fate: Add rgb24-mkv test

tests/fate/ffmpeg.mak

@@ -79,4 +79,10 @@ fate-limited_input_seek-copyts: CMD = md5 -ss 1.5 -t 1.3 -i $(TARGET_SAMPLES)/vo
 
 fate-streamcopy: $(FATE_STREAMCOPY-yes)
 
+FATE_SAMPLES_FFMPEG-$(call ALLYES, MOV_DEMUXER MATROSKA_MUXER) += fate-rgb24-mkv
+fate-rgb24-mkv: $(TARGET_SAMPLES)/qtrle/aletrek-rle.mov
+fate-rgb24-mkv: CMD = transcode "mov" $(TARGET_SAMPLES)/qtrle/aletrek-rle.mov\
+                      matroska "-vcodec rawvideo -pix_fmt rgb24 -allow_raw_vfw 1 -vframes 1"
+
+
 FATE_SAMPLES_FFMPEG-yes += $(FATE_STREAMCOPY-yes)

tests/ref/fate/rgb24-mkv

+4765774ab65412c9b7565b1b4da82998 *tests/data/fate/rgb24-mkv.matroska
+58321 tests/data/fate/rgb24-mkv.matroska
+#tb 0: 1/10
+#media_type 0: video
+#codec_id 0: rawvideo
+#dimensions 0: 160x120
+#sar 0: 1/1
+0,          0,          0,        1,    57600, 0x3718ad00