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avfilter/vf_waveform: implement tint options

This commit is contained in:
Paul B Mahol 2019-12-28 19:50:33 +01:00
parent b3216f13ce
commit 6399eed48a
3 changed files with 182 additions and 82 deletions
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6
doc/filters.texi
View File

@ -19689,6 +19689,12 @@ Default is digital.
@item bgopacity, b
Set background opacity.
@item tint0, t0
@item tint1, t1
Set tint for output.
Only used with lowpass filter and when display is not overlay and input
pixel formats are not RGB.
@end table
@section weave, doubleweave

158
libavfilter/vf_waveform.c
View File

@ -112,6 +112,8 @@ typedef struct WaveformContext {
GraticuleLines *glines;
int nb_glines;
int rgb;
float ftint[2];
int tint[2];
int (*waveform_slice)(AVFilterContext *ctx, void *arg,
int jobnr, int nb_jobs);
@ -179,6 +181,10 @@ static const AVOption waveform_options[] = {
{ "ire", NULL, 0, AV_OPT_TYPE_CONST, {.i64=IRE}, 0, 0, FLAGS, "scale" },
{ "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
{ "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
{ "tint0", "set 1st tint", OFFSET(ftint[0]), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, FLAGS},
{ "t0", "set 1st tint", OFFSET(ftint[0]), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, FLAGS},
{ "tint1", "set 2nd tint", OFFSET(ftint[1]), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, FLAGS},
{ "t1", "set 2nd tint", OFFSET(ftint[1]), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, FLAGS},
{ NULL }
};
@ -678,10 +684,11 @@ static av_always_inline void lowpass16(WaveformContext *s,
int jobnr, int nb_jobs)
{
const int plane = s->desc->comp[component].plane;
const int dplane = (s->rgb || s->display == OVERLAY) ? plane : 0;
const int shift_w = s->shift_w[component];
const int shift_h = s->shift_h[component];
const int src_linesize = in->linesize[plane] / 2;
const int dst_linesize = out->linesize[plane] / 2;
const int dst_linesize = out->linesize[dplane] / 2;
const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1);
const int limit = s->max - 1;
const int max = limit - intensity;
@ -693,7 +700,7 @@ static av_always_inline void lowpass16(WaveformContext *s,
const int slicew_end = column ? (src_w * (jobnr+1)) / nb_jobs : src_w;
const int step = column ? 1 << shift_w : 1 << shift_h;
const uint16_t *src_data = (const uint16_t *)in->data[plane] + sliceh_start * src_linesize;
uint16_t *dst_data = (uint16_t *)out->data[plane] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
uint16_t *dst_data = (uint16_t *)out->data[dplane] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
uint16_t * const dst_bottom_line = dst_data + dst_linesize * (s->size - 1);
uint16_t * const dst_line = (mirror ? dst_bottom_line : dst_data);
const uint16_t *p;
@ -730,6 +737,56 @@ static av_always_inline void lowpass16(WaveformContext *s,
src_data += src_linesize;
dst_data += dst_linesize * step;
}
if (s->display != OVERLAY && column && !s->rgb) {
const int mult = s->max / 256;
const int bg = s->bg_color[0] * mult;
const int t0 = s->tint[0];
const int t1 = s->tint[1];
uint16_t *dst0, *dst1;
const uint16_t *src;
int x;
src = (const uint16_t *)(out->data[0]) + offset_y * dst_linesize + offset_x;
dst0 = (uint16_t *)(out->data[1]) + offset_y * dst_linesize + offset_x;
dst1 = (uint16_t *)(out->data[2]) + offset_y * dst_linesize + offset_x;
for (y = 0; y < s->max; y++) {
for (x = slicew_start * step; x < slicew_end * step; x++) {
if (src[x] != bg) {
dst0[x] = t0;
dst1[x] = t1;
}
}
src += dst_linesize;
dst0 += dst_linesize;
dst1 += dst_linesize;
}
} else if (s->display != OVERLAY && !s->rgb) {
const int mult = s->max / 256;
const int bg = s->bg_color[0] * mult;
const int t0 = s->tint[0];
const int t1 = s->tint[1];
uint16_t *dst0, *dst1;
const uint16_t *src;
int x;
src = (const uint16_t *)out->data[0] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
dst0 = (uint16_t *)(out->data[1]) + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
dst1 = (uint16_t *)(out->data[2]) + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
for (y = sliceh_start * step; y < sliceh_end * step; y++) {
for (x = 0; x < s->max; x++) {
if (src[x] != bg) {
dst0[x] = t0;
dst1[x] = t1;
}
}
src += dst_linesize;
dst0 += dst_linesize;
dst1 += dst_linesize;
}
}
}
#define LOWPASS16_FUNC(name, column, mirror) \
@ -765,10 +822,11 @@ static av_always_inline void lowpass(WaveformContext *s,
int jobnr, int nb_jobs)
{
const int plane = s->desc->comp[component].plane;
const int dplane = (s->rgb || s->display == OVERLAY) ? plane : 0;
const int shift_w = s->shift_w[component];
