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Diffstat (limited to 'common_audio/include/audio_util.h')
-rw-r--r-- | common_audio/include/audio_util.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common_audio/include/audio_util.h b/common_audio/include/audio_util.h new file mode 100644 index 00000000..2196fc34 --- /dev/null +++ b/common_audio/include/audio_util.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2013 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_COMMON_AUDIO_INCLUDE_AUDIO_UTIL_H_ +#define WEBRTC_COMMON_AUDIO_INCLUDE_AUDIO_UTIL_H_ + +#include "webrtc/typedefs.h" + +namespace webrtc { + +// Deinterleave audio from |interleaved| to the channel buffers pointed to +// by |deinterleaved|. There must be sufficient space allocated in the +// |deinterleaved| buffers (|num_channel| buffers with |samples_per_channel| +// per buffer). +void Deinterleave(const int16_t* interleaved, int samples_per_channel, + int num_channels, int16_t** deinterleaved); + +// Interleave audio from the channel buffers pointed to by |deinterleaved| to +// |interleaved|. There must be sufficient space allocated in |interleaved| +// (|samples_per_channel| * |num_channels|). +void Interleave(const int16_t* const* deinterleaved, int samples_per_channel, + int num_channels, int16_t* interleaved); + +} // namespace webrtc + +#endif // WEBRTC_COMMON_AUDIO_INCLUDE_AUDIO_UTIL_H_ |