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// 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 "ppapi/shared_impl/ppb_video_decoder_shared.h"
#include "base/logging.h"
#include "gpu/command_buffer/client/gles2_implementation.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/shared_impl/ppb_graphics_3d_shared.h"
#include "ppapi/shared_impl/resource_tracker.h"
#include "ppapi/thunk/enter.h"
namespace ppapi {
PPB_VideoDecoder_Shared::PPB_VideoDecoder_Shared(PP_Instance instance)
: Resource(OBJECT_IS_IMPL, instance),
graphics_context_(0),
gles2_impl_(NULL) {}
PPB_VideoDecoder_Shared::PPB_VideoDecoder_Shared(
const HostResource& host_resource)
: Resource(OBJECT_IS_PROXY, host_resource),
graphics_context_(0),
gles2_impl_(NULL) {}
PPB_VideoDecoder_Shared::~PPB_VideoDecoder_Shared() {
// Destroy() must be called before the object is destroyed.
DCHECK(graphics_context_ == 0);
}
thunk::PPB_VideoDecoder_API* PPB_VideoDecoder_Shared::AsPPB_VideoDecoder_API() {
return this;
}
void PPB_VideoDecoder_Shared::InitCommon(
PP_Resource graphics_context,
gpu::gles2::GLES2Implementation* gles2_impl) {
DCHECK(graphics_context);
DCHECK(!gles2_impl_ && !graphics_context_);
gles2_impl_ = gles2_impl;
PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(graphics_context);
graphics_context_ = graphics_context;
}
void PPB_VideoDecoder_Shared::Destroy() {
if (graphics_context_) {
PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(
graphics_context_);
graphics_context_ = 0;
}
gles2_impl_ = NULL;
}
bool PPB_VideoDecoder_Shared::SetFlushCallback(
scoped_refptr<TrackedCallback> callback) {
if (TrackedCallback::IsPending(flush_callback_))
return false;
flush_callback_ = callback;
return true;
}
bool PPB_VideoDecoder_Shared::SetResetCallback(
scoped_refptr<TrackedCallback> callback) {
if (TrackedCallback::IsPending(reset_callback_))
return false;
reset_callback_ = callback;
return true;
}
bool PPB_VideoDecoder_Shared::SetBitstreamBufferCallback(
int32 bitstream_buffer_id,
scoped_refptr<TrackedCallback> callback) {
return bitstream_buffer_callbacks_.insert(std::make_pair(bitstream_buffer_id,
callback)).second;
}
void PPB_VideoDecoder_Shared::RunFlushCallback(int32 result) {
flush_callback_->Run(result);
}
void PPB_VideoDecoder_Shared::RunResetCallback(int32 result) {
reset_callback_->Run(result);
}
void PPB_VideoDecoder_Shared::RunBitstreamBufferCallback(
int32 bitstream_buffer_id,
int32 result) {
CallbackById::iterator it =
bitstream_buffer_callbacks_.find(bitstream_buffer_id);
DCHECK(it != bitstream_buffer_callbacks_.end());
scoped_refptr<TrackedCallback> cc = it->second;
bitstream_buffer_callbacks_.erase(it);
cc->Run(PP_OK);
}
void PPB_VideoDecoder_Shared::FlushCommandBuffer() {
// Ensure that graphics_context is still live before using gles2_impl_.
// Our "plugin reference" is not enough to keep graphics_context alive if
// DidDeleteInstance() has been called.
if (PpapiGlobals::Get()->GetResourceTracker()->GetResource(
graphics_context_)) {
if (gles2_impl_)
gles2_impl_->Flush();
}
}
} // namespace ppapi
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