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ros_convert/rosbag2storagemcap_44.txt
Equivalent to this storage configuration:
ros_convert/rosbag2storagemcap1_161.txt
[ Report repository ](/contact/report- content?content_url=https%3A%2F%2Fgithub.com%2Fros- tooling%2Frosbag2_storage_mcap&report=ros-tooling+%28user%29)
ros_convert/rosbag2storagemcap_25.txt
This package provides a [ storage plugin ](https://github.com/ros2/rosbag2#storage-format-plugin-architecture) for rosbag2 which extends it with support for the [ MCAP ](https://mcap.dev) file format.
ros_convert/rosbag2storagemcap_287.txt
* [ github-ros2-rosbag2 ](/p/rosbag2_storage_mcap/github-ros2-rosbag2) * [ github-ros-tooling-rosbag2_storage_mcap ](/p/rosbag2_storage_mcap/github-ros-tooling-rosbag2_storage_mcap)
ros_convert/rosbag2storagemcap_79.txt
1\. Moved code responsible for adding schema and channel from write(msg) to create_topic(topic) method to reduce performance burden on first message write and in lieu to preparation for moving schema collection process to upper SequentialWriter layer.
ros_convert/rosbag2storagemcap_50.txt
#### ` zstd_fast `
ros_convert/rosbag2storagemcap1_77.txt
###
ros_convert/717_347.txt
Labels
ros_convert/717_123.txt
Copy link
ros_convert/rosbag2storagemcap_2.txt
[ ](https://lunrjs.com/guides/searching.html "Help to Search")
ros_convert/717_24.txt
Clear
ros_convert/rosbag2storagemcap1_16.txt
* [ GitHub Sponsors Fund open source developers ](/sponsors)
ros_convert/717_146.txt
Sorry, something went wrong.
ros_convert/rosbag2storagemcap1_105.txt
# ⚠️ Moved to [ ros2/rosbag2 ](https://github.com/ros2/rosbag2) ⚠️
ros_convert/717_44.txt
* [ Code ](/ros2/rosbag2) * [ Issues ](/ros2/rosbag2/issues) * [ Pull requests ](/ros2/rosbag2/pulls) * [ Actions ](/ros2/rosbag2/actions) * [ Projects ](/ros2/rosbag2/projects) * [ Security ](/ros2/rosbag2/security) * [ Insights ](/ros2/rosbag2/pulse)
ros_convert/rosbag2storagemcap_404.txt
* [1.0.0] Use Summary section for get_metadata() and seek(), implement remaining methods ( [ #17 ](https://github.com/wep21/rosbag2_storage_mcap/issues/17) ) * feat: add play impl ( [ #16 ](https://github.com/wep21/rosbag2_storage_mcap/issues/16) ) * chore: refine package.xml ( [ #15 ](https://github.com/wep21/...
ros_convert/717_114.txt
In my mind, the metadata format/version and storage format/version are **NOT** equivalent. In future, we may add in a parameter to the metadata to keep track of what storage format/version is in use by the bag, but I feel that the underlying storage format should be allowed to evolve/update as more and better technique...
ros_convert/rosbag2storagemcap_310.txt
1. Fixed some findings from Clang-Tidy 2. Some renames according to the ROS2 coding style 3. Add default initializations for member variables
ros_convert/717_118.txt
## 2\. Rewrite a bag within the same version, with different configuration
ros_convert/rosbag2storagemcap_159.txt
Equivalent to this storage configuration:
ros_convert/717_316.txt
Copy link
ros_convert/rosbag2storagemcap_46.txt
Using MCAPs written with ` fastwrite ` as a long-term storage format is not recommended. Some features will not work when reading MCAP files without a message index, such as reading messages from a subset of topics or seeking. When recording MCAPs on your robot with ` fastwrite ` , it is a good idea to post-process the...
ros_convert/717_339.txt
Contributor Author
ros_convert/rosbag2storagemcap_315.txt
## 0.3.0 (2022-09-09)
ros_convert/rosbag2storagemcap1_64.txt
Last commit date ---|---|---|--- ## Latest commit
ros_convert/rosbag2storagemcap_198.txt
[ API Docs ](http://docs.ros.org/en/iron/p/rosbag2_storage_mcap "View API documentation on docs.ros.org") [ Browse Code ](https://github.com/ros2/rosbag2/tree/iron/rosbag2_storage_mcap "View source code on repository")
ros_convert/rosbag2storagemcap_21.txt
#### Authors
ros_convert/717_62.txt
# ROS 2 Bag Converter #717
ros_convert/rosbag2storagemcap1_118.txt
Field | Type / Values | Description ---|---|--- noChunkCRC | bool | Disable CRC calculation for Chunks. Ignored if ` noChunking=true ` . noAttachmentCRC | bool | Disable CRC calculation for Attachments. enableDataCRC | bool | Enables CRC calculation for the entire Data section. Useful when ` noC...
ros_convert/deserializingmultipl_36.txt
But the data does not deserialize correctly except for the first type, I assume it is because it should receive an offset of some sort before deserialitazion starts.
