From 594a750b37efb21a6967851fd19b6a9b6aca2c48 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 11 Jul 2014 06:36:14 -0300
Subject: [PATCH] [media] coda: fix h.264 quantization parameter range
If bitrate is not set, the encoder is running in VBR mode, with the
I- and P-frame quantization parameters configured from userspace.
For the quantization parameters, 0 is a valid value.
Signed-off-by: Philipp Zabel
Signed-off-by: Kamil Debski
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/platform/coda.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 6c9d18c28b3b..d7778015575c 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -2383,9 +2383,9 @@ static int coda_ctrls_setup(struct coda_ctx *ctx)
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 25);
+ V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 25);
+ V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
--
2.20.1