Move core renderer subdirectories to content.

chrome/renderer/media/ipc_video_decoder.cc

-// Copyright (c) 2011 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 "chrome/renderer/media/ipc_video_decoder.h"
-
-#include "base/task.h"
-#include "chrome/renderer/ggl/ggl.h"
-#include "content/common/child_process.h"
-#include "media/base/callback.h"
-#include "media/base/filters.h"
-#include "media/base/filter_host.h"
-#include "media/base/limits.h"
-#include "media/base/media_format.h"
-#include "media/base/video_frame.h"
-#include "media/ffmpeg/ffmpeg_common.h"
-#include "media/filters/ffmpeg_interfaces.h"
-#include "media/video/video_decode_engine.h"
-
-IpcVideoDecoder::IpcVideoDecoder(MessageLoop* message_loop,
-                                 ggl::Context* ggl_context)
-    : decode_context_message_loop_(message_loop),
-      ggl_context_(ggl_context) {
-}
-
-IpcVideoDecoder::~IpcVideoDecoder() {
-}
-
-void IpcVideoDecoder::Initialize(media::DemuxerStream* demuxer_stream,
-                                 media::FilterCallback* callback,
-                                 media::StatisticsCallback* statsCallback) {
-  // It doesn't matter which thread we perform initialization because
-  // all this method does is create objects and delegate the initialize
-  // messsage.
-
-  DCHECK(!demuxer_stream_);
-  demuxer_stream_ = demuxer_stream;
-  initialize_callback_.reset(callback);
-  statistics_callback_.reset(statsCallback);
-
-  // We require bit stream converter for hardware decoder.
-  demuxer_stream->EnableBitstreamConverter();
-
-  // Get the AVStream by querying for the provider interface.
-  media::AVStreamProvider* av_stream_provider;
-  if (!demuxer_stream->QueryInterface(&av_stream_provider)) {
-    media::VideoCodecInfo info = {0};
-    OnInitializeComplete(info);
-    return;
-  }
-
-  AVStream* av_stream = av_stream_provider->GetAVStream();
-
-  int width = av_stream->codec->coded_width;
-  int height = av_stream->codec->coded_height;
-  if (width > media::Limits::kMaxDimension ||
-      height > media::Limits::kMaxDimension ||
-      (width * height) > media::Limits::kMaxCanvas) {
-    media::VideoCodecInfo info = {0};
-    OnInitializeComplete(info);
-    return;
-  }
-
-  // Create a video decode context that assocates with the graphics
-  // context.
-  decode_context_.reset(
-      ggl::CreateVideoDecodeContext(
-          ggl_context_, decode_context_message_loop_, true));
-
-  // Create a hardware video decoder handle.
-  decode_engine_.reset(ggl::CreateVideoDecodeEngine(ggl_context_));
-
-  media::VideoCodecConfig config(
-      media::CodecIDToVideoCodec(av_stream->codec->codec_id),
-      width, height,
-      av_stream->r_frame_rate.num,
-      av_stream->r_frame_rate.den,
-      av_stream->codec->extradata,
-      av_stream->codec->extradata_size);
-
-  // VideoDecodeEngine will perform initialization on the message loop
-  // given to it so it doesn't matter on which thread we are calling this.
-  decode_engine_->Initialize(ChildProcess::current()->io_message_loop(), this,
-                             decode_context_.get(), config);
-}
-
-const media::MediaFormat& IpcVideoDecoder::media_format() {
-  return media_format_;
-}
-
-void IpcVideoDecoder::Stop(media::FilterCallback* callback) {
-  stop_callback_.reset(callback);
-  decode_engine_->Uninitialize();
-}
-
-void IpcVideoDecoder::Pause(media::FilterCallback* callback) {
-  // TODO(hclam): It looks like that pause is not necessary so implement this
-  // later.
