1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef PAPPI_TESTS_TEST_AUDIO_H_ 6 #define PAPPI_TESTS_TEST_AUDIO_H_ 7 8 #include <string> 9 10 #include "ppapi/c/ppb_audio.h" 11 #include "ppapi/c/ppb_audio_config.h" 12 #include "ppapi/c/ppb_core.h" 13 #include "ppapi/tests/test_case.h" 14 15 class TestAudio : public TestCase { 16 public: 17 explicit TestAudio(TestingInstance* instance); 18 ~TestAudio(); 19 20 // TestCase implementation. 21 virtual bool Init(); 22 virtual void RunTests(const std::string& filter); 23 24 private: 25 std::string TestCreation(); 26 std::string TestDestroyNoStop(); 27 std::string TestFailures(); 28 std::string TestAudioCallback1(); 29 std::string TestAudioCallback2(); 30 std::string TestAudioCallback3(); 31 std::string TestAudioCallback4(); 32 33 // Calls |audio_callback_method_| (where |user_data| is "this"). 34 static void AudioCallbackTrampoline(void* sample_buffer, 35 uint32_t buffer_size_in_bytes, 36 PP_TimeDelta latency, 37 void* user_data); 38 static void AudioCallbackTrampoline1_0(void* sample_buffer, 39 uint32_t buffer_size_in_bytes, 40 void* user_data); 41 42 typedef void (TestAudio::*AudioCallbackMethod)(void* sample_buffer, 43 uint32_t buffer_size_in_bytes, 44 PP_TimeDelta latency); 45 46 // Method called by |AudioCallbackTrampoline()|. Set only when the callback 47 // can't be running (before |StartPlayback()|, after |StopPlayback()| or 48 // releasing the last reference to the audio resource). 49 AudioCallbackMethod audio_callback_method_; 50 51 // An |AudioCallbackMethod| that just clears |sample_buffer|. 52 void AudioCallbackTrivial(void* sample_buffer, 53 uint32_t buffer_size_in_bytes, 54 PP_TimeDelta latency); 55 56 // |AudioCallbackMethod| used by |TestAudioCallbackN()|. 57 void AudioCallbackTest(void* sample_buffer, 58 uint32_t buffer_size_in_bytes, 59 PP_TimeDelta latency); 60 61 PP_Resource CreateAudioConfig(PP_AudioSampleRate sample_rate, 62 uint32_t requested_sample_frame_count); 63 64 // Used by |TestAudioCallbackN()|. 65 NestedEvent audio_callback_event_; 66 67 bool test_done_; 68 69 // Raw C-level interfaces, set in |Init()|; do not modify them elsewhere. 70 const PPB_Audio_1_1* audio_interface_; 71 const PPB_Audio_1_0* audio_interface_1_0_; 72 const PPB_AudioConfig* audio_config_interface_; 73 const PPB_Core* core_interface_; 74 }; 75 76 #endif // PAPPI_TESTS_TEST_AUDIO_H_ 77
