[FFmpeg-cvslog] swresample: Choose 16bit internally only if input and output is 16bit or less

Michael Niedermayer git at videolan.org
Sun Jun 21 17:52:05 CEST 2015


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Jun 21 16:29:09 2015 +0200| [4977692461f05eb205fc8c62f48d5dcebb52c6fb] | committer: Michael Niedermayer

swresample: Choose 16bit internally only if input and output is 16bit or less

or if no rematrix and no resampling is performed and the input is 16bit
note reampling and rematrix itself always use more than 16bit internally
the "internal" sampling format is the format between these steps

Its unlikely the difference from this commit is audible in any case
unless there is some bug either before or after the change.
but multiple people prefer this and it slightly improves the precission
of computations.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4977692461f05eb205fc8c62f48d5dcebb52c6fb
---

 libswresample/swresample.c   |    8 ++-
 tests/fate/libswresample.mak |  125 +++++++++++++++++++++---------------------
 2 files changed, 70 insertions(+), 63 deletions(-)

diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index ab02bac..5a43371 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -210,7 +210,13 @@ av_cold int swr_init(struct SwrContext *s){
                  s->rematrix_custom;
 
     if(s->int_sample_fmt == AV_SAMPLE_FMT_NONE){
-        if(av_get_planar_sample_fmt(s->in_sample_fmt) <= AV_SAMPLE_FMT_S16P){
+        if(   av_get_planar_sample_fmt(s-> in_sample_fmt) <= AV_SAMPLE_FMT_S16P
+           && av_get_planar_sample_fmt(s->out_sample_fmt) <= AV_SAMPLE_FMT_S16P){
+            s->int_sample_fmt= AV_SAMPLE_FMT_S16P;
+        }else if(   av_get_planar_sample_fmt(s-> in_sample_fmt) <= AV_SAMPLE_FMT_S16P
+           && !s->rematrix
+           && s->out_sample_rate==s->in_sample_rate
+           && !(s->flags & SWR_FLAG_RESAMPLE)){
             s->int_sample_fmt= AV_SAMPLE_FMT_S16P;
         }else if(   av_get_planar_sample_fmt(s-> in_sample_fmt) == AV_SAMPLE_FMT_S32P
                  && av_get_planar_sample_fmt(s->out_sample_fmt) == AV_SAMPLE_FMT_S32P
diff --git a/tests/fate/libswresample.mak b/tests/fate/libswresample.mak
index 24b7d66..e48170d 100644
--- a/tests/fate/libswresample.mak
+++ b/tests/fate/libswresample.mak
@@ -26,124 +26,124 @@ endef
 #you can use this if you need to update it!
 #make -k  `make fate-list | grep swr` | egrep 'TEST|stddev' | tr '\n' '@' | sed 's#TEST *\([^@]*\)@stddev: *\([0-9.]*\)[^b@]*bytes: *\([0-9]*\) */ *\([0-9]*\)@#fate-\1: CMP_TARGET = \2 at fate-\1: SIZE_TOLERANCE = \3 - \4@@#g' | tr '@' '\n'
 
-fate-swr-resample-dblp-2626-44100: CMP_TARGET = 1393.01
+fate-swr-resample-dblp-2626-44100: CMP_TARGET = 1352.68
 fate-swr-resample-dblp-2626-44100: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-dblp-2626-48000: CMP_TARGET = 1393.01
+fate-swr-resample-dblp-2626-48000: CMP_TARGET = 1352.65
 fate-swr-resample-dblp-2626-48000: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-dblp-2626-8000: CMP_TARGET = 1393.90
+fate-swr-resample-dblp-2626-8000: CMP_TARGET = 1353.08
 fate-swr-resample-dblp-2626-8000: SIZE_TOLERANCE = 31512 - 20482
 
-fate-swr-resample-dblp-2626-96000: CMP_TARGET = 1393.01
+fate-swr-resample-dblp-2626-96000: CMP_TARGET = 1352.67
 fate-swr-resample-dblp-2626-96000: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-dblp-44100-2626: CMP_TARGET = 185.84
+fate-swr-resample-dblp-44100-2626: CMP_TARGET = 185.82
 fate-swr-resample-dblp-44100-2626: SIZE_TOLERANCE = 529200 - 20490
 
 fate-swr-resample-dblp-44100-48000: CMP_TARGET = 9.70
 fate-swr-resample-dblp-44100-48000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample-dblp-44100-8000: CMP_TARGET = 75.46
+fate-swr-resample-dblp-44100-8000: CMP_TARGET = 75.45
 fate-swr-resample-dblp-44100-8000: SIZE_TOLERANCE = 529200 - 20486
 
 fate-swr-resample-dblp-44100-96000: CMP_TARGET = 11.47
 fate-swr-resample-dblp-44100-96000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample-dblp-48000-2626: CMP_TARGET = 456.55
+fate-swr-resample-dblp-48000-2626: CMP_TARGET = 456.51
 fate-swr-resample-dblp-48000-2626: SIZE_TOLERANCE = 576000 - 20510
 
