avfilter/vf_histogram: add colors_mode option
This commit is contained in:
Paul B Mahol
parent
7d3a9bb54b
commit
df05603291
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@ -13499,6 +13499,20 @@ Set foreground opacity. Default is @code{0.7}.
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@item bgopacity
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Set background opacity. Default is @code{0.5}.
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@item colors_mode
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Set colors mode.
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It accepts the following values:
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@table @samp
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@item whiteonblack
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@item blackonwhite
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@item whiteongray
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@item blackongray
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@item coloronblack
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@item coloronwhite
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@item colorongray
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@end table
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Default is @code{whiteonblack}.
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@end table
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@subsection Examples
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@ -39,15 +39,17 @@ typedef struct HistogramContext {
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int width;
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int x_pos;
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int mult;
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int mid;
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int ncomp;
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int dncomp;
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uint8_t bg_color[4];
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uint8_t fg_color[4];
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uint8_t bg_color[4][4];
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uint8_t fg_color[4][4];
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uint8_t envelope_rgba[4];
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uint8_t envelope_color[4];
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int level_height;
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int scale_height;
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int display_mode;
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int colors_mode;
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int levels_mode;
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const AVPixFmtDescriptor *desc, *odesc;
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int components;
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@ -83,6 +85,15 @@ static const AVOption histogram_options[] = {
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{ "f", "set foreground opacity", OFFSET(fgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.7}, 0, 1, FLAGS},
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{ "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS},
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{ "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS},
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{ "colors_mode", "set colors mode", OFFSET(colors_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 6, FLAGS, "colors_mode"},
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{ "l", "set colors mode", OFFSET(colors_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 6, FLAGS, "colors_mode"},
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{ "whiteonblack", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "colors_mode" },
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{ "blackonwhite", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "colors_mode" },
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{ "whiteongray", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "colors_mode" },
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{ "blackongray", NULL, 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "colors_mode" },
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{ "coloronblack", NULL, 0, AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, FLAGS, "colors_mode" },
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{ "coloronwhite", NULL, 0, AV_OPT_TYPE_CONST, {.i64=5}, 0, 0, FLAGS, "colors_mode" },
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{ "colorongray" , NULL, 0, AV_OPT_TYPE_CONST, {.i64=6}, 0, 0, FLAGS, "colors_mode" },
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{ NULL }
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};
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@ -202,10 +213,19 @@ static const uint8_t black_yuva_color[4] = { 0, 127, 127, 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 white_yuva_color[4] = { 255, 127, 127, 255 };
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static const uint8_t white_gbrp_color[4] = { 255, 255, 255, 255 };
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static const uint8_t gray_color[4] = { 127, 127, 127, 255 };
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static const uint8_t red_yuva_color[4] = { 127, 127, 255, 255 };
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static const uint8_t red_gbrp_color[4] = { 255, 0, 0, 255 };
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static const uint8_t green_yuva_color[4] = { 255, 127, 127, 255 };
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static const uint8_t igreen_yuva_color[4]= { 0, 127, 127, 255 };
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static const uint8_t green_gbrp_color[4] = { 0, 255, 0, 255 };
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static const uint8_t blue_yuva_color[4] = { 127, 255, 127, 255 };
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static const uint8_t blue_gbrp_color[4] = { 0, 0, 255, 255 };
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static int config_input(AVFilterLink *inlink)
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{
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HistogramContext *s = inlink->dst->priv;
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int rgb = 0;
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s->desc = av_pix_fmt_desc_get(inlink->format);
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s->ncomp = s->desc->nb_components;
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@ -220,14 +240,16 @@ static int config_input(AVFilterLink *inlink)
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case AV_PIX_FMT_GBRP9:
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case AV_PIX_FMT_GBRAP:
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case AV_PIX_FMT_GBRP:
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memcpy(s->bg_color, black_gbrp_color, 4);
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memcpy(s->fg_color, white_gbrp_color, 4);
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memcpy(s->bg_color[0], black_gbrp_color, 4);
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memcpy(s->fg_color[0], white_gbrp_color, 4);
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s->start[0] = s->start[1] = s->start[2] = s->start[3] = 0;
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memcpy(s->envelope_color, s->envelope_rgba, 4);
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rgb = 1;
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break;
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default:
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memcpy(s->bg_color, black_yuva_color, 4);
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memcpy(s->fg_color, white_yuva_color, 4);
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s->mid = 127;
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memcpy(s->bg_color[0], black_yuva_color, 4);
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memcpy(s->fg_color[0], white_yuva_color, 4);
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s->start[0] = s->start[3] = 0;
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s->start[1] = s->start[2] = s->histogram_size / 2;
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s->envelope_color[0] = RGB_TO_Y_BT709(s->envelope_rgba[0], s->envelope_rgba[1], s->envelope_rgba[2]);
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@ -236,8 +258,67 @@ static int config_input(AVFilterLink *inlink)
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s->envelope_color[3] = s->envelope_rgba[3];
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}
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s->fg_color[3] = s->fgopacity * 255;
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s->bg_color[3] = s->bgopacity * 255;
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for (int i = 1; i < 4; i++) {
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memcpy(s->fg_color[i], s->fg_color[0], 4);
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memcpy(s->bg_color[i], s->bg_color[0], 4);
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}
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if (s->display_mode) {
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if (s->colors_mode == 1) {
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for (int i = 0; i < 4; i++)
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for (int j = 0; j < 4; j++)
