/*
 *      Copyright (C) 2005-2013 Team XBMC
 *      http://xbmc.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with XBMC; see the file COPYING.  If not, see
 *  <http://www.gnu.org/licenses/>.
 *
 */

#include "Util.h"
#include "threads/Atomics.h"
#include "MMALRenderer.h"
#include "cores/VideoPlayer/DVDCodecs/Video/DVDVideoCodec.h"
#include "filesystem/File.h"
#include "settings/AdvancedSettings.h"
#include "settings/DisplaySettings.h"
#include "settings/MediaSettings.h"
#include "settings/Settings.h"
#include "threads/SingleLock.h"
#include "utils/log.h"
#include "utils/MathUtils.h"
#include "windowing/WindowingFactory.h"
#include "cores/VideoPlayer/DVDCodecs/Video/MMALCodec.h"
#include "xbmc/Application.h"
#include "linux/RBP.h"
#include "cores/VideoPlayer/DVDClock.h"

extern "C" {
#include "libavutil/imgutils.h"
}

#define VERBOSE 0

#undef CLASSNAME
#define CLASSNAME "CMMALPool"

CMMALPool::CMMALPool(const char *component_name, bool input, uint32_t num_buffers, uint32_t buffer_size, uint32_t encoding, MMALState state)
 :  m_input(input)
{
  MMAL_STATUS_T status;

  status = mmal_component_create(component_name, &m_component);
  if (status != MMAL_SUCCESS)
    CLog::Log(LOGERROR, "%s::%s Failed to create component %s", CLASSNAME, __func__, component_name);

  MMAL_PORT_T *port = m_input ? m_component->input[0] : m_component->output[0];

  // set up initial decoded frame format - may change from this
  port->format->encoding = encoding;

  status = mmal_port_parameter_set_boolean(port, MMAL_PARAMETER_ZERO_COPY, MMAL_TRUE);
  if (status != MMAL_SUCCESS)
    CLog::Log(LOGERROR, "%s::%s Failed to enable zero copy mode on %s (status=%x %s)", CLASSNAME, __func__, port->name, status, mmal_status_to_string(status));

  status = mmal_port_format_commit(port);
  if (status != MMAL_SUCCESS)
    CLog::Log(LOGERROR, "%s::%s Failed to commit format for %s (status=%x %s)", CLASSNAME, __func__, port->name, status, mmal_status_to_string(status));

  port->buffer_size = buffer_size;
  port->buffer_num = std::max(num_buffers, port->buffer_num_recommended);

  m_mmal_pool = mmal_port_pool_create(port, port->buffer_num, port->buffer_size);
  m_closing = false;
  m_software = false;
  m_processInfo = nullptr;
  m_mmal_format = 0;
  m_width = 0;
  m_height = 0;
  m_aligned_width = 0;
  m_aligned_height = 0;
  m_avctx = nullptr;
  m_dec = nullptr;
  m_state = state;
  if (!m_mmal_pool)
    CLog::Log(LOGERROR, "%s::%s Failed to create pool for port %s", CLASSNAME, __func__, port->name);
  else
    CLog::Log(LOGDEBUG, "%s::%s Created pool %p of size %d x %d for port %s", CLASSNAME, __func__, m_mmal_pool, num_buffers, buffer_size, port->name);
}

CMMALPool::~CMMALPool()
{
  MMAL_STATUS_T status;

