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video_decoder_client_dev.cc
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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/cpp/dev/video_decoder_client_dev.h"
#include "ppapi/c/dev/ppp_video_decoder_dev.h"
#include "ppapi/cpp/dev/video_decoder_dev.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/module_impl.h"
namespace pp {
namespace {
const char kPPPVideoDecoderInterface[] = PPP_VIDEODECODER_DEV_INTERFACE;
// Callback to provide buffers for the decoded output pictures.
void ProvidePictureBuffers(PP_Instance instance,
PP_Resource decoder,
uint32_t req_num_of_bufs,
const PP_Size* dimensions,
uint32_t texture_target) {
void* object = Instance::GetPerInstanceObject(instance,
kPPPVideoDecoderInterface);
if (!object)
return;
static_cast<VideoDecoderClient_Dev*>(object)->ProvidePictureBuffers(
decoder, req_num_of_bufs, *dimensions, texture_target);
}
void DismissPictureBuffer(PP_Instance instance,
PP_Resource decoder,
int32_t picture_buffer_id) {
void* object = Instance::GetPerInstanceObject(instance,
kPPPVideoDecoderInterface);
if (!object)
return;
static_cast<VideoDecoderClient_Dev*>(object)->DismissPictureBuffer(
decoder, picture_buffer_id);
}
void PictureReady(PP_Instance instance,
PP_Resource decoder,
const PP_Picture_Dev* picture) {
void* object = Instance::GetPerInstanceObject(instance,
kPPPVideoDecoderInterface);
if (!object)
return;
static_cast<VideoDecoderClient_Dev*>(object)->PictureReady(decoder, *picture);
}
void NotifyError(PP_Instance instance,
PP_Resource decoder,
PP_VideoDecodeError_Dev error) {
void* object = Instance::GetPerInstanceObject(instance,
kPPPVideoDecoderInterface);
if (!object)
return;
static_cast<VideoDecoderClient_Dev*>(object)->NotifyError(decoder, error);
}
static PPP_VideoDecoder_Dev videodecoder_interface = {
&ProvidePictureBuffers,
&DismissPictureBuffer,
&PictureReady,
&NotifyError,
};
} // namespace
VideoDecoderClient_Dev::VideoDecoderClient_Dev(Instance* instance)
: associated_instance_(instance) {
Module::Get()->AddPluginInterface(kPPPVideoDecoderInterface,
&videodecoder_interface);
instance->AddPerInstanceObject(kPPPVideoDecoderInterface, this);
}
VideoDecoderClient_Dev::~VideoDecoderClient_Dev() {
Instance::RemovePerInstanceObject(associated_instance_,
kPPPVideoDecoderInterface, this);
}
} // namespace pp