| /* |
| * Copyright (c) 2014 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 "./vpx_config.h" |
| #include "test/codec_factory.h" |
| #include "test/decode_test_driver.h" |
| #include "test/ivf_video_source.h" |
| #include "test/md5_helper.h" |
| #include "test/test_vectors.h" |
| #include "test/util.h" |
| #if CONFIG_WEBM_IO |
| #include "test/webm_video_source.h" |
| #endif |
| |
| namespace { |
| |
| const int kVideoNameParam = 1; |
| |
| struct ExternalFrameBuffer { |
| uint8_t *data; |
| size_t size; |
| int in_use; |
| }; |
| |
| // Class to manipulate a list of external frame buffers. |
| class ExternalFrameBufferList { |
| public: |
| ExternalFrameBufferList() |
| : num_buffers_(0), |
| ext_fb_list_(NULL) {} |
| |
| virtual ~ExternalFrameBufferList() { |
| for (int i = 0; i < num_buffers_; ++i) { |
| delete [] ext_fb_list_[i].data; |
| } |
| delete [] ext_fb_list_; |
| } |
| |
| // Creates the list to hold the external buffers. Returns true on success. |
| bool CreateBufferList(int num_buffers) { |
| if (num_buffers < 0) |
| return false; |
| |
| num_buffers_ = num_buffers; |
| ext_fb_list_ = new ExternalFrameBuffer[num_buffers_]; |
| EXPECT_TRUE(ext_fb_list_ != NULL); |
| memset(ext_fb_list_, 0, sizeof(ext_fb_list_[0]) * num_buffers_); |
| return true; |
| } |
| |
| // Searches the frame buffer list for a free frame buffer. Makes sure |
| // that the frame buffer is at least |min_size| in bytes. Marks that the |
| // frame buffer is in use by libvpx. Finally sets |fb| to point to the |
| // external frame buffer. Returns < 0 on an error. |
| int GetFreeFrameBuffer(size_t min_size, vpx_codec_frame_buffer_t *fb) { |
| EXPECT_TRUE(fb != NULL); |
| const int idx = FindFreeBufferIndex(); |
| if (idx == num_buffers_) |
| return -1; |
| |
| if (ext_fb_list_[idx].size < min_size) { |
| delete [] ext_fb_list_[idx].data; |
| ext_fb_list_[idx].data = new uint8_t[min_size]; |
| memset(ext_fb_list_[idx].data, 0, min_size); |
| ext_fb_list_[idx].size = min_size; |
| } |
| |
| SetFrameBuffer(idx, fb); |
| return 0; |
| } |
| |
| // Test function that will not allocate any data for the frame buffer. |
| // Returns < 0 on an error. |
| int GetZeroFrameBuffer(size_t min_size, vpx_codec_frame_buffer_t *fb) { |
| EXPECT_TRUE(fb != NULL); |
| const int idx = FindFreeBufferIndex(); |
| if (idx == num_buffers_) |
| return -1; |
| |
| if (ext_fb_list_[idx].size < min_size) { |
| delete [] ext_fb_list_[idx].data; |
| ext_fb_list_[idx].data = NULL; |
| ext_fb_list_[idx].size = min_size; |
| } |
| |
| SetFrameBuffer(idx, fb); |
| return 0; |
| } |
| |
| // Marks the external frame buffer that |fb| is pointing to as free. |
| // Returns < 0 on an error. |
| int ReturnFrameBuffer(vpx_codec_frame_buffer_t *fb) { |
| if (fb == NULL) { |
| EXPECT_TRUE(fb != NULL); |
| return -1; |
| } |
| ExternalFrameBuffer *const ext_fb = |
| reinterpret_cast<ExternalFrameBuffer*>(fb->priv); |
| if (ext_fb == NULL) { |
| EXPECT_TRUE(ext_fb != NULL); |
| return -1; |
| } |
| EXPECT_EQ(1, ext_fb->in_use); |
| ext_fb->in_use = 0; |
| return 0; |
| } |
| |
| // Checks that the ximage data is contained within the external frame buffer |
| // private data passed back in the ximage. |
