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authorPhilipp Zabel <p.zabel@pengutronix.de>2019-01-10 11:56:11 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-01-16 14:04:01 -0500
commit31489f6bdabf4fa96f354fe3520ea779bebc6ee7 (patch)
tree9e0dbb11c12767d758bfd34815a91d0c39e220c8 /drivers/media/platform
parentmedia: v4l2-ctrl: Add control for h.264 chroma qp offset (diff)
downloadlinux-dev-31489f6bdabf4fa96f354fe3520ea779bebc6ee7.tar.xz
linux-dev-31489f6bdabf4fa96f354fe3520ea779bebc6ee7.zip
media: coda: Add control for h.264 constrained intra prediction
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>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/coda/coda-bit.c4
-rw-r--r--drivers/media/platform/coda/coda-common.c6
-rw-r--r--drivers/media/platform/coda/coda.h1
3 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 8e0194993a52..2998c869f79f 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -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:
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 7518f01c48f7..f6c9273805bb 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -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,
diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h
index 31cea72f5b2a..f3d0cff4ef3a 100644
--- a/drivers/media/platform/coda/coda.h
+++ b/drivers/media/platform/coda/coda.h
@@ -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;