media: venus: add support for key frame
When client requests for a keyframe, set the property to hardware to generate the sync frame. Signed-off-by: Malathi Gottam <mgottam@codeaurora.org> Acked-by: Tomasz Figa <tfiga@chromium.org> Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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8d31a499c6
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c35f0b1653
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@ -79,6 +79,7 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct venus_inst *inst = ctrl_to_inst(ctrl);
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struct venc_controls *ctr = &inst->controls.enc;
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struct hfi_enable en = { .enable = 1 };
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struct hfi_bitrate brate;
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u32 bframes;
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u32 ptype;
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@ -188,6 +189,19 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
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ctr->num_b_frames = bframes;
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break;
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case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
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mutex_lock(&inst->lock);
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if (inst->streamon_out && inst->streamon_cap) {
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ptype = HFI_PROPERTY_CONFIG_VENC_REQUEST_SYNC_FRAME;
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ret = hfi_session_set_property(inst, ptype, &en);
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if (ret) {
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mutex_unlock(&inst->lock);
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return ret;
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}
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}
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mutex_unlock(&inst->lock);
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break;
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default:
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return -EINVAL;
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}
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@ -203,7 +217,7 @@ int venc_ctrl_init(struct venus_inst *inst)
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{
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int ret;
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ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 27);
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ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 28);
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if (ret)
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return ret;
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@ -324,6 +338,9 @@ int venc_ctrl_init(struct venus_inst *inst)
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v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
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V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, 0, (1 << 16) - 1, 1, 0);
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v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
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V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0);
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ret = inst->ctrl_handler.error;
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if (ret)
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goto err;
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