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66 lines
2.3 KiB
Diff
66 lines
2.3 KiB
Diff
From a282fdf22ec16930283a198e4aa7a7b142839048 Mon Sep 17 00:00:00 2001
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From: Jernej Skrabec <jernej.skrabec@siol.net>
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Date: Fri, 13 Dec 2019 17:04:27 +0100
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Subject: [PATCH 212/634] media: uapi: hevc: Add segment address field
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From https://patchwork.linuxtv.org/patch/60725/
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Changes requested, but mainly docs.
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If HEVC frame consists of multiple slices, segment address has to be
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known in order to properly decode it.
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Add segment address field to slice parameters.
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Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
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---
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.../userspace-api/media/v4l/ext-ctrls-codec.rst | 3 +++
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include/media/hevc-ctrls.h | 9 +++++++--
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2 files changed, 10 insertions(+), 2 deletions(-)
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diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
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index dca893cb9f18..b699257ebb96 100644
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--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
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+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
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@@ -2961,6 +2961,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
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* - __u32
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- ``data_bit_offset``
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- Offset (in bits) to the video data in the current slice data.
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+ * - __u32
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+ - ``slice_segment_addr``
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+ -
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* - __u8
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- ``nal_unit_type``
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-
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diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
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index 1c6567b13b7e..7cbbbf055f47 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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@@ -173,6 +173,10 @@ struct v4l2_ctrl_hevc_slice_params {
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__u32 bit_size;
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__u32 data_bit_offset;
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+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
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+ __u32 slice_segment_addr;
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+ __u32 num_entry_point_offsets;
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+
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/* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */
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__u8 nal_unit_type;
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__u8 nuh_temporal_id_plus1;
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@@ -198,11 +202,12 @@ struct v4l2_ctrl_hevc_slice_params {
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__u8 pic_struct;
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/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
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- __u32 slice_segment_addr;
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__u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
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__u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
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- __u8 padding;
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+ __u8 padding[5];
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+
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+ __u32 entry_point_offset_minus1[256];
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/* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */
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struct v4l2_hevc_pred_weight_table pred_weight_table;
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--
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2.33.1
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