Fix/resampler span boundaries - #916
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`fill_input_buffer` treats `current_span_len()` as the samples left in the span, but it's the span's total length, so it stops reading at the end of every span. Vorbis packets are smaller than a resampler chunk, so every chunk ends up short, gets marked `partial_len`, and rubato pads it with zeros. The same audio comes out different depending on how the decoder split it. Stop only where the rate or channel count actually changes, and check that before reading anything from the next span. When reading stops there, rebuild the resampler. That fixes a second bug: a span that changed the sample rate was still being resampled at the old one. 441 frames at 44.1k then 441 at 22.05k, converted to 48k, gave 962 samples instead of 1440. Drop the counter the boundary detection was using — reading stops at the change itself now, so there's nothing left to count. Only the passthrough still needs it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
…ng no-spans (stable stream format)
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This was opened in error. Please see #915 for this fix. |
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