  MMAL_PORT_T *port = m_input ? m_component->input[0] : m_component->output[0];
  CLog::Log(LOGDEBUG, "%s::%s Destroying pool %p for port %s", CLASSNAME, __func__, m_mmal_pool, port->name);

  if (port && port->is_enabled)
  {
    status = mmal_port_disable(port);
    if (status != MMAL_SUCCESS)
       CLog::Log(LOGERROR, "%s::%s Failed to disable port %s (status=%x %s)", CLASSNAME, __func__, port->name, status, mmal_status_to_string(status));
  }

  if (m_component && m_component->is_enabled)
  {
    status = mmal_component_disable(m_component);
    if (status != MMAL_SUCCESS)
      CLog::Log(LOGERROR, "%s::%s Failed to disable component %s (status=%x %s)", CLASSNAME, __func__, m_component->name, status, mmal_status_to_string(status));
  }

  if (m_component)
    mmal_component_destroy(m_component);
  m_component = nullptr;

  mmal_port_pool_destroy(port, m_mmal_pool);
  m_mmal_pool = nullptr;
  Close();
}

void CMMALPool::Close()
{
  CSingleLock lock(m_section);

  if (g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s - close %p", CLASSNAME, __FUNCTION__, m_mmal_pool);

  m_closing = true;
  while (!m_freeBuffers.empty())
  {
    CGPUMEM *gmem = m_freeBuffers.front();
    m_freeBuffers.pop_front();
    delete gmem;
  }
  assert(m_freeBuffers.empty());
}

CGPUMEM *CMMALPool::AllocateBuffer(uint32_t size_pic)
{
  CSingleLock lock(m_section);
  CGPUMEM *gmem = nullptr;
  while (!m_freeBuffers.empty())
  {
    gmem = m_freeBuffers.front();
    m_freeBuffers.pop_front();
    if (gmem->m_numbytes == size_pic)
      return gmem;
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s discarding gmem:%p size %d/%d", CLASSNAME, __FUNCTION__, gmem, gmem->m_numbytes, size_pic);
    delete gmem;
  }

  gmem = new CGPUMEM(size_pic, true);
  if (!gmem)
    CLog::Log(LOGERROR, "%s::%s GCPUMEM(%d) failed", CLASSNAME, __FUNCTION__, size_pic);
  return gmem;
}

void CMMALPool::ReleaseBuffer(CGPUMEM *gmem)
{
  CSingleLock lock(m_section);
  if (m_closing)
    delete gmem;
  else
    m_freeBuffers.push_back(gmem);
}

void CMMALPool::AlignedSize(AVCodecContext *avctx, uint32_t &width, uint32_t &height)
{
  if (!avctx)
    return;
  int w = width, h = height;
  AVFrame *picture = av_frame_alloc();
  int unaligned;
  int stride_align[AV_NUM_DATA_POINTERS];

  avcodec_align_dimensions2(avctx, &w, &h, stride_align);
  // gpu requirements
  w = (w + 31) & ~31;
  h = (h + 15) & ~15;

  do {
    // NOTE: do not align linesizes individually, this breaks e.g. assumptions
    // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
    av_image_fill_linesizes(picture->linesize, avctx->pix_fmt, w);
    // increase alignment of w for next try (rhs gives the lowest bit set in w)
    w += w & ~(w - 1);

    unaligned = 0;
    for (int i = 0; i < 4; i++)
      unaligned |= picture->linesize[i] % stride_align[i];
  } while (unaligned);
  width = w;
  height = h;
  av_frame_free(&picture);
}

CMMALBuffer *CMMALPool::GetBuffer(uint32_t timeout)
{
  MMAL_BUFFER_HEADER_T *mmal_buffer = nullptr;
  CMMALBuffer *omvb = nullptr;
  if (m_mmal_pool && m_mmal_pool->queue)
    mmal_buffer = mmal_queue_timedwait(m_mmal_pool->queue, timeout);
  if (mmal_buffer)
  {
    mmal_buffer_header_reset(mmal_buffer);
    mmal_buffer->cmd = 0;
    mmal_buffer->offset = 0;
    mmal_buffer->flags = 0;

