[PATCH 1/2] [media] v4l2: Add settings for Horizontal and Vertical MV Search Range
From: prabhakar.csengg@gmail.com (Prabhakar Lad)
Date: 2014-02-06 08:13:49
Also in:
linux-media, lkml
On Tue, Feb 4, 2014 at 3:29 PM, Amit Grover [off-list ref] wrote:
Adding V4L2 controls for horizontal and vertical search range in pixels for motion estimation module in video encoder. Signed-off-by: Swami Nathan <redacted> Signed-off-by: Amit Grover <redacted>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Regards, --Prabhakar Lad
quoted hunk ↗ jump to hunk
--- Documentation/DocBook/media/v4l/controls.xml | 20 ++++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls.c | 6 ++++++ include/uapi/linux/v4l2-controls.h | 2 ++ 3 files changed, 28 insertions(+)diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index a5a3188..0e1770c 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml@@ -2258,6 +2258,26 @@ Applicable to the MPEG1, MPEG2, MPEG4 encoders.</entry> VBV buffer control.</entry> </row> + <row><entry></entry></row> + <row id=""v4l2-mpeg-video-hor-search-range"> + <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE</constant> </entry> + <entry>integer</entry> + </row> + <row><entry spanname="descr">Horizontal search range defines maximum horizontal search area in pixels +to search and match for the present Macroblock (MB) in the reference picture. This V4L2 control macro is used to set +horizontal search range for motion estimation module in video encoder.</entry> + </row> + + <row><entry></entry></row> + <row id="v4l2-mpeg-video-vert-search-range"> + <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE</constant> </entry> + <entry>integer</entry> + </row> + <row><entry spanname="descr">Vertical search range defines maximum vertical search area in pixels +to search and match for the present Macroblock (MB) in the reference picture. This V4L2 control macro is used to set +vertical search range for motion estimation module in video encoder.</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/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 6ff002b..e9e12c4 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_MV_H_SEARCH_RANGE: return "Horizontal MV Search Range"; + case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE: return "Vertical MV Search Range"; case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER: return "Repeat Sequence Header"; /* VPX controls */@@ -910,6 +912,10 @@ 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_MV_H_SEARCH_RANGE: + case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE: + *type = V4L2_CTRL_TYPE_INTEGER; + 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 2cbe605..cda6fa0 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h@@ -376,6 +376,8 @@ 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_MV_H_SEARCH_RANGE (V4L2_CID_MPEG_BASE+227) +#define V4L2_CID_MPEG_VIDEO_MV_V_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