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@xxxxxxxxxxxxxx>
---
drivers/media/platform/coda/coda-common.c | 37 +++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index c0421f06ca48..943f003c26c4 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -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,
--
2.20.1
