jeans/LibreELEC.tv
jeans/LibreELEC.tv
1
0
Fork 0
mirror of https://github.com/LibreELEC/LibreELEC.tv.git synced 2025-08-03 16:07:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Rockchip: linux: rkvdec: hevc: improve lowdelay

Browse Source
This commit is contained in:
Alex Bee 2021-10-11 15:26:52 +02:00
parent 2fb5057e0c
commit fc15a8a029
1 changed files with 21 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
projects/Rockchip/patches/linux/default/linux-2001-v4l-wip-rkvdec-hevc.patch
View File

@ -3294,11 +3294,11 @@ Subject: [PATCH] WIP: media: rkvdec: hevc: implement lowdelay
Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
drivers/staging/media/rkvdec/rkvdec-hevc.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
drivers/staging/media/rkvdec/rkvdec-hevc.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/rkvdec/rkvdec-hevc.c b/drivers/staging/media/rkvdec/rkvdec-hevc.c
index 55bf61a84165..3cca79282111 100644
index 55bf61a84165..db33f9d357cf 100644
--- a/drivers/staging/media/rkvdec/rkvdec-hevc.c
+++ b/drivers/staging/media/rkvdec/rkvdec-hevc.c
@@ -2187,6 +2187,7 @@ static void assemble_hw_rps(struct rkvdec_ctx *ctx,
@ -3313,27 +3313,32 @@ index 55bf61a84165..3cca79282111 100644
for (j = 0; j < run->num_slices; j++) {
sl_params = &run->slices_params[j];
dpb = decode_params->dpb;
+ lowdelay = 0;
+ lowdelay = (sl_params->slice_type == V4L2_HEVC_SLICE_TYPE_I) ? 0 : 1;
hw_ps = &priv_tbl->rps[j];
memset(hw_ps, 0, sizeof(*hw_ps));
@@ -2221,8 +2223,18 @@ static void assemble_hw_rps(struct rkvdec_ctx *ctx,
@@ -2211,18 +2213,23 @@ static void assemble_hw_rps(struct rkvdec_ctx *ctx,
WRITE_RPS(!!(dpb[sl_params->ref_idx_l0[i]].rps == V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR),
REF_PIC_LONG_TERM_L0(i));
WRITE_RPS(sl_params->ref_idx_l0[i], REF_PIC_IDX_L0(i));
+
+ if (dpb[sl_params->ref_idx_l0[i]].pic_order_cnt[0] > sl_params->slice_pic_order_cnt)
+ lowdelay = 0;
}
for (i = 0; i <= sl_params->num_ref_idx_l1_active_minus1; i++) {
WRITE_RPS(!!(dpb[sl_params->ref_idx_l1[i]].rps == V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR),
REF_PIC_LONG_TERM_L1(i));
WRITE_RPS(sl_params->ref_idx_l1[i], REF_PIC_IDX_L1(i));
+
+ if (dpb[sl_params->ref_idx_l1[i]].pic_order_cnt[0] > sl_params->slice_pic_order_cnt)
+ lowdelay = 0;
}
//WRITE_RPS(0xffffffff, PS_FIELD(96, 32));
- // TODO: lowdelay
- WRITE_RPS(0, LOWDELAY);
+ if (sl_params->slice_type != V4L2_HEVC_SLICE_TYPE_I &&
+ !(!!(sl_params->flags & V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT))) {
+ lowdelay = 1;
+ for (i = 0; i < decode_params->num_active_dpb_entries; i++) {
+ if (dpb[i].pic_order_cnt[0] > sl_params->slice_pic_order_cnt) {
+ lowdelay = 0;
+ break;
+ }
+ }
+ }
+
+ WRITE_RPS(lowdelay, LOWDELAY);
WRITE_RPS(sl_params->long_term_ref_pic_set_size +