[DO NOT COMMIT] MediaPlayerRenderer using StreamTextures.

media/base/pipeline_impl.cc

Index: media/base/pipeline_impl.cc
diff --git a/media/base/pipeline_impl.cc b/media/base/pipeline_impl.cc
index f5732214362203da0e45410dd7c6ffdbab0c1abf..68da137ffb5c699206386e7be72f60e99b412bdf 100644
--- a/media/base/pipeline_impl.cc
+++ b/media/base/pipeline_impl.cc
@@ -28,6 +28,7 @@
 #include "media/base/text_track_config.h"
 #include "media/base/timestamp_constants.h"
 #include "media/base/video_decoder_config.h"
+#include "media/media_features.h"
 
 static const double kDefaultPlaybackRate = 0.0;
 static const float kDefaultVolume = 1.0f;
@@ -113,6 +114,7 @@ class PipelineImpl::RendererWrapper : public DemuxerHost,
   void OnWaitingForDecryptionKey() final;
   void OnVideoNaturalSizeChange(const gfx::Size& size) final;
   void OnVideoOpacityChange(bool opaque) final;
+  void OnDurationChange(base::TimeDelta duration) final;
 
   // TextRenderer tasks and notifications.
   void OnTextRendererEnded();
@@ -604,6 +606,16 @@ void PipelineImpl::RendererWrapper::OnVideoOpacityChange(bool opaque) {
       base::Bind(&PipelineImpl::OnVideoOpacityChange, weak_pipeline_, opaque));
 }
 
+void PipelineImpl::RendererWrapper::OnDurationChange(base::TimeDelta duration) {
+#if BUILDFLAG(FORCE_MOJO_MEDIA_PLAYER_RENDERER)
+  SetDuration(duration);
+#else
+  // Duration changes should be surfaced by the DemuxerStream, via the
+  // DemuxerHost interface.
+  NOTREACHED();
+#endif
+}
+
 void PipelineImpl::RendererWrapper::OnTextRendererEnded() {
   DCHECK(media_task_runner_->BelongsToCurrentThread());
   media_log_->AddEvent(media_log_->CreateEvent(MediaLogEvent::TEXT_ENDED));
@@ -879,10 +891,22 @@ void PipelineImpl::RendererWrapper::InitializeRenderer(
     const PipelineStatusCB& done_cb) {
   DCHECK(media_task_runner_->BelongsToCurrentThread());
 
-  if (!demuxer_->GetStream(DemuxerStream::AUDIO) &&
-      !demuxer_->GetStream(DemuxerStream::VIDEO)) {
-    done_cb.Run(PIPELINE_ERROR_COULD_NOT_RENDER);
-    return;
+  switch (demuxer_->GetType()) {
+    case DemuxerStreamProvider::Type::STREAM:
+      if (!demuxer_->GetStream(DemuxerStream::AUDIO) &&
+          !demuxer_->GetStream(DemuxerStream::VIDEO)) {
+        done_cb.Run(PIPELINE_ERROR_COULD_NOT_RENDER);
+        return;
+      }
+      break;
+
+    case DemuxerStreamProvider::Type::URL:
+      // N.B: Empty GURL are not valid.
+      if (!demuxer_->GetUrl().is_valid()) {
+        done_cb.Run(PIPELINE_ERROR_COULD_NOT_RENDER);
+        return;
+      }
+      break;
   }
 
   if (cdm_context_)
@@ -908,15 +932,28 @@ void PipelineImpl::RendererWrapper::ReportMetadata() {
   DCHECK(media_task_runner_->BelongsToCurrentThread());
 
   PipelineMetadata metadata;
-  metadata.timeline_offset = demuxer_->GetTimelineOffset();
-  DemuxerStream* stream = demuxer_->GetStream(DemuxerStream::VIDEO);
-  if (stream) {
-    metadata.has_video = true;
-    metadata.natural_size = stream->video_decoder_config().natural_size();
-    metadata.video_rotation = stream->video_rotation();
-  }
-  if (demuxer_->GetStream(DemuxerStream::AUDIO)) {
-    metadata.has_audio = true;
+  DemuxerStream* stream;
+
+  switch (demuxer_->GetType()) {
+    case DemuxerStreamProvider::Type::STREAM:
+      metadata.timeline_offset = demuxer_->GetTimelineOffset();
+      stream = demuxer_->GetStream(DemuxerStream::VIDEO);
+      if (stream) {
+        metadata.has_video = true;
+        metadata.natural_size = stream->video_decoder_config().natural_size();
+        metadata.video_rotation = stream->video_rotation();
+      }
+      if (demuxer_->GetStream(DemuxerStream::AUDIO)) {
+        metadata.has_audio = true;
+      }
+      break;
+
+    case DemuxerStreamProvider::Type::URL:
+      // We don't know if the MediaPlayerRender has Audio/Video until we start
+      // playing. Conservatively assume that they do.
+      metadata.has_video = true;
+      metadata.has_audio = true;
+      break;
   }
 
   main_task_runner_->PostTask(FROM_HERE, base::Bind(&PipelineImpl::OnMetadata,