| /* |
| * 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. |
| */ |
| |
| #ifndef WEBRTC_MODULES_AUDIO_CODING_TEST_PCMFILE_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_TEST_PCMFILE_H_ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <string> |
| |
| #include "webrtc/api/optional.h" |
| #include "webrtc/modules/include/module_common_types.h" |
| #include "webrtc/typedefs.h" |
| |
| namespace webrtc { |
| |
| class PCMFile { |
| public: |
| PCMFile(); |
| PCMFile(uint32_t timestamp); |
| ~PCMFile(); |
| |
| void Open(const std::string& filename, uint16_t frequency, const char* mode, |
| bool auto_rewind = false); |
| |
| int32_t Read10MsData(AudioFrame& audio_frame); |
| |
| void Write10MsData(const int16_t *playout_buffer, size_t length_smpls); |
| void Write10MsData(const AudioFrame& audio_frame); |
| |
| uint16_t PayloadLength10Ms() const; |
| int32_t SamplingFrequency() const; |
| void Close(); |
| bool EndOfFile() const { |
| return end_of_file_; |
| } |
| // Moves forward the specified number of 10 ms blocks. If a limit has been set |
| // with SetNum10MsBlocksToRead, fast-forwarding does not count towards this |
| // limit. |
| void FastForward(int num_10ms_blocks); |
| void Rewind(); |
| static int16_t ChooseFile(std::string* file_name, int16_t max_len, |
| uint16_t* frequency_hz); |
| bool Rewinded(); |
| void SaveStereo(bool is_stereo = true); |
| void ReadStereo(bool is_stereo = true); |
| // If set, the reading will stop after the specified number of blocks have |
| // been read. When that has happened, EndOfFile() will return true. Calling |
| // Rewind() will reset the counter and start over. |
| void SetNum10MsBlocksToRead(int value); |
| |
| private: |
| FILE* pcm_file_; |
| uint16_t samples_10ms_; |
| int32_t frequency_; |
| bool end_of_file_; |
| bool auto_rewind_; |
| bool rewinded_; |
| uint32_t timestamp_; |
| bool read_stereo_; |
| bool save_stereo_; |
| rtc::Optional<int> num_10ms_blocks_to_read_; |
| int blocks_read_ = 0; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_AUDIO_CODING_TEST_PCMFILE_H_ |