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media: coda: Add control for h.264 constrained intra prediction

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Allow to enable constrained intra prediction in the h.264 encoder.

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>
This commit is contained in:
Philipp Zabel 2019-01-10 11:56:11 -05:00 committed by Mauro Carvalho Chehab
parent d034696cbe
commit 31489f6bda
3 changed files with 10 additions and 1 deletions
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4
drivers/media/platform/coda/coda-bit.c
View File

@ -1010,7 +1010,9 @@ static int coda_start_encoding(struct coda_ctx *ctx)
CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
((ctx->params.h264_slice_beta_offset_div2 &
CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET) |
(ctx->params.h264_constrained_intra_pred_flag <<
CODA_264PARAM_CONSTRAINEDINTRAPREDFLAG_OFFSET);
coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
break;
case V4L2_PIX_FMT_JPEG:

6
drivers/media/platform/coda/coda-common.c
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@ -1839,6 +1839,9 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
ctx->params.h264_disable_deblocking_filter_idc = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION:
ctx->params.h264_constrained_intra_pred_flag = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
/* TODO: switch between baseline and constrained baseline */
if (ctx->inst_type == CODA_INST_ENCODER)
@ -1925,6 +1928,9 @@ static void coda_encode_ctrls(struct coda_ctx *ctx)
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
0x0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION, 0, 1, 1,
0);
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_PROFILE,
V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, 0x0,

1
drivers/media/platform/coda/coda.h
View File

@ -118,6 +118,7 @@ struct coda_params {
u8 h264_disable_deblocking_filter_idc;
s8 h264_slice_alpha_c0_offset_div2;
s8 h264_slice_beta_offset_div2;
bool h264_constrained_intra_pred_flag;
u8 h264_profile_idc;
u8 h264_level_idc;
u8 mpeg4_intra_qp;