| // Copyright (c) 2011 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 MEDIA_BASE_DEMUXER_STREAM_H_ |
| #define MEDIA_BASE_DEMUXER_STREAM_H_ |
| |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| class AudioDecoderConfig; |
| class Buffer; |
| class VideoDecoderConfig; |
| |
| class MEDIA_EXPORT DemuxerStream |
| : public base::RefCountedThreadSafe<DemuxerStream> { |
| public: |
| enum Type { |
| UNKNOWN, |
| AUDIO, |
| VIDEO, |
| NUM_TYPES, // Always keep this entry as the last one! |
| }; |
| |
| // Request a buffer to returned via the provided callback. |
| // |
| // Buffers will be non-NULL yet may be end of stream buffers. |
| typedef base::Callback<void(scoped_refptr<Buffer>)> ReadCallback; |
| virtual void Read(const ReadCallback& read_callback) = 0; |
| |
| // Returns the audio decoder configuration. It is an error to call this method |
| // if type() != AUDIO. |
| virtual const AudioDecoderConfig& audio_decoder_config() = 0; |
| |
| // Returns the video decoder configuration. It is an error to call this method |
| // if type() != VIDEO. |
| virtual const VideoDecoderConfig& video_decoder_config() = 0; |
| |
| // Returns the type of stream. |
| virtual Type type() = 0; |
| |
| virtual void EnableBitstreamConverter() = 0; |
| |
| protected: |
| friend class base::RefCountedThreadSafe<DemuxerStream>; |
| virtual ~DemuxerStream(); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_DEMUXER_STREAM_H_ |