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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Tests PPB_MediaStreamAudioTrack interface.
#include "ppapi/tests/test_media_stream_audio_track.h"
#include "ppapi/c/private/ppb_testing_private.h"
#include "ppapi/cpp/audio_buffer.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/var.h"
#include "ppapi/tests/test_utils.h"
#include "ppapi/tests/testing_instance.h"
REGISTER_TEST_CASE(MediaStreamAudioTrack);
namespace {
// Real max defined in
// content/renderer/pepper/pepper_media_stream_audio_track_host.cc.
const int32_t kMaxNumberOfBuffers = 1000;
const int32_t kTimes = 3;
const char kJSCode[] =
"function gotStream(stream) {"
" test_stream = stream;"
" var track = stream.getAudioTracks()[0];"
" var plugin = document.getElementById('plugin');"
" plugin.postMessage(track);"
"}"
"var constraints = {"
" audio: true,"
" video: false,"
"};"
"navigator.getUserMedia = "
" navigator.getUserMedia || navigator.webkitGetUserMedia;"
"navigator.getUserMedia(constraints,"
" gotStream, function() {});";
// Helper to check if the |sample_rate| is listed in PP_AudioBuffer_SampleRate
// enum.
bool IsSampleRateValid(PP_AudioBuffer_SampleRate sample_rate) {
switch (sample_rate) {
case PP_AUDIOBUFFER_SAMPLERATE_8000:
case PP_AUDIOBUFFER_SAMPLERATE_16000:
case PP_AUDIOBUFFER_SAMPLERATE_22050:
case PP_AUDIOBUFFER_SAMPLERATE_32000:
case PP_AUDIOBUFFER_SAMPLERATE_44100:
case PP_AUDIOBUFFER_SAMPLERATE_48000:
case PP_AUDIOBUFFER_SAMPLERATE_96000:
case PP_AUDIOBUFFER_SAMPLERATE_192000:
return true;
default:
return false;
}
}
} // namespace
TestMediaStreamAudioTrack::TestMediaStreamAudioTrack(TestingInstance* instance)
: TestCase(instance),
event_(instance_->pp_instance()) {
}
bool TestMediaStreamAudioTrack::Init() {
return true;
}
TestMediaStreamAudioTrack::~TestMediaStreamAudioTrack() {
}
void TestMediaStreamAudioTrack::RunTests(const std::string& filter) {
RUN_TEST(Create, filter);
RUN_TEST(GetBuffer, filter);
RUN_TEST(Configure, filter);
}
void TestMediaStreamAudioTrack::HandleMessage(const pp::Var& message) {
if (message.is_resource()) {
audio_track_ = pp::MediaStreamAudioTrack(message.AsResource());
}
event_.Signal();
}
std::string TestMediaStreamAudioTrack::TestCreate() {
// Create a track.
instance_->EvalScript(kJSCode);
event_.Wait();
event_.Reset();
ASSERT_FALSE(audio_track_.is_null());
ASSERT_FALSE(audio_track_.HasEnded());
ASSERT_FALSE(audio_track_.GetId().empty());
// Close the track.
audio_track_.Close();
ASSERT_TRUE(audio_track_.HasEnded());
audio_track_ = pp::MediaStreamAudioTrack();
PASS();
}
std::string TestMediaStreamAudioTrack::TestGetBuffer() {
// Create a track.
instance_->EvalScript(kJSCode);
event_.Wait();
event_.Reset();
ASSERT_FALSE(audio_track_.is_null());
ASSERT_FALSE(audio_track_.HasEnded());
ASSERT_FALSE(audio_track_.GetId().empty());
PP_TimeDelta timestamp = 0.0;
// Get |kTimes| buffers.
for (int i = 0; i < kTimes; ++i) {
TestCompletionCallbackWithOutput<pp::AudioBuffer> cc(
instance_->pp_instance(), false);
cc.WaitForResult(audio_track_.GetBuffer(cc.GetCallback()));
ASSERT_EQ(PP_OK, cc.result());
pp::AudioBuffer buffer = cc.output();
ASSERT_FALSE(buffer.is_null());
ASSERT_TRUE(IsSampleRateValid(buffer.GetSampleRate()));
ASSERT_EQ(buffer.GetSampleSize(), PP_AUDIOBUFFER_SAMPLESIZE_16_BITS);
ASSERT_GE(buffer.GetTimestamp(), timestamp);
timestamp = buffer.GetTimestamp();
ASSERT_GT(buffer.GetDataBufferSize(), 0U);
ASSERT_TRUE(buffer.GetDataBuffer() != NULL);
audio_track_.RecycleBuffer(buffer);
// A recycled buffer should be invalidated.
