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Message-id: <DA6097ED98694425932A6AF93513371A@sisodomain.com>
Date: Thu, 23 Jan 2014 10:49:03 +0530
From: swaminathan <swaminath.p@...sung.com>
To: Amit Grover <amit.grover@...sung.com>, linux-media@...r.kernel.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, rob@...dley.net,
kyungmin.park@...sung.com, k.debski@...sung.com,
jtp.park@...sung.com
Cc: hans.verkuil@...co.com, andrew.smirnov@...il.com,
s.nawrocki@...sung.com, arun.kk@...sung.com,
anatol.pomozov@...il.com, jmccrohan@...il.com,
austin.lobo@...sung.com, hverkuil@...all.nl
Subject: Re: [PATCH] [media] s5p-mfc: Add Horizontal and Vertical search range
for Video Macro Blocks
Hi All,
Is there any review Comments for the patch "[PATCH] [media] s5p-mfc: Add
Horizontal and Vertical search range for Video Macro Blocks"
posted on 30-Dec-2013 ?
Regards,
Swaminathan
--------------------------------------------------
From: "Amit Grover" <amit.grover@...sung.com>
Sent: Monday, December 30, 2013 4:13 PM
To: <m.chehab@...sung.com>; <linux-media@...r.kernel.org>;
<linux-doc@...r.kernel.org>; <linux-kernel@...r.kernel.org>;
<linux-arm-kernel@...ts.infradead.org>; <linux-samsung-soc@...r.kernel.org>;
<rob@...dley.net>; <kyungmin.park@...sung.com>; <k.debski@...sung.com>;
<jtp.park@...sung.com>
Cc: <hans.verkuil@...co.com>; <andrew.smirnov@...il.com>;
<s.nawrocki@...sung.com>; <arun.kk@...sung.com>; <anatol.pomozov@...il.com>;
<jmccrohan@...il.com>; <austin.lobo@...sung.com>; "Swami Nathan"
<swaminath.p@...sung.com>
Subject: [PATCH] [media] s5p-mfc: Add Horizontal and Vertical search range
for Video Macro Blocks
> 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@...sung.com>
> Signed-off-by: Amit Grover <amit.grover@...sung.com>
> ---
> 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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