diff options
| author | Ming Qian | 2022-07-15 09:38:00 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2022-08-30 15:01:06 +0200 |
| commit | 996f4e89fabe44ab9ac0aabb0697aeecbe717eca (patch) | |
| tree | 2563544f3982a43c88e1b5c9c4aabf33655dd5a5 /drivers/media | |
| parent | f7fd6c318c8a5d06bf3fe611f30763d62eaaf7f0 (diff) | |
media: amphion: adjust the encoder's value range of gop size
adjust the value range of gop size from [0, 65535] to [1, 8000].
when the gop size is set to a too large value,
it may affect the encoded picture quality.
so constrain it to a reasonable range.
Fixes: 0401e659c1f92 ("media: amphion: add v4l2 m2m vpu encoder stateful driver")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/amphion/venc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/platform/amphion/venc.c b/drivers/media/platform/amphion/venc.c index 461524dd1e44..37212f087fdd 100644 --- a/drivers/media/platform/amphion/venc.c +++ b/drivers/media/platform/amphion/venc.c @@ -644,7 +644,7 @@ static int venc_ctrl_init(struct vpu_inst *inst) BITRATE_DEFAULT_PEAK); v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, - V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, (1 << 16) - 1, 1, 30); + V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 8000, 1, 30); v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 4, 1, 0); |