#include FT_FREETYPE_H
#endif
+#if CONFIG_LIBFONTCONFIG
+#include <fontconfig/fontconfig.h>
+#endif
+
#include "avf_showcqt.h"
#define BASEFREQ 20.01523126408007475
#define FONTCOLOR "st(0, (midi(f)-59.5)/12);" \
"st(1, if(between(ld(0),0,1), 0.5-0.5*cos(2*PI*ld(0)), 0));" \
"r(1-ld(1)) + b(ld(1))"
+#define CSCHEME "1|0.5|0|0|0.5|1"
#define PTS_STEP 10
#define PTS_TOLERANCE 1
{ "gamma", "set sonogram gamma", OFFSET(sono_g), AV_OPT_TYPE_FLOAT, { .dbl = 3.0 }, 1.0, 7.0, FLAGS },
{ "bar_g", "set bargraph gamma", OFFSET(bar_g), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 1.0, 7.0, FLAGS },
{ "gamma2", "set bargraph gamma", OFFSET(bar_g), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 1.0, 7.0, FLAGS },
+ { "bar_t", "set bar transparency", OFFSET(bar_t), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 0.0, 1.0, FLAGS },
{ "timeclamp", "set timeclamp", OFFSET(timeclamp), AV_OPT_TYPE_DOUBLE, { .dbl = 0.17 }, 0.1, 1.0, FLAGS },
{ "tc", "set timeclamp", OFFSET(timeclamp), AV_OPT_TYPE_DOUBLE, { .dbl = 0.17 }, 0.1, 1.0, FLAGS },
{ "basefreq", "set base frequency", OFFSET(basefreq), AV_OPT_TYPE_DOUBLE, { .dbl = BASEFREQ }, 10.0, 100000.0, FLAGS },
{ "tlength", "set tlength", OFFSET(tlength), AV_OPT_TYPE_STRING, { .str = TLENGTH }, CHAR_MIN, CHAR_MAX, FLAGS },
{ "count", "set transform count", OFFSET(count), AV_OPT_TYPE_INT, { .i64 = 6 }, 1, 30, FLAGS },
{ "fcount", "set frequency count", OFFSET(fcount), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 10, FLAGS },
- { "fontfile", "set axis font", OFFSET(fontfile), AV_OPT_TYPE_STRING, { .str = NULL }, CHAR_MIN, CHAR_MAX, FLAGS },
+ { "fontfile", "set axis font file", OFFSET(fontfile), AV_OPT_TYPE_STRING, { .str = NULL }, CHAR_MIN, CHAR_MAX, FLAGS },
+ { "font", "set axis font", OFFSET(font), AV_OPT_TYPE_STRING, { .str = NULL }, CHAR_MIN, CHAR_MAX, FLAGS },
{ "fontcolor", "set font color", OFFSET(fontcolor), AV_OPT_TYPE_STRING, { .str = FONTCOLOR }, CHAR_MIN, CHAR_MAX, FLAGS },
{ "axisfile", "set axis image", OFFSET(axisfile), AV_OPT_TYPE_STRING, { .str = NULL }, CHAR_MIN, CHAR_MAX, FLAGS },
{ "axis", "draw axis", OFFSET(axis), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS },
{ "text", "draw axis", OFFSET(axis), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS },
+ { "csp", "set color space", OFFSET(csp), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED }, 0, INT_MAX, FLAGS, "csp" },
+ { "unspecified", "unspecified", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_UNSPECIFIED }, 0, 0, FLAGS, "csp" },
+ { "bt709", "bt709", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT709 }, 0, 0, FLAGS, "csp" },
+ { "fcc", "fcc", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_FCC }, 0, 0, FLAGS, "csp" },
+ { "bt470bg", "bt470bg", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT470BG }, 0, 0, FLAGS, "csp" },
+ { "smpte170m", "smpte170m", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_SMPTE170M }, 0, 0, FLAGS, "csp" },
