Re: [Patch v3 09/11] [media] v4l2: Add v4l2 control IDs for HEVC encoder

From: Hans Verkuil
Date: Mon Apr 03 2017 - 04:23:20 EST

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On 03/31/2017 11:06 AM, Smitha T Murthy wrote:
> Add v4l2 controls for HEVC encoder
>
> Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx>
> Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> ---
> drivers/media/v4l2-core/v4l2-ctrls.c | 103 +++++++++++++++++++++++++++
> include/uapi/linux/v4l2-controls.h | 133 +++++++++++++++++++++++++++++++++++
> 2 files changed, 236 insertions(+)
>
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
> index b9e08e3..5fa763b 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls.c
> @@ -479,6 +479,46 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
> NULL,
> };
>
> + static const char * const hevc_profile[] = {
> + "Main",
> + "Main still picture",

All control and control menu names should follow the english capitalization rules for
titles. So this should become "Main Still Picture".

Please adjust this in this patch.

Regards,

Hans

> + NULL,
> + };
> + static const char * const hevc_level[] = {
> + "1",
> + "2",
> + "2.1",
> + "3",
> + "3.1",
> + "4",
> + "4.1",
> + "5",
> + "5.1",
> + "5.2",
> + "6",
> + "6.1",
> + "6.2",
> + NULL,
> + };
> + static const char * const hevc_hierarchial_coding_type[] = {
> + "B",
> + "P",
> + NULL,
> + };
> + static const char * const hevc_refresh_type[] = {
> + "None",
> + "CRA",
> + "IDR",
> + NULL,
> + };
> + static const char * const hevc_size_of_length_field[] = {
> + "0",
> + "1",
> + "2",
> + "4",
> + NULL,
> + };
> +
>
> switch (id) {
> case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
> @@ -574,6 +614,16 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
> return dv_it_content_type;
> case V4L2_CID_DETECT_MD_MODE:
> return detect_md_mode;
> + case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
> + return hevc_profile;
> + case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
> + return hevc_level;
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE:
> + return hevc_hierarchial_coding_type;
> + case V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE:
> + return hevc_refresh_type;
> + case V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD:
> + return hevc_size_of_length_field;
>
> default:
> return NULL;
> @@ -775,6 +825,54 @@ const char *v4l2_ctrl_get_name(u32 id)
> case V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP: return "VPX P-Frame QP Value";
> case V4L2_CID_MPEG_VIDEO_VPX_PROFILE: return "VPX Profile";
>
> + /* HEVC controls */
> + case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP: return "HEVC I frame QP value";
> + case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_QP: return "HEVC P frame QP value";
> + case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP: return "HEVC B frame QP value";
> + case V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP: return "HEVC Minimum QP value";
> + case V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP: return "HEVC Maximum QP value";
> + case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_DARK: return "HEVC Dark reg adaptive rc";
> + case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_SMOOTH: return "HEVC Smooth reg adaptive rc";
> + case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_STATIC: return "HEVC Static reg adaptive rc";
> + case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_ACTIVITY: return "HEVC activity reg adaptive rc";
> + case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE: return "HEVC Profile";
> + case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL: return "HEVC Level";
> + case V4L2_CID_MPEG_VIDEO_HEVC_TIER_FLAG: return "HEVC tier_flag";
> + case V4L2_CID_MPEG_VIDEO_HEVC_FRAME_RATE_RESOLUTION: return "HEVC Frame rate resolution";
> + case V4L2_CID_MPEG_VIDEO_HEVC_MAX_PARTITION_DEPTH: return "HEVC Maximum coding unit depth";
> + case V4L2_CID_MPEG_VIDEO_HEVC_REF_NUMBER_FOR_PFRAMES: return "HEVC Number of reference frames";
> + case V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE: return "HEVC Refresh type";
> + case V4L2_CID_MPEG_VIDEO_HEVC_CONST_INTRA_PRED: return "HEVC Constant intra prediction";
> + case V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU: return "HEVC Lossless encoding";
> + case V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT: return "HEVC Wavefront";
> + case V4L2_CID_MPEG_VIDEO_HEVC_LF: return "HEVC Loop filter";
