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ffmpeg.wasm-core
Commit 681f8336 authored by Paul B Mahol's avatar Paul B Mahol
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avfilter/vf_waveform add support for other scalers for graticule 

Signed-off-by: 's avatarPaul B Mahol <onemda@gmail.com>
parent 2540d884
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Showing with 169 additions and 29 deletions
doc/filters.texi
View file @ 681f8336
......@@ -13189,6 +13189,16 @@ Draw numbers above lines. By default enabled.
@item dots
Draw dots instead of lines.
@end table
@item scale, s
Set scale used for displaying graticule.
@table @samp
@item digital
@item millivolts
@item ire
@end table
Default is digital.
@end table
@section xbr
......
libavfilter/vf_waveform.c
View file @ 681f8336
......@@ -39,6 +39,22 @@ enum FilterType {
NB_FILTERS
};
enum ScaleType {
DIGITAL,
MILLIVOLTS,
IRE,
NB_SCALES
};
typedef struct GraticuleLine {
const char *name;
uint16_t pos;
} GraticuleLine;
typedef struct GraticuleLines {
struct GraticuleLine line[4];
} GraticuleLines;
typedef struct WaveformContext {
const AVClass *class;
int mode;
......@@ -62,6 +78,9 @@ typedef struct WaveformContext {
int bits;
int max;
int size;
int scale;
GraticuleLines *glines;
int nb_glines;
void (*waveform)(struct WaveformContext *s, AVFrame *in, AVFrame *out,
int component, int intensity, int offset, int column);
void (*graticulef)(struct WaveformContext *s, AVFrame *out);
......@@ -110,6 +129,11 @@ static const AVOption waveform_options[] = {
{ "fl", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, 3, FLAGS, "flags" },
{ "numbers", "draw numbers", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "flags" },
{ "dots", "draw dots instead of lines", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "flags" },
{ "scale", "set scale", OFFSET(scale), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_SCALES-1, FLAGS, "scale" },
{ "s", "set scale", OFFSET(scale), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_SCALES-1, FLAGS, "scale" },
{ "digital", NULL, 0, AV_OPT_TYPE_CONST, {.i64=DIGITAL}, 0, 0, FLAGS, "scale" },
{ "ire", NULL, 0, AV_OPT_TYPE_CONST, {.i64=IRE}, 0, 0, FLAGS, "scale" },
{ "millivolts", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MILLIVOLTS}, 0, 0, FLAGS, "scale" },
{ NULL }
};
......@@ -1200,7 +1224,82 @@ static void color(WaveformContext *s, AVFrame *in, AVFrame *out,
static const uint8_t black_yuva_color[4] = { 0, 127, 127, 255 };
static const uint8_t green_yuva_color[4] = { 255, 0, 0, 255 };
static const uint8_t black_gbrp_color[4] = { 0, 0, 0, 255 };
static const uint8_t lines[4][2] = { { 16, 235 }, { 16, 240 }, { 16, 240 }, { 0, 255 } };
static const GraticuleLines digital8[] = {
{ { { "16", 16 }, { "16", 16 }, { "16", 16 }, { "0", 0 } } },
{ { { "128", 128 }, { "128", 128 }, { "128", 128 }, { "128", 128 } } },
{ { { "235", 235 }, { "240", 240 }, { "240", 240 }, { "255", 255 } } },
};
static const GraticuleLines digital9[] = {
{ { { "32", 32 }, { "32", 32 }, { "32", 32 }, { "0", 0 } } },
{ { { "256", 256 }, { "256", 256 }, { "256", 256 }, { "256", 256 } } },
{ { { "470", 470 }, { "480", 480 }, { "480", 480 }, { "511", 511 } } },
};
static const GraticuleLines digital10[] = {
{ { { "64", 64 }, { "64", 64 }, { "64", 64 }, { "0", 0 } } },
{ { { "512", 512 }, { "512", 512 }, { "512", 512 }, { "512", 512 } } },
{ { { "940", 940 }, { "960", 960 }, { "960", 960 }, { "1023", 1023 } } },
};
static const GraticuleLines digital12[] = {
{ { { "256", 256 }, { "256", 256 }, { "256", 256 }, { "0", 0 } } },
{ { { "2048", 2048 }, { "2048", 2048 }, { "2048", 2048 }, { "2048", 2048 } } },
{ { { "3760", 3760 }, { "3840", 3840 }, { "3840", 3840 }, { "4095", 4095 } } },
};
static const GraticuleLines millivolts8[] = {
{ { { "0", 16 }, { "0", 16 }, { "0", 16 }, { "0", 0 } } },
{ { { "714", 235 }, { "714", 240 }, { "714", 240 }, { "714", 255 } } },
};
static const GraticuleLines millivolts9[] = {
{ { { "0", 32 }, { "0", 32 }, { "0", 32 }, { "0", 0 } } },
{ { { "714", 470 }, { "714", 480 }, { "714", 480 }, { "714", 511 } } },