| void CheckXImageFrameBuffer(const vpx_image_t *img) { |
| if (img->fb_priv != NULL) { |
| const struct ExternalFrameBuffer *const ext_fb = |
| reinterpret_cast<ExternalFrameBuffer*>(img->fb_priv); |
| |
| ASSERT_TRUE(img->planes[0] >= ext_fb->data && |
| img->planes[0] < (ext_fb->data + ext_fb->size)); |
| } |
| } |
| |
| private: |
| // Returns the index of the first free frame buffer. Returns |num_buffers_| |
| // if there are no free frame buffers. |
| int FindFreeBufferIndex() { |
| int i; |
| // Find a free frame buffer. |
| for (i = 0; i < num_buffers_; ++i) { |
| if (!ext_fb_list_[i].in_use) |
| break; |
| } |
| return i; |
| } |
| |
| // Sets |fb| to an external frame buffer. idx is the index into the frame |
| // buffer list. |
| void SetFrameBuffer(int idx, vpx_codec_frame_buffer_t *fb) { |
| ASSERT_TRUE(fb != NULL); |
| fb->data = ext_fb_list_[idx].data; |
| fb->size = ext_fb_list_[idx].size; |
| ASSERT_EQ(0, ext_fb_list_[idx].in_use); |
| ext_fb_list_[idx].in_use = 1; |
| fb->priv = &ext_fb_list_[idx]; |
| } |
| |
| int num_buffers_; |
| ExternalFrameBuffer *ext_fb_list_; |
| }; |
| |
| #if CONFIG_WEBM_IO |
| |
| // Callback used by libvpx to request the application to return a frame |
| // buffer of at least |min_size| in bytes. |
| int get_vp9_frame_buffer(void *user_priv, size_t min_size, |
| vpx_codec_frame_buffer_t *fb) { |
| ExternalFrameBufferList *const fb_list = |
| reinterpret_cast<ExternalFrameBufferList*>(user_priv); |
| return fb_list->GetFreeFrameBuffer(min_size, fb); |
| } |
| |
| // Callback used by libvpx to tell the application that |fb| is not needed |
| // anymore. |
| int release_vp9_frame_buffer(void *user_priv, |
| vpx_codec_frame_buffer_t *fb) { |
| ExternalFrameBufferList *const fb_list = |
| reinterpret_cast<ExternalFrameBufferList*>(user_priv); |
| return fb_list->ReturnFrameBuffer(fb); |
| } |
| |
| // Callback will not allocate data for frame buffer. |
| int get_vp9_zero_frame_buffer(void *user_priv, size_t min_size, |
| vpx_codec_frame_buffer_t *fb) { |
| ExternalFrameBufferList *const fb_list = |
| reinterpret_cast<ExternalFrameBufferList*>(user_priv); |
| return fb_list->GetZeroFrameBuffer(min_size, fb); |
| } |
| |
| // Callback will allocate one less byte than |min_size|. |
| int get_vp9_one_less_byte_frame_buffer(void *user_priv, size_t min_size, |
| vpx_codec_frame_buffer_t *fb) { |
| ExternalFrameBufferList *const fb_list = |
| reinterpret_cast<ExternalFrameBufferList*>(user_priv); |
| return fb_list->GetFreeFrameBuffer(min_size - 1, fb); |
| } |
| |
| // Callback will not release the external frame buffer. |
| int do_not_release_vp9_frame_buffer(void *user_priv, |
| vpx_codec_frame_buffer_t *fb) { |
| (void)user_priv; |
| (void)fb; |
| return 0; |
| } |
| |
| #endif // CONFIG_WEBM_IO |
| |
| // Class for testing passing in external frame buffers to libvpx. |
| class ExternalFrameBufferMD5Test |
| : public ::libvpx_test::DecoderTest, |
| public ::libvpx_test::CodecTestWithParam<const char*> { |
| protected: |
| ExternalFrameBufferMD5Test() |
| : DecoderTest(GET_PARAM(::libvpx_test::kCodecFactoryParam)), |
| md5_file_(NULL), |
| num_buffers_(0) {} |
| |
| virtual ~ExternalFrameBufferMD5Test() { |
| if (md5_file_ != NULL) |
