Standard input/output support 4: C++ SDK stdout impl/examples/docs by teh-cmc · Pull Request #4514 · rerun-io/rerun

teh-cmc · 2023-12-13T15:22:08Z

Allow the C++ SDK to stream RRD data to stdout.

Checks:

just py-build && just cpp-build-examples && echo 'hello from stdin!' | ./build/debug/examples/cpp/stdio/example_stdio | rerun -

Part of a small PR series to add stdio streaming support to our Viewer and SDKs:

Checklist

I have read and agree to Contributor Guide and the Code of Conduct
I've included a screenshot or gif (if applicable)
I have tested the web demo (if applicable):
- Full build: app.rerun.io
- Partial build: app.rerun.io - Useful for quick testing when changes do not affect examples in any way
The PR title and labels are set such as to maximize their usefulness for the next release's CHANGELOG

teh-cmc · 2023-12-14T06:52:40Z

docs/content/reference/sdk-operating-modes.md


+#### C++
+
+Use [`RecordingStream::stdout`](https://ref.rerun.io/docs/cpp/stable/classrerun_1_1RecordingStream.html#SOMEHASH?speculative-link).


I'm gonna have a hard time coming up with the exact right hash speculatively...

examples/cpp/stdio/main.cpp

teh-cmc · 2023-12-14T07:16:00Z

Huuhh... any idea what Windows is complaining about @Wumpf ? :|

https://github.com/rerun-io/rerun/actions/runs/7205566621/job/19628799638?pr=4514

Wumpf · 2023-12-14T08:01:22Z

@teh-cmc stdout is a forbidden word since there's a preprocessor macro with that name https://learn.microsoft.com/en-us/cpp/c-runtime-library/stdin-stdout-stderr?view=msvc-170

teh-cmc · 2023-12-14T08:09:52Z

@teh-cmc stdout is a forbidden word since there's a preprocessor macro with that name https://learn.microsoft.com/en-us/cpp/c-runtime-library/stdin-stdout-stderr?view=msvc-170

What in the hell... -_- Thanks

Wumpf

example doesn't build yet!

crates/rerun_c/src/rerun.h

examples/cpp/stdio/CMakeLists.txt

rerun_cpp/src/rerun/recording_stream.hpp

examples/cpp/stdio/README.md

Wumpf

👍

Add a `stdin` source to the viewer so it can stream data in from standard input. We make `stdin` an explicit input (`rerun -`) like in the good old days, to avoid shady behavior in non-TTY and other esoteric environment (crazy WSL setups, etc). Trust me, it gets quite insane... Checks: - [x] `rerun` works - [x] `rerun -` blocks - [x] `rerun - < data.rrd` works - [x] `cat data.rrd | rerun -` works - [x] `rerun < data.rrd` works but does nothing - [x] `cat data.rrd | rerun` works but does nothing - [x] no-TTY & other esoteric environments don't go completely off the rails --- Part of a small PR series to add stdio streaming support to our Viewer and SDKs: - #4511 - #4512 - #4513 - #4514

…4512) Allow the Rust SDK to stream RRD data to stdout. Checks: - [x] `just py-build && echo 'hello from stdin!' | cargo run -p stdio | rerun -` --- Part of a small PR series to add stdio streaming support to our Viewer and SDKs: - #4511 - #4512 - #4513 - #4514

…#4513) Allow the Python SDK to stream RRD data to stdout. Checks: - [x] `just py-build && echo 'hello from stdin!' | python examples/python/stdio/main.py | rerun -` --- Part of a small PR series to add stdio streaming support to our Viewer and SDKs: - #4511 - #4512 - #4513 - #4514