ASSERT_EQ(buffer.GetSampleRate(), PP_AUDIOBUFFER_SAMPLERATE_UNKNOWN);
ASSERT_EQ(buffer.GetSampleSize(), PP_AUDIOBUFFER_SAMPLESIZE_UNKNOWN);
ASSERT_EQ(buffer.GetDataBufferSize(), 0U);
ASSERT_TRUE(buffer.GetDataBuffer() == NULL);
}
// Close the track.
audio_track_.Close();
ASSERT_TRUE(audio_track_.HasEnded());
audio_track_ = pp::MediaStreamAudioTrack();
PASS();
}
std::string TestMediaStreamAudioTrack::TestConfigure() {
// Create a track.
instance_->EvalScript(kJSCode);
event_.Wait();
event_.Reset();
ASSERT_FALSE(audio_track_.is_null());
ASSERT_FALSE(audio_track_.HasEnded());
ASSERT_FALSE(audio_track_.GetId().empty());
PP_TimeDelta timestamp = 0.0;
// Configure number of buffers.
struct {
int32_t buffers;
int32_t expect_result;
} buffers[] = {
{ 8, PP_OK },
{ 100, PP_OK },
{ kMaxNumberOfBuffers, PP_OK },
{ -1, PP_ERROR_BADARGUMENT },
{ kMaxNumberOfBuffers + 1, PP_OK }, // Clipped to max value.
{ 0, PP_OK }, // Use default.
};
for (size_t i = 0; i < sizeof(buffers) / sizeof(buffers[0]); ++i) {
TestCompletionCallback cc_configure(instance_->pp_instance(), false);
int32_t attrib_list[] = {
PP_MEDIASTREAMAUDIOTRACK_ATTRIB_BUFFERS, buffers[i].buffers,
PP_MEDIASTREAMAUDIOTRACK_ATTRIB_NONE,
};
cc_configure.WaitForResult(
audio_track_.Configure(attrib_list, cc_configure.GetCallback()));
ASSERT_EQ(buffers[i].expect_result, cc_configure.result());
// Get some buffers. This should also succeed when configure fails.
for (int j = 0; j < kTimes; ++j) {
TestCompletionCallbackWithOutput<pp::AudioBuffer> cc_get_buffer(
instance_->pp_instance(), false);
cc_get_buffer.WaitForResult(
audio_track_.GetBuffer(cc_get_buffer.GetCallback()));
ASSERT_EQ(PP_OK, cc_get_buffer.result());
pp::AudioBuffer buffer = cc_get_buffer.output();
ASSERT_FALSE(buffer.is_null());
ASSERT_TRUE(IsSampleRateValid(buffer.GetSampleRate()));
ASSERT_EQ(buffer.GetSampleSize(), PP_AUDIOBUFFER_SAMPLESIZE_16_BITS);
ASSERT_GE(buffer.GetTimestamp(), timestamp);
timestamp = buffer.GetTimestamp();
ASSERT_GT(buffer.GetDataBufferSize(), 0U);
ASSERT_TRUE(buffer.GetDataBuffer() != NULL);
audio_track_.RecycleBuffer(buffer);
}
}
// Configure should fail while plugin holds buffers.
{
TestCompletionCallbackWithOutput<pp::AudioBuffer> cc_get_buffer(
instance_->pp_instance(), false);
cc_get_buffer.WaitForResult(
audio_track_.GetBuffer(cc_get_buffer.GetCallback()));
ASSERT_EQ(PP_OK, cc_get_buffer.result());
pp::AudioBuffer buffer = cc_get_buffer.output();
int32_t attrib_list[] = {
PP_MEDIASTREAMAUDIOTRACK_ATTRIB_BUFFERS, 0,
PP_MEDIASTREAMAUDIOTRACK_ATTRIB_NONE,
};
TestCompletionCallback cc_configure(instance_->pp_instance(), false);
cc_configure.WaitForResult(
audio_track_.Configure(attrib_list, cc_configure.GetCallback()));
ASSERT_EQ(PP_ERROR_INPROGRESS, cc_configure.result());
audio_track_.RecycleBuffer(buffer);
}
// Close the track.
audio_track_.Close();
ASSERT_TRUE(audio_track_.HasEnded());
audio_track_ = pp::MediaStreamAudioTrack();
PASS();
}
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