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avfilter/af_astats: rework sample loops

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The channel loop is now the outer loop for both planar and interleaved. This is
needed by the next patch, and the speed difference is negligable if any.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2019-03-01 23:48:04 +01:00
parent 235228ea50
commit 5cc4b79b29
1 changed files with 9 additions and 8 deletions
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17
libavfilter/af_astats.c
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@ -410,17 +410,18 @@ static void set_metadata(AudioStatsContext *s, AVDictionary **metadata)
for (int c = 0; c < channels; c++) { \
ChannelStats *p = &s->chstats[c]; \
const type *src = (const type *)data[c]; \
for (int i = 0; i < samples; i++, src++) \
const type * const srcend = src + samples; \
for (; src < srcend; src++) \
update_stat(s, p, double_sample, normalized_sample, int_sample); \
}
#define UPDATE_STATS_I(type, double_sample, normalized_sample, int_sample) \
{ \
const type *src = (const type *)data[0]; \
for (int i = 0; i < samples; i++) { \
for (int c = 0; c < channels; c++, src++) \
update_stat(s, &s->chstats[c], double_sample, normalized_sample, int_sample); \
} \
#define UPDATE_STATS_I(type, double_sample, normalized_sample, int_sample) \
for (int c = 0; c < channels; c++) { \
ChannelStats *p = &s->chstats[c]; \
const type *src = (const type *)data[0]; \
const type * const srcend = src + samples * channels; \
for (src += c; src < srcend; src += channels) \
update_stat(s, p, double_sample, normalized_sample, int_sample); \
}
#define UPDATE_STATS(planar, type, sample, normalizer_suffix, int_sample) \