    // ffmpeg requirements
    uint32_t aligned_width = m_aligned_width, aligned_height = m_aligned_height;
    AlignedSize(m_avctx, aligned_width, aligned_height);
    if (!IsSoftware())
    {
      CMMALVideoBuffer *vid = new CMMALVideoBuffer(static_cast<CMMALVideo *>(m_dec), shared_from_this());
      omvb = vid;
    }
    else
    {
      MMAL::CMMALYUVBuffer *yuv = new MMAL::CMMALYUVBuffer(static_cast<MMAL::CDecoder *>(m_dec), shared_from_this(), m_mmal_format, m_width, m_height, aligned_width, aligned_height, m_size);
      if (yuv)
      {
        CGPUMEM *gmem = yuv->gmem;
        mmal_buffer->data = (uint8_t *)gmem->m_vc_handle;
        mmal_buffer->alloc_size = gmem->m_numbytes;
      }
      omvb = yuv;
    }
    if (omvb)
    {
      omvb->m_rendered = false;
      omvb->m_state = m_state;
      mmal_buffer->user_data = omvb;
      omvb->mmal_buffer = mmal_buffer;
    }
  }
  if (timeout > 0 && (!omvb || !omvb->mmal_buffer))
    CLog::Log(LOGERROR, "%s::%s - failed pool:%p omvb:%p mmal:%p timeout:%d", CLASSNAME, __FUNCTION__, m_mmal_pool, omvb, mmal_buffer, timeout);
  else if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s - pool:%p omvb:%p mmal:%p timeout:%d", CLASSNAME, __FUNCTION__, m_mmal_pool, omvb, mmal_buffer, timeout);
  return omvb;
}

void CMMALPool::Prime()
{
  CMMALBuffer *omvb;
  if (!m_mmal_pool || !m_component)
    return;
  MMAL_PORT_T *port = m_input ? m_component->input[0] : m_component->output[0];
  while (omvb = GetBuffer(0), omvb)
  {
    if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s Send buffer %p from pool %p to %s len:%d cmd:%x flags:%x", CLASSNAME, __func__, omvb->mmal_buffer, m_mmal_pool, port->name, omvb->mmal_buffer->length, omvb->mmal_buffer->cmd, omvb->mmal_buffer->flags);
    MMAL_STATUS_T status = mmal_port_send_buffer(port, omvb->mmal_buffer);
    if (status != MMAL_SUCCESS)
      CLog::Log(LOGERROR, "%s::%s - Failed to send buffer %p from pool %p to %s (status=0%x %s)", CLASSNAME, __func__, omvb->mmal_buffer, m_mmal_pool, port->name, status, mmal_status_to_string(status));
  }
}

#undef CLASSNAME
#define CLASSNAME "CMMALRenderer"

CRenderInfo CMMALRenderer::GetRenderInfo()
{
  CSingleLock lock(m_sharedSection);
  CRenderInfo info;

  if (g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s opaque:%p", CLASSNAME, __func__, this);

  info.max_buffer_size = NUM_BUFFERS;
  info.optimal_buffer_size = NUM_BUFFERS;
  info.opaque_pointer = (void *)this;
  info.formats = m_formats;
  return info;
}

void CMMALRenderer::vout_input_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s omvb:%p mmal:%p dts:%.3f pts:%.3f len:%d cmd:%x flags:%x", CLASSNAME, __func__,
        buffer->user_data, buffer, buffer->dts*1e-6, buffer->pts*1e-6, buffer->length, buffer->cmd, buffer->flags);
  mmal_queue_put(m_queue_process, buffer);
}

static void vout_input_port_cb_static(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
  CMMALRenderer *mmal = reinterpret_cast<CMMALRenderer*>(port->userdata);
  mmal->vout_input_port_cb(port, buffer);
}

bool CMMALRenderer::CheckConfigurationVout(uint32_t width, uint32_t height, uint32_t aligned_width, uint32_t aligned_height, uint32_t encoding)
{
  MMAL_STATUS_T status;
  bool sizeChanged = width != m_vout_width || height != m_vout_height || aligned_width != m_vout_aligned_width || aligned_height != m_vout_aligned_height;
  bool encodingChanged = !m_vout_input || !m_vout_input->format || encoding != m_vout_input->format->encoding;