-fate-swr-resample-dblp-48000-44100: CMP_TARGET = 1.16
+fate-swr-resample-dblp-48000-44100: CMP_TARGET = 1.02
 fate-swr-resample-dblp-48000-44100: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample-dblp-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample-dblp-48000-8000: CMP_TARGET = 62.38
 fate-swr-resample-dblp-48000-8000: SIZE_TOLERANCE = 576000 - 20484
 
 fate-swr-resample-dblp-48000-96000: CMP_TARGET = 0.47
 fate-swr-resample-dblp-48000-96000: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample-dblp-8000-2626: CMP_TARGET = 2506.01
+fate-swr-resample-dblp-8000-2626: CMP_TARGET = 2506.02
 fate-swr-resample-dblp-8000-2626: SIZE_TOLERANCE = 96000 - 20486
 
 fate-swr-resample-dblp-8000-44100: CMP_TARGET = 15.09
 fate-swr-resample-dblp-8000-44100: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-dblp-8000-48000: CMP_TARGET = 14.68
+fate-swr-resample-dblp-8000-48000: CMP_TARGET = 14.69
 fate-swr-resample-dblp-8000-48000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-dblp-8000-96000: CMP_TARGET = 13.82
+fate-swr-resample-dblp-8000-96000: CMP_TARGET = 13.81
 fate-swr-resample-dblp-8000-96000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-dblp-96000-2626: CMP_TARGET = 675.14
+fate-swr-resample-dblp-96000-2626: CMP_TARGET = 675.08
 fate-swr-resample-dblp-96000-2626: SIZE_TOLERANCE = 1152000 - 20474
 
-fate-swr-resample-dblp-96000-44100: CMP_TARGET = 1.58
+fate-swr-resample-dblp-96000-44100: CMP_TARGET = 1.45
 fate-swr-resample-dblp-96000-44100: SIZE_TOLERANCE = 1152000 - 20480
 
-fate-swr-resample-dblp-96000-48000: CMP_TARGET = 1.04
+fate-swr-resample-dblp-96000-48000: CMP_TARGET = 1.00
 fate-swr-resample-dblp-96000-48000: SIZE_TOLERANCE = 1152000 - 20480
 
-fate-swr-resample-dblp-96000-8000: CMP_TARGET = 58.60
+fate-swr-resample-dblp-96000-8000: CMP_TARGET = 58.57
 fate-swr-resample-dblp-96000-8000: SIZE_TOLERANCE = 1152000 - 20496
 
-fate-swr-resample-fltp-2626-44100: CMP_TARGET = 1393.01
+fate-swr-resample-fltp-2626-44100: CMP_TARGET = 1352.68
 fate-swr-resample-fltp-2626-44100: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-fltp-2626-48000: CMP_TARGET = 1393.01
+fate-swr-resample-fltp-2626-48000: CMP_TARGET = 1352.65
 fate-swr-resample-fltp-2626-48000: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-fltp-2626-8000: CMP_TARGET = 1393.90
+fate-swr-resample-fltp-2626-8000: CMP_TARGET = 1353.08
 fate-swr-resample-fltp-2626-8000: SIZE_TOLERANCE = 31512 - 20482
 
-fate-swr-resample-fltp-2626-96000: CMP_TARGET = 1393.01
+fate-swr-resample-fltp-2626-96000: CMP_TARGET = 1352.67
 fate-swr-resample-fltp-2626-96000: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-fltp-44100-2626: CMP_TARGET = 185.84
+fate-swr-resample-fltp-44100-2626: CMP_TARGET = 185.82
 fate-swr-resample-fltp-44100-2626: SIZE_TOLERANCE = 529200 - 20490
 
 fate-swr-resample-fltp-44100-48000: CMP_TARGET = 9.70
 fate-swr-resample-fltp-44100-48000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample-fltp-44100-8000: CMP_TARGET = 75.46
+fate-swr-resample-fltp-44100-8000: CMP_TARGET = 75.45
 fate-swr-resample-fltp-44100-8000: SIZE_TOLERANCE = 529200 - 20486
 
 fate-swr-resample-fltp-44100-96000: CMP_TARGET = 11.47
 fate-swr-resample-fltp-44100-96000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample-fltp-48000-2626: CMP_TARGET = 456.55
+fate-swr-resample-fltp-48000-2626: CMP_TARGET = 456.51
 fate-swr-resample-fltp-48000-2626: SIZE_TOLERANCE = 576000 - 20510
 
