int meter; ///< select a EBU mode between +9 and +18
int scale_range; ///< the range of LU values according to the meter
int y_zero_lu; ///< the y value (pixel position) for 0 LU
+ int y_opt_max; ///< the y value (pixel position) for 1 LU
+ int y_opt_min; ///< the y value (pixel position) for -1 LU
int *y_line_ref; ///< y reference values for drawing the LU lines in the graph and the gauge
/* audio */
int metadata; ///< whether or not to inject loudness results in frames
int dual_mono; ///< whether or not to treat single channel input files as dual-mono
double pan_law; ///< pan law value used to calculate dual-mono measurements
+ int target; ///< target level in LUFS used to set relative zero LU in visualization
+ int gauge_type; ///< whether gauge shows momentary or short
+ int scale; ///< display scale type of statistics
} EBUR128Context;
enum {
PEAK_MODE_TRUE_PEAKS = 1<<2,
};
+enum {
+ GAUGE_TYPE_MOMENTARY = 0,
+ GAUGE_TYPE_SHORTTERM = 1,
+};
+
+enum {
+ SCALE_TYPE_ABSOLUTE = 0,
+ SCALE_TYPE_RELATIVE = 1,
+};
+
#define OFFSET(x) offsetof(EBUR128Context, x)
#define A AV_OPT_FLAG_AUDIO_PARAM
#define V AV_OPT_FLAG_VIDEO_PARAM
{ "true", "enable true-peak mode", 0, AV_OPT_TYPE_CONST, {.i64 = PEAK_MODE_TRUE_PEAKS}, INT_MIN, INT_MAX, A|F, "mode" },
{ "dualmono", "treat mono input files as dual-mono", OFFSET(dual_mono), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, A|F },
{ "panlaw", "set a specific pan law for dual-mono files", OFFSET(pan_law), AV_OPT_TYPE_DOUBLE, {.dbl = -3.01029995663978}, -10.0, 0.0, A|F },
+ { "target", "set a specific target level in LUFS (-23 to 0)", OFFSET(target), AV_OPT_TYPE_INT, {.i64 = -23}, -23, 0, V|F },
+ { "gauge", "set gauge display type", OFFSET(gauge_type), AV_OPT_TYPE_INT, {.i64 = 0 }, GAUGE_TYPE_MOMENTARY, GAUGE_TYPE_SHORTTERM, V|F, "gaugetype" },
+ { "momentary", "display momentary value", 0, AV_OPT_TYPE_CONST, {.i64 = GAUGE_TYPE_MOMENTARY}, INT_MIN, INT_MAX, V|F, "gaugetype" },
+ { "m", "display momentary value", 0, AV_OPT_TYPE_CONST, {.i64 = GAUGE_TYPE_MOMENTARY}, INT_MIN, INT_MAX, V|F, "gaugetype" },
+ { "shortterm", "display short-term value", 0, AV_OPT_TYPE_CONST, {.i64 = GAUGE_TYPE_SHORTTERM}, INT_MIN, INT_MAX, V|F, "gaugetype" },
+ { "s", "display short-term value", 0, AV_OPT_TYPE_CONST, {.i64 = GAUGE_TYPE_SHORTTERM}, INT_MIN, INT_MAX, V|F, "gaugetype" },
+ { "scale", "sets display method for the stats", OFFSET(scale), AV_OPT_TYPE_INT, {.i64 = 0}, SCALE_TYPE_ABSOLUTE, SCALE_TYPE_RELATIVE, V|F, "scaletype" },
+ { "absolute", "display absolute values (LUFS)", 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_TYPE_ABSOLUTE}, INT_MIN, INT_MAX, V|F, "scaletype" },
+ { "LUFS", "display absolute values (LUFS)", 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_TYPE_ABSOLUTE}, INT_MIN, INT_MAX, V|F, "scaletype" },
+ { "relative", "display values relative to target (LU)", 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_TYPE_RELATIVE}, INT_MIN, INT_MAX, V|F, "scaletype" },
