/*
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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/audio_decoder_impl.h"
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#include <assert.h>
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#include "webrtc/base/checks.h"
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#include "webrtc/modules/audio_coding/codecs/cng/webrtc_cng.h"
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#include "webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h"
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#ifdef WEBRTC_CODEC_G722
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#include "webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h"
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#endif
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#ifdef WEBRTC_CODEC_ILBC
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#include "webrtc/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h"
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#endif
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#ifdef WEBRTC_CODEC_ISACFX
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#include "webrtc/modules/audio_coding/codecs/isac/fix/include/audio_decoder_isacfix.h"
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#include "webrtc/modules/audio_coding/codecs/isac/fix/include/audio_encoder_isacfix.h"
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#endif
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#ifdef WEBRTC_CODEC_ISAC
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#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_decoder_isac.h"
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#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h"
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#endif
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#ifdef WEBRTC_CODEC_OPUS
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#include "webrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.h"
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#endif
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#include "webrtc/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h"
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namespace webrtc {
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AudioDecoderCng::AudioDecoderCng() {
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RTC_CHECK_EQ(0, WebRtcCng_CreateDec(&dec_state_));
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WebRtcCng_InitDec(dec_state_);
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}
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AudioDecoderCng::~AudioDecoderCng() {
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WebRtcCng_FreeDec(dec_state_);
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}
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void AudioDecoderCng::Reset() {
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WebRtcCng_InitDec(dec_state_);
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}
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int AudioDecoderCng::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 -1;
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}
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CNG_dec_inst* AudioDecoderCng::CngDecoderInstance() {
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return dec_state_;
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}
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size_t AudioDecoderCng::Channels() const {
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return 1;
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}
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int AudioDecoderCng::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) {
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return -1;
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}
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bool CodecSupported(NetEqDecoder codec_type) {
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switch (codec_type) {
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case NetEqDecoder::kDecoderPCMu:
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case NetEqDecoder::kDecoderPCMa:
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case NetEqDecoder::kDecoderPCMu_2ch:
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case NetEqDecoder::kDecoderPCMa_2ch:
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#ifdef WEBRTC_CODEC_ILBC
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case NetEqDecoder::kDecoderILBC:
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#endif
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#if defined(WEBRTC_CODEC_ISACFX) || defined(WEBRTC_CODEC_ISAC)
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case NetEqDecoder::kDecoderISAC:
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#endif
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#ifdef WEBRTC_CODEC_ISAC
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case NetEqDecoder::kDecoderISACswb:
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#endif
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case NetEqDecoder::kDecoderPCM16B:
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case NetEqDecoder::kDecoderPCM16Bwb:
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case NetEqDecoder::kDecoderPCM16Bswb32kHz:
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case NetEqDecoder::kDecoderPCM16Bswb48kHz:
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case NetEqDecoder::kDecoderPCM16B_2ch:
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case NetEqDecoder::kDecoderPCM16Bwb_2ch:
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case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
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case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch:
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case NetEqDecoder::kDecoderPCM16B_5ch:
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#ifdef WEBRTC_CODEC_G722
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case NetEqDecoder::kDecoderG722:
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case NetEqDecoder::kDecoderG722_2ch:
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#endif
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#ifdef WEBRTC_CODEC_OPUS
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case NetEqDecoder::kDecoderOpus:
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case NetEqDecoder::kDecoderOpus_2ch:
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#endif
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case NetEqDecoder::kDecoderRED:
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case NetEqDecoder::kDecoderAVT:
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case NetEqDecoder::kDecoderCNGnb:
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case NetEqDecoder::kDecoderCNGwb:
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case NetEqDecoder::kDecoderCNGswb32kHz:
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case NetEqDecoder::kDecoderCNGswb48kHz:
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case NetEqDecoder::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 CodecSampleRateHz(NetEqDecoder codec_type) {
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switch (codec_type) {
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case NetEqDecoder::kDecoderPCMu:
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case NetEqDecoder::kDecoderPCMa:
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case NetEqDecoder::kDecoderPCMu_2ch:
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case NetEqDecoder::kDecoderPCMa_2ch:
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#ifdef WEBRTC_CODEC_ILBC
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case NetEqDecoder::kDecoderILBC:
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#endif
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case NetEqDecoder::kDecoderPCM16B:
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case NetEqDecoder::kDecoderPCM16B_2ch:
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case NetEqDecoder::kDecoderPCM16B_5ch:
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case NetEqDecoder::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 NetEqDecoder::kDecoderISAC:
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#endif
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case NetEqDecoder::kDecoderPCM16Bwb:
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case NetEqDecoder::kDecoderPCM16Bwb_2ch:
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#ifdef WEBRTC_CODEC_G722
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case NetEqDecoder::kDecoderG722:
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case NetEqDecoder::kDecoderG722_2ch:
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#endif
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case NetEqDecoder::kDecoderCNGwb: {
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return 16000;
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}
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#ifdef WEBRTC_CODEC_ISAC
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case NetEqDecoder::kDecoderISACswb:
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#endif
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case NetEqDecoder::kDecoderPCM16Bswb32kHz:
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case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
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case NetEqDecoder::kDecoderCNGswb32kHz: {
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return 32000;
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}
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case NetEqDecoder::kDecoderPCM16Bswb48kHz:
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case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch: {
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return 48000;
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}
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#ifdef WEBRTC_CODEC_OPUS
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case NetEqDecoder::kDecoderOpus:
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case NetEqDecoder::kDecoderOpus_2ch: {
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return 48000;
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}
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#endif
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case NetEqDecoder::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* 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 NetEqDecoder::kDecoderPCMu:
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return new AudioDecoderPcmU(1);
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case NetEqDecoder::kDecoderPCMa:
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return new AudioDecoderPcmA(1);
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case NetEqDecoder::kDecoderPCMu_2ch:
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return new AudioDecoderPcmU(2);
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case NetEqDecoder::kDecoderPCMa_2ch:
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return new AudioDecoderPcmA(2);
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#ifdef WEBRTC_CODEC_ILBC
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case NetEqDecoder::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 NetEqDecoder::kDecoderISAC:
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return new AudioDecoderIsacFix();
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#elif defined(WEBRTC_CODEC_ISAC)
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case NetEqDecoder::kDecoderISAC:
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case NetEqDecoder::kDecoderISACswb:
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return new AudioDecoderIsac();
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#endif
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case NetEqDecoder::kDecoderPCM16B:
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case NetEqDecoder::kDecoderPCM16Bwb:
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case NetEqDecoder::kDecoderPCM16Bswb32kHz:
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case NetEqDecoder::kDecoderPCM16Bswb48kHz:
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return new AudioDecoderPcm16B(1);
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case NetEqDecoder::kDecoderPCM16B_2ch:
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case NetEqDecoder::kDecoderPCM16Bwb_2ch:
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case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
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case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch:
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return new AudioDecoderPcm16B(2);
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case NetEqDecoder::kDecoderPCM16B_5ch:
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return new AudioDecoderPcm16B(5);
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#ifdef WEBRTC_CODEC_G722
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case NetEqDecoder::kDecoderG722:
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return new AudioDecoderG722;
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case NetEqDecoder::kDecoderG722_2ch:
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return new AudioDecoderG722Stereo;
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#endif
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#ifdef WEBRTC_CODEC_OPUS
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case NetEqDecoder::kDecoderOpus:
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return new AudioDecoderOpus(1);
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case NetEqDecoder::kDecoderOpus_2ch:
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return new AudioDecoderOpus(2);
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#endif
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case NetEqDecoder::kDecoderCNGnb:
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case NetEqDecoder::kDecoderCNGwb:
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case NetEqDecoder::kDecoderCNGswb32kHz:
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case NetEqDecoder::kDecoderCNGswb48kHz:
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return new AudioDecoderCng;
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case NetEqDecoder::kDecoderRED:
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case NetEqDecoder::kDecoderAVT:
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case NetEqDecoder::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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} // namespace webrtc
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