…romise

@dataphract

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(thanks [@avery-radmacher](https://github.com/avery-radmacher)!) * Ignore synthetic key presses [#4514](emilk/egui#4514) (thanks [@hut](https://github.com/hut)!) #### egui * Improve the UI for changing the egui theme [#4257](emilk/egui#4257) * Change the resize cursor when you reach the resize limit [#4275](emilk/egui#4275) * Make `TextEdit` an atomic widget [#4276](emilk/egui#4276) * Overload operators for `Rect + Margin`, `Rect - Margin` etc [#4277](emilk/egui#4277) * Implement blinking text cursor in `TextEdit` [#4279](emilk/egui#4279) * Rename `fn scroll2` to `fn scroll` [#4282](emilk/egui#4282) * Change `Frame::multiply_with_opacity` to multiply in gamma space [#4283](emilk/egui#4283) * Support order on windows [#4301](emilk/egui#4301) (thanks [@alexparlett](https://github.com/alexparlett)!) * Fix wrong replacement function in deprecation notice of `drag_released*` [#4314](emilk/egui#4314) (thanks 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expressions [#4521](emilk/egui#4521) (thanks [@YgorSouza](https://github.com/YgorSouza)!) * Remove `Event::Scroll` and handle it in egui [#4524](emilk/egui#4524) * Remove scroll latency for smooth trackpads [#4526](emilk/egui#4526) * Smooth out zooming with discreet scroll wheel [#4530](emilk/egui#4530) * Add `Options::line_scroll_speed` and `scroll_zoom_speed` [#4532](emilk/egui#4532) * Don't panic when replacement glyph is not found [#4542](emilk/egui#4542) (thanks [@RyanBluth](https://github.com/RyanBluth)!) * Make `TextEdit::return_key` optional [#4543](emilk/egui#4543) (thanks [@doonv](https://github.com/doonv)!) * Add `TextEdit::hint_text_font` [#4517](emilk/egui#4517) (thanks [@zaaarf](https://github.com/zaaarf)!) * Add `Options::reduce_texture_memory` to free up RAM [#4431](emilk/egui#4431) (thanks [@varphone](https://github.com/varphone)!) * Fix `Ui::scroll_with_delta` only scrolling if the 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`epaint::util::OrderedFloat`) [#4389](emilk/egui#4389) * Added ability to define colors at UV coordinates along a path [#4353](emilk/egui#4353) (thanks [@murl-digital](https://github.com/murl-digital)!) * Add a `Display` impl for `Vec2`, `Pos2`, and `Rect` [#4428](emilk/egui#4428) (thanks [@tgross35](https://github.com/tgross35)!) * Remove `extra_asserts` and `extra_debug_asserts` feature flags [#4478](emilk/egui#4478) * Make `epaint::mutex::RwLock` allow `?Sized` types [#4485](emilk/egui#4485) (thanks [@crumblingstatue](https://github.com/crumblingstatue)!) * Update ahash 0.8.6 -> 0.8.11 [#4507](emilk/egui#4507) (thanks [@hellodword](https://github.com/hellodword)!) * Don't panic when replacement glyph is not found [#4542](emilk/egui#4542) (thanks [@RyanBluth](https://github.com/RyanBluth)!) --------- Co-authored-by: Antoine Beyeler <antoine@rerun.io> Co-authored-by: Andreas Reich <r_andreas2@web.de>

teh-cmc added 🧑‍💻 dev experience developer experience (excluding CI) do-not-merge Do not merge this PR sdk-cpp C/C++ API specific include in changelog labels Dec 13, 2023

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Standard input/output support 1: stream RRD data from stdin #4511

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Standard input/output support 2: Rust SDK stdout impl/examples/docs #4512

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Standard input/output support 3: Python SDK stdout impl/examples/docs #4513

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add C support for RecordingStream::stdout

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add C++ support for RecordingStream::stdout

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add cpp example

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c++26 does not yet support the word 'stdout', but we'll get there i p…

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Pipe .rrd via stdin/stdout #4494

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Standard input/output support 4: C++ SDK stdout impl/examples/docs#4514

Standard input/output support 4: C++ SDK stdout impl/examples/docs#4514
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		#### C++

		Use [`RecordingStream::stdout`](https://ref.rerun.io/docs/cpp/stable/classrerun_1_1RecordingStream.html#SOMEHASH?speculative-link).

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