# 视频单目深度估计

Source: [https://docs.qualcomm.com/doc/80-70018-50SC/topic/mono-depth-from-video.html](https://docs.qualcomm.com/doc/80-70018-50SC/topic/mono-depth-from-video.html)

**gst-ai-monodepth** 应用程序可以对实时摄像头流、文件或 RTSP 流推断源的深度。

该图显示了一个 pipeline，该 pipeline 从接收端采集流、对视频数据进行预处理、并使用 AI 硬件运行推理。有关 pipeline 中使用的插件的信息，请参见 [Pipeline 流](https://docs.qualcomm.com/doc/80-70018-50SC/topic/mono-depth-from-video.html#mono-depth-from-video__section_w3l_s1t_pbc)。

Figure :  gst-ai-monodepth pipeline
            
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Ophp4/vDSq9QzmwCxGUIZYY9VawVVReLbaPyDiXBts425pQeClc3gy+cgbyKC6YUk5iaVZaXJnPwwl4/S7gbo7V+eugWqugnbxVoZXhyZz7HQ12rjnh9kFHjothZ1l/VXTCz8luZF8GB1Cayf3yDFLtGVZv25gRzXO3WndZ8/7ERv/pxrPp2/RGq14EbmJfOWl0zHve9Kvi7OH1LWB6D5Sgb8GIYWLUXWID3FaW7mbCKSXfyBChil47krouCb8srcvYzKkMFn4isRzBj7SW79bxd0f51PEhreHugh6weWwuYda35JnlHrVWWa9aNzNzAz/UeZNpktRY90+W7uexSx8ScsEfezvFR4j1qiy5OscFcPLlCFboqaV81MZO//1syHtCcQshTvE/ZBJgIYr397HcHSV1Tu3rHQqwQLWs09imr86Ys3guYacE/R6jKNRx4qqzVA5nGpsKKWAOCDSBgNq0aAAAAAJ6+8MD1LxslyhoyZ/FUBcFRLVig1l+yw/krKWodjDj0tJvdj/fYKD6PBcQUz9iaRLN5uAAAAAAG7aufhX5qmpYGrj2wYGi5Sapjviw5PQWcuauRhOLs8F5EWuNs8ziVxvtbOZvhWfGUsAV/tmB6Xj/weERvZRy44rvooAnxQbINhu8mf7rmPwzUlWVFYDO7D+EDklKL/iqN2C/HoEODA34sjim2jumPslswwdtJ+lgoVV+kLuWdjnzXgAABoGytjaiovowvc35FFqIXcDbjEoj0hiDx9Ka/V5HdwimvvMwoAUCoezDlJtZBNclPRSMwSc2GGXOdP86yIpBGR/0kvi07nK76p9oy6UByhH9PuGsvfnW0CCfmAVUDqbdvXeNlJeaxbrOqKkHI2WVkFn8cNzLVqabnVW2zhUV+UZTrU4Hcrwoz0+hVmkVKdVXUayAxpNTaKIGFnjMqoqPkRD8QOQm4U0QvXWqfiD9e70uRiwdk+tN22Jt2WZTbqAIB5MmSGXXhov5eyR+hbTRmcbtAAPRK2fwkdiUcnJlYv/UImvRwUkDZ0WXjCbGPTTUXMcFieiJmfXljPrOrMutNTukmlEQABd0Xj6PCXDivp9Q830pTcauReoa4Fr7qGZKwTfS+fA972SodjZl+16Wae61cOFs1iLS9TvyYwbElPrS12yIR3SrXORm3DiRjUXPncBU+dC7NfACQF513wWPraxeH9Hcg+LzC6+pEslTYVmSFZkHgt5uY2ogjsCnLa+9ZRhHGUPfmy6Z2dvgs4bAy1kLDNDxKY6ESyphQneWI5ZoTRpjEMjI3XP/+p5XM4UaovPAmY0OSfTcI3ticTRdcadvDq3l/L37HNbDuVloaO3/EXS4f3x/xEfLnAinOj38Hm8uGdMnci3LDETdJG7/ewLPzUMTbS/dnLlkQlR1+Tz8DBMdhDbpInMDi0vUvZbEPTjzYoUYxufNoT0VfOU1vqwuyyduw307cM5YXRiY35oiN6jirp9ZyxoTfyHfiRI+Rc6rT3cDkjLBv/BC8NA5UBdTGhqzxMXx0m8DUeNcz6ZxMfnSUrbiRd0b/NMRdo5ae+AqxUaJG/YNpq67rpJQKdM+Yw3Pdicy32LqbGIYy64hmbHVR1RUbDOsj2djwGYmo3OCrZasAvUrETYHVtRJcnk+2M78YRp3gOF4kYtWPKxhJbcy99eS/iS9iqANLcLTOmMErtxumfSMWCmyvLEIGtCxe+an8cgbR3lqjoycOExr3W+n9Nb2sHN1JZKdhWA6DCq+hhNHqBjVUAKF3/7y0F98BwwhsWEgPUoPfO8rgIxy8tu8dIjs1MqglIe8TnM7rGySMOgwW3VeCC/xBQfLZ0NnNhkeULN/yJHc7j8SjjTWfP7Dh61v2+SoYovs0femWUK4suYaip4KOC4fAda1ILO0Ks6MjHvXCqsSzDK7b468s/6NnBF8yBtfcYThDhVHnWeW2WqVf9ITqC0MggiY9rj4cj5itXHfRhFOX0hl028uQi/ikvtqBcpFeAi1EqmADU9TsNuPC/uvFIC8PKfTA3jZ+I0Ae5gnTQ65w3xcn1NvFPj8wAoPZ280fKFExI/f7mqjV0oukAFQbbZf+297ArIUefcJz3y7MBEp3UxGnOdaTntKZnCkt9vVSNiGMtBfqAffToFToLdC5S8D4lux16xOz+/qJH1y+2Q/5Su+rdA4/NflqfsDOMY+04hldicgYublpkBi7TIDCigB6lqzYQHwq5oHklt7+M5TIfaZ5WVuKgWg8yVYDrP8yagqbwO9C0nhZeO5Ui9nVthS4UClbHiUqOHFFTzodyw57X9oLpxcYle8vs+1LCyk6wW20RaCoBjNwtBhPVKIil2CoauNSwjJeg1b4MRO7QVcsn1145RN6dUv4YC++mSNrfmZove6PQ/+78D4VSZb73NGycqyGJ4/1HkfK3uRb7yGVypYS+YHVh4/Wuc98MfYhmYfWK7Y02IZk4/Hv4uP9y1fNyrFNgVu1bg0UAvXAnWXfyqlSXATUBhMNNqjI8kZsrnzSBgiGnxOc/suU/k1KUNrVK66Kuigd1IMkqdH0nq0wK83udaucKmaswKXl7sUrPUWqLq4hz3DTVw04pPiOvqIzgMuxf0BjaIGUappvoWQP4IJLqACMYsvbbt+vJE7peLMGtU9nfGIfGhlO4tNTN5o4SHknjYigstFpqrVNLYnBzF3BazvEV/Yoe8D2FKLjkWSyNaEK+nUBdaORmpdLI8031w6wuClIR3UY2WTOiys6XoIP3aevNpFvT6dZc/9DhbeUA2P725WNfIrVsRlDns2KxQYU4P+Fsp6t33gStJfZjB1Qn3FMRrlZaSX89XDGrZbzVO1huUBBmXgXzjH1Jfk6Y7GGPjB9HI+EsP8R0bJYTzRXbVaFmyN9iXOFnklg7LTXxcZ8M3OpzA3fr90P6DWILLP98d6Fri7/aHcubIHCIIziK7x6QdLSShYlETuUa+HNpxSFkVSkxVoIvH9O1NNdQojW0/DWqilST2yidrUbNZPylbzENnE6cEk+v8rlX0W9TbpoV2ZkaxgOzqOgAoUoEwnJPA0b+hMq1BFLmK9UUI0kMgoNQD0kQ3gIKJ7DFEcO9Xma0Gb0d7a91m8+WA1vt624MUf7WbggQWUExK9cYuDGIhy12t9oXHMFq5rEFSZ0w/tQfFCoSCMy9qMjpWbevCsWYT4/IKsMQ77kg2Q1+Ctqt7TMnjtk0+TC4WUuAbL5NPPHCl7NpCPZR+s+ZotbFxOS6sJGa6NumDDgUKdpDunTRlpEO0QnFiDOIiV1gXnuc629cPgMx9rmqmCMRaXGfZ4E9nhr4SNAu46AYJuaacYIAIpyK9CplhDkp4/XEwqDBTSZOpX29Mcu3NjWwojLjXOF/YhL2QgnQtHznsp6crjVzbwLGa56Ei0rwTEDktbhPATIeQHj7aJ/hdhxs11uhqYbWrK/+uJwRQ4UDN1U88QS4h4wZ+O7DcUW7DiZKiFf3mTRNUeys+1aDHtA0IXGcRGXbjHwjhtxDERd3zhZzu3JYpPUQFFLuWhB3JBAS4KHbqz9VgfOherF2c9EGVNiihRz2Bliwb3mg15jDaIUoA79Rx+SC/sfZSkjqREq7bdESrdoY2GsMiL5QZK+39ZC8aH1JJtbmKSvQfw/6tJVX/tk2B3yd7CVewPHgGkUFbUjrY49x7b6l5GBNm6TGjBwEipW2+1T0IjVLZiEOqgAXejuQIIcFVt29KuD0scHVq+j14ASe/BlLa5objZo/1J7OWbiiVbgtmcrzeOMQTTGKxVc405WASeT65x7hqzuAlPz5B53gB1dgCeLCuI1LAyJTbIkoW2F0CjtsSmHTPBQdUZpf3CggsDOLnVvtSr4LLMl1gYKSG6XqrEtAfOe/gjj6nFy2wE8pCtJNeyfskU5X/KXFeRRvv1/jr43DVfz/l37zr5avJnWGuoSim0HRManht3vqkc+mM6BeKbodrfy/2X7pd37zM2k2cqeIGKGETT+YCfjBfSeAiNaXxylPtDELHsoJBmZMbR2scS3Dsik8Z9NN7sAT08drlQmct6vX6e6XIDnH7CBbpBInMiQ1ntM7mt0fNtAyJb3sSp+jFUnCunrxEwXCXZ+wOBtSGjBVc1G64YHehaTw5IIxJK3BmggzLsGc5LbdYzb4qGxATlsfI0C35hW6COvl4OgBaAmlAxhq1QGK+jY3BU97B5LiVM4A810H4V1e5CEj4AKW/TpPd3hysy1Bs3Amr6+E+9l4TJy33TQxy4Rmh7HQ67pV6/iSSaETRHvk3Vtkve6yzIhLp9kcduH0x4ZU3g6tu3nnvUHjrc2Q5Xz/PDx/Q1P6jEBsQfPYU49u4AFE/XSdtbNPEcVwxa7817VOKKdf+28P+UBey4OguF90UiVRfkO2Q82/Q5UK+hGw1WQejVKMUHOOsnbGV9rqOK59NXTW9a9zYvyzfQXS4qtARuAdr1ZCGPQ/OmHpChtRy1Yg2lhcDH951tc5o8Z75P9ag1jwgU5bKTgj1Hc+mtFfpLbKVwvl9nvK6Chh3XXvjfvrMpQpblqqwlDsAhY5imHj2/s+8AANVgQQmwAEJhVer9fI4AAooAAAAAAAAYJr/EclTQ6H1Br2ia2m/RRcW2dOPvtBdoT1sFsV8AtFZ5nWvLTw1/iOSpoW/efTyjZWKPdoXUfsCqUdfyB2LzF7/z1nSCPbb5WGaYGS9o94Ixnc62wGKu/IPH36pv37DMwgOJYlAgqK3bHxK841n+LKpd+fFpTTevztnoAAXTPsrF+DR6Ia2tcTLVBA7P48p2YsV1wJoMh2hZ74482yandyA66ZTw7P+gM61vF6aB8CvPWakEpjVpl6qgCfD58/1QiyHjwt/R57gJe0Rw63ybOUcGsJywfYuesOiwyYbJQmIrczjSwjcL708bIKpGakR/znHWHhLsfEmNbVGq75Zi2rL6u9pA2UYuJateZSHOeo6vL5/Au9x7AJZc2TYIJQxnBKamcNtHT6MxEK5IWrEjk79ywlTu8JXkg0WsZIPyALLD+h1hIP7hK5mcI0i5Xr8EpRv91fdX0iRFyFjxXietmHUizu0AVRhBgYQw/uKY6uOoo11/LzrDhOVUzKRE4pLHV0WSCS+Mx5tOMMH48elup1eQYCfaYWRLKwz89i/0P/+X3/pF7txgsqjIJkSVqKQceedFObp+51JfxYMM/SCQuK9lccSmLdBkML9HFkFpepouw2WxWmIJIBOxqs1iCKZf0Bxs7lrjTyL2lW+BYzigZ8IddJKAmWAtPCsg17nLExZZIiR6qLfRDS4Rk2vmdEd0vAZkhYmc0JL3xlu1O7byObYLDHuIeb6t6EWIuA1c5MbqKdl1ngWC1JS1+vikA/DgQgWb0q2ck+yG1GWZtE/sNiqXO5Gw0BkZp5x5wBbxvXJyprUAFnMaVNqkZRTdlhnSpl9cTZoF2ifBOivZYgOxjaB17cnQn7/c5Y1l1UEf/0QTECiDRkANsM+LIDXanGEvIJ1TlGyfQ6Vym12L5OA7eS+sNSJ/lmh9hqKZZIQnwA6Yae2AMI9ZUHLFw7InenFRC4g55yyr1ef1x2CZmjsKNIEbjOXMle139QHHKkZ8Ud61Nk0CU+TFGJwglManKm5K+LQSDv8AEuJJpFarcOTBYmxmcsWuDwgene6j2/n1h6tXH5bqxIsvsdeReafKblgqJb1OkWAg9546KSvWTfkRy7xSXB/wC5KP6QZGYwpzvYCMVXsUOUmd6bwIB2JnxWvH4mPzJ5IkB7gWKv9akkTD8x+/U5LQE9xmZpP7cHF8syPcsUjWUx7xH8NTxnZuGgRCxUCSM3mlLSmzM19x6cVKBfhMG4o9XyD7LiaezqEsDS67wIBGFA5Wk26ApXNYcrS+GHbBbVKEQ27YVdTrfjC1QOsuGjFJusEAdpOJNMu0ZZgeBQLbAV0OEL496RYWSonCTkUN9eW3eU9JgkJ+PVePvbLdo/0BUa3MDqKC6sBZiMIloPQwCfhnKH2fMPHV2MpjoeLo98qM9IDRgMfzrFsdbkRrhBkw7NBRGx/ZRg930FB6d5QSWQDog3R03uHRK716bIM2/0vU+PizmwujmvvZUEnFUiTocEThLgbQOfVnQDr55BjO5nAOQqobddtHzR0kHrQg3xrgYRfv6fTTUyz3nRAB/F6iiLK3zoXqgalttFhi2R3fm8BKch+LbI1nf8cBboDIODxSMUObVvV5aJAwMmKBT9SKgEH5Rrl+686Yb5rD6+mRhTjqQp+uXfRmrCa0WeBUbA/QVcUpXbUpA90epMeU63gIsZeVvePzHaG/7QkyCP/IPXn1Tp2udAdeECXcLSfe9H4KYbWWNpDLgU26uDUOryFubZdGau9NRpPc0Vr63NDQIeAh6+Co0igePPDZUvv/mnm1HLF2NsXJ+FVkmDwHdMUAnwXChccqJ2Mm01gIzmxjunedJQxuhuZsntgTJLLnaJwmYldm9+WdQXdielwf6HSbdzp4JJGJw4LDRjTKDJTWTR/j5n8jkP4PsF+YG5Q5NyjeQ83m4eCbTx/HhuSck9gSctUbXuN4b22OISGCpApYTNJmz9GangsjPvGZQV+