+ { "smpte240m", "smpte240m", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_SMPTE240M }, 0, 0, FLAGS, "csp" },
+ { "bt2020ncl", "bt2020ncl", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT2020_NCL }, 0, 0, FLAGS, "csp" },
+ { "cscheme", "set color scheme", OFFSET(cscheme), AV_OPT_TYPE_STRING, { .str = CSCHEME }, CHAR_MIN, CHAR_MAX, FLAGS },
{ NULL }
};
return 0;
}
-static int render_freetype(ShowCQTContext *s, AVFrame *tmp)
+static int render_freetype(ShowCQTContext *s, AVFrame *tmp, char *fontfile)
{
#if CONFIG_LIBFREETYPE
const char *str = "EF G A BC D ";
int non_monospace_warning = 0;
int x;
- if (!s->fontfile)
+ if (!fontfile)
return AVERROR(EINVAL);
if (FT_Init_FreeType(&lib))
goto fail;
- if (FT_New_Face(lib, s->fontfile, 0, &face))
+ if (FT_New_Face(lib, fontfile, 0, &face))
goto fail;
if (FT_Set_Char_Size(face, 16*64, 0, 0, 0))
return 0;
fail:
- av_log(s->ctx, AV_LOG_WARNING, "error while loading freetype font, using default font instead.\n");
+ av_log(s->ctx, AV_LOG_WARNING, "error while loading freetype font.\n");
FT_Done_Face(face);
FT_Done_FreeType(lib);
return AVERROR(EINVAL);
#else
- if (s->fontfile)
+ if (fontfile)
av_log(s->ctx, AV_LOG_WARNING, "freetype is not available, ignoring fontfile option.\n");
return AVERROR(EINVAL);
#endif
}
+static int render_fontconfig(ShowCQTContext *s, AVFrame *tmp, char* font)
+{
+#if CONFIG_LIBFONTCONFIG
+ FcConfig *fontconfig;
+ FcPattern *pat, *best;
+ FcResult result = FcResultMatch;
+ char *filename;
+ int i, ret;
+
+ if (!font)
+ return AVERROR(EINVAL);
+
+ for (i = 0; font[i]; i++) {
+ if (font[i] == '|')
+ font[i] = ':';
+ }
+
+ if (!(fontconfig = FcInitLoadConfigAndFonts())) {
+ av_log(s->ctx, AV_LOG_ERROR, "impossible to init fontconfig.\n");
+ return AVERROR_UNKNOWN;
+ }
+
+ if (!(pat = FcNameParse((uint8_t *)font))) {
+ av_log(s->ctx, AV_LOG_ERROR, "could not parse fontconfig pat.\n");
+ FcConfigDestroy(fontconfig);
+ return AVERROR(EINVAL);
+ }
+
+ FcDefaultSubstitute(pat);
+
+ if (!FcConfigSubstitute(fontconfig, pat, FcMatchPattern)) {
+ av_log(s->ctx, AV_LOG_ERROR, "could not substitue fontconfig options.\n");
+ FcPatternDestroy(pat);
+ FcConfigDestroy(fontconfig);
+ return AVERROR(ENOMEM);
+ }
+
+ best = FcFontMatch(fontconfig, pat, &result);
+ FcPatternDestroy(pat);
+
+ ret = AVERROR(EINVAL);
+ if (!best || result != FcResultMatch) {
+ av_log(s->ctx, AV_LOG_ERROR, "cannot find a valid font for %s.\n", font);
+ goto fail;
+ }
+
+ if (FcPatternGetString(best, FC_FILE, 0, (FcChar8 **)&filename) != FcResultMatch) {
+ av_log(s->ctx, AV_LOG_ERROR, "no file path for %s\n", font);
+ goto fail;
+ }
+
+ ret = render_freetype(s, tmp, filename);
+
+fail:
+ FcPatternDestroy(best);
+ FcConfigDestroy(fontconfig);
+ return ret;
+#else
+ if (font)
+ av_log(s->ctx, AV_LOG_WARNING, "fontconfig is not available, ignoring font option.\n");
+ return AVERROR(EINVAL);
+#endif
+}
+
static int render_default_font(AVFrame *tmp)
{
const char *str = "EF G A BC D ";
if (!(s->axis_frame = av_frame_alloc()))
goto fail;
