diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0496-media-uapi-hevc-Add-segment-address-field.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0496-media-uapi-hevc-Add-segment-address-field.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0496-media-uapi-hevc-Add-segment-address-field.patch b/target/linux/bcm27xx/patches-5.4/950-0496-media-uapi-hevc-Add-segment-address-field.patch new file mode 100644 index 0000000000..91f195b4ae --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0496-media-uapi-hevc-Add-segment-address-field.patch @@ -0,0 +1,61 @@ +From 88eb3b015b6f61252fd214d39fc7fc0379ee0442 Mon Sep 17 00:00:00 2001 +From: Jernej Skrabec <jernej.skrabec@siol.net> +Date: Fri, 13 Dec 2019 17:04:27 +0100 +Subject: [PATCH] media: uapi: hevc: Add segment address field + +From https://patchwork.linuxtv.org/patch/60725/ +Changes requested, but mainly docs. + +If HEVC frame consists of multiple slices, segment address has to be +known in order to properly decode it. + +Add segment address field to slice parameters. + +Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> +--- + Documentation/media/uapi/v4l/ext-ctrls-codec.rst | 5 ++++- + include/media/hevc-ctrls.h | 5 ++++- + 2 files changed, 8 insertions(+), 2 deletions(-) + +--- a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst ++++ b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst +@@ -3969,6 +3969,9 @@ enum v4l2_mpeg_video_hevc_size_of_length + * - __u32 + - ``data_bit_offset`` + - Offset (in bits) to the video data in the current slice data. ++ * - __u32 ++ - ``slice_segment_addr`` ++ - + * - __u8 + - ``nal_unit_type`` + - +@@ -4046,7 +4049,7 @@ enum v4l2_mpeg_video_hevc_size_of_length + - ``num_rps_poc_lt_curr`` + - The number of reference pictures in the long-term set. + * - __u8 +- - ``padding[7]`` ++ - ``padding[5]`` + - Applications and drivers must set this to zero. + * - struct :c:type:`v4l2_hevc_dpb_entry` + - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` +--- a/include/media/hevc-ctrls.h ++++ b/include/media/hevc-ctrls.h +@@ -167,6 +167,9 @@ struct v4l2_ctrl_hevc_slice_params { + __u32 bit_size; + __u32 data_bit_offset; + ++ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ ++ __u32 slice_segment_addr; ++ + /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ + __u8 nal_unit_type; + __u8 nuh_temporal_id_plus1; +@@ -200,7 +203,7 @@ struct v4l2_ctrl_hevc_slice_params { + __u8 num_rps_poc_st_curr_after; + __u8 num_rps_poc_lt_curr; + +- __u8 padding; ++ __u8 padding[5]; + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ + struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; |