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small tweak to resampler

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7435 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Brian West
2008-01-30 15:45:52 +00:00
parent ab519911c4
commit 89b9e1fbf1
4 changed files with 19 additions and 13 deletions
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6
src/switch_resample.c
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@@ -51,6 +51,8 @@
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#endif
#define resample_buffer(a, b, c) a > b ? ((a / 1000) / 2) * c : ((b / 1000) / 2) * c
SWITCH_DECLARE(switch_status_t) switch_resample_create(switch_audio_resampler_t **new_resampler,
int from_rate, switch_size_t from_size, int to_rate, uint32_t to_size, switch_memory_pool_t *pool)
{
@@ -74,9 +76,9 @@ SWITCH_DECLARE(switch_status_t) switch_resample_create(switch_audio_resampler_t
resampler->resampler = resample_open(QUALITY, resampler->factor, resampler->factor);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Activate Resampler %d->%d %f\n", resampler->from_rate, resampler->to_rate,
resampler->factor);
resampler->from_size = from_size;
resampler->from_size = resample_buffer(to_rate, from_rate, (uint32_t)from_size);
resampler->from = (float *) switch_core_alloc(pool, resampler->from_size);
resampler->to_size = to_size;
resampler->to_size = resample_buffer(to_rate, from_rate, (uint32_t)to_size); ;
resampler->to = (float *) switch_core_alloc(pool, resampler->to_size);
*new_resampler = resampler;