libobs: Add video info to filename formatting

UI/data/locale/en-US.ini

@@ -763,10 +763,10 @@ Basic.Settings.Output.Adv.FFmpeg.GOPSize="Keyframe interval (frames)"
 Basic.Settings.Output.Adv.FFmpeg.IgnoreCodecCompat="Show all codecs (even if potentially incompatible)"
 
 # basic mode 'output' settings - advanced section - recording subsection - completer
-FilenameFormatting.completer="%CCYY-%MM-%DD %hh-%mm-%ss\n%YY-%MM-%DD %hh-%mm-%ss\n%Y-%m-%d %H-%M-%S\n%y-%m-%d %H-%M-%S\n%a %Y-%m-%d %H-%M-%S\n%A %Y-%m-%d %H-%M-%S\n%Y-%b-%d %H-%M-%S\n%Y-%B-%d %H-%M-%S\n%Y-%m-%d %I-%M-%S-%p\n%Y-%m-%d %H-%M-%S-%z\n%Y-%m-%d %H-%M-%S-%Z"
+FilenameFormatting.completer="%CCYY-%MM-%DD %hh-%mm-%ss\n%YY-%MM-%DD %hh-%mm-%ss\n%Y-%m-%d %H-%M-%S\n%y-%m-%d %H-%M-%S\n%a %Y-%m-%d %H-%M-%S\n%A %Y-%m-%d %H-%M-%S\n%Y-%b-%d %H-%M-%S\n%Y-%B-%d %H-%M-%S\n%Y-%m-%d %I-%M-%S-%p\n%Y-%m-%d %H-%M-%S-%z\n%Y-%m-%d %H-%M-%S-%Z\n%FPS\n%CRES\n%ORES\n%VF"
 
 # basic mode 'output' settings - advanced section - recording subsection - TT
-FilenameFormatting.TT="%CCYY	Year, four digits\n%YY		Year, last two digits (00-99)\n%MM		Month as a decimal number (01-12)\n%DD		Day of the month, zero-padded (01-31)\n%hh		Hour in 24h format (00-23)\n%mm		Minute (00-59)\n%ss		Second (00-61)\n%%		A % sign\n%a		Abbreviated weekday name\n%A		Full weekday name\n%b		Abbreviated month name\n%B		Full month name\n%d		Day of the month, zero-padded (01-31)\n%H		Hour in 24h format (00-23)\n%I		Hour in 12h format (01-12)\n%m		Month as a decimal number (01-12)\n%M		Minute (00-59)\n%p		AM or PM designation\n%S		Second (00-61)\n%y		Year, last two digits (00-99)\n%Y		Year\n%z		ISO 8601 offset from UTC in timezone\n%Z		Timezone name or abbreviation\n"
+FilenameFormatting.TT="%CCYY	Year, four digits\n%YY		Year, last two digits (00-99)\n%MM		Month as a decimal number (01-12)\n%DD		Day of the month, zero-padded (01-31)\n%hh		Hour in 24h format (00-23)\n%mm		Minute (00-59)\n%ss		Second (00-61)\n%%		A % sign\n%a		Abbreviated weekday name\n%A		Full weekday name\n%b		Abbreviated month name\n%B		Full month name\n%d		Day of the month, zero-padded (01-31)\n%H		Hour in 24h format (00-23)\n%I		Hour in 12h format (01-12)\n%m		Month as a decimal number (01-12)\n%M		Minute (00-59)\n%p		AM or PM designation\n%S		Second (00-61)\n%y		Year, last two digits (00-99)\n%Y		Year\n%z		ISO 8601 offset from UTC in timezone\n%Z		Timezone name or abbreviation\n%FPS		Frames per second\n%CRES		Base (canvas) resolution\n%ORES		Output (scaled) resolution\n%VF		Video format"
 
 # basic mode 'video' settings
 Basic.Settings.Video="Video"

libobs/util/platform.c

@@ -25,6 +25,7 @@
 #include "bmem.h"
 #include "utf8.h"
 #include "dstr.h"
+#include "obs.h"
 
 FILE *os_wfopen(const wchar_t *path, const char *mode)
 {
@@ -708,6 +709,8 @@ char *os_generate_formatted_filename(const char *extension, bool space,
 	time_t now = time(0);
 	struct tm *cur_time;
 	cur_time = localtime(&now);
+	struct obs_video_info ovi;
+	obs_get_video_info(&ovi);
 
 	const size_t spec_count = 23;
 	static const char *spec[][2] = {
@@ -728,11 +731,10 @@ char *os_generate_formatted_filename(const char *extension, bool space,
 	dstr_init_copy(&sf, format);
 
 	while (pos < sf.len) {
+		const char *cmp = sf.array + pos;
 		for (size_t i = 0; i < spec_count && !convert[0]; i++) {
 			size_t len = strlen(spec[i][0]);
 
-			const char *cmp = sf.array + pos;
-
 			if (astrcmp_n(cmp, spec[i][0], len) == 0) {
 				if (strlen(spec[i][1]))
 					strftime(convert, sizeof(convert),
@@ -747,6 +749,35 @@ char *os_generate_formatted_filename(const char *extension, bool space,
 			}
 		}
 
+		if (!convert[0]) {
+			if (astrcmp_n(cmp, "%FPS", 4) == 0) {
+				if (ovi.fps_den <= 1) {
+					sprintf(convert, "%u", ovi.fps_num);
+				} else {
+					const double obsFPS =
+						(double)ovi.fps_num /
+						(double)ovi.fps_den;
+					sprintf(convert, "%.2f", obsFPS);
+				}
+				replace_text(&sf, pos, 4, convert);
+
+			} else if (astrcmp_n(cmp, "%CRES", 5) == 0) {
+				sprintf(convert, "%ux%u", ovi.base_width,
+					ovi.base_height);
+				replace_text(&sf, pos, 5, convert);
+
+			} else if (astrcmp_n(cmp, "%ORES", 5) == 0) {
+				sprintf(convert, "%ux%u", ovi.output_width,
+					ovi.output_height);
+				replace_text(&sf, pos, 5, convert);
+
+			} else if (astrcmp_n(cmp, "%VF", 3) == 0) {
+				strcpy(convert, get_video_format_name(
+							ovi.output_format));
+				replace_text(&sf, pos, 3, convert);
+			}
+		}
+
 		if (convert[0]) {
 			pos += strlen(convert);
 			convert[0] = 0;