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Subject[PATCH v2 2/6] venus: venc: Add support for constant quality control
Date
Adds implementation of V4L2_CID_MPEG_VIDEO_CONSTANT_QUALITY v4l
control when the bitrate mode is CQ.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
---
drivers/media/platform/qcom/venus/core.h | 1 +
drivers/media/platform/qcom/venus/hfi_cmds.c | 37 ++++++++++++++++++-
.../media/platform/qcom/venus/hfi_helper.h | 10 ++++-
drivers/media/platform/qcom/venus/venc.c | 14 ++++++-
.../media/platform/qcom/venus/venc_ctrls.c | 8 +++-
5 files changed, 66 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 7118612673c9..1bac30d4cf50 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -201,6 +201,7 @@ struct venc_controls {
u32 bitrate;
u32 bitrate_peak;
u32 rc_enable;
+ u32 const_quality;

u32 h264_i_period;
u32 h264_entropy_mode;
diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
index c67e412f8201..7022368c1e63 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.c
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
@@ -640,6 +640,7 @@ static int pkt_session_set_property_1x(struct hfi_session_set_property_pkt *pkt,
case HFI_RATE_CONTROL_CBR_VFR:
case HFI_RATE_CONTROL_VBR_CFR:
case HFI_RATE_CONTROL_VBR_VFR:
+ case HFI_RATE_CONTROL_CQ:
break;
default:
ret = -EINVAL;
@@ -1218,6 +1219,37 @@ pkt_session_set_property_4xx(struct hfi_session_set_property_pkt *pkt,
return 0;
}

+static int
+pkt_session_set_property_6xx(struct hfi_session_set_property_pkt *pkt,
+ void *cookie, u32 ptype, void *pdata)
+{
+ void *prop_data;
+
+ if (!pkt || !cookie || !pdata)
+ return -EINVAL;
+
+ prop_data = &pkt->data[1];
+
+ pkt->shdr.hdr.size = sizeof(*pkt);
+ pkt->shdr.hdr.pkt_type = HFI_CMD_SESSION_SET_PROPERTY;
+ pkt->shdr.session_id = hash32_ptr(cookie);
+ pkt->num_properties = 1;
+ pkt->data[0] = ptype;
+
+ switch (ptype) {
+ case HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY: {
+ struct hfi_heic_frame_quality *in = pdata, *cq = prop_data;
+
+ cq->frame_quality = in->frame_quality;
+ pkt->shdr.hdr.size += sizeof(u32) + sizeof(*cq);
+ break;
+ } default:
+ return pkt_session_set_property_4xx(pkt, cookie, ptype, pdata);
+ }
+
+ return 0;
+}
+
int pkt_session_get_property(struct hfi_session_get_property_pkt *pkt,
void *cookie, u32 ptype)
{
@@ -1236,7 +1268,10 @@ int pkt_session_set_property(struct hfi_session_set_property_pkt *pkt,
if (hfi_ver == HFI_VERSION_3XX)
return pkt_session_set_property_3xx(pkt, cookie, ptype, pdata);

- return pkt_session_set_property_4xx(pkt, cookie, ptype, pdata);
+ if (hfi_ver == HFI_VERSION_4XX)
+ return pkt_session_set_property_4xx(pkt, cookie, ptype, pdata);
+
+ return pkt_session_set_property_6xx(pkt, cookie, ptype, pdata);
}

void pkt_set_version(enum hfi_version version)
diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
index f6613df1d16b..758c70ac26fd 100644
--- a/drivers/media/platform/qcom/venus/hfi_helper.h
+++ b/drivers/media/platform/qcom/venus/hfi_helper.h
@@ -231,6 +231,7 @@
#define HFI_RATE_CONTROL_VBR_CFR 0x1000003
#define HFI_RATE_CONTROL_CBR_VFR 0x1000004
#define HFI_RATE_CONTROL_CBR_CFR 0x1000005
+#define HFI_RATE_CONTROL_CQ 0x1000008

#define HFI_VIDEO_CODEC_H264 0x00000002
#define HFI_VIDEO_CODEC_H263 0x00000004
@@ -504,6 +505,7 @@
#define HFI_PROPERTY_CONFIG_VENC_HIER_P_ENH_LAYER 0x200600b
#define HFI_PROPERTY_CONFIG_VENC_LTRPERIOD 0x200600c
#define HFI_PROPERTY_CONFIG_VENC_PERF_MODE 0x200600e
+#define HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY 0x2006014

/*
* HFI_PROPERTY_PARAM_VPE_COMMON_START
@@ -520,7 +522,8 @@
enum hfi_version {
HFI_VERSION_1XX,
HFI_VERSION_3XX,
- HFI_VERSION_4XX
+ HFI_VERSION_4XX,
+ HFI_VERSION_6XX,
};

struct hfi_buffer_info {
@@ -725,6 +728,11 @@ struct hfi_quality_vs_speed {
u32 quality_vs_speed;
};

+struct hfi_heic_frame_quality {
+ u32 frame_quality;
+ u32 reserved[3];
+};
+
struct hfi_quantization {
u32 qp_i;
u32 qp_p;
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 513bbc07f7bc..4c30c3f3369e 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -740,14 +740,26 @@ static int venc_set_properties(struct venus_inst *inst)
rate_control = HFI_RATE_CONTROL_OFF;
else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
rate_control = HFI_RATE_CONTROL_VBR_CFR;
- else
+ else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
rate_control = HFI_RATE_CONTROL_CBR_CFR;
+ else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ)
+ rate_control = HFI_RATE_CONTROL_CQ;

ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
ret = hfi_session_set_property(inst, ptype, &rate_control);
if (ret)
return ret;

+ if (rate_control == HFI_RATE_CONTROL_CQ && ctr->const_quality) {
+ struct hfi_heic_frame_quality quality = {};
+
+ ptype = HFI_PROPERTY_CONFIG_HEIC_FRAME_QUALITY;
+ quality.frame_quality = ctr->const_quality;
+ ret = hfi_session_set_property(inst, ptype, &quality);
+ if (ret)
+ return ret;
+ }
+
if (!ctr->bitrate)
bitrate = 64000;
else
diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 8362dde7949e..97a1e821c07e 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -202,6 +202,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
ctr->rc_enable = ctrl->val;
break;
+ case V4L2_CID_MPEG_VIDEO_CONSTANT_QUALITY:
+ ctr->const_quality = ctrl->val;
+ break;
default:
return -EINVAL;
}
@@ -217,7 +220,7 @@ int venc_ctrl_init(struct venus_inst *inst)
{
int ret;

- ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 31);
+ ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 32);
if (ret)
return ret;

@@ -357,6 +360,9 @@ int venc_ctrl_init(struct venus_inst *inst)
v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);

+ v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_CONSTANT_QUALITY, 0, 100, 1, 0);
+
ret = inst->ctrl_handler.error;
if (ret)
goto err;
--
2.17.1
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