From a7897bd3a6e1d9f10a84b610ed471d727473b37e Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Mon, 29 Feb 2016 11:32:17 +0100 Subject: avfilter/vf_vectorscope: add graticule Signed-off-by: Paul B Mahol --- libavfilter/vf_vectorscope.c | 266 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 266 insertions(+) (limited to 'libavfilter') diff --git a/libavfilter/vf_vectorscope.c b/libavfilter/vf_vectorscope.c index 3659f79a71..2a01688897 100644 --- a/libavfilter/vf_vectorscope.c +++ b/libavfilter/vf_vectorscope.c @@ -50,12 +50,19 @@ typedef struct VectorscopeContext { int x, y, pd; int is_yuv; int size; + int depth; int mult; int envelope; + int graticule; + float opacity; + int flags; + int cs; uint8_t peak[1024][1024]; void (*vectorscope)(struct VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd); + void (*graticulef)(struct VectorscopeContext *s, AVFrame *out, + int X, int Y, int D, int P); } VectorscopeContext; #define OFFSET(x) offsetof(VectorscopeContext, x) @@ -80,6 +87,17 @@ static const AVOption vectorscope_options[] = { { "instant", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "envelope" }, { "peak", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "envelope" }, { "peak+instant", 0, 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "envelope" }, + { "graticule", "set graticule", OFFSET(graticule), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "graticule"}, + { "g", "set graticule", OFFSET(graticule), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "graticule"}, + { "none", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "graticule" }, + { "green", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "graticule" }, + { "color", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "graticule" }, + { "opacity", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS}, + { "o", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS}, + { "flags", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=0}, 0, 3, FLAGS, "flags"}, + { "f", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=0}, 0, 3, FLAGS, "flags"}, + { "white", "draw white point", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "flags" }, + { "black", "draw black point", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "flags" }, { NULL } }; @@ -662,6 +680,228 @@ static void vectorscope8(VectorscopeContext *s, AVFrame *in, AVFrame *out, int p } } +const static uint16_t positions[][14][3] = { + { { 210, 16, 146 }, { 170, 166, 16 }, { 145, 54, 34 }, + { 106, 202, 222 }, { 81, 90, 240 }, { 41, 240, 110 }, + { 162, 44, 142 }, { 131, 156, 44 }, { 112, 72, 58 }, + { 84, 184, 198 }, { 65, 100, 212 }, { 35, 212, 114 }, + { 235, 128, 128 }, { 16, 128, 128 } }, + { { 63, 102, 240 }, { 32, 240, 118 }, { 188, 154, 16 }, + { 219, 16, 138 }, { 173, 42, 26 }, { 78, 214, 230 }, + { 28, 212, 120 }, { 51, 109, 212 }, { 63, 193, 204 }, + { 133, 63, 52 }, { 145, 147, 44 }, { 168, 44, 136 }, + { 235, 128, 128 }, { 16, 128, 128 } }, + { { 210*2, 16*2, 146*2 }, { 170*2, 166*2, 16*2 }, { 145*2, 54*2, 34*2 }, + { 106*2, 202*2, 222*2 }, { 81*2, 90*2, 240*2 }, { 41*2, 240*2, 110*2 }, + { 162*2, 44*2, 142*2 }, { 131*2, 156*2, 44*2 }, { 112*2, 72*2, 58*2 }, + { 84*2, 184*2, 198*2 }, { 65*2, 100*2, 212*2 }, { 35*2, 212*2, 114*2 }, + { 470, 256, 256 }, { 32, 256, 256 } }, + { { 63*2, 102*2, 240*2 }, { 32*2, 240*2, 118*2 }, { 188*2, 154*2, 16*2 }, + { 219*2, 16*2, 138*2 }, { 173*2, 42*2, 26*2 }, { 78*2, 214*2, 230*2 }, + { 28*2, 212*2, 120*2 }, { 51*2, 109*2, 212*2 }, { 63*2, 193*2, 204*2 }, + { 133*2, 63*2, 52*2 }, { 145*2, 147*2, 44*2 }, { 168*2, 44*2, 136*2 }, + { 470, 256, 256 }, { 32, 256, 256 } }, + { { 210*4, 16*4, 146*4 }, { 170*4, 166*4, 16*4 }, { 145*4, 54*4, 34*4 }, + { 106*4, 202*4, 222*4 }, { 81*4, 90*4, 240*4 }, { 41*4, 240*4, 