1NcmPK3bRnqF2pJvaq2wCLNsahWgRB9v1VzAM+G0c9RvLdkxomcxCCQjS8WRu5CJLV5f/gfSoPDDD1s71VEHJ9hJe3aL57V+KqCKCk1KqfrNAaKhi94x8qYQPgHx9u1T3K6zt+MphfEIn8LbMYU5Dfj4gCgergjbXImsoiJWWby2UrG9dztoDEGQC8nOSJI6SlavNxvMXTRaGYgdG+kEiirp00xaTfKWzldKyUoB032rui0qlCeGT7L0nJTaO4GBkmjnu+d2Rzy3v49LQ0KkF3NyGqdljsYnPHatv6Lesxoz9jWbfabXPoExvwo+azcJZpIwqwuCgoAoQtW8qdRF/XN/Ex20niElLV8hmxT2yPdxCSqHpyk9TZSeIoZLXwuRUXoal4fC3psHapva+uaiC7R6P2rjQSbPO7BLBtmlQRgkHrUiu6pVXOfsnsIaS89TQ2e+Lfhhnbo98Ig/u6vW+hRO6U6L0TW2BpmCEeoeqhmCVFQvAcZM02+LXy8UzRrTpdvIqAPF0Br9gCNGt5mYxjypznK5ySCcEdQZax/wz6/qfGVXZb/CeRCGEj6o6jiN+TLVP8LhURBGByaFKPAqvW6trHfbBX6ijiRmEnD2636iaIkEP58QcJUqAXcWQ4qwLo8RYka5n2ZQCelN3NYI2jqxNNhktYjrdQrElmvGL+rCTHWUKXwuWmn3dzCcZgJ3UlySEwo9ur1UH8B8cGxPt9ouWIXjdViK1rakyDSAh5ABE02Eg/15uiQW17vDOJ1R7hGSKcaH0GHnF1CbwTIzFVkAwdHPYyixb8TDpfpKzc7OCn1V5R8js8WxNTE8XYk/v9tcSQB2WJLXS76Hp+8Z9RspivT6+ed1tI+c39QsXv41oV5VyikGth11gEvdFyGPt4uoL8eHaWj6cTytNjklnINPoFFN2RVsBV7ye3lHMxqqU2f1QTlxMTWORxoQ30jJ2hAVNt8pzW1R8kDqlAnp31HypeIuMh+kK8G4MfKvIZyHO7W6FJz2n/CTOIk72pPnrWD7jw4MCBQNJ4qXzcA9GAExbe5Kmf2T2/AZ0NgP/FGuDc8J1cIzgiT6ybpSSIL6VgYXyd7Sql+tJ/+IiyVJGJaJc9QXCyInu3TKSLqjhIKOV+KjqZWO+L5Y9dLCYgPKduk5YRbd9UjcX5om0kVOPgBEaaYZsNcWexcUfwwbg//ZR3ILCTHfcZtuBT5D4sjdm7Wc6uV4adfSVZVMQFDto6/lDcgEE6FT+IHBbu+XhNjw+br7MnLtMEfm6yyYWT5b8qbZs+UPx5K78h1gePB2HIX53fWKx88E/gD/nbVNyqAfM7Z8xQvrBfIBpbqoXD5Z3dFzH4X712KMkHnlBOhVcQVdyz8P2zQfPhE38WuSEjFGqwmd99bv0IoAPJpUOAbFVq1vkj8tSVJrpBH1YjgeNmazEvIhJSuRMCiPn46D8L3WHDnU2E3EZF3GaFsxksNVlHBTDBYHCgGvdlp+B900Dfzd/LX/yoo+MrG38YjmRRZ8cpVpF70qQ8sdb+rJQ8a2KnXUZKUcYSy7ybAr2F96gVBb5YojPim0PV9Uibz1NLSUhMpsr5BAy686PWFe+ytGbqpxekxaZH6bqrBReRJ/zwLqIdAvMYTJmXG9Qn0ac7ZUxOgAJO2Y+aPMvcDyp4mVS7eKT/v2ZZj6sH5Bktudg1QZCd/acm8l5e+wGBB/+i77tK2mBM9phEbyZ5YNxV0UcUeBUKc/qEoICQMNTJYAJEAAAFYcV+JynDiwpsxIgAAAAAAAAAAA=)

