[PATCH v3 07/13] media: verisilicon: Check AV1 bitstreams bit depth
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2023-01-11 17:00:19
Also in:
linux-devicetree, linux-media, linux-rockchip, lkml
Subsystem:
hantro vpu codec driver, media input infrastructure (v4l/dvb), the rest · Maintainers:
Nicolas Dufresne, Benjamin Gaignard, Philipp Zabel, Mauro Carvalho Chehab, Linus Torvalds
The driver supports 8 and 10 bits bitstreams, make sure to discard other cases. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> --- drivers/media/platform/verisilicon/hantro_drv.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c
index 8e93710dcfed..16539e89935c 100644
--- a/drivers/media/platform/verisilicon/hantro_drv.c
+++ b/drivers/media/platform/verisilicon/hantro_drv.c@@ -282,7 +282,13 @@ static int hantro_try_ctrl(struct v4l2_ctrl *ctrl) /* We only support profile 0 */ if (dec_params->profile != 0) return -EINVAL; + } else if (ctrl->id == V4L2_CID_STATELESS_AV1_SEQUENCE) { + const struct v4l2_ctrl_av1_sequence *sequence = ctrl->p_new.p_av1_sequence; + + if (sequence->bit_depth != 8 && sequence->bit_depth != 10) + return -EINVAL; } + return 0; }
@@ -333,7 +339,13 @@ static int hantro_av1_s_ctrl(struct v4l2_ctrl *ctrl) switch (ctrl->id) { case V4L2_CID_STATELESS_AV1_SEQUENCE: - ctx->bit_depth = ctrl->p_new.p_av1_sequence->bit_depth; + int bit_depth = ctrl->p_new.p_av1_sequence->bit_depth; + + if (vb2_is_streaming(v4l2_m2m_get_src_vq(ctx->fh.m2m_ctx))) + if (ctx->bit_depth != bit_depth) + return -EINVAL; + + ctx->bit_depth = bit_depth; break; default: return -EINVAL;
--
2.34.1
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