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media: rkvdec: Enable capture buffer holding for H264

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In order to support interlaced video decoding, the driver must
allow holding the capture buffer so that the second field can
be decoded into it.

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Nicolas Dufresne
2022-05-13 22:29:18 +02:00
committed by Mauro Carvalho Chehab
parent 6f32ea37c1
commit ed7bb87d3d
2 changed files with 5 additions and 0 deletions
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4
drivers/staging/media/rkvdec/rkvdec.c
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@@ -127,6 +127,7 @@ static const struct rkvdec_coded_fmt_desc rkvdec_coded_fmts[] = {
.ops = &rkvdec_h264_fmt_ops, .ops = &rkvdec_h264_fmt_ops,
.num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_vp9_decoded_fmts), .num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_vp9_decoded_fmts),
.decoded_fmts = rkvdec_h264_vp9_decoded_fmts, .decoded_fmts = rkvdec_h264_vp9_decoded_fmts,
.subsystem_flags = VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF,
}, },
{ {
.fourcc = V4L2_PIX_FMT_VP9_FRAME, .fourcc = V4L2_PIX_FMT_VP9_FRAME,
@@ -385,6 +386,9 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv,
cap_fmt->fmt.pix_mp.ycbcr_enc = f->fmt.pix_mp.ycbcr_enc; cap_fmt->fmt.pix_mp.ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
cap_fmt->fmt.pix_mp.quantization = f->fmt.pix_mp.quantization; cap_fmt->fmt.pix_mp.quantization = f->fmt.pix_mp.quantization;
/* Enable format specific queue features */
vq->subsystem_flags |= desc->subsystem_flags;
return 0; return 0;
} }

1
drivers/staging/media/rkvdec/rkvdec.h
View File

@@ -82,6 +82,7 @@ struct rkvdec_coded_fmt_desc {
const struct rkvdec_coded_fmt_ops *ops; const struct rkvdec_coded_fmt_ops *ops;
unsigned int num_decoded_fmts; unsigned int num_decoded_fmts;
const u32 *decoded_fmts; const u32 *decoded_fmts;
u32 subsystem_flags;
}; };
struct rkvdec_dev { struct rkvdec_dev {