#include <linux/string.h>
#include <linux/kernel.h>
+#include <linux/videodev2.h>
#include "codec-fwht.h"
#define OVERFLOW_BIT BIT(14)
#define FWHT_MAGIC1 0x4f4f4f4f
#define FWHT_MAGIC2 0xffffffff
-#define V4L2_FWHT_VERSION 3
-
-/* Set if this is an interlaced format */
-#define V4L2_FWHT_FL_IS_INTERLACED BIT(0)
-/* Set if this is a bottom-first (NTSC) interlaced format */
-#define V4L2_FWHT_FL_IS_BOTTOM_FIRST BIT(1)
-/* Set if each 'frame' contains just one field */
-#define V4L2_FWHT_FL_IS_ALTERNATE BIT(2)
-/*
- * If V4L2_FWHT_FL_IS_ALTERNATE was set, then this is set if this
- * 'frame' is the bottom field, else it is the top field.
- */
-#define V4L2_FWHT_FL_IS_BOTTOM_FIELD BIT(3)
-/* Set if this frame is uncompressed */
-#define V4L2_FWHT_FL_LUMA_IS_UNCOMPRESSED BIT(4)
-#define V4L2_FWHT_FL_CB_IS_UNCOMPRESSED BIT(5)
-#define V4L2_FWHT_FL_CR_IS_UNCOMPRESSED BIT(6)
-#define V4L2_FWHT_FL_CHROMA_FULL_HEIGHT BIT(7)
-#define V4L2_FWHT_FL_CHROMA_FULL_WIDTH BIT(8)
-#define V4L2_FWHT_FL_ALPHA_IS_UNCOMPRESSED BIT(9)
-#define V4L2_FWHT_FL_I_FRAME BIT(10)
-
-/* A 4-values flag - the number of components - 1 */
-#define V4L2_FWHT_FL_COMPONENTS_NUM_MSK GENMASK(18, 16)
-#define V4L2_FWHT_FL_COMPONENTS_NUM_OFFSET 16
-
-#define V4L2_FWHT_FL_PIXENC_MSK GENMASK(20, 19)
-#define V4L2_FWHT_FL_PIXENC_OFFSET 19
-#define V4L2_FWHT_FL_PIXENC_YUV (1 << V4L2_FWHT_FL_PIXENC_OFFSET)
-#define V4L2_FWHT_FL_PIXENC_RGB (2 << V4L2_FWHT_FL_PIXENC_OFFSET)
-#define V4L2_FWHT_FL_PIXENC_HSV (3 << V4L2_FWHT_FL_PIXENC_OFFSET)
-
/*
* A macro to calculate the needed padding in order to make sure
* both luma and chroma components resolutions are rounded up to
V4L2_BUF_TYPE_VIDEO_CAPTURE);
switch (ctrl->id) {
- case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS:
+ case V4L2_CID_STATELESS_FWHT_PARAMS:
if (!q_dst->info)
return -EINVAL;
params = ctrl->p_new.p_fwht_params;
case V4L2_CID_FWHT_P_FRAME_QP:
ctx->state.p_frame_qp = ctrl->val;
return 0;
- case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS:
+ case V4L2_CID_STATELESS_FWHT_PARAMS:
params = ctrl->p_new.p_fwht_params;
update_header_from_stateless_params(ctx, params);
ctx->state.ref_frame_ts = params->backward_ref_ts;
static const struct v4l2_ctrl_config vicodec_ctrl_stateless_state = {
.ops = &vicodec_ctrl_ops,
- .id = V4L2_CID_MPEG_VIDEO_FWHT_PARAMS,
+ .id = V4L2_CID_STATELESS_FWHT_PARAMS,
.elem_size = sizeof(struct v4l2_ctrl_fwht_params),
};
case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME: return "Force Key Frame";
case V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS: return "MPEG-2 Slice Parameters";
case V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION: return "MPEG-2 Quantization Matrices";
- case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS: return "FWHT Stateless Parameters";
