media: coda: add min number of buffers controls

Add min number of buffers for capture (decoder) and output (encoder)
controls, which are required by the stateful video decoder / encoder
interface specification.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Philipp Zabel 2019-04-08 08:32:50 -04:00 committed by Mauro Carvalho Chehab
parent bbeefa7357
commit c1b6761e1f
1 changed files with 6 additions and 0 deletions

View File

@ -2061,11 +2061,17 @@ static int coda_ctrls_setup(struct coda_ctx *ctx)
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
if (ctx->inst_type == CODA_INST_ENCODER) {
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
1, 1, 1, 1);
if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
coda_jpeg_encode_ctrls(ctx);
else
coda_encode_ctrls(ctx);
} else {
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
1, 1, 1, 1);
if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264)
coda_decode_ctrls(ctx);
}