Merge pull request fluent-ffmpeg#1007 from ArturAralin/mp4-stream-to-stream-example

Add example how to convert any to mp4 as steam

Author: njoyard

examples/any-to-mp4-steam.js

@@ -0,0 +1,16 @@
+// The solution based on adding -movflags for mp4 output
+// For more movflags details check ffmpeg docs
+// https://ffmpeg.org/ffmpeg-formats.html#toc-Options-9
+
+var fs = require('fs');
+var path = require('path');
+var ffmpeg = require('../index');
+
+var pathToSourceFile = path.resolve(__dirname, '../test/assets/testvideo-169.avi');
+var readStream = fs.createReadStream(pathToSourceFile);
+var writeStream = fs.createWriteStream('./output.mp4');
+
+ffmpeg(readStream)
+  .addOutputOptions('-movflags +frag_keyframe+separate_moof+omit_tfhd_offset+empty_moov')
+  .format('mp4')
+  .pipe(writeStream);