blob: d800cc7dbe939b48dcb429b2b47622be29132963 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/*
* 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.
*/
#include "webrtc/modules/audio_coding/neteq/audio_decoder_impl.h"
#include <assert.h>
#include "webrtc/base/checks.h"
#include "webrtc/modules/audio_coding/codecs/cng/webrtc_cng.h"
#include "webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h"
#ifdef WEBRTC_CODEC_G722
#include "webrtc/modules/audio_coding/codecs/g722/audio_decoder_g722.h"
#endif
#ifdef WEBRTC_CODEC_ILBC
#include "webrtc/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h"
#endif
#ifdef WEBRTC_CODEC_ISACFX
#include "webrtc/modules/audio_coding/codecs/isac/fix/include/audio_decoder_isacfix.h"
#include "webrtc/modules/audio_coding/codecs/isac/fix/include/audio_encoder_isacfix.h"
#endif
#ifdef WEBRTC_CODEC_ISAC
#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_decoder_isac.h"
#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h"
#endif
#ifdef WEBRTC_CODEC_OPUS
#include "webrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.h"
#endif
#include "webrtc/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h"
namespace webrtc {
AudioDecoderCng::AudioDecoderCng() {
RTC_CHECK_EQ(0, WebRtcCng_CreateDec(&dec_state_));
WebRtcCng_InitDec(dec_state_);
}
AudioDecoderCng::~AudioDecoderCng() {
WebRtcCng_FreeDec(dec_state_);
}
void AudioDecoderCng::Reset() {
WebRtcCng_InitDec(dec_state_);
}
int AudioDecoderCng::IncomingPacket(const uint8_t* payload,
size_t payload_len,
uint16_t rtp_sequence_number,
uint32_t rtp_timestamp,
uint32_t arrival_timestamp) {
return -1;
}
CNG_dec_inst* AudioDecoderCng::CngDecoderInstance() {
return dec_state_;
}
size_t AudioDecoderCng::Channels() const {
return 1;
}
int AudioDecoderCng::DecodeInternal(const uint8_t* encoded,
size_t encoded_len,
int sample_rate_hz,
int16_t* decoded,
SpeechType* speech_type) {
return -1;
}
bool CodecSupported(NetEqDecoder codec_type) {
switch (codec_type) {
case NetEqDecoder::kDecoderPCMu:
case NetEqDecoder::kDecoderPCMa:
case NetEqDecoder::kDecoderPCMu_2ch:
case NetEqDecoder::kDecoderPCMa_2ch:
#ifdef WEBRTC_CODEC_ILBC
case NetEqDecoder::kDecoderILBC:
#endif
#if defined(WEBRTC_CODEC_ISACFX) || defined(WEBRTC_CODEC_ISAC)
case NetEqDecoder::kDecoderISAC:
#endif
#ifdef WEBRTC_CODEC_ISAC
case NetEqDecoder::kDecoderISACswb:
#endif
case NetEqDecoder::kDecoderPCM16B:
case NetEqDecoder::kDecoderPCM16Bwb:
case NetEqDecoder::kDecoderPCM16Bswb32kHz:
case NetEqDecoder::kDecoderPCM16Bswb48kHz:
case NetEqDecoder::kDecoderPCM16B_2ch:
case NetEqDecoder::kDecoderPCM16Bwb_2ch:
case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch:
case NetEqDecoder::kDecoderPCM16B_5ch:
#ifdef WEBRTC_CODEC_G722
case NetEqDecoder::kDecoderG722:
case NetEqDecoder::kDecoderG722_2ch:
#endif
#ifdef WEBRTC_CODEC_OPUS
case NetEqDecoder::kDecoderOpus:
case NetEqDecoder::kDecoderOpus_2ch:
#endif
case NetEqDecoder::kDecoderRED:
case NetEqDecoder::kDecoderAVT:
case NetEqDecoder::kDecoderCNGnb:
case NetEqDecoder::kDecoderCNGwb:
case NetEqDecoder::kDecoderCNGswb32kHz:
case NetEqDecoder::kDecoderCNGswb48kHz:
case NetEqDecoder::kDecoderArbitrary: {
return true;
}
default: {
return false;
}
}
}
int CodecSampleRateHz(NetEqDecoder codec_type) {
switch (codec_type) {
