# 使用 OpenCV 进行摄像头流传输

Source: [https://docs.qualcomm.com/doc/80-70018-50SC/topic/gst-camera-opencv-resize-py.html](https://docs.qualcomm.com/doc/80-70018-50SC/topic/gst-camera-opencv-resize-py.html)

**gst-camera-opencv-resize.py** 应用程序使用 OpenCV API 从实时摄像头流中采集摄像头帧，然后应用颜色转换或调整帧大小。调整后的输出将显示在屏幕上。

Figure : gst-camera-opencv-resize.py pipeline
            
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)

## 运行应用程序

1. 确保您已完成[前提条件](https://docs.qualcomm.com/doc/80-70018-50SC/topic/prerequisites-for-python-sample-applications.html)。
2. 使用实时摄像头输入运行应用程序。

        gst-camera-opencv-resize.py --inwidth 1280 --inheight 720 --outwidth 640 --outheight 480Copy to clipboard

    流将显示在屏幕上。

## 预期输出

Figure : gst-camera-opencv-resize.py 的预期输出
                
                ![](data:image/jpeg;base64,UklGRqAXAABXRUJQVlA4IJQXAACwtgCdASpwAvABPwGAuFYrKDIto3PI+kAgCWdtftu6UmA/jeOkmDn1qdcD9hM1z/g/P38iXat4fjX63m04ncf+RIYDi3S2qLv/Ph/gH+i0tNgAXy7QAi5T7kfAZxcNzbUh6MrlpOxCfVpAv5Eml89C5v6h4TpNFjMJtAG6at9fIR4/sDRVm127Co+HGuG9jvDlAMQQ+X/29Oa1lqoFSGuuXPULMDL8T/TSdroLyApdpDAHOHGnYXbj0BX9aFwKDv4Yt7nZ/vyOWXBsClbkP5Wm7Nc6xUDTI5SozoW8s/zRaexiLk8r67PjLqlP4FZroJbA4iMBP4M5RyKDak3VPCg75dKIw/AmUZjk0lD0RpAPwYKpg38Njj8DsHEzoWssjft5LPrDbGcO2TCQ7U35ALGVx2gqRVrBDZlhQCJTc+4p6i4z5suEPL/1CnDAcBAGHuOf2ZrS3Qkk8C1n3JXltvbFTY8PCXlRrTtZtnh3OCUyZPJOuWfaCHztWFp0HJ/DdzXujqBck/5VBFgdk7Vld3T65tvgFchwRaCfNTc+iOEw56u3WlUe3mSXlE5JjjbNbvDOzaGY1O4kRk7KX0vJ6oyolk8/pQChXq9i1b9iwQM4/qsjF81q8YYMOhE7i6SDjFv9+gOUDLF7oOgdPyuDENRS3ejRI1aFRr7RKozBXnYfF+b2DwIMnWWb470+217gxssqA9M60QfuafR4mx7Kto/XxDnftxz8KBcvSkDI0lOjR2/9EyAun0hGp158XJXBzs7RVgYBee+ka1g7LaXIa1mzpHjWCDws77oV7LxD6pKCXQlXojnG9tFTiODwbuYkzYS4Th3Q7YLqZl3btIVIElsmfUYSVnTeRcs1iodbDx1vIaNWLEP0UOts0/cbJPQ92JlAHO12ThQyikWConrldqDXUPbPP7Fhi1u+YHSVQbZ6fPLYvpn6r7Jd+w1YxRn2kGKowCp5rEAHm1Kl6K94fdvWatHADFDAsRSvClTfbtzT3YDpJx/28GvalgCM7Mb0aWaiyNPXZp0ytK9mXkNLu8bl7M1eUZiJguM211E/m2pFcygyBueUQgoExITzxzwGM4loTvB7C8kaLvgs7lw/0n5