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media: coda: implement encoder frame size enumeration 

The stateful encoder API requires VIDIOC_ENUM_FRAMESIZES to be
implemented.
Allow enumeration of supported frame sizes for encoding.

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 08:32:52 -04:00 committed by Mauro Carvalho Chehab
parent 784867d213
commit b03abe535d
1 changed files with 37 additions and 0 deletions
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37
drivers/media/platform/coda/coda-common.c
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@ -1077,6 +1077,42 @@ static int coda_decoder_cmd(struct file *file, void *fh,
return 0;
}
static int coda_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
struct coda_ctx *ctx = fh_to_ctx(fh);
struct coda_q_data *q_data_dst;
const struct coda_codec *codec;
if (ctx->inst_type != CODA_INST_ENCODER)
return -ENOTTY;
if (fsize->index)
return -EINVAL;
if (coda_format_normalize_yuv(fsize->pixel_format) ==
V4L2_PIX_FMT_YUV420) {
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
codec = coda_find_codec(ctx->dev, fsize->pixel_format,
q_data_dst->fourcc);
} else {
codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
fsize->pixel_format);
}
if (!codec)
return -EINVAL;
fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
fsize->stepwise.min_width = MIN_W;
fsize->stepwise.max_width = codec->max_w;
fsize->stepwise.step_width = 1;
fsize->stepwise.min_height = MIN_H;
fsize->stepwise.max_height = codec->max_h;
fsize->stepwise.step_height = 1;
return 0;
}
static int coda_enum_frameintervals(struct file *file, void *fh,
struct v4l2_frmivalenum *f)
{
@ -1255,6 +1291,7 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = {
.vidioc_g_parm = coda_g_parm,
.vidioc_s_parm = coda_s_parm,
.vidioc_enum_framesizes = coda_enum_framesizes,
.vidioc_enum_frameintervals = coda_enum_frameintervals,
.vidioc_subscribe_event = coda_subscribe_event,