| Message ID | 20220617083545.133920-15-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Move HEVC stateless controls out of staging | expand |
Dne petek, 17. junij 2022 ob 10:35:42 CEST je Benjamin Gaignard napisal(a): > The number of bits to skip in the slice header can be computed > in the driver by using sps, pps and decode_params information. > This makes it possible to remove Hantro dedicated control. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> > --- > version 9: > - Reword commit message > - Use fls() > > drivers/staging/media/hantro/hantro_drv.c | 36 ------------------ > .../staging/media/hantro/hantro_g2_hevc_dec.c | 37 ++++++++++++++++++- > include/media/hevc-ctrls.h | 13 ------- > 3 files changed, 36 insertions(+), 50 deletions(-) > > diff --git a/drivers/staging/media/hantro/hantro_drv.c > b/drivers/staging/media/hantro/hantro_drv.c index > 536c8c374952..5aac3a090480 100644 > --- a/drivers/staging/media/hantro/hantro_drv.c > +++ b/drivers/staging/media/hantro/hantro_drv.c > @@ -304,26 +304,6 @@ static int hantro_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) > return 0; > } > > -static int hantro_hevc_s_ctrl(struct v4l2_ctrl *ctrl) > -{ > - struct hantro_ctx *ctx; > - > - ctx = container_of(ctrl->handler, > - struct hantro_ctx, ctrl_handler); > - > - vpu_debug(1, "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val); > - > - switch (ctrl->id) { > - case V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP: > - ctx->hevc_dec.ctrls.hevc_hdr_skip_length = ctrl->val; > - break; > - default: > - return -EINVAL; > - } > - > - return 0; > -} > - > static const struct v4l2_ctrl_ops hantro_ctrl_ops = { > .try_ctrl = hantro_try_ctrl, > }; > @@ -332,10 +312,6 @@ static const struct v4l2_ctrl_ops hantro_jpeg_ctrl_ops > = { .s_ctrl = hantro_jpeg_s_ctrl, > }; > > -static const struct v4l2_ctrl_ops hantro_hevc_ctrl_ops = { > - .s_ctrl = hantro_hevc_s_ctrl, > -}; > - > #define HANTRO_JPEG_ACTIVE_MARKERS (V4L2_JPEG_ACTIVE_MARKER_APP0 | \ > V4L2_JPEG_ACTIVE_MARKER_COM | \ > V4L2_JPEG_ACTIVE_MARKER_DQT | \ > @@ -487,18 +463,6 @@ static const struct hantro_ctrl controls[] = { > .cfg = { > .id = V4L2_CID_STATELESS_HEVC_SCALING_MATRIX, > }, > - }, { > - .codec = HANTRO_HEVC_DECODER, > - .cfg = { > - .id = V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP, > - .name = "Hantro HEVC slice header skip bytes", > - .type = V4L2_CTRL_TYPE_INTEGER, > - .min = 0, > - .def = 0, > - .max = 0x100, > - .step = 1, > - .ops = &hantro_hevc_ctrl_ops, > - }, > }, { > .codec = HANTRO_VP9_DECODER, > .cfg = { > diff --git a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c > b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c index > d28653d04d20..9eac133bda68 100644 > --- a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c > +++ b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c > @@ -117,6 +117,41 @@ static void prepare_tile_info_buffer(struct hantro_ctx > *ctx) vpu_debug(1, "%s: no chroma!\n", __func__); > } > > +static int compute_header_skip_lenght(struct hantro_ctx *ctx) lenght -> length Best regards, Jernej > +{ > + const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls; > + const struct v4l2_ctrl_hevc_decode_params *decode_params = > ctrls->decode_params; + const struct v4l2_ctrl_hevc_sps *sps = ctrls->sps; > + const struct v4l2_ctrl_hevc_pps *pps = ctrls->pps; > + int skip = 0; > + > + if (pps->flags & V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT) > + /* size of pic_output_flag */ > + skip++; > + > + if (sps->flags & V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE) > + /* size of pic_order_cnt_lsb */ > + skip += 2; > + > + if (!