From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/test/decode_test_driver.cc | 124 +++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 third_party/aom/test/decode_test_driver.cc (limited to 'third_party/aom/test/decode_test_driver.cc') diff --git a/third_party/aom/test/decode_test_driver.cc b/third_party/aom/test/decode_test_driver.cc new file mode 100644 index 000000000..35c28eafd --- /dev/null +++ b/third_party/aom/test/decode_test_driver.cc @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. +*/ + +#include "third_party/googletest/src/googletest/include/gtest/gtest.h" + +#include "test/codec_factory.h" +#include "test/decode_test_driver.h" +#include "test/register_state_check.h" +#include "test/video_source.h" + +namespace libaom_test { + +const char kVP8Name[] = "WebM Project VP8"; +const char kAV1Name[] = "AOMedia Project AV1 Decoder"; + +aom_codec_err_t Decoder::PeekStream(const uint8_t *cxdata, size_t size, + aom_codec_stream_info_t *stream_info) { + return aom_codec_peek_stream_info( + CodecInterface(), cxdata, static_cast(size), stream_info); +} + +aom_codec_err_t Decoder::DecodeFrame(const uint8_t *cxdata, size_t size) { + return DecodeFrame(cxdata, size, NULL); +} + +aom_codec_err_t Decoder::DecodeFrame(const uint8_t *cxdata, size_t size, + void *user_priv) { + aom_codec_err_t res_dec; + InitOnce(); + API_REGISTER_STATE_CHECK( + res_dec = aom_codec_decode( + &decoder_, cxdata, static_cast(size), user_priv, 0)); + return res_dec; +} + +bool Decoder::IsVP8() const { + const char *codec_name = GetDecoderName(); + return strncmp(kVP8Name, codec_name, sizeof(kVP8Name) - 1) == 0; +} + +bool Decoder::IsAV1() const { + const char *codec_name = GetDecoderName(); + return strncmp(kAV1Name, codec_name, sizeof(kAV1Name) - 1) == 0; +} + +void DecoderTest::HandlePeekResult(Decoder *const decoder, + CompressedVideoSource *video, + const aom_codec_err_t res_peek) { + const bool is_vp8 = decoder->IsVP8(); + if (is_vp8) { + /* Vp8's implementation of PeekStream returns an error if the frame you + * pass it is not a keyframe, so we only expect AOM_CODEC_OK on the first + * frame, which must be a keyframe. */ + if (video->frame_number() == 0) + ASSERT_EQ(AOM_CODEC_OK, res_peek) << "Peek return failed: " + << aom_codec_err_to_string(res_peek); + } else { + /* The Av1 implementation of PeekStream returns an error only if the + * data passed to it isn't a valid Av1 chunk. */ + ASSERT_EQ(AOM_CODEC_OK, res_peek) << "Peek return failed: " + << aom_codec_err_to_string(res_peek); + } +} + +void DecoderTest::RunLoop(CompressedVideoSource *video, + const aom_codec_dec_cfg_t &dec_cfg) { + Decoder *const decoder = codec_->CreateDecoder(dec_cfg, flags_); + ASSERT_TRUE(decoder != NULL); + bool end_of_file = false; + + // Decode frames. + for (video->Begin(); !::testing::Test::HasFailure() && !end_of_file; + video->Next()) { + PreDecodeFrameHook(*video, decoder); + + aom_codec_stream_info_t stream_info; + stream_info.sz = sizeof(stream_info); + + if (video->cxdata() != NULL) { + const aom_codec_err_t res_peek = decoder->PeekStream( + video->cxdata(), video->frame_size(), &stream_info); + HandlePeekResult(decoder, video, res_peek); + ASSERT_FALSE(::testing::Test::HasFailure()); + + aom_codec_err_t res_dec = + decoder->DecodeFrame(video->cxdata(), video->frame_size()); + if (!HandleDecodeResult(res_dec, decoder)) break; + } else { + // Signal end of the file to the decoder. + const aom_codec_err_t res_dec = decoder->DecodeFrame(NULL, 0); + ASSERT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError(); + end_of_file = true; + } + + DxDataIterator dec_iter = decoder->GetDxData(); + const aom_image_t *img = NULL; + + // Get decompressed data + while ((img = dec_iter.Next())) + DecompressedFrameHook(*img, video->frame_number()); + } + delete decoder; +} + +void DecoderTest::RunLoop(CompressedVideoSource *video) { + aom_codec_dec_cfg_t dec_cfg = aom_codec_dec_cfg_t(); + RunLoop(video, dec_cfg); +} + +void DecoderTest::set_cfg(const aom_codec_dec_cfg_t &dec_cfg) { + memcpy(&cfg_, &dec_cfg, sizeof(cfg_)); +} + +void DecoderTest::set_flags(const aom_codec_flags_t flags) { flags_ = flags; } + +} // namespace libaom_test -- cgit v1.2.3