blob: 76659fd3ead5a1fdb0b6b16cf9dcdab1e5ed8822 [file] [log] [blame]
// 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.
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "chromecast/media/cma/base/decoder_buffer_base.h"
namespace chromecast {
namespace media {
class CastDecryptConfig;
class DecryptContextImpl;
class DecoderBufferClear : public DecoderBufferBase {
explicit DecoderBufferClear(scoped_refptr<DecoderBufferBase> buffer);
// DecoderBufferBase implementation.
StreamId stream_id() const override;
int64_t timestamp() const override;
void set_timestamp(base::TimeDelta timestamp) override;
const uint8_t* data() const override;
uint8_t* writable_data() const override;
size_t data_size() const override;
const CastDecryptConfig* decrypt_config() const override;
bool end_of_stream() const override;
scoped_refptr<::media::DecoderBuffer> ToMediaBuffer() const override;
~DecoderBufferClear() override;
const scoped_refptr<DecoderBufferBase> buffer_;
using BufferDecryptedCB =
base::OnceCallback<void(scoped_refptr<DecoderBufferBase>, bool)>;
// Create a new buffer which corresponds to the clear version of |buffer|.
// Note: the memory area corresponding to the ES data of the new buffer
// is the same as the ES data of |buffer| (for efficiency).
// After the |buffer_decrypted_cb| is called, |buffer| is left in a inconsistent
// state in the sense it has some decryption info but the ES data is now in
// clear.
void DecryptDecoderBuffer(scoped_refptr<DecoderBufferBase> buffer,
DecryptContextImpl* decrypt_ctxt,
BufferDecryptedCB buffer_decrypted_cb);
} // namespace media
} // namespace chromecast