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提交 2e81dde9 编写于 作者: A Arun Kumar K 提交者： Mauro Carvalho Chehab
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[media] v4l: Add control definitions for new H264 encoder features 

New controls are added for supporting H264 encoding features like:
 - MVC frame packing,
 - flexible macroblock ordering,
 - arbitrary slice ordering,
 - hierarchical coding.
Signed-off-by: NJeongtae Park <jtp.park@samsung.com>
Signed-off-by: NNaveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: NArun Kumar K <arun.kk@samsung.com>
Acked-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 4d08f670
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Showing with 350 addition and 1 deletion
Documentation/DocBook/media/v4l/controls.xml
浏览文件 @ 2e81dde9
......@@ -1586,7 +1586,6 @@ frame counter of the frame that is currently displayed (decoded). This value is
the decoder is started.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE</constant>&nbsp;</entry>
......@@ -2269,6 +2268,14 @@ encoder or editing process may produce.".
Applicable to the MPEG1, MPEG2, MPEG4 encoders.</entry>
</row>
<row><entry></entry></row>
<row id="v4l2-mpeg-video-vbv-delay">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VBV_DELAY</constant>&nbsp;</entry>
<entry>integer</entry>
</row><row><entry spanname="descr">Sets the initial delay in milliseconds for
VBV buffer control.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE</constant>&nbsp;</entry>
......@@ -2334,6 +2341,265 @@ Applicable to the MPEG4 decoder.</entry>
</row><row><entry spanname="descr">vop_time_increment value for MPEG4. Applicable to the MPEG4 encoder.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING</constant>&nbsp;</entry>
<entry>boolean</entry>
</row>
<row><entry spanname="descr">Enable generation of frame packing supplemental enhancement information in the encoded bitstream.
The frame packing SEI message contains the arrangement of L and R planes for 3D viewing. Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0</constant>&nbsp;</entry>
<entry>boolean</entry>
</row>
<row><entry spanname="descr">Sets current frame as frame0 in frame packing SEI.
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row id="v4l2-mpeg-video-h264-sei-fp-arrangement-type">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_sei_fp_arrangement_type</entry>
</row>
<row><entry spanname="descr">Frame packing arrangement type for H264 SEI.
Applicable to the H264 encoder.
Possible values are:</entry>
</row>
<row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHEKERBOARD</constant>&nbsp;</entry>
<entry>Pixels are alternatively from L and R.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN</constant>&nbsp;</entry>
<entry>L and R are interlaced by column.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW</constant>&nbsp;</entry>
<entry>L and R are interlaced by row.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE</constant>&nbsp;</entry>
<entry>L is on the left, R on the right.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM</constant>&nbsp;</entry>
<entry>L is on top, R on bottom.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL</constant>&nbsp;</entry>
<entry>One view per frame.</entry>
</row>
</tbody>
</entrytbl>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO</constant>&nbsp;</entry>
<entry>boolean</entry>
</row>
<row><entry spanname="descr">Enables flexible macroblock ordering in the encoded bitstream. It is a technique
used for restructuring the ordering of macroblocks in pictures. Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row id="v4l2-mpeg-video-h264-fmo-map-type">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_fmo_map_type</entry>
</row>
<row><entry spanname="descr">When using FMO, the map type divides the image in different scan patterns of macroblocks.
Applicable to the H264 encoder.
Possible values are:</entry>
</row>
<row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES</constant>&nbsp;</entry>
<entry>Slices are interleaved one after other with macroblocks in run length order.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES</constant>&nbsp;</entry>
<entry>Scatters the macroblocks based on a mathematical function known to both encoder and decoder.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER</constant>&nbsp;</entry>
<entry>Macroblocks arranged in rectangular areas or regions of interest.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT</constant>&nbsp;</entry>
<entry>Slice groups grow in a cyclic way from centre to outwards.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN</constant>&nbsp;</entry>
<entry>Slice groups grow in raster scan pattern from left to right.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN</constant>&nbsp;</entry>
<entry>Slice groups grow in wipe scan pattern from top to bottom.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT</constant>&nbsp;</entry>
<entry>User defined map type.</entry>
</row>
</tbody>
</entrytbl>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP</constant>&nbsp;</entry>
<entry>integer</entry>
</row>
<row><entry spanname="descr">Number of slice groups in FMO.
