blob: 2726dbad9e8a9c17be92ca301c8145ba01c05fa2 [file] [log] [blame]
// 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 <stdint.h>
#include <map>
#include <vector>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "ppapi/c/dev/ppb_video_decoder_dev.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/shared_impl/tracked_callback.h"
#include "ppapi/thunk/ppb_video_decoder_dev_api.h"
namespace gpu {
namespace gles2 {
class GLES2Implementation;
} // namespace gles2
} // namespace gpu
namespace ppapi {
// Implements the logic to set and run callbacks for various video decoder
// events. Both the proxy and the renderer implementation share this code.
class PPAPI_SHARED_EXPORT PPB_VideoDecoder_Shared
: public Resource,
public thunk::PPB_VideoDecoder_Dev_API {
explicit PPB_VideoDecoder_Shared(PP_Instance instance);
explicit PPB_VideoDecoder_Shared(const HostResource& host_resource);
~PPB_VideoDecoder_Shared() override;
// Resource overrides.
thunk::PPB_VideoDecoder_Dev_API* AsPPB_VideoDecoder_Dev_API() override;
// PPB_VideoDecoder_Dev_API implementation.
void Destroy() override;
bool SetFlushCallback(scoped_refptr<TrackedCallback> callback);
bool SetResetCallback(scoped_refptr<TrackedCallback> callback);
bool SetBitstreamBufferCallback(int32_t bitstream_buffer_id,
scoped_refptr<TrackedCallback> callback);
void RunFlushCallback(int32_t result);
void RunResetCallback(int32_t result);
void RunBitstreamBufferCallback(int32_t bitstream_buffer_id, int32_t result);
// Tell command buffer to process all commands it has received so far.
void FlushCommandBuffer();
// Initialize the underlying decoder.
void InitCommon(PP_Resource graphics_context,
gpu::gles2::GLES2Implementation* gles2_impl);
// Key: bitstream_buffer_id, value: callback to run when bitstream decode is
// done.
typedef std::map<int32_t, scoped_refptr<TrackedCallback>> CallbackById;
scoped_refptr<TrackedCallback> flush_callback_;
scoped_refptr<TrackedCallback> reset_callback_;
CallbackById bitstream_buffer_callbacks_;
// The resource ID of the underlying Graphics3D object being used. Used only
// for reference counting to keep it alive for the lifetime of |*this|.
PP_Resource graphics_context_;
// Reference to the GLES2Implementation owned by |graphics_context_|.
// Graphics3D is guaranteed to be alive for the lifetime of this class.
// In the out-of-process case, Graphics3D's gles2_impl() exists in the plugin
// process only, so gles2_impl_ is NULL in that case.
gpu::gles2::GLES2Implementation* gles2_impl_;
} // namespace ppapi