Now that segment address is available, support for multi-slice frames
can be easily added.
Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
---
.../staging/media/sunxi/cedrus/cedrus_h265.c | 21 +++++++++++++++----
.../staging/media/sunxi/cedrus/cedrus_video.c | 1 +
2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
index 888bfd5ca224..e909adf6f30f 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
@@ -366,15 +366,28 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx,
reg = VE_DEC_H265_BITS_END_ADDR_BASE(src_buf_end_addr);
cedrus_write(dev, VE_DEC_H265_BITS_END_ADDR, reg);
- /* Coding tree block address: start at the beginning. */
+ /* Coding tree block address */
reg = VE_DEC_H265_DEC_CTB_ADDR_X(0) | VE_DEC_H265_DEC_CTB_ADDR_Y(0);
+ if (!ctx->fh.m2m_ctx->new_frame) {
+ unsigned int log2_max_luma_coding_block_size =
+ sps->log2_min_luma_coding_block_size_minus3 + 3 +
+ sps->log2_diff_max_min_luma_coding_block_size;
+ unsigned int ctb_size_luma =
+ 1UL << log2_max_luma_coding_block_size;
+ unsigned int width_in_ctb_luma =
+ DIV_ROUND_UP(sps->pic_width_in_luma_samples, ctb_size_luma);
+
+ reg = VE_DEC_H265_DEC_CTB_ADDR_X(slice_params->slice_segment_addr % width_in_ctb_luma);
+ reg |= VE_DEC_H265_DEC_CTB_ADDR_Y(slice_params->slice_segment_addr / width_in_ctb_luma);
+ }
cedrus_write(dev, VE_DEC_H265_DEC_CTB_ADDR, reg);
cedrus_write(dev, VE_DEC_H265_TILE_START_CTB, 0);
cedrus_write(dev, VE_DEC_H265_TILE_END_CTB, 0);
/* Clear the number of correctly-decoded coding tree blocks. */
- cedrus_write(dev, VE_DEC_H265_DEC_CTB_NUM, 0);
+ if (ctx->fh.m2m_ctx->new_frame)
+ cedrus_write(dev, VE_DEC_H265_DEC_CTB_NUM, 0);
/* Initialize bitstream access. */
cedrus_write(dev, VE_DEC_H265_TRIGGER, VE_DEC_H265_TRIGGER_INIT_SWDEC);
@@ -523,8 +536,8 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx,
V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT,
pps->flags);
- /* FIXME: For multi-slice support. */
- reg |= VE_DEC_H265_DEC_SLICE_HDR_INFO0_FLAG_FIRST_SLICE_SEGMENT_IN_PIC;
+ if (ctx->fh.m2m_ctx->new_frame)
+ reg |= VE_DEC_H265_DEC_SLICE_HDR_INFO0_FLAG_FIRST_SLICE_SEGMENT_IN_PIC;
cedrus_write(dev, VE_DEC_H265_DEC_SLICE_HDR_INFO0, reg);
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
index 15cf1f10221b..497b1199d3fe 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
@@ -311,6 +311,7 @@ static int cedrus_s_fmt_vid_out(struct file *file, void *priv,
switch (ctx->src_fmt.pixelformat) {
case V4L2_PIX_FMT_H264_SLICE:
+ case V4L2_PIX_FMT_HEVC_SLICE:
vq->subsystem_flags |=
VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF;
break;
--
2.23.0
