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video_decoder_client_dev.h
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50 lines (38 loc) · 1.69 KB
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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.
#ifndef PPAPI_CPP_DEV_VIDEO_DECODER_CLIENT_DEV_H_
#define PPAPI_CPP_DEV_VIDEO_DECODER_CLIENT_DEV_H_
#include "ppapi/c/pp_stdint.h"
#include "ppapi/c/dev/pp_video_dev.h"
#include "ppapi/cpp/instance_handle.h"
namespace pp {
class Instance;
// This class provides a C++ interface for callbacks related to video decoding.
// It is the C++ counterpart to PPP_VideoDecoder_Dev.
// You would normally use multiple inheritance to derive from this class in your
// instance.
class VideoDecoderClient_Dev {
public:
VideoDecoderClient_Dev(Instance* instance);
virtual ~VideoDecoderClient_Dev();
// Callback to provide buffers for the decoded output pictures.
virtual void ProvidePictureBuffers(PP_Resource decoder,
uint32_t req_num_of_bufs,
const PP_Size& dimensions,
uint32_t texture_target) = 0;
// Callback for decoder to deliver unneeded picture buffers back to the
// plugin.
virtual void DismissPictureBuffer(PP_Resource decoder,
int32_t picture_buffer_id) = 0;
// Callback to deliver decoded pictures ready to be displayed.
virtual void PictureReady(PP_Resource decoder,
const PP_Picture_Dev& picture) = 0;
// Callback to notify about decoding errors.
virtual void NotifyError(PP_Resource decoder,
PP_VideoDecodeError_Dev error) = 0;
private:
InstanceHandle associated_instance_;
};
} // namespace pp
#endif // PPAPI_CPP_DEV_VIDEO_DECODER_CLIENT_DEV_H_