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set more reasonable cutoff for audio rate conversion 

Originally committed as revision 8486 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-03-22 14:27:16 +00:00
parent 4ba67eeed5
commit 8ec04d344a
4 changed files with 17 additions and 16 deletions
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3
libavcodec/resample.c
View File

@ -161,7 +161,8 @@ ReSampleContext *audio_resample_init(int output_channels, int input_channels,
if(s->filter_channels>2)
s->filter_channels = 2;
s->resample_context= av_resample_init(output_rate, input_rate, 16, 10, 0, 1.0);
#define TAPS 16
s->resample_context= av_resample_init(output_rate, input_rate, TAPS, 10, 0, 0.8);
return s;
}

10
tests/ffmpeg.regression.ref
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@ -166,12 +166,12 @@ stddev: 10.98 PSNR:27.30 bytes:7602176
83f8df5d5f84480566af548bb037fceb *./data/out.wav
stddev:9330.70 PSNR:16.92 bytes:1054720
stddev:4396.13 PSNR:23.46 bytes:1052672
aefe11ab5067621a1c674859d6413891 *./data/a-ac3.rm
dd68110cb7e5388392f89d5160d3a825 *./data/a-ac3.rm
98203 ./data/a-ac3.rm
d3fff6ca152764d2c06e5cfcb314eff4 *./data/a-g726.wav
24280 ./data/a-g726.wav
2e59930d3078b2e8f9b5c9f5c5471c4f *./data/out.wav
stddev:8465.92 PSNR:17.77 bytes:96256
39878597b1d65cce473639a7d8c93b02 *./data/a-g726.wav
24279 ./data/a-g726.wav
888f2f016e608d044a1bacbca5497ed2 *./data/out.wav
stddev:8368.02 PSNR:17.87 bytes:96256
de3f0e1f50b19bd8572fdd3dee2e72c4 *./data/a-adpcm_ima.wav
266300 ./data/a-adpcm_ima.wav
60178d48204f5662d91776e36eddc82e *./data/out.wav

10
tests/libav.regression.ref
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@ -5,7 +5,7 @@ ffmpeg regression test
786446e80ead936e5faa8f5908f19281 *./data/b-libav.asf
339775 ./data/b-libav.asf
./data/b-libav.asf CRC=0x74113749
1ce78eeb6881ffe5b649a9b5105de919 *./data/b-libav.rm
1ad618e9fd318eb3483270cf9b9b3f43 *./data/b-libav.rm
355405 ./data/b-libav.rm
bdb7484c68db722f66ba1630cf79844c *./data/b-libav.mpg
378880 ./data/b-libav.mpg
@ -25,12 +25,12 @@ f8ad5bd78f4d012a8ce9570aa395ac54 *./data/b-libav.flv
16518706f425cb537362bfc1c58b8de5 *./data/b-libav.mov
366923 ./data/b-libav.mov
./data/b-libav.mov CRC=0x45079dca
8e9e0b1e7ceabc8640a5dfaf052d1675 *./data/b-libav.dv
7820fa85ab86c62028d8dbda94589573 *./data/b-libav.dv
3600000 ./data/b-libav.dv
./data/b-libav.dv CRC=0x39821db0
193ade994aa9512e326cbc237f480b28 *./data/b-libav.gxf
./data/b-libav.dv CRC=0xf517e829
feb04ba3cf4f607d5527664eb69ec72e *./data/b-libav.gxf
814640 ./data/b-libav.gxf
./data/b-libav.gxf CRC=0xaba4e1c5
./data/b-libav.gxf CRC=0xa376c09e
9a9da315747599f7718cc9a9a09c21ff *./data/b-libav.pbm
317075 ./data/b-libav.pbm
./data/b-libav.pbm CRC=0xb92906cb

10
tests/rotozoom.regression.ref
View File

@ -166,12 +166,12 @@ stddev: 3.44 PSNR:37.39 bytes:7602176
83f8df5d5f84480566af548bb037fceb *./data/out.wav
stddev:9330.70 PSNR:16.92 bytes:1054720
stddev:4396.13 PSNR:23.46 bytes:1052672
aefe11ab5067621a1c674859d6413891 *./data/a-ac3.rm
dd68110cb7e5388392f89d5160d3a825 *./data/a-ac3.rm
98203 ./data/a-ac3.rm
d3fff6ca152764d2c06e5cfcb314eff4 *./data/a-g726.wav
24280 ./data/a-g726.wav
2e59930d3078b2e8f9b5c9f5c5471c4f *./data/out.wav
stddev:8465.92 PSNR:17.77 bytes:96256
39878597b1d65cce473639a7d8c93b02 *./data/a-g726.wav
24279 ./data/a-g726.wav
888f2f016e608d044a1bacbca5497ed2 *./data/out.wav
stddev:8368.02 PSNR:17.87 bytes:96256
de3f0e1f50b19bd8572fdd3dee2e72c4 *./data/a-adpcm_ima.wav
266300 ./data/a-adpcm_ima.wav
60178d48204f5662d91776e36eddc82e *./data/out.wav