OLD | NEW |
1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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/codecs/pcm16b/audio_decoder_pcm16b.h" | 11 #include "webrtc/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h" |
12 | 12 |
13 #include "webrtc/base/checks.h" | 13 #include "webrtc/base/checks.h" |
| 14 #include "webrtc/modules/audio_coding/codecs/legacy_encoded_audio_frame.h" |
14 #include "webrtc/modules/audio_coding/codecs/pcm16b/pcm16b.h" | 15 #include "webrtc/modules/audio_coding/codecs/pcm16b/pcm16b.h" |
15 | 16 |
16 namespace webrtc { | 17 namespace webrtc { |
17 | 18 |
18 AudioDecoderPcm16B::AudioDecoderPcm16B(int sample_rate_hz, size_t num_channels) | 19 AudioDecoderPcm16B::AudioDecoderPcm16B(int sample_rate_hz, size_t num_channels) |
19 : sample_rate_hz_(sample_rate_hz), num_channels_(num_channels) { | 20 : sample_rate_hz_(sample_rate_hz), num_channels_(num_channels) { |
20 RTC_DCHECK(sample_rate_hz == 8000 || sample_rate_hz == 16000 || | 21 RTC_DCHECK(sample_rate_hz == 8000 || sample_rate_hz == 16000 || |
21 sample_rate_hz == 32000 || sample_rate_hz == 48000) | 22 sample_rate_hz == 32000 || sample_rate_hz == 48000) |
22 << "Unsupported sample rate " << sample_rate_hz; | 23 << "Unsupported sample rate " << sample_rate_hz; |
23 RTC_DCHECK_GE(num_channels, 1u); | 24 RTC_DCHECK_GE(num_channels, 1u); |
(...skipping 13 matching lines...) Expand all Loading... |
37 size_t encoded_len, | 38 size_t encoded_len, |
38 int sample_rate_hz, | 39 int sample_rate_hz, |
39 int16_t* decoded, | 40 int16_t* decoded, |
40 SpeechType* speech_type) { | 41 SpeechType* speech_type) { |
41 RTC_DCHECK_EQ(sample_rate_hz_, sample_rate_hz); | 42 RTC_DCHECK_EQ(sample_rate_hz_, sample_rate_hz); |
42 size_t ret = WebRtcPcm16b_Decode(encoded, encoded_len, decoded); | 43 size_t ret = WebRtcPcm16b_Decode(encoded, encoded_len, decoded); |
43 *speech_type = ConvertSpeechType(1); | 44 *speech_type = ConvertSpeechType(1); |
44 return static_cast<int>(ret); | 45 return static_cast<int>(ret); |
45 } | 46 } |
46 | 47 |
| 48 std::vector<AudioDecoder::ParseResult> AudioDecoderPcm16B::ParsePayload( |
| 49 rtc::Buffer&& payload, |
| 50 uint32_t timestamp, |
| 51 bool is_primary) { |
| 52 const int samples_per_ms = rtc::CheckedDivExact(sample_rate_hz_, 1000); |
| 53 return LegacyEncodedAudioFrame::SplitBySamples( |
| 54 this, std::move(payload), timestamp, is_primary, |
| 55 samples_per_ms * 2 * num_channels_, samples_per_ms); |
| 56 } |
| 57 |
47 int AudioDecoderPcm16B::PacketDuration(const uint8_t* encoded, | 58 int AudioDecoderPcm16B::PacketDuration(const uint8_t* encoded, |
48 size_t encoded_len) const { | 59 size_t encoded_len) const { |
49 // Two encoded byte per sample per channel. | 60 // Two encoded byte per sample per channel. |
50 return static_cast<int>(encoded_len / (2 * Channels())); | 61 return static_cast<int>(encoded_len / (2 * Channels())); |
51 } | 62 } |
52 | 63 |
53 } // namespace webrtc | 64 } // namespace webrtc |
OLD | NEW |