ladybird/Tests/LibVideo/TestVP9Decode.cpp
Zaggy1024 2dfd236dcd LibVideo: Propagate decoder errors in the Matroska Reader
Matroska::Reader functions now return DecoderErrorOr instead of values
being declared Optional. Useful errors can be handled by the users of
the parser, similarly to the VP9 decoder. A lot of the error checking
in the reader is a lot cleaner thanks to this change, since all reads
can be range checked in Streamer::read_octet() now.

Most functions for the Streamer class are now also out-of-line in
Reader.cpp now instead of residing in the header.
2022-11-25 23:28:39 +01:00

47 lines
1.5 KiB
C++

/*
* Copyright (c) 2022, Gregory Bertilson <zaggy1024@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <LibVideo/Containers/Matroska/Reader.h>
#include <LibVideo/VP9/Decoder.h>
static void decode_video(StringView path, size_t expected_frame_count)
{
auto matroska_document = MUST(Video::Matroska::Reader::parse_matroska_from_file(path));
auto video_track_optional = matroska_document->track_for_track_type(Video::Matroska::TrackEntry::TrackType::Video);
VERIFY(video_track_optional.has_value());
auto video_track_entry = video_track_optional.value();
size_t frame_count = 0;
size_t cluster_index, block_index, frame_index;
Video::VP9::Decoder vp9_decoder;
for (cluster_index = 0; cluster_index < matroska_document->clusters().size(); cluster_index++) {
auto const& cluster = matroska_document->clusters()[cluster_index];
for (block_index = 0; block_index < cluster.blocks().size(); block_index++) {
auto const& block = cluster.blocks()[block_index];
if (block.track_number() != video_track_entry.track_number())
continue;
for (frame_index = 0; frame_index < block.frames().size(); frame_index++) {
MUST(vp9_decoder.receive_sample(block.frames()[frame_index]));
frame_count++;
}
}
}
VERIFY(frame_count == expected_frame_count);
}
TEST_CASE(webm_in_vp9)
{
decode_video("./vp9_in_webm.webm"sv, 25);
}
BENCHMARK_CASE(vp9_4k)
{
decode_video("./vp9_4k.webm"sv, 2);
}