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| 1 /* |
| 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 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 |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_ENCODE_NETEQ_INPUT_H_ |
| 12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_ENCODE_NETEQ_INPUT_H_ |
| 13 |
| 14 #include <memory> |
| 15 |
| 16 #include "webrtc/modules/audio_coding/codecs/audio_encoder.h" |
| 17 #include "webrtc/modules/audio_coding/neteq/tools/input_audio_file.h" |
| 18 #include "webrtc/modules/audio_coding/neteq/tools/neteq_input.h" |
| 19 #include "webrtc/modules/include/module_common_types.h" |
| 20 |
| 21 namespace webrtc { |
| 22 namespace test { |
| 23 |
| 24 // This class provides a NetEqInput that takes audio from an input file and |
| 25 // encodes it using a given audio encoder. |
| 26 class EncodeNetEqInput : public NetEqInput { |
| 27 public: |
| 28 // The source will end after the given input duration. |
| 29 EncodeNetEqInput(std::unique_ptr<InputAudioFile> input, |
| 30 std::unique_ptr<AudioEncoder> encoder, |
| 31 int64_t input_duration_ms); |
| 32 |
| 33 rtc::Optional<int64_t> NextPacketTime() const override; |
| 34 |
| 35 rtc::Optional<int64_t> NextOutputEventTime() const override; |
| 36 |
| 37 std::unique_ptr<PacketData> PopPacket() override; |
| 38 |
| 39 void AdvanceOutputEvent() override; |
| 40 |
| 41 bool ended() const override { |
| 42 return next_output_event_ms_ <= input_duration_ms_; |
| 43 } |
| 44 |
| 45 rtc::Optional<RTPHeader> NextHeader() const override; |
| 46 |
| 47 private: |
| 48 static constexpr int64_t kOutputPeriodMs = 10; |
| 49 |
| 50 void CreatePacket(); |
| 51 |
| 52 std::unique_ptr<InputAudioFile> input_; |
| 53 std::unique_ptr<AudioEncoder> encoder_; |
| 54 std::unique_ptr<PacketData> packet_data_; |
| 55 int32_t rtp_timestamp_ = 0; |
| 56 int16_t sequence_number_ = 0; |
| 57 int64_t next_packet_time_ms_ = 0; |
| 58 int64_t next_output_event_ms_ = 0; |
| 59 const int64_t input_duration_ms_; |
| 60 }; |
| 61 |
| 62 } // namespace test |
| 63 } // namespace webrtc |
| 64 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_ENCODE_NETEQ_INPUT_H_ |
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