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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2019-04-08 15:32:52 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-04-22 19:10:18 +0300 |
| commit | b03abe535d3734601d2e926b2f5e31745b29825b (patch) | |
| tree | 5ae7f2c8e30f8fb1c7cddf4251ac0e72d3da764f | |
| parent | 784867d2135a1a8ebc213bcc3ca26283a2c0d9b8 (diff) | |
| download | linux-b03abe535d3734601d2e926b2f5e31745b29825b.tar.xz | |
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>
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 37 |
1 files changed, 37 insertions, 0 deletions
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, |