| fclose(md5_file_); |
| } |
| |
| virtual void PreDecodeFrameHook( |
| const libvpx_test::CompressedVideoSource &video, |
| libvpx_test::Decoder *decoder) { |
| if (num_buffers_ > 0 && video.frame_number() == 0) { |
| // Have libvpx use frame buffers we create. |
| ASSERT_TRUE(fb_list_.CreateBufferList(num_buffers_)); |
| ASSERT_EQ(VPX_CODEC_OK, |
| decoder->SetFrameBufferFunctions( |
| GetVP9FrameBuffer, ReleaseVP9FrameBuffer, this)); |
| } |
| } |
| |
| void OpenMD5File(const std::string &md5_file_name_) { |
| md5_file_ = libvpx_test::OpenTestDataFile(md5_file_name_); |
| ASSERT_TRUE(md5_file_ != NULL) << "Md5 file open failed. Filename: " |
| << md5_file_name_; |
| } |
| |
| virtual void DecompressedFrameHook(const vpx_image_t &img, |
| const unsigned int frame_number) { |
| ASSERT_TRUE(md5_file_ != NULL); |
| char expected_md5[33]; |
| char junk[128]; |
| |
| // Read correct md5 checksums. |
| const int res = fscanf(md5_file_, "%s %s", expected_md5, junk); |
| ASSERT_NE(EOF, res) << "Read md5 data failed"; |
| expected_md5[32] = '\0'; |
| |
| ::libvpx_test::MD5 md5_res; |
| md5_res.Add(&img); |
| const char *const actual_md5 = md5_res.Get(); |
| |
| // Check md5 match. |
| ASSERT_STREQ(expected_md5, actual_md5) |
| << "Md5 checksums don't match: frame number = " << frame_number; |
| } |
| |
| // Callback to get a free external frame buffer. Return value < 0 is an |
| // error. |
| static int GetVP9FrameBuffer(void *user_priv, size_t min_size, |
| vpx_codec_frame_buffer_t *fb) { |
| ExternalFrameBufferMD5Test *const md5Test = |
| reinterpret_cast<ExternalFrameBufferMD5Test*>(user_priv); |
| return md5Test->fb_list_.GetFreeFrameBuffer(min_size, fb); |
| } |
| |
| // Callback to release an external frame buffer. Return value < 0 is an |
| // error. |
| static int ReleaseVP9FrameBuffer(void *user_priv, |
| vpx_codec_frame_buffer_t *fb) { |
| ExternalFrameBufferMD5Test *const md5Test = |
| reinterpret_cast<ExternalFrameBufferMD5Test*>(user_priv); |
| return md5Test->fb_list_.ReturnFrameBuffer(fb); |
| } |
| |
| void set_num_buffers(int num_buffers) { num_buffers_ = num_buffers; } |
| int num_buffers() const { return num_buffers_; } |
| |
| private: |
| FILE *md5_file_; |
| int num_buffers_; |
| ExternalFrameBufferList fb_list_; |
| }; |
| |
| #if CONFIG_WEBM_IO |
| const char kVP9TestFile[] = "vp90-2-02-size-lf-1920x1080.webm"; |
| |
| // Class for testing passing in external frame buffers to libvpx. |
| class ExternalFrameBufferTest : public ::testing::Test { |
| protected: |
| ExternalFrameBufferTest() |
| : video_(NULL), |
| decoder_(NULL), |
| num_buffers_(0) {} |
| |
| virtual void SetUp() { |
| video_ = new libvpx_test::WebMVideoSource(kVP9TestFile); |
| ASSERT_TRUE(video_ != NULL); |
| video_->Init(); |
| video_->Begin(); |
| |
| vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t(); |
| decoder_ = new libvpx_test::VP9Decoder(cfg, 0); |
| ASSERT_TRUE(decoder_ != NULL); |
| } |
| |
| virtual void TearDown() { |
| delete decoder_; |
| delete video_; |
| } |
| |
| // Passes the external frame buffer information to libvpx. |
| vpx_codec_err_t SetFrameBufferFunctions( |
| int num_buffers, |
| vpx_get_frame_buffer_cb_fn_t cb_get, |
| vpx_release_frame_buffer_cb_fn_t cb_release) { |
