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Code Issues Releases Activity

avfilter/vf_waveform: optimize lowpass 8bit filter

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2016-03-27 23:29:38 +02:00
parent 0b9957c301
commit 48be92e5b6
1 changed files with 71 additions and 24 deletions
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95
libavfilter/vf_waveform.c
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@ -708,6 +708,22 @@ static av_always_inline void lowpass(WaveformContext *s,
envelope(s, out, plane, plane, column ? offset_x : offset_y);
}
#define LOWPASS_FUNC(name, column, mirror) \
static void lowpass_##name(WaveformContext *s, \
AVFrame *in, AVFrame *out, \
int component, int intensity, \
int offset_y, int offset_x, \
int unused1, int unused2) \
{ \
lowpass(s, in, out, component, intensity, \
offset_y, offset_x, column, mirror); \
}
LOWPASS_FUNC(column_mirror, 1, 1)
LOWPASS_FUNC(column, 1, 0)
LOWPASS_FUNC(row_mirror, 0, 1)
LOWPASS_FUNC(row, 0, 0)
static av_always_inline void flat16(WaveformContext *s,
AVFrame *in, AVFrame *out,
int component, int intensity,
@ -2397,30 +2413,61 @@ static int config_input(AVFilterLink *inlink)
s->graticulef = graticule_none;
switch (s->filter) {
case LOWPASS:
s->size = 256;
s->waveform = s->bits > 8 ? lowpass16 : lowpass;
break;
case FLAT:
s->size = 256 * 3;
s->waveform = s->bits > 8 ? flat16 : flat;
break;
case AFLAT:
s->size = 256 * 2;
s->waveform = s->bits > 8 ? aflat16 : aflat;
break;
case CHROMA:
s->size = 256;
s->waveform = s->bits > 8 ? chroma16 : chroma;
break;
case COLOR:
s->size = 256;
s->waveform = s->bits > 8 ? color16 : color;
break;
case ACOLOR:
s->size = 256;
s->waveform = s->bits > 8 ? acolor16 : acolor;
break;
case AFLAT: s->size = 256 * 2; break;
case FLAT: s->size = 256 * 3; break;
default: s->size = 256; break;
}
switch (s->filter | ((s->bits > 8) << 4) |
(s->mode << 8) | (s->mirror << 12)) {
case 0x1100: s->waveform = lowpass_column_mirror; break;
case 0x1000: s->waveform = lowpass_row_mirror; break;
case 0x0100: s->waveform = lowpass_column; break;
case 0x0000: s->waveform = lowpass_row; break;
case 0x1110:
case 0x1010:
case 0x0110:
case 0x0010: s->waveform = lowpass16; break;
case 0x1101:
case 0x1001:
case 0x0101:
case 0x0001: s->waveform = flat; break;
case 0x1111:
case 0x1011:
case 0x0111:
case 0x0011: s->waveform = flat16; break;
case 0x1102:
case 0x1002:
case 0x0102:
case 0x0002: s->waveform = aflat; break;
case 0x1112:
case 0x1012:
case 0x0112:
case 0x0012: s->waveform = aflat16; break;
case 0x1103:
case 0x1003:
case 0x0103:
case 0x0003: s->waveform = chroma; break;
case 0x1113:
case 0x1013:
case 0x0113:
case 0x0013: s->waveform = chroma16; break;
case 0x1104:
case 0x1004:
case 0x0104:
case 0x0004: s->waveform = color; break;
case 0x1114:
case 0x1014:
case 0x0114:
case 0x0014: s->waveform = color16; break;
case 0x1105:
case 0x1005:
case 0x0105:
case 0x0005: s->waveform = acolor; break;
case 0x1115:
case 0x1015:
case 0x0115:
case 0x0015: s->waveform = acolor16; break;
}
switch (s->filter) {