case V4L2_CID_FWHT_I_FRAME_QP: return "FWHT I-Frame QP Value";
case V4L2_CID_FWHT_P_FRAME_QP: return "FWHT P-Frame QP Value";
case V4L2_CID_STATELESS_H264_PRED_WEIGHTS: return "H264 Prediction Weight Table";
case V4L2_CID_STATELESS_H264_SLICE_PARAMS: return "H264 Slice Parameters";
case V4L2_CID_STATELESS_H264_DECODE_PARAMS: return "H264 Decode Parameters";
+ case V4L2_CID_STATELESS_FWHT_PARAMS: return "FWHT Stateless Parameters";
default:
return NULL;
}
case V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION:
*type = V4L2_CTRL_TYPE_MPEG2_QUANTIZATION;
break;
- case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS:
+ case V4L2_CID_STATELESS_FWHT_PARAMS:
*type = V4L2_CTRL_TYPE_FWHT_PARAMS;
break;
case V4L2_CID_STATELESS_H264_SPS:
{
struct v4l2_ctrl_mpeg2_slice_params *p_mpeg2_slice_params;
struct v4l2_ctrl_vp8_frame_header *p_vp8_frame_header;
+ struct v4l2_ctrl_fwht_params *p_fwht_params;
void *p = ptr.p + idx * ctrl->elem_size;
if (ctrl->p_def.p_const)
p_vp8_frame_header = p;
p_vp8_frame_header->num_dct_parts = 1;
break;
+ case V4L2_CTRL_TYPE_FWHT_PARAMS:
+ p_fwht_params = p;
+ p_fwht_params->version = V4L2_FWHT_VERSION;
+ p_fwht_params->width = 1280;
+ p_fwht_params->height = 720;
+ break;
}
}
case V4L2_CTRL_TYPE_H264_PRED_WEIGHTS:
pr_cont("H264_PRED_WEIGHTS");
break;
+ case V4L2_CTRL_TYPE_FWHT_PARAMS:
+ pr_cont("FWHT_PARAMS");
+ break;
default:
pr_cont("unknown type %d", ctrl->type);
break;
{
struct v4l2_ctrl_mpeg2_slice_params *p_mpeg2_slice_params;
struct v4l2_ctrl_vp8_frame_header *p_vp8_frame_header;
+ struct v4l2_ctrl_fwht_params *p_fwht_params;
struct v4l2_ctrl_h264_sps *p_h264_sps;
struct v4l2_ctrl_h264_pps *p_h264_pps;
struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights;
break;
case V4L2_CTRL_TYPE_FWHT_PARAMS:
+ p_fwht_params = p;
+ if (p_fwht_params->version < V4L2_FWHT_VERSION)
+ return -EINVAL;
+ if (!p_fwht_params->width || !p_fwht_params->height)
+ return -EINVAL;
break;
case V4L2_CTRL_TYPE_H264_SPS:
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * These are the FWHT state controls for use with stateless FWHT
- * codec drivers.
- *
- * It turns out that these structs are not stable yet and will undergo
- * more changes. So keep them private until they are stable and ready to
- * become part of the official public API.
- */
-
-#ifndef _FWHT_CTRLS_H_
-#define _FWHT_CTRLS_H_
-
-#define V4L2_CTRL_TYPE_FWHT_PARAMS 0x0105
-
-#define V4L2_CID_MPEG_VIDEO_FWHT_PARAMS (V4L2_CID_CODEC_BASE + 292)
-
-struct v4l2_ctrl_fwht_params {
- __u64 backward_ref_ts;
- __u32 version;
- __u32 width;
- __u32 height;
- __u32 flags;
- __u32 colorspace;
- __u32 xfer_func;
- __u32 ycbcr_enc;
- __u32 quantization;
-};
-
-
-#endif
* This will move to the public headers once this API is fully stable.
