110 lines
3.7 KiB
Go
110 lines
3.7 KiB
Go
package model
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// RawTranscript is a loaded input document before canonical normalization.
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type RawTranscript struct {
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Source string `json:"source"`
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Segments []RawSegment `json:"segments"`
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}
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// RawSegment is the supported WhisperX segment subset.
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type RawSegment struct {
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Start float64 `json:"start"`
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End float64 `json:"end"`
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Text string `json:"text"`
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Words []Word `json:"words,omitempty"`
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}
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// CanonicalTranscript is a per-speaker transcript in seriatim's internal model.
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type CanonicalTranscript struct {
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Source string `json:"source"`
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Segments []Segment `json:"segments"`
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}
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// MergedTranscript is the globally merged in-memory transcript.
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type MergedTranscript struct {
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Segments []Segment `json:"segments"`
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OverlapGroups []OverlapGroup `json:"overlap_groups"`
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}
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// FinalTranscript is the serialized transcript artifact.
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type FinalTranscript struct {
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Metadata OutputMetadata `json:"metadata"`
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Segments []Segment `json:"segments"`
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OverlapGroups []OverlapGroup `json:"overlap_groups"`
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}
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// OutputMetadata records the pipeline configuration that produced an artifact.
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type OutputMetadata struct {
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Application string `json:"application"`
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Version string `json:"version"`
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InputReader string `json:"input_reader"`
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InputFiles []string `json:"input_files"`
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PreprocessingModules []string `json:"preprocessing_modules"`
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PostprocessingModules []string `json:"postprocessing_modules"`
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OutputModules []string `json:"output_modules"`
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}
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// Segment is the canonical transcript segment shape used by the framework.
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type Segment struct {
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ID int `json:"id,omitempty"`
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InternalRef string `json:"internal_ref,omitempty"`
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Source string `json:"source"`
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SourceSegmentIndex *int `json:"source_segment_index,omitempty"`
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SourceRef string `json:"source_ref,omitempty"`
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DerivedFrom []string `json:"derived_from,omitempty"`
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Speaker string `json:"speaker"`
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Start float64 `json:"start"`
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End float64 `json:"end"`
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Text string `json:"text"`
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Words []Word `json:"words,omitempty"`
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OverlapGroupID int `json:"overlap_group_id,omitempty"`
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}
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// Word preserves optional word-level timing data.
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type Word struct {
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Text string `json:"text"`
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Start float64 `json:"start"`
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End float64 `json:"end"`
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Score float64 `json:"score,omitempty"`
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Speaker string `json:"speaker,omitempty"`
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Timed bool `json:"-"`
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}
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// OverlapGroup describes a detected overlapping speech region.
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type OverlapGroup struct {
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ID int `json:"id"`
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Start float64 `json:"start"`
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End float64 `json:"end"`
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Segments []string `json:"segments"`
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Speakers []string `json:"speakers"`
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Class string `json:"class"`
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Resolution string `json:"resolution"`
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}
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// SegmentLess defines the deterministic chronological ordering used by merge
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// and postprocessing modules.
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func SegmentLess(left Segment, right Segment) bool {
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if left.Start != right.Start {
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return left.Start < right.Start
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}
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if left.End != right.End {
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return left.End < right.End
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}
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if left.Source != right.Source {
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return left.Source < right.Source
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}
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if left.SourceSegmentIndex != nil && right.SourceSegmentIndex != nil && *left.SourceSegmentIndex != *right.SourceSegmentIndex {
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return *left.SourceSegmentIndex < *right.SourceSegmentIndex
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}
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if left.SourceSegmentIndex == nil && right.SourceSegmentIndex != nil {
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return false
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}
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if left.SourceSegmentIndex != nil && right.SourceSegmentIndex == nil {
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return true
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}
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if left.SourceRef != right.SourceRef {
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return left.SourceRef < right.SourceRef
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}
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return left.Speaker < right.Speaker
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}
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