[Proposal]: Add SRTP/RTSPS compatibility #410
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#410) - ⚡️ Enhanced `is_valid_url` in `helper.py` to recognize and support both `rtsp` and `rtsps` protocols. (Suggested by @jonra1993) - 💬 SRTP/RTSPS extends RTSP/RTP to encrypt video and audio data using the same ciphers as HTTPS, typically AES with a 128-bit key length.
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This update significantly enhances Vidgear's capabilities, ensuring better performance, broader compatibility, and improved user experience. The introduction of the Picamera2 API support, enhanced error handling, and detailed documentation updates are pivotal in making Vidgear more robust and user-friendly.
====================
### New Features ✨
- **PiGear:**
+ Official Support for Picamera2 API backend (Fixes #342)
* This massive update brings official support for the new Picamera2 API, unlocking powerful features for Raspberry Pi Camera Modules and limited USB camera support.
* **Seamless Python wrapper:** A robust wrapper around Picamera2 API library simplifies integration with minimal code changes for existing PiGear users.
* **Enhanced camera control:** Leverages libcamera API under the hood for Raspberry Pi Camera Modules.
* **Existing compatibility:** Maintains compatibility with PiGear's existing super-charged multi-threaded and colorspace manipulation framework.
* **Proper Resource management:** Ensures proper resource release during PiGear termination.
* **USB camera support (limited):** Provides basic functionality for USB webcams. PiGear could accurately differentiates between USB and Raspberry Pi cameras using metadata.
* **Backward compatibility:** Seamlessly switches to the legacy Picamera library backend if Picamera2 is unavailable.
* **Standalone functionalities:** Standalone functionalities for both legacy `picamera` and newer `picamera2` backends for clarity.
* **Advanced optional parameters handling:** Handles camera configurational parameters and user-defined settings for various camera types.
* **New optional configurational parameters:** Currently Supports "sensor", "format", "controls", "transform", "stride", "buffer_count", and "queue" with sanity checks. Seperated Raspberry Pi camera module exclusive and Unified USB cameras supported optional parameters.
* **New user-defined optional parameters:** Such as `auto_align_output_config`, `enable_verbose_logs`, and more.
- **StreamGear:**
* Introduced new `-enable_force_termination` attribute for immediate FFmpeg process termination.
- **Helper:**
* Added support for SRTP/RTSPS in `is_valid_url` function (Fixes #410)
+ Enhanced `is_valid_url` in `helper.py` to recognize and support both `rtsp` and `rtsps` protocols. (Suggested by @jonra1993)
+ SRTP/RTSPS extends RTSP/RTP to encrypt video and audio data using the same ciphers as HTTPS, typically AES with a 128-bit key length.
* Added a custom deprecated decorator to mark deprecated functions and parameters to display a warning message when a deprecated one is used.
- **Docs:**
* Overhauled mkdocs theme.
+ Added `unrecognized_links: ignore` to `mkdocs.yml` for validations.
+ Added custom admonition icons to mkdocs.yml
+ Added new `git-authors` plugin in mkdocs.yml
+ Added new tables markdown extension in mkdocs.yml
+ Added custom fences to `pymdownx.superfences` markdown extension.
+ Added `line_spans: __span` and `pygments_lang_class: true` parameters to `pymdownx.highlight` markdown extension.
+ Added `normalize_issue_symbols: true` to `pymdownx.magiclink` markdown extension.
+ Added new mkdocs feature dependency `mkdocs-git-authors-plugin`.
* Added the use of new `-enable_force_termination` parameter.
* Added a new FAQ entry about the deprecated `rgb_mode` parameter.
* Added new `screengear_error11.png` asset.
- **CI:**
* Added test cases for `import_dependency_safe` function to validate different scenarios and error handling in `import_dependency_safe`.
### Updates/Improvements ⚡️
- Core:
* Improved exception handling for module imports:
+ Updated `import_dependency_safe` in `helper.py`:
* Added specific handling for `ModuleNotFoundError`.
* Included original exception in `ImportError` for better error tracing.
* Enhanced logging to include exception traceback when error is set to "log".
+ Enhanced `import_core_dependency` in `__init__.py`:
* Added specific handling for `ModuleNotFoundError`.
* Included original exception in `ImportError` for better error tracing.
* Improved colorspace handling in videocapture gears:
+ Logged a warning and discarded invalid colorspace values instead of raising an exception.
+ Consolidated colorspace logging into a single line using a ternary operation.
- Asyncio:
* Replaced deprecated Starlette's `on_shutdown` parameter with an async context manager `lifespan` in WebGear and WebGear_RTC APIs. (Fixes #397)
+ Moved shutdown logic for VideoGear and peer RTC connections to this new `lifespan` context manager.
