file_to_stream() [2/2]

BufferOperation MayaFlux::Kriya::BufferOperation::file_to_stream ( const std::shared_ptr< IO::IOManager > &  io_manager, const std::string &  filepath, std::shared_ptr< Kakshya::DynamicVideoStream >  target_stream, IO::VideoLoadConfig  config, uint32_t  cycle_count = 0, std::optional< Portal::Graphics::RenderConfig >  render = std::nullopt  )

static

Route frames from a video file to a dynamic video stream.

Parameters

render

Draws the video file while it routes when given.

Definition at line 242 of file BufferOperation.cpp.

{
    auto [video, audio] = io_manager->load_video(filepath, config);
    if (!video) {
        error<std::runtime_error>(Journal::Component::Kriya, Journal::Context::AsyncIO,
            std::source_location::current(), "Failed to load video file: {}", filepath);
    }
 
    if (render) {
        auto buffer = io_manager->hook_video_container_to_buffer(video);
        if (!buffer) {
            error<std::runtime_error>(Journal::Component::Kriya, Journal::Context::AsyncIO,
                std::source_location::current(), "Failed to hook video file to graphics buffer: {}", filepath);
        }
        detail::ensure_rendering(buffer, *render);
    }
 
    BufferOperation op(OpType::ROUTE, Buffers::ProcessingToken::GRAPHICS_BACKEND);
    op.m_source_graphics_stream = std::move(video);
    op.m_target_graphics_stream = std::move(target_stream);
    op.m_load_length = cycle_count;
    return op;
}

References MayaFlux::Journal::AsyncIO, buffer, MayaFlux::Kriya::detail::ensure_rendering(), MayaFlux::Buffers::GRAPHICS_BACKEND, MayaFlux::Journal::Kriya, m_load_length, m_source_graphics_stream, m_target_graphics_stream, and ROUTE.

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