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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.
#ifndef CONTENT_RENDERER_PEPPER_PPB_VIDEO_DECODER_IMPL_H_
#define CONTENT_RENDERER_PEPPER_PPB_VIDEO_DECODER_IMPL_H_
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "media/video/video_decode_accelerator.h"
#include "ppapi/c/dev/pp_video_dev.h"
#include "ppapi/c/dev/ppp_video_decoder_dev.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/shared_impl/ppb_video_decoder_shared.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/thunk/ppb_video_decoder_dev_api.h"
struct PP_PictureBuffer_Dev;
struct PP_VideoBitstreamBuffer_Dev;
namespace content {
class PPB_VideoDecoder_Impl : public ppapi::PPB_VideoDecoder_Shared,
public media::VideoDecodeAccelerator::Client {
public:
// See PPB_VideoDecoder_Dev::Create. Returns 0 on failure to create &
// initialize.
static PP_Resource Create(PP_Instance instance,
PP_Resource graphics_context,
PP_VideoDecoder_Profile profile);
// PPB_VideoDecoder_Dev_API implementation.
int32_t Decode(const PP_VideoBitstreamBuffer_Dev* bitstream_buffer,
scoped_refptr<ppapi::TrackedCallback> callback) override;
void AssignPictureBuffers(uint32_t no_of_buffers,
const PP_PictureBuffer_Dev* buffers) override;
void ReusePictureBuffer(int32_t picture_buffer_id) override;
int32_t Flush(scoped_refptr<ppapi::TrackedCallback> callback) override;
int32_t Reset(scoped_refptr<ppapi::TrackedCallback> callback) override;
void Destroy() override;
// media::VideoDecodeAccelerator::Client implementation.
void ProvidePictureBuffers(uint32_t requested_num_of_buffers,
media::VideoPixelFormat format,
uint32_t textures_per_buffer,
const gfx::Size& dimensions,
uint32_t texture_target) override;
void DismissPictureBuffer(int32_t picture_buffer_id) override;
void PictureReady(const media::Picture& picture) override;
void NotifyError(media::VideoDecodeAccelerator::Error error) override;
void NotifyFlushDone() override;
void NotifyEndOfBitstreamBuffer(int32_t buffer_id) override;
void NotifyResetDone() override;
private:
~PPB_VideoDecoder_Impl() override;
explicit PPB_VideoDecoder_Impl(PP_Instance instance);
bool Init(PP_Resource graphics_context,
PP_VideoDecoder_Profile profile);
// Returns the associated PPP_VideoDecoder_Dev interface to use when
// making calls on the plugin. This fetches the interface lazily. For
// out-of-process plugins, this means a synchronous message to the plugin,
// so it's important to never call this in response to a synchronous
// plugin->renderer message (such as the Create message).
const PPP_VideoDecoder_Dev* GetPPP();
// This is NULL before initialization, and after destruction.
// Holds a GpuVideoDecodeAcceleratorHost.
std::unique_ptr<media::VideoDecodeAccelerator> decoder_;
// The interface to use when making calls on the plugin. For the most part,
// methods should not use this directly but should call GetPPP() instead.
const PPP_VideoDecoder_Dev* ppp_videodecoder_;
DISALLOW_COPY_AND_ASSIGN(PPB_VideoDecoder_Impl);
};
} // namespace content
#endif // CONTENT_RENDERER_PEPPER_PPB_VIDEO_DECODER_IMPL_H_
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