[PATCH] [media] s5p-mfc: Add Horizontal and Vertical search range forVideo Macro Blocks

From: Amit Grover
Date: Mon Dec 30 2013 - 05:41:32 EST

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This patch adds Controls to set Horizontal and Vertical search range
for Motion Estimation block for Samsung MFC video Encoders.

Signed-off-by: Swami Nathan <swaminath.p@xxxxxxxxxxx>
Signed-off-by: Amit Grover <amit.grover@xxxxxxxxxxx>
---
Documentation/DocBook/media/v4l/controls.xml | 14 +++++++++++++
drivers/media/platform/s5p-mfc/s5p_mfc_common.h | 2 ++
drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 24 +++++++++++++++++++++++
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 8 ++------
drivers/media/v4l2-core/v4l2-ctrls.c | 14 +++++++++++++
include/uapi/linux/v4l2-controls.h | 2 ++
6 files changed, 58 insertions(+), 6 deletions(-)

diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index 7a3b49b..70a0f6f 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -2258,6 +2258,20 @@ Applicable to the MPEG1, MPEG2, MPEG4 encoders.</entry>
VBV buffer control.</entry>
</row>

+ <row><entry></entry></row>
+ <row id="v4l2-mpeg-video-horz-search-range">
+ <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_HORZ_SEARCH_RANGE</constant> </entry>
+ <entry>integer</entry>
+ </row><row><entry spanname="descr">Sets the Horizontal search range for Video Macro blocks.</entry>
+ </row>
+
+ <row><entry></entry></row>
+ <row id="v4l2-mpeg-video-vert-search-range">
+ <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VERT_SEARCH_RANGE</constant> </entry>
+ <entry>integer</entry>
+ </row><row><entry spanname="descr">Sets the Vertical search range for Video Macro blocks.</entry>
+ </row>
+
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE</constant> </entry>
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 6920b54..f2c13c3 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -430,6 +430,8 @@ struct s5p_mfc_vp8_enc_params {
struct s5p_mfc_enc_params {
u16 width;
u16 height;
+ u32 horz_range;
+ u32 vert_range;

u16 gop_size;
enum v4l2_mpeg_video_multi_slice_mode slice_mode;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 4ff3b6c..a02e7b8 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -208,6 +208,24 @@ static struct mfc_control controls[] = {
.default_value = 0,
},
{
+ .id = V4L2_CID_MPEG_VIDEO_HORZ_SEARCH_RANGE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "horizontal search range of video macro block",
+ .minimum = 16,
+ .maximum = 128,
+ .step = 16,
+ .default_value = 32,
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_VERT_SEARCH_RANGE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "vertical search range of video macro block",
+ .minimum = 16,
+ .maximum = 128,
+ .step = 16,
+ .default_value = 32,
+ },
+ {
.id = V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE,
.type = V4L2_CTRL_TYPE_INTEGER,
.minimum = 0,
@@ -1377,6 +1395,12 @@ static int s5p_mfc_enc_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
p->vbv_size = ctrl->val;
break;
+ case V4L2_CID_MPEG_VIDEO_HORZ_SEARCH_RANGE:
+ p->horz_range = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_VERT_SEARCH_RANGE:
+ p->vert_range = ctrl->val;
+ break;
case V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE:
p->codec.h264.cpb_size = ctrl->val;
break;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index 461358c..47e1807 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -727,14 +727,10 @@ static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

/* setting for MV range [16, 256] */
- reg = 0;
- reg &= ~(0x3FFF);
- reg = 256;
+ reg = (p->horz_range & 0x3fff); /* conditional check in app */
WRITEL(reg, S5P_FIMV_E_MV_HOR_RANGE_V6);

- reg = 0;
- reg &= ~(0x3FFF);
- reg = 256;
+ reg = (p->vert_range & 0x3fff); /* conditional check in app */
WRITEL(reg, S5P_FIMV_E_MV_VER_RANGE_V6);

WRITEL(0x0, S5P_FIMV_E_FRAME_INSERTION_V6);
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index fb46790..7cf23d5 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -735,6 +735,8 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_DEC_PTS: return "Video Decoder PTS";
case V4L2_CID_MPEG_VIDEO_DEC_FRAME: return "Video Decoder Frame Count";
case V4L2_CID_MPEG_VIDEO_VBV_DELAY: return "Initial Delay for VBV Control";
+ case V4L2_CID_MPEG_VIDEO_HORZ_SEARCH_RANGE: return "hor search range of video MB";
+ case V4L2_CID_MPEG_VIDEO_VERT_SEARCH_RANGE: return "vert search range of video MB";
case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER: return "Repeat Sequence Header";

/* VPX controls */
@@ -905,6 +907,18 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
*min = 0;
*max = *step = 1;
break;
+ case V4L2_CID_MPEG_VIDEO_HORZ_SEARCH_RANGE:
+ *type = V4L2_CTRL_TYPE_INTEGER;
+ *min = 16;
+ *max = 128;
+ *step = 16;
+ break;
+ case V4L2_CID_MPEG_VIDEO_VERT_SEARCH_RANGE:
+ *type = V4L2_CTRL_TYPE_INTEGER;
+ *min = 16;
+ *max = 128;
+ *step = 16;
+ break;
case V4L2_CID_PAN_RESET:
case V4L2_CID_TILT_RESET:
case V4L2_CID_FLASH_STROBE:
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 1666aab..bcce536 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -372,6 +372,8 @@ enum v4l2_mpeg_video_multi_slice_mode {
#define V4L2_CID_MPEG_VIDEO_DEC_FRAME (V4L2_CID_MPEG_BASE+224)
#define V4L2_CID_MPEG_VIDEO_VBV_DELAY (V4L2_CID_MPEG_BASE+225)
#define V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER (V4L2_CID_MPEG_BASE+226)
+#define V4L2_CID_MPEG_VIDEO_HORZ_SEARCH_RANGE (V4L2_CID_MPEG_BASE+227)
+#define V4L2_CID_MPEG_VIDEO_VERT_SEARCH_RANGE (V4L2_CID_MPEG_BASE+228)

#define V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP (V4L2_CID_MPEG_BASE+300)
#define V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP (V4L2_CID_MPEG_BASE+301)
--
1.7.9.5

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Next message: Daniel Lezcano: "[GIT PULL] clockevents/clocksources: 3.13 fixes"
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