size_t newsampleframes, memsize;
snd_buffer_t* sb;
- newsampleframes = (size_t) ((double)sampleframes * (double)sb_speed / (double)in_format->speed);
+ newsampleframes = (size_t) ceil((double)sampleframes * (double)sb_speed / (double)in_format->speed);
memsize = newsampleframes * in_format->channels * in_format->width;
memsize += sizeof (*sb) - sizeof (sb->samples);