1 /* Copyright 2016 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #include <functional> 17 #include <memory> 18 19 #include "tensorflow/core/framework/allocator.h" 20 #include "tensorflow/core/framework/fake_input.h" 21 #include "tensorflow/core/framework/node_def_builder.h" 22 #include "tensorflow/core/framework/op_kernel.h" 23 #include "tensorflow/core/framework/summary.pb.h" 24 #include "tensorflow/core/framework/tensor.h" 25 #include "tensorflow/core/framework/types.h" 26 #include "tensorflow/core/kernels/ops_testutil.h" 27 #include "tensorflow/core/kernels/ops_util.h" 28 #include "tensorflow/core/lib/core/status_test_util.h" 29 #include "tensorflow/core/lib/histogram/histogram.h" 30 #include "tensorflow/core/lib/strings/strcat.h" 31 #include "tensorflow/core/platform/env.h" 32 #include "tensorflow/core/platform/logging.h" 33 #include "tensorflow/core/platform/protobuf.h" 34 #include "tensorflow/core/platform/test.h" 35 36 namespace tensorflow { 37 namespace { 38 39 static void EXPECT_SummaryMatches(const Summary& actual, 40 const string& expected_str) { 41 Summary expected; 42 CHECK(protobuf::TextFormat::ParseFromString(expected_str, &expected)); 43 EXPECT_EQ(expected.DebugString(), actual.DebugString()); 44 } 45 46 // -------------------------------------------------------------------------- 47 // SummaryAudioOp 48 // -------------------------------------------------------------------------- 49 class SummaryAudioOpTest : public OpsTestBase { 50 protected: 51 void MakeOp(const int max_outputs) { 52 TF_ASSERT_OK(NodeDefBuilder("myop", "AudioSummaryV2") 53 .Input(FakeInput()) 54 .Input(FakeInput()) 55 .Input(FakeInput()) 56 .Attr("max_outputs", max_outputs) 57 .Finalize(node_def())); 58 TF_ASSERT_OK(InitOp()); 59 } 60 61 void CheckAndRemoveEncodedAudio(Summary* summary) { 62 for (int i = 0; i < summary->value_size(); ++i) { 63 Summary::Value* value = summary->mutable_value(i); 64 ASSERT_TRUE(value->has_audio()) << "No audio for value: " << value->tag(); 65 ASSERT_FALSE(value->audio().encoded_audio_string().empty()) 66 << "No encoded_audio_string for value: " << value->tag(); 67 if (VLOG_IS_ON(2)) { 68 // When LOGGING, output the audio to disk for manual inspection. 69 TF_CHECK_OK(WriteStringToFile( 70 Env::Default(), strings::StrCat("/tmp/", value->tag(), ".wav"), 71 value->audio().encoded_audio_string())); 72 } 73 value->mutable_audio()->clear_encoded_audio_string(); 74 } 75 } 76 }; 77 78 TEST_F(SummaryAudioOpTest, Basic3D) { 79 const float kSampleRate = 44100.0f; 80 const int kMaxOutputs = 3; 81 MakeOp(kMaxOutputs); 82 83 // Feed and run 84 AddInputFromArray<string>(TensorShape({}), {"tag"}); 85 AddInputFromArray<float>(TensorShape({4, 2, 2}), 86 {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 87 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}); 88 AddInputFromArray<float>(TensorShape({}), {kSampleRate}); 89 90 TF_ASSERT_OK(RunOpKernel()); 91 92 // Check the output size. 93 Tensor* out_tensor = GetOutput(0); 94 ASSERT_EQ(0, out_tensor->dims()); 95 Summary summary; 96 ParseProtoUnlimited(&summary, out_tensor->scalar<string>()()); 97 98 CheckAndRemoveEncodedAudio(&summary); 99 EXPECT_SummaryMatches(summary, R"( 100 value { tag: 'tag/audio/0' 101 audio { content_type: "audio/wav" sample_rate: 44100 num_channels: 2 102 length_frames: 2 } } 103 value { tag: 'tag/audio/1' 104 audio { content_type: "audio/wav" sample_rate: 44100 num_channels: 2 105 length_frames: 2 } } 106 value { tag: 'tag/audio/2' 107 audio { content_type: "audio/wav" sample_rate: 44100 num_channels: 2 108 length_frames: 2 } } 109 )"); 110 } 111 112 TEST_F(SummaryAudioOpTest, Basic2D) { 113 const float kSampleRate = 44100.0f; 114 const int kMaxOutputs = 3; 115 MakeOp(kMaxOutputs); 116 117 // Feed and run 118 AddInputFromArray<string>(TensorShape({}), {"tag"}); 119 AddInputFromArray<float>(TensorShape({4, 4}), 120 {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 121 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}); 122 AddInputFromArray<float>(TensorShape({}), {kSampleRate}); 123 124 TF_ASSERT_OK(RunOpKernel()); 125 126 // Check the output size. 127 Tensor* out_tensor = GetOutput(0); 128 ASSERT_EQ(0, out_tensor->dims()); 129 Summary summary; 130 ParseProtoUnlimited(&summary, out_tensor->scalar<string>()()); 131 132 CheckAndRemoveEncodedAudio(&summary); 133 EXPECT_SummaryMatches(summary, R"( 134 value { tag: 'tag/audio/0' 135 audio { content_type: "audio/wav" sample_rate: 44100 num_channels: 1 136 length_frames: 4 } } 137 value { tag: 'tag/audio/1' 138 audio { content_type: "audio/wav" sample_rate: 44100 num_channels: 1 139 length_frames: 4 } } 140 value { tag: 'tag/audio/2' 141 audio { content_type: "audio/wav" sample_rate: 44100 num_channels: 1 142 length_frames: 4 } } 143 )"); 144 } 145 146 } // namespace 147 } // namespace tensorflow 148
