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/*
* Copyright (c) 2013 The WebM 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.
*/
#include <string>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/decode_test_driver.h"
#include "test/md5_helper.h"
#include "test/webm_video_source.h"
#include "vp9/decoder/vp9_thread.h"
namespace {
using std::string;
class VP9WorkerThreadTest : public ::testing::TestWithParam<bool> {
protected:
virtual ~VP9WorkerThreadTest() {}
virtual void SetUp() {
vp9_worker_init(&worker_);
}
virtual void TearDown() {
vp9_worker_end(&worker_);
}
VP9Worker worker_;
};
int ThreadHook(void* data, void* return_value) {
int* const hook_data = reinterpret_cast<int*>(data);
*hook_data = 5;
return *reinterpret_cast<int*>(return_value);
}
TEST_P(VP9WorkerThreadTest, HookSuccess) {
EXPECT_NE(vp9_worker_sync(&worker_), 0); // should be a no-op.
for (int i = 0; i < 2; ++i) {
EXPECT_NE(vp9_worker_reset(&worker_), 0);
int hook_data = 0;
int return_value = 1; // return successfully from the hook
worker_.hook = ThreadHook;
worker_.data1 = &hook_data;
worker_.data2 = &return_value;
const bool synchronous = GetParam();
if (synchronous) {
vp9_worker_execute(&worker_);
} else {
vp9_worker_launch(&worker_);
}
EXPECT_NE(vp9_worker_sync(&worker_), 0);
EXPECT_FALSE(worker_.had_error);
EXPECT_EQ(5, hook_data);
EXPECT_NE(vp9_worker_sync(&worker_), 0); // should be a no-op.
}
}
TEST_P(VP9WorkerThreadTest, HookFailure) {
EXPECT_NE(vp9_worker_reset(&worker_), 0);
int hook_data = 0;
int return_value = 0; // return failure from the hook
worker_.hook = ThreadHook;
worker_.data1 = &hook_data;
worker_.data2 = &return_value;
const bool synchronous = GetParam();
if (synchronous) {
vp9_worker_execute(&worker_);
} else {
vp9_worker_launch(&worker_);
}
EXPECT_FALSE(vp9_worker_sync(&worker_));
EXPECT_EQ(1, worker_.had_error);
// Ensure _reset() clears the error and _launch() can be called again.
return_value = 1;
EXPECT_NE(vp9_worker_reset(&worker_), 0);
EXPECT_FALSE(worker_.had_error);
vp9_worker_launch(&worker_);
EXPECT_NE(vp9_worker_sync(&worker_), 0);
EXPECT_FALSE(worker_.had_error);
}
// -----------------------------------------------------------------------------
// Multi-threaded decode tests
// Decodes |filename| with |num_threads|. Returns the md5 of the decoded frames.
string DecodeFile(const string& filename, int num_threads) {
libvpx_test::WebMVideoSource video(filename);
video.Init();
vpx_codec_dec_cfg_t cfg = {0};
cfg.threads = num_threads;
libvpx_test::VP9Decoder decoder(cfg, 0);
libvpx_test::MD5 md5;
for (video.Begin(); video.cxdata(); video.Next()) {
const vpx_codec_err_t res =
decoder.DecodeFrame(video.cxdata(), video.frame_size());
if (res != VPX_CODEC_OK) {
EXPECT_EQ(VPX_CODEC_OK, res) << decoder.DecodeError();
break;
}
libvpx_test::DxDataIterator dec_iter = decoder.GetDxData();
const vpx_image_t *img = NULL;
// Get decompressed data
while ((img = dec_iter.Next())) {
md5.Add(img);
}
}
return string(md5.Get());
}
TEST(VP9DecodeMTTest, MTDecode) {
// no tiles or frame parallel; this exercises loop filter threading.
EXPECT_STREQ("b35a1b707b28e82be025d960aba039bc",
DecodeFile("vp90-2-03-size-226x226.webm", 2).c_str());
}
TEST(VP9DecodeMTTest, MTDecode2) {
static const struct {
const char *name;
const char *expected_md5;
} files[] = {
{ "vp90-2-08-tile_1x2_frame_parallel.webm",
"68ede6abd66bae0a2edf2eb9232241b6" },
{ "vp90-2-08-tile_1x4_frame_parallel.webm",
"368ebc6ebf3a5e478d85b2c3149b2848" },
};
for (int i = 0; i < static_cast<int>(sizeof(files) / sizeof(files[0])); ++i) {
for (int t = 2; t <= 4; ++t) {
EXPECT_STREQ(files[i].expected_md5, DecodeFile(files[i].name, t).c_str())
<< "threads = " << t;
}
}
}
INSTANTIATE_TEST_CASE_P(Synchronous, VP9WorkerThreadTest, ::testing::Bool());
} // namespace
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