From 3addb9d9cc00a6f4bba6d57cee26ce8e47ee1f3d Mon Sep 17 00:00:00 2001 From: Benjamin Gaignard Date: Mon, 16 Jan 2023 17:27:35 +0100 Subject: [PATCH 2/5] v4l2codecs: Add V4L2 VP8 stateless encode uAPI Udpate v4l2 header files with the definitions and structures used for stateless VP8 encode. --- sys/v4l2codecs/linux/v4l2-controls.h | 91 ++++++++++++++++++++++++++++ sys/v4l2codecs/linux/videodev2.h | 2 + 2 files changed, 93 insertions(+) diff --git a/sys/v4l2codecs/linux/v4l2-controls.h b/sys/v4l2codecs/linux/v4l2-controls.h index 79625ee..8838a5d 100644 --- a/sys/v4l2codecs/linux/v4l2-controls.h +++ b/sys/v4l2codecs/linux/v4l2-controls.h @@ -2771,6 +2771,97 @@ struct v4l2_ctrl_vp9_compressed_hdr { struct v4l2_vp9_mv_probs mv; }; +#define V4L2_CID_STATELESS_VP8_ENCODE_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 501) + +#define V4L2_VP8_FRAME_FLAG_SHOWFRAME 0x1 +#define V4L2_VP8_FRAME_FLAG_GOLDEN_REFRESH 0x2 +#define V4L2_VP8_FRAME_FLAG_ALTREF_REFRESH 0x4 +#define V4L2_VP8_FRAME_FLAG_SEGMENT_ENABLED 0x8 +#define V4L2_VP8_FRAME_FLAG_LOOP_FILTER_ADJ_ENABLED 0x10 +#define V4L2_VP8_FRAME_FLAG_REFRESH_ENTROPY_PROBS 0x20 + +#define V4L2_VP8_FRAME_TYPE_KEYFRAME 0 +#define V4L2_VP8_FRAME_TYPE_INTER 1 + +#define V4L2_VP8_FRAME_COLOR_SPACE_YUV 0 +#define V4L2_VP8_FRAME_COLOR_SPACE_RESERVED 1 + +#define V4L2_VP8_FRAME_CLAMPING_REQUIRED 0 +#define V4L2_VP8_FRAME_CLAMPING_NO 1 + +#define V4L2_VP8_FRAME_FILTER_TYPE_NORMAL 0 +#define V4L2_VP8_FRAME_FILTER_TYPE_SIMPLE 1 + +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_1 0 +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_2 1 +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_4 2 +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_8 3 + +#define V4L2_VP8_FRAME_GOLDEN_KEEP 0 +#define V4L2_VP8_FRAME_GOLDEN_LASTFRAME 1 +#define V4L2_VP8_FRAME_GOLDEN_ALTREF 2 + +#define V4L2_VP8_FRAME_ALTREF_KEEP 0 +#define V4L2_VP8_FRAME_ALTREF_LASTFRAME 1 +#define V4L2_VP8_FRAME_ALTREF_GOLDEN 2 + +#define V4L2_VP8_FRAME_REF_LAST 0 +#define V4L2_VP8_FRAME_REF_GOLDEN 1 +#define V4L2_VP8_FRAME_REF_ALT 2 + +/** + * struct v4l2_ctrl_vp8_encode_params - VP8 encode parameters + * @flags: combination of V4L2_VP8_FRAME_FLAG_{} flags. + * @frame_type: specifies the frame type (key or inter). + * Set to one of V4L2_VP8_FRAME_TYPE_{}. + * @color_space: defines the YUV color space of the sequence. + * V4L2_VP8_FRAME_TYPE_INTER frames shall set this field to zero. + * Set to one of V4L2_VP8_FRAME_COLOR_SPACE_{}. + * @clamping_type: defines pixel value clamping type. + * V4L2_VP8_FRAME_TYPE_INTER frames shall set this field to zero. + * Set to one of V4L2_VP8_FRAME_CLAMPING_{}. + * @loop_filter_type: selects the type of loop filter applied. + * Set to one of V4L2_VP8_FRAME_FILTER_TYPE_{}. + * @loop_filter_level: sets the strength of the applied loop filter. + * Set to a value from the rage 0..63. + * @sharpness_level: sets the sharpness of the applied loop filter. + * Set to a value from the range 0..7. + * @log2_nbr_of_dct_partitions: determines the number of separate partitions + * containing the DCT coefficients of macroblocks. + * Set to one of V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_{}. + * @prob_intra: indicates the probability of an intra macroblock. + * Set to a value from the range 0..255. + * @prob_last: indicates the probability that the last reference frame is used for inter-prediction. + * Set to a value from the range 0..255. + * @prob_gf: indicates the probability that the golden reference frame is used for inter-prediction. + * Set to a value from the range 0..255. + * @copy_buffer_to_golden: specifies the golden frame refresh strategy. + * Set to one of V4L2_VP8_FRAME_FLAG_GOLDEN_{}. + * @copy_buffer_to_alternate: specifies the atlref frame refresh strategy. + * Set to one of V4L2_VP8_FRAME_FLAG_ALTREF_{}. + * @reference_type: specifies what kind of reference to use for current inter frame. + * V4L2_VP8_FRAME_TYPE_KEYFRAME shall set this field to zero. + * Set to one of V4L2_VP8_FRAME_REF_{}. + */ +struct v4l2_ctrl_vp8_encode_params { + __u32 flags; + __u8 frame_type; + __u8 color_space; + __u8 clamping_type; + __u8 loop_filter_type; + __u8 loop_filter_level; + __u8 sharpness_level; + __u8 log2_nbr_of_dct_partitions; + __u8 prob_intra; + __u8 prob_last; + __u8 prob_gf; + __u8 copy_buffer_to_golden; + __u8 copy_buffer_to_alternate; + __u8 reference_type; +}; + +#define V4L2_CID_STATELESS_VP8_ENCODE_QP (V4L2_CID_CODEC_STATELESS_BASE + 502) + /* MPEG-compression definitions kept for backwards compatibility */ #define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC #define V4L2_CID_MPEG_CLASS V4L2_CID_CODEC_CLASS diff --git a/sys/v4l2codecs/linux/videodev2.h b/sys/v4l2codecs/linux/videodev2.h index 62cc050..687ac85 100644 --- a/sys/v4l2codecs/linux/videodev2.h +++ b/sys/v4l2codecs/linux/videodev2.h @@ -1811,6 +1811,8 @@ enum v4l2_ctrl_type { V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, + + V4L2_CTRL_TYPE_VP8_ENCODE_PARAMS = 0x0280, }; /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ -- 2.25.1