1 /* 2 * Copyright (c) 2015 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_AUDIO_AUDIO_SINK_H_ 12 #define WEBRTC_AUDIO_AUDIO_SINK_H_ 13 14 #if defined(WEBRTC_POSIX) && !defined(__STDC_FORMAT_MACROS) 15 // Avoid conflict with format_macros.h. 16 #define __STDC_FORMAT_MACROS 17 #endif 18 19 #include <inttypes.h> 20 #include <stddef.h> 21 22 namespace webrtc { 23 24 // Represents a simple push audio sink. 25 class AudioSinkInterface { 26 public: 27 virtual ~AudioSinkInterface() {} 28 29 struct Data { 30 Data(int16_t* data, 31 size_t samples_per_channel, 32 int sample_rate, 33 size_t channels, 34 uint32_t timestamp) 35 : data(data), 36 samples_per_channel(samples_per_channel), 37 sample_rate(sample_rate), 38 channels(channels), 39 timestamp(timestamp) {} 40 41 int16_t* data; // The actual 16bit audio data. 42 size_t samples_per_channel; // Number of frames in the buffer. 43 int sample_rate; // Sample rate in Hz. 44 size_t channels; // Number of channels in the audio data. 45 uint32_t timestamp; // The RTP timestamp of the first sample. 46 }; 47 48 virtual void OnData(const Data& audio) = 0; 49 }; 50 51 } // namespace webrtc 52 53 #endif // WEBRTC_AUDIO_AUDIO_SINK_H_ 54