## 示例模型和标签文件

| Runtime | 模型文件 | 标签文件 |
| --- | --- | --- |
| Qualcomm Neural Processing SDK | <var class="keyword varname">midasv2.dlc</var> | <var class="keyword varname">monodepth.labels</var> |
| LiteRT | <var class="keyword varname">midas_quantized.tflite</var> | <var class="keyword varname">monodepth.labels</var> |
| Qualcomm AI Engine Direct | <var class="keyword varname">midas_quantized.bin</var> | <var class="keyword varname">monodepth.labels</var> |
|  |  |  |
|  |  |  |

## 前提条件

- 如果尚未完成，请参见[下载并安装 eSDK](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-51/install-sdk.html#download-and-install-esdk-)。
- [下载模型和标签文件](https://docs.qualcomm.com/doc/80-70018-50SC/topic/download-model-and-label-files.html).
    该应用程序支持 Qualcomm Neural Processing SDK、Qualcomm AI Engine Direct 和 LiteRT 模型。
- 要访问您的主机设备，请启用 SSH。有关说明，请参阅[使用 SSH 登录](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-254/how_to.html#use-ssh)。 
Note: 如果 SSH 已启用，则可以跳过此步骤。
- 使用 HDMI 端口将显示器连接到设备。有关说明，请参见[设置 HDMI 显示器](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-18/samples.html)。
- 启用显示器：

        export XDG_RUNTIME_DIR=/dev/socket/weston && export WAYLAND_DISPLAY=wayland-1Copy to clipboard

如果启用摄像头或显示器时遇到问题，请参阅[摄像头故障排除](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-17/troubleshooting.html)和[显示器故障排除](https://docs.qualcomm.com/bundle/publicresource/topics/80-70018-18/debug.html)。

## 运行应用程序

示例应用程序使用 /etc/configs/config\_monodepth.json 文件读取输入参数。

要创建自己的 config JSON 文件，请使用 [config_monodepth.json](https://git.codelinaro.org/clo/le/platform/vendor/qcom-opensource/gst-plugins-qti-oss/-/blob/imsdk.lnx.2.0.0.r2-rel/gst-sample-apps/gst-ai-monodepth/config_monodepth.json?ref_type=heads) 作为参考。

1. 使用以下格式的 config\_monodepth.json
                        文件：

        {
          "file-path": "<input video path>",
          "ml-framework": "<snpe, tflite, or qnn framework>",
          "model": "<path-to-model-file>",
          "labels": "<path-to-label-file>",
          "constants": "<model-constants-for-quantized-LiteRT-model>",
          "runtime": "<dsp, gpu, or cpu runtime>"
        }Copy to clipboard

Note: 根据模型、输入流和其他属性更新 config JSON
                        文件。关于更多详细信息，请参阅 [Config JSON 字段说明](https://docs.qualcomm.com/doc/80-70018-50SC/topic/mono-depth-from-video.html#mono-depth-from-video__section_xhk_l4r_32c)。

    例如，使用 LiteRT 模型和 DSP runtime
                    间运行应用程序，其输入来自视频文件以及自定义模型和标签路径：

        {
            "file-path": "/etc/media/video.mp4",
            "ml-framework": "tflite",
            "model": "/etc/models/midas_quantized.tflite",
            "labels": "/etc/labels/monodepth.labels",
            "constants": "Midas,q-offsets=<0.0>,q-scales=<4.716535568237305>;",
            "runtime": "dsp"
          }Copy to clipboard
2. 运行 gst-ai-monodepth 应用程序：

        gst-ai-monodepth --config-file=/etc/configs/config_monodepth.jsonCopy to clipboard

要显示可用的帮助选项，请在 SSH shell 中运行以下命令：

    gst-ai-monodepth -hCopy to clipboard

要停止用例，请按 CTRL + C。

## 预期输出

叠加的模型输出流与实时流并排显示。

Figure : gst-ai-monodepth 应用程序的预期输出
                
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)