+ Added new `contextlib` import for using `asynccontextmanager`.
- NetGear_Async API:
* Modified `__init__` method to handle event loop more robustly:
+ Try to get the running event loop using `asyncio.get_running_loop()`
+ If no running event loop found, create a new one with `asyncio.new_event_loop()`
+ Log if creating a new event loop
* Changed launch method to use `self.loop.create_task()` instead of `asyncio.ensure_future()`
+ Ensures the task is created using the correct event loop instance.
* Moved the event loop initialization code to an earlier point before setting event loop policy to ensure it is set up correctly before selecting `WindowsSelectorEventLoop` policy.
+ On Windows, vidgear requires the `WindowsSelectorEventLoop`, but Python 3.8 and above defaults to the `ProactorEventLoop` which is not compatible.
* Removed redundant python version check to set `WindowsSelectorEventLoop` policy, as minimum supported version is already `3.8`.
* Move event loop setup and policy assignment to the beginning of `__init__` before zmq Context creation.
* Refactored return data handling.
- StreamGear:
* Updated `close()` methods for handling gracefully signal interruptions based on different operating systems with device audio streams.
* Deprecated `terminate()` method, introducing `close()` for safer process termination.
* Enhanced stream copy support in Single Source mode (Fixes #396).
+ Moved settings for "-vf" and "-aspect" inside conditional blocks.
+ Added warnings and discarded these parameters in stream copy mode.
+ Ignored stream copy parameter in Real-time Frames Mode or Custom Streams with appropriate warnings.
+ Updated `-acodec` handling:
* Default to `aac` for Custom Streams.
* Use stream copy (`-acodec copy`) for input video’s audio when Custom Streams are disabled.
+ Refined `-livestream` parameter usage to Real-time Frames Mode only.
+ Adjusted video and audio bitrate assignment to skip when stream copy is enabled.
+ Improved log message for `-clear_prev_assets` parameter.
* Restricted `-livestream` parameter to Real-time Frames Mode only.
+ Disabled live streaming for video files and updated relevant logging.
* Enhanced warning messages and clarified description.
- PiGear:
* Logging optimization with warning for common `libcamera` messages.
* Lowered `framerate` minimum value to `0.0`.
* Moved `sensor` optional parameter to commonly supported picamera2 configurational parameters.
* Removed unsupported `bit_depth` optional parameters.
* Updated PiGear API tagline and introduction.
- NetGear:
* Enhanced logging and error handling for secure mode.
* Logged Authenticator start/stop events.
* Handled socket session expiration more gracefully in `recv_handler`.
* Ensured proper termination of the ZMQ context and socket when closing the NetGear instance.
- WebGear:
* Enhanced error messages for WebGear auto-generation workflow (Fixes #403)
+ Updated `homepage`, `not_found`, and `server_error` methods to include more detailed JSON error messages.
+ Added specific error and message prefixes to improve clarity.
- WebGear_RTC:
* Optimized peer connection closure to avoid redundant closures.
* Reduced unnecessary logging by only logging ICE connection state changes when they are not in a "failed" state.
- WriteGear:
* Simplified the logic for formatting output parameters.
* Improved error handling in `execute_ffmpeg_cmd` method:
+ Raised `ValueError` with descriptive messages for `BrokenPipeError` or `IOError`.
+ Updated error handling per PEP 409 to preserve original exception context or suppress it based on logging settings.
- CamGear:
* Removed GStreamer support check.
* Improved readability of livestream warning logs.
- Setup.py:
* Dropped legacy picamera dependency in `setup.py`.
* Updated setup.py to use the latest `pyzmq` version to address installation issues (Fixes #399).
- Helper:
* Added patch for substring index bug in `get_supported_demuxers` helper method.
* Updated `extract_time` helper function regex to handle milliseconds.
- Docs:
* Update StreamGear documentation:
+ Updated documentation to deprecated `terminate()` method, and introducing `close()` for safer process termination.
+ Improved the overview section's description and wording.
+ Updated usage examples for both Single-Source Mode and Real-time Frames Mode.
+ Updated StreamGear usage examples for device audio input.
+ Refactored sections for Live Streaming usage.
* Added warning for unsupported `-livestream` parameter in Single-Source Mode.
+ Added a tip box on benefits of using stream copy (`-vcodec copy`) for faster HLS/DASH transcoding.
* Highlighted limitations of stream copy, including incompatibility with Real-time Frames Mode and Custom Streams.
* Clarified automatic audio stream copy (`-acodec copy`) usage with input video’s audio stream.