};
static const GraticuleLines millivolts10[] = {
{ { { "0", 64 }, { "0", 64 }, { "0", 64 }, { "0", 0 } } },
{ { { "714", 940 }, { "714", 960 }, { "714", 960 }, { "714", 1023 } } },
};
static const GraticuleLines millivolts12[] = {
{ { { "0", 256 }, { "0", 256 }, { "0", 256 }, { "0", 0 } } },
{ { { "714", 3760 }, { "714", 3840 }, { "714", 3840 }, { "714", 4095 } } },
};
static const GraticuleLines ire8[] = {
{ { { "0", 16 }, { "0", 16 }, { "0", 16 }, { "0", 0 } } },
{ { { "25", 66 }, { "25", 67 }, { "25", 67 }, { "25", 64 } } },
{ { { "50", 126 }, { "50", 128 }, { "50", 128 }, { "50", 128 } } },
{ { { "75", 180 }, { "75", 184 }, { "75", 184 }, { "75", 192 } } },
{ { { "100", 235 }, { "100", 240 }, { "100", 240 }, { "100", 255 } } },
};
static const GraticuleLines ire9[] = {
{ { { "0", 32 }, { "0", 32 }, { "0", 32 }, { "0", 0 } } },
{ { { "25", 142 }, { "25", 144 }, { "25", 144 }, { "25", 128 } } },
{ { { "50", 251 }, { "50", 256 }, { "50", 256 }, { "50", 256 } } },
{ { { "75", 361 }, { "75", 368 }, { "75", 368 }, { "75", 384 } } },
{ { { "100", 470 }, { "100", 480 }, { "100", 480 }, { "100", 511 } } },
};
static const GraticuleLines ire10[] = {
{ { { "0", 64 }, { "0", 64 }, { "0", 64 }, { "0", 0 } } },
{ { { "25", 283 }, { "25", 288 }, { "25", 288 }, { "25", 256 } } },
{ { { "50", 502 }, { "50", 512 }, { "50", 512 }, { "50", 512 } } },
{ { { "75", 721 }, { "75", 736 }, { "75", 736 }, { "75", 768 } } },
{ { { "100", 940 }, { "100", 960 }, { "100", 960 }, { "100", 1023 } } },
};
static const GraticuleLines ire12[] = {
{ { { "0", 256 }, { "0", 256 }, { "0", 256 }, { "0", 0 } } },
{ { { "25", 1132 }, { "25", 1152 }, { "25", 1152 }, { "25", 1024 } } },
{ { { "50", 2008 }, { "50", 2048 }, { "50", 2048 }, { "50", 2048 } } },
{ { { "75", 2884 }, { "75", 2944 }, { "75", 2944 }, { "75", 3072 } } },
{ { { "100", 3760 }, { "100", 3840 }, { "100", 3840 }, { "100", 4095 } } },
};
static void blend_vline(uint8_t *dst, int height, int linesize, float o1, float o2, int v, int step)
{
......@@ -1362,23 +1461,24 @@ static void graticule_green_row(WaveformContext *s, AVFrame *out)
k++;
for (p = 0; p < s->ncomp; p++) {
const int v = green_yuva_color[p];
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]); l++) {
int x = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]);
for (l = 0; l < s->nb_glines; l++) {
const uint16_t pos = s->glines[l].line[c].pos;
int x = offset + (s->mirror ? 255 - pos : pos);
uint8_t *dst = out->data[p] + x;
blend_vline(dst, out->height, out->linesize[p], o1, o2, v, step);
}
}
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]) && (s->flags & 1); l++) {
int x = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]) - 10;
char text[16];
for (l = 0; l < s->nb_glines && (s->flags & 1); l++) {
const char *name = s->glines[l].line[c].name;
const uint16_t pos = s->glines[l].line[c].pos;
int x = offset + (s->mirror ? 255 - pos : pos) - 10;
if (x < 0)
x = 4;
snprintf(text, sizeof(text), "%d", lines[c][l]);
draw_vtext(out, x, 2, o1, o2, text, green_yuva_color);
draw_vtext(out, x, 2, o1, o2, name, green_yuva_color);
}
offset += 256 * s->display;
......@@ -1400,23 +1500,24 @@ static void graticule16_green_row(WaveformContext *s, AVFrame *out)
k++;
for (p = 0; p < s->ncomp; p++) {
const int v = green_yuva_color[p] * mult;
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]); l++) {
int x = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult);
for (l = 0; l < s->nb_glines ; l++) {
const uint16_t pos = s->glines[l].line[c].pos;
int x = offset + (s->mirror ? s->size - 1 - pos : pos);
uint16_t *dst = (uint16_t *)(out->data[p]) + x;
blend_vline16(dst, out->height, out->linesize[p], o1, o2, v, step);
}
}
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]) && (s->flags & 1); l++) {
int x = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult) - 10;
char text[16];
for (l = 0; l < s->nb_glines && (s->flags & 1); l++) {
const char *name = s->glines[l].line[c].name;
const uint16_t pos = s->glines[l].line[c].pos;
int x = offset + (s->mirror ? s->size - 1 - pos : pos) - 10;
