diff options
Diffstat (limited to 'media/libvpx/libvpx/test/vp9_thread_test.cc')
-rw-r--r-- | media/libvpx/libvpx/test/vp9_thread_test.cc | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/vp9_thread_test.cc b/media/libvpx/libvpx/test/vp9_thread_test.cc new file mode 100644 index 0000000000..1ceef8185c --- /dev/null +++ b/media/libvpx/libvpx/test/vp9_thread_test.cc @@ -0,0 +1,295 @@ +/* + * 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 "./vpx_config.h" +#include "test/codec_factory.h" +#include "test/decode_test_driver.h" +#include "test/md5_helper.h" +#if CONFIG_WEBM_IO +#include "test/webm_video_source.h" +#endif +#include "vpx_util/vpx_thread.h" + +namespace { + +using std::string; + +class VPxWorkerThreadTest : public ::testing::TestWithParam<bool> { + protected: + virtual ~VPxWorkerThreadTest() {} + virtual void SetUp() { vpx_get_worker_interface()->init(&worker_); } + + virtual void TearDown() { vpx_get_worker_interface()->end(&worker_); } + + void Run(VPxWorker *worker) { + const bool synchronous = GetParam(); + if (synchronous) { + vpx_get_worker_interface()->execute(worker); + } else { + vpx_get_worker_interface()->launch(worker); + } + } + + VPxWorker 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(VPxWorkerThreadTest, HookSuccess) { + // should be a no-op. + EXPECT_NE(vpx_get_worker_interface()->sync(&worker_), 0); + + for (int i = 0; i < 2; ++i) { + EXPECT_NE(vpx_get_worker_interface()->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; + + Run(&worker_); + EXPECT_NE(vpx_get_worker_interface()->sync(&worker_), 0); + EXPECT_FALSE(worker_.had_error); + EXPECT_EQ(5, hook_data); + + // should be a no-op. + EXPECT_NE(vpx_get_worker_interface()->sync(&worker_), 0); + } +} + +TEST_P(VPxWorkerThreadTest, HookFailure) { + EXPECT_NE(vpx_get_worker_interface()->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; + + Run(&worker_); + EXPECT_FALSE(vpx_get_worker_interface()->sync(&worker_)); + EXPECT_EQ(1, worker_.had_error); + + // Ensure _reset() clears the error and _launch() can be called again. + return_value = 1; + EXPECT_NE(vpx_get_worker_interface()->reset(&worker_), 0); + EXPECT_FALSE(worker_.had_error); + vpx_get_worker_interface()->launch(&worker_); + EXPECT_NE(vpx_get_worker_interface()->sync(&worker_), 0); + EXPECT_FALSE(worker_.had_error); +} + +TEST_P(VPxWorkerThreadTest, EndWithoutSync) { + // Create a large number of threads to increase the chances of detecting a + // race. Doing more work in the hook is no guarantee as any race would occur + // post hook execution in the main thread loop driver. + static const int kNumWorkers = 64; + VPxWorker workers[kNumWorkers]; + int hook_data[kNumWorkers]; + int return_value[kNumWorkers]; + + for (int n = 0; n < kNumWorkers; ++n) { + vpx_get_worker_interface()->init(&workers[n]); + return_value[n] = 1; // return successfully from the hook + workers[n].hook = ThreadHook; + workers[n].data1 = &hook_data[n]; + workers[n].data2 = &return_value[n]; + } + + for (int i = 0; i < 2; ++i) { + for (int n = 0; n < kNumWorkers; ++n) { + EXPECT_NE(vpx_get_worker_interface()->reset(&workers[n]), 0); + hook_data[n] = 