ZSRYqmfRNPAB4eFlc9ipEJ4Q0Fzjj9gvlJmTM4SNsezXSRJV9eAVQtAPXWWmSpQjX3/6WhqRAOgVHfqiLoX7V/L/AuusEUwryF5BwgeTR2NtsA5p+5Wo3KHH6iT3vFwKoad3m4janVD/OV0mxu+L7okZR71hZPzHOeLlGX+txl4zn1dA9PBsVDQF202xOP/DHpz2sQ0Nh3l1SilL31GOOvnrzqzOudc7utLI5xWaaWhIBCBCqvaGz6AEvu3Pueo5Nymx0NarWJ9qzAFna6wdHRMXS3XJOdc6Q6NtRTsWmh9MA3voJ8u94DVhVGx8l46XxD3TKxtvnaYdCtetETdygY5PZA37oGFDbbKPRvw47DiCASiBlglkJdQo0Li/ZnNEI0g5ItYB4Oi7UgAiyEzjaF6W9vnerrqqk8NlWIs6gVJzlz9hFYiMfgaWUqVo8A2yaGFRSjNxwwrsB3Pe5FAIUSDh6S4RiOwfLh4ZLvC6dFBMidyurtLnbQkcuMHW2P8M0jf5rNBKxx5wBjzeAyxlzD+KD6SQdLfcj+SBnOzfbf9pa/L+9iXwv/OfJV2JqxQrB5rO9pYKMMJv7W+pLaCz7mVGO6rwcuAbMM5tqKrKHmEbBPm4qsmIAqXg0lrv6vG0PqLC7nfqOIVYbBy07SEbJaKHwbw2VgOq8/HcK6fDeE8EDKNtyrCLCLqALCz5J5g4fxF2b1kZVQfytgORzd6FkJU8k6vOb0x4//LRHjswWsDBsM1M1GK9NsX1X/JMZD/RhzPyU2a4XLl1ROWCNUUPVxFVr3OlNrcuHlqbQjLi7wlt2JGM/zOHNfzxZ7z3FUbBq7mDV0QXs4f6DNnK+/AAA/tL+P5uVOs6zqQBMyAO7SjNghtAIJSDxD9xsGcxSPdXrtMl3vd6trMqPXfIVE2k+GfJv/Hju3+atfy2opr/XYoGzN+ZZ4UWmi2pR5VahVt745KxOJnNLapxAq9ASDzEUGyuGqVYBUlZfytDtG7mrUWwvarfL2QH6JsdcVSaM161Qsnu9s6bK27KVVEh0xxpSUoAwtEcoQZPOfE/0qi6ubl8UMt50ui/bT8hkdc96twTRjmEs64DR2Pj3NO4pqP7hgacRwK6FzxhCt84MXBvTC4q5H5SMrEK16vrM4P4+VylCywIQpYB3Q7m0dyP1Ym75dGLA6ogf59xJBoTFVR8tlDAumJkQ5cIc/grFMLJtEqgXa9Q6fD2K3Yy8VR+Sx4ttXSypRfKmxtIEirOR0XC0tiP76I/voj++h1u2aVTKmWIZslb41h5ts2yU3f17M05EquysSmysTIQZYucCXRZGDUPUSioBE2Vr1blGDHMCpwS39Dt6JWZMv80r/Hc5ZL/xiX+aRhBU+n5wTh26n/ErLzKlb4ulNiW0CIUaRRIyCuASZiPJniPHkjTHNzgJ3PpQx7JV5/Fj6jvpCpIfGAjogBITihMnF3LhjBhpaUUH22yyCEgpQZtgdpkrqPpThvR63Cz+TvNGe+D6TRtCuJ2JeF5A9ykLjwJfWfWPqdeRMJzbqXvhsenOn5Q5biCi8E6442G40akTcw6AqpBUXVFU7I7vMnqyRjnK6rOKJEAcmQeeJfnw0HXbtuIiHndIBOAIkr0rzZ1ntvazdKwpyHQ/Y+hamHXDJ4XEG4CpZaCNy4gKC5x3eTxqOU3Y26Y94yywFrSAlz+Ggs/HZdjd2t3mNXk0EQ5BLgva/PPF1pzLy3x7iNH4UKtQNH1bbpGY1rDoqz65x30yk5eu96q4RheF1iGx9RwbOkUTlJ2P805DJ52pAKWWbMxZVs/n+yZHJMCpjFzElUTbHCsK81Ow4t6QQLpC6j9V0lpreXkOiRwWH6RsGpglpFCwD0s37VCK65j+VdkkYWfcO93XcImfRXUYv5fIN3BMmNavENLIBz+KcAAAkTqBYDNfs9PIowWpDDEMlWXojS1wUoKqaF7w7App+1ywySHmOPtbbhUUOLWP05EURPc/Y8BNSQgWdmXDDy7U+ES9Dlbvh96zP54FzNJhC1nFocYYOFHxX1Hdn93tYseEQwVmstSzGtvpsscfzW7pZgDGTBuKg3wbcGZWmtqYkPgnBRxFhtx+RYDMUgqfKBj4+PbU4PJQPjENrYcLbxPOj3MoJP+GNgElZ9c1z9PNo01JMpTLqSWoNzYYT2kBGZsaNqEQr2RoyPcScBH2MNokTeiPxgPTQNKJDWLxxSR3PRNP8qle/f5zqD1PhAmX0jeGZZ/yki7PLG//aIOXXMb+YG8KuBapCCpZOCu1GkxV+0zCtAm/Q3vGdbaL6HbCpuAYSM8BSVuKXVPCOnZL3X+pjBI98AHw5Ts6OZOIKjhrQCGg84KItNgEpLYi3t47+oaARfQ914xFpR64nWvaADtlNLRa5XxuxtYzuR1/0Fhi+yCXlbWGYVvuMWpm1cWRJ2Bgw5ruwbAQDMZKzF65TlZrDjF1ErMLbjIYglLwFAEUoMUIGMTwBH8lQljYjarvQfB67VDtx0eBmHtJMbqGDaEEv776bm2sfX8o9LWCtDsRToG4OBqWA5NFzvlbyrUyl/1wNWoOPBMzKMphoOwiORs2HuIgLva5K0Q0BkvtOPuVT2r8pabUQBOYyvVRSVhJ+/E5kcY5XpG8TJ5zL3qZIzFslzInYsvRB5AdmyiCQ2sVXcCrRL0xY0e6x3+G1gFCm0lAnL/+D9Ok2otf7VgOjHDjnFqP0tE3Aifhjaaf8Fvya/lC7lLLZctqs/hipKGvpzc2BHiSBbCu2q70U6oudshtvz7sQezGqlNfdZ81KRfLRdjg4hNKXdCykYr2ZbFj/wcMQGPyBs4E5Pi/yeu6b/MeIUjbNBjtSczW27pL9k1JdCITBczmzvWtBDE3oIDOYiGF7HQ5xuBAW4fTqo/w/n3zw/9Mky/kqWndgQP36gzXPlI1THmaJ/pyzcwPOz3QDNRzFl6UR5kWsxMKJ4pvVHShdcZrOoJX2zDG/1y2cdsVMWYgpoKeGEg8XsDi3m7HRqDCmroFmVA+H6ZoJXyomyzwNTDlQFVxh+Sys+CehAgopOEdg65NRRCs6AtlsoUvdGg4WPW5U01o4jKLIheahhcvLQTIBYakPftUsfqpzvBV6nM0hgLMlDxKi+vNRgMak06iGHJca9HZWtCURKfA5P5eKxIV4iSXBGBkAuJ0ELbOmgiTO6AwxFNBdpkQHZIhmo/xI22VP3+idRJVJbcU3BijcPEJXoOPScAy+m2E1KFDYMdx2KC2UEwfUZ0OIRxtIGrPc9ubfqAs2ST5z6Wl/g8CUTDLlo9NGI45LccWeb1V+ZUqEnkHdy6KIGawlrelqzQ3FmD7W4pvFi+1f10S6itD7ExqzSP6jmaZCZq+zspU/nmc9FoW5pBWKvQgaCSvpz1spo/9nbeOF6l7hwda2PwnpcwOgvJ+UlwrBeh7WqmOatZ4XrxHCoU/jvIhkWHCucYPAdJ3qjtx/fy/5i+vJSM4f0r7JBcj6z2K/ZlLvzHdXn6TWPG1lq5viUYGsxLcBM5QwVohjd5RId7cgcwRNLS+vgpJ3jmMFLTCqq50sMoUDUNSf1E2jmof9pSeCAkyYZfcZF49BeJcvi0sKjPNd1Iz1bAY5Plt1vFSphMf27qwuxnSdbFMPoAPhMrQv7CI3+J1jUhmT1kgMNemTdRqNslNeZUxkAzDeyT+blzc4vU7lCJOMGxBalF9bO/Jn9rQIG7cFp1cDXuWgMG6uOwwzwG/qL4y5A9mavyzx6Ix97x3nQnAN9/3CkbnzBhK9vKv4rGRxqT0GfydhYAuySirHKfkodMiWGBlw1JbeKAT9t227U6FcPn+DTlmIqGw8siNrbPKmQdXpqXzGV+jSq3tnECcpgvV883lzTdT4zhYX4Vi5dioSRKl/ZqJuj9JOmdMqmbS+S3G/3xuNsmQxEa8iiHCIp37rFYfMoqPO5MgyTu5AjcCmsUVtbg7Bnl3mRLMJYsQrihMCzoyHsA4LyJ75DVFCRkmHA01iKPZ25dGsqtDJoMroCq6WFaj39z/9FzsWUDUrFRGNw7s1LLDE3NFzo0U5l0EPChjQgHw+XyS0Ie8rrJAJCaWnWyoqHUMoIZj8hgDFgQqc00uoIUUTnn3B4p70M2dro+SewObgcJqq/pco4vV9DuIjDFfvB6Z7IOc6uDh08qpeG52xWQbInWUjegAAC+pCzpE3Q0w4TLB6JiTPFYIiYvJm1H2LcOFeLcdtUDe18CMh+hIyirGoyUyCevn3dNh7/vaB+zBnf0VIzJl2FQpiHlvPQsGrKzjF2GImeAW48QNmKXfx7xkNdHtd6oTNaqo5r7sBYIgwjwCCp/I35XuLUr2BXWsL+pwfO3ZkhMIspnBpRNQ0ZMbcn/Bp7anupub4MX9XcyTIjeeC57tNgUNPZaXliEyvjxgiPrDQkJVs80+z3IuskbKX18NF01nXCRSw8NDTSLAD0X8JxP4rjSMGjS6wkEqtl1WlfPloGdXXK++u6RO4prBgOkEJklR6nJ5XZXxYxqXGAl7faskomcooYebYxletPPS4V4RcTvN4AQHL3tYPUdKUfLoS+Y+22N43C5zdZEpfhpsvDc8MngDcMrTG0BVPP52PNTw3EUtYp3QaCq+++qu5wnwROjaJH5etFYgbV8zCmxGheNZAoMdXMR72YZJZJMqQb/7xwwnTDYrcXAiRw44DoiDum6LWhhJL9a8YHJtVIpa718qcfBKeG2SOc5NTwk21i+eLDCr1wjrcwzdBvvbJVakMIuZQMNw84Hfa7YnCy+ejrjNYEB/mph4GfZOBerNJlU5fPXX/RM26LOTcmO6LBo5rIHF74EeuOyNPKGCKSMFqUdmQISA0poWnHEd8K6JWcsJy84wZTZjSIqw7DwRhOzoPO1dju1ePbGD3J16ijscfCCHxZg0HUoBuC/K9akaa1Vhn1mCPR4tMONZW8yiAeU5tm3s3uuQXekloi//P9gFuM4Xe37DBffixH1SkRxrqGGwljXLP3iDR5fuT5DqITIgT/NP4+jBvtUjEWw8GMTwrAF5R1ebiJywbhOoOOcy45QUA90DoHd7/w9tB+zwxsgte4JaQ5DsJLWpPMpPFOJAgRI3ZIJns+hU+lylWpfFL4V2pI9ChZ4LPIaTY8GM+QNP0Vx52PiscHME3OprvLi4z2zM63tZ+CIlVTjG5ZHJ7WzLb3sQ+CdUHCWhlRDxO7H6aAX5qdftqC/IOow2ucltKSAd7kQGvaOKcp13h/ikechc7fj0R+8pgua/oknmI153L3cK9vyojd3fetpd3+shqV4sm8tc+2i0djsCdgRxSfLp0L64xTHPhoLTEcWD3qyq+T+C6TX3SG62AbUp4F090liuWVe+RaLQS7ivs4sPVZjz7lumKYPhWXnhwQ8ah6FjxV9PDg/D2zRytyn+BIb7fkw8gLRwsJNxV9CbdkNo4INABE0sZ8/3dEoHGCmGkLYqoJl6FFjTCVrQtWAvhlf6fzRKSYrrDhVUYeyNDo8LbkV3Cz1RXgGtaQ+8I4SpJVpHZFA8Db0Ol2bEQOpuEcIGep7NYQis1yJamGKbMoy13MnBtLJ2HzzawkYxet4A8jAGWO3zFQ+aipVkVGXSNPaCnsfmdmayWxe83sUJTS7g466rwkYraxmMz9Tn0SfWfil6F3tov/q2pmF7dxBsljl937qodfmrb7hCWUPa+19eqLsl0+DqGBEBs3CrI4fqEj572nApquaiUaD1E3HFVV/umQ1gC4/GEPGJhD34V8PRWCSJdbNEtE58sA+SjxbcLdSpbgmaaAHItmLMJiQ8zE7gH4EEWszfdPFAeM6iSdMLChlX5LQDaCzN5rAyRj/WUzkx+QAg6p3zW+hi7Q7FqJ9m4pG+20W9eFdcfnaaGnvkHn0QMzoivITgXSyXBY4wmJN9MqjEbxnig6L+Q04L0SQLvewtplRZ7rd1JUysjaox+ANFLGz07+39x0qNqHyaDmcqc3E6UMoqTKzoKVKz5FtPDVrqSjnMXoY4hRc25lusbcK8cPVfzJqM7i82K+uVr+51qYerWFjuMHZnHDdl2PqpXnXZJukWppomtr5vxZuC/JVgTI9BchMYgRoFBug6BdCxVHqTSuJA3/ebRvbhMei5Ju2oo648wQ8exU03ZPtHHLBYhJgSRquBdxw/FFlosW13IVKlPcoR8LVC25kXnfidrttRnwhZ9M4i0SRIlrREXSl4Yg8WvRurqBrp9XoM1iOgc6uy3n1ug4ruuDDBuGni0PuZCPIPujJt5bU949QVkn0pbJ8NdhseGE4HLmhrFt4ARKbVtSsQu3gcx+2Zg/AZtX6RYNu9ctV8PmedpFTdPLLEz2K4dcXa49kpI8WKArNwnwPNIs5L3KVOBALPGhfynMmpHnEDwIUWTqDhM6jqVMiDh3j21j/DwYzc/N/VkTjr06YD13F98C6YlDHO08EnCbvZbP3sB/uwlxBHJHcAn4NWR/ExNuU69lbiArdbF/KkFDgdVEKMhrskwtXAbCs6P+qQ/GJ8J4a4xZzkuCQaSMb90BLBOvN7z4g0XlHbt6BE/5okk11ybSnL9lzYX+6Pr6ZGsp0p9Pp/g1SgyfW1FgpoFQwlqQtsK1cviFOykbnqrGlZTJ2ZL1YYWz+7KWFnUP7PSkQETyhRM8ULZp/Mtm9DE83DtGwfdFClKY3KiBKAXm4V6qYtCL9YpjtSa7W2pGNc8ekyBrOKwFSGRtPoqGg+LT5e4v0m6tm0/eTi6ky4imGmqQ5QrIGSALfkNKN6MLu72hL0C5U55tY6qweDot64DiqZmVAuT7GI9KyftOnpJfGW0vK07K4v3rQXN9P1iDUlHi8mTVnmNx4BghiK3Mxyx9uI6+wMqs/VrU65SpgEujwg/5Zr1H+vGYt+a7ArZvS9B1Z5ov+ceuGK2r6YY2zfNckcCZnQX//+o51YxLZZ3wca1WMAAAA=)

## Pipeline 流

下表列出了用于使用 OpenCV pipeline 运行摄像头流传输所用的插件：| 插件 | 说明 |
| --- | --- |
| [qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtiqmmfsrc.html) | 采集视频流并将其送到 capsfilter 中。 |
| capsfilter | 对原始视频数据强制实施约束。 |
| queue | 将视频数据放入队列，直至达到缓存限制。 |
| [qtivtransform](https://docs.qualcomm.com/doc/80-70018-50SC/topic/qtivtransform.html) | 转换视频数据。 <br>转换后，再次应用 capsfilter。 |
| [Waylandsink](https://docs.qualcomm.com/doc/80-70018-50SC/topic/waylandsink.html) | 在 Wayland 显示器上显示视频流。 |

**Parent Topic:** [Python 应用程序](https://docs.qualcomm.com/doc/80-70018-50SC/topic/python-sample-applications.html)

**Related Resources**  

- [单路摄像头流传输](https://docs.qualcomm.com/doc/80-70018-50SC/topic/gst-camera-single-stream-example.html)

Last Published: Nov 12, 2025

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