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Support for Signal calls.
Merge in RedPhone // FREEBIE
This commit is contained in:
Moxie Marlinspike
264
jni/webrtc/modules/audio_coding/neteq/audio_decoder.cc
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264
jni/webrtc/modules/audio_coding/neteq/audio_decoder.cc
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/*
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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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#include "webrtc/modules/audio_coding/neteq/interface/audio_decoder.h"
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#include <assert.h>
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#include "webrtc/modules/audio_coding/neteq/audio_decoder_impl.h"
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namespace webrtc {
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int AudioDecoder::DecodeRedundant(const uint8_t* encoded,
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size_t encoded_len,
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int16_t* decoded,
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SpeechType* speech_type) {
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return Decode(encoded, encoded_len, decoded, speech_type);
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}
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bool AudioDecoder::HasDecodePlc() const { return false; }
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int AudioDecoder::DecodePlc(int num_frames, int16_t* decoded) { return -1; }
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int AudioDecoder::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) {
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return 0;
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}
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int AudioDecoder::ErrorCode() { return 0; }
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int AudioDecoder::PacketDuration(const uint8_t* encoded, size_t encoded_len) {
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return kNotImplemented;
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}
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int AudioDecoder::PacketDurationRedundant(const uint8_t* encoded,
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size_t encoded_len) const {
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return kNotImplemented;
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}
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bool AudioDecoder::PacketHasFec(const uint8_t* encoded,
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size_t encoded_len) const {
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return false;
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}
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NetEqDecoder AudioDecoder::codec_type() const { return codec_type_; }
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bool AudioDecoder::CodecSupported(NetEqDecoder codec_type) {
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switch (codec_type) {
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case kDecoderPCMu:
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case kDecoderPCMa:
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case kDecoderPCMu_2ch:
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case kDecoderPCMa_2ch:
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#ifdef WEBRTC_CODEC_ILBC
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case kDecoderILBC:
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#endif
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#if defined(WEBRTC_CODEC_ISACFX) || defined(WEBRTC_CODEC_ISAC)
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case kDecoderISAC:
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#endif
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#ifdef WEBRTC_CODEC_ISAC
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case kDecoderISACswb:
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case kDecoderISACfb:
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#endif
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#ifdef WEBRTC_CODEC_PCM16
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case kDecoderPCM16B:
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case kDecoderPCM16Bwb:
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case kDecoderPCM16Bswb32kHz:
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case kDecoderPCM16Bswb48kHz:
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case kDecoderPCM16B_2ch:
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case kDecoderPCM16Bwb_2ch:
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case kDecoderPCM16Bswb32kHz_2ch:
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case kDecoderPCM16Bswb48kHz_2ch:
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case kDecoderPCM16B_5ch:
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#endif
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#ifdef WEBRTC_CODEC_G722
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case kDecoderG722:
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case kDecoderG722_2ch:
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#endif
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#ifdef WEBRTC_CODEC_CELT
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case kDecoderCELT_32:
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case kDecoderCELT_32_2ch:
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#endif
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#ifdef WEBRTC_CODEC_OPUS
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case kDecoderOpus:
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case kDecoderOpus_2ch:
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#endif
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case kDecoderRED:
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case kDecoderAVT:
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case kDecoderCNGnb:
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case kDecoderCNGwb:
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case kDecoderCNGswb32kHz:
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case kDecoderCNGswb48kHz:
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case kDecoderArbitrary: {
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return true;
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}
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default: {
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return false;
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}
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}
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}
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int AudioDecoder::CodecSampleRateHz(NetEqDecoder codec_type) {
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switch (codec_type) {
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case kDecoderPCMu:
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case kDecoderPCMa:
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case kDecoderPCMu_2ch:
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case kDecoderPCMa_2ch:
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#ifdef WEBRTC_CODEC_ILBC
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case kDecoderILBC:
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#endif
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#ifdef WEBRTC_CODEC_PCM16
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case kDecoderPCM16B:
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case kDecoderPCM16B_2ch:
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case kDecoderPCM16B_5ch:
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#endif
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case kDecoderCNGnb: {
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return 8000;
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}
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#if defined(WEBRTC_CODEC_ISACFX) || defined(WEBRTC_CODEC_ISAC)
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case kDecoderISAC:
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#endif
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#ifdef WEBRTC_CODEC_PCM16
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case kDecoderPCM16Bwb:
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case kDecoderPCM16Bwb_2ch:
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#endif
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#ifdef WEBRTC_CODEC_G722
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case kDecoderG722:
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case kDecoderG722_2ch:
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#endif
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case kDecoderCNGwb: {
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return 16000;
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}
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#ifdef WEBRTC_CODEC_ISAC
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case kDecoderISACswb:
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case kDecoderISACfb:
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#endif
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#ifdef WEBRTC_CODEC_PCM16
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case kDecoderPCM16Bswb32kHz:
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case kDecoderPCM16Bswb32kHz_2ch:
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#endif
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#ifdef WEBRTC_CODEC_CELT
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case kDecoderCELT_32:
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case kDecoderCELT_32_2ch:
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#endif
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case kDecoderCNGswb32kHz: {
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return 32000;
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}
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#ifdef WEBRTC_CODEC_PCM16
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case kDecoderPCM16Bswb48kHz:
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case kDecoderPCM16Bswb48kHz_2ch: {
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return 48000;
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}
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#endif
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#ifdef WEBRTC_CODEC_OPUS
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case kDecoderOpus:
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case kDecoderOpus_2ch: {
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return 48000;
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}
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#endif
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case kDecoderCNGswb48kHz: {
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// TODO(tlegrand): Remove limitation once ACM has full 48 kHz support.