0; + } + + for (int n = 0; n < kNumWorkers; ++n) { + Run(&workers[n]); + } + + for (int n = kNumWorkers - 1; n >= 0; --n) { + vpx_get_worker_interface()->end(&workers[n]); + } + } +} + +TEST(VPxWorkerThreadTest, TestInterfaceAPI) { + EXPECT_EQ(0, vpx_set_worker_interface(nullptr)); + EXPECT_NE(vpx_get_worker_interface(), nullptr); + for (int i = 0; i < 6; ++i) { + VPxWorkerInterface winterface = *vpx_get_worker_interface(); + switch (i) { + default: + case 0: winterface.init = nullptr; break; + case 1: winterface.reset = nullptr; break; + case 2: winterface.sync = nullptr; break; + case 3: winterface.launch = nullptr; break; + case 4: winterface.execute = nullptr; break; + case 5: winterface.end = nullptr; break; + } + EXPECT_EQ(0, vpx_set_worker_interface(&winterface)); + } +} + +// ----------------------------------------------------------------------------- +// Multi-threaded decode tests +#if CONFIG_WEBM_IO +// 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 = vpx_codec_dec_cfg_t(); + 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 = nullptr; + + // Get decompressed data + while ((img = dec_iter.Next())) { + md5.Add(img); + } + } + return string(md5.Get()); +} + +// Trivial serialized thread worker interface implementation. +// Note any worker that requires synchronization between other workers will +// hang. +namespace impl { +namespace { + +void Init(VPxWorker *const worker) { memset(worker, 0, sizeof(*worker)); } +int Reset(VPxWorker *const /*worker*/) { return 1; } +int Sync(VPxWorker *const worker) { return !worker->had_error; } + +void Execute(VPxWorker *const worker) { + worker->had_error |= !worker->hook(worker->data1, worker->data2); +} + +void Launch(VPxWorker *const worker) { Execute(worker); } +void End(VPxWorker *const /*worker*/) {} + +} // namespace +} // namespace impl + +TEST(VPxWorkerThreadTest, TestSerialInterface) { + static const VPxWorkerInterface serial_interface = { + impl::Init, impl::Reset, impl::Sync, impl::Launch, impl::Execute, impl::End + }; + static const char expected_md5[] = "b35a1b707b28e82be025d960aba039bc"; + static const char filename[] = "vp90-2-03-size-226x226.webm"; + VPxWorkerInterface default_interface = *vpx_get_worker_interface(); + + EXPECT_NE(vpx_set_worker_interface(&serial_interface), 0); + EXPECT_EQ(expected_md5, DecodeFile(filename, 2)); + + // Reset the interface. + EXPECT_NE(vpx_set_worker_interface(&default_interface), 0); + EXPECT_EQ(expected_md5, DecodeFile(filename, 2)); +} + +struct FileParam { + const char *name; + const char *expected_md5; + friend std::ostream &operator<<(std::ostream &os, const FileParam ¶m) { + return os << "file name: " << param.name + << " digest: " << param.expected_md5; + } +}; + +class VP9DecodeMultiThreadedTest : public ::testing::TestWithParam<FileParam> { +}; + +TEST_P(VP9DecodeMultiThreadedTest, Decode) { + for (int t = 1; t <= 8; ++t) { + EXPECT_EQ(GetParam().expected_md5, DecodeFile(GetParam().name, t)) + << "threads = " << t; + } +} + +const FileParam kNoTilesNonFrameParallelFiles[] = { + { "vp90-2-03-size-226x226.webm", "b35a1b707b28e82be025d960aba039bc" } +}; + +const FileParam