We are a Swiss Army knife for your files
Transloadit is a service for companies with developers. We handle their file uploads and media processing. This means that they can save on development time and the heavy machinery that is required to handle big volumes in an automated way.
We pioneered with this concept in 2009 and have made our customers happy ever since. We are still actively improving our service in 2024, as well as our open source projects uppy.io and tus.io, which are changing how the world does file uploading.
Encode a fade effect between concatenated video files.
🤖/video/concat enables you to concatenate together all your video files quickly and easily whilst encoding a fade effect between each clip.
If you were looking for a way to add some extra flair to your concatenated videos you are in luck.
With this demo, we are going to show how adding both the video_fade_seconds and
audio_fade_seconds parameters can make all the difference. As well, we are going to
look into how we can overcome the parameters shortcoming of not adding a fade effect at the
beginning of your videos using the ffmpeg parameter.
To make sure we have everything all set up as needed for our concatenation to take place, we first
need to resize both of our video clips. We do this by passing both our imported videos to
🤖/video/encode making sure we set the same
dimensions and preset value.
Now we have both our files prepared we can pass them to
🤖/video/concat. Within our
use parameter we set up both the name value of our previously resized
step, along with an as value. When concatenating videos the order they are
set in is specified by how we set up by our as value, so for example
as: "video_1" would come before as: "video_2".
To add our fancy fade effect we set up both the video_fade_seconds and
audio_fade_seconds parameters with values to specify how long we want these
transitions to last between each video file. These parameters allow you to seamlessly create both
an audio and video fade effect between your video files. This even allows for millisecond values
to be represented by using decimal values. So if you wanted the fade effect to last 750
milliseconds, you would select 0.75.
With our fade effects in place, why don't we add a video fade at the beginning of our video?
Because 🤖/video/concat works by using
FFMpeg, if we try add any additional
vf parameter values, this will result in a error. So to bypass this, we need to pass
our concatenate step to 🤖/video/encode. We have
already encoded our videos preset value in our previous step, so no need to do that
again. Simply add a preset parameter, and set its value to empty so the
Robot can run as intended.
Using our ffmpeg parameter, we set up a vf parameter and set its value
to fade=type=in:duration=1. This creates a video fade-in effect at the start of our
final file.
Now with everything set up, we are good to run and see the final result. Happy Encoding!
⚠️ It seems your browser does not send the referer, which we need to stop people from
(ab)using our demos in other websites.
If you want to use the demos, please allow your browser to send its referer to us. Adding us
to the allowlist of blockers usually helps.
Step 1:
Handle uploads
We can handle uploads of your users directly. Learn more ›
⚠️ It seems your browser does not support the codec used in this video of the
page.
For demo simplicity we'll link you to the original file, but you may also want to
learn how to make videos compatible for all browsers.
kite10.mp4
MPEG-4 video –
2.0 MB
13s · 1024 × 768
13s · 1024 × 768
Step 2:
Import files from web servers
We are happy to import from whatever storage solution suits you best. Learn more ›
⚠️ It seems your browser does not support the codec used in this video of the
page.
For demo simplicity we'll link you to the original file, but you may also want to
learn how to make videos compatible for all browsers.
waves10-0.mp4
MPEG-4 video –
1.9 MB
13s · 1024 × 768
13s · 1024 × 768
Step 3:
Resize videos to 480×270 and encode for iPad (high quality) (H.264)
We offer a variety of video encoding features like optimizing for different devices, merging, injecting ads, changing audio tracks, or adding company logos. Learn more ›
⚠️ It seems your browser does not support the codec used in this video of the
page.
For demo simplicity we'll link you to the original file, but you may also want to
learn how to make videos compatible for all browsers.
waves10-0.mp4
MPEG-4 video –
1.9 MB
13s · 480 × 270
13s · 480 × 270
Step 4:
Resize videos to 480×270 and encode for iPad (high quality) (H.264)
⚠️ It seems your browser does not support the codec used in this video of the
page.
