ladybird/Tests/LibMedia/TestVP9Decode.cpp
Zaggy1024 7c10e1a08d LibMedia: Rename LibVideo to LibMedia
This change is in preparation for implementing audio codecs into the
library and using audio as timing for video playback.
2024-06-19 07:51:55 +02:00

87 lines
2.6 KiB
C++

/*
* Copyright (c) 2022, Gregory Bertilson <zaggy1024@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <LibMedia/Containers/Matroska/Reader.h>
#include <LibMedia/Video/VP9/Decoder.h>
static void decode_video(StringView path, size_t expected_frame_count)
{
auto matroska_reader = MUST(Media::Matroska::Reader::from_file(path));
u64 video_track = 0;
MUST(matroska_reader.for_each_track_of_type(Media::Matroska::TrackEntry::TrackType::Video, [&](Media::Matroska::TrackEntry const& track_entry) -> Media::DecoderErrorOr<IterationDecision> {
video_track = track_entry.track_number();
return IterationDecision::Break;
}));
VERIFY(video_track != 0);
auto iterator = MUST(matroska_reader.create_sample_iterator(video_track));
size_t frame_count = 0;
Media::Video::VP9::Decoder vp9_decoder;
while (frame_count <= expected_frame_count) {
auto block_result = iterator.next_block();
if (block_result.is_error() && block_result.error().category() == Media::DecoderErrorCategory::EndOfStream) {
VERIFY(frame_count == expected_frame_count);
return;
}
auto block = block_result.release_value();
for (auto const& frame : block.frames()) {
MUST(vp9_decoder.receive_sample(frame));
while (true) {
auto frame_result = vp9_decoder.get_decoded_frame();
if (frame_result.is_error()) {
if (frame_result.error().category() == Media::DecoderErrorCategory::NeedsMoreInput) {
break;
}
VERIFY_NOT_REACHED();
}
}
frame_count++;
}
}
VERIFY_NOT_REACHED();
}
TEST_CASE(webm_in_vp9)
{
decode_video("./vp9_in_webm.webm"sv, 25);
}
TEST_CASE(vp9_oob_blocks)
{
decode_video("./vp9_oob_blocks.webm"sv, 240);
}
TEST_CASE(vp9_malformed_frame)
{
Array test_inputs = {
"./oss-fuzz-testcase-52630.vp9"sv,
"./oss-fuzz-testcase-53977.vp9"sv,
"./oss-fuzz-testcase-62054.vp9"sv,
"./oss-fuzz-testcase-63182.vp9"sv
};
for (auto test_input : test_inputs) {
auto file = MUST(Core::MappedFile::map(test_input));
Media::Video::VP9::Decoder vp9_decoder;
auto maybe_decoder_error = vp9_decoder.receive_sample(file->bytes());
EXPECT(maybe_decoder_error.is_error());
}
}
BENCHMARK_CASE(vp9_4k)
{
decode_video("./vp9_4k.webm"sv, 2);
}
BENCHMARK_CASE(vp9_clamp_reference_mvs)
{
decode_video("./vp9_clamp_reference_mvs.webm"sv, 92);
}