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A try to fix the expand function from Takashi

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This commit is contained in:
Jaroslav Kysela 2003-09-09 19:04:22 +00:00
parent 8ce502489c
commit 668a300229
1 changed files with 6 additions and 5 deletions
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11
src/pcm/pcm_rate.c
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@ -127,14 +127,15 @@ static snd_pcm_uframes_t snd_pcm_rate_expand(const snd_pcm_channel_area_t *dst_a
src_frames1 = 0; src_frames1 = 0;
dst_frames1 = 0; dst_frames1 = 0;
if (states->init) { if (states->init) {
new_sample = initial_sample(src, getidx); sample = initial_sample(src, getidx);
src_frames1++; src_frames1++;
states->init = 0; states->init = 0;
old_sample = new_sample = sample;
goto put_sample;
} }
while (dst_frames1 < dst_frames) { while (dst_frames1 < dst_frames && src_frames1 < src_frames) {
pos += DIV;
if (pos >= get_threshold) { if (pos >= get_threshold) {
if (src_frames1 == src_frames)
break;
old_sample = new_sample; old_sample = new_sample;
pos -= get_threshold; pos -= get_threshold;
goto *get; goto *get;
@ -147,6 +148,7 @@ static snd_pcm_uframes_t snd_pcm_rate_expand(const snd_pcm_channel_area_t *dst_a
src_frames1++; src_frames1++;
} }
sample = (((int64_t)old_sample * (int64_t)(get_threshold - pos)) + ((int64_t)new_sample * pos)) / get_threshold; sample = (((int64_t)old_sample * (int64_t)(get_threshold - pos)) + ((int64_t)new_sample * pos)) / get_threshold;
put_sample:
goto *put; goto *put;
#define PUT16_END after_put #define PUT16_END after_put
#include "plugin_ops.h" #include "plugin_ops.h"
@ -154,7 +156,6 @@ static snd_pcm_uframes_t snd_pcm_rate_expand(const snd_pcm_channel_area_t *dst_a
after_put: after_put:
dst += dst_step; dst += dst_step;
dst_frames1++; dst_frames1++;
pos += DIV;
} }
states->old_sample = old_sample; states->old_sample = old_sample;
states->new_sample = new_sample; states->new_sample = new_sample;