From 3d273e81f9102a7ac9b9208c3c0d3998feadc98f Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Wed, 9 Nov 2022 18:23:07 +0000 Subject: [PATCH] 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/sunxi/cedrus/cedrus.h | 2 ++ drivers/staging/media/sunxi/cedrus/cedrus_video.c | 4 ++++ 2 files changed, 6 insertions(+) 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; } -- 2.11.0