For demo simplicity we'll link you to the original file, but you may also want to
learn how to make videos compatible for all browsers.
kite10-0.mp4
MPEG-4 video –
2.0 MB
13s · 480 × 270
13s · 480 × 270
Step 5:
Concatenate videos
We offer a variety of video encoding features like optimizing for different devices, merging, injecting ads, changing audio tracks, or adding company logos. Learn more ›
⚠️ It seems your browser does not support the codec used in this video of the
page.
For demo simplicity we'll link you to the original file, but you may also want to
learn how to make videos compatible for all browsers.
kite10_waves10-0.mp4
MPEG-4 video –
4.0 MB
26s · 480 × 270
26s · 480 × 270
Step 6:
Transcode videos to original codec Settings
⚠️ It seems your browser does not support the codec used in this video of the
page.
For demo simplicity we'll link you to the original file, but you may also want to
learn how to make videos compatible for all browsers.
kite10_waves10-0.mp4
MPEG-4 video –
1.1 MB
26s · 480 × 270
26s · 480 × 270
Step 7:
Export files to Amazon S3
We export to the storage platform of your choice. Learn more ›
:original
preroll_imported
preroll_resized
original_resized
concatenated
encode
Once all files have been exported, we can ping a URL of your choice with the Assembly status JSON.
Build this in your own language
{
"steps": {
":original": {
"robot": "/upload/handle"
},
"preroll_imported": {
"robot": "/http/import",
"result": true,
"url": "https://demos.transloadit.com/inputs/waves10.mp4"
},
"preroll_resized": {
"robot": "/video/encode",
"use": "preroll_imported",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false
},
"original_resized": {
"robot": "/video/encode",
"use": ":original",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false
},
"concatenated": {
"use": {
"steps": [
{
"name": "original_resized",
"as": "video_1"
},
, {
"name": "preroll_resized",
"as": "video_2"
}
]
},
"robot": "/video/concat",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"video_fade_seconds": 1,
"audio_fade_seconds": 1
},
"encode": {
"use": "concatenated",
"robot": "/video/encode",
"preset": "empty",
"ffmpeg": {
"vf": "fade=type=in:duration=1"
},
"ffmpeg_stack": "v6.0.0",
"turbo": false
},
"exported": {
"use": ["preroll_imported", "preroll_resized", "original_resized", "concatenated", "encode", ":original"],
"robot": "/s3/store",
"credentials": "YOUR_AWS_CREDENTIALS",
"url_prefix": "https://demos.transloadit.com/"
}
}
}
# Prerequisites: brew install curl jq || sudo apt install curl jq
# To avoid tampering, use Signature Authentication
echo '{
"template_id": undefined,
"auth": {
"key": "YOUR_TRANSLOADIT_KEY"
},
"steps": {
":original": {
"robot": "/upload/handle"
},
"preroll_imported": {
"robot": "/http/import",
"result": true,
"url": "https://demos.transloadit.com/inputs/waves10.mp4"
},
"preroll_resized": {
"robot": "/video/encode",
"use": "preroll_imported",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false
},
"original_resized": {
"robot": "/video/encode",
"use": ":original",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false
},
"concatenated": {
"use": {
"steps": [
{
"name": "original_resized",
"as": "video_1"
},
, {
"name": "preroll_resized",
"as": "video_2"
}
]
},
"robot": "/video/concat",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"video_fade_seconds": 1,
"audio_fade_seconds": 1
},
"encode": {
"use": "concatenated",
"robot": "/video/encode",
"preset": "empty",
"ffmpeg": {
"vf": "fade=type=in:duration=1"
},
"ffmpeg_stack": "v6.0.0",
"turbo": false
},
"exported": {
"use": ["preroll_imported", "preroll_resized", "original_resized", "concatenated", "encode", ":original"],
"robot": "/s3/store",
"credentials": "YOUR_AWS_CREDENTIALS",
"url_prefix": "https://demos.transloadit.com/"
}
}
}' |curl \
--request POST \
--form 'params=<-' \
--form myfile1=@./kite10.mp4 \
https://api2.transloadit.com/assemblies \
|jq
// Install via Swift Package Manager:
// dependencies: [
// .package(url: "https://github.com/transloadit/TransloaditKit", .upToNextMajor(from: "3.0.0"))
// ]
// Or via CocoaPods:
// pod 'Transloadit', '~> 3.0.0'
// Auth
let credentials = Credentials(key: "YOUR_TRANSLOADIT_KEY")
// Init
let transloadit = Transloadit(credentials: credentials, session: "URLSession.shared")
// Add files to upload
let filesToUpload: [URL] = ...
