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Zencoder example code for video encoding with 2 output formats
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| <!---/********************************************** | ||
| * (C) Copyright 2011 Paragon Principles, LLC. | ||
| * All Rights Reserved. | ||
| ********************************************** | ||
| * Author: Todd Schlomer | ||
| * Date: 2011 | ||
| **********************************************/---> | ||
|
|
||
| <!--- buildMediaDetailsFromJobCreation ---> | ||
| <cffunction name="buildMediaDetailsFromJobCreation" access="private" returntype="struct" output="false" hint="This is a helper method to build the media details from the job creation result."> | ||
| <cfargument name="jobID" type="numeric" required="true" hint="This is the job ID from Zencoder to build the details for."> | ||
| <cfargument name="outputs" type="array" required="true" hint="This is the outputs from Zencoder that were created"> | ||
| <cfscript> | ||
| var i = 1; | ||
| var mediaDetails = structNew(); | ||
| var jobDetails = structNew(); | ||
| // setup the job details | ||
| jobDetails.id = jobID; | ||
| jobDetails.state = "processing"; | ||
| jobDetails.progress = 0; | ||
| jobDetails.outputs = structNew(); | ||
| jobDetails.totalOutputs = arrayLen(outputs); | ||
| jobDetails.outputsCompleted = 0; | ||
| jobDetails.outputsFailed = 0; | ||
| // loop to add all the outputs | ||
| for (; i <= jobDetails.totalOutputs; i++) { | ||
| var output = structNew(); | ||
| output.id = outputs[i].id; | ||
| output.label = outputs[i].label; | ||
| output.state = "processing"; | ||
| output.progress = 0; | ||
| output.message = ""; | ||
| output.errorLink = ""; | ||
| structInsert(jobDetails.outputs, numberFormat(output.id, "9"), output); | ||
| } | ||
| structInsert(mediaDetails, numberFormat(jobID, "9"), jobDetails); | ||
| return mediaDetails; | ||
| </cfscript> | ||
| </cffunction> | ||
|
|
||
| <cfscript> | ||
| //============================================================================================= | ||
| // setup initial settings for formats | ||
| sourceFileURL = "s3://MY_S3_BUCKET_URL/source/"; | ||
| base_url = "s3://MY_S3_BUCKET_URL/video/"; | ||
| notifyUrl = "http://URL_FOR_NOTIFICATIONS"; | ||
| fileKey = "FILE_NAME_KEY"; | ||
| // video information | ||
| width = 640; | ||
| height = 360; | ||
| // setup the Zencoder API reference | ||
| zencoderApi = new zencoder.Zencoder(argumentCollection = { | ||
| api_key = "MY_API_KEY_HERE", | ||
| download_connections = 25, | ||
| testMode = true}); | ||
| // check for the video aspect ratio | ||
| is_16x9_aspect = ((width / 16) == (height / 9)); | ||
| // set the keyframe rate | ||
| keyframe_rate = 1; // 1 keyframe every second | ||
| // setup the zencoder notifications for the outputs | ||
| zencoderNotification = new zencoder.ZencoderNotification(); | ||
| zencoderNotification.addNotification(notifyUrl); | ||
| // setup the zencoder output array (this is where all the outputs will be placed) | ||
| zencoderOutputArr = new zencoder.ZencoderOutputArray(); | ||
| // 240p | ||
| zencoderOutputArr.addOutput(new zencoder.ZencoderOutput( | ||
| base_url = base_url, | ||
| filename = "240_" & fileKey & ".mp4", | ||
| label = "240", | ||
| video_codec = "h264", | ||
| speed = 2, | ||
| height = (is_16x9_aspect ? 216 : 240), | ||
| aspect_mode = "preserve", | ||
| quality = 4, | ||
| max_video_bitrate = 512, | ||
| audio_codec = "aac", | ||
| audio_quality = 3, | ||
| max_frame_rate = 30, | ||
| keyframe_rate = keyframe_rate, | ||
| public = true, | ||
| notifications = zencoderNotification, | ||
| thumbnails = new zencoder.ZencoderThumbnails().addThumbnail({ | ||
| label = "main", | ||
| base_url = base_url & "/thumbs/" & fileKey, | ||
| prefix = "main", | ||
| number = 1, | ||
| start_at_first_frame = 1, | ||
| size = "#width#x#height#", | ||
| public = 1 | ||
| }).addThumbnail({ | ||
| label = "thumb", | ||
| base_url = base_url & "/thumbs/" & fileKey, | ||
| prefix = "thumb", | ||
| number = 1, | ||
| start_at_first_frame = 1, | ||
| size = "#int((50 / height) * width)#x50", | ||
| public = 1 | ||
| }))); | ||
| // 360p | ||
| zencoderOutputArr.addOutput(new zencoder.ZencoderOutput( | ||
| base_url = base_url, | ||
| filename = "360_" & fileKey & ".mp4", | ||
| label = "360", | ||
| video_codec = "h264", | ||
| speed = 2, | ||
| height = 360, | ||
| aspect_mode = "preserve", | ||
| quality = 4, | ||
| max_video_bitrate = 1000, | ||
| audio_codec = "aac", | ||
| audio_quality = 3, | ||
| max_frame_rate = 30, | ||
| public = true, | ||
| keyframe_rate = keyframe_rate, | ||
| notifications = zencoderNotification)); | ||
| // perform the API call | ||
| zencoderResult = zencoderApi.createEncodingJob( | ||
| input = sourceFileURL, | ||
| output = zencoderOutputArr); | ||
| if (zencoderResult.success) { | ||
| writeOutput("ZENCODER CALL SUCCESSFUL<br />"); | ||
| writeOutput("JOB_ID: " & zencoderResult.jobID & "<br />"); | ||
| writeOutput("JOB DETAILS:<br />"); | ||
| writeDump(buildMediaDetailsFromJobCreation(jobID = zencoderResult.jobID, outputs = zencoderResult.outputs)); | ||
| } else { | ||
| writeOutput("ZENCODER CALL FAILED<br />"); | ||
| writeOutput("MESSAGE: " & zencoderResult.message & "<br />"); | ||
| } | ||
| </cfscript> |