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62 lines
2.1 KiB
Diff
62 lines
2.1 KiB
Diff
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From 88eb3b015b6f61252fd214d39fc7fc0379ee0442 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] 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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Documentation/media/uapi/v4l/ext-ctrls-codec.rst | 5 ++++-
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include/media/hevc-ctrls.h | 5 ++++-
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2 files changed, 8 insertions(+), 2 deletions(-)
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--- a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst
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+++ b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst
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@@ -3969,6 +3969,9 @@ enum v4l2_mpeg_video_hevc_size_of_length
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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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@@ -4046,7 +4049,7 @@ enum v4l2_mpeg_video_hevc_size_of_length
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- ``num_rps_poc_lt_curr``
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- The number of reference pictures in the long-term set.
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* - __u8
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- - ``padding[7]``
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+ - ``padding[5]``
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- Applications and drivers must set this to zero.
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* - struct :c:type:`v4l2_hevc_dpb_entry`
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- ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
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--- a/include/media/hevc-ctrls.h
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+++ b/include/media/hevc-ctrls.h
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@@ -167,6 +167,9 @@ 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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+
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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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@@ -200,7 +203,7 @@ struct v4l2_ctrl_hevc_slice_params {
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__u8 num_rps_poc_st_curr_after;
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__u8 num_rps_poc_lt_curr;
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- __u8 padding;
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+ __u8 padding[5];
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/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
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struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
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