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row id="v4l2-mpeg-video-h264-fmo-change-direction">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_fmo_change_dir</entry>
</row>
<row><entry spanname="descr">Specifies a direction of the slice group change for raster and wipe maps.
Applicable to the H264 encoder.
Possible values are:</entry>
</row>
<row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT</constant>&nbsp;</entry>
<entry>Raster scan or wipe right.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT</constant>&nbsp;</entry>
<entry>Reverse raster scan or wipe left.</entry>
</row>
</tbody>
</entrytbl>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE</constant>&nbsp;</entry>
<entry>integer</entry>
</row>
<row><entry spanname="descr">Specifies the size of the first slice group for raster and wipe map.
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH</constant>&nbsp;</entry>
<entry>integer</entry>
</row>
<row><entry spanname="descr">Specifies the number of consecutive macroblocks for the interleaved map.
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ASO</constant>&nbsp;</entry>
<entry>boolean</entry>
</row>
<row><entry spanname="descr">Enables arbitrary slice ordering in encoded bitstream.
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER</constant>&nbsp;</entry>
<entry>integer</entry>
</row><row><entry spanname="descr">Specifies the slice order in ASO. Applicable to the H264 encoder.
The supplied 32-bit integer is interpreted as follows (bit
0 = least significant bit):</entry>
</row>
<row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>
<entry>Bit 0:15</entry>
<entry>Slice ID</entry>
</row>
<row>
<entry>Bit 16:32</entry>
<entry>Slice position or order</entry>
</row>
</tbody>
</entrytbl>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING</constant>&nbsp;</entry>
<entry>boolean</entry>
</row>
<row><entry spanname="descr">Enables H264 hierarchical coding.
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row id="v4l2-mpeg-video-h264-hierarchical-coding-type">
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE</constant>&nbsp;</entry>
<entry>enum&nbsp;v4l2_mpeg_video_h264_hierarchical_coding_type</entry>
</row>
<row><entry spanname="descr">Specifies the hierarchical coding type.
Applicable to the H264 encoder.
Possible values are:</entry>
</row>
<row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B</constant>&nbsp;</entry>
<entry>Hierarchical B coding.</entry>
</row>
<row>
<entry><constant>V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P</constant>&nbsp;</entry>
<entry>Hierarchical P coding.</entry>
</row>
</tbody>
</entrytbl>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER</constant>&nbsp;</entry>
<entry>integer</entry>
</row>
<row><entry spanname="descr">Specifies the number of hierarchical coding layers.
Applicable to the H264 encoder.</entry>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP</constant>&nbsp;</entry>
<entry>integer</entry>
</row><row><entry spanname="descr">Specifies a user defined QP for each layer. Applicable to the H264 encoder.
The supplied 32-bit integer is interpreted as follows (bit
0 = least significant bit):</entry>
</row>
<row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>
<entry>Bit 0:15</entry>
<entry>QP value</entry>
</row>
<row>
<entry>Bit 16:32</entry>
<entry>Layer number</entry>
</row>
</tbody>
</entrytbl>
</row>
</tbody>
</tgroup>
</table>
......
