WeakPtr destruction order cleanup: media edition.

media/filters/ffmpeg_audio_decoder.cc

 // Copyright (c) 2012 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 "media/filters/ffmpeg_audio_decoder.h"
 
-#include "base/bind.h"
 #include "base/callback_helpers.h"
-#include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "media/base/audio_buffer.h"
 #include "media/base/audio_bus.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/audio_timestamp_helper.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/decoder_buffer.h"
-#include "media/base/demuxer.h"
 #include "media/base/limits.h"
-#include "media/base/pipeline.h"
 #include "media/base/sample_format.h"
 #include "media/ffmpeg/ffmpeg_common.h"
 #include "media/filters/ffmpeg_glue.h"
 
 namespace media {
 
 // Returns true if the decode result was end of stream.
 static inline bool IsEndOfStream(int result,
                                  int decoded_size,
                                  const scoped_refptr<DecoderBuffer>& input) {
@@ skipping 86 matching lines @@
   void* opaque = NULL;
   buffer.swap(reinterpret_cast<AudioBuffer**>(&opaque));
   frame->buf[0] = av_buffer_create(
       frame->data[0], buffer_size_in_bytes, ReleaseAudioBufferImpl, opaque, 0);
   return 0;
 }
 
 FFmpegAudioDecoder::FFmpegAudioDecoder(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner)
     : task_runner_(task_runner),
-      weak_factory_(this),
       state_(kUninitialized),
       bytes_per_channel_(0),
       channel_layout_(CHANNEL_LAYOUT_NONE),
       channels_(0),
       samples_per_second_(0),
       av_sample_format_(0),
       last_input_timestamp_(kNoTimestamp()),
       output_frames_to_drop_(0) {}
 
 FFmpegAudioDecoder::~FFmpegAudioDecoder() {
   DCHECK_EQ(state_, kUninitialized);
   DCHECK(!codec_context_);
   DCHECK(!av_frame_);
 }
 
 void FFmpegAudioDecoder::Initialize(const AudioDecoderConfig& config,
                                     const PipelineStatusCB& status_cb) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(!config.is_encrypted());
 
   FFmpegGlue::InitializeFFmpeg();
-  weak_this_ = weak_factory_.GetWeakPtr();
 
   config_ = config;
   PipelineStatusCB initialize_cb = BindToCurrentLoop(status_cb);
 
   if (!config.IsValidConfig() || !ConfigureDecoder()) {
     initialize_cb.Run(DECODER_ERROR_NOT_SUPPORTED);
     return;
   }
 
   // Success!
@@ skipping 381 matching lines @@
   return true;
 }
 
 void FFmpegAudioDecoder::ResetTimestampState() {
   output_timestamp_helper_->SetBaseTimestamp(kNoTimestamp());
   last_input_timestamp_ = kNoTimestamp();
   output_frames_to_drop_ = 0;
 }
 
 }  // namespace media