  if (!m_vout)
  {
    /* Create video renderer */
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s CreateRenderer", CLASSNAME, __func__);

    status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &m_vout);
    if(status != MMAL_SUCCESS)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to create vout component (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
      return false;
    }

    m_vout_input = m_vout->input[0];

    status = mmal_port_parameter_set_boolean(m_vout_input, MMAL_PARAMETER_ZERO_COPY, MMAL_TRUE);
    if (status != MMAL_SUCCESS)
       CLog::Log(LOGERROR, "%s::%s Failed to enable zero copy mode on %s (status=%x %s)", CLASSNAME, __func__, m_vout_input->name, status, mmal_status_to_string(status));

    m_vout_input->format->type = MMAL_ES_TYPE_VIDEO;
    if (CONF_FLAGS_YUVCOEF_MASK(m_iFlags) == CONF_FLAGS_YUVCOEF_BT709)
      m_vout_input->format->es->video.color_space = MMAL_COLOR_SPACE_ITUR_BT709;
    else if (CONF_FLAGS_YUVCOEF_MASK(m_iFlags) == CONF_FLAGS_YUVCOEF_BT601)
      m_vout_input->format->es->video.color_space = MMAL_COLOR_SPACE_ITUR_BT601;
    else if (CONF_FLAGS_YUVCOEF_MASK(m_iFlags) == CONF_FLAGS_YUVCOEF_240M)
      m_vout_input->format->es->video.color_space = MMAL_COLOR_SPACE_SMPTE240M;
  }

  if (m_vout_input && (sizeChanged || encodingChanged))
  {
    assert(m_vout_input != nullptr && m_vout_input->format != nullptr && m_vout_input->format->es != nullptr);
    CLog::Log(LOGDEBUG, "%s::%s Changing Vout dimensions from %dx%d (%dx%d) to %dx%d (%dx%d) %.4s", CLASSNAME, __func__,
        m_vout_input->format->es->video.crop.width, m_vout_input->format->es->video.crop.height,
        m_vout_input->format->es->video.width, m_vout_input->format->es->video.height, width, height, aligned_width, aligned_height, (char *)&encoding);

    // we need to disable port when encoding changes, but not if just resolution changes
    if (encodingChanged && m_vout_input->is_enabled)
    {
      status = mmal_port_disable(m_vout_input);
      if (status != MMAL_SUCCESS)
      {
        CLog::Log(LOGERROR, "%s::%s Failed to disable vout input port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
        return false;
      }
    }

    m_vout_width = width;
    m_vout_height = height;
    m_vout_aligned_width = aligned_width;
    m_vout_aligned_height = aligned_height;

    m_vout_input->format->es->video.crop.width = width;
    m_vout_input->format->es->video.crop.height = height;
    m_vout_input->format->es->video.width = aligned_width;
    m_vout_input->format->es->video.height = aligned_height;
    m_vout_input->format->encoding = encoding;

    status = mmal_port_format_commit(m_vout_input);
    if (status != MMAL_SUCCESS)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to commit vout input format (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
      return false;
    }

    if (!m_vout_input->is_enabled)
    {
      m_vout_input->buffer_num = MMAL_NUM_OUTPUT_BUFFERS;
      m_vout_input->buffer_size = m_vout_input->buffer_size_recommended;
      m_vout_input->userdata = (struct MMAL_PORT_USERDATA_T *)this;

      status = mmal_port_enable(m_vout_input, vout_input_port_cb_static);
      if (status != MMAL_SUCCESS)
      {
        CLog::Log(LOGERROR, "%s::%s Failed to enable vout input port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
        return false;
      }
    }
  }

  if (m_vout && !m_vout->is_enabled)
  {
    status = mmal_component_enable(m_vout);
    if(status != MMAL_SUCCESS)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to enable vout component (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
      return false;
    }

    if (!m_queue_render && !CSettings::GetInstance().GetBool("videoplayer.usedisplayasclock"))
    {
      m_queue_render = mmal_queue_create();
      Create();
    }
  }
  SetVideoRect(m_cachedSourceRect, m_cachedDestRect);
  return true;
}

