Re: [PATCH v3 3/3] venus: venc: Add support for frame-specific min/max qp controls

From: dikshita
Date: Tue Dec 08 2020 - 11:38:33 EST


On 2020-12-02 19:06, Hans Verkuil wrote:
On 18/11/2020 07:54, Dikshita Agarwal wrote:
Add support for frame type specific min and max qp controls
for encoder.

Signed-off-by: Dikshita Agarwal <dikshita@xxxxxxxxxxxxxx>
---
drivers/media/platform/qcom/venus/core.h | 18 +++++++++
drivers/media/platform/qcom/venus/venc.c | 21 ++++++++---
drivers/media/platform/qcom/venus/venc_ctrls.c | 51 ++++++++++++++++++++++++++
3 files changed, 85 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 3bc129a..6a764c9 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -230,10 +230,28 @@ struct venc_controls {
u32 h264_b_qp;
u32 h264_min_qp;
u32 h264_max_qp;
+ u32 h264_i_min_qp;
+ u32 h264_i_max_qp;
+ u32 h264_p_min_qp;
+ u32 h264_p_max_qp;
+ u32 h264_b_min_qp;
+ u32 h264_b_max_qp;
u32 h264_loop_filter_mode;
s32 h264_loop_filter_alpha;
s32 h264_loop_filter_beta;

+ u32 hevc_i_qp;
+ u32 hevc_p_qp;
+ u32 hevc_b_qp;
+ u32 hevc_min_qp;
+ u32 hevc_max_qp;
+ u32 hevc_i_min_qp;
+ u32 hevc_i_max_qp;
+ u32 hevc_p_min_qp;
+ u32 hevc_p_max_qp;
+ u32 hevc_b_min_qp;
+ u32 hevc_b_max_qp;
+
u32 vp8_min_qp;
u32 vp8_max_qp;

diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 0bf92cc..f2f5a85 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -668,17 +668,28 @@ static int venc_set_properties(struct venus_inst *inst)
return ret;

ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
- quant.qp_i = ctr->h264_i_qp;
- quant.qp_p = ctr->h264_p_qp;
- quant.qp_b = ctr->h264_b_qp;
+ if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
+ quant.qp_i = ctr->hevc_i_qp;
+ quant.qp_p = ctr->hevc_p_qp;
+ quant.qp_b = ctr->hevc_b_qp;
+ } else {
+ quant.qp_i = ctr->h264_i_qp;
+ quant.qp_p = ctr->h264_p_qp;
+ quant.qp_b = ctr->h264_b_qp;
+ }
quant.layer_id = 0;
ret = hfi_session_set_property(inst, ptype, &quant);
if (ret)
return ret;

ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
- quant_range.min_qp = ctr->h264_min_qp;
- quant_range.max_qp = ctr->h264_max_qp;
+ if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
+ quant_range.min_qp = ctr->hevc_min_qp;
+ quant_range.max_qp = ctr->hevc_max_qp;
+ } else {
+ quant_range.min_qp = ctr->h264_min_qp;
+ quant_range.max_qp = ctr->h264_max_qp;
+ }
quant_range.layer_id = 0;
ret = hfi_session_set_property(inst, ptype, &quant_range);
if (ret)
diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 0708b3b..cd131e3 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -125,9 +125,60 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
ctr->h264_min_qp = ctrl->val;
break;
+ case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MIN_QP:
+ ctr->h264_i_min_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP:
+ ctr->h264_p_min_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP:
+ ctr->h264_b_min_qp = ctrl->val;
+ break;
case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
ctr->h264_max_qp = ctrl->val;
break;
+ case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP:
+ ctr->h264_i_max_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP:
+ ctr->h264_p_max_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP:
+ ctr->h264_b_max_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP:
+ ctr->hevc_i_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_QP:
+ ctr->hevc_p_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP:
+ ctr->hevc_b_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP:
+ ctr->hevc_min_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP:
+ ctr->hevc_i_min_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP:
+ ctr->hevc_p_min_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP:
+ ctr->hevc_b_min_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP:
+ ctr->hevc_max_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP:
+ ctr->hevc_i_max_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP:
+ ctr->hevc_p_max_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP:
+ ctr->hevc_b_max_qp = ctrl->val;
+ break;
case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
ctr->multi_slice_mode = ctrl->val;
break;


This looks incomplete: the new controls aren't actually added to the
driver with v4l2_ctrl_new_std(). Did you test this?
Oh, Sorry. Looks like I forgot to add some changes.
will send a new patch.

Thanks,
Dikshita

Regards,

Hans