Contributing source (CSRC) of the current audio frame.
This ID is used to identify which participant in the conference generated the frame. Integrators can cross reference this value with values pushed from Meet servers to the client viaMediaEntriesToClientresource updates.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-04-09 UTC."],[],[],null,["# meet::VideoFrame Struct Reference\n\nmeet::VideoFrame\n================\n\n| **Developer Preview:** Available as part of the [Google Workspace Developer Preview Program](https://developers.google.com/workspace/preview), which grants early access to certain features. \n|\n| **To use the Meet Media API to access real-time media from a conference, the Google Cloud project, OAuth principal, and all participants in the conference must be enrolled in the Developer Preview Program.**\n\nSummary\n-------\n\n| ### Public attributes ||\n|------------------------------------------------------------------------------------------|-------------------------------------------------------------------|\n| [contributing_source](#structmeet_1_1_video_frame_1a205dbdc3b1d0d6ffd3ea8b929b0b66df) | `uint32_t` Contributing source (CSRC) of the current audio frame. |\n| [frame](#structmeet_1_1_video_frame_1a699d75a6bd6faa0176a0b706225f718e) | `const webrtc::VideoFrame &` |\n| [synchronization_source](#structmeet_1_1_video_frame_1afb3fb31eebc1cb4657807d086ad12e56) | `uint32_t` Synchronization source (SSRC) of the video frame. |\n\nPublic attributes\n-----------------\n\n### contributing_source\n\n```c++\nuint32_t meet::VideoFrame::contributing_source\n``` \nContributing source (CSRC) of the current audio frame.\n\nThis ID is used to identify which participant in the conference generated the frame. Integrators can cross reference this value with values pushed from Meet servers to the client via `MediaEntriesToClient` resource updates.\n\n\n**See also:**\n[WebRTC Contributing Source](https://www.w3.org/TR/webrtc/#dom-rtcrtpcontributingsource) \n\n### frame\n\n```c++\nconst webrtc::VideoFrame & meet::VideoFrame::frame\n``` \n\n### synchronization_source\n\n```c++\nuint32_t meet::VideoFrame::synchronization_source\n``` \nSynchronization source (SSRC) of the video frame.\n\nThis ID identifies which media stream the video frame originated from. The ssrc is for debugging purposes only.\n\n\n**See also:**\n[WebRTC Synchronization Source](https://www.w3.org/TR/webrtc/#dom-rtcrtpsynchronizationsource)"]]
