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avfilter/vf_waveform: make it possible to draw dots instead of lines
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
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@ -13185,6 +13185,9 @@ Set graticule flags.
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@table @samp
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@table @samp
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@item numbers
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@item numbers
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Draw numbers above lines. By default enabled.
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Draw numbers above lines. By default enabled.
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@item dots
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Draw dots instead of lines.
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@end table
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@end table
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@end table
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@end table
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@ -106,9 +106,10 @@ static const AVOption waveform_options[] = {
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{ "green", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "graticule" },
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{ "green", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "graticule" },
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{ "opacity", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
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{ "opacity", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
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{ "o", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
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{ "o", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
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{ "flags", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, 1, FLAGS, "flags" },
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{ "flags", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, 3, FLAGS, "flags" },
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{ "fl", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, 1, FLAGS, "flags" },
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{ "fl", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=1}, 0, 3, FLAGS, "flags" },
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{ "numbers", "draw numbers", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "flags" },
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{ "numbers", "draw numbers", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "flags" },
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{ "dots", "draw dots instead of lines", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "flags" },
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{ NULL }
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{ NULL }
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};
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};
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@ -1201,42 +1202,42 @@ static const uint8_t green_yuva_color[4] = { 255, 0, 0, 255 };
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static const uint8_t black_gbrp_color[4] = { 0, 0, 0, 255 };
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static const uint8_t black_gbrp_color[4] = { 0, 0, 0, 255 };
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static const uint8_t lines[4][2] = { { 16, 235 }, { 16, 240 }, { 16, 240 }, { 0, 255 } };
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static const uint8_t lines[4][2] = { { 16, 235 }, { 16, 240 }, { 16, 240 }, { 0, 255 } };
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static void blend_vline(uint8_t *dst, int height, int linesize, float o1, float o2, int v)
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static void blend_vline(uint8_t *dst, int height, int linesize, float o1, float o2, int v, int step)
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{
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{
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int y;
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int y;
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for (y = 0; y < height; y++) {
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for (y = 0; y < height; y += step) {
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dst[0] = v * o1 + dst[0] * o2;
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dst[0] = v * o1 + dst[0] * o2;
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dst += linesize;
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dst += linesize * step;
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}
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}
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}
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}
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static void blend_vline16(uint16_t *dst, int height, int linesize, float o1, float o2, int v)
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static void blend_vline16(uint16_t *dst, int height, int linesize, float o1, float o2, int v, int step)
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{
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{
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int y;
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int y;
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for (y = 0; y < height; y++) {
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for (y = 0; y < height; y += step) {
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dst[0] = v * o1 + dst[0] * o2;
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dst[0] = v * o1 + dst[0] * o2;
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dst += linesize / 2;
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dst += (linesize / 2) * step;
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}
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}
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}
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}
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static void blend_hline(uint8_t *dst, int width, float o1, float o2, int v)
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static void blend_hline(uint8_t *dst, int width, float o1, float o2, int v, int step)
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{
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{
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int x;
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int x;
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for (x = 0; x < width; x++) {
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for (x = 0; x < width; x += step) {
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dst[x] = v * o1 + dst[x] * o2;
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dst[x] = v * o1 + dst[x] * o2;
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}
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}
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}
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}
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static void blend_hline16(uint16_t *dst, int width, float o1, float o2, int v)
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static void blend_hline16(uint16_t *dst, int width, float o1, float o2, int v, int step)
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{
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{
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int x;
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int x;
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for (x = 0; x < width; x++) {
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for (x = 0; x < width; x += step) {
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dst[x] = v * o1 + dst[x] * o2;
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dst[x] = v * o1 + dst[x] * o2;
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}
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}
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}
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}
