diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0495-media-uapi-hevc-Add-scaling-matrix-control.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0495-media-uapi-hevc-Add-scaling-matrix-control.patch | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0495-media-uapi-hevc-Add-scaling-matrix-control.patch b/target/linux/bcm27xx/patches-5.4/950-0495-media-uapi-hevc-Add-scaling-matrix-control.patch deleted file mode 100644 index 403bf61c12..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0495-media-uapi-hevc-Add-scaling-matrix-control.patch +++ /dev/null @@ -1,150 +0,0 @@ -From 70b5a28786215c996503210abd3e44c200771640 Mon Sep 17 00:00:00 2001 -From: Jernej Skrabec <jernej.skrabec@siol.net> -Date: Fri, 13 Dec 2019 17:04:25 +0100 -Subject: [PATCH] media: uapi: hevc: Add scaling matrix control - -Taken from https://patchwork.linuxtv.org/patch/60728/ -Changes (mainly documentation) have been requested. - -HEVC has a scaling matrix concept. Add support for it. - -Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> ---- - .../media/uapi/v4l/ext-ctrls-codec.rst | 41 +++++++++++++++++++ - .../media/uapi/v4l/pixfmt-compressed.rst | 1 + - drivers/media/v4l2-core/v4l2-ctrls.c | 10 +++++ - include/media/hevc-ctrls.h | 11 +++++ - 4 files changed, 63 insertions(+) - ---- a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst -+++ b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst -@@ -4174,6 +4174,47 @@ enum v4l2_mpeg_video_hevc_size_of_length - - ``padding[6]`` - - Applications and drivers must set this to zero. - -+``V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (struct)`` -+ Specifies the scaling matrix (as extracted from the bitstream) for -+ the associated HEVC slice data. The bitstream parameters are -+ defined according to :ref:`hevc`, section 7.4.5 "Scaling list -+ data semantics". For further documentation, refer to the above -+ specification, unless there is an explicit comment stating -+ otherwise. -+ -+ .. note:: -+ -+ This compound control is not yet part of the public kernel API and -+ it is expected to change. -+ -+.. c:type:: v4l2_ctrl_hevc_scaling_matrix -+ -+.. cssclass:: longtable -+ -+.. flat-table:: struct v4l2_ctrl_hevc_scaling_matrix -+ :header-rows: 0 -+ :stub-columns: 0 -+ :widths: 1 1 2 -+ -+ * - __u8 -+ - ``scaling_list_4x4[6][16]`` -+ - -+ * - __u8 -+ - ``scaling_list_8x8[6][64]`` -+ - -+ * - __u8 -+ - ``scaling_list_16x16[6][64]`` -+ - -+ * - __u8 -+ - ``scaling_list_32x32[2][64]`` -+ - -+ * - __u8 -+ - ``scaling_list_dc_coef_16x16[6]`` -+ - -+ * - __u8 -+ - ``scaling_list_dc_coef_32x32[2]`` -+ - -+ - ``V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (enum)`` - Specifies the decoding mode to use. Currently exposes slice-based and - frame-based decoding but new modes might be added later on. ---- a/Documentation/media/uapi/v4l/pixfmt-compressed.rst -+++ b/Documentation/media/uapi/v4l/pixfmt-compressed.rst -@@ -203,6 +203,7 @@ Compressed Formats - * ``V4L2_CID_MPEG_VIDEO_HEVC_SPS`` - * ``V4L2_CID_MPEG_VIDEO_HEVC_PPS`` - * ``V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS`` -+ * ``V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX`` - See the :ref:`associated Codec Control IDs <v4l2-mpeg-hevc>`. - Buffers associated with this pixel format must contain the appropriate - number of macroblocks to decode a full corresponding frame. ---- a/drivers/media/v4l2-core/v4l2-ctrls.c -+++ b/drivers/media/v4l2-core/v4l2-ctrls.c -@@ -974,6 +974,7 @@ const char *v4l2_ctrl_get_name(u32 id) - case V4L2_CID_MPEG_VIDEO_HEVC_SPS: return "HEVC Sequence Parameter Set"; - case V4L2_CID_MPEG_VIDEO_HEVC_PPS: return "HEVC Picture Parameter Set"; - case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: return "HEVC Slice Parameters"; -+ case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX: return "HEVC Scaling Matrix"; - case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: return "HEVC Decode Mode"; - case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return "HEVC Start Code"; - -@@ -1406,6 +1407,9 @@ void v4l2_ctrl_fill(u32 id, const char * - case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: - *type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS; - break; -+ case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX: -+ *type = V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX; -+ break; - case V4L2_CID_UNIT_CELL_SIZE: - *type = V4L2_CTRL_TYPE_AREA; - *flags |= V4L2_CTRL_FLAG_READ_ONLY; -@@ -1852,6 +1856,9 @@ static int std_validate_compound(const s - zero_padding(*p_hevc_slice_params); - break; - -+ case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX: -+ break; -+ - case V4L2_CTRL_TYPE_AREA: - area = p; - if (!area->width || !area->height) -@@ -2549,6 +2556,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(s - case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: - elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params); - break; -+ case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX: -+ elem_size = sizeof(struct v4l2_ctrl_hevc_scaling_matrix); -+ break; - case V4L2_CTRL_TYPE_AREA: - elem_size = sizeof(struct v4l2_area); - break; ---- a/include/media/hevc-ctrls.h -+++ b/include/media/hevc-ctrls.h -@@ -19,6 +19,7 @@ - #define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_MPEG_BASE + 1008) - #define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_MPEG_BASE + 1009) - #define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_MPEG_BASE + 1010) -+#define V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (V4L2_CID_MPEG_BASE + 1011) - #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_MPEG_BASE + 1015) - #define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_MPEG_BASE + 1016) - -@@ -26,6 +27,7 @@ - #define V4L2_CTRL_TYPE_HEVC_SPS 0x0120 - #define V4L2_CTRL_TYPE_HEVC_PPS 0x0121 - #define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122 -+#define V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX 0x0123 - - enum v4l2_mpeg_video_hevc_decode_mode { - V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED, -@@ -209,4 +211,13 @@ struct v4l2_ctrl_hevc_slice_params { - __u64 flags; - }; - -+struct v4l2_ctrl_hevc_scaling_matrix { -+ __u8 scaling_list_4x4[6][16]; -+ __u8 scaling_list_8x8[6][64]; -+ __u8 scaling_list_16x16[6][64]; -+ __u8 scaling_list_32x32[2][64]; -+ __u8 scaling_list_dc_coef_16x16[6]; -+ __u8 scaling_list_dc_coef_32x32[2]; -+}; -+ - #endif |