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