> + case V4L2_CID_MPEG_VIDEO_HEVC_LF_SLICE_BOUNDARY: return "HEVC LF across slice boundary or not";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_QP: return "HEVC QP values";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE: return "HEVC Hierarchical Coding Type";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER:return "HEVC Hierarchical Coding Layer";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_QP:return "HEVC Hierarchical Layer QP";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER0_BITRATE:return "HEVC Hierarchical Lay 0 bit rate";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER1_BITRATE:return "HEVC Hierarchical Lay 1 bit rate";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER2_BITRATE:return "HEVC Hierarchical Lay 2 bit rate";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER3_BITRATE:return "HEVC Hierarchical Lay 3 bit rate";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER4_BITRATE:return "HEVC Hierarchical Lay 4 bit rate";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER5_BITRATE:return "HEVC Hierarchical Lay 5 bit rate";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER6_BITRATE:return "HEVC Hierarchical Lay 6 bit rate";
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_CH:return "HEVC Hierarchical Coding Layer Change";
> + case V4L2_CID_MPEG_VIDEO_HEVC_SIGN_DATA_HIDING: return "HEVC Sign data hiding";
> + case V4L2_CID_MPEG_VIDEO_HEVC_GENERAL_PB: return "HEVC General pb";
> + case V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID: return "HEVC Temporal id";
> + case V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOOTHING: return "HEVC Strong intra smoothing";
> + case V4L2_CID_MPEG_VIDEO_HEVC_INTRA_PU_SPLIT: return "HEVC intra pu split";
> + case V4L2_CID_MPEG_VIDEO_HEVC_TMV_PREDICTION: return "HEVC tmv prediction";
> + case V4L2_CID_MPEG_VIDEO_HEVC_MAX_NUM_MERGE_MV_MINUS1: return "HEVC Max number of candidate MVs";
> + case V4L2_CID_MPEG_VIDEO_HEVC_WITHOUT_STARTCODE: return "HEVC ENC without startcode";
> + case V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD: return "HEVC num of I frame b/w 2 IDR";
> + case V4L2_CID_MPEG_VIDEO_HEVC_LF_BETA_OFFSET_DIV2: return "HEVC Loop filter beta offset";
> + case V4L2_CID_MPEG_VIDEO_HEVC_LF_TC_OFFSET_DIV2: return "HEVC Loop filter tc offset";
> + case V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD: return "HEVC Size of length field";
> + case V4L2_CID_MPEG_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR: return "HEVC Prepend SPS/PPS to IDR";
> +
> /* CAMERA controls */
> /* Keep the order of the 'case's the same as in v4l2-controls.h! */
> case V4L2_CID_CAMERA_CLASS: return "Camera Controls";
> @@ -1063,6 +1161,11 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
> case V4L2_CID_TUNE_DEEMPHASIS:
> case V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL:
> case V4L2_CID_DETECT_MD_MODE:
> + case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
> + case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
> + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE:
> + case V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE:
> + case V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD:
> *type = V4L2_CTRL_TYPE_MENU;
> break;
> case V4L2_CID_LINK_FREQ:
> diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
> index 0d2e1e0..1f6502a 100644
> --- a/include/uapi/linux/v4l2-controls.h
> +++ b/include/uapi/linux/v4l2-controls.h
> @@ -579,6 +579,139 @@ enum v4l2_vp8_golden_frame_sel {
> #define V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP (V4L2_CID_MPEG_BASE+510)
> #define V4L2_CID_MPEG_VIDEO_VPX_PROFILE (V4L2_CID_MPEG_BASE+511)
>
> +/* CIDs for HEVC encoding. Number gaps are for compatibility */
> +
> +#define V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP \
> + (V4L2_CID_MPEG_BASE + 512)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP \
> + (V4L2_CID_MPEG_BASE + 513)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP \
> + (V4L2_CID_MPEG_BASE + 514)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_QP \
> + (V4L2_CID_MPEG_BASE + 515)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP \
> + (V4L2_CID_MPEG_BASE + 516)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_QP \
> + (V4L2_CID_MPEG_BASE + 517)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE \
> + (V4L2_CID_MPEG_BASE + 518)
> +enum v4l2_mpeg_video_hevc_hier_coding_type {
> + V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B = 0,
> + V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P = 1,
> +};
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER \
> + (V4L2_CID_MPEG_BASE + 519)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_QP \
> + (V4L2_CID_MPEG_BASE + 520)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_PROFILE \
> + (V4L2_CID_MPEG_BASE + 521)
> +enum v4l2_mpeg_video_hevc_profile {
> + V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN = 0,
> + V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE = 1,
> +};
> +#define V4L2_CID_MPEG_VIDEO_HEVC_LEVEL \
> + (V4L2_CID_MPEG_BASE + 522)
> +enum v4l2_mpeg_video_hevc_level {
