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add StreamingTranscriber wrapper for real-time transcription

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leonardotrapani
2026-02-01 00:39:26 +01:00
parent db7e3951a5
commit 4fe570081d
4 changed files with 455 additions and 1 deletions
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@@ -50,3 +50,15 @@ Started: Sun Feb 1 12:22:47 AM CET 2026
- `TranscriptionResult` struct: Text, IsFinal, Error fields
- `StreamingAdapter` interface: Start, SendChunk, Results, Close methods
- All tests passing, typecheck passes
### Task 6: Create StreamingTranscriber wrapper
- Created `internal/transcriber/streaming_transcriber.go`
- StreamingTranscriber struct with: adapter, language, finalText builder, mutex, ctx/cancel, WaitGroup
- Start() creates cancelable context, starts adapter, spawns 2 goroutines
- Goroutine 1: reads frames from channel, calls adapter.SendChunk()
- Goroutine 2: reads from adapter.Results(), accumulates final results with space separator
- Stop() cancels context, waits for goroutines, closes adapter
- GetFinalTranscription() returns accumulated text with mutex protection
- Added MockStreamingAdapter and comprehensive tests
- Tests verify: start/stop, result accumulation, partial result filtering, error handling, concurrent access
- All tests passing with -race flag, typecheck passes