-fate-swr-resample-fltp-48000-44100: CMP_TARGET = 1.16
+fate-swr-resample-fltp-48000-44100: CMP_TARGET = 1.02
 fate-swr-resample-fltp-48000-44100: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample-fltp-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample-fltp-48000-8000: CMP_TARGET = 62.38
 fate-swr-resample-fltp-48000-8000: SIZE_TOLERANCE = 576000 - 20484
 
 fate-swr-resample-fltp-48000-96000: CMP_TARGET = 0.47
 fate-swr-resample-fltp-48000-96000: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample-fltp-8000-2626: CMP_TARGET = 2506.01
+fate-swr-resample-fltp-8000-2626: CMP_TARGET = 2506.02
 fate-swr-resample-fltp-8000-2626: SIZE_TOLERANCE = 96000 - 20486
 
 fate-swr-resample-fltp-8000-44100: CMP_TARGET = 15.09
 fate-swr-resample-fltp-8000-44100: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-fltp-8000-48000: CMP_TARGET = 14.68
+fate-swr-resample-fltp-8000-48000: CMP_TARGET = 14.69
 fate-swr-resample-fltp-8000-48000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-fltp-8000-96000: CMP_TARGET = 13.82
+fate-swr-resample-fltp-8000-96000: CMP_TARGET = 13.81
 fate-swr-resample-fltp-8000-96000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-fltp-96000-2626: CMP_TARGET = 675.14
+fate-swr-resample-fltp-96000-2626: CMP_TARGET = 675.08
 fate-swr-resample-fltp-96000-2626: SIZE_TOLERANCE = 1152000 - 20474
 
-fate-swr-resample-fltp-96000-44100: CMP_TARGET = 1.58
+fate-swr-resample-fltp-96000-44100: CMP_TARGET = 1.45
 fate-swr-resample-fltp-96000-44100: SIZE_TOLERANCE = 1152000 - 20480
 
-fate-swr-resample-fltp-96000-48000: CMP_TARGET = 1.04
+fate-swr-resample-fltp-96000-48000: CMP_TARGET = 1.00
 fate-swr-resample-fltp-96000-48000: SIZE_TOLERANCE = 1152000 - 20480
 
-fate-swr-resample-fltp-96000-8000: CMP_TARGET = 58.60
+fate-swr-resample-fltp-96000-8000: CMP_TARGET = 58.57
 fate-swr-resample-fltp-96000-8000: SIZE_TOLERANCE = 1152000 - 20496
 
 fate-swr-resample-s16p-2626-44100: CMP_TARGET = 1393.01
@@ -209,63 +209,64 @@ fate-swr-resample-s16p-96000-8000: SIZE_TOLERANCE = 1152000 - 20496
 fate-swr-resample-s32p-2626-44100: CMP_TARGET = 1393.01
 fate-swr-resample-s32p-2626-44100: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-s32p-2626-48000: CMP_TARGET = 1393.01
+fate-swr-resample-s32p-2626-48000: CMP_TARGET = 1392.99
 fate-swr-resample-s32p-2626-48000: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-s32p-2626-8000: CMP_TARGET = 1393.90
+fate-swr-resample-s32p-2626-8000: CMP_TARGET = 1393.89
 fate-swr-resample-s32p-2626-8000: SIZE_TOLERANCE = 31512 - 20482
 
-fate-swr-resample-s32p-2626-96000: CMP_TARGET = 1393.01
+fate-swr-resample-s32p-2626-96000: CMP_TARGET = 1393.00
 fate-swr-resample-s32p-2626-96000: SIZE_TOLERANCE = 31512 - 20480
 
