HandBrake's development repository
This report summarizes scanner evidence for HandBrake/HandBrake, a C project with 24,830 GitHub stars. SynthScan examined 282,841 lines of code across 1045 source files, recording 595 pattern matches distributed across 13 syntactic categories. The legacy adjusted pattern signal is 2.5 (Low pattern signal); it is not an authorship estimate.
Use the findings to ask whether maintainers can explain intent, verify dependencies, simplify unnecessary scaffolding, and focus review effort. Risk Payload v1 adds ownership, supply-chain, over-engineering, and review-effort vectors when available. These are prompts for human verification, not probabilities, security findings, or measured maintenance costs.
Use each vector to guide manual verification of the underlying findings.
Payload schema: 1.0.0 · Engine: 2.0.0 · Scoring: heuristic-density-v1 · Scan date: 2026-10-31.
Can maintainers explain intent, assumptions, and trade-offs? 554 finding(s).
Are imports declared and package/API names verified? 5 finding(s).
Are wrappers, guards, and repeated structures necessary? 36 finding(s).
Which changes need focused human review? 595 finding(s).
This chart tracks the legacy adjusted pattern score across scan runs. Changes can reflect source changes, scan coverage, or detector/scoring versions; they do not measure AI adoption or prove that a team refactored code. Compare runs only when their scoring versions are compatible. The dashed line tracks the raw pattern-hit count.
Groups findings by configured severity weight. Severity is not a confidence estimate, security rating, or proof that a package is missing. Verify imports against the project's manifests and inspect each finding in its local design context.
This horizontal bar chart shows where configured pattern scores accumulate across directories. Treat the bars as locations to inspect, not as evidence of authorship or code quality. Use the file-level findings to decide whether a directory needs a focused ownership, dependency, complexity, or review check.
The scanner identified 595 distinct pattern matches across 13 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a detector match to inspect in context. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.
Reading the findings table: The Severity column indicates the configured finding weight (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — legacy comment-context matches receive a ×1.5 score weight. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier under the legacy scoring model.
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | test/test.c | 21 | #include <strings.h> | COMMENT |
| LOW | test/test.c | 2721 | #define SUB_BURNED 267 | COMMENT |
| LOW | test/test.c | 2741 | #define ENCODER_PROFILE 288 | COMMENT |
| LOW | test/test.c | 2761 | #define PAD 310 | COMMENT |
| LOW | test/test.c | 2781 | #define CROP_MODE 330 | COMMENT |
| LOW | …ake.App.Core/Exceptions/GeneralApplicationException.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …ake.App.Core/Exceptions/GeneralApplicationException.cs | 21 | /// </summary> | COMMENT |
| LOW | …ake.App.Core/Exceptions/GeneralApplicationException.cs | 41 | /// <param name="error"> | COMMENT |
| LOW | …n/CS/HandBrake.App.Core/Extensions/StringExtensions.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | win/CS/HandBrake.App.Core/Utilities/TimeSpanHelper.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | win/CS/HandBrake.App.Core/Utilities/EnumHelper.cs | 21 | COMMENT | |
| LOW | win/CS/HandBrake.App.Core/Utilities/EnumHelper.cs | 81 | /// <summary> | COMMENT |
| LOW | win/CS/HandBrake.App.Core/Utilities/EnumHelper.cs | 161 | } | COMMENT |
| LOW | …/CS/HandBrake.App.Core/Utilities/DirectoryUtilities.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …/CS/HandBrake.App.Core/Utilities/DirectoryUtilities.cs | 41 | /// <summary> | COMMENT |
| LOW | win/CS/HandBrake.App.Core/Utilities/Validate.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …HandBrake.App.Core/Utilities/DelayedActionProcessor.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …HandBrake.App.Core/Utilities/DelayedActionProcessor.cs | 21 | /// The task. | COMMENT |
| LOW | win/CS/HandBrake.App.Core/Model/DriveInformation.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | win/CS/HandBrake.App.Core/Model/DriveInformation.cs | 21 | COMMENT | |
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 341 | } | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 381 | // Force UI Updates | COMMENT |
| LOW | …n/CS/HandBrakeWPF/ViewModels/TitleSpecificViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …/CS/HandBrakeWPF/ViewModels/QueueSelectionViewModel.cs | 221 | this.TitleList.Clear(); | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/SubtitlesViewModel.cs | 81 | /// <summary> | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/SubtitlesViewModel.cs | 561 | return true; | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/ShellViewModel.cs | 21 | COMMENT | |
