mythvideooutputvulkan.cpp

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// MythTV
#include "mythlogging.h"
#include "mythmainwindow.h"
#include "osd.h"
#include "vulkan/mythwindowvulkan.h"
#include "vulkan/mythpaintervulkan.h"
#include "vulkan/mythdebugvulkan.h"
#include "vulkan/mythvideovulkan.h"
#include "vulkan/mythvideooutputvulkan.h"
 
#define LOC QString("VidOutVulkan: ")
 
VideoFrameTypes MythVideoOutputVulkan::s_vulkanFrameTypes =
{
    FMT_YV12,     FMT_NV12,      FMT_YUV422P,   FMT_YUV444P,
    FMT_YUV420P9, FMT_YUV420P10, FMT_YUV420P12, FMT_YUV420P14, FMT_YUV420P16,
    FMT_YUV422P9, FMT_YUV422P10, FMT_YUV422P12, FMT_YUV422P14, FMT_YUV422P16,
    FMT_YUV444P9, FMT_YUV444P10, FMT_YUV444P12, FMT_YUV444P14, FMT_YUV444P16,
    FMT_P010,     FMT_P016
};
 
void MythVideoOutputVulkan::GetRenderOptions(RenderOptions &Options)
{
    QStringList safe(VULKAN_RENDERER);
 
    (*Options.safe_renderers)["dummy"].append(safe);
    (*Options.safe_renderers)["ffmpeg"].append(safe);
 
    for (auto & decoder : *Options.decoders)
        if (decoder.endsWith("-dec"))
            (*Options.safe_renderers)[decoder].append(safe);
 
    Options.renderers->append(VULKAN_RENDERER);
    Options.priorities->insert(VULKAN_RENDERER, 75);
}
 
QStringList MythVideoOutputVulkan::GetAllowedRenderers(MythCodecID CodecId)
{
    QStringList allowed;
 
    if (MythRenderVulkan::GetVulkanRender() == nullptr)
        return allowed;
 
    if (codec_sw_copy(CodecId))
    {
        allowed << VULKAN_RENDERER;
        return allowed;
    }
 
    return allowed;
}
 
MythVideoOutputVulkan::MythVideoOutputVulkan(QString &Profile)
  : MythVideoOutputGPU(MythRenderVulkan::GetVulkanRender(), Profile),
    MythVulkanObject(MythRenderVulkan::GetVulkanRender())
{
    m_renderFrameTypes = &s_vulkanFrameTypes;
    m_render = MythVulkanObject::Render();
    if (IsValidVulkan())
    {
        m_video = new MythVideoVulkan(this, &m_videoColourSpace, this, QString {});
        if (m_video && !m_video->IsValid())
        {
            LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create valid Vulkan video");
            delete m_video;
            m_video = nullptr;
        }
    }
 
    if (!(IsValidVulkan() && m_painter && m_video))
        LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to initialise Vulkan video output");
}
 
bool MythVideoOutputVulkan::Init(const QSize VideoDim, const QSize VideoDispDim,
                                 float Aspect, const QRect DisplayVisibleRect, MythCodecID CodecId)
{
    if (!(IsValidVulkan() && m_painter && m_video))
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "Fatal error");
        return false;
    }
 
    if (!gCoreContext->IsUIThread())
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "Cannot initialise from this thread");
        return false;
    }
 
    if (!MythVideoOutputGPU::Init(VideoDim, VideoDispDim, Aspect, DisplayVisibleRect, CodecId))
        return false;
 
    return true;
}
 
void MythVideoOutputVulkan::PrepareFrame(MythVideoFrame* Frame, FrameScanType Scan)
{
    MythVideoOutputGPU::PrepareFrame(Frame, Scan);
}
 
void MythVideoOutputVulkan::RenderFrame(MythVideoFrame* Frame, FrameScanType Scan)
{
    if (!(IsValidVulkan() && m_video))
        return;
 
    // input changes need to be handled in ProcessFrame
    if (m_newCodecId != kCodec_NONE)
        return;
 
    // Start the frame...
    m_video->StartFrame();
 
    if (VERBOSE_LEVEL_CHECK(VB_GPU, LOG_INFO))
    {
        m_vulkanRender->BeginDebugRegion(m_vulkanWindow->currentCommandBuffer(),
                                         "RENDER_FRAME", MythDebugVulkan::s_DebugBlue);
    }
 
    // Actual render
    MythVideoOutputGPU::RenderFrame(Frame, Scan);
}
 
void MythVideoOutputVulkan::RenderEnd()
{
    if (!(IsValidVulkan()))
        return;
 
    if (VERBOSE_LEVEL_CHECK(VB_GPU, LOG_INFO))
        m_vulkanRender->EndDebugRegion(m_vulkanWindow->currentCommandBuffer());
}
 
void MythVideoOutputVulkan::EndFrame()
{
    if (m_video)
        m_video->EndFrame();
}