// Execute
let assembly = transloadit.assembly(steps: [
_originalStep,
, preroll_importedStep,
, preroll_resizedStep,
, original_resizedStep,
, concatenatedStep,
, encodeStep,
, exportedStep,
], andUpload: filesToUpload) { result in
switch result {
case .success(let assembly):
print("Retrieved (assembly)")
case .failure(let error):
print("Assembly error (error)")
}
}.pollAssemblyStatus { result in
switch result {
case .success(let assemblyStatus):
print("Received assemblystatus (assemblyStatus)")
case .failure(let error):
print("Caught polling error (error)")
}
<body>
<form action="/uploads" enctype="multipart/form-data" method="POST">
<input type="file" name="my_file" multiple="multiple" />
</form>
<script src="//ajax.googleapis.com/ajax/libs/jquery/3.2.0/jquery.min.js"></script>
<script src="//assets.transloadit.com/js/jquery.transloadit2-v3-latest.js"></script>
<script type="text/javascript">
$(function () {
$('form').transloadit({
wait: true,
triggerUploadOnFileSelection: true,
// To avoid tampering, use Signature Authentication:
// https://transloadit.com/docs/topics/signature-authentication/
auth: {
key: 'YOUR_TRANSLOADIT_KEY',
},
// It's often better store encoding instructions in your account
// and use a `template_id` instead of adding these steps inline
steps: {
':original': {
robot: '/upload/handle',
},
preroll_imported: {
robot: '/http/import',
result: true,
url: 'https://demos.transloadit.com/inputs/waves10.mp4',
},
preroll_resized: {
robot: '/video/encode',
use: 'preroll_imported',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
width: 480,
height: 270,
resize_strategy: 'pad',
background: '#000000',
turbo: false,
},
original_resized: {
robot: '/video/encode',
use: ':original',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
width: 480,
height: 270,
resize_strategy: 'pad',
background: '#000000',
turbo: false,
},
concatenated: {
use: {
steps: [
{
name: 'original_resized',
as: 'video_1',
},
, {
name: 'preroll_resized',
as: 'video_2',
},
],
},
robot: '/video/concat',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
video_fade_seconds: 1,
audio_fade_seconds: 1,
},
encode: {
use: 'concatenated',
robot: '/video/encode',
preset: 'empty',
ffmpeg: {
vf: 'fade=type=in:duration=1',
},
ffmpeg_stack: 'v6.0.0',
turbo: false,
},
exported: {
use: ['preroll_imported', 'preroll_resized', 'original_resized', 'concatenated', 'encode', ':original'],
robot: '/s3/store',
credentials: 'YOUR_AWS_CREDENTIALS',
url_prefix: 'https://demos.transloadit.com/',
},
},
})
})
</script>
</body>
<!-- This pulls Uppy from our CDN -->
<!-- For smaller self-hosted bundles, install Uppy and plugins manually: -->
<!-- npm i --save @uppy/core @uppy/dashboard @uppy/remote-sources @uppy/transloadit ... -->
<link
href="https://releases.transloadit.com/uppy/v3.22.2/uppy.min.css"
rel="stylesheet"
/>
<button id="browse">Select Files</button>
<script type="module">
import {
Uppy,
Dashboard,
ImageEditor,
RemoteSources,
Transloadit,
} from 'https://releases.transloadit.com/uppy/v3.22.2/uppy.min.mjs'
const uppy = new Uppy()
.use(Transloadit, {
waitForEncoding: true,
alwaysRunAssembly: true,
assemblyOptions: {
params: {
// To avoid tampering, use Signature Authentication:
// https://transloadit.com/docs/topics/signature-authentication/
auth: {
key: 'YOUR_TRANSLOADIT_KEY',
},
// It's often better store encoding instructions in your account
// and use a `template_id` instead of adding these steps inline
steps: {
':original': {
robot: '/upload/handle',
},
preroll_imported: {
robot: '/http/import',
result: true,
url: 'https://demos.transloadit.com/inputs/waves10.mp4',