ros_convert/rosbag2storagemcap_314.txt
* Contributors: James Smith, Michael Orlov
ros_convert/rosbag2storagemcap_3.txt
1. [ Home ](/) 2. [ Packages ](/packages) 3. rosbag2_storage_mcap
ros_convert/rosbag2storagemcap_52.txt
Equivalent to this storage configuration:
ros_convert/rosbag2storagemcap_10.txt
* [ github-ros2-rosbag2 ](/p/rosbag2_storage_mcap/github-ros2-rosbag2) * [ github-ros-tooling-rosbag2_storage_mcap ](/p/rosbag2_storage_mcap/github-ros-tooling-rosbag2_storage_mcap)
ros_convert/ros2_10.txt
Examples ​ * [ Python ](https://github.com/foxglove/mcap/tree/main/python/examples/ros2) \- [ reader ](https://github.com/foxglove/mcap/tree/main/python/examples/ros2/py_mcap_demo/py_mcap_demo/reader.py) and [ writer ](https://github.com/foxglove/mcap/tree/main/python/examples/ros2/py_mcap_demo/py_mcap_demo/write...
ros_convert/rosbag2storagemcap1_135.txt
#### ` zstd_small `
ros_convert/717_69.txt
Contributor
ros_convert/deserializingmultipl_11.txt
* [ ros2 ](/questions/scope:all/sort:activity-desc/tags:ros2/page:1/)
ros_convert/ros2_2.txt
Record with MCAP ​ ROS2 supports recording directly to MCAP using the [ rosbag2 MCAP storage plugin ](https://github.com/ros-tooling/rosbag2_storage_mcap) . To get started, install the plugin: $ sudo apt-get install ros-$ROS_DISTRO-rosbag2-storage-mcap Set your storage ID to ` mcap ` when rec...
ros_convert/717_187.txt
For example, the keys for the default SQLite storage would be what's here:
ros_convert/rosbag2storagemcap_294.txt
#### Additional Links
ros_convert/717_88.txt
Copy link
ros_convert/717_74.txt
While the spawning comment referred to the converter being used to upgrade bag formats, I feel that it should be possible to implement this generically enough that you could convert from any supported bag type to any other supported bag type. In theory, at any rate.
ros_convert/717_154.txt
> Let me propose a slightly different definition structure according to the > implementation:
ros_convert/rosbag2storagemcap_274.txt
### Recent questions tagged ` rosbag2_storage_mcap ` at **[ Robotics Stack Exchange ](https://robotics.stackexchange.com/) **
ros_convert/717_140.txt
* Create ` Reader(input_bag) ` * Create ` Writer(output_bag, output_configuration) ` * ` while reader.has_next(): writer.write(reader.next()) `
ros_convert/rosbag2storagemcap_417.txt
_No message files found._
ros_convert/rosbag2storagemcap_187.txt
Name | Repo | Deps | [ rosbag2_storage_default_plugins ](/p/rosbag2_storage_default_plugins/github-ros2-rosbag2#iron) | [ github- ros2-rosbag2 ](/r/rosbag2/github-ros2-rosbag2) | [ ](/p/rosbag2_storage_default_plugins/github-ros2-rosbag2#iron-deps) ---|---|--- ### Launch files
ros_convert/rosbag2storagemcap1_113.txt
## Usage
ros_convert/rosbag2storagemcap_241.txt
noChunking: true noSummaryCRC: true
ros_convert/rosbag2storagemcap_251.txt
Whenever a ROS 2 distribution reaches EOL, search for comments marked COMPATIBILITY - which may no longer be needed when no new releases will be made for that distro.
ros_convert/rosbag2storagemcap_313.txt
* rosbag2_storage_mcap: add storage preset profiles
ros_convert/rosbag2storagemcap_65.txt
## 0.15.7 (2023-07-18)
ros_convert/717_306.txt
Copy link
ros_convert/deserializingmultipl_26.txt
ros2 run turtlesim turtlesim_node ros2 run turtlesim turtle_teleop_key
ros_convert/rosbag2storagemcap_200.txt
### [ rosbag2_storage_mcap ](/p/rosbag2_storage_mcap) package from [ rosbag2 ](/r/rosbag2/github-ros2-rosbag2) repo
ros_convert/rosbag2storagemcap_31.txt
# Replace "rolling" with your ROS distro (`echo $ROS_DISTRO`) $ sudo apt install ros-rolling-rosbag2-storage-mcap
ros_convert/717_205.txt
###
ros_convert/rosbag2storagemcap1_8.txt
* Solutions
ros_convert/rosbag2storagemcap_148.txt
Use MCAP files with regular [ ` ros2 bag ` commands ](https://docs.ros.org/en/humble/Tutorials/Beginner-CLI-Tools/Recording-And- Playing-Back-Data/Recording-And-Playing-Back-Data.html) by adding the ` --storage mcap ` option (abbreviated as ` -s mcap ` ):
ros_convert/717_66.txt
## Comments
ros_convert/717_215.txt
Collaborator
ros_convert/rosbag2storagemcap1_112.txt
# Replace "humble" with your ROS distro (`echo $ROS_DISTRO`) $ sudo apt install ros-humble-rosbag2-storage-mcap
ros_convert/717_35.txt
Cancel Create saved search
ros_convert/rosbag2storagemcap_202.txt
* [ github-ros2-rosbag2 ](/p/rosbag2_storage_mcap/github-ros2-rosbag2) * [ github-ros-tooling-rosbag2_storage_mcap ](/p/rosbag2_storage_mcap/github-ros-tooling-rosbag2_storage_mcap)
ros_convert/717_227.txt
The issue I see with that approach, though, is that you would need each version to understand how to convert their data to/from every other version. Any time someone adds a new version, you would have to go through all the previous versions and create code to convert to/from that version. If we convert to/from the NIF,...