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FFSWAP(uint8_t, s->fg_color[i][j], s->bg_color[i][j]);
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} else if (s->colors_mode == 2) {
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for (int i = 0; i < 4; i++)
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memcpy(s->bg_color[i], gray_color, 4);
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} else if (s->colors_mode == 3) {
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for (int i = 0; i < 4; i++)
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for (int j = 0; j < 4; j++)
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FFSWAP(uint8_t, s->fg_color[i][j], s->bg_color[i][j]);
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for (int i = 0; i < 4; i++)
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memcpy(s->bg_color[i], gray_color, 4);
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} else if (s->colors_mode == 4) {
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if (rgb) {
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memcpy(s->fg_color[0], red_gbrp_color, 4);
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memcpy(s->fg_color[1], green_gbrp_color, 4);
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memcpy(s->fg_color[2], blue_gbrp_color, 4);
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} else {
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memcpy(s->fg_color[0], green_yuva_color, 4);
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memcpy(s->fg_color[1], blue_yuva_color, 4);
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memcpy(s->fg_color[2], red_yuva_color, 4);
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}
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} else if (s->colors_mode == 5) {
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for (int i = 0; i < 4; i++)
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for (int j = 0; j < 4; j++)
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FFSWAP(uint8_t, s->fg_color[i][j], s->bg_color[i][j]);
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if (rgb) {
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memcpy(s->fg_color[0], red_gbrp_color, 4);
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memcpy(s->fg_color[1], green_gbrp_color, 4);
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memcpy(s->fg_color[2], blue_gbrp_color, 4);
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} else {
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memcpy(s->fg_color[0], igreen_yuva_color,4);
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memcpy(s->fg_color[1], blue_yuva_color, 4);
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memcpy(s->fg_color[2], red_yuva_color, 4);
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}
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} else if (s->colors_mode == 6) {
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for (int i = 0; i < 4; i++)
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memcpy(s->bg_color[i], gray_color, 4);
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if (rgb) {
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memcpy(s->fg_color[0], red_gbrp_color, 4);
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memcpy(s->fg_color[1], green_gbrp_color, 4);
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memcpy(s->fg_color[2], blue_gbrp_color, 4);
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} else {
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memcpy(s->fg_color[0], green_yuva_color, 4);
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memcpy(s->fg_color[1], blue_yuva_color, 4);
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memcpy(s->fg_color[2], red_yuva_color, 4);
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}
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}
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}
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for (int i = 0; i < 4; i++) {
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s->fg_color[i][3] = s->fgopacity * 255;
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s->bg_color[i][3] = s->bgopacity * 255;
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}
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s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h);
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s->planeheight[0] = s->planeheight[3] = inlink->h;
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@ -303,7 +384,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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for (i = 0; i < dst_h ; i++)
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memset(out->data[s->odesc->comp[k].plane] +
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i * out->linesize[s->odesc->comp[k].plane],
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s->bg_color[k], dst_w);
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s->bg_color[0][k], dst_w);
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} else {
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const int mult = s->mult;
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@ -311,7 +392,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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for (j = 0; j < dst_w; j++)
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AV_WN16(out->data[s->odesc->comp[k].plane] +
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i * out->linesize[s->odesc->comp[k].plane] + j * 2,
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s->bg_color[k] * mult);
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s->bg_color[0][k] * mult);
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}
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}
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}
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@ -321,6 +402,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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const int max_value = s->histogram_size - 1 - s->start[p];
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const int height = s->planeheight[p];
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const int width = s->planewidth[p];
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const int mid = s->mid;
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double max_hval_log;
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unsigned max_hval = 0;
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int starty, startx;
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@ -430,26 +512,28 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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for (j = s->level_height - 1; j >= col_height; j--) {
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if (s->display_mode) {
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for (l = 0; l < s->dncomp; l++)
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out->data[l][(j + starty) * out->linesize[l] + startx + i] = s->fg_color[l];
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out->data[l][(j + starty) * out->linesize[l] + startx + i] = s->fg_color[p][l];
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} else {
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out->data[p][(j + starty) * out->linesize[p] + startx + i] = 255;
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}
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}
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for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
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out->data[p][(j + starty) * out->linesize[p] + startx + i] = i;
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for (l = 0; l < s->dncomp; l++)
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out->data[l][(j + starty) * out->linesize[l] + startx + i] = p == l ? i : mid;
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} else {
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const int mult = s->mult;
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for (j = s->level_height - 1; j >= col_height; j--) {
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if (s->display_mode) {
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for (l = 0; l < s->dncomp; l++)
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AV_WN16(out->data[l] + (j + starty) * out->linesize[l] + startx * 2 + i * 2, s->fg_color[l] * mult);
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AV_WN16(out->data[l] + (j + starty) * out->linesize[l] + startx * 2 + i * 2, s->fg_color[p][l] * mult);
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} else {
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AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, 255 * mult);
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}
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}
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for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
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AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, i);
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for (l = 0; l < s->dncomp; l++)
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AV_WN16(out->data[l] + (j + starty) * out->linesize[l] + startx * 2 + i * 2, p == l ? i : mid * mult);
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}
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}
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}
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