support adaptive playback in MSE

media/base/android/video_decoder_job.cc

Index: media/base/android/video_decoder_job.cc
diff --git a/media/base/android/video_decoder_job.cc b/media/base/android/video_decoder_job.cc
index 3e4f684163dcb573f7f445d499e97f13c10783e3..c6765579c07ec5fc0ed2649f0c328457d2e754ea 100644
--- a/media/base/android/video_decoder_job.cc
+++ b/media/base/android/video_decoder_job.cc
@@ -92,6 +92,25 @@ void VideoDecoderJob::UpdateDemuxerConfigs(const DemuxerConfigs& configs) {
   set_is_content_encrypted(configs.is_video_encrypted);
 }
 
+bool VideoDecoderJob::IsCodecReconfigureNeeded(
+    const DemuxerConfigs& configs) const {
+  if (!media_codec_bridge_)
+    return true;
+
+  if (!AreDemuxerConfigsChanged(configs))
+    return false;
+
+  bool only_size_changed = false;
+  if (video_codec_ == configs.video_codec &&
+      is_content_encrypted() == configs.is_video_encrypted) {
+    only_size_changed = true;
+  }
+
+  return !only_size_changed ||
+      !static_cast<VideoCodecBridge*>(media_codec_bridge_.get())->
+          IsAdaptivePlaybackSupported(width_, height_);

[wolenetz, 2014/06/06 23:28:07]

s/width_/configs.video_size.width()/
s/height_/configs.video_size.height()/

[qinmin, 2014/06/07 01:31:55]

Done. A stupid mistake :(

+}
+
 bool VideoDecoderJob::AreDemuxerConfigsChanged(
     const DemuxerConfigs& configs) const {
   return video_codec_ != configs.video_codec ||