const int shift_h = s->shift_h[component];
const int src_linesize = in->linesize[plane];
const int dst_linesize = out->linesize[plane];
const int dst_linesize = out->linesize[dplane];
const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1);
const int max = 255 - intensity;
const int src_h = AV_CEIL_RSHIFT(in->height, shift_h);
@ -779,7 +837,7 @@ static av_always_inline void lowpass(WaveformContext *s,
const int slicew_end = column ? (src_w * (jobnr+1)) / nb_jobs : src_w;
const int step = column ? 1 << shift_w : 1 << shift_h;
const uint8_t *src_data = in->data[plane] + sliceh_start * src_linesize;
uint8_t *dst_data = out->data[plane] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
uint8_t *dst_data = out->data[dplane] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
uint8_t * const dst_bottom_line = dst_data + dst_linesize * (s->size - 1);
uint8_t * const dst_line = (mirror ? dst_bottom_line : dst_data);
const uint8_t *p;
@ -794,48 +852,76 @@ static av_always_inline void lowpass(WaveformContext *s,
for (p = src_data + slicew_start; p < src_data_end; p++) {
uint8_t *target;
int i = 0;
if (column) {
target = dst + dst_signed_linesize * *p;
dst += step;
update(target, max, intensity);
do {
target = dst++ + dst_signed_linesize * *p;
update(target, max, intensity);
} while (++i < step);
} else {
uint8_t *row = dst_data;
if (mirror)
target = row - *p - 1;
else
target = row + *p;
update(target, max, intensity);
row += dst_linesize;
do {
if (mirror)
target = row - *p - 1;
else
target = row + *p;
update(target, max, intensity);
row += dst_linesize;
} while (++i < step);
}
}
src_data += src_linesize;
dst_data += dst_linesize * step;
}
if (column && step > 1) {
if (s->display != OVERLAY && column && !s->rgb) {
const int bg = s->bg_color[0];
const int dst_h = 256;
uint8_t *dst;
int x, z;
const int t0 = s->tint[0];
const int t1 = s->tint[1];
uint8_t *dst0, *dst1;
const uint8_t *src;
int x;
dst = out->data[plane] + offset_y * dst_linesize + offset_x;
src = out->data[0] + offset_y * dst_linesize + offset_x;
dst0 = out->data[1] + offset_y * dst_linesize + offset_x;
dst1 = out->data[2] + offset_y * dst_linesize + offset_x;
for (y = 0; y < dst_h; y++) {
for (x = slicew_start * step; x < slicew_end * step; x+=step) {
for (z = 1; z < step; z++) {
dst[x + z] = dst[x];
for (x = slicew_start * step; x < slicew_end * step; x++) {
if (src[x] != bg) {
dst0[x] = t0;
dst1[x] = t1;
}
}
dst += dst_linesize;
}
} else if (step > 1) {
const int dst_w = 256;
uint8_t *dst;
int z;
dst = out->data[plane] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
for (y = sliceh_start * step; y < sliceh_end * step; y+=step) {
for (z = 1; z < step; z++)
memcpy(dst + dst_linesize * z, dst, dst_w);
dst += dst_linesize * step;
src += dst_linesize;
dst0 += dst_linesize;
dst1 += dst_linesize;
}
} else if (s->display != OVERLAY && !s->rgb) {
const int bg = s->bg_color[0];
const int dst_w = 256;
const int t0 = s->tint[0];
const int t1 = s->tint[1];
uint8_t *dst0, *dst1;
const uint8_t *src;
int x;
src = out->data[0] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
dst0 = out->data[1] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
dst1 = out->data[2] + (offset_y + sliceh_start * step) * dst_linesize + offset_x;
for (y = sliceh_start * step; y < sliceh_end * step; y++) {
for (x = 0; x < dst_w; x++) {
if (src[x] != bg) {
dst0[x] = t0;
dst1[x] = t1;
}
}
src += dst_linesize;
dst0 += dst_linesize;
dst1 += dst_linesize;
}
}
}
@ -3198,6 +3284,9 @@ static int config_input(AVFilterLink *inlink)
s->size = s->size << (s->bits - 8);
s->tint[0] = .5f * (s->ftint[0] + 1.f) * (s->size - 1);
s->tint[1] = .5f * (s->ftint[1] + 1.f) * (s->size - 1);
switch (inlink->format) {
case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GBRP:
@ -3334,10 +3423,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
td.offset_x = offset_x;
ctx->internal->execute(ctx, s->waveform_slice, &td, NULL, ff_filter_get_nb_threads(ctx));
switch (s->filter) {
case LOWPASS:
if (s->bits <= 8)
envelope(s, out, plane, s->rgb || s->display == OVERLAY ? plane : 0, s->mode ? offset_x : offset_y);
else
envelope16(s, out, plane, s->rgb || s->display == OVERLAY ? plane : 0, s->mode ? offset_x : offset_y);
break;
case ACOLOR:
case CHROMA:
case COLOR:
case LOWPASS:
if (s->bits <= 8)
envelope(s, out, plane, plane, s->mode ? offset_x : offset_y);
else

100
tests/ref/fate/filter-waveform_uv
View File

@ -3,53 +3,53 @@
#codec_id 0: rawvideo
#dimensions 0: 352x512
#sar 0: 1/1
0, 0, 0, 1, 540672, 0x8a2521d6
0, 1, 1, 1, 540672, 0xb9a321d6
0, 2, 2, 1, 540672, 0x325421d6
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