[PATCH v2 1/4] media: chips-media: wave5: Support SPS/PPS generation for each IDR

From: jackson.lee
Date: Mon Mar 11 2024 - 00:25:07 EST


From: "Jackson.lee" <jackson.lee@xxxxxxxxxxxxxxx>

Provide a control to toggle (0 = off / 1 = on), whether the SPS and
PPS are generated for every IDR.

Signed-off-by: Jackson.lee <jackson.lee@xxxxxxxxxxxxxxx>
Signed-off-by: Nas Chung <nas.chung@xxxxxxxxxxxxxxx>
---
.../platform/chips-media/wave5/wave5-hw.c | 19 +++++++++++++++----
.../chips-media/wave5/wave5-vpu-enc.c | 7 +++++++
.../platform/chips-media/wave5/wave5-vpuapi.h | 1 +
3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/chips-media/wave5/wave5-hw.c b/drivers/media/platform/chips-media/wave5/wave5-hw.c
index f1e022fb148e..4a262822bf17 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-hw.c
+++ b/drivers/media/platform/chips-media/wave5/wave5-hw.c
@@ -23,6 +23,15 @@
#define FEATURE_AVC_ENCODER BIT(1)
#define FEATURE_HEVC_ENCODER BIT(0)

+#define ENC_AVC_INTRA_IDR_PARAM_MASK 0x7ff
+#define ENC_AVC_INTRA_PERIOD 6
+#define ENC_AVC_IDR_PERIOD 17
+#define ENC_AVC_FORCED_IDR_HEADER 28
+
+#define ENC_HEVC_INTRA_QP 3
+#define ENC_HEVC_FORCED_IDR_HEADER 9
+#define ENC_HEVC_INTRA_PERIOD 16
+
/* Decoder support fields */
#define FEATURE_AVC_DECODER BIT(3)
#define FEATURE_HEVC_DECODER BIT(2)
@@ -1601,12 +1610,14 @@ int wave5_vpu_enc_init_seq(struct vpu_instance *inst)

if (inst->std == W_AVC_ENC)
vpu_write_reg(inst->dev, W5_CMD_ENC_SEQ_INTRA_PARAM, p_param->intra_qp |
- ((p_param->intra_period & 0x7ff) << 6) |
- ((p_param->avc_idr_period & 0x7ff) << 17));
+ ((p_param->intra_period & ENC_AVC_INTRA_IDR_PARAM_MASK) << ENC_AVC_INTRA_PERIOD) |
+ ((p_param->avc_idr_period & ENC_AVC_INTRA_IDR_PARAM_MASK) << ENC_AVC_IDR_PERIOD) |
+ (p_param->forced_idr_header_enable << ENC_AVC_FORCED_IDR_HEADER));
else if (inst->std == W_HEVC_ENC)
vpu_write_reg(inst->dev, W5_CMD_ENC_SEQ_INTRA_PARAM,
- p_param->decoding_refresh_type | (p_param->intra_qp << 3) |
- (p_param->intra_period << 16));
+ p_param->decoding_refresh_type | (p_param->intra_qp << ENC_HEVC_INTRA_QP) |
+ (p_param->forced_idr_header_enable << ENC_HEVC_FORCED_IDR_HEADER) |
+ (p_param->intra_period << ENC_HEVC_INTRA_PERIOD));

reg_val = (p_param->rdo_skip << 2) |
(p_param->lambda_scaling_enable << 3) |
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
index f29cfa3af94a..f04baa93a9b7 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
+++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
@@ -1061,6 +1061,9 @@ static int wave5_vpu_enc_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
inst->enc_param.entropy_coding_mode = ctrl->val;
break;
+ case V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR:
+ inst->enc_param.forced_idr_header_enable = ctrl->val;
+ break;
case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
break;
default:
@@ -1219,6 +1222,7 @@ static void wave5_set_enc_openparam(struct enc_open_param *open_param,
else
open_param->wave_param.intra_refresh_arg = num_ctu_row;
}
+ open_param->wave_param.forced_idr_header_enable = input.forced_idr_header_enable;
}

static int initialize_sequence(struct vpu_instance *inst)
@@ -1702,6 +1706,9 @@ static int wave5_vpu_open_enc(struct file *filp)
0, 1, 1, 0);
v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 1);
+ v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR,
+ 0, 1, 1, 0);

if (v4l2_ctrl_hdl->error) {
ret = -ENODEV;
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
index 352f6e904e50..3ad6118550ac 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
+++ b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
@@ -566,6 +566,7 @@ struct enc_wave_param {
u32 lambda_scaling_enable: 1; /* enable lambda scaling using custom GOP */
u32 transform8x8_enable: 1; /* enable 8x8 intra prediction and 8x8 transform */
u32 mb_level_rc_enable: 1; /* enable MB-level rate control */
+ u32 forced_idr_header_enable: 1; /* enable header encoding before IDR frame */
};

struct enc_open_param {
--
2.43.0