# 支持使用离线 IFE 的多摄像头

Note

本节仅适用于 QCS9075。

QCS9075 有两个 IFE，支持实时对 Bayer 摄像头图像进行去 Bayer 处理（Bayer 到 YUV 处理）。这可以支持来自两个 Bayer 摄像头的并发流传输。

离线 IFE 功能允许 IFE 在离线模式下运行，并支持使用单个 IFE 对两个摄像头进行去 Bayer 处理。这可以支持来自四个 Bayer 摄像头的并发流传输。

![../_images/multi_camera_offline_IFE.png](data:image/png;base64,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)

每个传感器都连接到一个 IFE-Lite 硬件实例，并使用 RDI 端口将数据 dump 到 DDR。单个 IFE 硬件用于通过总线提取引擎 SFE Lite 从两个 IFE-Lite 读取数据，并在离线模式下处理数据。

通过这种方法，摄像头帧不是直接传送到 IFE，而是从 IFE\_LITE 路由并 dump 到 DDR。然后，使用提取引擎 SFE Lite 将它们提供给 IFE 进行 Bayer 到 YUV 的处理。

通过启用此功能，可以运行以下摄像头并发用例：

- 四个 OV9292 MIPI 摄像头连接到 4 个 MIPI CSI 插槽 0、1、2 和 3
- 单个 Bayer OX03F10 GMSL 摄像头连接到 GMSL 端口 0 和三个 OV9282 摄像头连接到 CSI 插槽 1、2 和 3

## 测试步骤

Note

使用 SSH 连接到设备控制台。相关说明，请参见[如何使用 SSH](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-254/how_to.html#use-ssh)。

要收集用户日志，请在设备中运行以下命令：

# journalctl -f > /opt/user_log.txt
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要收集内核日志，请在设备中运行以下命令：

# dmesg -w  > /opt/kernel_log.txt
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对每个摄像头运行带有 `multicamera-hint=true` 的 GST 命令以启用此功能。例如：

gst-launch-1.0 -e qtiqmmfsrc name=camsrc camera=0 multicamera-hint=true ! \
    video/x-raw,format=NV12,width=1280,height=720,framerate=30/1,\
    interlace-mode=progressive,colorimetry=bt601 ! v4l2h264enc \
    capture-io-mode=4 output-io-mode=5 extra-controls="controls,video_bitrate=6000000,\
    video_bitrate_mode=0;" ! h264parse ! mp4mux ! filesink location=/opt/mux_avc.mp4
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同样，使用 `multicamera-hint=true` 选项运行其他摄像头。

## 日志验证

检查用户日志中的以下打印：

CamX: [CORE_CFG]3509 3556 [CORE   ] camxpipeline.h:4222 SetPipelineStatus() RealTimeFeatureZSLPreviewRawOfflineIFE_0_cam_0 status is now PipelineStatus::STREAM_ON
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检查内核日志中的以下打印：

CAM_INFO: CAM-ISP: cam_ife_hw_mgr_print_acquire_info: 1733: 0:4:11.835 Acquired Single IFE[0] SFE[0] OFFLINE: Y with [9 pix] [0 pd] [0 rdi] ports for ctx:1
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Last Published: May 06, 2025

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