blob: 20ccbf063365430a4d463f7e8e45c9a7b8c7f82b [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/macros.h"
#include "base/memory/ref_counted.h"
namespace media {
class AudioDecoderConfig;
class VideoDecoderConfig;
namespace chromecast {
namespace media {
class DecoderBufferBase;
class CodedFrameProvider {
typedef base::Callback<void(const scoped_refptr<DecoderBufferBase>&,
const ::media::AudioDecoderConfig&,
const ::media::VideoDecoderConfig&)> ReadCB;
virtual ~CodedFrameProvider();
// Request a coded frame which is provided asynchronously through callback
// |read_cb|.
// If the frame is associated with a new video/audio configuration,
// these configurations are returned as part of the |read_cb| callback.
// Invoking the |read_cb| callback with invalid audio/video configurations
// means the configurations have not changed.
virtual void Read(const ReadCB& read_cb) = 0;
// Flush the coded frames held by the frame provider.
// Invoke callback |flush_cb| when completed.
// Note: any pending read is cancelled, meaning that any pending |read_cb|
// callback will not be invoked.
// TODO(alokp): Delete this function once CmaRenderer is deprecated.
virtual void Flush(const base::Closure& flush_cb) = 0;
} // namespace media
} // namespace chromecast