[PATCH 16/18] media: coda: Update default velues of QP for mpeg4 I/P

From: Sergey Khimich
Date: Fri Mar 14 2025 - 11:33:34 EST


From: Vladimir Yakovlev <vovchkir@xxxxxxxxx>

Use average values of QP range for mpeg4 I/P frames.
In such case we get smaller size of output buffer
and average quality of image.

Co-developed-by: Sergey Khimich <serghox@xxxxxxxxx>
Signed-off-by: Sergey Khimich <serghox@xxxxxxxxx>
Signed-off-by: Vladimir Yakovlev <vovchkir@xxxxxxxxx>
---
drivers/media/platform/chips-media/coda/coda-common.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/chips-media/coda/coda-common.c b/drivers/media/platform/chips-media/coda/coda-common.c
index 9ca459793050..3782219c8a2b 100644
--- a/drivers/media/platform/chips-media/coda/coda-common.c
+++ b/drivers/media/platform/chips-media/coda/coda-common.c
@@ -2379,9 +2379,9 @@ static void coda_encode_ctrls(struct coda_ctx *ctx)
V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
}
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
+ V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 15);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
+ V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 15);
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, 0x0,
--
2.30.2