## Pipeline 流

该表列出了单目深度 pipeline 中使用的插件：

| 插件 | 说明 |
| --- | --- |
| 摄像头源：[qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtiqmmfsrc.html) | <ul class="ul" id="mono-depth-from-video__ul_zyl_gj1_mcc"><br>                                    <li class="li">从摄像头采集实时流。</li><br><br>                                    <li class="li">使用 tee 拆分流进行推理。</li><br><br>                                </ul> |
| 文件源：filesrc | <ul class="ul" id="mono-depth-from-video__ul_z1z_x4f_w1c"><br>                                    <li class="li">使用 filesrc 采集视频流，然后使用 qtdemux 对视频流进行解复用。</li><br><br>                                    <li class="li">使用 tee 拆分流进行推理。</li><br><br>                                </ul> |
| RTSP 源：rtspsrc | <ul class="ul" id="mono-depth-from-video__ul_vsj_2r4_tbc"><br>                                    <li class="li">使用 rtspsrc 采集 RTSP 流，然后使用 rtph264depay 进行视频提取。</li><br><br>                                    <li class="li">使用 tee 拆分流进行推理。</li><br><br>                                </ul> |
| h264parse | 渲染 H.264 视频。 |
| [v4l2h264dec](https://docs.qualcomm.com/doc/80-70018-50SC/topic/v4l2h264dec.html) | 解码视频 |
| [qtimlvconverter](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtimlvconverter.html) | AI 处理流将其用于预处理：<ol class="ol" id="mono-depth-from-video__ol_j34_ddg_q1c"><br>                                    <li class="li">在其接收端口上接收视频流。</li><br><br>                                    <li class="li">对流数据执行以下预处理。当模型需要浮点值作为输入时，会执行此预处理。<ol class="ol" type="a" id="mono-depth-from-video__ol_m5z_cpr_lbc"><br>                                            <li class="li">颜色转换</li><br><br>                                            <li class="li">缩放（放大或缩小）</li><br><br>                                            <li class="li">归一化</li><br><br>                                        </ol><br></li><br><br>                                    <li class="li">将预处理的视频流转换为其发送端口上的张量数据流。</li><br><br>                                </ol><br><br>张量数据流用于 pipeline 后期的推理。 |
| 推理插件：[qtimlsnpe](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtimlsnpe.html)、[qtimltflite](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtimltflite.html) 和 [qtimlqnn](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtimlqnn.html) | 使用 Midasv2 模型实现单目深度估计。<ol class="ol" id="mono-depth-from-video__ol_pyh_4jh_4dc"><br>                                    <li class="li">推理 runtime 在其接收端口上接收张量数据。</li><br><br>                                    <li class="li">Runtime 执行推理。</li><br><br>                                    <li class="li">生成一个张量数据流，并在其发送端口上显示推理结果。</li><br><br>                                </ol><br>用于处理推理的后处理插件来自 Midasv2 模型。 |
| [qtimlvsegmentation](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtimlvsegmentation.html) | 将接收端口上收到的推理张量转换为视频格式，由多媒体插件进行后续处理。 |
| [qtivtransform](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtivtransform.html) | 在其发送端口转换缓存。这些缓存用于在 Waylandsink 上执行合成。 |
| [Waylandsink](https://docs.qualcomm.com/doc/80-70018-50SC/topic/waylandsink.html) | <ol class="ol" id="mono-depth-from-video__ol_kjr_fvr_lbc"><br>                                    <li class="li">Waylandsink 将其接收端口上接收的视频流提交给 Weston。</li><br><br>                                    <li class="li">Weston 在本地显示器上渲染视频流。</li><br><br>                                </ol> |

## Config JSON 字段说明

Table : 字段说明 – config_monodepth.json 文件

| 字段 | 值/描述 |
| :--- | :--- |
| **ml-framework** | 启用并使用以下模型之一：<ul class="ul" id="mono-depth-from-video__ul_prm_gck_32c"><br>                                    <li class="li"><code class="ph codeph">snpe</code>：Qualcomm Neural Processing SDK</li><br><br>                                    <li class="li"><code class="ph codeph">tflite</code>：LiteRT</li><br><br>                                    <li class="li"><code class="ph codeph">qnn</code>：Qualcomm AI Engine direct</li><br><br>                                </ul> |
| **runtime** | 启用并使用以下 runtime 之一：<ul class="ul" id="mono-depth-from-video__ul_mry_nck_32c"><br>                                    <li class="li"><code class="ph codeph">cpu</code></li><br><br>                                    <li class="li"><code class="ph codeph">gpu</code></li><br><br>                                    <li class="li"><code class="ph codeph">dsp</code></li><br><br>                                </ul> |
| **Input source** | 启用并使用以下输入源之一：<ul class="ul" id="mono-depth-from-video__ul_xym_rck_32c"><br>                                    <li class="li"><code class="ph codeph">camera</code>：主 (0) 或辅助 (1)。</li><br><br>                                    <li class="li"><code class="ph codeph">file-path</code>：视频文件的目录路径。</li><br><br>                                    <li class="li"><code class="ph codeph">rtsp-ip-port</code>：RTSP 流的地址：<u class="ph u"><var class="keyword varname">rtsp://&lt;ip&gt;:&lt;port&gt;/&lt;stream&gt;</var></u></li><br><br>                                </ul> |

**Parent Topic:** [运行 AI/ML 示例应用程序](https://docs.qualcomm.com/doc/80-70018-50SC/topic/ai-ml-sample-applications.html)

**Related Resources**  

- [图像分割](https://docs.qualcomm.com/doc/80-70018-50SC/topic/gst-ai-segmentation.html)

Last Published: Nov 12, 2025

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