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avfilter/af_afir: increase max partition size

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pull/388/head
Paul B Mahol 2 years ago
parent 64ddf04460
commit 8906145cdf
2 changed files with 5 additions and 5 deletions
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  1. 4
      doc/filters.texi
  2. 6
      libavfilter/af_afir.c

4
doc/filters.texi
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@ -1752,12 +1752,12 @@ Set video stream frame rate. This option is used only when @var{response} is ena
@item minp
Set minimal partition size used for convolution. Default is @var{8192}.
Allowed range is from @var{1} to @var{32768}.
Allowed range is from @var{1} to @var{65536}.
Lower values decreases latency at cost of higher CPU usage.
@item maxp
Set maximal partition size used for convolution. Default is @var{8192}.
Allowed range is from @var{8} to @var{32768}.
Allowed range is from @var{8} to @var{65536}.
Lower values may increase CPU usage.
@item nbirs

6
libavfilter/af_afir.c
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@ -170,7 +170,7 @@ static int init_segment(AVFilterContext *ctx, AudioFIRSegment *seg,
if (!seg->tx || !seg->ctx || !seg->itx)
return AVERROR(ENOMEM);
seg->fft_length = part_size * 2 + 2;
seg->fft_length = (part_size + 1) * 2;
seg->part_size = part_size;
seg->block_size = FFALIGN(seg->fft_length, cpu_align);
seg->coeff_size = FFALIGN(seg->part_size + 1, cpu_align);
@ -677,8 +677,8 @@ static const AVOption afir_options[] = {
{ "channel", "set IR channel to display frequency response", OFFSET(ir_channel), AV_OPT_TYPE_INT, {.i64=0}, 0, 1024, VF },
{ "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "hd720"}, 0, 0, VF },
{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT32_MAX, VF },
{ "minp", "set min partition size", OFFSET(minp), AV_OPT_TYPE_INT, {.i64=8192}, 1, 32768, AF },
{ "maxp", "set max partition size", OFFSET(maxp), AV_OPT_TYPE_INT, {.i64=8192}, 8, 32768, AF },
{ "minp", "set min partition size", OFFSET(minp), AV_OPT_TYPE_INT, {.i64=8192}, 1, 65536, AF },
{ "maxp", "set max partition size", OFFSET(maxp), AV_OPT_TYPE_INT, {.i64=8192}, 8, 65536, AF },
{ "nbirs", "set number of input IRs",OFFSET(nb_irs),AV_OPT_TYPE_INT, {.i64=1}, 1, 32, AF },
{ "ir", "select IR", OFFSET(selir), AV_OPT_TYPE_INT, {.i64=0}, 0, 31, AFR },
{ "precision", "set processing precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, AF, "precision" },

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