| /** |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef AUDIO_AMRFMT_H_INCLUDED |
| #define AUDIO_AMRFMT_H_INCLUDED |
| |
| #include <ImsMediaDefine.h> |
| #include <stdint.h> |
| |
| #define IMSAMR_FRAME_BYTES 34 |
| |
| #define EVS_COMPACT_PRIMARY_PAYLOAD_NUM 13 |
| #define EVS_COMPACT_AMRWBIO_PAYLOAD_NUM 10 |
| #define EVS_COMPACT_PAYLOAD_MAX_NUM 32 |
| |
| #define AUDIO_STOP_TIMEOUT 1000 |
| |
| enum kImsAudioFrameEntype |
| { |
| kImsAudioFrameGsmSid = 0, /* GSM HR, FR or EFR : silence descriptor */ |
| kImsAudioFrameGsmSpeechGood, /* GSM HR, FR or EFR : good speech frame */ |
| kImsAudioFrameGsmBfi, /* GSM HR, FR or EFR : bad frame indicator */ |
| kImsAudioFrameGsmInvalidSid, /* GSM HR : invalid SID frame */ |
| kImsAudioFrameAmrSpeechGood, /* AMR : good speech frame */ |
| kImsAudioFrameAmrSpeechDegraded, /* AMR : degraded speech frame */ |
| kImsAudioFrameAmrOnSet, /* AMR : onset */ |
| kImsAudioFrameAmrSpeechBad, /* AMR : bad speech frame */ |
| kImsAudioFrameAmrSidFirst, /* AMR : first silence descriptor */ |
| kImsAudioFrameAmrSidUpdate, /* AMR : successive silence descriptor */ |
| kImsAudioFrameAmrSidBad, /* AMR : bad silence descriptor frame */ |
| kImsAudioFrameAmrNoData, /* AMR : Nothing to Transmit */ |
| kImsAudioFrameAmrSpeechLost, /* downlink speech lost */ |
| kImsAudioFrameMax |
| }; |
| |
| enum kImsAudioAmrMode |
| { |
| kImsAudioAmrMode475 = 0, /* 4.75 kbit/s */ |
| kImsAudioAmrMode515 = 1, /* 5.15 kbit/s */ |
| kImsAudioAmrMode590 = 2, /* 5.90 kbit/s */ |
| kImsAudioAmrMode670 = 3, /* 6.70 kbit/s */ |
| kImsAudioAmrMode740 = 4, /* 7.40 kbit/s */ |
| kImsAudioAmrMode795 = 5, /* 7.95 kbit/s */ |
| kImsAudioAmrMode1020 = 6, /* 10.20 kbit/s */ |
| kImsAudioAmrMode1220 = 7, /* 12.20 kbit/s, also used for GSM EFR */ |
| kImsAudioAmrModeSID = 8, /* AMR SID */ |
| /* 9~13: for future use */ |
| kImsAudioAmrModeSPL = 14, /* Speech Lost frame */ |
| kImsAudioAmrModeNoData = 15, /* No Data */ |
| kImsAudioAmrModeEVRC0 = 0, /* Indicates vocoder data was blanked. */ |
| kImsAudioAmrModeEVRC8, /* Indicates rate 1/8 vocoder data. */ |
| kImsAudioAmrModeEVRC4, /* Indicates rate 1/4 vocoder data. */ |
| kImsAudioAmrModeEVRC2, /* Indicates rate 1/2 vocoder data. */ |
| kImsAudioAmrModeEVRC1, /* Indicates rate 1 vocoder data. */ |
| kImsAudioAmrModeEVRCERASURE, /* Indicates frame erasure */ |
| kImsAudioAmrModeEVRCERR, /* Indicates invalid vocoder data. */ |
| kImsAudioAmrModeMax |
| }; |
| |
| enum kImsAudioAmrWbMode |
| { |
| kImsAudioAmrWbMode660 = 0, /* 6.60 kbit/s */ |
| kImsAudioAmrWbMode885 = 1, /* 8.85 kbit/s */ |
| kImsAudioAmrWbMode1265 = 2, /* 12.65 kbit/s */ |
| kImsAudioAmrWbMode1425 = 3, /* 14.25 kbit/s */ |
| kImsAudioAmrWbMode1585 = 4, /* 15.85 kbit/s */ |
| kImsAudioAmrWbMode1825 = 5, /* 18.25 kbit/s */ |
| kImsAudioAmrWbMode1985 = 6, /* 19.85 kbit/s */ |
| kImsAudioAmrWbMode2305 = 7, /* 23.05 kbit/s */ |
| kImsAudioAmrWbMode2385 = 8, /* 23.85 kbit/s */ |
| kImsAudioAmrWbModeSID = 9, /* AMRWB SID */ |
| /* 10~13: for future use */ |
| kImsAudioAmrWbModeSPL = 14, /* AMRWB Speech Lost frame */ |
| kImsAudioAmrWbModeNoData = 15, /* AMRWB No Data */ |
| kImsAudioAmrWbModeMax |
| }; |
| |
| enum kImsAudioEvsMode |
| { |
| kImsAudioEvsAmrWbIoMode660 = 0, /* 6.60 kbps AMR-IO*/ |
| kImsAudioEvsAmrWbIoMode885 = 1, /* 8.85 kbps AMR-IO*/ |
| kImsAudioEvsAmrWbIoMode1265 = 2, /* 12.65 kbps AMR-IO */ |
| kImsAudioEvsAmrWbIoMode1425 = 3, /* 14.25 kbps AMR-IO */ |
| kImsAudioEvsAmrWbIoMode1585 = 4, /* 15.85 kbps AMR-IO */ |
| kImsAudioEvsAmrWbIoMode1825 = 5, /* 18.25 kbps AMR-IO */ |
| kImsAudioEvsAmrWbIoMode1985 = 6, /* 19.85 kbps AMR-IO */ |
| kImsAudioEvsAmrWbIoMode2305 = 7, /* 23.05 kbps AMR-IO */ |
