whisper : fix condition for providing past prompt (critical)

This bug has been present since v1.1.0. Effectively, the past transcribed text wasn't being used for following transcriptions, which likely significantly reduces the transcription quality. Likely related to #419
ggerganov · Jan 22, 2023 · 78f1661 · 78f1661 · kafan1986 · Jan 22, 2023
1 parent 21c569b
commit 78f1661
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/whisper.cpp b/whisper.cpp
@@ -3449,7 +3449,7 @@ int whisper_full(
                 prompt.clear();
 
                 // if we have already generated some text, use it as a prompt to condition the next generation
-                if (!prompt_past.empty() && t_cur > 0.5f) {
+                if (!prompt_past.empty() && t_cur < 0.5f) {
                     int n_take = std::min(std::min(params.n_max_text_ctx, whisper_n_text_ctx(ctx)/2), int(prompt_past.size()));
 
                     prompt = { whisper_token_prev(ctx) };