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Diffstat (limited to 'chromium/third_party/webrtc/modules/audio_coding/neteq4/decoder_database.h')
-rw-r--r-- | chromium/third_party/webrtc/modules/audio_coding/neteq4/decoder_database.h | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/chromium/third_party/webrtc/modules/audio_coding/neteq4/decoder_database.h b/chromium/third_party/webrtc/modules/audio_coding/neteq4/decoder_database.h deleted file mode 100644 index 9effd525ded..00000000000 --- a/chromium/third_party/webrtc/modules/audio_coding/neteq4/decoder_database.h +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ4_DECODER_DATABASE_H_ -#define WEBRTC_MODULES_AUDIO_CODING_NETEQ4_DECODER_DATABASE_H_ - -#include <map> - -#include "webrtc/common_types.h" // NULL -#include "webrtc/modules/audio_coding/neteq4/interface/audio_decoder.h" -#include "webrtc/modules/audio_coding/neteq4/packet.h" -#include "webrtc/system_wrappers/interface/constructor_magic.h" -#include "webrtc/typedefs.h" - -namespace webrtc { - -// Forward declaration. -class AudioDecoder; - -class DecoderDatabase { - public: - enum DatabaseReturnCodes { - kOK = 0, - kInvalidRtpPayloadType = -1, - kCodecNotSupported = -2, - kInvalidSampleRate = -3, - kDecoderExists = -4, - kDecoderNotFound = -5, - kInvalidPointer = -6 - }; - - // Struct used to store decoder info in the database. - struct DecoderInfo { - // Constructors. - DecoderInfo() - : codec_type(kDecoderArbitrary), - fs_hz(8000), - decoder(NULL), - external(false) { - } - DecoderInfo(NetEqDecoder ct, int fs, AudioDecoder* dec, bool ext) - : codec_type(ct), - fs_hz(fs), - decoder(dec), - external(ext) { - } - // Destructor. (Defined in decoder_database.cc.) - ~DecoderInfo(); - - NetEqDecoder codec_type; - int fs_hz; - AudioDecoder* decoder; - bool external; - }; - - static const uint8_t kMaxRtpPayloadType = 0x7F; // Max for a 7-bit number. - // Maximum value for 8 bits, and an invalid RTP payload type (since it is - // only 7 bits). - static const uint8_t kRtpPayloadTypeError = 0xFF; - - DecoderDatabase(); - - virtual ~DecoderDatabase(); - - // Returns true if the database is empty. - virtual bool Empty() const; - - // Returns the number of decoders registered in the database. - virtual int Size() const; - - // Resets the database, erasing all registered payload types, and deleting - // any AudioDecoder objects that were not externally created and inserted - // using InsertExternal(). - virtual void Reset(); - - // Registers |rtp_payload_type| as a decoder of type |codec_type|. Returns - // kOK on success; otherwise an error code. - virtual int RegisterPayload(uint8_t rtp_payload_type, - NetEqDecoder codec_type); - - // Registers an externally created AudioDecoder object, and associates it - // as a decoder of type |codec_type| with |rtp_payload_type|. - virtual int InsertExternal(uint8_t rtp_payload_type, - NetEqDecoder codec_type, - int fs_hz, AudioDecoder* decoder); - - // Removes the entry for |rtp_payload_type| from the database. - // Returns kDecoderNotFound or kOK depending on the outcome of the operation. - virtual int Remove(uint8_t rtp_payload_type); - - // Returns a pointer to the DecoderInfo struct for |rtp_payload_type|. If - // no decoder is registered with that |rtp_payload_type|, NULL is returned. - virtual const DecoderInfo* GetDecoderInfo(uint8_t rtp_payload_type) const; - - // Returns one RTP payload type associated with |codec_type|, or - // kDecoderNotFound if no entry exists for that value. Note that one - // |codec_type| may be registered with several RTP payload types, and the - // method may return any of them. - virtual uint8_t GetRtpPayloadType(NetEqDecoder codec_type) const; - - // Returns a pointer to the AudioDecoder object associated with - // |rtp_payload_type|, or NULL if none is registered. If the AudioDecoder - // object does not exist for that decoder, the object is created. - virtual AudioDecoder* GetDecoder(uint8_t rtp_payload_type); - - // Returns true if |rtp_payload_type| is registered as a |codec_type|. - virtual bool IsType(uint8_t rtp_payload_type, - NetEqDecoder codec_type) const; - - // Returns true if |rtp_payload_type| is registered as comfort noise. - virtual bool IsComfortNoise(uint8_t rtp_payload_type) const; - - // Returns true if |rtp_payload_type| is registered as DTMF. - virtual bool IsDtmf(uint8_t rtp_payload_type) const; - - // Returns true if |rtp_payload_type| is registered as RED. - virtual bool IsRed(uint8_t rtp_payload_type) const; - - // Sets the active decoder to be |rtp_payload_type|. If this call results in a - // change of active decoder, |new_decoder| is set to true. The previous active - // decoder's AudioDecoder object is deleted. - virtual int SetActiveDecoder(uint8_t rtp_payload_type, bool* new_decoder); - - // Returns the current active decoder, or NULL if no active decoder exists. - virtual AudioDecoder* GetActiveDecoder(); - - // Sets the active comfort noise decoder to be |rtp_payload_type|. If this - // call results in a change of active comfort noise decoder, the previous - // active decoder's AudioDecoder object is deleted. - virtual int SetActiveCngDecoder(uint8_t rtp_payload_type); - - // Returns the current active comfort noise decoder, or NULL if no active - // comfort noise decoder exists. - virtual AudioDecoder* GetActiveCngDecoder(); - - // Returns kOK if all packets in |packet_list| carry payload types that are - // registered in the database. Otherwise, returns kDecoderNotFound. - virtual int CheckPayloadTypes(const PacketList& packet_list) const; - - private: - typedef std::map<uint8_t, DecoderInfo> DecoderMap; - - DecoderMap decoders_; - int active_decoder_; - int active_cng_decoder_; - - DISALLOW_COPY_AND_ASSIGN(DecoderDatabase); -}; - -} // namespace webrtc -#endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ4_DECODER_DATABASE_H_ |