| LOW | win/CS/HandBrakeWPF/ViewModels/ShellViewModel.cs | 41 | /// </summary> | COMMENT |
| LOW | …/CS/HandBrakeWPF/ViewModels/CountdownAlertViewModel.cs | 21 | /// <summary> | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/MetaDataViewModel.cs | 181 | /// Setup the window after a scan. | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/ChaptersViewModel.cs | 261 | COMMENT | |
| LOW | …/HandBrakeWPF/ViewModels/Interfaces/IAboutViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …/HandBrakeWPF/ViewModels/Interfaces/IVideoViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …/HandBrakeWPF/ViewModels/Interfaces/IErrorViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …andBrakeWPF/ViewModels/Interfaces/IFiltersViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …WPF/ViewModels/Interfaces/IPictureSettingsViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …akeWPF/ViewModels/Interfaces/IManagePresetViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …akeWPF/ViewModels/Interfaces/IManagePresetViewModel.cs | 21 | /// </summary> | COMMENT |
| LOW | …ndBrakeWPF/ViewModels/Interfaces/IChaptersViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …eWPF/ViewModels/Interfaces/IQueueSelectionViewModel.cs | 21 | /// <summary> | COMMENT |
| LOW | …ndBrakeWPF/ViewModels/Interfaces/IMetaDataViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …/HandBrakeWPF/ViewModels/Interfaces/IAudioViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …eWPF/ViewModels/Interfaces/ICountdownAlertViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …eWPF/ViewModels/Interfaces/ICountdownAlertViewModel.cs | 21 | /// </summary> | COMMENT |
| LOW | …dBrakeWPF/ViewModels/Interfaces/IAddPresetViewModel.cs | 21 | { | COMMENT |
| LOW | …keWPF/ViewModels/Interfaces/ITitleSpecificViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …andBrakeWPF/ViewModels/Interfaces/IOptionsViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …CS/HandBrakeWPF/ViewModels/Interfaces/ILogViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …S/HandBrakeWPF/ViewModels/Interfaces/IMainViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …S/HandBrakeWPF/ViewModels/Interfaces/IMainViewModel.cs | 21 | public interface IMainViewModel | COMMENT |
| LOW | …S/HandBrakeWPF/ViewModels/Interfaces/IMainViewModel.cs | 41 | /// <summary> | COMMENT |
| LOW | …S/HandBrakeWPF/ViewModels/Interfaces/IMainViewModel.cs | 61 | COMMENT | |
| LOW | …S/HandBrakeWPF/ViewModels/Interfaces/IMainViewModel.cs | 81 | COMMENT | |
| LOW | …S/HandBrakeWPF/ViewModels/Interfaces/IMainViewModel.cs | 101 | /// A list of files to scan | COMMENT |
| LOW | …S/HandBrakeWPF/ViewModels/Interfaces/IMainViewModel.cs | 121 | /// <summary> | COMMENT |
| LOW | …CS/HandBrakeWPF/ViewModels/Interfaces/ITabInterface.cs | 21 | /// Common interface for all the main tab panels | COMMENT |
| LOW | …CS/HandBrakeWPF/ViewModels/Interfaces/ITabInterface.cs | 41 | /// </param> | COMMENT |
| LOW | …/HandBrakeWPF/ViewModels/Interfaces/IQueueViewModel.cs | 1 | // -------------------------------------------------------------------------------------------------------------------- | COMMENT |
| LOW | …/HandBrakeWPF/ViewModels/Interfaces/IQueueViewModel.cs | 21 | /// The action. | COMMENT |
| LOW | …/HandBrakeWPF/ViewModels/Interfaces/IQueueViewModel.cs | 41 | COMMENT | |
| 467 more matches not shown… | ||||
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| HIGH | make/df-fetch.py | 67 | except Exception: | CODE |
| HIGH | make/configure.py | 436 | except: | CODE |
| HIGH | make/configure.py | 440 | except: | CODE |
| HIGH | make/configure.py | 592 | except NameError: | CODE |
| HIGH | make/configure.py | 2296 | except: | CODE |
| HIGH | make/configure.py | 725 | except: | CODE |
| HIGH | make/configure.py | 735 | except: | CODE |
| HIGH | make/configure.py | 1298 | except: | CODE |
| HIGH | make/configure.py | 1303 | except Exception as x: | CODE |
| HIGH | make/configure.py | 1263 | except: | CODE |
| HIGH | make/configure.py | 1268 | except Exception as x: | CODE |
| HIGH | gtk/data/version.py | 21 | except: | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | make/df-fetch.py | 67 | except Exception: | CODE |
| LOW | make/df-fetch.py | 126 | except Exception as x: | CODE |
| LOW | make/df-fetch.py | 136 | except Exception as x: | CODE |
| MEDIUM | make/configure.py | 608 | def _action( self ): | CODE |
| LOW⚡ | make/configure.py | 1265 | except Exception as x: | CODE |
| LOW⚡ | make/configure.py | 1268 | except Exception as x: | CODE |
| LOW⚡ | make/configure.py | 1274 | except Exception as x: | CODE |
| LOW⚡ | make/configure.py | 1300 | except Exception as x: | CODE |
| LOW⚡ | make/configure.py | 1303 | except Exception as x: | CODE |
