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// Copyright (c) 2013 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 PPAPI_CPP_VIDEO_WRITER_H_
#define PPAPI_CPP_VIDEO_WRITER_H_
#include <string>
#include "ppapi/c/pp_time.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/pass_ref.h"
#include "ppapi/cpp/resource.h"
/// @file
/// This file defines the API to create and use video stream readers and
/// writers.
namespace pp {
class InstanceHandle;
class VideoFrame;
// VideoWriter -----------------------------------------------------------------
/// The <code>VideoWriter</code> class represents a video writer resource.
class VideoWriter : public Resource {
public:
/// Default constructor for creating a <code>VideoWriter</code> object.
VideoWriter();
/// Constructor for creating a <code>VideoWriter</code> for an instance.
explicit VideoWriter(const InstanceHandle& instance);
/// The copy constructor for <code>VideoWriter</code>.
///
/// @param[in] other A reference to a <code>VideoWriter</code>.
VideoWriter(const VideoWriter& other);
/// A constructor used when you have received a PP_Resource as a return
/// value that has had its reference count incremented for you.
///
/// @param[in] resource A PP_Resource corresponding to a video writer.
VideoWriter(PassRef, PP_Resource resource);
/// Opens a stream for writing video and associates it with the given id.
///
/// @param[in] callback A <code>CompletionCallbackWithOutput</code> to be
/// called upon completion of Open which writes the stream id generated by
/// the host.
///
/// @return A return code from <code>pp_errors.h</code>.
int32_t Open(const CompletionCallbackWithOutput<Var>& cc);
/// Puts the next frame of video to the writer's stream.
///
/// @param[in] frame A <code>VideoFrame</code> containing the frame to write
/// to the open stream.
///
/// @return A return code from <code>pp_errors.h</code>.
int32_t PutFrame(const VideoFrame& frame);
/// Closes the writer's current stream.
void Close();
};
} // namespace pp
#endif // PPAPI_CPP_VIDEO_WRITER_H_
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