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| 1 /* | 1 /* |
| 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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/red/audio_encoder_copy_red.h" | 11 #include "webrtc/modules/audio_coding/codecs/red/audio_encoder_copy_red.h" |
| 12 | 12 |
| 13 #include <string.h> | 13 #include <string.h> |
| 14 | 14 |
| 15 #include "webrtc/base/checks.h" | 15 #include "webrtc/base/checks.h" |
| 16 | 16 |
| 17 namespace webrtc { | 17 namespace webrtc { |
| 18 | 18 |
| 19 AudioEncoderCopyRed::AudioEncoderCopyRed(const Config& config) | 19 AudioEncoderCopyRed::AudioEncoderCopyRed(const Config& config) |
| 20 : speech_encoder_(config.speech_encoder), | 20 : speech_encoder_(config.speech_encoder), |
| 21 red_payload_type_(config.payload_type) { | 21 red_payload_type_(config.payload_type) { |
| 22 CHECK(speech_encoder_) << "Speech encoder not provided."; | 22 RTC_CHECK(speech_encoder_) << "Speech encoder not provided."; |
| 23 } | 23 } |
| 24 | 24 |
| 25 AudioEncoderCopyRed::~AudioEncoderCopyRed() = default; | 25 AudioEncoderCopyRed::~AudioEncoderCopyRed() = default; |
| 26 | 26 |
| 27 size_t AudioEncoderCopyRed::MaxEncodedBytes() const { | 27 size_t AudioEncoderCopyRed::MaxEncodedBytes() const { |
| 28 return 2 * speech_encoder_->MaxEncodedBytes(); | 28 return 2 * speech_encoder_->MaxEncodedBytes(); |
| 29 } | 29 } |
| 30 | 30 |
| 31 int AudioEncoderCopyRed::SampleRateHz() const { | 31 int AudioEncoderCopyRed::SampleRateHz() const { |
| 32 return speech_encoder_->SampleRateHz(); | 32 return speech_encoder_->SampleRateHz(); |
| (...skipping 20 matching lines...) Expand all Loading... |
| 53 } | 53 } |
| 54 | 54 |
| 55 AudioEncoder::EncodedInfo AudioEncoderCopyRed::EncodeInternal( | 55 AudioEncoder::EncodedInfo AudioEncoderCopyRed::EncodeInternal( |
| 56 uint32_t rtp_timestamp, | 56 uint32_t rtp_timestamp, |
| 57 const int16_t* audio, | 57 const int16_t* audio, |
| 58 size_t max_encoded_bytes, | 58 size_t max_encoded_bytes, |
| 59 uint8_t* encoded) { | 59 uint8_t* encoded) { |
| 60 EncodedInfo info = speech_encoder_->Encode( | 60 EncodedInfo info = speech_encoder_->Encode( |
| 61 rtp_timestamp, audio, static_cast<size_t>(SampleRateHz() / 100), | 61 rtp_timestamp, audio, static_cast<size_t>(SampleRateHz() / 100), |
| 62 max_encoded_bytes, encoded); | 62 max_encoded_bytes, encoded); |
| 63 CHECK_GE(max_encoded_bytes, | 63 RTC_CHECK_GE(max_encoded_bytes, |
| 64 info.encoded_bytes + secondary_info_.encoded_bytes); | 64 info.encoded_bytes + secondary_info_.encoded_bytes); |
| 65 CHECK(info.redundant.empty()) << "Cannot use nested redundant encoders."; | 65 RTC_CHECK(info.redundant.empty()) << "Cannot use nested redundant encoders."; |
| 66 | 66 |
| 67 if (info.encoded_bytes > 0) { | 67 if (info.encoded_bytes > 0) { |
| 68 // |info| will be implicitly cast to an EncodedInfoLeaf struct, effectively | 68 // |info| will be implicitly cast to an EncodedInfoLeaf struct, effectively |
| 69 // discarding the (empty) vector of redundant information. This is | 69 // discarding the (empty) vector of redundant information. This is |
| 70 // intentional. | 70 // intentional. |
| 71 info.redundant.push_back(info); | 71 info.redundant.push_back(info); |
| 72 DCHECK_EQ(info.redundant.size(), 1u); | 72 RTC_DCHECK_EQ(info.redundant.size(), 1u); |
| 73 if (secondary_info_.encoded_bytes > 0) { | 73 if (secondary_info_.encoded_bytes > 0) { |
| 74 memcpy(&encoded[info.encoded_bytes], secondary_encoded_.data(), | 74 memcpy(&encoded[info.encoded_bytes], secondary_encoded_.data(), |
| 75 secondary_info_.encoded_bytes); | 75 secondary_info_.encoded_bytes); |
| 76 info.redundant.push_back(secondary_info_); | 76 info.redundant.push_back(secondary_info_); |
| 77 DCHECK_EQ(info.redundant.size(), 2u); | 77 RTC_DCHECK_EQ(info.redundant.size(), 2u); |
| 78 } | 78 } |
| 79 // Save primary to secondary. | 79 // Save primary to secondary. |
| 80 secondary_encoded_.SetData(encoded, info.encoded_bytes); | 80 secondary_encoded_.SetData(encoded, info.encoded_bytes); |
| 81 secondary_info_ = info; | 81 secondary_info_ = info; |
| 82 DCHECK_EQ(info.speech, info.redundant[0].speech); | 82 RTC_DCHECK_EQ(info.speech, info.redundant[0].speech); |
| 83 } | 83 } |
| 84 // Update main EncodedInfo. | 84 // Update main EncodedInfo. |
| 85 info.payload_type = red_payload_type_; | 85 info.payload_type = red_payload_type_; |
| 86 info.encoded_bytes = 0; | 86 info.encoded_bytes = 0; |
| 87 for (std::vector<EncodedInfoLeaf>::const_iterator it = info.redundant.begin(); | 87 for (std::vector<EncodedInfoLeaf>::const_iterator it = info.redundant.begin(); |
| 88 it != info.redundant.end(); ++it) { | 88 it != info.redundant.end(); ++it) { |
| 89 info.encoded_bytes += it->encoded_bytes; | 89 info.encoded_bytes += it->encoded_bytes; |
| 90 } | 90 } |
| 91 return info; | 91 return info; |
| 92 } | 92 } |
| (...skipping 22 matching lines...) Expand all Loading... |
| 115 | 115 |
| 116 void AudioEncoderCopyRed::SetProjectedPacketLossRate(double fraction) { | 116 void AudioEncoderCopyRed::SetProjectedPacketLossRate(double fraction) { |
| 117 speech_encoder_->SetProjectedPacketLossRate(fraction); | 117 speech_encoder_->SetProjectedPacketLossRate(fraction); |
| 118 } | 118 } |
| 119 | 119 |
| 120 void AudioEncoderCopyRed::SetTargetBitrate(int bits_per_second) { | 120 void AudioEncoderCopyRed::SetTargetBitrate(int bits_per_second) { |
| 121 speech_encoder_->SetTargetBitrate(bits_per_second); | 121 speech_encoder_->SetTargetBitrate(bits_per_second); |
| 122 } | 122 } |
| 123 | 123 |
| 124 } // namespace webrtc | 124 } // namespace webrtc |
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