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/*
* 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_VOICE_ENGINE_OUTPUT_MIXER_INTERNAL_H_
#define WEBRTC_VOICE_ENGINE_OUTPUT_MIXER_INTERNAL_H_
namespace webrtc {
class AudioFrame;
class PushResampler;
namespace voe {
// Upmix or downmix and resample the audio in |src_frame| to |dst_frame|.
// Expects |dst_frame| to have its |num_channels_| and |sample_rate_hz_| set to
// the desired values. Updates |samples_per_channel_| accordingly.
//
// On failure, returns -1 and copies |src_frame| to |dst_frame|.
int RemixAndResample(const AudioFrame& src_frame,
PushResampler* resampler,
AudioFrame* dst_frame);
} // namespace voe
} // namespace webrtc
#endif // VOICE_ENGINE_OUTPUT_MIXER_INTERNAL_H_
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