110*4 }, + { 162*4, 44*4, 142*4 }, { 131*4, 156*4, 44*4 }, { 112*4, 72*4, 58*4 }, + { 84*4, 184*4, 198*4 }, { 65*4, 100*4, 212*4 }, { 35*4, 212*4, 114*4 }, + { 940, 512, 512 }, { 64, 512, 512 } }, + { { 63*4, 102*4, 240*4 }, { 32*4, 240*4, 118*4 }, { 188*4, 154*4, 16*4 }, + { 219*4, 16*4, 138*4 }, { 173*4, 42*4, 26*4 }, { 78*4, 214*4, 230*4 }, + { 28*4, 212*4, 120*4 }, { 51*4, 109*4, 212*4 }, { 63*4, 193*4, 204*4 }, + { 133*4, 63*4, 52*4 }, { 145*4, 147*4, 44*4 }, { 168*4, 44*4, 136*4 }, + { 940, 512, 512 }, { 64, 512, 512 } }, +}; + +static void draw_dots(uint8_t *dst, int L, int v, float o) +{ + const float f = 1. - o; + const float V = o * v; + int l = L * 2; + + dst[ l - 3] = dst[ l - 3] * f + V; + dst[ l + 3] = dst[ l + 3] * f + V; + dst[-l - 3] = dst[-l - 3] * f + V; + dst[-l + 3] = dst[-l + 3] * f + V; + + l += L; + + dst[ l - 3] = dst[ l - 3] * f + V; + dst[ l + 3] = dst[ l + 3] * f + V; + dst[ l - 2] = dst[ l - 2] * f + V; + dst[ l + 2] = dst[ l + 2] * f + V; + dst[-l - 3] = dst[-l - 3] * f + V; + dst[-l + 3] = dst[-l + 3] * f + V; + dst[-l - 2] = dst[-l - 2] * f + V; + dst[-l + 2] = dst[-l + 2] * f + V; +} + +static void draw_dots16(uint16_t *dst, int L, int v, float o) +{ + const float f = 1. - o; + const float V = o * v; + int l = L * 2; + + dst[ l - 3] = dst[ l - 3] * f + V; + dst[ l + 3] = dst[ l + 3] * f + V; + dst[-l - 3] = dst[-l - 3] * f + V; + dst[-l + 3] = dst[-l + 3] * f + V; + + l += L; + + dst[ l - 3] = dst[ l - 3] * f + V; + dst[ l + 3] = dst[ l + 3] * f + V; + dst[ l - 2] = dst[ l - 2] * f + V; + dst[ l + 2] = dst[ l + 2] * f + V; + dst[-l - 3] = dst[-l - 3] * f + V; + dst[-l + 3] = dst[-l + 3] * f + V; + dst[-l - 2] = dst[-l - 2] * f + V; + dst[-l + 2] = dst[-l + 2] * f + V; +} + +static void none_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P) +{ +} + +static void color_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P) +{ + const float o = s->opacity; + int i; + + for (i = 0; i < 12; i++) { + int x = positions[P][i][X]; + int y = positions[P][i][Y]; + int d = positions[P][i][D]; + + draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o); + draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o); + draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o); + } + + if (s->flags & 1) { + int x = positions[P][12][X]; + int y = positions[P][12][Y]; + int d = positions[P][12][D]; + + draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o); + draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o); + draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o); + } + + if (s->flags & 2) { + int x = positions[P][13][X]; + int y = positions[P][13][Y]; + int d = positions[P][13][D]; + + draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o); + draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o); + draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o); + } +} + +static void color_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P) +{ + const float o = s->opacity; + int i; + + for (i = 0; i < 12; i++) { + int x = positions[P][i][X]; + int y = positions[P][i][Y]; + int d = positions[P][i][D]; + + draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o); + draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o); + draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o); + } + + if (s->flags & 1) { + int x = positions[P][12][X]; + int y = positions[P][12][Y]; + int d = positions[P][12][D]; + + draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o); + draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o); + draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o); + } + + if (s->flags & 2) { + int x = positions[P][13][X]; + int y = positions[P][13][Y]; + int d = positions[P][12][D]; + + draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o); + draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o); + draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o); + } +} + +static void green_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P) +{ + const float o = s->opacity; + const int m = s->mult; + int i; + + for (i = 0; i < 12; i++) { + int x = positions[P][i][X]; + int y = positions[P][i][Y]; + + draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, 128 * m, o); + draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, 0, o); + draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, 0, o); + } + + if (s->flags & 1) { + int x = positions[P][12][X]; + int y = positions[P][12][Y]; + + draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, 128 * m, o); + draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, 0, o); + draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, 0, o); + } + + if (s->flags & 2) { + int x = positions[P][13][X]; + int y = positions[P][13][Y]; + + draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, 128 * m, o); + draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, 0, o); + draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, 0, o); + } +} + +static void green_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P) +{ + const float o = s->opacity; + int i; + + for (i = 0; i < 12; i++) { + int x = positions[P][i][X]; + int y = positions[P][i][Y]; + + draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], 128, o); + draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], 0, o); + draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], 0, o); + } + + if (s->flags & 1) { + int x = positions[P][12][X]; + int y = positions[P][12][Y]; + + draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], 128, o); + draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], 0, o); + draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], 0, o); + } + + if (s->flags & 2) { + int x = positions[P][13][X]; + int y = positions[P][13][Y]; + + draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], 128, o); + draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], 0, o); + draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], 0, o); + } +} + static int filter_frame(AVFilterLink *inlink, AVFrame *in) { AVFilterContext *ctx = inlink->dst; @@ -669,6 +909,16 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) AVFilterLink *outlink = ctx->outputs[0]; AVFrame *out; + switch (av_frame_get_colorspace(in)) { + case AVCOL_SPC_SMPTE170M: + case AVCOL_SPC_BT470BG: + s->cs = (s->depth - 8) * 2 + 0; + break; + case AVCOL_SPC_BT709: + default: + s->cs = (s->depth - 8) * 2 + 1; + } + out = ff_get_video_buffer(outlink, outlink->w, outlink->h); if (!out) { av_frame_free(&in); @@ -677,6 +927,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) out->pts = in->pts; s->vectorscope(s, in, out, s->pd); + s->graticulef(s, out, s->x, s->y, s->pd, s->cs); av_frame_free(&in); return ff_filter_frame(outlink, out); @@ -690,6 +941,7 @@ static int config_input(AVFilterLink *inlink) s->is_yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB); s->size = 1 << desc->comp[0].depth; s->mult = s->size / 256; + s->depth = desc->comp[0].depth; if (s->mode == GRAY && s->is_yuv) s->pd = 0; @@ -707,6 +959,20 @@ static int config_input(AVFilterLink *inlink) else s->vectorscope = vectorscope16; + s->graticulef = none_graticule; + + if (s->is_yuv && s->size == 256) { + if (s->graticule == 1) + s->graticulef = green_graticule; + else if (s->graticule == 2) + s->graticulef = color_graticule; + } else if (s->is_yuv) { + if (s->graticule == 1) + s->graticulef = green_graticule16; + else if (s->graticule == 2) + s->graticulef = color_graticule16; + } + switch (inlink->format) { case AV_PIX_FMT_GBRP10: case AV_PIX_FMT_GBRP9: -- cgit v1.2.3