kFrameParallelFiles[] = { + { "vp90-2-08-tile_1x2_frame_parallel.webm", + "68ede6abd66bae0a2edf2eb9232241b6" }, + { "vp90-2-08-tile_1x4_frame_parallel.webm", + "368ebc6ebf3a5e478d85b2c3149b2848" }, + { "vp90-2-08-tile_1x8_frame_parallel.webm", + "17e439da2388aff3a0f69cb22579c6c1" }, +}; + +const FileParam kFrameParallelResizeFiles[] = { + { "vp90-2-14-resize-fp-tiles-1-16.webm", "0cd5e632c326297e975f38949c31ea94" }, + { "vp90-2-14-resize-fp-tiles-1-2-4-8-16.webm", + "5c78a96a42e7f4a4f6b2edcdb791e44c" }, + { "vp90-2-14-resize-fp-tiles-1-2.webm", "e030450ae85c3277be2a418769df98e2" }, + { "vp90-2-14-resize-fp-tiles-1-4.webm", "312eed4e2b64eb7a4e7f18916606a430" }, + { "vp90-2-14-resize-fp-tiles-16-1.webm", "1755c16d8af16a9cb3fe7338d90abe52" }, + { "vp90-2-14-resize-fp-tiles-16-2.webm", "500300592d3fcb6f12fab25e48aaf4df" }, + { "vp90-2-14-resize-fp-tiles-16-4.webm", "47c48379fa6331215d91c67648e1af6e" }, + { "vp90-2-14-resize-fp-tiles-16-8-4-2-1.webm", + "eecf17290739bc708506fa4827665989" }, + { "vp90-2-14-resize-fp-tiles-16-8.webm", "29b6bb54e4c26b5ca85d5de5fed94e76" }, + { "vp90-2-14-resize-fp-tiles-1-8.webm", "1b6f175e08cd82cf84bb800ac6d1caa3" }, + { "vp90-2-14-resize-fp-tiles-2-16.webm", "ca3b03e4197995d8d5444ede7a6c0804" }, + { "vp90-2-14-resize-fp-tiles-2-1.webm", "99aec065369d70bbb78ccdff65afed3f" }, + { "vp90-2-14-resize-fp-tiles-2-4.webm", "22d0ebdb49b87d2920a85aea32e1afd5" }, + { "vp90-2-14-resize-fp-tiles-2-8.webm", "c2115cf051c62e0f7db1d4a783831541" }, + { "vp90-2-14-resize-fp-tiles-4-16.webm", "c690d7e1719b31367564cac0af0939cb" }, + { "vp90-2-14-resize-fp-tiles-4-1.webm", "a926020b2cc3e15ad4cc271853a0ff26" }, + { "vp90-2-14-resize-fp-tiles-4-2.webm", "42699063d9e581f1993d0cf890c2be78" }, + { "vp90-2-14-resize-fp-tiles-4-8.webm", "7f76d96036382f45121e3d5aa6f8ec52" }, + { "vp90-2-14-resize-fp-tiles-8-16.webm", "76a43fcdd7e658542913ea43216ec55d" }, + { "vp90-2-14-resize-fp-tiles-8-1.webm", "8e3fbe89486ca60a59299dea9da91378" }, + { "vp90-2-14-resize-fp-tiles-8-2.webm", "ae96f21f21b6370cc0125621b441fc52" }, + { "vp90-2-14-resize-fp-tiles-8-4.webm", "3eb4f24f10640d42218f7fd7b9fd30d4" }, +}; + +const FileParam kNonFrameParallelFiles[] = { + { "vp90-2-08-tile_1x2.webm", "570b4a5d5a70d58b5359671668328a16" }, + { "vp90-2-08-tile_1x4.webm", "988d86049e884c66909d2d163a09841a" }, + { "vp90-2-08-tile_1x8.webm", "0941902a52e9092cb010905eab16364c" }, + { "vp90-2-08-tile-4x1.webm", "06505aade6647c583c8e00a2f582266f" }, + { "vp90-2-08-tile-4x4.webm", "85c2299892460d76e2c600502d52bfe2" }, +}; + +INSTANTIATE_TEST_SUITE_P(NoTilesNonFrameParallel, VP9DecodeMultiThreadedTest, + ::testing::ValuesIn(kNoTilesNonFrameParallelFiles)); +INSTANTIATE_TEST_SUITE_P(FrameParallel, VP9DecodeMultiThreadedTest, + ::testing::ValuesIn(kFrameParallelFiles)); +INSTANTIATE_TEST_SUITE_P(FrameParallelResize, VP9DecodeMultiThreadedTest, + ::testing::ValuesIn(kFrameParallelResizeFiles)); +INSTANTIATE_TEST_SUITE_P(NonFrameParallel, VP9DecodeMultiThreadedTest, + ::testing::ValuesIn(kNonFrameParallelFiles)); +#endif // CONFIG_WEBM_IO + +INSTANTIATE_TEST_SUITE_P(Synchronous, VPxWorkerThreadTest, ::testing::Bool()); + +} // namespace |