rtc_video_decoder_factory.cc revision 3551c9c881056c480085172ff9840cab31610854 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/renderer/media/rtc_video_decoder_factory.h"
6
7#include "base/location.h"
8#include "base/memory/scoped_ptr.h"
9#include "content/renderer/media/renderer_gpu_video_accelerator_factories.h"
10#include "content/renderer/media/rtc_video_decoder.h"
11
12namespace content {
13
14RTCVideoDecoderFactory::RTCVideoDecoderFactory(
15    const scoped_refptr<RendererGpuVideoAcceleratorFactories>& gpu_factories)
16    : gpu_factories_(gpu_factories) {
17  DVLOG(2) << "RTCVideoDecoderFactory";
18}
19
20RTCVideoDecoderFactory::~RTCVideoDecoderFactory() {
21  DVLOG(2) << "~RTCVideoDecoderFactory";
22}
23
24webrtc::VideoDecoder* RTCVideoDecoderFactory::CreateVideoDecoder(
25    webrtc::VideoCodecType type) {
26  DVLOG(2) << "CreateVideoDecoder";
27  // GpuVideoAcceleratorFactories is not thread safe. It cannot be shared
28  // by different decoders. This method runs on Chrome_libJingle_WorkerThread
29  // and the child thread is blocked while this runs. We cannot create new gpu
30  // factories here. Clone one instead.
31  scoped_ptr<RTCVideoDecoder> decoder =
32      RTCVideoDecoder::Create(type, gpu_factories_->Clone());
33  return decoder.release();
34}
35
36void RTCVideoDecoderFactory::DestroyVideoDecoder(
37    webrtc::VideoDecoder* decoder) {
38  DVLOG(2) << "DestroyVideoDecoder";
39  gpu_factories_->GetMessageLoop()->DeleteSoon(FROM_HERE, decoder);
40}
41
42}  // namespace content
43