Index: media/filters/audio_decoder_factory.h |
diff --git a/media/filters/audio_decoder_factory.h b/media/filters/audio_decoder_factory.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f1187e603d4e4e38325212a62ed17cad089206f7 |
--- /dev/null |
+++ b/media/filters/audio_decoder_factory.h |
@@ -0,0 +1,73 @@ |
+// Copyright (c) 2012 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_FILTERS_AUDIO_DECODER_FACTORY_H_ |
+#define MEDIA_FILTERS_AUDIO_DECODER_FACTORY_H_ |
+ |
+#include <list> |
+ |
+#include "base/callback.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/memory/weak_ptr.h" |
+#include "media/base/audio_decoder.h" |
+#include "media/base/decryptor.h" |
+#include "media/base/demuxer_stream.h" |
+ |
+namespace base { |
+class MessageLoopProxy; |
+} |
+ |
+namespace media { |
+ |
+class DecoderBuffer; |
+class DecryptingDemuxerStream; |
+class Decryptor; |
+ |
+// AudioDecoderFactory (creates if necessary and) initializes the proper |
+// AudioDecoder for a given DemuxerStream. If the given DemuxerStream is |
+// encrypted, a DecryptingDemuxerStream may also be created. |
+class MEDIA_EXPORT AudioDecoderFactory { |
+ public: |
+ typedef std::list<scoped_refptr<AudioDecoder> > AudioDecoderList; |
+ |
+ typedef base::Callback< |
+ void(const scoped_refptr<AudioDecoder>&, |
+ const scoped_refptr<DecryptingDemuxerStream>&)> InitDoneCB; |
+ |
+ AudioDecoderFactory( |
+ const scoped_refptr<base::MessageLoopProxy>& message_loop, |
+ const AudioDecoderList& precreated_decoders, |
+ const RequestDecryptorNotificationCB& request_decryptor_notification_cb); |
+ ~AudioDecoderFactory(); |
+ |
+ void InitAudioDecoder(const scoped_refptr<DemuxerStream>& stream, |
+ const StatisticsCB& statistics_cb, |
+ InitDoneCB init_done_cb); |
+ |
+ private: |
+ void OnDecryptingAudioDecoderInitDone(PipelineStatus status); |
+ void OnDecryptingDemuxerStreamInitDone(PipelineStatus status); |
+ void InitializeNextDecoder(); |
+ void OnDecoderInitDone(PipelineStatus status); |
+ |
+ scoped_refptr<base::MessageLoopProxy> message_loop_; |
+ AudioDecoderList precreated_decoders_; |
+ RequestDecryptorNotificationCB request_decryptor_notification_cb_; |
+ |
+ scoped_refptr<DemuxerStream> input_stream_; |
+ StatisticsCB statistics_cb_; |
+ InitDoneCB init_done_cb_; |
+ |
+ scoped_refptr<AudioDecoder> audio_decoder_; |
+ scoped_refptr<DecryptingDemuxerStream> decrypted_stream_; |
+ |
+ base::WeakPtrFactory<AudioDecoderFactory> weak_ptr_factory_; |
+ base::WeakPtr<AudioDecoderFactory> weak_this_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(AudioDecoderFactory); |
+}; |
+ |
+} // namespace media |
+ |
+#endif // MEDIA_FILTERS_AUDIO_DECODER_FACTORY_H_ |