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@ -1349,6 +1350,7 @@ static void graticule_none(WaveformContext *s, AVFrame *out)
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static void graticule_green_row(WaveformContext *s, AVFrame *out)
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static void graticule_green_row(WaveformContext *s, AVFrame *out)
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{
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{
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const int step = s->flags & 2 + 1;
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const float o1 = s->opacity;
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const float o1 = s->opacity;
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const float o2 = 1. - o1;
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const float o2 = 1. - o1;
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int k = 0, c, p, l, offset = 0;
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int k = 0, c, p, l, offset = 0;
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@ -1364,7 +1366,7 @@ static void graticule_green_row(WaveformContext *s, AVFrame *out)
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int x = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]);
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int x = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]);
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uint8_t *dst = out->data[p] + x;
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uint8_t *dst = out->data[p] + x;
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blend_vline(dst, out->height, out->linesize[p], o1, o2, v);
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blend_vline(dst, out->height, out->linesize[p], o1, o2, v, step);
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}
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}
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}
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}
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@ -1385,6 +1387,7 @@ static void graticule_green_row(WaveformContext *s, AVFrame *out)
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static void graticule16_green_row(WaveformContext *s, AVFrame *out)
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static void graticule16_green_row(WaveformContext *s, AVFrame *out)
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{
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{
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const int step = s->flags & 2 + 1;
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const float o1 = s->opacity;
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const float o1 = s->opacity;
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const float o2 = 1. - o1;
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const float o2 = 1. - o1;
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const int mult = s->size / 256;
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const int mult = s->size / 256;
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@ -1401,7 +1404,7 @@ static void graticule16_green_row(WaveformContext *s, AVFrame *out)
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int x = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult);
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int x = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult);
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uint16_t *dst = (uint16_t *)(out->data[p]) + x;
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uint16_t *dst = (uint16_t *)(out->data[p]) + x;
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blend_vline16(dst, out->height, out->linesize[p], o1, o2, v);
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blend_vline16(dst, out->height, out->linesize[p], o1, o2, v, step);
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}
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}
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}
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}
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@ -1422,6 +1425,7 @@ static void graticule16_green_row(WaveformContext *s, AVFrame *out)
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static void graticule_green_column(WaveformContext *s, AVFrame *out)
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static void graticule_green_column(WaveformContext *s, AVFrame *out)
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{
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{
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const int step = s->flags & 2 + 1;
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const float o1 = s->opacity;
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const float o1 = s->opacity;
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const float o2 = 1. - o1;
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const float o2 = 1. - o1;
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int k = 0, c, p, l, offset = 0;
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int k = 0, c, p, l, offset = 0;
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@ -1437,7 +1441,7 @@ static void graticule_green_column(WaveformContext *s, AVFrame *out)
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int y = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]);
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int y = offset + (s->mirror ? 255 - lines[c][l] : lines[c][l]);
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uint8_t *dst = out->data[p] + y * out->linesize[p];
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uint8_t *dst = out->data[p] + y * out->linesize[p];
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blend_hline(dst, out->width, o1, o2, v);
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blend_hline(dst, out->width, o1, o2, v, step);
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}
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}
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}
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}
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@ -1458,6 +1462,7 @@ static void graticule_green_column(WaveformContext *s, AVFrame *out)
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static void graticule16_green_column(WaveformContext *s, AVFrame *out)
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static void graticule16_green_column(WaveformContext *s, AVFrame *out)
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{
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{
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const int step = s->flags & 2 + 1;
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const float o1 = s->opacity;
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const float o1 = s->opacity;
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const float o2 = 1. - o1;
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const float o2 = 1. - o1;
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const int mult = s->size / 256;
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const int mult = s->size / 256;
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@ -1474,7 +1479,7 @@ static void graticule16_green_column(WaveformContext *s, AVFrame *out)
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int y = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult);
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int y = offset + (s->mirror ? s->size - 1 - lines[c][l] * mult : lines[c][l] * mult);
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uint16_t *dst = (uint16_t *)(out->data[p] + y * out->linesize[p]);
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uint16_t *dst = (uint16_t *)(out->data[p] + y * out->linesize[p]);
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blend_hline16(dst, out->width, o1, o2, v);
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blend_hline16(dst, out->width, o1, o2, v, step);
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}
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}
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}
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}
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