make parse_c module isolate

[lucemia]

This pull request introduces significant changes to improve the handling and representation of FFmpeg command-line options in the codebase. The most important updates include the addition of a new schema module defining FFMpegOption and related enums, refactoring imports to use the new schema, and enhancing the load_options function to utilize the updated FFMpegOption structure.

Schema Enhancements:

• src/scripts/parse_c/schema.py: Added a new schema module defining FFMpegOption, FFMpegOptionType, and FFMpegOptionFlag. This provides a structured and extensible way to represent FFmpeg options, including properties for input/output/global options and stream specifier support.

Refactoring for Schema Integration:

• src/scripts/parse_c/cli.py: Updated imports to use the new schema.py module for FFMpegOption, replacing the previous import from ffmpeg.common.schema.
• src/scripts/parse_c/parse_ffmpeg_opt_c.py: Refactored imports to use schema.py for FFMpegOption and FFMpegOptionFlag.

Functional Improvements:

• src/scripts/code_gen/cli.py: Enhanced the load_options function to construct FFMpegOption objects using the new FFMpegOptionType enum and other schema properties, providing better type safety and clarity.

Minor Updates:

• src/scripts/code_gen/cli.py: Added FFMpegOptionType to the list of imports for schema integration.

[Copilot]

Pull Request Overview

This PR introduces a standalone schema module for FFmpeg options, refactors existing parsing code to use it, and updates code generation to build options via the new schema.

• Added schema.py defining FFMpegOption, FFMpegOptionType, and FFMpegOptionFlag.
• Updated imports in parsing utilities to reference the new schema.
• Enhanced load_options in code generation to construct FFMpegOption objects using the new enums.

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
src/scripts/parse_c/schema.py	New schema definitions for FFmpeg options (types, flags, dataclass)
src/scripts/parse_c/parse_ffmpeg_opt_c.py	Refactored imports to use .schema for FFMpegOption and flags
src/scripts/parse_c/cli.py	Updated import to .schema (unused import may be removable)
src/scripts/code_gen/cli.py	Improved load_options to rebuild options with the new schema

Comments suppressed due to low confidence (2)

src/scripts/parse_c/schema.py:185

• [nitpick] The property name is_support_stream_specifier is a bit awkward; consider renaming it to supports_stream_specifier for clarity and consistency with boolean naming conventions.

    def is_support_stream_specifier(self) -> bool:

src/scripts/parse_c/cli.py:16

• FFMpegOption is imported but not used in this module; consider removing the unused import to reduce clutter and dependencies.

from .schema import FFMpegOption

[Copilot]

You can directly assign the enum instance (type=i.type) instead of re-wrapping it with FFMpegOptionType(i.type.value), simplifying the code and avoiding redundant conversion.

Suggested change

	type=FFMpegOptionType(i.type.value),
	type=i.type,

[Copilot]

When recreating FFMpegOption instances, optional fields like argname and canon are omitted; include argname=i.argname and canon=i.canon to preserve these values.

[codecov]

Codecov Report

Attention: Patch coverage is 98.75000% with 1 line in your changes missing coverage. Please review.

Project coverage is 87.98%. Comparing base (2535d30) to head (959a2c7).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/scripts/code_gen/cli.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #764      +/-   ##
==========================================
+ Coverage   80.89%   87.98%   +7.09%     
==========================================
  Files          77       27      -50     
  Lines        4469     1215    -3254     
==========================================
- Hits         3615     1069    -2546     
+ Misses        854      146     -708     

Flag	Coverage Δ
3.10	?
3.11	?
3.12	?
backend	?
python	?
python-3.10	87.98% <98.75%> (+0.81%)	⬆️
scripts	87.98% <98.75%> (+0.81%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/scripts/parse_c/cli.py	81.81% <100.00%> (ø)
src/scripts/parse_c/parse_ffmpeg_opt_c.py	100.00% <100.00%> (ø)
src/scripts/parse_c/schema.py	100.00% <100.00%> (ø)
src/scripts/code_gen/cli.py	41.74% <0.00%> (ø)

... and 51 files with indirect coverage changes

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