-  callback->Run();
-  delete callback;
-}
-
-void IpcVideoDecoder::Flush(media::FilterCallback* callback) {
-  flush_callback_.reset(callback);
-  decode_engine_->Flush();
-}
-
-void IpcVideoDecoder::Seek(base::TimeDelta time,
-                           media::FilterCallback* callback) {
-  seek_callback_.reset(callback);
-  decode_engine_->Seek();
-}
-
-void IpcVideoDecoder::OnInitializeComplete(const media::VideoCodecInfo& info) {
-  DCHECK_EQ(ChildProcess::current()->io_message_loop(), MessageLoop::current());
-
-  if (info.success) {
-    media_format_.SetAsInteger(media::MediaFormat::kSurfaceType,
-                               media::VideoFrame::TYPE_GL_TEXTURE);
-    media_format_.SetAsInteger(media::MediaFormat::kSurfaceFormat,
-                               info.stream_info.surface_format);
-    media_format_.SetAsInteger(media::MediaFormat::kWidth,
-                               info.stream_info.surface_width);
-    media_format_.SetAsInteger(media::MediaFormat::kHeight,
-                               info.stream_info.surface_height);
-    media_format_.SetAsInteger(
-        media::MediaFormat::kSurfaceType,
-        static_cast<int>(media::VideoFrame::TYPE_GL_TEXTURE));
-  } else {
-    LOG(ERROR) << "IpcVideoDecoder initialization failed!";
-    host()->SetError(media::PIPELINE_ERROR_DECODE);
-  }
-
-  initialize_callback_->Run();
-  initialize_callback_.reset();
-}
-
-void IpcVideoDecoder::OnUninitializeComplete() {
-  DCHECK_EQ(ChildProcess::current()->io_message_loop(), MessageLoop::current());
-
-  // After the decode engine is uninitialized we are safe to destroy the decode
-  // context. The task will add a refcount to this object so don't need to worry
-  // about objects lifetime.
-  decode_context_->Destroy(
-      NewRunnableMethod(this, &IpcVideoDecoder::OnDestroyComplete));
-
-  // We don't need to wait for destruction of decode context to complete because
-  // it can happen asynchronously. This object and decode context will live
-  // until the destruction task is called.
-  stop_callback_->Run();
-  stop_callback_.reset();
-}
-
-void IpcVideoDecoder::OnFlushComplete() {
-  DCHECK_EQ(ChildProcess::current()->io_message_loop(), MessageLoop::current());
-  flush_callback_->Run();
-  flush_callback_.reset();
-}
-
-void IpcVideoDecoder::OnSeekComplete() {
-  DCHECK_EQ(ChildProcess::current()->io_message_loop(), MessageLoop::current());
-  seek_callback_->Run();
-  seek_callback_.reset();
-}
-
-void IpcVideoDecoder::OnError() {
-  DCHECK_EQ(ChildProcess::current()->io_message_loop(), MessageLoop::current());
-  host()->SetError(media::PIPELINE_ERROR_DECODE);
-}
-
-// This methid is called by Demuxer after a demuxed packet is produced.
-void IpcVideoDecoder::OnReadComplete(media::Buffer* buffer) {
-  decode_engine_->ConsumeVideoSample(buffer);
-}
-
-void IpcVideoDecoder::OnDestroyComplete() {
-  // We don't need to do anything in this method. Destruction of objects will
-  // occur as soon as refcount goes to 0.
-}
-
-// This method is called by VideoRenderer. We delegate the method call to
-// VideoDecodeEngine.
-void IpcVideoDecoder::ProduceVideoFrame(
-    scoped_refptr<media::VideoFrame> video_frame) {
-  decode_engine_->ProduceVideoFrame(video_frame);
-}
-
-bool IpcVideoDecoder::ProvidesBuffer() {
-  return true;
-}
-
-// This method is called by VideoDecodeEngine that a video frame is produced.
-// This is then passed to VideoRenderer.
-void IpcVideoDecoder::ConsumeVideoFrame(
-    scoped_refptr<media::VideoFrame> video_frame,
-    const media::PipelineStatistics& statistics) {
-  DCHECK(video_frame);
-  statistics_callback_->Run(statistics);
-
-  VideoFrameReady(video_frame);
-}
-
-// This method is called by VideoDecodeEngine to request a video frame. The
-// request is passed to demuxer.
-void IpcVideoDecoder::ProduceVideoSample(scoped_refptr<media::Buffer> buffer) {
-  demuxer_stream_->Read(NewCallback(this, &IpcVideoDecoder::OnReadComplete));
-}