Add Sample Test to convert media file in hls format in different Resolution (#294)

* Add test to convert media file into hls format

* File path updated

---------

Co-authored-by: Hariom Maurya <hariommaurya@Harioms-MacBook-Air.local>

Author: 2 people

src/test/java/net/bramp/ffmpeg/ReadmeTest.java

@@ -7,6 +7,8 @@
 import java.io.IOException;
 import java.util.Locale;
 import java.util.concurrent.TimeUnit;
+
+import com.google.common.base.Joiner;
 import net.bramp.ffmpeg.builder.FFmpegBuilder;
 import net.bramp.ffmpeg.builder.Strict;
 import net.bramp.ffmpeg.fixtures.Samples;
@@ -146,4 +148,79 @@ public void progress(Progress progress) {
 
     assertEquals(FFmpegJob.State.FINISHED, job.getState());
   }
+
+  @Test
+  public void testHLSVideoEncoding() throws IOException {
+    long start = System.currentTimeMillis();
+    FFmpegExecutor executor = new FFmpegExecutor(ffmpeg, ffprobe);
+    FFmpegProbeResult in = ffprobe.probe(Samples.big_buck_bunny_720p_1mb);
+    FFmpegBuilder builder = new FFmpegBuilder()
+            .setInput(in)
+            .overrideOutputFiles(true)
+            .addOutput("src/test/resources/net/bramp/ffmpeg/samples/%v/index.m3u8")
+            .setPreset("slow")
+            .addExtraArgs("-g", "48")
+            .addExtraArgs("-sc_threshold","0")
+            .addExtraArgs("-map","0:0")
+            .addExtraArgs("-map","0:1")
+            .addExtraArgs("-map","0:0")
+            .addExtraArgs("-map","0:1")
+            .addExtraArgs("-map","0:0")
+            .addExtraArgs("-map","0:1")
+            .addExtraArgs("-map","0:0")
+            .addExtraArgs("-map","0:1")
+            .addExtraArgs("-map","0:0")
+            .addExtraArgs("-map","0:1")
+            .addExtraArgs("-map","0:0")
+            .addExtraArgs("-map","0:1")
+            .addExtraArgs("-s:v:0","1920*1080")
+            .addExtraArgs("-b:v:0","1800k")
+            .addExtraArgs("-s:v:1","1280*720")
+            .addExtraArgs("-b:v:1","1200k")
+            .addExtraArgs("-s:v:2","858*480")
+            .addExtraArgs("-b:v:2","750k")
+            .addExtraArgs("-s:v:3","630*360")
+            .addExtraArgs("-b:v:3","550k")
+            .addExtraArgs("-s:v:4","426*240")
+            .addExtraArgs("-b:v:4","400k")
+            .addExtraArgs("-s:v:5","256*144")
+            .addExtraArgs("-b:v:5","200k")
+            .addExtraArgs("-c:a","copy")
+            .addExtraArgs("-var_stream_map","v:0,a:0,name:1080p v:1,a:1,name:720p v:2,a:2,name:480p v:3,a:3,name:360p v:4,a:4,name:240p v:5,a:5,name:144p")
+            .addExtraArgs("-master_pl_name","master.m3u8")
+            .addExtraArgs("-f","hls")
+            .addExtraArgs("-hls_time","10")
+            .addExtraArgs("-hls_playlist_type","vod")
+            .addExtraArgs("-hls_list_size","0")
+            .addExtraArgs("-hls_segment_filename","src/test/resources/net/bramp/ffmpeg/samples/%v/segment%d.ts")
+            .done();
+    String actual = Joiner.on(" ").join(ffmpeg.path(builder.build()));
+    System.out.println("actual "+actual);
+    FFmpegJob job =
+            executor.createJob(
+                    builder,
+                    new ProgressListener() {
+                      // Using the FFmpegProbeResult determine the duration of the input
+                      final double duration_ns = in.getFormat().duration * TimeUnit.SECONDS.toNanos(1);
+                      @Override
+                      public void progress(Progress progress) {
+                        double percentage = progress.out_time_ns / duration_ns;
+                        // Print out interesting information about the progress
+                        System.out.println(
+                                String.format(
+                                        locale,
+                                        "[%.0f%%] status:%s frame:%d time:%s fps:%.0f speed:%.2fx",
+                                        percentage * 100,
+                                        progress.status,
+                                        progress.frame,
+                                        FFmpegUtils.toTimecode(progress.out_time_ns, TimeUnit.NANOSECONDS),
+                                        progress.fps.doubleValue(),
+                                        progress.speed));
+                      }
+                    });
+    job.run();
+    long end = System.currentTimeMillis();
+    long execution = (end - start)/1000;
+    System.out.println("Execution time: " + execution + " seconds");
+  }
 }