Enable adaptive playback for spitzer, use conservative size.

content/common/gpu/media/android_video_decode_accelerator.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/gpu/media/android_video_decode_accelerator.h"
 
 #include <stddef.h>
 
 #include "base/android/build_info.h"
 #include "base/auto_reset.h"
@@ skipping 313 matching lines @@
 
   if (make_context_current_cb_.is_null() || get_gles2_decoder_cb_.is_null()) {
     NOTREACHED() << "GL callbacks are required for this VDA";
     return false;
   }
 
   DCHECK(client);
   client_ = client;
   codec_config_ = new CodecConfig();
   codec_config_->codec_ = VideoCodecProfileToVideoCodec(config.profile);
+  codec_config_->initial_expected_coded_size_ =
+      config.initial_expected_coded_size;
   is_encrypted_ = config.is_encrypted;
 
   bool profile_supported = codec_config_->codec_ == media::kCodecVP8 ||
                            codec_config_->codec_ == media::kCodecVP9 ||
                            codec_config_->codec_ == media::kCodecH264;
 
   // We signalled that we support deferred initialization, so see if the client
   // does also.
   deferred_initialization_pending_ = config.is_deferred_initialization_allowed;
 
@@ skipping 600 matching lines @@
     scoped_refptr<CodecConfig> codec_config) {
   TRACE_EVENT0("media", "AVDA::ConfigureMediaCodec");
 
   jobject media_crypto = codec_config->media_crypto_
                              ? codec_config->media_crypto_->obj()
                              : nullptr;
 
   // |needs_protected_surface_| implies encrypted stream.
   DCHECK(!codec_config->needs_protected_surface_ || media_crypto);
 
-  // Pass a dummy 320x240 canvas size and let the codec signal the real size
-  // when it's known from the bitstream.
   return scoped_ptr<media::VideoCodecBridge>(
       media::VideoCodecBridge::CreateDecoder(
           codec_config->codec_, codec_config->needs_protected_surface_,
-          gfx::Size(320, 240), codec_config->surface_.j_surface().obj(),
-          media_crypto, false));
+          codec_config->initial_expected_coded_size_,
+          codec_config->surface_.j_surface().obj(), media_crypto, true));
 }
 
 void AndroidVideoDecodeAccelerator::OnCodecConfigured(
     scoped_ptr<media::VideoCodecBridge> media_codec) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK_EQ(state_, WAITING_FOR_CODEC);
 
   media_codec_ = std::move(media_codec);
 
   // Record one instance of the codec being initialized.
@@ skipping 343 matching lines @@
                          media::VideoDecodeAccelerator::Capabilities::
                              SUPPORTS_EXTERNAL_OUTPUT_SURFACE |
                          media::VideoDecodeAccelerator::Capabilities::
                              SUPPORTS_DEFERRED_INITIALIZATION;
   }
 
   return capabilities;
 }
 
 }  // namespace content