Revert 194465 "media: Add support for playback for VP8 Alpha vid..."

trunk/src/media/filters/ffmpeg_demuxer.cc

Index: trunk/src/media/filters/ffmpeg_demuxer.cc
===================================================================
--- trunk/src/media/filters/ffmpeg_demuxer.cc	(revision 194468)
+++ trunk/src/media/filters/ffmpeg_demuxer.cc	(working copy)
@@ -108,26 +108,11 @@
     LOG(ERROR) << "Format conversion failed.";
   }
 
-  // Get side data if any. For now, the only type of side_data is VP8 Alpha. We
-  // keep this generic so that other side_data types in the future can be
-  // handled the same way as well.
-  av_packet_split_side_data(packet.get());
-  int side_data_size = 0;
-  uint8* side_data = av_packet_get_side_data(
-      packet.get(),
-      AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
-      &side_data_size);
-
   // If a packet is returned by FFmpeg's av_parser_parse2() the packet will
   // reference inner memory of FFmpeg.  As such we should transfer the packet
   // into memory we control.
   scoped_refptr<DecoderBuffer> buffer;
-  if (side_data_size > 0) {
-    buffer = DecoderBuffer::CopyFrom(packet.get()->data, packet.get()->size,
-                                     side_data, side_data_size);
-  } else {
-    buffer = DecoderBuffer::CopyFrom(packet.get()->data, packet.get()->size);
-  }
+  buffer = DecoderBuffer::CopyFrom(packet->data, packet->size);
 
   if ((type() == DemuxerStream::AUDIO && audio_config_.is_encrypted()) ||
       (type() == DemuxerStream::VIDEO && video_config_.is_encrypted())) {