1// Copyright (c) 2012 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 "ppapi/cpp/dev/video_decoder_client_dev.h" 6 7#include "ppapi/c/dev/ppp_video_decoder_dev.h" 8#include "ppapi/cpp/dev/video_decoder_dev.h" 9#include "ppapi/cpp/instance.h" 10#include "ppapi/cpp/instance_handle.h" 11#include "ppapi/cpp/module.h" 12#include "ppapi/cpp/module_impl.h" 13 14namespace pp { 15 16namespace { 17 18const char kPPPVideoDecoderInterface[] = PPP_VIDEODECODER_DEV_INTERFACE; 19 20// Callback to provide buffers for the decoded output pictures. 21void ProvidePictureBuffers(PP_Instance instance, 22 PP_Resource decoder, 23 uint32_t req_num_of_bufs, 24 const PP_Size* dimensions, 25 uint32_t texture_target) { 26 void* object = Instance::GetPerInstanceObject(instance, 27 kPPPVideoDecoderInterface); 28 if (!object) 29 return; 30 static_cast<VideoDecoderClient_Dev*>(object)->ProvidePictureBuffers( 31 decoder, req_num_of_bufs, *dimensions, texture_target); 32} 33 34void DismissPictureBuffer(PP_Instance instance, 35 PP_Resource decoder, 36 int32_t picture_buffer_id) { 37 void* object = Instance::GetPerInstanceObject(instance, 38 kPPPVideoDecoderInterface); 39 if (!object) 40 return; 41 static_cast<VideoDecoderClient_Dev*>(object)->DismissPictureBuffer( 42 decoder, picture_buffer_id); 43} 44 45void PictureReady(PP_Instance instance, 46 PP_Resource decoder, 47 const PP_Picture_Dev* picture) { 48 void* object = Instance::GetPerInstanceObject(instance, 49 kPPPVideoDecoderInterface); 50 if (!object) 51 return; 52 static_cast<VideoDecoderClient_Dev*>(object)->PictureReady(decoder, *picture); 53} 54 55void NotifyError(PP_Instance instance, 56 PP_Resource decoder, 57 PP_VideoDecodeError_Dev error) { 58 void* object = Instance::GetPerInstanceObject(instance, 59 kPPPVideoDecoderInterface); 60 if (!object) 61 return; 62 static_cast<VideoDecoderClient_Dev*>(object)->NotifyError(decoder, error); 63} 64 65static PPP_VideoDecoder_Dev videodecoder_interface = { 66 &ProvidePictureBuffers, 67 &DismissPictureBuffer, 68 &PictureReady, 69 &NotifyError, 70}; 71 72} // namespace 73 74VideoDecoderClient_Dev::VideoDecoderClient_Dev(Instance* instance) 75 : associated_instance_(instance) { 76 Module::Get()->AddPluginInterface(kPPPVideoDecoderInterface, 77 &videodecoder_interface); 78 instance->AddPerInstanceObject(kPPPVideoDecoderInterface, this); 79} 80 81VideoDecoderClient_Dev::~VideoDecoderClient_Dev() { 82 Instance::RemovePerInstanceObject(associated_instance_, 83 kPPPVideoDecoderInterface, this); 84} 85 86} // namespace pp 87