[PATCH v4 07/12] media: verisilicon: Compute motion vectors size for AV1 frames
From: Benjamin Gaignard
Date: Tue Feb 14 2023 - 09:06:35 EST
Compute the additional space required to store motion vectors at
the end of the frames buffers.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
---
version 4:
- Double motion vectors buffer size.
drivers/media/platform/verisilicon/hantro_hw.h | 13 +++++++++++++
.../media/platform/verisilicon/hantro_postproc.c | 3 +++
drivers/media/platform/verisilicon/hantro_v4l2.c | 5 +++++
3 files changed, 21 insertions(+)
diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media/platform/verisilicon/hantro_hw.h
index e83f0c523a30..bc61d4e051c7 100644
--- a/drivers/media/platform/verisilicon/hantro_hw.h
+++ b/drivers/media/platform/verisilicon/hantro_hw.h
@@ -417,6 +417,19 @@ hantro_hevc_mv_size(unsigned int width, unsigned int height)
return width * height / 16;
}
+static inline unsigned short hantro_av1_num_sbs(unsigned short dimension)
+{
+ return DIV_ROUND_UP(dimension, 64);
+}
+
+static inline size_t
+hantro_av1_mv_size(unsigned int width, unsigned int height)
+{
+ size_t num_sbs = hantro_av1_num_sbs(width) * hantro_av1_num_sbs(height);
+
+ return ALIGN(num_sbs * 384, 16) * 2 + 512;
+}
+
int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx);
int rockchip_vpu2_mpeg2_dec_run(struct hantro_ctx *ctx);
void hantro_mpeg2_dec_copy_qtable(u8 *qtable,
diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers/media/platform/verisilicon/hantro_postproc.c
index 6437423ccf3a..bb16af50719d 100644
--- a/drivers/media/platform/verisilicon/hantro_postproc.c
+++ b/drivers/media/platform/verisilicon/hantro_postproc.c
@@ -213,6 +213,9 @@ int hantro_postproc_alloc(struct hantro_ctx *ctx)
else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_HEVC_SLICE)
buf_size += hantro_hevc_mv_size(pix_mp.width,
pix_mp.height);
+ else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_AV1_FRAME)
+ buf_size += hantro_av1_mv_size(pix_mp.width,
+ pix_mp.height);
for (i = 0; i < num_buffers; ++i) {
struct hantro_aux_buf *priv = &ctx->postproc.dec_q[i];
diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c
index 7e74e47c9a89..9adca9b7ef24 100644
--- a/drivers/media/platform/verisilicon/hantro_v4l2.c
+++ b/drivers/media/platform/verisilicon/hantro_v4l2.c
@@ -336,6 +336,11 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx,
pix_mp->plane_fmt[0].sizeimage +=
hantro_hevc_mv_size(pix_mp->width,
pix_mp->height);
+ else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_AV1_FRAME &&
+ !hantro_needs_postproc(ctx, fmt))
+ pix_mp->plane_fmt[0].sizeimage +=
+ hantro_av1_mv_size(pix_mp->width,
+ pix_mp->height);
} else if (!pix_mp->plane_fmt[0].sizeimage) {
/*
* For coded formats the application can specify
--
2.34.1