diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2007-03-22 03:16:41 +0300 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2007-03-22 03:16:41 +0300 |
commit | 14f887efc61e95fc5b983dbb799ad9e0be50cfe2 (patch) | |
tree | 18f8c379ce3d65dd15592162cead07182787da91 /libavcodec | |
parent | 20cf58c32bda10537960048f4218fc50b803a1e9 (diff) |
select more sensible default windows (= attenuation beyond the dynamic range of your input is silly if it negatively affects other parameters)
Originally committed as revision 8473 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/resample2.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/resample2.c b/libavcodec/resample2.c index 10e98e580e..ebda7e5a8b 100644 --- a/libavcodec/resample2.c +++ b/libavcodec/resample2.c @@ -37,6 +37,7 @@ #define FELEM2 int32_t #define FELEM_MAX INT16_MAX #define FELEM_MIN INT16_MIN +#define WINDOW_TYPE 9 #else #define FILTER_SHIFT 30 @@ -44,6 +45,7 @@ #define FELEM2 int64_t #define FELEM_MAX INT32_MAX #define FELEM_MIN INT32_MIN +#define WINDOW_TYPE 12 #endif @@ -177,7 +179,7 @@ AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_size, c->filter_length= FFMAX((int)ceil(filter_size/factor), 1); c->filter_bank= av_mallocz(c->filter_length*(phase_count+1)*sizeof(FELEM)); - av_build_filter(c->filter_bank, factor, c->filter_length, phase_count, 1<<FILTER_SHIFT, 1); + av_build_filter(c->filter_bank, factor, c->filter_length, phase_count, 1<<FILTER_SHIFT, WINDOW_TYPE); memcpy(&c->filter_bank[c->filter_length*phase_count+1], c->filter_bank, (c->filter_length-1)*sizeof(FELEM)); c->filter_bank[c->filter_length*phase_count]= c->filter_bank[c->filter_length - 1]; |