From 3acde7a6c7d65c82ee8570d3a4c3e3f762fe4cdd Mon Sep 17 00:00:00 2001
From: Pawel Osciak <posciak@chromium.org>
Date: Fri, 26 Dec 2014 10:37:33 +0900
Subject: [PATCH] CHROMIUM: v4l: Add VP8 low-level decoder API controls.
These controls are to be used with the new low-level decoder API for VP8
to provide additional parameters for the hardware that cannot parse the
input stream.
BUG=chrome-os-partner:33728
TEST=compile
Signed-off-by: Pawel Osciak <posciak@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/237670
Reviewed-by: Wu-cheng Li <wuchengli@chromium.org>
Commit-Queue: Tomasz Figa <tfiga@chromium.org>
Tested-by: Tomasz Figa <tfiga@chromium.org>
Change-Id: I32b45e07cfe02b25ea5202d0c839699103e3b800
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
drivers/media/v4l2-core/v4l2-ctrls.c | 9 +++
include/media/v4l2-ctrls.h | 2 +
include/uapi/linux/v4l2-controls.h | 94 ++++++++++++++++++++++++++++
include/uapi/linux/videodev2.h | 3 +
4 files changed, 108 insertions(+)
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 2d55ae68d944..6c67c9e6975f 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -767,6 +767,8 @@ 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";
+ case V4L2_CID_MPEG_VIDEO_VP8_FRAME_HDR: return "VP8 Frame Header";
+
/* CAMERA controls */
/* Keep the order of the 'case's the same as in v4l2-controls.h! */
case V4L2_CID_CAMERA_CLASS: return "Camera Controls";
@@ -1146,6 +1148,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAM:
*type = V4L2_CTRL_TYPE_H264_DECODE_PARAM;
break;
+ case V4L2_CID_MPEG_VIDEO_VP8_FRAME_HDR:
+ *type = V4L2_CTRL_TYPE_VP8_FRAME_HDR;
+ break;
default:
*type = V4L2_CTRL_TYPE_INTEGER;
break;
@@ -1464,6 +1469,7 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32 idx,
case V4L2_CTRL_TYPE_H264_SCALING_MATRIX:
case V4L2_CTRL_TYPE_H264_SLICE_PARAM:
case V4L2_CTRL_TYPE_H264_DECODE_PARAM:
+ case V4L2_CTRL_TYPE_VP8_FRAME_HDR:
return 0;
default:
@@ -2030,6 +2036,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
case V4L2_CTRL_TYPE_H264_DECODE_PARAM:
elem_size = sizeof(struct v4l2_ctrl_h264_decode_param);
break;
+ case V4L2_CTRL_TYPE_VP8_FRAME_HDR:
+ elem_size = sizeof(struct v4l2_ctrl_vp8_frame_hdr);
+ break;
default:
if (type < V4L2_CTRL_COMPOUND_TYPES)
elem_size = sizeof(s32);
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index a42a401ee71d..0a9434afd862 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -49,6 +49,7 @@ struct poll_table_struct;
* @p_h264_scal_mtrx: Pointer to a struct v4l2_ctrl_h264_scaling_matrix.
* @p_h264_slice_param: Pointer to a struct v4l2_ctrl_h264_slice_param.
* @p_h264_decode_param: Pointer to a struct v4l2_ctrl_h264_decode_param.
+ * @p_vp8_frame_hdr: Pointer to a struct v4l2_ctrl_vp8_frame_hdr.
* @p: Pointer to a compound value.
