ee1879ca40
This operation was relatively simple, since no one was doing anything fishy with this enum. A large number of lines had to be changed because the enum values now live in their own namespace, but this is arguably worth it since it is now much clearer what sort of constant they are. BUG=webrtc:5028 Review URL: https://codereview.webrtc.org/1424083002 Cr-Commit-Position: refs/heads/master@{#10449}
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_AUDIO_DECODER_IMPL_H_
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#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_AUDIO_DECODER_IMPL_H_
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#include <assert.h>
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#include "webrtc/engine_configurations.h"
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/modules/audio_coding/codecs/audio_decoder.h"
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#include "webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h"
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#ifdef WEBRTC_CODEC_G722
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#include "webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h"
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#endif
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#include "webrtc/modules/audio_coding/main/acm2/rent_a_codec.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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// AudioDecoderCng is a special type of AudioDecoder. It inherits from
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// AudioDecoder just to fit in the DecoderDatabase. None of the class methods
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// should be used, except constructor, destructor, and accessors.
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// TODO(hlundin): Consider the possibility to create a super-class to
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// AudioDecoder that is stored in DecoderDatabase. Then AudioDecoder and a
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// specific CngDecoder class could both inherit from that class.
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class AudioDecoderCng : public AudioDecoder {
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public:
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explicit AudioDecoderCng();
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~AudioDecoderCng() override;
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void Reset() override;
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int IncomingPacket(const uint8_t* payload,
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size_t payload_len,
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uint16_t rtp_sequence_number,
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uint32_t rtp_timestamp,
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uint32_t arrival_timestamp) override;
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CNG_dec_inst* CngDecoderInstance() override;
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size_t Channels() const override;
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protected:
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int DecodeInternal(const uint8_t* encoded,
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size_t encoded_len,
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int sample_rate_hz,
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int16_t* decoded,
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SpeechType* speech_type) override;
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private:
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CNG_dec_inst* dec_state_;
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RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderCng);
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};
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using NetEqDecoder = acm2::RentACodec::NetEqDecoder;
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// Returns true if |codec_type| is supported.
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bool CodecSupported(NetEqDecoder codec_type);
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// Returns the sample rate for |codec_type|.
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int CodecSampleRateHz(NetEqDecoder codec_type);
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// Creates an AudioDecoder object of type |codec_type|. Returns NULL for for
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// unsupported codecs, and when creating an AudioDecoder is not applicable
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// (e.g., for RED and DTMF/AVT types).
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AudioDecoder* CreateAudioDecoder(NetEqDecoder codec_type);
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_AUDIO_DECODER_IMPL_H_
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