webrtc_m130/voice_engine/file_player.h
Mirko Bonadei 92ea95e34a Fixing WebRTC after moving from src/webrtc to src/
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
2017-09-15 05:02:56 +00:00

81 lines
2.9 KiB
C++

/*
* 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 VOICE_ENGINE_FILE_PLAYER_H_
#define VOICE_ENGINE_FILE_PLAYER_H_
#include <memory>
#include "common_types.h"
#include "modules/include/module_common_types.h"
#include "typedefs.h"
namespace webrtc {
class FileCallback;
class FilePlayer {
public:
// The largest decoded frame size in samples (60ms with 48kHz sample rate).
enum { MAX_AUDIO_BUFFER_IN_SAMPLES = 60 * 48 };
enum { MAX_AUDIO_BUFFER_IN_BYTES = MAX_AUDIO_BUFFER_IN_SAMPLES * 2 };
// Note: will return NULL for unsupported formats.
static std::unique_ptr<FilePlayer> CreateFilePlayer(
const uint32_t instanceID,
const FileFormats fileFormat);
virtual ~FilePlayer() = default;
// Read 10 ms of audio at |frequencyInHz| to |outBuffer|. |lengthInSamples|
// will be set to the number of samples read (not the number of samples per
// channel).
virtual int Get10msAudioFromFile(int16_t* outBuffer,
size_t* lengthInSamples,
int frequencyInHz) = 0;
// Register callback for receiving file playing notifications.
virtual int32_t RegisterModuleFileCallback(FileCallback* callback) = 0;
// API for playing audio from fileName to channel.
// Note: codecInst is used for pre-encoded files.
virtual int32_t StartPlayingFile(const char* fileName,
bool loop,
uint32_t startPosition,
float volumeScaling,
uint32_t notification,
uint32_t stopPosition,
const CodecInst* codecInst) = 0;
// Note: codecInst is used for pre-encoded files.
virtual int32_t StartPlayingFile(InStream* sourceStream,
uint32_t startPosition,
float volumeScaling,
uint32_t notification,
uint32_t stopPosition,
const CodecInst* codecInst) = 0;
virtual int32_t StopPlayingFile() = 0;
virtual bool IsPlayingFile() const = 0;
virtual int32_t GetPlayoutPosition(uint32_t* durationMs) = 0;
// Set audioCodec to the currently used audio codec.
virtual int32_t AudioCodec(CodecInst* audioCodec) const = 0;
virtual int32_t Frequency() const = 0;
// Note: scaleFactor is in the range [0.0 - 2.0]
virtual int32_t SetAudioScaling(float scaleFactor) = 0;
};
} // namespace webrtc
#endif // VOICE_ENGINE_FILE_PLAYER_H_