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authorGravatar Pete Warden <petewarden@google.com>2017-04-05 17:10:48 -0800
committerGravatar TensorFlower Gardener <gardener@tensorflow.org>2017-04-05 18:24:52 -0700
commita24c6b842d982de8a38ae5058ace91cb47ee3cef (patch)
tree6e7a909a5e8ccde22caa2d7b5f4a1a84dda3cdd2 /third_party/fft2d/fft.h
parent9d57702513001bfded19e72c76a986cce56d5f00 (diff)
Add AudioSpectrogram op to TensorFlow for audio feature generation
Change: 152332221
Diffstat (limited to 'third_party/fft2d/fft.h')
-rw-r--r--third_party/fft2d/fft.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/fft2d/fft.h b/third_party/fft2d/fft.h
new file mode 100644
index 0000000000..252cc01fec
--- /dev/null
+++ b/third_party/fft2d/fft.h
@@ -0,0 +1,36 @@
+/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+// Declarations for 1D FFT routines in third_party/fft2d/fft.
+
+#ifndef THIRD_PARTY_FFT2D_FFT_H__
+#define THIRD_PARTY_FFT2D_FFT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void cdft(int, int, double *, int *, double *);
+extern void rdft(int, int, double *, int *, double *);
+extern void ddct(int, int, double *, int *, double *);
+extern void ddst(int, int, double *, int *, double *);
+extern void dfct(int, double *, double *, int *, double *);
+extern void dfst(int, double *, double *, int *, double *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // THIRD_PARTY_FFT2D_FFT_H__