Add structs and definitions needed to implement stateless
decoder for fwht.
Signed-off-by: Dafna Hirschfeld <daf...@gmail.com>
---
drivers/media/platform/vicodec/vicodec-core.c | 15 +++++---
drivers/media/v4l2-core/v4l2-ctrls.c | 10 ++++++
include/media/fwht-ctrls.h | 35 +++++++++++++++++++
include/media/v4l2-ctrls.h | 4 ++-
include/uapi/linux/videodev2.h | 1 +
5 files changed, 60 insertions(+), 5 deletions(-)
create mode 100644 include/media/fwht-ctrls.h
diff --git a/drivers/media/platform/vicodec/vicodec-core.c
b/drivers/media/platform/vicodec/vicodec-core.c
index 2b71b723862a..869fe33f6f26 100644
--- a/drivers/media/platform/vicodec/vicodec-core.c
+++ b/drivers/media/platform/vicodec/vicodec-core.c
@@ -64,6 +64,10 @@ static const struct v4l2_fwht_pixfmt_info pixfmt_fwht = {
V4L2_PIX_FMT_FWHT, 0, 3, 1, 1, 1, 1, 1, 0, 1
};
+static const struct v4l2_fwht_pixfmt_info pixfmt_stateless_fwht = {
+ V4L2_PIX_FMT_FWHT_STATELESS, 0, 3, 1, 1, 1, 1, 1, 0, 1
+};
+
static void vicodec_dev_release(struct device *dev)
{
}
@@ -1510,10 +1514,6 @@ static int queue_init(void *priv, struct vb2_queue
*src_vq,
return vb2_queue_init(dst_vq);
}
-#define VICODEC_CID_CUSTOM_BASE (V4L2_CID_MPEG_BASE | 0xf000)
-#define VICODEC_CID_I_FRAME_QP (VICODEC_CID_CUSTOM_BASE + 0)
-#define VICODEC_CID_P_FRAME_QP (VICODEC_CID_CUSTOM_BASE + 1)
-
static int vicodec_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct vicodec_ctx *ctx = container_of(ctrl->handler,
@@ -1559,6 +1559,13 @@ static const struct v4l2_ctrl_config
vicodec_ctrl_p_frame = {
.step = 1,
};
+static const struct v4l2_ctrl_config vicodec_ctrl_stateless_state = {
+ .id = VICODEC_CID_STATELESS_FWHT,
+ .elem_size = sizeof(struct v4l2_ctrl_fwht_params),
+ .name = "FWHT-Stateless State Params",
+ .type = V4L2_CTRL_TYPE_FWHT_PARAMS,
+};
+
/*
* File operations
*/
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c
b/drivers/media/v4l2-core/v4l2-ctrls.c
index 54d66dbc2a31..bfd51c2c1368 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -849,6 +849,7 @@ const char *v4l2_ctrl_get_name(u32 id)
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 VICODEC_CID_STATELESS_FWHT: return "FWHT
stateless parameters";
/* VPX controls */
case V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS: return "VPX
Number of Partitions";
@@ -1303,6 +1304,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum
v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION:
*type = V4L2_CTRL_TYPE_MPEG2_QUANTIZATION;
break;
+ case VICODEC_CID_STATELESS_FWHT:
+ *type = V4L2_CTRL_TYPE_FWHT_PARAMS;
+ break;
default:
*type = V4L2_CTRL_TYPE_INTEGER;
break;
@@ -1669,6 +1673,9 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32
idx,
case V4L2_CTRL_TYPE_MPEG2_QUANTIZATION:
return 0;
+ case V4L2_CTRL_TYPE_FWHT_PARAMS:
+ return 0;
+
default:
return -EINVAL;
}
@@ -2249,6 +2256,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct
v4l2_ctrl_handler *hdl,
case V4L2_CTRL_TYPE_MPEG2_QUANTIZATION:
elem_size = sizeof(struct v4l2_ctrl_mpeg2_quantization);
break;
+ case V4L2_CTRL_TYPE_FWHT_PARAMS:
+ elem_size = sizeof(struct v4l2_ctrl_fwht_params);
+ break;
default:
if (type < V4L2_CTRL_COMPOUND_TYPES)
elem_size = sizeof(s32);
diff --git a/include/media/fwht-ctrls.h b/include/media/fwht-ctrls.h
new file mode 100644
index 000000000000..3e7f411f5f94
--- /dev/null
+++ b/include/media/fwht-ctrls.h
@@ -0,0 +1,35 @@
+/* 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 VICODEC_CID_CUSTOM_BASE (V4L2_CID_MPEG_BASE | 0xf000)
+#define VICODEC_CID_I_FRAME_QP (VICODEC_CID_CUSTOM_BASE + 0)
+#define VICODEC_CID_P_FRAME_QP (VICODEC_CID_CUSTOM_BASE + 1)
+#define VICODEC_CID_STATELESS_FWHT (VICODEC_CID_CUSTOM_BASE + 2)
+
+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;
+ __u32 comp_frame_size;
+};
+
+
+#endif
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index c40dcf79b5b9..4dad20658feb 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -23,10 +23,11 @@
#include <media/media-request.h>
/*
- * Include the mpeg2 stateless codec compound control definitions.
+ * Include the mpeg2 and fwht stateless codec compound control definitions.
* This will move to the public headers once this API is fully stable.
*/
#include <media/mpeg2-ctrls.h>
+#include <media/fwht-ctrls.h>
/* forward references */
struct file;
@@ -60,6 +61,7 @@ union v4l2_ctrl_ptr {
char *p_char;
struct v4l2_ctrl_mpeg2_slice_params *p_mpeg2_slice_params;
struct v4l2_ctrl_mpeg2_quantization *p_mpeg2_quantization;
+ struct v4l2_ctrl_fwht_params *p_fwht_params;
void *p;
};
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 97e6a6a968ba..1ac3c22d883a 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -669,6 +669,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka
H.265 */
#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh
Hadamard Transform (vicodec) */
+#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /*
Stateless FWHT (vicodec) */
/* Vendor-specific formats */
#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
--
2.17.1