*/
union v4l2_ctrl_ptr {
@@ -63,6 +64,7 @@ union v4l2_ctrl_ptr {
struct v4l2_ctrl_h264_scaling_matrix *p_h264_scal_mtrx;
struct v4l2_ctrl_h264_slice_param *p_h264_slice_param;
struct v4l2_ctrl_h264_decode_param *p_h264_decode_param;
+ struct v4l2_ctrl_vp8_frame_hdr *p_vp8_frame_hdr;
void *p;
};
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 07348fee7829..eff72eb1b627 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -584,6 +584,8 @@ 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)
+#define V4L2_CID_MPEG_VIDEO_VP8_FRAME_HDR (V4L2_CID_MPEG_BASE+512)
+
/* 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)
@@ -1118,4 +1120,96 @@ struct v4l2_ctrl_h264_decode_param {
struct v4l2_h264_dpb_entry dpb[16];
};
+#define V4L2_VP8_SEGMNT_HDR_FLAG_ENABLED 0x01
+#define V4L2_VP8_SEGMNT_HDR_FLAG_UPDATE_MAP 0x02
+#define V4L2_VP8_SEGMNT_HDR_FLAG_UPDATE_FEATURE_DATA 0x04
+struct v4l2_vp8_sgmnt_hdr {
+ __u8 segment_feature_mode;
+
+ __s8 quant_update[4];
+ __s8 lf_update[4];
+ __u8 segment_probs[3];
+
+ __u8 flags;
+};
+
+#define V4L2_VP8_LF_HDR_ADJ_ENABLE 0x01
+#define V4L2_VP8_LF_HDR_DELTA_UPDATE 0x02
+struct v4l2_vp8_loopfilter_hdr {
+ __u8 type;
+ __u8 level;
+ __u8 sharpness_level;
+ __s8 ref_frm_delta_magnitude[4];
+ __s8 mb_mode_delta_magnitude[4];
+
+ __u8 flags;
+};
+
+struct v4l2_vp8_quantization_hdr {
+ __u8 y_ac_qi;
+ __s8 y_dc_delta;
+ __s8 y2_dc_delta;
+ __s8 y2_ac_delta;
+ __s8 uv_dc_delta;
+ __s8 uv_ac_delta;
+ __u16 dequant_factors[4][3][2];
+};
+
+struct v4l2_vp8_entropy_hdr {
+ __u8 coeff_probs[4][8][3][11];
+ __u8 y_mode_probs[4];
+ __u8 uv_mode_probs[3];
+ __u8 mv_probs[2][19];
+};
+
+#define V4L2_VP8_FRAME_HDR_FLAG_EXPERIMENTAL 0x01
+#define V4L2_VP8_FRAME_HDR_FLAG_SHOW_FRAME 0x02
+#define V4L2_VP8_FRAME_HDR_FLAG_MB_NO_SKIP_COEFF 0x04
+struct v4l2_ctrl_vp8_frame_hdr {
+ /* 0: keyframe, 1: not a keyframe */
+ __u8 key_frame;
+ __u8 version;
+
+ /* Populated also if not a key frame */
+ __u16 width;
+ __u8 horizontal_scale;
+ __u16 height;
+ __u8 vertical_scale;
+
+ struct v4l2_vp8_sgmnt_hdr sgmnt_hdr;
+ struct v4l2_vp8_loopfilter_hdr lf_hdr;
+ struct v4l2_vp8_quantization_hdr quant_hdr;
+ struct v4l2_vp8_entropy_hdr entropy_hdr;
+
+ __u8 sign_bias_golden;
+ __u8 sign_bias_alternate;
+
+ __u8 prob_skip_false;
+ __u8 prob_intra;
+ __u8 prob_last;
+ __u8 prob_gf;
+
+ __u32 first_part_size;
+ __u32 first_part_offset;
+ /*
+ * Offset in bits of MB data in first partition,
+ * i.e. bit offset starting from first_part_offset.
+ */
+ __u32 macroblock_bit_offset;
+
+ __u8 num_dct_parts;
+ __u32 dct_part_sizes[8];
+
+ __u8 bool_dec_range;
+ __u8 bool_dec_value;
+ __u8 bool_dec_count;
+
+ /* v4l2_buffer indices of reference frames */
+ __u32 last_frame;
+ __u32 golden_frame;
+ __u32 alt_frame;
+
+ __u8 flags;
+};
+
#endif
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index a342175b812a..43b004128815 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -594,6 +594,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
+#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frames */
/* Vendor-specific formats */
#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
@@ -1478,6 +1479,7 @@ struct v4l2_ext_control {
struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scal_mtrx;
struct v4l2_ctrl_h264_slice_param __user *p_h264_slice_param;
struct v4l2_ctrl_h264_decode_param __user *p_h264_decode_param;
+ struct v4l2_ctrl_vp8_frame_hdr __user *p_vp8_frame_hdr;
void __user *ptr;
};
} __attribute__ ((packed));
@@ -1527,6 +1529,7 @@ enum v4l2_ctrl_type {
V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0105,
V4L2_CTRL_TYPE_H264_SLICE_PARAM = 0x0106,
V4L2_CTRL_TYPE_H264_DECODE_PARAM = 0x0107,
+ V4L2_CTRL_TYPE_VP8_FRAME_HDR = 0x108,
V4L2_CTRL_TYPE_PRIVATE = 0xffff,
};
--
2.34.1