-fate-swr-resample-s32p-44100-2626: CMP_TARGET = 185.84
+fate-swr-resample-s32p-44100-2626: CMP_TARGET = 185.82
 fate-swr-resample-s32p-44100-2626: SIZE_TOLERANCE = 529200 - 20490
 
 fate-swr-resample-s32p-44100-48000: CMP_TARGET = 9.70
 fate-swr-resample-s32p-44100-48000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample-s32p-44100-8000: CMP_TARGET = 75.46
+fate-swr-resample-s32p-44100-8000: CMP_TARGET = 75.45
 fate-swr-resample-s32p-44100-8000: SIZE_TOLERANCE = 529200 - 20486
 
 fate-swr-resample-s32p-44100-96000: CMP_TARGET = 11.47
 fate-swr-resample-s32p-44100-96000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample-s32p-48000-2626: CMP_TARGET = 456.55
+fate-swr-resample-s32p-48000-2626: CMP_TARGET = 456.51
 fate-swr-resample-s32p-48000-2626: SIZE_TOLERANCE = 576000 - 20510
 
-fate-swr-resample-s32p-48000-44100: CMP_TARGET = 1.16
+fate-swr-resample-s32p-48000-44100: CMP_TARGET = 1.02
 fate-swr-resample-s32p-48000-44100: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample-s32p-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample-s32p-48000-8000: CMP_TARGET = 62.38
 fate-swr-resample-s32p-48000-8000: SIZE_TOLERANCE = 576000 - 20484
 
 fate-swr-resample-s32p-48000-96000: CMP_TARGET = 0.47
 fate-swr-resample-s32p-48000-96000: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample-s32p-8000-2626: CMP_TARGET = 2506.01
+fate-swr-resample-s32p-8000-2626: CMP_TARGET = 2506.02
 fate-swr-resample-s32p-8000-2626: SIZE_TOLERANCE = 96000 - 20486
 
 fate-swr-resample-s32p-8000-44100: CMP_TARGET = 15.09
 fate-swr-resample-s32p-8000-44100: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-s32p-8000-48000: CMP_TARGET = 14.68
+fate-swr-resample-s32p-8000-48000: CMP_TARGET = 14.69
 fate-swr-resample-s32p-8000-48000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-s32p-8000-96000: CMP_TARGET = 13.82
+fate-swr-resample-s32p-8000-96000: CMP_TARGET = 13.81
 fate-swr-resample-s32p-8000-96000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample-s32p-96000-2626: CMP_TARGET = 675.14
+fate-swr-resample-s32p-96000-2626: CMP_TARGET = 675.08
 fate-swr-resample-s32p-96000-2626: SIZE_TOLERANCE = 1152000 - 20474
 
-fate-swr-resample-s32p-96000-44100: CMP_TARGET = 1.58
+fate-swr-resample-s32p-96000-44100: CMP_TARGET = 1.45
 fate-swr-resample-s32p-96000-44100: SIZE_TOLERANCE = 1152000 - 20480
 
-fate-swr-resample-s32p-96000-48000: CMP_TARGET = 1.04
+fate-swr-resample-s32p-96000-48000: CMP_TARGET = 1.00
 fate-swr-resample-s32p-96000-48000: SIZE_TOLERANCE = 1152000 - 20480
 
-fate-swr-resample-s32p-96000-8000: CMP_TARGET = 58.60
+fate-swr-resample-s32p-96000-8000: CMP_TARGET = 58.57
 fate-swr-resample-s32p-96000-8000: SIZE_TOLERANCE = 1152000 - 20496
 
+
 define ARESAMPLE_LIN
 FATE_SWR_RESAMPLE += fate-swr-resample_lin-$(3)-$(1)-$(2)
 fate-swr-resample_lin-$(3)-$(1)-$(2): tests/data/asynth-$(1)-1.wav
@@ -277,58 +278,58 @@ fate-swr-resample_lin-$(3)-$(1)-$(2): FUZZ = 0.1
 fate-swr-resample_lin-$(3)-$(1)-$(2): REF = tests/data/asynth-$(1)-1.wav
 endef
 
-fate-swr-resample_lin-s16p-8000-44100: CMP_TARGET = 14.63
+fate-swr-resample_lin-s16p-8000-44100: CMP_TARGET = 14.61
 fate-swr-resample_lin-s16p-8000-44100: SIZE_TOLERANCE = 96000 - 20480
 
 fate-swr-resample_lin-s16p-8000-48000: CMP_TARGET = 14.53
 fate-swr-resample_lin-s16p-8000-48000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample_lin-s16p-44100-8000: CMP_TARGET = 75.45
+fate-swr-resample_lin-s16p-44100-8000: CMP_TARGET = 75.41
 fate-swr-resample_lin-s16p-44100-8000: SIZE_TOLERANCE = 529200 - 20486
 
