| Message ID | 20210606082314.454193-2-jernej.skrabec@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: cedrus: hevc: add support for multiple slices | expand |
Le 06/06/2021 à 10:23, Jernej Skrabec a écrit : > 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@gmail.com> Reviewed-by Benjamin Gaignard <benjamin.gaignard@collabora.com> > --- > Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 3 +++ > include/media/hevc-ctrls.h | 3 ++- > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > index 9120c5bcaf90..fac4b477da82 100644 > --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > @@ -2997,6 +2997,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - > * - __u8 > - ``pic_struct`` > - > + * - __u32 > + - ``slice_segment_addr`` > + - > * - __u8 > - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - The list of L0 reference elements as indices in the DPB. > diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h > index dc964ff7cd29..19f8e2ad3375 100644 > --- a/include/media/hevc-ctrls.h > +++ b/include/media/hevc-ctrls.h > @@ -197,10 +197,11 @@ struct v4l2_ctrl_hevc_slice_params { > __u8 pic_struct; > > /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ > + __u32 slice_segment_addr; > __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > > - __u8 padding[5]; > + __u8 padding; > > /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ > struct v4l2_hevc_pred_weight_table pred_weight_table;
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 9120c5bcaf90..fac4b477da82 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -2997,6 +2997,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - * - __u8 - ``pic_struct`` - + * - __u32 + - ``slice_segment_addr`` + - * - __u8 - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - The list of L0 reference elements as indices in the DPB. diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h index dc964ff7cd29..19f8e2ad3375 100644 --- a/include/media/hevc-ctrls.h +++ b/include/media/hevc-ctrls.h @@ -197,10 +197,11 @@ struct v4l2_ctrl_hevc_slice_params { __u8 pic_struct; /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ + __u32 slice_segment_addr; __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u8 padding[5]; + __u8 padding; /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ struct v4l2_hevc_pred_weight_table pred_weight_table;
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@gmail.com> --- Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 3 +++ include/media/hevc-ctrls.h | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-)