},
preroll_resized: {
robot: '/video/encode',
use: 'preroll_imported',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
width: 480,
height: 270,
resize_strategy: 'pad',
background: '#000000',
turbo: false,
},
original_resized: {
robot: '/video/encode',
use: ':original',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
width: 480,
height: 270,
resize_strategy: 'pad',
background: '#000000',
turbo: false,
},
concatenated: {
use: {
steps: [
{
name: 'original_resized',
as: 'video_1',
},
, {
name: 'preroll_resized',
as: 'video_2',
},
],
},
robot: '/video/concat',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
video_fade_seconds: 1,
audio_fade_seconds: 1,
},
encode: {
use: 'concatenated',
robot: '/video/encode',
preset: 'empty',
ffmpeg: {
vf: 'fade=type=in:duration=1',
},
ffmpeg_stack: 'v6.0.0',
turbo: false,
},
exported: {
use: ['preroll_imported', 'preroll_resized', 'original_resized', 'concatenated', 'encode', ':original'],
robot: '/s3/store',
credentials: 'YOUR_AWS_CREDENTIALS',
url_prefix: 'https://demos.transloadit.com/',
},
},
},
},
})
.use(Dashboard, { trigger: '#browse' })
.use(ImageEditor, { target: Dashboard })
.use(RemoteSources, {
companionUrl: 'https://api2.transloadit.com/companion',
})
.on('complete', ({ transloadit }) => {
// Due to `waitForEncoding:true` this is fired after encoding is done.
// Alternatively, set `waitForEncoding` to `false` and provide a `notify_url`
console.log(transloadit) // Array of Assembly Statuses
transloadit.forEach((assembly) => {
console.log(assembly.results) // Array of all encoding results
})
})
.on('error', (error) => {
console.error(error)
})
</script>
// yarn add transloadit || npm i transloadit
// Import
const Transloadit = require('transloadit')
// Init
const transloadit = new Transloadit({
authKey: 'YOUR_TRANSLOADIT_KEY',
authSecret: 'MY_TRANSLOADIT_SECRET',
})
// Set Encoding Instructions
const options = {
files: {
myfile_1: './kite10.mp4',
},
params: {
steps: {
':original': {
robot: '/upload/handle',
},
preroll_imported: {
robot: '/http/import',
result: true,
url: 'https://demos.transloadit.com/inputs/waves10.mp4',
},
preroll_resized: {
robot: '/video/encode',
use: 'preroll_imported',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
width: 480,
height: 270,
resize_strategy: 'pad',
background: '#000000',
turbo: false,
},
original_resized: {
robot: '/video/encode',
use: ':original',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
width: 480,
height: 270,
resize_strategy: 'pad',
background: '#000000',
turbo: false,
},
concatenated: {
use: {
steps: [
{
name: 'original_resized',
as: 'video_1',
},
, {
name: 'preroll_resized',
as: 'video_2',
},
],
},
robot: '/video/concat',
result: true,
ffmpeg_stack: 'v6.0.0',
preset: 'ipad-high',
video_fade_seconds: 1,
audio_fade_seconds: 1,
},
encode: {
use: 'concatenated',
robot: '/video/encode',
preset: 'empty',
ffmpeg: {
vf: 'fade=type=in:duration=1',
},
ffmpeg_stack: 'v6.0.0',
turbo: false,
},
exported: {
use: ['preroll_imported', 'preroll_resized', 'original_resized', 'concatenated', 'encode', ':original'],
robot: '/s3/store',
credentials: 'YOUR_AWS_CREDENTIALS',
url_prefix: 'https://demos.transloadit.com/',
},
},
},
}
// Execute
const result = await transloadit.createAssembly(options)
// Show results
console.log({ result })
# [sudo] npm install transloadify -g
# Auth
export TRANSLOADIT_KEY="YOUR_TRANSLOADIT_KEY"
# Save Encoding Instructions
echo '{
"steps": {
":original": {
"robot": "/upload/handle"
},
"preroll_imported": {
"robot": "/http/import",
"result": true,
"url": "https://demos.transloadit.com/inputs/waves10.mp4"