| if (num_buffers > 0) { |
| num_buffers_ = num_buffers; |
| EXPECT_TRUE(fb_list_.CreateBufferList(num_buffers_)); |
| } |
| |
| return decoder_->SetFrameBufferFunctions(cb_get, cb_release, &fb_list_); |
| } |
| |
| vpx_codec_err_t DecodeOneFrame() { |
| const vpx_codec_err_t res = |
| decoder_->DecodeFrame(video_->cxdata(), video_->frame_size()); |
| CheckDecodedFrames(); |
| if (res == VPX_CODEC_OK) |
| video_->Next(); |
| return res; |
| } |
| |
| vpx_codec_err_t DecodeRemainingFrames() { |
| for (; video_->cxdata() != NULL; video_->Next()) { |
| const vpx_codec_err_t res = |
| decoder_->DecodeFrame(video_->cxdata(), video_->frame_size()); |
| if (res != VPX_CODEC_OK) |
| return res; |
| CheckDecodedFrames(); |
| } |
| return VPX_CODEC_OK; |
| } |
| |
| private: |
| void CheckDecodedFrames() { |
| libvpx_test::DxDataIterator dec_iter = decoder_->GetDxData(); |
| const vpx_image_t *img = NULL; |
| |
| // Get decompressed data |
| while ((img = dec_iter.Next()) != NULL) { |
| fb_list_.CheckXImageFrameBuffer(img); |
| } |
| } |
| |
| libvpx_test::WebMVideoSource *video_; |
| libvpx_test::VP9Decoder *decoder_; |
| int num_buffers_; |
| ExternalFrameBufferList fb_list_; |
| }; |
| #endif // CONFIG_WEBM_IO |
| |
| // This test runs through the set of test vectors, and decodes them. |
| // Libvpx will call into the application to allocate a frame buffer when |
| // needed. The md5 checksums are computed for each frame in the video file. |
| // If md5 checksums match the correct md5 data, then the test is passed. |
| // Otherwise, the test failed. |
| TEST_P(ExternalFrameBufferMD5Test, ExtFBMD5Match) { |
| const std::string filename = GET_PARAM(kVideoNameParam); |
| libvpx_test::CompressedVideoSource *video = NULL; |
| |
| // Number of buffers equals #VP9_MAXIMUM_REF_BUFFERS + |
| // #VPX_MAXIMUM_WORK_BUFFERS + four jitter buffers. |
| const int jitter_buffers = 4; |
| const int num_buffers = |
| VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS + jitter_buffers; |
| set_num_buffers(num_buffers); |
| |
| #if CONFIG_VP8_DECODER |
| // Tell compiler we are not using kVP8TestVectors. |
| (void)libvpx_test::kVP8TestVectors; |
| #endif |
| |
| // Open compressed video file. |
| if (filename.substr(filename.length() - 3, 3) == "ivf") { |
| video = new libvpx_test::IVFVideoSource(filename); |
| } else { |
| #if CONFIG_WEBM_IO |
| video = new libvpx_test::WebMVideoSource(filename); |
| #else |
| fprintf(stderr, "WebM IO is disabled, skipping test vector %s\n", |
| filename.c_str()); |
| return; |
| #endif |
| } |
| ASSERT_TRUE(video != NULL); |
| video->Init(); |
| |
| // Construct md5 file name. |
| const std::string md5_filename = filename + ".md5"; |
| OpenMD5File(md5_filename); |
| |
| // Decode frame, and check the md5 matching. |
| ASSERT_NO_FATAL_FAILURE(RunLoop(video)); |
| delete video; |
| } |
| |
| #if CONFIG_WEBM_IO |
| TEST_F(ExternalFrameBufferTest, MinFrameBuffers) { |
| // Minimum number of external frame buffers for VP9 is |
| // #VP9_MAXIMUM_REF_BUFFERS + #VPX_MAXIMUM_WORK_BUFFERS. |
| const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS; |
| ASSERT_EQ(VPX_CODEC_OK, |
| SetFrameBufferFunctions( |
