aws-transcode - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0-beta.0

package.json

 {
   "name": "aws-transcode",
-  "version": "1.0.0",
+  "version": "1.1.0-beta.0",
   "description": "A promise based wrapper to make transcoding with AWS easy.",
@@ -5,0 +5,0 @@ "main": "src/index.js",

README.md

@@ -17,3 +17,3 @@ # aws-transcode
 const transcode = require('aws-transcode');
-const key = 'input/video.mp4';
+const input = 'input/video.mp4';
 const outputs = [
@@ -38,3 +38,3 @@ {
 
-const res = await transcode(key, outputs, config);
+const res = await transcode(input, outputs, config);
 
@@ -49,2 +49,11 @@ if (res === false) {
 
+### Extracting a part of the input file.
+
+The `input` can also be an object with a `key` (required) and `start`, `duration` values (optional).
+
+```js
+const input = { key: 'input/video.mp4', start: 5, duration: 10 };
+const res = await transcode(input, outputs, config);
+```
+
 ## License
@@ -51,0 +60,0 @@

src/index.js

@@ -29,3 +29,6 @@ const abind = require('abind');
    *
-   * @param {string} key
+   * @param {object} input
+   *   {string} key input key
+   *   {number} start optional defaults to 0
+   *   {number} duration optional defaults to duration of input file
    * @param {object[]} outputs an array of outputs { key, presetId, thumbnailPattern }
@@ -39,7 +42,7 @@ *   {string} key output key (bucket is defined in the pipeline)
    */
-  async transcode (key, outputs) {
+  async transcode (input, outputs) {
     const filteredOutputs = await this.maybeRemoveExistingOutputs(outputs);
     if (!filteredOutputs.length) return false;
-    const jobId = await this.createTranscoderJob(key, filteredOutputs);
-    return this.waitForTranscoderJob(key, jobId);
+    const jobId = await this.createTranscoderJob(input, filteredOutputs);
+    return this.waitForTranscoderJob(input.key, jobId);
   }
@@ -86,6 +89,15 @@
    */
-  async createTranscoderJob (key, outputs) {
+  async createTranscoderJob (input, outputs) {
+    const { key, start = 0, duration } = input;
     const { pipelineId } = this.config;
     const params = {
-      Input: { Key: key },
+      Input: {
+        Key: key,
+        ...((start > 0 || duration) && {
+          TimeSpan: {
+            ...(start > 0 && { StartTime: Number(start).toFixed(3) }),
+            ...(duration && { Duration: Number(duration).toFixed(3) })
+          }
+        })
+      },
       PipelineId: pipelineId,
@@ -152,7 +164,10 @@ Outputs: outputs.map(({ key, presetId, thumbnailPattern }) => ({
 
-async function transcode (key, outputs, config) {
+async function transcode (input, outputs, config) {
+  if (typeof input === 'string') {
+    input = { key: input };
+  }
   const transcoder = new AwsTranscoder(config);
-  return transcoder.transcode(key, outputs);
+  return transcoder.transcode(input, outputs);
 }
 
 module.exports = transcode;

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Total package byte prevSize

11045

increased by7.86%

Lines of code

159

increased by10.42%

Number of lines in readme file

88

increased by11.39%

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2

increased by100%

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