Created
May 24, 2020 12:28
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ffmpeg Filtergraph Output Example (with hw context)
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| { | |
| "FilterGraphs": { | |
| "Graphs": [{ | |
| "Description": "[0:0]scale_qsv@f1=w=1920:h=800:format=nv12[f1_out0]", | |
| "Filters": [{ | |
| "Filter": { | |
| "Description": "QuickSync video scaling and format conversion", | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "Inputs": [{ | |
| "LinkType": "Input", | |
| "ChannelLayout": 0, | |
| "Channels": 0, | |
| "DestPadName": "default", | |
| "Format": "qsv", | |
| "Height": 800, | |
| "HwFramesContext": { | |
| "HasHwFramesContext": true, | |
| "Height": 800, | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "HwPixelFormat": "qsv", | |
| "SwPixelFormat": "p010le", | |
| "Width": 1920 | |
| }, | |
| "MediaTypeId": 0, | |
| "SampleRate": 0, | |
| "SAR": "1:1", | |
| "SourceName": "graph 0 input from stream 0:0", | |
| "SourcePadName": "default", | |
| "Width": 1920 | |
| } | |
| ], | |
| "Name": "scale_qsv@f1", | |
| "Name2": "scale_qsv", | |
| "Outputs": [{ | |
| "LinkType": "Output", | |
| "ChannelLayout": 0, | |
| "Channels": 0, | |
| "DestName": "format", | |
| "DestPadName": "default", | |
| "Format": "qsv", | |
| "Height": 800, | |
| "HwFramesContext": { | |
| "HasHwFramesContext": true, | |
| "Height": 800, | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "HwPixelFormat": "qsv", | |
| "SwPixelFormat": "nv12", | |
| "Width": 1920 | |
| }, | |
| "MediaTypeId": 0, | |
| "SampleRate": 0, | |
| "SAR": "1:1", | |
| "SourceName": "scale_qsv@f1", | |
| "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": "scale_qsv@f1", | |
| "DestPadName": "default", | |
| "Format": "qsv", | |
| "Height": 800, | |
| "HwFramesContext": { | |
| "HasHwFramesContext": true, | |
| "Height": 800, | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "HwPixelFormat": "qsv", | |
| "SwPixelFormat": "p010le", | |
| "Width": 1920 | |
| }, | |
| "MediaTypeId": 0, | |
| "SampleRate": 0, | |
| "SAR": "1:1", | |
| "SourceName": "graph 0 input from stream 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": "qsv", | |
| "Height": 800, | |
| "HwFramesContext": { | |
| "HasHwFramesContext": true, | |
| "Height": 800, | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "HwPixelFormat": "qsv", | |
| "SwPixelFormat": "nv12", | |
| "Width": 1920 | |
| }, | |
| "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": "qsv", | |
| "Height": 800, | |
| "HwFramesContext": { | |
| "HasHwFramesContext": true, | |
| "Height": 800, | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "HwPixelFormat": "qsv", | |
| "SwPixelFormat": "nv12", | |
| "Width": 1920 | |
| }, | |
| "MediaTypeId": 0, | |
| "SampleRate": 0, | |
| "SAR": "1:1", | |
| "SourceName": "scale_qsv@f1", | |
| "SourcePadName": "default", | |
| "Width": 1920 | |
| } | |
| ], | |
| "Name": "format", | |
| "Name2": "format", | |
| "Outputs": [{ | |
| "LinkType": "Output", | |
| "ChannelLayout": 0, | |
| "Channels": 0, | |
| "DestName": "out_0_0", | |
| "DestPadName": "default", | |
| "Format": "qsv", | |
| "Height": 800, | |
| "HwFramesContext": { | |
| "HasHwFramesContext": true, | |
| "Height": 800, | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "HwPixelFormat": "qsv", | |
| "SwPixelFormat": "nv12", | |
| "Width": 1920 | |
| }, | |
| "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": "qsv", | |
| "Height": 800, | |
| "HwFramesContext": { | |
| "HasHwFramesContext": true, | |
| "Height": 800, | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "HwPixelFormat": "qsv", | |
| "SwPixelFormat": "p010le", | |
| "Width": 1920 | |
| }, | |
| "MediaType": "video", | |
| "MediaTypeId": 0, | |
| "Name1": "scale_qsv", | |
| "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": "qsv", | |
| "Height": 800, | |
| "MediaType": "video", | |
| "MediaTypeId": 0, | |
| "Name1": "scale_qsv", | |
| "Name2": "out_0_0", | |
| "Name3": "buffersink", | |
| "SampleRate": 0, | |
| "Width": 1920 | |
| } | |
| ] | |
| }, { | |
| "Filters": [{ | |
| "Filter": { | |