| LOW⚡ | make/configure.py | 1309 | except Exception as x: | CODE |
| LOW | make/configure.py | 133 | except Exception as x: | CODE |
| LOW | make/configure.py | 1125 | except Exception as x: | CODE |
| LOW | make/configure.py | 1511 | except Exception as x: | CODE |
| LOW | make/df-verify.py | 94 | except Exception as x: | CODE |
| MEDIUM | scripts/create_flatpak_manifest.py | 113 | print("Error: only one archive source permitted") | CODE |
| MEDIUM | scripts/create_flatpak_manifest.py | 149 | print("Error: Invalid option") | CODE |
| LOW⚡ | scripts/create_resources.py | 44 | except Exception as err: | CODE |
| MEDIUM⚡ | scripts/create_resources.py | 45 | print("Error: %s" % str(err), file=sys.stderr) | CODE |
| MEDIUM⚡ | scripts/create_resources.py | 47 | print("Error: No such json file %s" % fbase, file=sys.stderr) | CODE |
| MEDIUM⚡ | scripts/create_resources.py | 56 | print("Error: No such plist file %s" % fbase, file=sys.stderr) | CODE |
| LOW⚡ | scripts/create_resources.py | 66 | except Exception as err: | CODE |
| MEDIUM⚡ | scripts/create_resources.py | 67 | print("Error: %s" % str(err), file=sys.stderr) | CODE |
| MEDIUM⚡ | scripts/create_resources.py | 70 | print("Error: No such string file %s" % fbase, file=sys.stderr) | CODE |
| MEDIUM | scripts/create_resources.py | 97 | print("Error: %s" % str(err), file=sys.stderr) | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| HIGH | …/HandBrakeWPF/Properties/ResourcesTooltips.Designer.cs | 3 | // This code was generated by a tool. | COMMENT |
| HIGH | win/CS/HandBrakeWPF/Properties/Resources.Designer.cs | 3 | // This code was generated by a tool. | COMMENT |
| HIGH | win/CS/Properties/Resources.Designer.cs | 3 | // This code was generated by a tool. | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| HIGH | make/configure.py | 1109 | ## pipe and redirect stderr to dev/null; effects communicate result | COMMENT |
| HIGH | make/configure.py | 704 | self.msg_end = self.mode.toString() | CODE |
| HIGH | make/configure.py | 783 | help='select %s%s: %s' % (self.descr,self.what,self.toString()), | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | libhb/bd.c | 453 | // But clips that have seamless transition are required | COMMENT |
| MEDIUM | scripts/localization/translate_win.sh | 9 | # Click on the resource to delve into it | COMMENT |
| MEDIUM | scripts/localization/translate_linux.sh | 14 | # Click on the resource to delve into it | COMMENT |
| MEDIUM | scripts/localization/translate_mac.sh | 8 | # Click on the resource to delve into it | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | scripts/manicure.rb | 4 | # This file is part of the HandBrake source code. | COMMENT |
| MEDIUM | scripts/localization/translate_win.sh | 34 | # Create a bit branch for the pull request | COMMENT |
| MEDIUM | scripts/localization/translate_linux.sh | 40 | # Create a bit branch for the pull request | COMMENT |
| MEDIUM | scripts/localization/translate_mac.sh | 34 | # Create a bit branch for the pull request | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 534 | // Step 2: Check if the track list already contains this track | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 570 | // Step 2: Check if the track list already contains this track | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 588 | // Step 2: Check if the track list already contains this track | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/SubtitlesViewModel.cs | 218 | // Step 2: Check if the track list already contains this track | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 534 | // Step 2: Check if the track list already contains this track | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 570 | // Step 2: Check if the track list already contains this track | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/AudioViewModel.cs | 588 | // Step 2: Check if the track list already contains this track | COMMENT |
| LOW | win/CS/HandBrakeWPF/ViewModels/SubtitlesViewModel.cs | 218 | // Step 2: Check if the track list already contains this track | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | make/configure.py | 680 | CODE | |
| LOW | make/configure.py | 841 | CODE | |
| LOW | scripts/create_flatpak_manifest.py | 44 | CODE | |
| LOW | scripts/create_resources.py | 25 | CODE | |
| LOW | gtk/data/version.py | 25 | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | scripts/tag-release.sh | 37 | # Check if there is a valid git repo here | COMMENT |
| LOW | scripts/repo-info.sh | 29 | # Check if there is a valid git repo here | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | scripts/localization/translate_linux.sh | 8 | # If you want to remove a translator from the files if Transifex erroneously adds it, you can add: | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | scripts/create_flatpak_manifest.py | 3 | CODE | |
| LOW | scripts/create_resources.py | 4 | CODE |