+ Updated usage example for device video source.
+ Addressed deprecation of the `terminate()` method in favor of the new `close()` method.
+ Updated respective notices for the deprecated `terminate()` method and `rgb_mode` parameter.
+ Added a deprecation warning admonition for the `rgb_mode` parameter in the `stream()` method.
+ Removed the obsolete usage example for deprecation RGB mode with StreamGear.
+ Added documentation and usage of the new `-enable_force_termination` parameter.
+ Modified the warning message to mention that forced termination can cause corrupted output in certain scenarios.
+ Updated the docstring for the `stream()` method and `transcode_source()` method.
+ Refactored the StreamGear API Parameters documentation to enhance clarity and readability.
+ Refined the description of the `-streams` attribute of the StreamGear API.
* Update PiGear documentation:
+ Added a warning advising users to disable common `libcamera` messages when logging is disabled.
+ Updated Picamera2 installation instructions _(including `apt`, `pip`, pre-installation on Raspberry Pi images, and compatibility warnings)_
+ Moved legacy Picamera library installation instructions to an admonition.
+ Removed Importing section from overview to avoid confusion.
* Update NetGear documentation:
+ Added Admonition for warning users about the Client's end must run before the Server's end to establish a secure connection in Secure Mode.
+ Added warning log for potential issues with `flag=1` (NOBLOCK). (Fixes #390)
* Changed default value of `copy` to `True` in NetGear API documentation.
+ Noted that `track` option is ignored when `copy=True`.
* Update WriteGear documentationL
+ Updated the documentation for the `-disable_force_termination` parameter.
* Update `README.md`:
+ Replaced deprecated options (`frame_jpeg_quality`, `frame_jpeg_optimize`, `frame_jpeg_progressive`) with their newer equivalents (`jpeg_compression_quality,` `jpeg_compression_fastdct`, `jpeg_compression_fastupsample`) in WebGear usage example.
* Update `mkdocs.yml`:
+ Set `edit_uri` for GitHub edit links.
+ Add new theme features like content actions, tooltips, etc.
+ Update palette settings for light/dark mode.
+ Enable new markdown extensions.
+ Add custom javascript hook support.
+ Migrated to new Google Analytics 4.
+ Replaced depreciated `materialx `with supported emoji extension.
+ Replaced permalink icon with default one.
+ Change system mode toggle icon and name in `mkdocs.yml`.
* Improved overall documentation quality by added detailed explanations, practical examples, following best practices, and clearer usage patterns.
* Updated sections, code examples, admonitions, and comments for better readability, consistency, and precision.
* Added missing version contributors to `changelog.md`.
* Added new icons to make headings more readable.
* Replaced unsupported admonitions with supported ones.
* Removed all custom admonition icons and color CSS from `custom.css`.
* Removed Twitter section from help and docs site metadata.
* Updated Zenodo badge and BibTeX entry.
* Added workaround for 'AttributeError: 'DXCamera' object has no attribute 'is_capturing'' error on Windows.
* Remove script tags from `main.html` and use a custom hook for adding javascripts on certain pages.
* Refactored all APIs and bonus examples to use `linenums` and `hl_lines` which makes it easier to highlight specific lines in code blocks.
* Removed Gitter community chat sidecard JS file.
* Redefined spacing between sections.
* Add failure warning in various docs about `picamera` incompatibility on 64-bit OS.
* Update announcement icon in `main.html`.
* Remove `site.webmanifest` file.
- Maintenance:
* Improved logging, parameter validation, and added descriptive dialogs across various APIs.
* Moved logging enablement before version logging for consistency in vidgear APIs.
* Removed redundant boolean assignment for various APIs internal logging.
* Simplified conditional statements and assignments using short-circuiting, Boolean operations, and ternary operators across various APIs and tests.
* Refactored vidgear code to improve readability, maintainability, and performance.
* Added `.cache` directory to `.gitignore`,
* Updated vidgear library version to `v0.3.3`.
* Improved code efficiency with short-circuiting and formatting.
* Updated logging practices to be more developer-friendly.
* Removed unnecessary parentheses and type checks.
* Removed unused imports.
* Updated code comments.
- CI:
* Temporarily removed PiGear API from code coverage due to hardware limitations.
* Deprecated custom `event_loop` fixture overrides in WebGear_RTC and NetGear_Async tests
+ Removed redundant `pytest.mark.asyncio` decorators from several test functions.
* Add a new `event_loop_policy` fixture for pytest to override the event loop policy:
+ Added new recommended approach of using `pytest.mark.asyncio(scope="module")` to mark all WebGear_RTC and NetGear_Async tests as asynchronous and utilize the same event loop throughout the module.
