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Code Issues Projects Releases Packages Wiki Activity Actions 9

VideoPlayer: Allow display of multiple frames by clicking the image

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For testing purposes, this allows opening of any filename by passing it
as an argument.

Additionally, there is a --benchmark option that will just call decode
for 100 frames and then exit, printing the time spent in the decoder.
This commit is contained in:
Zaggy1024 2022-09-25 17:23:16 -05:00 • committed by Andrew Kaster
parent 63ba01cad2
commit b71d13be82
Notes: sideshowbarker 2024-07-17 06:07:10 +09:00
1 changed files with 28 additions and 1 deletions
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29
Userland/Applications/VideoPlayer/main.cpp
View file

@ -4,6 +4,8 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/ElapsedTimer.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/ImageWidget.h>
@ -15,10 +17,23 @@
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
bool benchmark = false;
StringView filename = "/home/anon/Videos/test-webm.webm"sv;
Core::ArgsParser args_parser;
args_parser.add_option(benchmark, "Benchmark the video decoder.", "benchmark", 'b');
args_parser.add_positional_argument(filename, "The video file to display.", "filename", Core::ArgsParser::Required::No);
args_parser.parse(arguments);
auto app = TRY(GUI::Application::try_create(arguments));
auto window = TRY(GUI::Window::try_create());
auto document = Video::MatroskaReader::parse_matroska_from_file("/home/anon/Videos/test-webm.webm"sv);
auto document = Video::MatroskaReader::parse_matroska_from_file(filename);
// FIXME: MatroskaReader should use ErrorOr
if (!document) {
outln("{} could not be read", filename);
return 1;
}
auto const& optional_track = document->track_for_track_type(Video::TrackEntry::TrackType::Video);
if (!optional_track.has_value())
return 1;
@ -105,6 +120,18 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
frame_number++;
};
image_widget->set_fixed_size(video_track.pixel_width, video_track.pixel_height);
image_widget->on_click = [&]() { display_next_frame(); };
if (benchmark) {
auto timer = Core::ElapsedTimer::start_new();
for (auto i = 0; i < 100; i++)
display_next_frame();
auto elapsed_time = timer.elapsed_time();
outln("Decoding 100 frames took {} ms", elapsed_time.to_milliseconds());
return 0;
}
display_next_frame();
window->show();