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return 32000;
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}
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default: {
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return -1; // Undefined sample rate.
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}
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}
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}
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AudioDecoder* AudioDecoder::CreateAudioDecoder(NetEqDecoder codec_type) {
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if (!CodecSupported(codec_type)) {
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return NULL;
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}
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switch (codec_type) {
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case kDecoderPCMu:
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return new AudioDecoderPcmU;
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case kDecoderPCMa:
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return new AudioDecoderPcmA;
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case kDecoderPCMu_2ch:
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return new AudioDecoderPcmUMultiCh(2);
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case kDecoderPCMa_2ch:
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return new AudioDecoderPcmAMultiCh(2);
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#ifdef WEBRTC_CODEC_ILBC
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case kDecoderILBC:
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return new AudioDecoderIlbc;
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#endif
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#if defined(WEBRTC_CODEC_ISACFX)
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case kDecoderISAC:
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return new AudioDecoderIsacFix;
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#elif defined(WEBRTC_CODEC_ISAC)
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case kDecoderISAC:
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return new AudioDecoderIsac;
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#endif
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#ifdef WEBRTC_CODEC_ISAC
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case kDecoderISACswb:
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return new AudioDecoderIsacSwb;
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case kDecoderISACfb:
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return new AudioDecoderIsacFb;
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#endif
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#ifdef WEBRTC_CODEC_PCM16
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case kDecoderPCM16B:
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case kDecoderPCM16Bwb:
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case kDecoderPCM16Bswb32kHz:
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case kDecoderPCM16Bswb48kHz:
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return new AudioDecoderPcm16B(codec_type);
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case kDecoderPCM16B_2ch:
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case kDecoderPCM16Bwb_2ch:
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case kDecoderPCM16Bswb32kHz_2ch:
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case kDecoderPCM16Bswb48kHz_2ch:
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case kDecoderPCM16B_5ch:
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return new AudioDecoderPcm16BMultiCh(codec_type);
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#endif
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#ifdef WEBRTC_CODEC_G722
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case kDecoderG722:
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return new AudioDecoderG722;
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case kDecoderG722_2ch:
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return new AudioDecoderG722Stereo;
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#endif
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#ifdef WEBRTC_CODEC_CELT
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case kDecoderCELT_32:
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case kDecoderCELT_32_2ch:
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return new AudioDecoderCelt(codec_type);
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#endif
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#ifdef WEBRTC_CODEC_OPUS
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case kDecoderOpus:
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case kDecoderOpus_2ch:
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return new AudioDecoderOpus(codec_type);
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#endif
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case kDecoderCNGnb:
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case kDecoderCNGwb:
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case kDecoderCNGswb32kHz:
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case kDecoderCNGswb48kHz:
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return new AudioDecoderCng(codec_type);
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case kDecoderRED:
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case kDecoderAVT:
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case kDecoderArbitrary:
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default: {
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return NULL;
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}
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}
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}
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AudioDecoder::SpeechType AudioDecoder::ConvertSpeechType(int16_t type) {
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switch (type) {
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case 0: // TODO(hlundin): Both iSAC and Opus return 0 for speech.
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case 1:
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return kSpeech;
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case 2:
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return kComfortNoise;
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default:
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assert(false);
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return kSpeech;
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}
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}
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} // namespace webrtc
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