Basic media tracks implementation for media stream parsers

media/formats/mp2t/mp2t_stream_parser_unittest.cc

Index: media/formats/mp2t/mp2t_stream_parser_unittest.cc
diff --git a/media/formats/mp2t/mp2t_stream_parser_unittest.cc b/media/formats/mp2t/mp2t_stream_parser_unittest.cc
index ab1d2306290c56d6670d4fbe09b2d947b1d4e433..90dfbd222f8dc9de823e7b4481089b00ea84af32 100644
--- a/media/formats/mp2t/mp2t_stream_parser_unittest.cc
+++ b/media/formats/mp2t/mp2t_stream_parser_unittest.cc
@@ -15,6 +15,8 @@
 #include "base/time/time.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/decoder_buffer.h"
+#include "media/base/media_track.h"
+#include "media/base/media_tracks.h"
 #include "media/base/stream_parser_buffer.h"
 #include "media/base/test_data_util.h"
 #include "media/base/text_track_config.h"
@@ -111,12 +113,12 @@ class Mp2tStreamParserTest : public testing::Test {
              << ", autoTimestampOffset=" << params.auto_update_timestamp_offset;
   }
 
-  bool OnNewConfig(const AudioDecoderConfig& ac,
-                   const VideoDecoderConfig& vc,
+  bool OnNewConfig(scoped_ptr<MediaTracks> tracks,
                    const StreamParser::TextTrackConfigMap& tc) {
-    DVLOG(1) << "OnNewConfig: audio=" << ac.IsValidConfig()
-             << ", video=" << vc.IsValidConfig();
+    DVLOG(1) << "OnNewConfig: media tracks count=" << tracks->tracks().size();
     config_count_++;
+    const AudioDecoderConfig& ac = tracks->getFirstAudioConfig();
+    const VideoDecoderConfig& vc = tracks->getFirstVideoConfig();

[wolenetz, 2016/02/26 00:06:21]

nit: let's also preserve the previous DVLOG(1) which would provide additional
info about config validity for each of A/V.

[servolk, 2016/02/26 01:56:33]

Done.

     EXPECT_TRUE(ac.IsValidConfig());
     EXPECT_EQ(vc.IsValidConfig(), has_video_);
     return true;