ros_convert/717_32.txt
Name
ros_convert/717_281.txt
Copy link
ros_convert/rosbag2storagemcap_281.txt
No version for distro **crystal** . Known supported distros are highlighted in the buttons above.
ros_convert/rosbag2storagemcap_385.txt
* Contributors: James Smith, Michael Orlov
ros_convert/rosbag2storagemcap_418.txt
### Services
ros_convert/rosbag2storagemcap_180.txt
_See[ ROS Wiki Tutorials ](http://wiki.ros.org/rosbag2_storage_mcap/Tutorials) for more details. _
ros_convert/717_136.txt
Side note: These two structures may not actually be currently split along the right boundaries. They also happen to contain some "runtime implementation details" (such as number of compression threads, message queue size), which we can ignore for the sake of this discussion. This side note suggests to me that we might ...
ros_convert/rosbag2storagemcap_371.txt
README
ros_convert/rosbag2storagemcap_235.txt
Configures the MCAP writer for the highest possible write throughput and lowest resource utilization. This preset does not calculate CRCs for integrity checking, and does not write a message index. This preset profile is useful for resource-constrained robots.
ros_convert/717_292.txt
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ros_convert/717_178.txt
That may be a big enough feature to have its own standalone ticket, like "Tanslate older CDR messages to newer message definitions". The "translate serialization format to generically introspectable key/value tree" could be implemented by specific serialization format plugins, and then a common bit of code could implem...
ros_convert/rosbag2storagemcap_164.txt
noChunking: true noSummaryCRC: true
ros_convert/717_78.txt
In order to be a _true_ bag converter, it must do the following:
ros_convert/717_248.txt
Copy link
ros_convert/rosbag2storagemcap_365.txt
#### Additional Links
ros_convert/rosbag2storagemcap1_141.txt
$ source /opt/ros/[distro]/setup.bash $ git clone https://github.com/ros-tooling/rosbag2_storage_mcap.git $ cd rosbag2_storage_mcap $ colcon build # In another shell: $ source /opt/ros/[distro]/setup.bash $ cd rosbag2_storage_mcap $ source install/local_setup.bash $ ro...
ros_convert/rosbag2storagemcap_430.txt
No version for distro **kinetic** . Known supported distros are highlighted in the buttons above.
ros_convert/ros2_1.txt
ROS 2
ros_convert/717_203.txt
Copy link
ros_convert/rosbag2storagemcap1_98.txt
[ LICENSE ](/ros-tooling/rosbag2_storage_mcap/blob/main/LICENSE "LICENSE")
ros_convert/717_43.txt
Additional navigation options
ros_convert/717_225.txt
###
ros_convert/rosbag2storagemcap_307.txt
* set defaults for SQLite plugin parity ( [ #68 ](https://github.com/ros-tooling/rosbag2_storage_mcap/issues/68) ) * rosbag2_storage_mcap: add storage preset profiles ( [ #57 ](https://github.com/ros-tooling/rosbag2_storage_mcap/issues/57) ) * rename test_fixture_interfaces package to testdata ( [ #64 ](https:/...
ros_convert/rosbag2storagemcap1_17.txt
* [ The ReadME Project GitHub community articles ](/readme)
ros_convert/rosbag2storagemcap_412.txt
### Dependant Packages
ros_convert/rosbag2storagemcap_295.txt
_No additional links._
ros_convert/717_13.txt
Resources
ros_convert/rosbag2storagemcap1_132.txt
Configures the MCAP writer to use chunk compression with [ zstd ](http://facebook.github.io/zstd/) . Chunk compression yields file sizes comparable to bags compressed with file-level compression, but allows tools to efficiently read messages without decompressing the entire bag. This preset uses the lowest compression ...
ros_convert/717_214.txt
Copy link
ros_convert/deserializingmultipl_75.txt
[ subscription callback types ROS1 vs. ROS2 ](/question/333462/subscription- callback-types-ros1-vs-ros2/)
ros_convert/rosbag2storagemcap_324.txt
* Fix build for Foxy ( [ #34 ](https://github.com/ros-tooling/rosbag2_storage_mcap/issues/34) ) * Contributors: Jacob Bandes-Storch
ros_convert/rosbag2storagemcap1_15.txt
* Open Source
ros_convert/rosbag2storagemcap1_63.txt
Last commit message
ros_convert/717_77.txt
## Completion Criteria