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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/swap_bytes.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/swap_bytes.c b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/swap_bytes.c new file mode 100644 index 0000000000..bbafc1a2ed --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/swap_bytes.c @@ -0,0 +1,35 @@ +/* + * 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. + */ + +/****************************************************************** + + iLBC Speech Coder ANSI-C Source Code + + WebRtcIlbcfix_SwapBytes.c + +******************************************************************/ + +#include "modules/audio_coding/codecs/ilbc/swap_bytes.h" + +/*----------------------------------------------------------------* + * Swap bytes (to simplify operations on Little Endian machines) + *---------------------------------------------------------------*/ + +void WebRtcIlbcfix_SwapBytes( + const uint16_t* input, /* (i) the sequence to swap */ + size_t wordLength, /* (i) number or uint16_t to swap */ + uint16_t* output /* (o) the swapped sequence */ + ) { + size_t k; + for (k = wordLength; k > 0; k--) { + *output++ = (*input >> 8)|(*input << 8); + input++; + } +} |