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/*
* 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 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, size,
stream_info);
}
aom_codec_err_t Decoder::DecodeFrame(const uint8_t *cxdata, size_t size) {
return DecodeFrame(cxdata, size, nullptr);
}
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, size, user_priv));
return res_dec;
}
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) {
/* 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_NE(decoder, nullptr);
bool end_of_file = false;
bool peeked_stream = 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.is_annexb = 0;
if (video->cxdata() != nullptr) {
if (!peeked_stream) {
// TODO(yaowu): PeekStream returns error for non-sequence_header_obu,
// therefore should only be tried once per sequence, this shall be fixed
// once PeekStream is updated to properly operate on other obus.
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());
peeked_stream = true;
}
aom_codec_err_t res_dec =
decoder->DecodeFrame(video->cxdata(), video->frame_size());
if (!HandleDecodeResult(res_dec, *video, decoder)) break;
} else {
// Signal end of the file to the decoder.
const aom_codec_err_t res_dec = decoder->DecodeFrame(nullptr, 0);
ASSERT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
end_of_file = true;
}
DxDataIterator dec_iter = decoder->GetDxData();
const aom_image_t *img = nullptr;
// Get decompressed data
while (!::testing::Test::HasFailure() && (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
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