| "Description": "Change input volume.", | |
| "HwDeviceContext": { | |
| "DeviceType": "qsv", | |
| "HasHwDeviceContext": true | |
| }, | |
| "Inputs": [{ | |
| "LinkType": "Input", | |
| "ChannelLayout": 1551, | |
| "Channels": 6, | |
| "ChannelString": "5.1(side)", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "graph_1_in_0_1", | |
| "SourcePadName": "default", | |
| "Width": 0 | |
| } | |
| ], | |
| "Name": "Parsed_volume_0", | |
| "Name2": "volume", | |
| "Outputs": [{ | |
| "LinkType": "Output", | |
| "ChannelLayout": 1551, | |
| "Channels": 6, | |
| "ChannelString": "5.1(side)", | |
| "DestName": "auto_resampler_0", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "Parsed_volume_0", | |
| "Width": 0 | |
| } | |
| ] | |
| } | |
| }, { | |
| "Filter": { | |
| "Description": "Buffer audio frames, and make them accessible to the filterchain.", | |
| "Inputs": [ | |
| ], | |
| "Name": "graph_1_in_0_1", | |
| "Name2": "abuffer", | |
| "Outputs": [{ | |
| "LinkType": "Output", | |
| "ChannelLayout": 1551, | |
| "Channels": 6, | |
| "ChannelString": "5.1(side)", | |
| "DestName": "Parsed_volume_0", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "graph_1_in_0_1", | |
| "Width": 0 | |
| } | |
| ] | |
| } | |
| }, { | |
| "Filter": { | |
| "Description": "Buffer audio frames, and make them available to the end of the filter graph.", | |
| "Inputs": [{ | |
| "LinkType": "Input", | |
| "ChannelLayout": 3, | |
| "Channels": 2, | |
| "ChannelString": "stereo", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "format_out_0_1", | |
| "SourcePadName": "default", | |
| "Width": 0 | |
| } | |
| ], | |
| "Name": "out_0_1", | |
| "Name2": "abuffersink", | |
| "Outputs": [ | |
| ] | |
| } | |
| }, { | |
| "Filter": { | |
| "Description": "Convert the input audio to one of the specified formats.", | |
| "Inputs": [{ | |
| "LinkType": "Input", | |
| "ChannelLayout": 3, | |
| "Channels": 2, | |
| "ChannelString": "stereo", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "auto_resampler_0", | |
| "SourcePadName": "default", | |
| "Width": 0 | |
| } | |
| ], | |
| "Name": "format_out_0_1", | |
| "Name2": "aformat", | |
| "Outputs": [{ | |
| "LinkType": "Output", | |
| "ChannelLayout": 3, | |
| "Channels": 2, | |
| "ChannelString": "stereo", | |
| "DestName": "out_0_1", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "format_out_0_1", | |
| "Width": 0 | |
| } | |
| ] | |
| } | |
| }, { | |
| "Filter": { | |
| "Description": "Resample audio data.", | |
| "Inputs": [{ | |
| "LinkType": "Input", | |
| "ChannelLayout": 1551, | |
| "Channels": 6, | |
| "ChannelString": "5.1(side)", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "Parsed_volume_0", | |
| "SourcePadName": "default", | |
| "Width": 0 | |
| } | |
| ], | |
| "Name": "auto_resampler_0", | |
| "Name2": "aresample", | |
| "Outputs": [{ | |
| "LinkType": "Output", | |
| "ChannelLayout": 3, | |
| "Channels": 2, | |
| "ChannelString": "stereo", | |
| "DestName": "format_out_0_1", | |
| "DestPadName": "default", | |
| "Height": 0, | |
| "MediaTypeId": 0, | |
| "SampleRate": 48000, | |
| "SourceName": "auto_resampler_0", | |
| "Width": 0 | |
| } | |
| ] | |
| } | |
| } | |
| ], | |
| "GraphIndex": 1, | |
| "Inputs": [{ | |
| "LinkType": "Input", | |
| "ChannelLayout": 0, | |
| "Channels": 0, | |
| "Description": "Buffer audio frames, and make them accessible to the filterchain.", | |
| "Format": "gray", | |
| "Height": 0, | |
| "MediaType": "audio", | |
| "MediaTypeId": 1, | |
| "Name2": "graph_1_in_0_1", | |
| "Name3": "abuffer", | |
| "SampleRate": 0, | |
| "SAR": "0:1", | |
| "Width": 0 | |
| } | |
| ], | |
| "Outputs": [{ | |
| "LinkType": "Output", | |
| "ChannelLayout": 0, | |
| "Channels": 0, | |
| "Description": "Buffer audio frames, and make them available to the end of the filter graph.", | |
| "Format": "gray", | |
| "Height": 0, | |
| "MediaType": "audio", | |
| "MediaTypeId": 1, | |
| "Name2": "out_0_1", | |
| "Name3": "abuffersink", | |
| "SampleRate": 0, | |
| "Width": 0 | |
| } | |
| ] | |
| } | |
| ] | |
| } | |
| } |
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