},
"preroll_resized": {
"robot": "/video/encode",
"use": "preroll_imported",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false
},
"original_resized": {
"robot": "/video/encode",
"use": ":original",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false
},
"concatenated": {
"use": {
"steps": [
{
"name": "original_resized",
"as": "video_1"
},
, {
"name": "preroll_resized",
"as": "video_2"
}
]
},
"robot": "/video/concat",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"video_fade_seconds": 1,
"audio_fade_seconds": 1
},
"encode": {
"use": "concatenated",
"robot": "/video/encode",
"preset": "empty",
"ffmpeg": {
"vf": "fade=type=in:duration=1"
},
"ffmpeg_stack": "v6.0.0",
"turbo": false
},
"exported": {
"use": ["preroll_imported", "preroll_resized", "original_resized", "concatenated", "encode", ":original"],
"robot": "/s3/store",
"credentials": "YOUR_AWS_CREDENTIALS",
"url_prefix": "https://demos.transloadit.com/"
}
}
}' > ./steps.json
# Execute
transloadify \
--input "kite10.mp4" \
--steps "./steps.json" \
--output "./output.example"
// composer require transloadit/php-sdk
use transloadit\Transloadit;
$transloadit = new Transloadit([
"key" => "YOUR_TRANSLOADIT_KEY",
"secret" => "MY_TRANSLOADIT_SECRET",
]);
// Start the Assembly
$response = $transloadit->createAssembly([
"files" => ["kite10.mp4"],
"params" => [
"steps" => [
":original" => [
"robot" => "/upload/handle",
],
"preroll_imported" => [
"robot" => "/http/import",
"result" => true,
"url" => "https://demos.transloadit.com/inputs/waves10.mp4",
],
"preroll_resized" => [
"robot" => "/video/encode",
"use" => "preroll_imported",
"result" => true,
"ffmpeg_stack" => "v6.0.0",
"preset" => "ipad-high",
"width" => 480,
"height" => 270,
"resize_strategy" => "pad",
"background" => "#000000",
"turbo" => false,
],
"original_resized" => [
"robot" => "/video/encode",
"use" => ":original",
"result" => true,
"ffmpeg_stack" => "v6.0.0",
"preset" => "ipad-high",
"width" => 480,
"height" => 270,
"resize_strategy" => "pad",
"background" => "#000000",
"turbo" => false,
],
"concatenated" => [
"use" => [
"steps" => [
[
"name" => "original_resized",
"as" => "video_1",
],
, [
"name" => "preroll_resized",
"as" => "video_2",
],
],
],
"robot" => "/video/concat",
"result" => true,
"ffmpeg_stack" => "v6.0.0",
"preset" => "ipad-high",
"video_fade_seconds" => 1,
"audio_fade_seconds" => 1,
],
"encode" => [
"use" => "concatenated",
"robot" => "/video/encode",
"preset" => "empty",
"ffmpeg" => [
"vf" => "fade=type=in:duration=1",
],
"ffmpeg_stack" => "v6.0.0",
"turbo" => false,
],
"exported" => [
"use" => ["preroll_imported", "preroll_resized", "original_resized", "concatenated", "encode", ":original"],
"robot" => "/s3/store",
"credentials" => "YOUR_AWS_CREDENTIALS",
"url_prefix" => "https://demos.transloadit.com/",
],
],
],
]);
# gem install transloadit
# $ irb -rubygems
# >> require 'transloadit'
# => true
transloadit = Transloadit.new([
:key => "YOUR_TRANSLOADIT_KEY",
])
# Set Encoding Instructions
_original = transloadit.step(":original", "/upload/handle", {})
preroll_imported = transloadit.step("preroll_imported", "/http/import", [
:result => true,
:url => "https://demos.transloadit.com/inputs/waves10.mp4"
])
preroll_resized = transloadit.step("preroll_resized", "/video/encode", [
:use => "preroll_imported",
:result => true,
:ffmpeg_stack => "v6.0.0",
:preset => "ipad-high",
:width => 480,
:height => 270,
:resize_strategy => "pad",
:background => "#000000",
:turbo => false
])
original_resized = transloadit.step("original_resized", "/video/encode", [
:use => ":original",
:result => true,