CMMALRenderer::CMMALRenderer() : CThread("MMALRenderer"), m_processThread(this, "MMALProcess")
{
  CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);
  m_vout = NULL;
  m_vout_input = NULL;
  memset(m_buffers, 0, sizeof m_buffers);
  m_iFlags = 0;
  m_format = RENDER_FMT_NONE;
  m_bConfigured = false;
  m_iYV12RenderBuffer = 0;
  m_queue_render = nullptr;
  m_queue_process = nullptr;
  m_error = 0.0;
  m_fps = 0.0;
  m_lastPts = DVD_NOPTS_VALUE;
  m_frameInterval = 0.0;
  m_frameIntervalDiff = 1e5;
  m_vsync_count = ~0U;
  m_vout_width = 0;
  m_vout_height = 0;
  m_vout_aligned_width = 0;
  m_vout_aligned_height = 0;
  m_deint = NULL;
  m_deint_input = NULL;
  m_deint_output = NULL;
  m_deint_width = 0;
  m_deint_height = 0;
  m_deint_aligned_width = 0;
  m_deint_aligned_height = 0;
  m_cachedSourceRect.SetRect(0, 0, 0, 0);
  m_cachedDestRect.SetRect(0, 0, 0, 0);

  m_queue_process = mmal_queue_create();
  m_processThread.Create();
}

CMMALRenderer::~CMMALRenderer()
{
  CSingleLock lock(m_sharedSection);
  CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);
  UnInit();

  if (m_queue_process)
    mmal_queue_put(m_queue_process, &m_quitpacket);

  {
    // leave the lock to allow other threads to exit
    CSingleExit unlock(m_sharedSection);
    m_processThread.StopThread();
  }

  mmal_queue_destroy(m_queue_process);
  m_queue_process = nullptr;
}


void CMMALRenderer::Process()
{
  bool bStop = false;
  SetPriority(THREAD_PRIORITY_ABOVE_NORMAL);
  CLog::Log(LOGDEBUG, "%s::%s - starting", CLASSNAME, __func__);
  while (!bStop)
  {
    double dfps = g_graphicsContext.GetFPS();
    double fps = 0.0;
    double inc = 1.0;
    g_RBP.WaitVsync();

