + uint32_t width; + uint32_t height; + uint32_t pixelformat; + uint32_t field; + uint32_t bytesperline; + uint32_t sizeimage; + uint32_t colorspace; /**< enum v4l2_colorspace */ + uint32_t priv; + /** Format flags (V4L2_PIX_FMT_FLAG_*), added by v3.17-rc1~112^2~326 */ + uint32_t flags; + union { + /** enum v4l2_ycbcr_encoding, added by v3.19-rc1~29^2~72 */ + uint32_t ycbcr_enc; + /** enum v4l2_hsv_encoding, added by v4.10-rc1~71^2^2~352 */ + uint32_t hsv_enc; + }; + /** enum v4l2_quantization, added by v3.19-rc1~29^2~72 */ + uint32_t quantization; + /** enum v4l2_xfer_func, added by Linux commit v4.2-rc1~107^2~136 */ + uint32_t xfer_func; +} struct_v4l2_pix_format; + +/** Added by Linux commit v2.6.39-rc1~86^2~437 */ +typedef struct { + uint32_t sizeimage; + uint32_t bytesperline; /**< Type has changed in v4.1-rc1~59^2~1^2~88 */ + uint16_t reserved[6]; +} struct_v4l2_plane_pix_format; + +/** Added by Linux commit v2.6.39-rc1~86^2~437 */ +typedef struct { + uint32_t width; + uint32_t height; + uint32_t pixelformat; + uint32_t field; + uint32_t colorspace; + + struct_v4l2_plane_pix_format plane_fmt[8 /* VIDEO_MAX_PLANES */]; + uint8_t num_planes; + /** Format flags (V4L2_PIX_FMT_FLAG_*), added by v3.17-rc1~112^2~326 */ + uint8_t flags; + union { + /** enum v4l2_ycbcr_encoding, added by v3.19-rc1~29^2~72 */ + uint8_t ycbcr_enc; + /** enum v4l2_hsv_encoding, added by v4.10-rc1~71^2^2~352 */ + uint8_t hsv_enc; + }; + /** enum v4l2_quantization, added by v3.19-rc1~29^2~72 */ + uint8_t quantization; + /** enum v4l2_xfer_func, added by Linux commit v4.2-rc1~107^2~136 */ + uint8_t xfer_func; + uint8_t reserved[7]; +} ATTRIBUTE_PACKED struct_v4l2_pix_format_mplane; + +typedef struct strace_v4l2_clip { + struct v4l2_rect c; + struct strace_v4l2_clip * next; +} struct_v4l2_clip; + +typedef struct { + struct v4l2_rect w; + uint32_t field; /* enum v4l2_field */ + uint32_t chromakey; + struct_v4l2_clip *clips; + uint32_t clipcount; + void *bitmap; + uint8_t global_alpha; /**< Added by v2.6.22-rc1~1118^2~179 */ +} struct_v4l2_window; + +typedef struct { + uint32_t sampling_rate; + uint32_t offset; + uint32_t samples_per_line; + uint32_t sample_format; /* V4L2_PIX_FMT_* */ + int32_t start[2]; + uint32_t count[2]; + uint32_t flags; /* V4L2_VBI_* */ + uint32_t reserved[2]; +} struct_v4l2_vbi_format; + +/** Added by Linux commit v2.6.16.28-rc1~3732 */ +typedef struct { + uint16_t service_set; + uint16_t service_lines[2][24]; + uint32_t io_size; + uint32_t reserved[2]; +} struct_v4l2_sliced_vbi_format; + +typedef struct { + uint16_t service_set; + uint16_t service_lines[2][24]; + uint32_t type; /**< enum v4l2_buf_type, added by v2.6.19-rc1~643^2~52 */ + uint32_t reserved[3]; +} struct_v4l2_sliced_vbi_cap; + +/** Added by Linux commits v3.15-rc1~85^2~213, v3.15-rc1~85^2~41 */ +typedef struct { + uint32_t pixelformat; + uint32_t buffersize; /**< Added by Linux commit v3.17-rc1~112^2~230 */ + uint8_t reserved[24]; +} ATTRIBUTE_PACKED struct_v4l2_sdr_format; + +/** Added by Linux commit v4.12-rc1~85^2~71 */ +typedef struct { + uint32_t dataformat; + uint32_t buffersize; +} ATTRIBUTE_PACKED struct_v4l2_meta_format; + +typedef struct { + uint32_t type; + union { + struct_v4l2_pix_format pix; + /** Added by