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[media] coda: add h.264 deblocking filter controls

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This adds controls for the h.264 deblocking loop filter.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Philipp Zabel 2014-07-11 06:36:27 -03:00 committed by Mauro Carvalho Chehab
parent 1a5567e3e0
commit de23b1db65
1 changed files with 32 additions and 1 deletions
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33
drivers/media/platform/coda.c
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@ -161,6 +161,9 @@ struct coda_params {
u8 h264_inter_qp;
u8 h264_min_qp;
u8 h264_max_qp;
u8 h264_deblk_enabled;
u8 h264_deblk_alpha;
u8 h264_deblk_beta;
u8 mpeg4_intra_qp;
u8 mpeg4_inter_qp;
u8 gop_size;
@ -2326,7 +2329,17 @@ static int coda_start_encoding(struct coda_ctx *ctx)
coda_write(dev, CODA9_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
else
coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
coda_write(dev, 0, CODA_CMD_ENC_SEQ_264_PARA);
if (ctx->params.h264_deblk_enabled) {
value = ((ctx->params.h264_deblk_alpha &
CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) <<
CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
((ctx->params.h264_deblk_beta &
CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
} else {
value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET;
}
coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
break;
default:
v4l2_err(v4l2_dev,
@ -2638,6 +2651,16 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
ctx->params.h264_max_qp = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
ctx->params.h264_deblk_alpha = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
ctx->params.h264_deblk_beta = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
ctx->params.h264_deblk_enabled = (ctrl->val ==
V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
break;
case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
ctx->params.mpeg4_intra_qp = ctrl->val;
break;
@ -2691,6 +2714,14 @@ static int coda_ctrls_setup(struct coda_ctx *ctx)
}
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
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,