    CSingleLock lock(m_sharedSection);
    // if good enough framerate measure then use it
    if (dfps > 0.0 && m_frameInterval > 0.0 && m_frameIntervalDiff * 1e-6 < 1e-3)
    {
      fps = 1e6 / m_frameInterval;
      inc = fps / dfps;
      if (fabs(inc - 1.0) < 1e-2)
        inc = 1.0;
      else if (fabs(inc - 0.5) < 1e-2)
        inc = 0.5;
      else if (fabs(inc - 24.0/60.0) < 1e-2)
        inc = 24.0/60.0;
      if (m_deint)
        inc *= 2.0;
    }
    // This algorithm is basically making the decision according to Bresenham's line algorithm.  Imagine drawing a line where x-axis is display frames, and y-axis is video frames
    m_error += inc;
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - debug vsync:%d queue:%d fps:%.2f/%.2f/%.2f inc:%f diff:%f", CLASSNAME, __func__, g_RBP.LastVsync(), mmal_queue_length(m_queue_render), fps, m_fps, dfps, inc, m_error);
    // we may need to discard frames if queue length gets too high or video frame rate is above display frame rate
    while (mmal_queue_length(m_queue_render) > 2 || (mmal_queue_length(m_queue_render) > 1 && m_error > 1.0))
    {
      if (m_error > 1.0)
        m_error -= 1.0;
      MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(m_queue_render);
      if (buffer == &m_quitpacket)
        bStop = true;
      else if (buffer)
      {
        CMMALBuffer *omvb = (CMMALBuffer *)buffer->user_data;
        assert(buffer == omvb->mmal_buffer);
        omvb->Release();
        if (g_advancedSettings.CanLogComponent(LOGVIDEO))
          CLog::Log(LOGDEBUG, "%s::%s - discard buffer:%p vsync:%d queue:%d diff:%f", CLASSNAME, __func__, buffer, g_RBP.LastVsync(), mmal_queue_length(m_queue_render), m_error);
      }
    }
    // this is case where we would like to display a new frame
    if (m_error > 0.0)
    {
      m_error -= 1.0;
      MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(m_queue_render);
      if (buffer == &m_quitpacket)
        bStop = true;
      else if (buffer)
      {
        CMMALBuffer *omvb = (CMMALBuffer *)buffer->user_data;
        assert(buffer == omvb->mmal_buffer);
        CheckConfigurationVout(omvb->m_width, omvb->m_height, omvb->m_aligned_width, omvb->m_aligned_height, omvb->m_encoding);
        MMAL_STATUS_T status = mmal_port_send_buffer(m_vout_input, buffer);
        if (status != MMAL_SUCCESS)
          CLog::Log(LOGERROR, "%s::%s - Failed to send buffer %p to %s (status=0%x %s)", CLASSNAME, __func__, buffer, m_vout_input->name, status, mmal_status_to_string(status));
      }
      if (g_advancedSettings.CanLogComponent(LOGVIDEO))
        CLog::Log(LOGDEBUG, "%s::%s - buffer:%p vsync:%d queue:%d diff:%f", CLASSNAME, __func__, buffer, g_RBP.LastVsync(), mmal_queue_length(m_queue_render), m_error);
    }
  }
  CLog::Log(LOGDEBUG, "%s::%s - stopping", CLASSNAME, __func__);
}

void CMMALRenderer::Run()
{
  CLog::Log(LOGDEBUG, "%s::%s - starting", CLASSNAME, __func__);
  while (1)
  {
    bool prime = false;
    MMAL_BUFFER_HEADER_T *buffer = mmal_queue_wait(m_queue_process);
    assert(buffer);
    if (buffer == &m_quitpacket)
      break;
    CSingleLock lock(m_sharedSection);
    bool kept = false;

    CMMALBuffer *omvb = (CMMALBuffer *)buffer->user_data;
    if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s %s omvb:%p mmal:%p dts:%.3f pts:%.3f len:%d cmd:%x flags:%x encoding:%.4s", CLASSNAME, __func__,
         omvb ? omvb->GetStateName():"", omvb, buffer, buffer->dts*1e-6, buffer->pts*1e-6, buffer->length, buffer->cmd, buffer->flags, omvb ? (char *)&omvb->m_encoding:"");

    assert(omvb && buffer == omvb->mmal_buffer);
    assert(buffer->cmd == 0);
    assert(!(buffer->flags & (MMAL_BUFFER_HEADER_FLAG_EOS | MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED)));
    if (m_bConfigured)
    switch (omvb->m_state)
    {
    case MMALStateHWDec:
    case MMALStateFFDec:
    {
      if (buffer->length > 0)
      {
        EINTERLACEMETHOD last_interlace_method = m_interlace_method;
        EINTERLACEMETHOD interlace_method = CMediaSettings::GetInstance().GetCurrentVideoSettings().m_InterlaceMethod;
        if (interlace_method == VS_INTERLACEMETHOD_AUTO)
        {
          interlace_method = VS_INTERLACEMETHOD_MMAL_ADVANCED;
          // avoid advanced deinterlace when using software decode and HD resolution
          if (omvb->m_state == MMALStateFFDec && omvb->m_width * omvb->m_height > 720*576)
            interlace_method = VS_INTERLACEMETHOD_MMAL_BOB;
        }
        bool interlace = (omvb->mmal_buffer->flags & MMAL_BUFFER_HEADER_VIDEO_FLAG_INTERLACED) ? true:false;