:ffmpeg_stack => "v6.0.0",
:preset => "ipad-high",
:width => 480,
:height => 270,
:resize_strategy => "pad",
:background => "#000000",
:turbo => false
])
concatenated = transloadit.step("concatenated", "/video/concat", [
:use => [
:steps => [
[
:name => "original_resized",
:as => "video_1"
],
, [
:name => "preroll_resized",
:as => "video_2"
]
]
],
:result => true,
:ffmpeg_stack => "v6.0.0",
:preset => "ipad-high",
:video_fade_seconds => 1,
:audio_fade_seconds => 1
])
encode = transloadit.step("encode", "/video/encode", [
:use => "concatenated",
:preset => "empty",
:ffmpeg => [
:vf => "fade=type=in:duration=1"
],
:ffmpeg_stack => "v6.0.0",
:turbo => false
])
exported = transloadit.step("exported", "/s3/store", [
:use => ["preroll_imported", "preroll_resized", "original_resized", "concatenated", "encode", ":original"],
:credentials => "YOUR_AWS_CREDENTIALS",
:url_prefix => "https://demos.transloadit.com/"
])
transloadit.assembly([
:steps => [_original, preroll_imported, preroll_resized, original_resized, concatenated, encode, exported]
])
# Add files to upload
files = []
files.push("kite10.mp4")
# Start the Assembly
response = assembly.create! *files
until response.finished?
sleep 1; response.reload!
end
if !response.error?
# handle success
end
# pip install pytransloadit
from transloadit import client
tl = client.Transloadit('YOUR_TRANSLOADIT_KEY', 'MY_TRANSLOADIT_SECRET')
assembly = tl.new_assembly()
# Set Encoding Instructions
assembly.add_step(":original", "/upload/handle", {})
assembly.add_step("preroll_imported", "/http/import", {
'result': True,
'url': 'https://demos.transloadit.com/inputs/waves10.mp4'
})
assembly.add_step("preroll_resized", "/video/encode", {
'use': 'preroll_imported',
'result': True,
'ffmpeg_stack': 'v6.0.0',
'preset': 'ipad-high',
'width': 480,
'height': 270,
'resize_strategy': 'pad',
'background': '#000000',
'turbo': False
})
assembly.add_step("original_resized", "/video/encode", {
'use': ':original',
'result': True,
'ffmpeg_stack': 'v6.0.0',
'preset': 'ipad-high',
'width': 480,
'height': 270,
'resize_strategy': 'pad',
'background': '#000000',
'turbo': False
})
assembly.add_step("concatenated", "/video/concat", {
'use': {
'steps': [
{
'name': 'original_resized',
'as': 'video_1'
},
, {
'name': 'preroll_resized',
'as': 'video_2'
}
]
},
'result': True,
'ffmpeg_stack': 'v6.0.0',
'preset': 'ipad-high',
'video_fade_seconds': 1,
'audio_fade_seconds': 1
})
assembly.add_step("encode", "/video/encode", {
'use': 'concatenated',
'preset': 'empty',
'ffmpeg': {
'vf': 'fade=type=in:duration=1'
},
'ffmpeg_stack': 'v6.0.0',
'turbo': False
})
assembly.add_step("exported", "/s3/store", {
'use': ['preroll_imported', 'preroll_resized', 'original_resized', 'concatenated', 'encode', ':original'],
'credentials': 'YOUR_AWS_CREDENTIALS',
'url_prefix': 'https://demos.transloadit.com/'
})
# Add files to upload
assembly.add_file(open('kite10.mp4', 'rb'))
# Start the Assembly
assembly_response = assembly.create(retries=5, wait=True)
print(assembly_response.data.get('assembly_ssl_url'))
# or:
print(assembly_response.data['assembly_ssl_url'])
// go get gopkg.in/transloadit/go-sdk.v1
package main
import (
"context"
"fmt"
"github.com/transloadit/go-sdk"
)
func main() {
// Create client
options := transloadit.DefaultConfig
options.AuthKey = "YOUR_TRANSLOADIT_KEY"
options.AuthSecret = "MY_TRANSLOADIT_SECRET"
client := transloadit.NewClient(options)
// Initialize new Assembly
assembly := transloadit.NewAssembly()
// Set Encoding Instructions
assembly.AddStep(":original", map[string]interface{}{
"robot": "/upload/handle",
})
