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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/modules/audio_coding/neteq/audio_decoder_impl.h" | 11 #include "webrtc/modules/audio_coding/neteq/audio_decoder_impl.h" |
12 | 12 |
13 #include <assert.h> | 13 #include <assert.h> |
14 | 14 |
15 #include "webrtc/base/checks.h" | 15 #include "webrtc/base/checks.h" |
16 #include "webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h" | 16 #include "webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h" |
17 #include "webrtc/modules/audio_coding/codecs/g711/include/g711_interface.h" | 17 #include "webrtc/modules/audio_coding/codecs/g711/include/audio_decoder_pcm.h" |
18 #ifdef WEBRTC_CODEC_G722 | 18 #ifdef WEBRTC_CODEC_G722 |
19 #include "webrtc/modules/audio_coding/codecs/g722/include/audio_decoder_g722.h" | 19 #include "webrtc/modules/audio_coding/codecs/g722/include/audio_decoder_g722.h" |
20 #endif | 20 #endif |
21 #ifdef WEBRTC_CODEC_ILBC | 21 #ifdef WEBRTC_CODEC_ILBC |
22 #include "webrtc/modules/audio_coding/codecs/ilbc/interface/audio_decoder_ilbc.h
" | 22 #include "webrtc/modules/audio_coding/codecs/ilbc/interface/audio_decoder_ilbc.h
" |
23 #endif | 23 #endif |
24 #ifdef WEBRTC_CODEC_ISACFX | 24 #ifdef WEBRTC_CODEC_ISACFX |
25 #include "webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_is
acfix.h" | 25 #include "webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_is
acfix.h" |
26 #endif | 26 #endif |
27 #ifdef WEBRTC_CODEC_ISAC | 27 #ifdef WEBRTC_CODEC_ISAC |
28 #include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_i
sac.h" | 28 #include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_i
sac.h" |
29 #endif | 29 #endif |
30 #ifdef WEBRTC_CODEC_OPUS | 30 #ifdef WEBRTC_CODEC_OPUS |
31 #include "webrtc/modules/audio_coding/codecs/opus/interface/audio_decoder_opus.h
" | 31 #include "webrtc/modules/audio_coding/codecs/opus/interface/audio_decoder_opus.h
" |
32 #endif | 32 #endif |
33 #include "webrtc/modules/audio_coding/codecs/pcm16b/include/audio_decoder_pcm16b
.h" | 33 #include "webrtc/modules/audio_coding/codecs/pcm16b/include/audio_decoder_pcm16b
.h" |
34 | 34 |
35 namespace webrtc { | 35 namespace webrtc { |
36 | 36 |
37 // PCMu | |
38 | |
39 void AudioDecoderPcmU::Reset() { | |
40 } | |
41 size_t AudioDecoderPcmU::Channels() const { | |
42 return 1; | |
43 } | |
44 | |
45 int AudioDecoderPcmU::DecodeInternal(const uint8_t* encoded, | |
46 size_t encoded_len, | |
47 int sample_rate_hz, | |
48 int16_t* decoded, | |
49 SpeechType* speech_type) { | |
50 RTC_DCHECK_EQ(sample_rate_hz, 8000); | |
51 int16_t temp_type = 1; // Default is speech. | |
52 size_t ret = WebRtcG711_DecodeU(encoded, encoded_len, decoded, &temp_type); | |
53 *speech_type = ConvertSpeechType(temp_type); | |
54 return static_cast<int>(ret); | |
55 } | |
56 | |
57 int AudioDecoderPcmU::PacketDuration(const uint8_t* encoded, | |
58 size_t encoded_len) const { | |
59 // One encoded byte per sample per channel. | |
60 return static_cast<int>(encoded_len / Channels()); | |
61 } | |
62 | |
63 size_t AudioDecoderPcmUMultiCh::Channels() const { | |
64 return channels_; | |
65 } | |
66 | |
67 // PCMa | |
68 | |
69 void AudioDecoderPcmA::Reset() { | |
70 } | |
71 size_t AudioDecoderPcmA::Channels() const { | |
72 return 1; | |
73 } | |
74 | |
75 int AudioDecoderPcmA::DecodeInternal(const uint8_t* encoded, | |
76 size_t encoded_len, | |
77 int sample_rate_hz, | |
78 int16_t* decoded, | |
79 SpeechType* speech_type) { | |
80 RTC_DCHECK_EQ(sample_rate_hz, 8000); | |
81 int16_t temp_type = 1; // Default is speech. | |
82 size_t ret = WebRtcG711_DecodeA(encoded, encoded_len, decoded, &temp_type); | |
83 *speech_type = ConvertSpeechType(temp_type); | |
84 return static_cast<int>(ret); | |
85 } | |
86 | |
87 int AudioDecoderPcmA::PacketDuration(const uint8_t* encoded, | |
88 size_t encoded_len) const { | |
89 // One encoded byte per sample per channel. | |
90 return static_cast<int>(encoded_len / Channels()); | |
91 } | |
92 | |
93 size_t AudioDecoderPcmAMultiCh::Channels() const { | |
94 return channels_; | |
95 } | |
96 | |
97 AudioDecoderCng::AudioDecoderCng() { | 37 AudioDecoderCng::AudioDecoderCng() { |
98 RTC_CHECK_EQ(0, WebRtcCng_CreateDec(&dec_state_)); | 38 RTC_CHECK_EQ(0, WebRtcCng_CreateDec(&dec_state_)); |
99 WebRtcCng_InitDec(dec_state_); | 39 WebRtcCng_InitDec(dec_state_); |
100 } | 40 } |
101 | 41 |
102 AudioDecoderCng::~AudioDecoderCng() { | 42 AudioDecoderCng::~AudioDecoderCng() { |
103 WebRtcCng_FreeDec(dec_state_); | 43 WebRtcCng_FreeDec(dec_state_); |
104 } | 44 } |
105 | 45 |
106 void AudioDecoderCng::Reset() { | 46 void AudioDecoderCng::Reset() { |
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293 case kDecoderRED: | 233 case kDecoderRED: |
294 case kDecoderAVT: | 234 case kDecoderAVT: |
295 case kDecoderArbitrary: | 235 case kDecoderArbitrary: |
296 default: { | 236 default: { |
297 return NULL; | 237 return NULL; |
298 } | 238 } |
299 } | 239 } |
300 } | 240 } |
301 | 241 |
302 } // namespace webrtc | 242 } // namespace webrtc |
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