        // advanced deinterlace requires 3 frames of context so disable when showing stills
        if (omvb->m_stills)
        {
          if (interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED)
             interlace_method = VS_INTERLACEMETHOD_MMAL_BOB;
           if (interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED_HALF)
             interlace_method = VS_INTERLACEMETHOD_MMAL_BOB_HALF;
        }

        // we don't keep up when running at 60fps in the background so switch to half rate
        if (!g_graphicsContext.IsFullScreenVideo())
        {
          if (interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED)
            interlace_method = VS_INTERLACEMETHOD_MMAL_ADVANCED_HALF;
          if (interlace_method == VS_INTERLACEMETHOD_MMAL_BOB)
            interlace_method = VS_INTERLACEMETHOD_MMAL_BOB_HALF;
        }

        if (interlace_method == VS_INTERLACEMETHOD_NONE)
        {
          if (m_deint_input)
            DestroyDeinterlace();
        }
        else if (m_deint_input || interlace)
          CheckConfigurationDeint(omvb->m_width, omvb->m_height, omvb->m_aligned_width, omvb->m_aligned_height, omvb->m_encoding, interlace_method);

        if (!m_deint_input)
          m_interlace_method = VS_INTERLACEMETHOD_NONE;

        if (last_interlace_method == m_interlace_method)
          ;
        else if (m_interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED)
          omvb->SetVideoDeintMethod("adv(x2)");
        else if (m_interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED_HALF)
          omvb->SetVideoDeintMethod("adv(x1)");
        else if (m_interlace_method == VS_INTERLACEMETHOD_MMAL_BOB)
          omvb->SetVideoDeintMethod("bob(x2)");
        else if (m_interlace_method == VS_INTERLACEMETHOD_MMAL_BOB_HALF)
          omvb->SetVideoDeintMethod("bob(x1)");
        else
          omvb->SetVideoDeintMethod("none");

        if (m_deint_input)
        {
          MMAL_STATUS_T status = mmal_port_send_buffer(m_deint_input, omvb->mmal_buffer);
          if (status != MMAL_SUCCESS)
            CLog::Log(LOGERROR, "%s::%s - Failed to send buffer %p to %s (status=0%x %s)", CLASSNAME, __func__, omvb->mmal_buffer, m_deint_input->name, status, mmal_status_to_string(status));
          else
            kept = true;
        }
        else if (m_queue_render)
        {
          mmal_queue_put(m_queue_render, omvb->mmal_buffer);
          kept = true;
        }
        else
        {
          CheckConfigurationVout(omvb->m_width, omvb->m_height, omvb->m_aligned_width, omvb->m_aligned_height, omvb->m_encoding);
          if (m_vout_input)
          {
            MMAL_STATUS_T status = mmal_port_send_buffer(m_vout_input, omvb->mmal_buffer);
            if (status != MMAL_SUCCESS)
              CLog::Log(LOGERROR, "%s::%s - Failed to send buffer %p to %s (status=0%x %s)", CLASSNAME, __func__, omvb->mmal_buffer, m_vout_input->name, status, mmal_status_to_string(status));
            else
              kept = true;
          }
        }
      }
      break;
    }
    case MMALStateDeint:
    {
      if (buffer->length > 0)
      {
        if (m_queue_render)
        {
          mmal_queue_put(m_queue_render, buffer);
          if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
            CLog::Log(LOGDEBUG, "%s::%s send %p to m_queue_render", CLASSNAME, __func__, omvb);
          kept = true;
        }
        else
        {
          CheckConfigurationVout(omvb->m_width, omvb->m_height, omvb->m_aligned_width, omvb->m_aligned_height, omvb->m_encoding);
          if (m_vout_input)
          {
            if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
              CLog::Log(LOGDEBUG, "%s::%s send %p to m_vout_input", CLASSNAME, __func__, omvb);
            MMAL_STATUS_T status = mmal_port_send_buffer(m_vout_input, buffer);
            if (status != MMAL_SUCCESS)
              CLog::Log(LOGERROR, "%s::%s - Failed to send buffer %p to %s (status=0%x %s)", CLASSNAME, __func__, buffer, m_vout_input->name, status, mmal_status_to_string(status));
            else
              kept = true;
          }
        }
      }
      else
      {
        prime = true;
      }
      break;
    }
    default: assert(0); break;
    }
    if (!kept)
    {
      if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
        CLog::Log(LOGDEBUG, "%s::%s %s Not kept: omvb:%p mmal:%p dts:%.3f pts:%.3f len:%d cmd:%x flags:%x encoding:%.4s", CLASSNAME, __func__,
          omvb ? omvb->GetStateName():"", omvb, buffer, buffer->dts*1e-6, buffer->pts*1e-6, buffer->length, buffer->cmd, buffer->flags, omvb ? (char *)&omvb->m_encoding:"");
      if (omvb)
        omvb->Release();
      else
      {
        mmal_buffer_header_reset(buffer);
        buffer->cmd = 0;
        mmal_buffer_header_release(buffer);
      }
    }
    if (prime && m_deint_output_pool)
     m_deint_output_pool->Prime();
  }
  CLog::Log(LOGDEBUG, "%s::%s - stopping", CLASSNAME, __func__);
}