-fate-swr-resample_lin-s16p-44100-48000: CMP_TARGET = 9.68
+fate-swr-resample_lin-s16p-44100-48000: CMP_TARGET = 9.66
 fate-swr-resample_lin-s16p-44100-48000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample_lin-s16p-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample_lin-s16p-48000-8000: CMP_TARGET = 62.39
 fate-swr-resample_lin-s16p-48000-8000: SIZE_TOLERANCE = 576000 - 20484
 
 fate-swr-resample_lin-s16p-48000-44100: CMP_TARGET = 0.68
 fate-swr-resample_lin-s16p-48000-44100: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample_lin-fltp-8000-44100: CMP_TARGET = 14.61
+fate-swr-resample_lin-fltp-8000-44100: CMP_TARGET = 14.59
 fate-swr-resample_lin-fltp-8000-44100: SIZE_TOLERANCE = 96000 - 20480
 
 fate-swr-resample_lin-fltp-8000-48000: CMP_TARGET = 14.50
 fate-swr-resample_lin-fltp-8000-48000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample_lin-fltp-44100-8000: CMP_TARGET = 75.45
+fate-swr-resample_lin-fltp-44100-8000: CMP_TARGET = 75.38
 fate-swr-resample_lin-fltp-44100-8000: SIZE_TOLERANCE = 529200 - 20486
 
-fate-swr-resample_lin-fltp-44100-48000: CMP_TARGET = 9.67
+fate-swr-resample_lin-fltp-44100-48000: CMP_TARGET = 9.65
 fate-swr-resample_lin-fltp-44100-48000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample_lin-fltp-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample_lin-fltp-48000-8000: CMP_TARGET = 62.36
 fate-swr-resample_lin-fltp-48000-8000: SIZE_TOLERANCE = 576000 - 20484
 
-fate-swr-resample_lin-fltp-48000-44100: CMP_TARGET = 0.63
+fate-swr-resample_lin-fltp-48000-44100: CMP_TARGET = 0.26
 fate-swr-resample_lin-fltp-48000-44100: SIZE_TOLERANCE = 576000 - 20480
 
-fate-swr-resample_lin-dblp-8000-44100: CMP_TARGET = 14.61
+fate-swr-resample_lin-dblp-8000-44100: CMP_TARGET = 14.59
 fate-swr-resample_lin-dblp-8000-44100: SIZE_TOLERANCE = 96000 - 20480
 
 fate-swr-resample_lin-dblp-8000-48000: CMP_TARGET = 14.50
 fate-swr-resample_lin-dblp-8000-48000: SIZE_TOLERANCE = 96000 - 20480
 
-fate-swr-resample_lin-dblp-44100-8000: CMP_TARGET = 75.45
+fate-swr-resample_lin-dblp-44100-8000: CMP_TARGET = 75.38
 fate-swr-resample_lin-dblp-44100-8000: SIZE_TOLERANCE = 529200 - 20486
 
-fate-swr-resample_lin-dblp-44100-48000: CMP_TARGET = 9.67
+fate-swr-resample_lin-dblp-44100-48000: CMP_TARGET = 9.65
 fate-swr-resample_lin-dblp-44100-48000: SIZE_TOLERANCE = 529200 - 20482
 
-fate-swr-resample_lin-dblp-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample_lin-dblp-48000-8000: CMP_TARGET = 62.36
 fate-swr-resample_lin-dblp-48000-8000: SIZE_TOLERANCE = 576000 - 20484
 
-fate-swr-resample_lin-dblp-48000-44100: CMP_TARGET = 0.63
+fate-swr-resample_lin-dblp-48000-44100: CMP_TARGET = 0.26
 fate-swr-resample_lin-dblp-48000-44100: SIZE_TOLERANCE = 576000 - 20480
 
 define ARESAMPLE_NN
@@ -365,7 +366,7 @@ fate-swr-resample_async-$(3)-$(1)-$(2): FUZZ = 0.1
 fate-swr-resample_async-$(3)-$(1)-$(2): REF = tests/data/asynth-$(1)-1.wav
 endef
 
-fate-swr-resample_async-fltp-44100-8000: CMP_TARGET = 4031.60
+fate-swr-resample_async-fltp-44100-8000: CMP_TARGET = 4031.48
 fate-swr-resample_async-fltp-44100-8000: SIZE_TOLERANCE = 529200 - 20310
 
 fate-swr-resample_async-fltp-8000-44100: CMP_TARGET = 11185.34



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