assembly.AddStep("preroll_imported", map[string]interface{}{
"robot": "/http/import",
"result": true,
"url": "https://demos.transloadit.com/inputs/waves10.mp4",
})
assembly.AddStep("preroll_resized", map[string]interface{}{
"robot": "/video/encode",
"use": "preroll_imported",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false,
})
assembly.AddStep("original_resized", map[string]interface{}{
"robot": "/video/encode",
"use": ":original",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"width": 480,
"height": 270,
"resize_strategy": "pad",
"background": "#000000",
"turbo": false,
})
assembly.AddStep("concatenated", map[string]interface{}{
"use": map[string]interface{}{
"steps": [
map[string]interface{}{
"name": "original_resized",
"as": "video_1",
},
, map[string]interface{}{
"name": "preroll_resized",
"as": "video_2",
},
],
},
"robot": "/video/concat",
"result": true,
"ffmpeg_stack": "v6.0.0",
"preset": "ipad-high",
"video_fade_seconds": 1,
"audio_fade_seconds": 1,
})
assembly.AddStep("encode", map[string]interface{}{
"use": "concatenated",
"robot": "/video/encode",
"preset": "empty",
"ffmpeg": map[string]interface{}{
"vf": "fade=type=in:duration=1",
},
"ffmpeg_stack": "v6.0.0",
"turbo": false,
})
assembly.AddStep("exported", map[string]interface{}{
"use": ["preroll_imported", "preroll_resized", "original_resized", "concatenated", "encode", ":original"],
"robot": "/s3/store",
"credentials": "YOUR_AWS_CREDENTIALS",
"url_prefix": "https://demos.transloadit.com/",
})
// Add files to upload
assembly.AddFile("kite10.mp4"))
// Start the Assembly
info, err := client.StartAssembly(context.Background(), assembly)
if err != nil {
panic(err)
}
// All files have now been uploaded and the Assembly has started but no
// results are available yet since the conversion has not finished.
// WaitForAssembly provides functionality for polling until the Assembly
// has ended.
info, err = client.WaitForAssembly(context.Background(), info)
if err != nil {
panic(err)
}
fmt.Printf("You can check some results at: ")
fmt.Printf(" - %s\n", info.Results[":original"][0].SSLURL)
fmt.Printf(" - %s\n", info.Results["preroll_imported"][0].SSLURL)
fmt.Printf(" - %s\n", info.Results["preroll_resized"][0].SSLURL)
fmt.Printf(" - %s\n", info.Results["original_resized"][0].SSLURL)
fmt.Printf(" - %s\n", info.Results["concatenated"][0].SSLURL)
fmt.Printf(" - %s\n", info.Results["encode"][0].SSLURL)
fmt.Printf(" - %s\n", info.Results["exported"][0].SSLURL)
}
// implementation 'com.transloadit.sdk:transloadit:1.0.0
import com.transloadit.sdk.Assembly;
import com.transloadit.sdk.Transloadit;
import com.transloadit.sdk.exceptions.LocalOperationException;
import com.transloadit.sdk.exceptions.RequestException;
import com.transloadit.sdk.response.AssemblyResponse;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
public class Main {
public static void main(String[] args) {
// Initialize the Transloadit client
Transloadit transloadit = new Transloadit("YOUR_TRANSLOADIT_KEY", "MY_TRANSLOADIT_SECRET");
Assembly assembly = transloadit.newAssembly();
// Set Encoding Instructions
Map<String, Object> _originalStepOptions = new HashMap();
assembly.addStep(":original", "/upload/handle", _originalStepOptions);
Map<String, Object> preroll_importedStepOptions = new HashMap();
preroll_importedStepOptions.put("result", true);
preroll_importedStepOptions.put("url", "https://demos.transloadit.com/inputs/waves10.mp4");
assembly.addStep("preroll_imported", "/http/import", preroll_importedStepOptions);
Map<String, Object> preroll_resizedStepOptions = new HashMap();
preroll_resizedStepOptions.put("use", "preroll_imported");