(decode_params->flags & V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC)) { > + /* size of pic_order_cnt_lsb */ > + skip += sps->log2_max_pic_order_cnt_lsb_minus4 + 4; > + > + /* size of short_term_ref_pic_set_sps_flag */ > + skip++; > + > + if (decode_params->short_term_ref_pic_set_size) > + /* size of st_ref_pic_set( num_short_term_ref_pic_sets ) */ > + skip += decode_params- >short_term_ref_pic_set_size; > + else if (sps->num_short_term_ref_pic_sets > 1) > + skip += fls(sps->num_short_term_ref_pic_sets - 1); > + > + skip += decode_params->long_term_ref_pic_set_size; > + } > + > + return skip; > +} > + > static void set_params(struct hantro_ctx *ctx) > { > const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls; > @@ -134,7 +169,7 @@ static void set_params(struct hantro_ctx *ctx) > > hantro_reg_write(vpu, &g2_output_8_bits, 0); > > - hantro_reg_write(vpu, &g2_hdr_skip_length, ctrls- >hevc_hdr_skip_length); > + hantro_reg_write(vpu, &g2_hdr_skip_length, > compute_header_skip_lenght(ctx)); > > min_log2_cb_size = sps->log2_min_luma_coding_block_size_minus3 + 3; > max_log2_ctb_size = min_log2_cb_size + > sps->log2_diff_max_min_luma_coding_block_size; diff --git > a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h index > 42d16e8a1050..9239e8b649e0 100644 > --- a/include/media/hevc-ctrls.h > +++ b/include/media/hevc-ctrls.h > @@ -465,17 +465,4 @@ struct v4l2_ctrl_hevc_scaling_matrix { > __u8 scaling_list_dc_coef_32x32[2]; > }; > > -/* MPEG-class control IDs specific to the Hantro driver as defined by V4L2 > */ -#define V4L2_CID_CODEC_HANTRO_BASE (V4L2_CTRL_CLASS_CODEC | 0x1200) > -/* > - * V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP - > - * the number of data (in bits) to skip in the > - * slice segment header. > - * If non-IDR, the bits to be skipped go from syntax element > "pic_output_flag" - * to before syntax element > "slice_temporal_mvp_enabled_flag". > - * If IDR, the skipped bits are just "pic_output_flag" > - * (separate_colour_plane_flag is not supported). > - */ > -#define V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP (V4L2_CID_CODEC_HANTRO_BASE > + 0) - > #endif
diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index 536c8c374952..5aac3a090480 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -304,26 +304,6 @@ static int hantro_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) return 0; } -static int hantro_hevc_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct hantro_ctx *ctx; - - ctx = container_of(ctrl->handler, - struct hantro_ctx, ctrl_handler); - - vpu_debug(1, "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val); - - switch (ctrl->id) { - case V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP: - ctx->hevc_dec.ctrls.hevc_hdr_skip_length = ctrl->val; - break; - default: - return -EINVAL; - } - - return 0; -} - static const struct v4l2_ctrl_ops hantro_ctrl_ops = { .try_ctrl = hantro_try_ctrl, }; @@ -332,10 +312,6 @@ static const struct v4l2_ctrl_ops hantro_jpeg_ctrl_ops = { .s_ctrl = hantro_jpeg_s_ctrl, }; -static const struct v4l2_ctrl_ops hantro_hevc_ctrl_ops = { - .s_ctrl = hantro_hevc_s_ctrl, -}; - #define HANTRO_JPEG_ACTIVE_MARKERS (V4L2_JPEG_ACTIVE_MARKER_APP0 | \ V4L2_JPEG_ACTIVE_MARKER_COM | \ V4L2_JPEG_ACTIVE_MARKER_DQT | \ @@ -487,18 +463,6 @@ static const struct hantro_ctrl controls[] = { .cfg = { .id = V4L2_CID_STATELESS_HEVC_SCALING_MATRIX, }, - }, { - .codec = HANTRO_HEVC_DECODER, - .cfg = { - .id = V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP, - .name = "Hantro HEVC slice header skip bytes", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .def = 0, - .max = 0x100, - .step = 1, - .ops = &hantro_hevc_ctrl_ops, - }, }, { .codec = HANTRO_VP9_DECODER, .cfg = { diff --git a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c index d28653d04d20..9eac133bda68 100644 --- a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c +++ b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c @@ -117,6 +117,41 @@ static void prepare_tile_info_buffer(struct hantro_ctx *ctx) vpu_debug(1, "%s: no chroma!