+ { "LU", "display values relative to target (LU)", 0, AV_OPT_TYPE_CONST, {.i64 = SCALE_TYPE_RELATIVE}, INT_MIN, INT_MAX, V|F, "scaletype" },
{ NULL },
};
AVFILTER_DEFINE_CLASS(ebur128);
static const uint8_t graph_colors[] = {
- 0xdd, 0x66, 0x66, // value above 0LU non reached
- 0x66, 0x66, 0xdd, // value below 0LU non reached
- 0x96, 0x33, 0x33, // value above 0LU reached
- 0x33, 0x33, 0x96, // value below 0LU reached
- 0xdd, 0x96, 0x96, // value above 0LU line non reached
- 0x96, 0x96, 0xdd, // value below 0LU line non reached
- 0xdd, 0x33, 0x33, // value above 0LU line reached
- 0x33, 0x33, 0xdd, // value below 0LU line reached
+ 0xdd, 0x66, 0x66, // value above 1LU non reached below -1LU (impossible)
+ 0x66, 0x66, 0xdd, // value below 1LU non reached below -1LU
+ 0x96, 0x33, 0x33, // value above 1LU reached below -1LU (impossible)
+ 0x33, 0x33, 0x96, // value below 1LU reached below -1LU
+ 0xdd, 0x96, 0x96, // value above 1LU line non reached below -1LU (impossible)
+ 0x96, 0x96, 0xdd, // value below 1LU line non reached below -1LU
+ 0xdd, 0x33, 0x33, // value above 1LU line reached below -1LU (impossible)
+ 0x33, 0x33, 0xdd, // value below 1LU line reached below -1LU
+ 0xdd, 0x66, 0x66, // value above 1LU non reached above -1LU
+ 0x66, 0xdd, 0x66, // value below 1LU non reached above -1LU
+ 0x96, 0x33, 0x33, // value above 1LU reached above -1LU
+ 0x33, 0x96, 0x33, // value below 1LU reached above -1LU
+ 0xdd, 0x96, 0x96, // value above 1LU line non reached above -1LU
+ 0x96, 0xdd, 0x96, // value below 1LU line non reached above -1LU
+ 0xdd, 0x33, 0x33, // value above 1LU line reached above -1LU
+ 0x33, 0xdd, 0x33, // value below 1LU line reached above -1LU
};
static const uint8_t *get_graph_color(const EBUR128Context *ebur128, int v, int y)
{
- const int below0 = y > ebur128->y_zero_lu;
+ const int above_opt_max = y > ebur128->y_opt_max;
+ const int below_opt_min = y < ebur128->y_opt_min;
const int reached = y >= v;
const int line = ebur128->y_line_ref[y] || y == ebur128->y_zero_lu;
- const int colorid = 4*line + 2*reached + below0;
+ const int colorid = 8*below_opt_min+ 4*line + 2*reached + above_opt_max;
return graph_colors + 3*colorid;
}
/* draw graph */
ebur128->y_zero_lu = lu_to_y(ebur128, 0);
+ ebur128->y_opt_max = lu_to_y(ebur128, 1);
+ ebur128->y_opt_min = lu_to_y(ebur128, -1);
p = outpicref->data[0] + ebur128->graph.y * outpicref->linesize[0]
+ ebur128->graph.x * 3;
for (y = 0; y < ebur128->graph.h; y++) {
{
EBUR128Context *ebur128 = ctx->priv;
AVFilterPad pad;
+ int ret;
if (ebur128->loglevel != AV_LOG_INFO &&
ebur128->loglevel != AV_LOG_VERBOSE) {
};
if (!pad.name)
return AVERROR(ENOMEM);
- ff_insert_outpad(ctx, 0, &pad);
+ ret = ff_insert_outpad(ctx, 0, &pad);
+ if (ret < 0) {
+ av_freep(&pad.name);
+ return ret;
+ }
}
pad = (AVFilterPad){
.name = av_asprintf("out%d", ebur128->do_video),
};
if (!pad.name)
return AVERROR(ENOMEM);
- ff_insert_outpad(ctx, ebur128->do_video, &pad);
+ ret = ff_insert_outpad(ctx, ebur128->do_video, &pad);
+ if (ret < 0) {
+ av_freep(&pad.name);