if (x < 0)
x = 4;
snprintf(text, sizeof(text), "%d", lines[c][l] * mult);
draw_vtext16(out, x, 2, mult, o1, o2, text, green_yuva_color);
draw_vtext16(out, x, 2, mult, o1, o2, name, green_yuva_color);
}
offset += s->size * s->display;
......@@ -1437,23 +1538,24 @@ static void graticule_green_column(WaveformContext *s, AVFrame *out)
k++;
for (p = 0; p < s->ncomp; p++) {
const int v = green_yuva_color[p];
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]); l++) {
int y = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]);
for (l = 0; l < s->nb_glines ; l++) {
const uint16_t pos = s->glines[l].line[c].pos;
int y = offset + (s->mirror ? 255 - pos : pos);
uint8_t *dst = out->data[p] + y * out->linesize[p];
blend_hline(dst, out->width, o1, o2, v, step);
}
}
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]) && (s->flags & 1); l++) {
int y = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]) - 10;
char text[16];
for (l = 0; l < s->nb_glines && (s->flags & 1); l++) {
const char *name = s->glines[l].line[c].name;
const uint16_t pos = s->glines[l].line[c].pos;
int y = offset + (s->mirror ? 255 - pos : pos) - 10;
if (y < 0)
y = 4;
snprintf(text, sizeof(text), "%d", lines[c][l]);
draw_htext(out, 2, y, o1, o2, text, green_yuva_color);
draw_htext(out, 2, y, o1, o2, name, green_yuva_color);
}
offset += 256 * s->display;
......@@ -1475,23 +1577,24 @@ static void graticule16_green_column(WaveformContext *s, AVFrame *out)
k++;
for (p = 0; p < s->ncomp; p++) {
const int v = green_yuva_color[p] * mult;
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]); l++) {
int y = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult);
for (l = 0; l < s->nb_glines ; l++) {
const uint16_t pos = s->glines[l].line[c].pos;
int y = offset + (s->mirror ? s->size - 1 - pos : pos);
uint16_t *dst = (uint16_t *)(out->data[p] + y * out->linesize[p]);
blend_hline16(dst, out->width, o1, o2, v, step);
}
}
for (l = 0; l < FF_ARRAY_ELEMS(lines[0]) && (s->flags & 1); l++) {
int y = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult) - 10;
char text[16];
for (l = 0; l < s->nb_glines && (s->flags & 1); l++) {
const char *name = s->glines[l].line[c].name;
const uint16_t pos = s->glines[l].line[c].pos;
int y = offset + (s->mirror ? s->size - 1 - pos: pos) - 10;
if (y < 0)
y = 4;
snprintf(text, sizeof(text), "%d", lines[c][l] * mult);
draw_htext16(out, 2, y, mult, o1, o2, text, green_yuva_color);
draw_htext16(out, 2, y, mult, o1, o2, name, green_yuva_color);
}
offset += s->size * s->display;
......@@ -1540,6 +1643,33 @@ static int config_input(AVFilterLink *inlink)
s->waveform = s->bits > 8 ? color16 : color; break;
}
switch (s->scale) {
case DIGITAL:
switch (s->bits) {
case 8: s->glines = (GraticuleLines *)digital8; s->nb_glines = FF_ARRAY_ELEMS(digital8); break;
case 9: s->glines = (GraticuleLines *)digital9; s->nb_glines = FF_ARRAY_ELEMS(digital9); break;
case 10: s->glines = (GraticuleLines *)digital10; s->nb_glines = FF_ARRAY_ELEMS(digital10); break;
case 12: s->glines = (GraticuleLines *)digital12; s->nb_glines = FF_ARRAY_ELEMS(digital12); break;
}
break;
case MILLIVOLTS:
switch (s->bits) {
case 8: s->glines = (GraticuleLines *)millivolts8; s->nb_glines = FF_ARRAY_ELEMS(millivolts8); break;
case 9: s->glines = (GraticuleLines *)millivolts9; s->nb_glines = FF_ARRAY_ELEMS(millivolts9); break;
case 10: s->glines = (GraticuleLines *)millivolts10; s->nb_glines = FF_ARRAY_ELEMS(millivolts10); break;
case 12: s->glines = (GraticuleLines *)millivolts12; s->nb_glines = FF_ARRAY_ELEMS(millivolts12); break;
}
break;
case IRE:
switch (s->bits) {
case 8: s->glines = (GraticuleLines *)ire8; s->nb_glines = FF_ARRAY_ELEMS(ire8); break;
case 9: s->glines = (GraticuleLines *)ire9; s->nb_glines = FF_ARRAY_ELEMS(ire8); break;
case 10: s->glines = (GraticuleLines *)ire10; s->nb_glines = FF_ARRAY_ELEMS(ire8); break;
case 12: s->glines = (GraticuleLines *)ire12; s->nb_glines = FF_ARRAY_ELEMS(ire12); break;
}
break;
}
s->size = s->size << (s->bits - 8);
switch (inlink->format) {
......
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