| num_buffers, get_vp9_frame_buffer, release_vp9_frame_buffer)); |
| ASSERT_EQ(VPX_CODEC_OK, DecodeRemainingFrames()); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, EightJitterBuffers) { |
| // Number of buffers equals #VP9_MAXIMUM_REF_BUFFERS + |
| // #VPX_MAXIMUM_WORK_BUFFERS + eight jitter buffers. |
| const int jitter_buffers = 8; |
| const int num_buffers = |
| VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS + jitter_buffers; |
| ASSERT_EQ(VPX_CODEC_OK, |
| SetFrameBufferFunctions( |
| num_buffers, get_vp9_frame_buffer, release_vp9_frame_buffer)); |
| ASSERT_EQ(VPX_CODEC_OK, DecodeRemainingFrames()); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, NotEnoughBuffers) { |
| // Minimum number of external frame buffers for VP9 is |
| // #VP9_MAXIMUM_REF_BUFFERS + #VPX_MAXIMUM_WORK_BUFFERS. Most files will |
| // only use 5 frame buffers at one time. |
| const int num_buffers = 2; |
| ASSERT_EQ(VPX_CODEC_OK, |
| SetFrameBufferFunctions( |
| num_buffers, get_vp9_frame_buffer, release_vp9_frame_buffer)); |
| ASSERT_EQ(VPX_CODEC_OK, DecodeOneFrame()); |
| ASSERT_EQ(VPX_CODEC_MEM_ERROR, DecodeRemainingFrames()); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, NoRelease) { |
| const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS; |
| ASSERT_EQ(VPX_CODEC_OK, |
| SetFrameBufferFunctions(num_buffers, get_vp9_frame_buffer, |
| do_not_release_vp9_frame_buffer)); |
| ASSERT_EQ(VPX_CODEC_OK, DecodeOneFrame()); |
| ASSERT_EQ(VPX_CODEC_MEM_ERROR, DecodeRemainingFrames()); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, NullRealloc) { |
| const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS; |
| ASSERT_EQ(VPX_CODEC_OK, |
| SetFrameBufferFunctions(num_buffers, get_vp9_zero_frame_buffer, |
| release_vp9_frame_buffer)); |
| ASSERT_EQ(VPX_CODEC_MEM_ERROR, DecodeOneFrame()); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, ReallocOneLessByte) { |
| const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS; |
| ASSERT_EQ(VPX_CODEC_OK, |
| SetFrameBufferFunctions( |
| num_buffers, get_vp9_one_less_byte_frame_buffer, |
| release_vp9_frame_buffer)); |
| ASSERT_EQ(VPX_CODEC_MEM_ERROR, DecodeOneFrame()); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, NullGetFunction) { |
| const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS; |
| ASSERT_EQ(VPX_CODEC_INVALID_PARAM, |
| SetFrameBufferFunctions(num_buffers, NULL, |
| release_vp9_frame_buffer)); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, NullReleaseFunction) { |
| const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS; |
| ASSERT_EQ(VPX_CODEC_INVALID_PARAM, |
| SetFrameBufferFunctions(num_buffers, get_vp9_frame_buffer, NULL)); |
| } |
| |
| TEST_F(ExternalFrameBufferTest, SetAfterDecode) { |
| const int num_buffers = VP9_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS; |
| ASSERT_EQ(VPX_CODEC_OK, DecodeOneFrame()); |
| ASSERT_EQ(VPX_CODEC_ERROR, |
| SetFrameBufferFunctions( |
| num_buffers, get_vp9_frame_buffer, release_vp9_frame_buffer)); |
| } |
| #endif // CONFIG_WEBM_IO |
| |
| VP9_INSTANTIATE_TEST_CASE(ExternalFrameBufferMD5Test, |
| ::testing::ValuesIn(libvpx_test::kVP9TestVectors, |
| libvpx_test::kVP9TestVectors + |
| libvpx_test::kNumVP9TestVectors)); |
| } // namespace |