ffmpeg Filtergraph Output Example

ffmpeg_filtergraph.json

{
	"FilterGraphs": [{
			"Description": "[0:3]scale@f1=width=1920:height=1080:force_original_aspect_ratio=decrease[f1_out0];[0:0][f1_out0]overlay@f2=x=(W-w)/2:y=(H-h):repeatlast=0[f2_out0]",
			"Filters": [{
					"Filter": {
						"Description": "Scale the input video size and/or convert the image format.",
						"Inputs": [{
								"LinkType": "Input",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestPadName": "default",
								"Format": "bgra",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "0:1",
								"SourceName": "trim_in_0_3",
								"SourcePadName": "default",
								"Width": 1920
							}
						],
						"Name": "scale@f1",
						"Name2": "scale",
						"Outputs": [{
								"LinkType": "Output",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestName": "overlay@f2",
								"DestPadName": "overlay",
								"Format": "yuva420p",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "0:1",
								"SourceName": "scale@f1",
								"Width": 1920
							}
						]
					}
				}, {
					"Filter": {
						"Description": "Overlay a video source on top of the input.",
						"Inputs": [{
								"LinkType": "Input",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestPadName": "main",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "trim_in_0_0",
								"SourcePadName": "default",
								"Width": 1920
							}, {
								"LinkType": "Input",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestPadName": "overlay",
								"Format": "yuva420p",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "0:1",
								"SourceName": "scale@f1",
								"SourcePadName": "default",
								"Width": 1920
							}
						],
						"Name": "overlay@f2",
						"Name2": "overlay",
						"Outputs": [{
								"LinkType": "Output",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestName": "format",
								"DestPadName": "default",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "overlay@f2",
								"Width": 1920
							}
						]
					}
				}, {
					"Filter": {
						"Description": "Buffer video frames, and make them accessible to the filterchain.",
						"Inputs": [

						],
						"Name": "graph 0 input from stream 0:3",
						"Name2": "buffer",
						"Outputs": [{
								"LinkType": "Output",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestName": "trim_in_0_3",
								"DestPadName": "default",
								"Format": "bgra",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "0:1",
								"SourceName": "graph 0 input from stream 0:3",
								"Width": 1920
							}
						]
					}
				}, {
					"Filter": {
						"Description": "Pick one continuous section from the input, drop the rest.",
						"Inputs": [{
								"LinkType": "Input",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestPadName": "default",
								"Format": "bgra",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "0:1",
								"SourceName": "graph 0 input from stream 0:3",
								"SourcePadName": "default",
								"Width": 1920
							}
						],
						"Name": "trim_in_0_3",
						"Name2": "trim",
						"Outputs": [{
								"LinkType": "Output",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestName": "scale@f1",
								"DestPadName": "default",
								"Format": "bgra",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "0:1",
								"SourceName": "trim_in_0_3",
								"Width": 1920
							}
						]
					}
				}, {
					"Filter": {
						"Description": "Buffer video frames, and make them accessible to the filterchain.",
						"Inputs": [

						],
						"Name": "graph 0 input from stream 0:0",
						"Name2": "buffer",
						"Outputs": [{
								"LinkType": "Output",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestName": "trim_in_0_0",
								"DestPadName": "default",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "graph 0 input from stream 0:0",
								"Width": 1920
							}
						]
					}
				}, {
					"Filter": {
						"Description": "Pick one continuous section from the input, drop the rest.",
						"Inputs": [{
								"LinkType": "Input",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestPadName": "default",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "graph 0 input from stream 0:0",
								"SourcePadName": "default",
								"Width": 1920
							}
						],
						"Name": "trim_in_0_0",
						"Name2": "trim",
						"Outputs": [{
								"LinkType": "Output",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestName": "overlay@f2",
								"DestPadName": "main",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "trim_in_0_0",
								"Width": 1920
							}
						]
					}
				}, {
					"Filter": {
						"Description": "Buffer video frames, and make them available to the end of the filter graph.",
						"Inputs": [{
								"LinkType": "Input",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestPadName": "default",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "format",
								"SourcePadName": "default",
								"Width": 1920
							}
						],
						"Name": "out_0_0",
						"Name2": "buffersink",
						"Outputs": [

						]
					}
				}, {
					"Filter": {
						"Description": "Convert the input video to one of the specified pixel formats.",
						"Inputs": [{
								"LinkType": "Input",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestPadName": "default",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "overlay@f2",
								"SourcePadName": "default",
								"Width": 1920
							}
						],
						"Name": "format",
						"Name2": "format",
						"Outputs": [{
								"LinkType": "Output",
								"ChannelLayout": 0,
								"Channels": 0,
								"DestName": "out_0_0",
								"DestPadName": "default",
								"Format": "nv12",
								"Height": 1080,
								"MediaTypeId": 0,
								"SampleRate": 0,
								"SAR": "1:1",
								"SourceName": "format",
								"Width": 1920
							}
						]
					}
				}
			],
			"GraphIndex": 0,
			"Inputs": [{
					"LinkType": "Input",
					"ChannelLayout": 0,
					"Channels": 0,
					"Description": "Buffer video frames, and make them accessible to the filterchain.",
					"Format": "bgra",
					"Height": 1080,
					"MediaType": "video",
					"MediaTypeId": 0,
					"Name1": "scale",
					"Name2": "graph 0 input from stream 0:3",
					"Name3": "buffer",
					"SampleRate": 0,
					"SAR": "0:0",
					"Width": 1920
				}, {
					"LinkType": "Input",
					"ChannelLayout": 0,
					"Channels": 0,
					"Description": "Buffer video frames, and make them accessible to the filterchain.",
					"Format": "nv12",
					"Height": 1080,
					"MediaType": "video",
					"MediaTypeId": 0,
					"Name1": "overlay:main",
					"Name2": "graph 0 input from stream 0:0",
					"Name3": "buffer",
					"SampleRate": 0,
					"SAR": "1:1",
					"Width": 1920
				}
			],
			"Outputs": [{
					"LinkType": "Output",
					"ChannelLayout": 0,
					"Channels": 0,
					"Description": "Buffer video frames, and make them available to the end of the filter graph.",
					"Format": "nv12",
					"Height": 1080,
					"MediaType": "video",
					"MediaTypeId": 0,
					"Name1": "overlay",
					"Name2": "out_0_0",
					"Name3": "buffersink",
					"SampleRate": 0,
					"Width": 1920
				}
			]
		}
	}