preroll_resizedStepOptions.put("result", true);
preroll_resizedStepOptions.put("ffmpeg_stack", "v6.0.0");
preroll_resizedStepOptions.put("preset", "ipad-high");
preroll_resizedStepOptions.put("width", 480);
preroll_resizedStepOptions.put("height", 270);
preroll_resizedStepOptions.put("resize_strategy", "pad");
preroll_resizedStepOptions.put("background", "#000000");
preroll_resizedStepOptions.put("turbo", false);
assembly.addStep("preroll_resized", "/video/encode", preroll_resizedStepOptions);
Map<String, Object> original_resizedStepOptions = new HashMap();
original_resizedStepOptions.put("use", ":original");
original_resizedStepOptions.put("result", true);
original_resizedStepOptions.put("ffmpeg_stack", "v6.0.0");
original_resizedStepOptions.put("preset", "ipad-high");
original_resizedStepOptions.put("width", 480);
original_resizedStepOptions.put("height", 270);
original_resizedStepOptions.put("resize_strategy", "pad");
original_resizedStepOptions.put("background", "#000000");
original_resizedStepOptions.put("turbo", false);
assembly.addStep("original_resized", "/video/encode", original_resizedStepOptions);
Map<String, Object> concatenatedStepOptions = new HashMap();
concatenatedStepOptions.put("use", {
"steps": new String[] { {
"name": "original_resized",
"as": "video_1",
}, {
"name": "preroll_resized",
"as": "video_2",
} },
});
concatenatedStepOptions.put("result", true);
concatenatedStepOptions.put("ffmpeg_stack", "v6.0.0");
concatenatedStepOptions.put("preset", "ipad-high");
concatenatedStepOptions.put("video_fade_seconds", 1);
concatenatedStepOptions.put("audio_fade_seconds", 1);
assembly.addStep("concatenated", "/video/concat", concatenatedStepOptions);
Map<String, Object> encodeStepOptions = new HashMap();
encodeStepOptions.put("use", "concatenated");
encodeStepOptions.put("preset", "empty");
encodeStepOptions.put("ffmpeg", {
"vf": "fade=type=in:duration=1",
});
encodeStepOptions.put("ffmpeg_stack", "v6.0.0");
encodeStepOptions.put("turbo", false);
assembly.addStep("encode", "/video/encode", encodeStepOptions);
Map<String, Object> exportedStepOptions = new HashMap();
exportedStepOptions.put("use", new String[] { "preroll_imported", "preroll_resized", "original_resized", "concatenated", "encode", ":original" });
exportedStepOptions.put("credentials", "YOUR_AWS_CREDENTIALS");
exportedStepOptions.put("url_prefix", "https://demos.transloadit.com/");
assembly.addStep("exported", "/s3/store", exportedStepOptions);
// Add files to upload
assembly.addFile(new File("kite10.mp4"));
// Start the Assembly
try {
AssemblyResponse response = assembly.save();
// Wait for Assembly to finish executing
while (!response.isFinished()) {
response = transloadit.getAssemblyByUrl(response.getSslUrl());
}
System.out.println(response.getId());
System.out.println(response.getUrl());
System.out.println(response.json());
} catch (RequestException | LocalOperationException e) {
// Handle exception here
}
}
}
So many ways to integrate
Transloadit is a service for companies with developers. As a developer, there are many ways
you can put us to good use.
-
Bulk imports
Add one of our import Robots to acquire and transcode massive media libraries. -
Handling uploads
We are the experts at reliably handling uploads. We wrote the protocol for it. -
Front-end integration
We integrate with web browsers via our next-gen file uploader Uppy and SDKs for Android and iOS. -
Back-end integration
-
Pingbacks
Configure anotify_urlto let your server receive transcoding results JSON in thetransloaditPOST field.
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