- if (render_freetype(s, tmp) < 0 && (default_font = 1, ret = render_default_font(tmp)) < 0)
+ if (render_freetype(s, tmp, s->fontfile) < 0 &&
+ render_fontconfig(s, tmp, s->font) < 0 &&
+ (default_font = 1, ret = render_default_font(tmp)) < 0)
goto fail;
if (default_font)
return expf(logf(v) / g);
}
-static void rgb_from_cqt(ColorFloat *c, const FFTComplex *v, float g, int len)
+static void rgb_from_cqt(ColorFloat *c, const FFTComplex *v, float g, int len, float cscheme[6])
{
int x;
for (x = 0; x < len; x++) {
- c[x].rgb.r = 255.0f * calculate_gamma(FFMIN(1.0f, v[x].re), g);
- c[x].rgb.g = 255.0f * calculate_gamma(FFMIN(1.0f, 0.5f * (v[x].re + v[x].im)), g);
- c[x].rgb.b = 255.0f * calculate_gamma(FFMIN(1.0f, v[x].im), g);
+ c[x].rgb.r = 255.0f * calculate_gamma(FFMIN(1.0f, cscheme[0] * v[x].re + cscheme[3] * v[x].im), g);
+ c[x].rgb.g = 255.0f * calculate_gamma(FFMIN(1.0f, cscheme[1] * v[x].re + cscheme[4] * v[x].im), g);
+ c[x].rgb.b = 255.0f * calculate_gamma(FFMIN(1.0f, cscheme[2] * v[x].re + cscheme[5] * v[x].im), g);
}
}
-static void yuv_from_cqt(ColorFloat *c, const FFTComplex *v, float gamma, int len)
+static void yuv_from_cqt(ColorFloat *c, const FFTComplex *v, float gamma, int len, float cm[3][3], float cscheme[6])
{
int x;
for (x = 0; x < len; x++) {
float r, g, b;
- r = calculate_gamma(FFMIN(1.0f, v[x].re), gamma);
- g = calculate_gamma(FFMIN(1.0f, 0.5f * (v[x].re + v[x].im)), gamma);
- b = calculate_gamma(FFMIN(1.0f, v[x].im), gamma);
- c[x].yuv.y = 65.481f * r + 128.553f * g + 24.966f * b;
- c[x].yuv.u = -37.797f * r - 74.203f * g + 112.0f * b;
- c[x].yuv.v = 112.0f * r - 93.786f * g - 18.214 * b;
+ r = calculate_gamma(FFMIN(1.0f, cscheme[0] * v[x].re + cscheme[3] * v[x].im), gamma);
+ g = calculate_gamma(FFMIN(1.0f, cscheme[1] * v[x].re + cscheme[4] * v[x].im), gamma);
+ b = calculate_gamma(FFMIN(1.0f, cscheme[2] * v[x].re + cscheme[5] * v[x].im), gamma);
+ c[x].yuv.y = cm[0][0] * r + cm[0][1] * g + cm[0][2] * b;
+ c[x].yuv.u = cm[1][0] * r + cm[1][1] * g + cm[1][2] * b;
+ c[x].yuv.v = cm[2][0] * r + cm[2][1] * g + cm[2][2] * b;
}
}
static void draw_bar_rgb(AVFrame *out, const float *h, const float *rcp_h,
- const ColorFloat *c, int bar_h)
+ const ColorFloat *c, int bar_h, float bar_t)
{
int x, y, w = out->width;
- float mul, ht, rcp_bar_h = 1.0f / bar_h;
+ float mul, ht, rcp_bar_h = 1.0f / bar_h, rcp_bar_t = 1.0f / bar_t;
uint8_t *v = out->data[0], *lp;
int ls = out->linesize[0];
*lp++ = 0;
} else {
mul = (h[x] - ht) * rcp_h[x];
+ mul = (mul < bar_t) ? (mul * rcp_bar_t) : 1.0f;
*lp++ = lrintf(mul * c[x].rgb.r);
*lp++ = lrintf(mul * c[x].rgb.g);
*lp++ = lrintf(mul * c[x].rgb.b);
*lpv++ = 128; \
} else { \
mul = (h[x] - ht) * rcp_h[x]; \
+ mul = (mul < bar_t) ? (mul * rcp_bar_t) : 1.0f; \
*lpy++ = lrintf(mul * c[x].yuv.y + 16.0f); \
*lpu++ = lrintf(mul * c[x].yuv.u + 128.0f); \
*lpv++ = lrintf(mul * c[x].yuv.v + 128.0f); \
*lpy++ = 16; \
} else { \
mul = (h[x] - ht) * rcp_h[x]; \
+ mul = (mul < bar_t) ? (mul * rcp_bar_t) : 1.0f; \
*lpy++ = lrintf(mul * c[x].yuv.y + 16.0f); \
} \
} while (0)