case NetEqDecoder::kDecoderPCMu:
case NetEqDecoder::kDecoderPCMa:
case NetEqDecoder::kDecoderPCMu_2ch:
case NetEqDecoder::kDecoderPCMa_2ch:
#ifdef WEBRTC_CODEC_ILBC
case NetEqDecoder::kDecoderILBC:
#endif
case NetEqDecoder::kDecoderPCM16B:
case NetEqDecoder::kDecoderPCM16B_2ch:
case NetEqDecoder::kDecoderPCM16B_5ch:
case NetEqDecoder::kDecoderCNGnb: {
return 8000;
}
#if defined(WEBRTC_CODEC_ISACFX) || defined(WEBRTC_CODEC_ISAC)
case NetEqDecoder::kDecoderISAC:
#endif
case NetEqDecoder::kDecoderPCM16Bwb:
case NetEqDecoder::kDecoderPCM16Bwb_2ch:
#ifdef WEBRTC_CODEC_G722
case NetEqDecoder::kDecoderG722:
case NetEqDecoder::kDecoderG722_2ch:
#endif
case NetEqDecoder::kDecoderCNGwb: {
return 16000;
}
#ifdef WEBRTC_CODEC_ISAC
case NetEqDecoder::kDecoderISACswb:
#endif
case NetEqDecoder::kDecoderPCM16Bswb32kHz:
case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
case NetEqDecoder::kDecoderCNGswb32kHz: {
return 32000;
}
case NetEqDecoder::kDecoderPCM16Bswb48kHz:
case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch: {
return 48000;
}
#ifdef WEBRTC_CODEC_OPUS
case NetEqDecoder::kDecoderOpus:
case NetEqDecoder::kDecoderOpus_2ch: {
return 48000;
}
#endif
case NetEqDecoder::kDecoderCNGswb48kHz: {
// TODO(tlegrand): Remove limitation once ACM has full 48 kHz support.
return 32000;
}
default: {
return -1; // Undefined sample rate.
}
}
}
AudioDecoder* CreateAudioDecoder(NetEqDecoder codec_type) {
if (!CodecSupported(codec_type)) {
return NULL;
}
switch (codec_type) {
case NetEqDecoder::kDecoderPCMu:
return new AudioDecoderPcmU(1);
case NetEqDecoder::kDecoderPCMa:
return new AudioDecoderPcmA(1);
case NetEqDecoder::kDecoderPCMu_2ch:
return new AudioDecoderPcmU(2);
case NetEqDecoder::kDecoderPCMa_2ch:
return new AudioDecoderPcmA(2);
#ifdef WEBRTC_CODEC_ILBC
case NetEqDecoder::kDecoderILBC:
return new AudioDecoderIlbc;
#endif
#if defined(WEBRTC_CODEC_ISACFX)
case NetEqDecoder::kDecoderISAC:
return new AudioDecoderIsacFix();
#elif defined(WEBRTC_CODEC_ISAC)
case NetEqDecoder::kDecoderISAC:
case NetEqDecoder::kDecoderISACswb:
return new AudioDecoderIsac();
#endif
case NetEqDecoder::kDecoderPCM16B:
case NetEqDecoder::kDecoderPCM16Bwb:
case NetEqDecoder::kDecoderPCM16Bswb32kHz:
case NetEqDecoder::kDecoderPCM16Bswb48kHz:
return new AudioDecoderPcm16B(1);
case NetEqDecoder::kDecoderPCM16B_2ch:
case NetEqDecoder::kDecoderPCM16Bwb_2ch:
case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch:
case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch:
return new AudioDecoderPcm16B(2);
case NetEqDecoder::kDecoderPCM16B_5ch:
return new AudioDecoderPcm16B(5);
#ifdef WEBRTC_CODEC_G722
case NetEqDecoder::kDecoderG722:
return new AudioDecoderG722;
case NetEqDecoder::kDecoderG722_2ch:
return new AudioDecoderG722Stereo;
#endif
#ifdef WEBRTC_CODEC_OPUS
case NetEqDecoder::kDecoderOpus:
return new AudioDecoderOpus(1);
case NetEqDecoder::kDecoderOpus_2ch:
return new AudioDecoderOpus(2);
#endif
case NetEqDecoder::kDecoderCNGnb:
case NetEqDecoder::kDecoderCNGwb:
case NetEqDecoder::kDecoderCNGswb32kHz:
case NetEqDecoder::kDecoderCNGswb48kHz:
return new AudioDecoderCng;
case NetEqDecoder::kDecoderRED:
case NetEqDecoder::kDecoderAVT:
case NetEqDecoder::kDecoderArbitrary:
default: {
return NULL;
}
}
}
} // namespace webrtc
|