+ Log the event loop being used for debugging.
* Updated NetGear unit tests to reflect the new default for `copy`.
* Ensured coverage for `raise`, `log`, `silent`, and unknown error types.
* Improved parameterized test cases to support floating point values.
* Updated StreamGear tests to use the new `close()` method instead of the deprecated terminate() method.
* Updated tests of various APIs for better coverage and reliability.
* Enabled `kill=True` in `close()` in NetGear Tests.
* Removed pinned `cryptography==38.0.4` dependency.
* Remove unused imports and code cleanup.
* Rearranged the dependencies.
### Breaking Updates/Changes 💥
- StreamGear:
* Deprecated `terminate()` method and introduce `close()` method.
+ The `terminate()` method in StreamGear is now deprecated and will be removed in a future release. Developers should use the new `close()` method instead, which provides a more descriptive name like in WriteGear API for terminating StreamGear processes safely.
* Deprecated `rgb_mode` parameter in `stream()` method.
+ This parameter will be removed in a future version, and only BGR format frames will be supported.
* Restricted -livestream parameter to Real-time Frames Mode only.
+ Live streaming is intended for low-latency streaming of real-time frames, where chunks contain only the most recent frames. It doesn't make sense when streaming from a video file, as the entire file can be streamed normally without the need for live streaming.
### Bug-fixes 🐛
- PiGear:
* Modify PiGear class behavior when `enforce_legacy_picamera=True` on unsupported system
+ Instead of silently disabling `picamera2` API directly, PiGear now raises an error if `picamera` is unavailable or unsupported
+ Prevented incorrect initialization of `PiGear` class on unsupported 64-bit OS systems.
* Fixed `UnboundLocalError` bug for 'picamera2' variable assigment.
* Fixed `UnboundLocalError` bug for 'queue' variable assignment.
* Fixed colorspace typo bug.
- StreamGear:
* Fixed incompatibility of stream copy with Real-time Frames Mode.
+ Added warnings and discarded `-vcodec copy` when using this mode.
* Removed non-essential aspect ratio parameter to prevent unwanted distortions (Fixes #385).
* Moved handle streaming format to beginning to fix 'StreamGear' object has no attribute '_StreamGear__format' bug.
- NetGear:
* Fixed Secure Mode failing to work on conflicting ZMQ Contexts:
+ Handled "Address in use" error more gracefully and disabled secure mode if errors occur.
+ Improved handling of ZMQ Authenticator and Certificates.
* Fixed `msg_json` undefined when terminating context in the `recv_handler` method.
- CamGear:
* Fixed logging condition for yt-dlp (Fixes #394)
+ Updated `no_warnings` parameter in `CamGear` to be `False` when logging is enabled and `True` otherwise.
- Docs:
* Replaced buggy kofi widget with a button image in `index.md`.
* Fixed Ko-fi sponsorship heart hover effect in footer
+ Replaced `twemoji` heart emoji with `heart-pulse` fontawesome SVG
* Fixed titles and indentations in various admonitions.
* Fixed various issues in code comments, and hyperlinks URLs.
* Fixed typos, formatting, code highlighting, and grammar inconsistencies.
* Fixed minor typo in `js_hook.py`.
- CI:
* Fixed simplejpeg and opencv not compatible with `numpy==2.x.x` versions.
+ Pinned `numpy<2.0.0` in all CI envs.
* Fixed expected duration value in parameterized test case from `8` to `8.44` since `test_extract_time` function now supports floating point values.
* Fixed `test_secure_mode` NetGear test:
+ Added `"127.0.0.1"` address to allow common endpoint for connection.
+ Added `"jpeg_compression":False` to disable frame compression, allowing frame to be the same while assertion.
* Fixed `pip install` hash bug in Azure Pipelines CI.
* Fixed various typos and code issues in tests.
* Fixed invalid escape sequence in testcase string.
* Fixed python environment bugs in `appveyor.yml`.
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Issue guidelines
Issue Checklist
Describe your Idea
Originally raised by @jonra1993 in #384
Adding support for SRTP/RTSPS or Secure RTSP streaming protocol for APIs like WriteGear and StreamGear.
Use Cases
This issue aimed at adding support for SRTP/RTSPS or Secure RTSP streaming, is protocol that is an extension of the RTSP/RTP protocol to encrypt the video frames and audio data. SRTP uses the same ciphers as HTTPS, typically AES with 128 bit key length. As AES uses a symmetric key, both the video producer and video consumer need to know the key.
Any other Relevant Information?
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