B4X Requires Chilkat v11.0.0+

Frame.io - Upload an Asset

See more Frame.io Examples

Upload an asset to Frame.io B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim http As ChilkatHttp
http.Initialize("http")

'  Implements the following CURL command:

'  curl --request POST \
'    --url https://api.frame.io/v2/assets/<ASSET_ID>/children \
'    --header 'authorization: Bearer <FRAME_IO_DEV_TOKEN>' \
'    --header 'content-type: application/json' \
'    --data '{"filesize":1570024 ,"filetype":"video/mp4","name":"rotating_earth","type":"file"}'

'  Use the following online tool to generate HTTP code from a CURL command
'  Convert a cURL Command to HTTP Source Code

'  Use this online tool to generate code from sample JSON:
'  Generate Code to Create JSON

'  The following JSON is sent in the request body.

'  {
'    "filesize": 1570024,
'    "filetype": "video/mp4",
'    "name": "rotating_earth",
'    "type": "file"
'  }

Dim localFilePath As String = "qa_data/mp4/rotating_earth.mp4"
Dim fac As ChilkatFileAccess
fac.Initialize
Dim fileSize As Int = fac.FileSize(localFilePath)

Dim json As ChilkatJsonObject
json.Initialize
json.UpdateInt("filesize", fileSize)
json.UpdateString("filetype", "video/mp4")
json.UpdateString("name", "rotating_earth7")
json.UpdateString("type", "file")

http.SetRequestHeader("content-type", "application/json")
'  Adds the "Authorization: Bearer <FRAME_IO_DEV_TOKEN>" header.
http.AuthToken = "<FRAME_IO_DEV_TOKEN>"

'  Uploading to asset ID: 039845e8-bffe-4d6b-88d3-c780bae06342
Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpJson("POST", "https://api.frame.io/v2/assets/039845e8-bffe-4d6b-88d3-c780bae06342/children", json, "application/json", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
resp.GetBodySb(sbResponseBody)
Dim jResp As ChilkatJsonObject
jResp.Initialize
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Log("Response Body:")
Log(jResp.Emit)

Dim respStatusCode As Int = resp.StatusCode
Log("Response Status Code = " & respStatusCode)
If respStatusCode >= 400 Then
    Log("Response Header:")
    Log(resp.Header)
    Log("Failed.")
    Return
End If


'  Upload in chunks to the pre-signed S3 upload URLs.
'  There are ways to do this in parallel, but for simplicity we'll show how to upload
'  one chunk after another.
Dim numChunks As Int = jResp.SizeOfArray("upload_urls")
Dim sizePerChunk As Int = (fileSize + numChunks - 1) / numChunks

Log("numChunks = " & numChunks)
Log("sizePerChunk = " & sizePerChunk)

success = fac.OpenForRead(localFilePath)
If success = False Then
    Log(fac.LastErrorText)
    Return
End If


Dim bd As ChilkatBinData
bd.Initialize
Dim httpForUpload As ChilkatHttp
httpForUpload.Initialize("httpForUpload")

httpForUpload.SetRequestHeader("x-amz-acl", "private")

Dim i As Int = 0
Do While (i < numChunks)
    bd.Clear
    success = fac.ReadBlockBd(i, sizePerChunk, bd)

    jResp.I = i
    Dim uploadUrl As String = jResp.StringOf("upload_urls[i]")

    '  Send the chunk in a PUT:

    Log("PUT chunk " & (i + 1))
    Log("URL: " & uploadUrl)

    '  PUT https://frameio-uploads-production.s3/etc/etc
    '  Content-Type: video/mp4
    '  x-amz-acl: private
    success = httpForUpload.HttpBd("PUT", uploadUrl, bd, "video/mp4", resp)
    If success = False Then
        Log(httpForUpload.LastErrorText)
        Return
    End If


    Log("response status: " & resp.StatusCode)


    i = i + 1
Loop

fac.FileClose

Log("File uploaded.")