*/
#include <media/mpeg2-ctrls.h>
-#include <media/fwht-ctrls.h>
#include <media/vp8-ctrls.h>
#include <media/hevc-ctrls.h>
};
+/* Stateless FWHT control, used by the vicodec driver */
+
+/* Current FWHT version */
+#define V4L2_FWHT_VERSION 3
+
+/* Set if this is an interlaced format */
+#define V4L2_FWHT_FL_IS_INTERLACED BIT(0)
+/* Set if this is a bottom-first (NTSC) interlaced format */
+#define V4L2_FWHT_FL_IS_BOTTOM_FIRST BIT(1)
+/* Set if each 'frame' contains just one field */
+#define V4L2_FWHT_FL_IS_ALTERNATE BIT(2)
+/*
+ * If V4L2_FWHT_FL_IS_ALTERNATE was set, then this is set if this
+ * 'frame' is the bottom field, else it is the top field.
+ */
+#define V4L2_FWHT_FL_IS_BOTTOM_FIELD BIT(3)
+/* Set if the Y' plane is uncompressed */
+#define V4L2_FWHT_FL_LUMA_IS_UNCOMPRESSED BIT(4)
+/* Set if the Cb plane is uncompressed */
+#define V4L2_FWHT_FL_CB_IS_UNCOMPRESSED BIT(5)
+/* Set if the Cr plane is uncompressed */
+#define V4L2_FWHT_FL_CR_IS_UNCOMPRESSED BIT(6)
+/* Set if the chroma plane is full height, if cleared it is half height */
+#define V4L2_FWHT_FL_CHROMA_FULL_HEIGHT BIT(7)
+/* Set if the chroma plane is full width, if cleared it is half width */
+#define V4L2_FWHT_FL_CHROMA_FULL_WIDTH BIT(8)
+/* Set if the alpha plane is uncompressed */
+#define V4L2_FWHT_FL_ALPHA_IS_UNCOMPRESSED BIT(9)
+/* Set if this is an I Frame */
+#define V4L2_FWHT_FL_I_FRAME BIT(10)
+
+/* A 4-values flag - the number of components - 1 */
+#define V4L2_FWHT_FL_COMPONENTS_NUM_MSK GENMASK(18, 16)
+#define V4L2_FWHT_FL_COMPONENTS_NUM_OFFSET 16
+
+/* A 4-values flag - the pixel encoding type */
+#define V4L2_FWHT_FL_PIXENC_MSK GENMASK(20, 19)
+#define V4L2_FWHT_FL_PIXENC_OFFSET 19
+#define V4L2_FWHT_FL_PIXENC_YUV (1 << V4L2_FWHT_FL_PIXENC_OFFSET)
+#define V4L2_FWHT_FL_PIXENC_RGB (2 << V4L2_FWHT_FL_PIXENC_OFFSET)
+#define V4L2_FWHT_FL_PIXENC_HSV (3 << V4L2_FWHT_FL_PIXENC_OFFSET)
+
+#define V4L2_CID_STATELESS_FWHT_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 100)
+/**
+ * struct v4l2_ctrl_fwht_params - FWHT parameters
+ *
+ * @backward_ref_ts: timestamp of the V4L2 capture buffer to use as reference.
+ * The timestamp refers to the timestamp field in struct v4l2_buffer.
+ * Use v4l2_timeval_to_ns() to convert the struct timeval to a __u64.
+ * @version: must be V4L2_FWHT_VERSION.
+ * @width: width of frame.
+ * @height: height of frame.
+ * @flags: FWHT flags (see V4L2_FWHT_FL_*).
+ * @colorspace: the colorspace (enum v4l2_colorspace).
+ * @xfer_func: the transfer function (enum v4l2_xfer_func).
+ * @ycbcr_enc: the Y'CbCr encoding (enum v4l2_ycbcr_encoding).
+ * @quantization: the quantization (enum v4l2_quantization).
+ */
+struct v4l2_ctrl_fwht_params {
+ __u64 backward_ref_ts;
+ __u32 version;
+ __u32 width;
+ __u32 height;
+ __u32 flags;
+ __u32 colorspace;
+ __u32 xfer_func;
+ __u32 ycbcr_enc;
+ __u32 quantization;
+};
+
/* MPEG-compression definitions kept for backwards compatibility */
#ifndef __KERNEL__
#define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC
struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
+ struct v4l2_ctrl_fwht_params __user *p_fwht_params;
void __user *ptr;
};
} __attribute__ ((packed));
V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
+
+ V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
};
/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
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