--- title: "Retrieve asset input info" method: GET path: "/video/v1/assets/{ASSET_ID}/input-info" tags: ["Assets"] --- # Retrieve asset input info `GET /video/v1/assets/{ASSET_ID}/input-info` Returns a list of the input objects that were used to create the asset along with any settings that were applied to each input. ## Path parameters - `ASSET_ID` string, required ## Response `200` OK - GetAssetInputInfoResponse - `data` InputInfo[], required - `settings` InputSettings — An array of objects that each describe an input file to be used to create the asset. As a shortcut, `input` can also be a string URL for a file when only one input file is used. See `input[].url` for requirements. - `url` string — The URL of the file that Mux should download and use. * For the main input file, this should be the URL to the muxed file for Mux to download, for example an MP4, MOV, MKV, or TS file. Mux supports most audio/video file formats and codecs, but for fastest processing, you should [use standard inputs wherever possible](https://docs.mux.com/guides/minimize-processing-time). * For `audio` tracks, the URL is the location of the audio file for Mux to download, for example an M4A, WAV, or MP3 file. Mux supports most audio file formats and codecs, but for fastest processing, you should [use standard inputs wherever possible](https://docs.mux.com/guides/minimize-processing-time). * For `text` tracks, the URL is the location of subtitle/captions file. Mux supports [SubRip Text (SRT)](https://en.wikipedia.org/wiki/SubRip) and [Web Video Text Tracks](https://www.w3.org/TR/webvtt1/) formats for ingesting Subtitles and Closed Captions. * For Watermarking or Overlay, the URL is the location of the watermark image. The maximum size is 4096x4096. * When creating clips from existing Mux assets, the URL is defined with `mux://assets/{asset_id}` template where `asset_id` is the Asset Identifier for creating the clip from. The url property may be omitted on the first input object when providing asset settings for LiveStream and Upload objects, in order to configure settings related to the primary (live stream or direct upload) input. - `overlay_settings` object — An object that describes how the image file referenced in URL should be placed over the video (i.e. watermarking). Ensure that the URL is active and persists the entire lifespan of the video object. - `vertical_align` 'top' | 'middle' | 'bottom' — Where the vertical positioning of the overlay/watermark should begin from. Defaults to `"top"` - `vertical_margin` string — The distance from the vertical_align starting point and the image's closest edge. Can be expressed as a percent ("10%") or as a pixel value ("100px"). Negative values will move the overlay offscreen. In the case of 'middle', a positive value will shift the overlay towards the bottom and and a negative value will shift it towards the top. - `horizontal_align` 'left' | 'center' | 'right' — Where the horizontal positioning of the overlay/watermark should begin from. - `horizontal_margin` string — The distance from the horizontal_align starting point and the image's closest edge. Can be expressed as a percent ("10%") or as a pixel value ("100px"). Negative values will move the overlay offscreen. In the case of 'center', a positive value will shift the image towards the right and and a negative value will shift it towards the left. - `width` string — How wide the overlay should appear. Can be expressed as a percent ("10%") or as a pixel value ("100px"). If both width and height are left blank the width will be the true pixels of the image, applied as if the video has been scaled to fit a 1920x1080 frame. If height is supplied with no width, the width will scale proportionally to the height. - `height` string — How tall the overlay should appear. Can be expressed as a percent ("10%") or as a pixel value ("100px"). If both width and height are left blank the height will be the true pixels of the image, applied as if the video has been scaled to fit a 1920x1080 frame. If width is supplied with no height, the height will scale proportionally to the width. - `opacity` string — How opaque the overlay should appear, expressed as a percent. (Default 100%) - `generated_subtitles` AssetGeneratedSubtitleSettings[] — Generate subtitle tracks using automatic speech recognition with this configuration. Subtitles are generated using the audio of the input they are nested within. For direct uploads, this first input should omit the url parameter, as the main input file is provided via the direct upload. Note that subtitle generation happens after initial ingest, so the generated tracks will be in the `preparing` state when the asset transitions to `ready`. - `name` string — A name for this subtitle track. - `passthrough` string — Arbitrary metadata set for the subtitle track. Max 255 characters. - `language_code` 'en' | 'es' | 'it' | 'pt' | 'de' | 'fr' | 'pl' | 'ru' | 'nl' | 'ca' | 'tr' | 'sv' | 'uk' | 'no' | 'fi' | 'sk' | 'el' | 'cs' | 'hr' | 'da' | 'ro' | 'bg' | 'auto' — The language of the audio from which subtitles are generated. Selecting a language of "auto" will allow language detection to set the language code automatically. - `start_time` number, double — The time offset in seconds from the beginning of the video indicating the clip's starting marker. The default value is 0 when not included. This parameter is only applicable for creating clips when `input.url` has `mux://assets/{asset_id}` format. - `end_time` number, double — The time offset in seconds from the beginning of the video, indicating the clip's ending marker. The default value is the duration of the video when not included. This parameter is only applicable for creating clips when `input.url` has `mux://assets/{asset_id}` format. - `type` 'video' | 'audio' | 'text' — This parameter is required for `text` type tracks. - `text_type` 'subtitles' — Type of text track. This parameter only supports subtitles value. For more information on Subtitles / Closed Captions, [see this blog post](https://mux.com/blog/subtitles-captions-webvtt-hls-and-those-magic-flags/). This parameter is required for `text` type tracks. - `language_code` string — The language code value must be a valid [BCP 47](https://tools.ietf.org/html/bcp47) specification compliant value. For example, `en` for English or `en-US` for the US version of English. This parameter is required for `text` and `audio` track types. - `name` string — The name of the track containing a human-readable description. This value must be unique within each group of `text` or `audio` track types. The HLS manifest will associate a subtitle text track with this value. For example, the value should be "English" for a subtitle text track with `language_code` set to `en`. This optional parameter should be used only for `text` and `audio` type tracks. This parameter can be optionally provided for the first video input to denote the name of the muxed audio track if present. If this parameter is not included, Mux will auto-populate based on the `input[].language_code` value. - `closed_captions` boolean — Indicates the track provides Subtitles for the Deaf or Hard-of-hearing (SDH). This optional parameter should be used for tracks with `type` of `text` and `text_type` set to `subtitles`. - `passthrough` string — This optional parameter should be used for tracks with `type` of `text` and `text_type` set to `subtitles`. - `file` InputFile - `container_format` string - `tracks` InputTrack[] - `type` string, required - `duration` number, double - `encoding` string - `width` integer - `height` integer - `frame_rate` number, double - `sample_rate` integer - `sample_size` integer - `channels` integer --- [API](https://skmtc.net/muxinc/apis/mux-api.md) · [All operations](https://skmtc.net/muxinc/apis/mux-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/muxinc/mux-api/revisions/34a65dce0f31/schema)