\n", __func__); } +static int compute_header_skip_lenght(struct hantro_ctx *ctx) +{ + const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls; + const struct v4l2_ctrl_hevc_decode_params *decode_params = ctrls->decode_params; + const struct v4l2_ctrl_hevc_sps *sps = ctrls->sps; + const struct v4l2_ctrl_hevc_pps *pps = ctrls->pps; + int skip = 0; + + if (pps->flags & V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT) + /* size of pic_output_flag */ + skip++; + + if (sps->flags & V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE) + /* size of pic_order_cnt_lsb */ + skip += 2; + + if (!(decode_params->flags & V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC)) { + /* size of pic_order_cnt_lsb */ + skip += sps->log2_max_pic_order_cnt_lsb_minus4 + 4; + + /* size of short_term_ref_pic_set_sps_flag */ + skip++; + + if (decode_params->short_term_ref_pic_set_size) + /* size of st_ref_pic_set( num_short_term_ref_pic_sets ) */ + skip += decode_params->short_term_ref_pic_set_size; + else if (sps->num_short_term_ref_pic_sets > 1) + skip += fls(sps->num_short_term_ref_pic_sets - 1); + + skip += decode_params->long_term_ref_pic_set_size; + } + + return skip; +} + static void set_params(struct hantro_ctx *ctx) { const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls; @@ -134,7 +169,7 @@ static void set_params(struct hantro_ctx *ctx) hantro_reg_write(vpu, &g2_output_8_bits, 0); - hantro_reg_write(vpu, &g2_hdr_skip_length, ctrls->hevc_hdr_skip_length); + hantro_reg_write(vpu, &g2_hdr_skip_length, compute_header_skip_lenght(ctx)); min_log2_cb_size = sps->log2_min_luma_coding_block_size_minus3 + 3; max_log2_ctb_size = min_log2_cb_size + sps->log2_diff_max_min_luma_coding_block_size; diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h index 42d16e8a1050..9239e8b649e0 100644 --- a/include/media/hevc-ctrls.h +++ b/include/media/hevc-ctrls.h @@ -465,17 +465,4 @@ struct v4l2_ctrl_hevc_scaling_matrix { __u8 scaling_list_dc_coef_32x32[2]; }; -/* MPEG-class control IDs specific to the Hantro driver as defined by V4L2 */ -#define V4L2_CID_CODEC_HANTRO_BASE (V4L2_CTRL_CLASS_CODEC | 0x1200) -/* - * V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP - - * the number of data (in bits) to skip in the - * slice segment header. - * If non-IDR, the bits to be skipped go from syntax element "pic_output_flag" - * to before syntax element "slice_temporal_mvp_enabled_flag". - * If IDR, the skipped bits are just "pic_output_flag" - * (separate_colour_plane_flag is not supported). - */ -#define V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP (V4L2_CID_CODEC_HANTRO_BASE + 0) - #endif
The number of bits to skip in the slice header can be computed in the driver by using sps, pps and decode_params information. This makes it possible to remove Hantro dedicated control. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> --- version 9: - Reword commit message - Use fls() drivers/staging/media/hantro/hantro_drv.c | 36 ------------------ .../staging/media/hantro/hantro_g2_hevc_dec.c | 37 ++++++++++++++++++- include/media/hevc-ctrls.h | 13 ------- 3 files changed, 36 insertions(+), 50 deletions(-)