drivers/media/v4l2-core/v4l2-ctrls.c
浏览文件 @ 2e81dde9
......@@ -384,6 +384,25 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
"Extended SAR",
NULL,
};
static const char * const h264_fp_arrangement_type[] = {
"Checkerboard",
"Column",
"Row",
"Side by Side",
"Top Bottom",
"Temporal",
NULL,
};
static const char * const h264_fmo_map_type[] = {
"Interleaved Slices",
"Scattered Slices",
"Foreground with Leftover",
"Box Out",
"Raster Scan",
"Wipe Scan",
"Explicit",
NULL,
};
static const char * const mpeg_mpeg4_level[] = {
"0",
"0b",
......@@ -508,6 +527,10 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
return h264_profile;
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
return vui_sar_idc;
case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE:
return h264_fp_arrangement_type;
case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
return h264_fmo_map_type;
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
return mpeg_mpeg4_level;
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
......@@ -643,6 +666,22 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH: return "Horizontal Size of SAR";
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE: return "Aspect Ratio VUI Enable";
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC: return "VUI Aspect Ratio IDC";
case V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING: return "H264 Enable Frame Packing SEI";
case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0: return "H264 Set Curr. Frame as Frame0";
case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE: return "H264 FP Arrangement Type";
case V4L2_CID_MPEG_VIDEO_H264_FMO: return "H264 Flexible MB Ordering";
case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE: return "H264 Map Type for FMO";
case V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP: return "H264 FMO Number of Slice Groups";
case V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION: return "H264 FMO Direction of Change";
case V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE: return "H264 FMO Size of 1st Slice Grp";
case V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH: return "H264 FMO No. of Consecutive MBs";
case V4L2_CID_MPEG_VIDEO_H264_ASO: return "H264 Arbitrary Slice Ordering";
case V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER: return "H264 ASO Slice Order";
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING: return "Enable H264 Hierarchical Coding";
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE: return "H264 Hierarchical Coding Type";
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER:return "H264 Number of HC Layers";
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP:
return "H264 Set QP Value for HC Layers";
case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: return "MPEG4 I-Frame QP Value";
case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: return "MPEG4 P-Frame QP Value";
case V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP: return "MPEG4 B-Frame QP Value";
......@@ -657,6 +696,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_VBV_SIZE: return "VBV Buffer Size";
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";
/* CAMERA controls */
/* Keep the order of the 'case's the same as in videodev2.h! */
......@@ -854,6 +894,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE:
case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
......
include/linux/v4l2-controls.h
浏览文件 @ 2e81dde9
......@@ -349,6 +349,7 @@ enum v4l2_mpeg_video_multi_slice_mode {
#define V4L2_CID_MPEG_VIDEO_VBV_SIZE (V4L2_CID_MPEG_BASE+222)
#define V4L2_CID_MPEG_VIDEO_DEC_PTS (V4L2_CID_MPEG_BASE+223)
#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_H263_I_FRAME_QP (V4L2_CID_MPEG_BASE+300)
#define V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP (V4L2_CID_MPEG_BASE+301)
......@@ -439,6 +440,46 @@ enum v4l2_mpeg_video_h264_vui_sar_idc {
V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1 = 16,
V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED = 17,
};
#define V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING (V4L2_CID_MPEG_BASE+368)
#define V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0 (V4L2_CID_MPEG_BASE+369)
#define V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE (V4L2_CID_MPEG_BASE+370)
enum v4l2_mpeg_video_h264_sei_fp_arrangement_type {
V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHECKERBOARD = 0,
V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN = 1,
V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW = 2,
V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE = 3,
V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM = 4,
V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL = 5,
};
#define V4L2_CID_MPEG_VIDEO_H264_FMO (V4L2_CID_MPEG_BASE+371)
#define V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE (V4L2_CID_MPEG_BASE+372)
enum v4l2_mpeg_video_h264_fmo_map_type {
V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES = 0,
V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES = 1,
V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER = 2,
V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT = 3,
V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN = 4,
V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN = 5,
V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT = 6,
};
#define V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP (V4L2_CID_MPEG_BASE+373)
#define V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION (V4L2_CID_MPEG_BASE+374)
enum v4l2_mpeg_video_h264_fmo_change_dir {
V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT = 0,
V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT = 1,
};
#define V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE (V4L2_CID_MPEG_BASE+375)
#define V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH (V4L2_CID_MPEG_BASE+376)
#define V4L2_CID_MPEG_VIDEO_H264_ASO (V4L2_CID_MPEG_BASE+377)
#define V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER (V4L2_CID_MPEG_BASE+378)
#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING (V4L2_CID_MPEG_BASE+379)
#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE (V4L2_CID_MPEG_BASE+380)
enum v4l2_mpeg_video_h264_hierarchical_coding_type {
V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B = 0,
V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P = 1,
};
#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER (V4L2_CID_MPEG_BASE+381)
#define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP (V4L2_CID_MPEG_BASE+382)
#define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_MPEG_BASE+400)
#define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_MPEG_BASE+401)
#define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_MPEG_BASE+402)
......
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