[gareth-morgan-nv]

Summary

The Orin-to-PC video transport, as plain C++ with no CUDA and no LiveKit. First of the video-stage PRs; each targets the one before it.

• video_stage/wire: the AVS1 record codec (H.264 access units with frame number, stamps and source clock), the four-timestamp clock exchange, H.264 access-unit and SPS helpers, and the correlator that matches an encoded unit to its capture by stamp.
• video_stage/sender: the Orin-side sender of AVS1 records over a direct TCP link. It reconnects by itself, starts at a keyframe, drops to the next keyframe rather than block, and answers keyframe requests and clock exchanges.
• Built by BUILD_VIDEO_STAGE=ON.

Validation

• Built with no CUDA language and no LiveKit SDK. video_stage_wire_tests (51 cases) and video_stage_sender_tests (17 cases) pass; they were run on the head of the next PR, which contains this one unchanged.
• Not run: anything on an Orin.

Stacked on the Sensing timing PR (#1437); the next PR is the PC relay.

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[gareth-morgan-nv]

Closing as superseded: the camera path is now the camera_streamer architecture (SIPL/Argus sender, AVS1 over TCP, PC receiver and LiveKit bridge; see #1473-#1479). Not merged; the branch and commits are kept.

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[gareth-morgan-nv]

This PR is superseded by the camera_streamer PRs:

• camera_streamer: add SIPL camera support to the sender #1473 camera_streamer: add SIPL camera support to the sender
• camera_streamer: map SIPL sensor timestamps to sender CLOCK_MONOTONIC and add an AVS1 timing record #1474 camera_streamer: map SIPL sensor timestamps to sender CLOCK_MONOTONIC and add an AVS1 timing record
• camera_streamer: add a UDP clock exchange responder to the sender #1475 camera_streamer: add a UDP clock exchange responder to the sender
• examples/camera_streamer: add a camera-free mock sender and publish the first decoded picture #1476 examples/camera_streamer: add a camera-free mock sender and publish the first decoded picture
• camera_streamer: add cross_build.sh and deploy_sender.py development tools #1477 camera_streamer: add cross_build.sh and deploy_sender.py development tools
• examples/camera_livekit_bridge: publish receiver frames to LiveKit #1478 examples/camera_livekit_bridge: publish receiver frames to LiveKit
• examples/camera_streamer: carry a qualified sensor capture time to LiveKit #1479 examples/camera_streamer: carry a qualified sensor capture time to LiveKit

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