90 lines
3.5 KiB
Diff
90 lines
3.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jernej Skrabec <jernej.skrabec@siol.net>
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Date: Sat, 26 Oct 2019 13:55:15 +0200
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Subject: [PATCH] media: uapi: hevc: Add scaling matrix control
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HEVC has a scaling matrix concept. Add support for it.
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Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
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---
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drivers/media/v4l2-core/v4l2-ctrls.c | 10 ++++++++++
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include/media/hevc-ctrls.h | 11 +++++++++++
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2 files changed, 21 insertions(+)
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diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
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index 41f8410d08d6..1b981066f94c 100644
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--- a/drivers/media/v4l2-core/v4l2-ctrls.c
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+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
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@@ -1021,6 +1021,7 @@ const char *v4l2_ctrl_get_name(u32 id)
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case V4L2_CID_MPEG_VIDEO_HEVC_SPS: return "HEVC Sequence Parameter Set";
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case V4L2_CID_MPEG_VIDEO_HEVC_PPS: return "HEVC Picture Parameter Set";
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case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: return "HEVC Slice Parameters";
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+ case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX: return "HEVC Scaling Matrix";
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case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: return "HEVC Decode Mode";
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case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return "HEVC Start Code";
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@@ -1461,6 +1462,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
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case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS:
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*type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS;
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break;
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+ case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX:
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+ *type = V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX;
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+ break;
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case V4L2_CID_UNIT_CELL_SIZE:
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*type = V4L2_CTRL_TYPE_AREA;
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*flags |= V4L2_CTRL_FLAG_READ_ONLY;
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@@ -1934,6 +1938,9 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
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zero_padding(*p_hevc_slice_params);
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break;
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+ case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX:
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+ break;
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+
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case V4L2_CTRL_TYPE_AREA:
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area = p;
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if (!area->width || !area->height)
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@@ -2644,6 +2651,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
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case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS:
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elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params);
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break;
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+ case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX:
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+ elem_size = sizeof(struct v4l2_ctrl_hevc_scaling_matrix);
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+ break;
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case V4L2_CTRL_TYPE_AREA:
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elem_size = sizeof(struct v4l2_area);
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break;
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diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
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index a3b650ab00f6..3cf7da003cd9 100644
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--- a/include/media/hevc-ctrls.h
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+++ b/include/media/hevc-ctrls.h
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@@ -19,6 +19,7 @@
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#define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_MPEG_BASE + 1008)
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#define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_MPEG_BASE + 1009)
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#define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_MPEG_BASE + 1010)
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+#define V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (V4L2_CID_MPEG_BASE + 1011)
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#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_MPEG_BASE + 1015)
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#define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_MPEG_BASE + 1016)
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@@ -26,6 +27,7 @@
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#define V4L2_CTRL_TYPE_HEVC_SPS 0x0120
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#define V4L2_CTRL_TYPE_HEVC_PPS 0x0121
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#define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122
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+#define V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX 0x0123
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enum v4l2_mpeg_video_hevc_decode_mode {
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V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED,
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@@ -210,4 +212,13 @@ struct v4l2_ctrl_hevc_slice_params {
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__u64 flags;
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};
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+struct v4l2_ctrl_hevc_scaling_matrix {
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+ __u8 scaling_list_4x4[6][16];
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+ __u8 scaling_list_8x8[6][64];
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+ __u8 scaling_list_16x16[6][64];
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+ __u8 scaling_list_32x32[2][64];
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+ __u8 scaling_list_dc_coef_16x16[6];
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+ __u8 scaling_list_dc_coef_32x32[2];
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+};
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+
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#endif
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