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_1 = 0,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_2 = 1,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1 = 2,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_3 = 3,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1 = 4,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_4 = 5,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1 = 6,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_5 = 7,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1 = 8,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2 = 9,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_6 = 10,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1 = 11,
> + V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2 = 12,
> +};
> +#define V4L2_CID_MPEG_VIDEO_HEVC_FRAME_RATE_RESOLUTION \
> + (V4L2_CID_MPEG_BASE + 523)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_TIER_FLAG \
> + (V4L2_CID_MPEG_BASE + 524)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_MAX_PARTITION_DEPTH \
> + (V4L2_CID_MPEG_BASE + 525)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_REF_NUMBER_FOR_PFRAMES \
> + (V4L2_CID_MPEG_BASE + 526)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_LF \
> + (V4L2_CID_MPEG_BASE + 527)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_LF_SLICE_BOUNDARY \
> + (V4L2_CID_MPEG_BASE + 528)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_LF_BETA_OFFSET_DIV2 \
> + (V4L2_CID_MPEG_BASE + 529)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_LF_TC_OFFSET_DIV2 \
> + (V4L2_CID_MPEG_BASE + 530)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE \
> + (V4L2_CID_MPEG_BASE + 531)
> +enum v4l2_cid_mpeg_video_hevc_refresh_type {
> + V4L2_MPEG_VIDEO_HEVC_REFRESH_NONE = 0,
> + V4L2_MPEG_VIDEO_HEVC_REFRESH_CRA = 1,
> + V4L2_MPEG_VIDEO_HEVC_REFRESH_IDR = 2,
> +};
> +#define V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD \
> + (V4L2_CID_MPEG_BASE + 532)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU \
> + (V4L2_CID_MPEG_BASE + 533)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_CONST_INTRA_PRED \
> + (V4L2_CID_MPEG_BASE + 534)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT \
> + (V4L2_CID_MPEG_BASE + 535)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_SIGN_DATA_HIDING \
> + (V4L2_CID_MPEG_BASE + 536)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_GENERAL_PB \
> + (V4L2_CID_MPEG_BASE + 537)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID \
> + (V4L2_CID_MPEG_BASE + 538)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOOTHING \
> + (V4L2_CID_MPEG_BASE + 539)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_MAX_NUM_MERGE_MV_MINUS1 \
> + (V4L2_CID_MPEG_BASE + 540)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_DARK \
> + (V4L2_CID_MPEG_BASE + 541)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_SMOOTH \
> + (V4L2_CID_MPEG_BASE + 542)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_STATIC \
> + (V4L2_CID_MPEG_BASE + 543)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_ACTIVITY \
> + (V4L2_CID_MPEG_BASE + 544)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_INTRA_PU_SPLIT \
> + (V4L2_CID_MPEG_BASE + 545)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_TMV_PREDICTION \
> + (V4L2_CID_MPEG_BASE + 546)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_WITHOUT_STARTCODE \
> + (V4L2_CID_MPEG_BASE + 547)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_QP_INDEX_CR \
> + (V4L2_CID_MPEG_BASE + 548)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_QP_INDEX_CB \
> + (V4L2_CID_MPEG_BASE + 549)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD \
> + (V4L2_CID_MPEG_BASE + 550)
> +enum v4l2_cid_mpeg_video_hevc_size_of_length_field {
> + V4L2_MPEG_VIDEO_HEVC_SIZE_0 = 0,
> + V4L2_MPEG_VIDEO_HEVC_SIZE_1 = 1,
> + V4L2_MPEG_VIDEO_HEVC_SIZE_2 = 2,
> + V4L2_MPEG_VIDEO_HEVC_SIZE_4 = 3,
> +};
> +#define V4L2_CID_MPEG_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR \
> + (V4L2_CID_MPEG_BASE + 551)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_CH \
> + (V4L2_CID_MPEG_BASE + 552)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER0_BITRATE \
> + (V4L2_CID_MPEG_BASE + 553)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER1_BITRATE \
> + (V4L2_CID_MPEG_BASE + 554)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER2_BITRATE \
> + (V4L2_CID_MPEG_BASE + 555)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER3_BITRATE \
> + (V4L2_CID_MPEG_BASE + 556)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER4_BITRATE \
> + (V4L2_CID_MPEG_BASE + 557)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER5_BITRATE \
> + (V4L2_CID_MPEG_BASE + 558)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER6_BITRATE \
> + (V4L2_CID_MPEG_BASE + 559)
> +
> /* MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
> #define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000)
> #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+0)
>

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