blob: 3576dc67d8b3670e977419dd17eba7ece196d128 [file] [log] [blame]
* 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.
#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 {
PCMFile(uint32_t timestamp);
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);
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