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media: venus : Addition of control support - V4L2_CID_MIN_BUFFERS_FOR_OUTPUT

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V4l2 encoder compliance expecting minimum buffers support for
the application to allocate buffers as per the control support values.

Signed-off-by: Viswanath Boma <quic_vboma@quicinc.com>
Signed-off-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Viswanath Boma 2022-08-08 11:28:29 +02:00 committed by Mauro Carvalho Chehab
parent 014a6b274b
commit 096573e4c0
1 changed files with 26 additions and 1 deletions
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27
drivers/media/platform/qcom/venus/venc_ctrls.c
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@ -8,6 +8,7 @@
#include "core.h"
#include "venc.h"
#include "helpers.h"
#define BITRATE_MIN 32000
#define BITRATE_MAX 160000000
@ -348,8 +349,29 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
return 0;
}
static int venc_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
struct venus_inst *inst = ctrl_to_inst(ctrl);
struct hfi_buffer_requirements bufreq;
enum hfi_version ver = inst->core->res->hfi_version;
int ret;
switch (ctrl->id) {
case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
if (!ret)
ctrl->val = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
break;
default:
return -EINVAL;
}
return 0;
}
static const struct v4l2_ctrl_ops venc_ctrl_ops = {
.s_ctrl = venc_op_s_ctrl,
.g_volatile_ctrl = venc_op_g_volatile_ctrl,
};
int venc_ctrl_init(struct venus_inst *inst)
@ -360,7 +382,7 @@ int venc_ctrl_init(struct venus_inst *inst)
{ 16000, 34500, 3000 }, 15635, 16450, 10000000, 500,
};
ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 58);
ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 59);
if (ret)
return ret;
@ -440,6 +462,9 @@ int venc_ctrl_init(struct venus_inst *inst)
V4L2_MPEG_VIDEO_VP8_PROFILE_3,
0, V4L2_MPEG_VIDEO_VP8_PROFILE_0);
v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 4, 11, 1, 4);
v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
V4L2_CID_MPEG_VIDEO_BITRATE, BITRATE_MIN, BITRATE_MAX,
BITRATE_STEP, BITRATE_DEFAULT);