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// Copyright 2014 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 CHROMECAST_MEDIA_CMA_BASE_DECODER_BUFFER_BASE_H_
#define CHROMECAST_MEDIA_CMA_BASE_DECODER_BUFFER_BASE_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "chromecast/public/media/cast_decoder_buffer.h"
#include "chromecast/public/media/decrypt_context.h"
namespace chromecast {
namespace media {
// DecoderBufferBase exposes only the properties of an audio/video buffer.
// The way a DecoderBufferBase is created and organized in memory
// is left as a detail of the implementation of derived classes.
class DecoderBufferBase : public CastDecoderBuffer,
public base::RefCountedThreadSafe<DecoderBufferBase> {
public:
// Partial CastDecoderBuffer implementation:
DecryptContext* decrypt_context() const override;
void set_decrypt_context(scoped_ptr<DecryptContext> context) {
decrypt_context_ = context.Pass();
}
// Sets the PTS of the frame.
virtual void set_timestamp(base::TimeDelta timestamp) = 0;
// Gets a pointer to the frame data buffer.
virtual uint8_t* writable_data() const = 0;
protected:
friend class base::RefCountedThreadSafe<DecoderBufferBase>;
DecoderBufferBase();
~DecoderBufferBase() override;
private:
scoped_ptr<DecryptContext> decrypt_context_;
DISALLOW_COPY_AND_ASSIGN(DecoderBufferBase);
};
inline DecoderBufferBase::DecoderBufferBase() {
}
inline DecoderBufferBase::~DecoderBufferBase() {
}
inline DecryptContext* DecoderBufferBase::decrypt_context() const {
return decrypt_context_.get();
}
} // namespace media
} // namespace chromecast
#endif // CHROMECAST_MEDIA_CMA_BASE_DECODER_BUFFER_BASE_H_
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