static void draw_bar_yuv(AVFrame *out, const float *h, const float *rcp_h,
- const ColorFloat *c, int bar_h)
+ const ColorFloat *c, int bar_h, float bar_t)
{
int x, y, yh, w = out->width;
- float mul, ht, rcp_bar_h = 1.0f / bar_h;
+ float mul, ht, rcp_bar_h = 1.0f / bar_h, rcp_bar_t = 1.0f / bar_t;
uint8_t *vy = out->data[0], *vu = out->data[1], *vv = out->data[2];
uint8_t *lpy, *lpu, *lpv;
int lsy = out->linesize[0], lsu = out->linesize[1], lsv = out->linesize[2];
}
if (s->format == AV_PIX_FMT_RGB24)
- rgb_from_cqt(s->c_buf, s->cqt_result, s->sono_g, s->width);
+ rgb_from_cqt(s->c_buf, s->cqt_result, s->sono_g, s->width, s->cscheme_v);
else
- yuv_from_cqt(s->c_buf, s->cqt_result, s->sono_g, s->width);
+ yuv_from_cqt(s->c_buf, s->cqt_result, s->sono_g, s->width, s->cmatrix, s->cscheme_v);
}
static int plot_cqt(AVFilterContext *ctx, AVFrame **frameout)
return AVERROR(ENOMEM);
out->sample_aspect_ratio = av_make_q(1, 1);
av_frame_set_color_range(out, AVCOL_RANGE_MPEG);
+ av_frame_set_colorspace(out, s->csp);
UPDATE_TIME(s->alloc_time);
if (s->bar_h) {
- s->draw_bar(out, s->h_buf, s->rcp_h_buf, s->c_buf, s->bar_h);
+ s->draw_bar(out, s->h_buf, s->rcp_h_buf, s->c_buf, s->bar_h, s->bar_t);
UPDATE_TIME(s->bar_time);
}
return 0;
}
+static void init_colormatrix(ShowCQTContext *s)
+{
+ double kr, kg, kb;
+
+ /* from vf_colorspace.c */
+ switch (s->csp) {
+ default:
+ av_log(s->ctx, AV_LOG_WARNING, "unsupported colorspace, setting it to unspecified.\n");
+ s->csp = AVCOL_SPC_UNSPECIFIED;
+ case AVCOL_SPC_UNSPECIFIED:
+ case AVCOL_SPC_BT470BG:
+ case AVCOL_SPC_SMPTE170M:
+ kr = 0.299; kb = 0.114; break;
+ case AVCOL_SPC_BT709:
+ kr = 0.2126; kb = 0.0722; break;
+ case AVCOL_SPC_FCC:
+ kr = 0.30; kb = 0.11; break;
+ case AVCOL_SPC_SMPTE240M:
+ kr = 0.212; kb = 0.087; break;
+ case AVCOL_SPC_BT2020_NCL:
+ kr = 0.2627; kb = 0.0593; break;
+ }
+
+ kg = 1.0 - kr - kb;
+ s->cmatrix[0][0] = 219.0 * kr;
+ s->cmatrix[0][1] = 219.0 * kg;
+ s->cmatrix[0][2] = 219.0 * kb;
+ s->cmatrix[1][0] = -112.0 * kr / (1.0 - kb);
+ s->cmatrix[1][1] = -112.0 * kg / (1.0 - kb);
+ s->cmatrix[1][2] = 112.0;
+ s->cmatrix[2][0] = 112.0;
+ s->cmatrix[2][1] = -112.0 * kg / (1.0 - kr);
+ s->cmatrix[2][2] = -112.0 * kb / (1.0 - kr);
+}
+
+static int init_cscheme(ShowCQTContext *s)
+{
+ char tail[2];
+ int k;
+
+ if (sscanf(s->cscheme, " %f | %f | %f | %f | %f | %f %1s", &s->cscheme_v[0],
+ &s->cscheme_v[1], &s->cscheme_v[2], &s->cscheme_v[3], &s->cscheme_v[4],
+ &s->cscheme_v[5], tail) != 6)
+ goto fail;
+
+ for (k = 0; k < 6; k++)
+ if (isnan(s->cscheme_v[k]) || s->cscheme_v[k] < 0.0f || s->cscheme_v[k] > 1.0f)
+ goto fail;
+
+ return 0;
+
+fail:
+ av_log(s->ctx, AV_LOG_ERROR, "invalid cscheme.\n");
+ return AVERROR(EINVAL);
+}
+
/* main filter control */
static av_cold int init(AVFilterContext *ctx)
{
} while(s->fcount * s->width < 1920 && s->fcount < 10);
}
- return 0;
+ init_colormatrix(s);
+
+ return init_cscheme(s);
}
static av_cold void uninit(AVFilterContext *ctx)
projects / ffmpeg / blobdiff