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| author | Jernej Skrabec <jernej.skrabec@gmail.com> | 2022-11-09 18:23:07 +0000 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-11-25 07:35:07 +0000 |
| commit | 3d273e81f9102a7ac9b9208c3c0d3998feadc98f (patch) | |
| tree | 854cdf9c72615a88eff2c873e378d5e602493647 /drivers/staging/media | |
| parent | a7fa915634e6161e4ccbca819ad3d2bb614e5811 (diff) | |
| download | linux-3d273e81f9102a7ac9b9208c3c0d3998feadc98f.tar.bz2 | |
media: cedrus: Adjust buffer size based on codec
In some cases decoding engine needs extra space in capture buffers. This
is the case for decoding 10-bit HEVC frames into 8-bit capture format.
This commit only adds infrastructure for such cases.
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/staging/media')
| -rw-r--r-- | drivers/staging/media/sunxi/cedrus/cedrus.h | 2 | ||||
| -rw-r--r-- | drivers/staging/media/sunxi/cedrus/cedrus_video.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h index 5904294f3108..774fe8048ce3 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.h +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h @@ -162,6 +162,8 @@ struct cedrus_dec_ops { int (*start)(struct cedrus_ctx *ctx); void (*stop)(struct cedrus_ctx *ctx); void (*trigger)(struct cedrus_ctx *ctx); + unsigned int (*extra_cap_size)(struct cedrus_ctx *ctx, + struct v4l2_pix_format *pix_fmt); }; struct cedrus_variant { diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c index e6909be282d3..73464c5ec0b5 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c @@ -250,6 +250,10 @@ static int cedrus_try_fmt_vid_cap_p(struct cedrus_ctx *ctx, pix_fmt->height = ctx->src_fmt.height; cedrus_prepare_format(pix_fmt); + if (ctx->current_codec->extra_cap_size) + pix_fmt->sizeimage += + ctx->current_codec->extra_cap_size(ctx, pix_fmt); + return 0; } |