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https://github.com/mpv-player/mpv
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814dacdd7d
The touched code is for seek resets and such - we simply want to reset the entire resample state. But I noticed after a seek a tiny bit of audio is missing (mpv's audio sync code inserted silence to compensate). It turns out swr_drop_output() either does not reset some internal state as we expect, or it's designed to drop not only buffered samples, but also future samples. On the other hand, libavresample's avresample_read(), does not have this problem. (It is also pretty explicit in what it does - return/skip buffered data, nothing else.) Is the libswresample behavior a bug? Or a feature? Does nobody even know? Who cares - use the hammer to unfuck the situation. Destroy and deallocate the libswresample context and recreate it. On every seek. |
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| .. | ||
| decode | ||
| filter | ||
| out | ||
| audio_buffer.c | ||
| audio_buffer.h | ||
| audio.c | ||
| audio.h | ||
| chmap_sel.c | ||
| chmap_sel.h | ||
| chmap.c | ||
| chmap.h | ||
| fmt-conversion.c | ||
| fmt-conversion.h | ||
| format.c | ||
| format.h | ||