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rate plugin: optimize calculation of the continuous buffer part

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When calculating the continuous part till the end of the buffer, we can
use the slave_frames value that has already been calculated by
snd_pcm_mmap_begin().
This commit is contained in:
Clemens Ladisch 2006-03-13 10:38:51 +00:00
parent 46c67fe070
commit 931e840a9f
1 changed files with 2 additions and 2 deletions
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4
src/pcm/pcm_rate.c
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@ -1032,7 +1032,7 @@ static int snd_pcm_rate_commit_area(snd_pcm_t *pcm, snd_pcm_rate_t *rate,
return result; return result;
__partial: __partial:
xfer = 0; xfer = 0;
cont = rate->gen.slave->buffer_size - slave_offset; cont = slave_frames;
if (cont > slave_size) if (cont > slave_size)
cont = slave_size; cont = slave_size;
snd_pcm_areas_copy(slave_areas, slave_offset, snd_pcm_areas_copy(slave_areas, slave_offset,
@ -1123,7 +1123,7 @@ static int snd_pcm_rate_grab_next_period(snd_pcm_t *pcm, snd_pcm_uframes_t hw_of
return result; return result;
__partial: __partial:
xfer = 0; xfer = 0;
cont = rate->gen.slave->buffer_size - slave_offset; cont = slave_frames;
if (cont > rate->gen.slave->period_size) if (cont > rate->gen.slave->period_size)
cont = rate->gen.slave->period_size; cont = rate->gen.slave->period_size;
snd_pcm_areas_copy(rate->sareas, 0, snd_pcm_areas_copy(rate->sareas, 0,