Add end to end test for transport stream

- Also replaces resolution to 640x360, to reduce file size.

Change-Id: I030ceaa0c67c2b8f060d1864e2c3150f5d28b612

packager/app/test/packager_test.py

@@ -100,6 +100,24 @@ class PackagerAppTest(unittest.TestCase):
     self._DiffGold(self.output[2], 'subtitle-english-golden.vtt')
     self._DiffGold(self.mpd_output, 'bear-640x360-avt-golden.mpd')
 
+  def testPackageAvcTs(self):
+    # Currently we only support live packaging for ts.
+    self.packager.Package(
+        self._GetStreams(
+            ['audio', 'video'],
+            output_format='ts',
+            live=True,
+            test_files=['bear-640x360.ts']),
+        self._GetFlags(live=True))
+    self._DiffLiveGold(self.output[0],
+                       'bear-640x360-a-golden',
+                       has_init_segment=False,
+                       segment_extension='ts')
+    self._DiffLiveGold(self.output[1],
+                       'bear-640x360-v-golden',
+                       has_init_segment=False,
+                       segment_extension='ts')
+
   def testPackageVp8Webm(self):
     self.packager.Package(
         self._GetStreams(['video'],
@@ -378,10 +396,10 @@ class PackagerAppTest(unittest.TestCase):
           output_prefix = '%s_%d_%s' % (self.output_prefix, test_file_index,
                                         stream_descriptor)
         if live:
-          stream = ('input=%s,stream=%s,init_segment=%s-init.mp4,'
+          stream = ('input=%s,stream=%s,format=%s,init_segment=%s-init.mp4,'
                     'segment_template=%s-$Number$.m4s')
-          streams.append(stream % (test_file, stream_descriptor, output_prefix,
+          streams.append(stream % (test_file, stream_descriptor, output_format,
-                                   output_prefix))
+                                   output_prefix, output_prefix))
           self.output.append(output_prefix)
         else:
           output = '%s.%s' % (
@@ -491,13 +509,18 @@ class PackagerAppTest(unittest.TestCase):
       f.write(content.replace(test_output, 'place_holder'))
     self._DiffGold(media_info_output, golden_file_name + '.media_info')
 
-  def _DiffLiveGold(self, test_output_prefix, golden_file_name_prefix):
+  def _DiffLiveGold(self,
+                    test_output_prefix,
+                    golden_file_name_prefix,
+                    has_init_segment=True,
+                    segment_extension='m4s'):
     # Compare init and the first three segments.
-    self._DiffGold(test_output_prefix + '-init.mp4',
+    if has_init_segment:
-                   golden_file_name_prefix + '-init.mp4')
+      self._DiffGold(test_output_prefix + '-init.mp4',
+                     golden_file_name_prefix + '-init.mp4')
     for i in range(1, 4):
-      self._DiffGold(test_output_prefix + '-%d.m4s' % i,
+      self._DiffGold('%s-%d.m4s' % (test_output_prefix, i), '%s-%d.%s' %
-                     golden_file_name_prefix + '-%d.m4s' % i)
+                     (golden_file_name_prefix, i, segment_extension))
 
   # Live mpd contains current availabilityStartTime and publishTime, which
   # needs to be replaced for comparison.

packager/media/formats/mp2t/mp2t_media_parser_unittest.cc

@@ -123,30 +123,29 @@ class Mp2tMediaParserTest : public testing::Test {
 
 TEST_F(Mp2tMediaParserTest, UnalignedAppend17) {
   // Test small, non-segment-aligned appends.
-  ParseMpeg2TsFile("bear-1280x720.ts", 17);
+  ParseMpeg2TsFile("bear-640x360.ts", 17);
-  EXPECT_EQ(video_frame_count_, 80);
+  EXPECT_EQ(video_frame_count_, 79);
   EXPECT_TRUE(parser_->Flush());
   EXPECT_EQ(video_frame_count_, 82);
 }
 
 TEST_F(Mp2tMediaParserTest, UnalignedAppend512) {
   // Test small, non-segment-aligned appends.
-  ParseMpeg2TsFile("bear-1280x720.ts", 512);
+  ParseMpeg2TsFile("bear-640x360.ts", 512);
-  EXPECT_EQ(video_frame_count_, 80);
+  EXPECT_EQ(video_frame_count_, 79);
   EXPECT_TRUE(parser_->Flush());
   EXPECT_EQ(video_frame_count_, 82);
 }
 
 TEST_F(Mp2tMediaParserTest, TimestampWrapAround) {
-  // "bear-1280x720_ptswraparound.ts" has been transcoded
+  // "bear-640x360.ts" has been transcoded from bear-640x360.mp4 by applying a
-  // from bear-1280x720.mp4 by applying a time offset of 95442s
+  // time offset of 95442s (close to 2^33 / 90000) which results in timestamps
-  // (close to 2^33 / 90000) which results in timestamps wrap around
+  // wrap around in the Mpeg2 TS stream.
-  // in the Mpeg2 TS stream.
+  ParseMpeg2TsFile("bear-640x360_ptswraparound.ts", 512);
-  ParseMpeg2TsFile("bear-1280x720_ptswraparound.ts", 512);
   EXPECT_TRUE(parser_->Flush());
   EXPECT_EQ(video_frame_count_, 82);
-  EXPECT_GE(video_min_dts_, static_cast<int64_t>(95443 - 1) * kMpeg2Timescale);
+  EXPECT_LT(video_min_dts_, static_cast<int64_t>(1) << 33);
-  EXPECT_LE(video_max_dts_, static_cast<int64_t>(95443 + 4) * kMpeg2Timescale);
+  EXPECT_GT(video_max_dts_, static_cast<int64_t>(1) << 33);
 }
 
 }  // namespace mp2t

packager/media/test/data/README

@@ -26,8 +26,9 @@ vorbis-packet-2  - timestamp: 0ms, duration: 0ms
 vorbis-packet-3  - timestamp: 2902ms, duration: 0ms
 
 // Transport streams.
-bear-1280x720.ts - AVC + AAC encode, multiplexed into an MPEG2-TS container.
+bear-640x360.ts - AVC + AAC encode, multiplexed into an MPEG2-TS container.
-bear-1280x720_ptswraparound.ts - Same as bear-1280x720.ts, with a timestamp wrap-around in the middle.
+bear-640x360_ptswraparound.ts - Same as bear-640x360.ts, with a timestamp wrap-around in the middle, created with the below command:
+                                ffmpeg -itsoffset 95442 -i bear-640x360.ts -c:v copy -c:a copy -muxdelay 0 bear-640x360_ptswraparound.ts
 
 // ISO-BMFF streams.
 bear-1280x720.mp4 - AVC + AAC encode, mulitplexed into an ISOBMFF container.

packager/media/test/packager_test.cc

@@ -27,7 +27,7 @@ namespace media {
 namespace {
 
 const char* kMediaFiles[] = {"bear-640x360.mp4", "bear-640x360-av_frag.mp4",
-                             "bear-1280x720.ts"};
+                             "bear-640x360.ts"};
 
 // Muxer options.
 const double kSegmentDurationInSeconds = 1.0;