iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

media: coda: V4L2_PIX_FMT_GREY for coda960 JPEG Encoder

Browse Source 
support greyscale pix fmt input for coda9_jpeg_encoder. The hardware
supports it, so allow V4L2 Mem2Mem JPEG Encoder use it as well. Tested
on an i.MX6QP.

[hverkuil: updated the Subject line as suggested by Philipp]

Signed-off-by: Martin Weber <martin.weber@br-automation.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Martin Weber 2021-11-09 11:43:09 +00:00 committed by Mauro Carvalho Chehab
parent dca7cc1cbd
commit ea8587d9de
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/media/platform/coda/coda-common.c
View File

@ -43,7 +43,7 @@
#define CODA_NAME "coda"
#define CODADX6_MAX_INSTANCES 4
#define CODA_MAX_FORMATS 4
#define CODA_MAX_FORMATS 5
#define CODA_ISRAM_SIZE (2048 * 2)
@ -247,6 +247,7 @@ static const struct coda_video_device coda9_jpeg_encoder = {
V4L2_PIX_FMT_YUV420,
V4L2_PIX_FMT_YVU420,
V4L2_PIX_FMT_YUV422P,
V4L2_PIX_FMT_GREY,
},
.dst_formats = {
V4L2_PIX_FMT_JPEG,
@ -626,6 +627,11 @@ static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
f->fmt.pix.height * 2;
break;
case V4L2_PIX_FMT_GREY:
/* keep 16 pixel alignment of 8-bit pixel data */
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * f->fmt.pix.height;
break;
case V4L2_PIX_FMT_JPEG:
case V4L2_PIX_FMT_H264:
case V4L2_PIX_FMT_MPEG4: