audio_sink.h (1440B)
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 API_CALL_AUDIO_SINK_H_ 12 #define API_CALL_AUDIO_SINK_H_ 13 14 #include <stddef.h> 15 #include <stdint.h> 16 17 namespace webrtc { 18 19 // Represents a simple push audio sink. 20 class AudioSinkInterface { 21 public: 22 virtual ~AudioSinkInterface() {} 23 24 struct Data { 25 Data(const int16_t* data, 26 size_t samples_per_channel, 27 int sample_rate, 28 size_t channels, 29 uint32_t timestamp) 30 : data(data), 31 samples_per_channel(samples_per_channel), 32 sample_rate(sample_rate), 33 channels(channels), 34 timestamp(timestamp) {} 35 36 const int16_t* data; // The actual 16bit audio data. 37 size_t samples_per_channel; // Number of frames in the buffer. 38 int sample_rate; // Sample rate in Hz. 39 size_t channels; // Number of channels in the audio data. 40 uint32_t timestamp; // The RTP timestamp of the first sample. 41 }; 42 43 virtual void OnData(const Data& audio) = 0; 44 }; 45 46 } // namespace webrtc 47 48 #endif // API_CALL_AUDIO_SINK_H_