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Diffstat (limited to 'chromium/media/cast/audio_receiver/audio_decoder.h')
| -rw-r--r-- | chromium/media/cast/audio_receiver/audio_decoder.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/chromium/media/cast/audio_receiver/audio_decoder.h b/chromium/media/cast/audio_receiver/audio_decoder.h new file mode 100644 index 00000000000..2f5f13aea2d --- /dev/null +++ b/chromium/media/cast/audio_receiver/audio_decoder.h @@ -0,0 +1,54 @@ +// Copyright 2013 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_CAST_AUDIO_RECEIVER_AUDIO_DECODER_H_ +#define MEDIA_CAST_AUDIO_RECEIVER_AUDIO_DECODER_H_ + +#include "base/callback.h" +#include "base/memory/ref_counted.h" +#include "media/cast/cast_config.h" +#include "media/cast/cast_thread.h" +#include "media/cast/rtp_common/rtp_defines.h" + +namespace webrtc { +class AudioCodingModule; +} + +namespace media { +namespace cast { + +// Thread safe class. +// It should be called from the main cast thread; however that is not required. +class AudioDecoder : public base::RefCountedThreadSafe<AudioDecoder> { + public: + explicit AudioDecoder(scoped_refptr<CastThread> cast_thread, + const AudioReceiverConfig& audio_config); + + virtual ~AudioDecoder(); + + // Extract a raw audio frame from the decoder. + // Set the number of desired 10ms blocks and frequency. + bool GetRawAudioFrame(int number_of_10ms_blocks, + int desired_frequency, + PcmAudioFrame* audio_frame, + uint32* rtp_timestamp); + + // Insert an RTP packet to the decoder. + void IncomingParsedRtpPacket(const uint8* payload_data, + int payload_size, + const RtpCastHeader& rtp_header); + + private: + // Can't use scoped_ptr due to protected constructor within webrtc. + webrtc::AudioCodingModule* audio_decoder_; + bool have_received_packets_; + scoped_refptr<CastThread> cast_thread_; + + DISALLOW_COPY_AND_ASSIGN(AudioDecoder); +}; + +} // namespace cast +} // namespace media + +#endif // MEDIA_CAST_AUDIO_RECEIVER_AUDIO_DECODER_H_
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