| kImsAudioEvsAmrWbIoMode2385 = 8, /* 23.85 kbps AMR-IO */ |
| kImsAudioEvsPrimaryMode5900 = 9, /* 5.9 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode7200 = 10, /* 7.2 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode8000 = 11, /* 8.0 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode9600 = 12, /* 9.6 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode13200 = 13, /* 13.2 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode16400 = 14, /* 16.4 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode24400 = 15, /* 24.4 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode32000 = 16, /* 32.0 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode48000 = 17, /* 48.0 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode64000 = 18, /* 64.0 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode96000 = 19, /* 96.0 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryMode128000 = 20, /* 128.0 kbps, EVS Primary */ |
| kImsAudioEvsPrimaryModeSID = 21, /* 2.4 kbps, EVS Primary SID */ |
| kImsAudioEvsPrimaryModeSpeechLost = 22, /* SPEECH LOST */ |
| kImsAudioEvsPrimaryModeNoData = 23, /* NO DATA */ |
| kImsAudioEvsModeMax |
| }; |
| |
| // TODO: need to remove this with respective changes |
| enum kImsAudioEvsAmrWbIoMode |
| { |
| kImsAudioEvsAmrWbIoMode0660 = 0, /* 6.60 kbit/s */ |
| kImsAudioEvsAmrWbIoMode0885 = 1, /* 8.85 kbit/s */ |
| kImsAudioEvsAmrWbIoMode01265 = 2, /* 12.65 kbit/s */ |
| kImsAudioEvsAmrWbIoMode01425 = 3, /* 14.25 kbit/s */ |
| kImsAudioEvsAmrWbIoMode01585 = 4, /* 15.85 kbit/s */ |
| kImsAudioEvsAmrWbIoMode01825 = 5, /* 18.25 kbit/s */ |
| kImsAudioEvsAmrWbIoMode01985 = 6, /* 19.85 kbit/s */ |
| kImsAudioEvsAmrWbIoMode02305 = 7, /* 23.05 kbit/s */ |
| kImsAudioEvsAmrWbIoMode02385 = 8, /* 23.85 kbit/s */ |
| kImsAudioEvsAmrWbIoModeSID = 9, /* AMRWB SID */ |
| /* 10~13: for future use */ |
| kImsAudioEvsAmrWbIoModeSPL = 14, /* AMRWB Speech Lost frame */ |
| kImsAudioEvsAmrWbIoModeNoData = 15, /* AMRWB No Data */ |
| kImsAudioEvsAmrWbIoModeMax |
| }; |
| |
| class ImsMediaAudioUtil |
| { |
| public: |
| static int32_t ConvertCodecType(int32_t type); |
| static int32_t ConvertEvsCodecMode(int32_t evsMode); |
| static uint32_t ConvertAmrModeToLen(uint32_t mode); |
| static uint32_t ConvertAmrModeToBitLen(uint32_t mode); |
| static uint32_t ConvertLenToAmrMode(uint32_t nLen); |
| static void ConvertEvsBandwidthToStr(kEvsBandwidth bandwidth, char* nBandwidth); |
| static uint32_t ConvertAmrWbModeToLen(uint32_t mode); |
| static uint32_t ConvertAmrWbModeToBitLen(uint32_t mode); |
| static uint32_t ConvertLenToAmrWbMode(uint32_t nLen); |
| static uint32_t ConvertLenToEVSAudioMode(uint32_t nLen); |
| static uint32_t ConvertLenToEVSAMRIOAudioMode(uint32_t nLen); |
| static uint32_t ConvertEVSAudioModeToBitLen(uint32_t mode); |
| static uint32_t ConvertEVSAMRIOAudioModeToBitLen(uint32_t mode); |
| static uint32_t ConvertAmrModeToBitrate(uint32_t mode); |
| static uint32_t ConvertAmrWbModeToBitrate(uint32_t mode); |
| static uint32_t GetMaximumAmrMode(int32_t bitmask); |
| static uint32_t GetMaximumEvsMode(int32_t bitmask); |
| static uint32_t GetBitrateEVS(int mode); |
| static kRtpPyaloadHeaderMode ConvertEVSPayloadMode( |
| uint32_t nDataSize, kEvsCodecMode* pEVSCodecMode, uint32_t* pEVSCompactId); |
| static kEvsBandwidth FindMaxEVSBandwidth(uint32_t nEVSBandwidthSet); |
| static kEvsBitrate FindMaxEVSBitrate(uint32_t nEVSBitrateSet, kEvsCodecMode kEvsCodecMode); |
| static kEvsCodecMode CheckEVSCodecMode(uint32_t nAudioFrameLength); |
| static int32_t ConvertEVSModeToBitRate(int32_t EvsModeToBitRate); |
| static kEvsBandwidth FindMaxEvsBandwidthFromRange(int32_t EvsBandwidthRange); |
| }; |
| |
| #endif // AUDIO_AMRFMT_H_INCLUDED |