Linux commit v2.6.39-rc1~86^2~437 */ + struct_v4l2_pix_format_mplane pix_mp; + struct_v4l2_window win; + struct_v4l2_vbi_format vbi; + /** Added by Linux commit v2.6.16.28-rc1~3732 */ + struct_v4l2_sliced_vbi_format sliced; + /** Added by v3.15-rc1~85^2~213, v3.15-rc1~85^2~41 */ + struct_v4l2_sdr_format sdr; + /** Added by Linux commit v4.12-rc1~85^2~71 */ + struct_v4l2_meta_format meta; + uint8_t raw_data[200]; + } fmt; +} struct_v4l2_format; + + +/** Added by Linux v5.5-rc1~143^2^2~225 */ +typedef struct { + __u32 width; + __u32 height; +} struct_v4l2_area; + +/** Added by Linux commit v2.6.18-rc1~862^2~18 */ +typedef struct { + uint32_t id; + uint32_t size; /* Added by v2.6.32-rc1~679^2~72 */ + uint32_t reserved2[1]; + union { + char * string; /**< Added by v2.6.32-rc1~679^2~72 */ + uint8_t * p_u8; /**< Added by v3.17-rc1~112^2~343 */ + uint16_t * p_u16; /**< Added by v3.17-rc1~112^2~343 */ + uint32_t * p_u32; /**< Added by v3.17-rc1~112^2~112 */ + struct_v4l2_area * p_area; /**< Added by v5.5-rc1~143^2^2~51 */ + void * ptr; /**< Added by v3.17-rc1~112^2~363 */ + int32_t value; + int64_t value64; + }; +} ATTRIBUTE_PACKED struct_v4l2_ext_control; + +/** Added by Linux commit v2.6.18-rc1~862^2~18 */ +typedef struct { + union { + uint32_t ctrl_class; + uint32_t which; + }; + uint32_t count; + uint32_t error_idx; + int32_t request_fd; /**< Added by Linux commit v4.20-rc1~51^2~44 */ + uint32_t reserved[1]; + struct_v4l2_ext_control * controls; +} struct_v4l2_ext_controls; + + +/** Added by Linux commit v3.17-rc1~112^2~362 */ +typedef struct { + uint32_t id; + uint32_t type; + char name[32]; + int64_t minimum; + int64_t maximum; + uint64_t step; /* Signedness differs from v4l2_queryctrl.step */ + int64_t default_value; + uint32_t flags; /* V4L2_CTRL_FLAG_* */ + uint32_t elem_size; + uint32_t elems; + uint32_t nr_of_dims; + uint32_t dims[4 /* V4L2_CTRL_MAX_DIMS */]; + uint32_t reserved[32]; +} struct_v4l2_query_ext_ctrl; + + +typedef struct { + uint32_t width; + uint32_t height; +} struct_v4l2_frmsize_discrete; + +typedef struct { + uint32_t min_width; + uint32_t max_width; + uint32_t step_width; + uint32_t min_height; + uint32_t max_height; + uint32_t step_height; +} struct_v4l2_frmsize_stepwise; + +/** Added by Linux commit v2.6.19-rc1~183 */ +typedef struct { + uint32_t index; + uint32_t pixel_format; + uint32_t type; /**< enum v4l2_frmsizetypes */ + union { + struct_v4l2_frmsize_discrete discrete; + struct_v4l2_frmsize_stepwise stepwise; + }; + uint32_t reserved[2]; +} struct_v4l2_frmsizeenum; + +typedef struct { + struct v4l2_fract min; + struct v4l2_fract max; + struct v4l2_fract step; +} struct_v4l2_frmival_stepwise; + +typedef struct { + uint32_t index; + uint32_t pixel_format; + uint32_t width; + uint32_t height; + uint32_t type; /**< enum v4l2_frmivaltypes */ + union { + struct v4l2_fract discrete; + struct_v4l2_frmival_stepwise stepwise; + }; + uint32_t reserved[2]; +} struct_v4l2_frmivalenum; + + +typedef struct { + uint32_t index; + uint32_t count; + uint32_t memory; + struct_v4l2_format format; + /** V4L2_BUF_CAP_*, added by Linux commit v4.20-rc1~51^2~14 */ + uint32_t capabilities; + uint32_t reserved[7]; +} struct_v4l2_create_buffers; + +#endif /* STRACE_TYPES_V4L2_H */ |