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| author | anders <anders@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-10-31 11:06:19 +0000 |
|---|---|---|
| committer | anders <anders@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-10-31 11:06:19 +0000 |
| commit | 437aa679375c2a9b0c5a55dcc2d169ab29a55178 (patch) | |
| tree | 107130864237ff5cc64ed44c079400346cee6180 /libaf/af_resample.c | |
| parent | 95760a746db5aceb0274a140eafc83b3294bea5c (diff) | |
| download | mpv-437aa679375c2a9b0c5a55dcc2d169ab29a55178.tar.bz2 mpv-437aa679375c2a9b0c5a55dcc2d169ab29a55178.tar.xz | |
Adding commandline options for filters and fixing stupid bug in cfg
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7999 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libaf/af_resample.c')
| -rw-r--r-- | libaf/af_resample.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libaf/af_resample.c b/libaf/af_resample.c index f27e845100..fb5e46c14a 100644 --- a/libaf/af_resample.c +++ b/libaf/af_resample.c @@ -69,6 +69,8 @@ typedef struct af_resample_s uint32_t i; // Number of new samples to put in x queue uint32_t dn; // Down sampling factor uint32_t up; // Up sampling factor + int sloppy; // Enable sloppy resampling to reduce memory usage + int fast; // Enable linear interpolation instead of filtering } af_resample_t; // Euclids algorithm for calculating Greatest Common Divisor GCD(a,b) @@ -222,6 +224,19 @@ static int control(struct af_instance_s* af, int cmd, void* arg) // Calculate up and down sampling factors d=gcd(af->data->rate,n->rate); + // If sloppy resampling is enabled limit the upsampling factor + if(s->sloppy && (af->data->rate/d > 5000)){ + int up=af->data->rate/2; + int dn=n->rate/2; + int m=2; + while(af->data->rate/(d*m) > 5000){ + d=gcd(up,dn); + up/=2; dn/=2; m*=2; + } + d*=m; + } + printf("\n%i %i %i\n",d,af->data->rate/d,n->rate/d); + // Check if the the design needs to be redone if(s->up != af->data->rate/d || s->dn != n->rate/d){ float* w; @@ -264,6 +279,12 @@ static int control(struct af_instance_s* af, int cmd, void* arg) af->mul.d = s->dn; return rv; } + case AF_CONTROL_COMMAND_LINE:{ + af_resample_t* s = (af_resample_t*)af->setup; + int rate=0; + sscanf((char*)arg,"%i:%i:%i",&rate,&(s->sloppy), &(s->fast)); + return af->control(af,AF_CONTROL_RESAMPLE,&rate); + } case AF_CONTROL_RESAMPLE: // Reinit must be called after this function has been called |