+ return ret;
+ }
/* summary */
av_log(ctx, AV_LOG_VERBOSE, "EBU +%d scale\n", ebur128->meter);
loudness_3000 -= ebur128->pan_law;
}
-#define LOG_FMT "M:%6.1f S:%6.1f I:%6.1f LUFS LRA:%6.1f LU"
+#define LOG_FMT "TARGET:%d LUFS M:%6.1f S:%6.1f I:%6.1f %s LRA:%6.1f LU"
/* push one video frame */
if (ebur128->do_video) {
int x, y, ret;
uint8_t *p;
+ double gauge_value;
+ int y_loudness_lu_graph, y_loudness_lu_gauge;
- const int y_loudness_lu_graph = lu_to_y(ebur128, loudness_3000 + 23);
- const int y_loudness_lu_gauge = lu_to_y(ebur128, loudness_400 + 23);
+ if (ebur128->gauge_type == GAUGE_TYPE_MOMENTARY) {
+ gauge_value = loudness_400 - ebur128->target;
+ } else {
+ gauge_value = loudness_3000 - ebur128->target;
+ }
+
+ y_loudness_lu_graph = lu_to_y(ebur128, loudness_3000 - ebur128->target);
+ y_loudness_lu_gauge = lu_to_y(ebur128, gauge_value);
/* draw the graph using the short-term loudness */
p = pic->data[0] + ebur128->graph.y*pic->linesize[0] + ebur128->graph.x*3;
p += pic->linesize[0];
}
- /* draw the gauge using the momentary loudness */
+ /* draw the gauge using either momentary or short-term loudness */
p = pic->data[0] + ebur128->gauge.y*pic->linesize[0] + ebur128->gauge.x*3;
for (y = 0; y < ebur128->gauge.h; y++) {
const uint8_t *c = get_graph_color(ebur128, y_loudness_lu_gauge, y);
}
/* draw textual info */
- drawtext(pic, PAD, PAD - PAD/2, FONT16, font_colors,
- LOG_FMT " ", // padding to erase trailing characters
- loudness_400, loudness_3000,
- ebur128->integrated_loudness, ebur128->loudness_range);
+ if (ebur128->scale == SCALE_TYPE_ABSOLUTE) {
+ drawtext(pic, PAD, PAD - PAD/2, FONT16, font_colors,
+ LOG_FMT " ", // padding to erase trailing characters
+ ebur128->target, loudness_400, loudness_3000,
+ ebur128->integrated_loudness, "LUFS", ebur128->loudness_range);
+ } else {
+ drawtext(pic, PAD, PAD - PAD/2, FONT16, font_colors,
+ LOG_FMT " ", // padding to erase trailing characters
+ ebur128->target, loudness_400-ebur128->target, loudness_3000-ebur128->target,
+ ebur128->integrated_loudness-ebur128->target, "LU", ebur128->loudness_range);
+ }
/* set pts and push frame */
pic->pts = pts;
SET_META_PEAK(true, TRUE);
}
- av_log(ctx, ebur128->loglevel, "t: %-10s " LOG_FMT,
- av_ts2timestr(pts, &outlink->time_base),
- loudness_400, loudness_3000,
- ebur128->integrated_loudness, ebur128->loudness_range);
+ if (ebur128->scale == SCALE_TYPE_ABSOLUTE) {
+ av_log(ctx, ebur128->loglevel, "t: %-10s " LOG_FMT,
+ av_ts2timestr(pts, &outlink->time_base),
+ ebur128->target, loudness_400, loudness_3000,
+ ebur128->integrated_loudness, "LUFS", ebur128->loudness_range);
+ } else {
+ av_log(ctx, ebur128->loglevel, "t: %-10s " LOG_FMT,
+ av_ts2timestr(pts, &outlink->time_base),
+ ebur128->target, loudness_400-ebur128->target, loudness_3000-ebur128->target,
+ ebur128->integrated_loudness-ebur128->target, "LU", ebur128->loudness_range);
+ }
#define PRINT_PEAKS(str, sp, ptype) do { \
if (ebur128->peak_mode & PEAK_MODE_ ## ptype ## _PEAKS) { \
projects / ffmpeg / blobdiff