void CMMALRenderer::UpdateFramerateStats(double pts)
{
  double diff = 0.0;
  if (m_lastPts != DVD_NOPTS_VALUE && pts != DVD_NOPTS_VALUE && pts - m_lastPts > 0.0 && pts - m_lastPts < DVD_SEC_TO_TIME(1./20.0))
  {
    diff = pts - m_lastPts;
    if (m_frameInterval == 0.0)
      m_frameInterval = diff;
    else if (diff > 0.0)
    {
      m_frameIntervalDiff = m_frameIntervalDiff * 0.9 + 0.1 * fabs(m_frameInterval - diff);
      m_frameInterval = m_frameInterval * 0.9 + diff * 0.1;
    }
  }
  if (pts != DVD_NOPTS_VALUE)
    m_lastPts = pts;
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s pts:%.3f diff:%.3f m_frameInterval:%.6f m_frameIntervalDiff:%.6f", CLASSNAME, __func__, pts*1e-6, diff * 1e-6 , m_frameInterval * 1e-6, m_frameIntervalDiff *1e-6);
}

void CMMALRenderer::AddVideoPictureHW(DVDVideoPicture& pic, int index)
{
  if (m_format != RENDER_FMT_MMAL)
  {
    assert(0);
    return;
  }

  CMMALBuffer *buffer = pic.MMALBuffer;
  assert(buffer);
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s MMAL - %p (%p) %i", CLASSNAME, __func__, buffer, buffer->mmal_buffer, index);

  m_buffers[index] = buffer->Acquire();
  UpdateFramerateStats(pic.pts);
}

bool CMMALRenderer::Configure(unsigned int width, unsigned int height, unsigned int d_width, unsigned int d_height, float fps, unsigned flags, ERenderFormat format, unsigned extended_format, unsigned int orientation)
{
  CSingleLock lock(m_sharedSection);
  ReleaseBuffers();

  m_sourceWidth  = width;
  m_sourceHeight = height;
  m_renderOrientation = orientation;

  m_fps = fps;
  m_iFlags = flags;
  m_error = 0.0;
  m_lastPts = DVD_NOPTS_VALUE;
  m_frameInterval = 0.0;
  m_frameIntervalDiff = 1e5;

  // cause SetVideoRect to trigger - needed after a hdmi mode change
  m_src_rect.SetRect(0, 0, 0, 0);
  m_dst_rect.SetRect(0, 0, 0, 0);

  CLog::Log(LOGDEBUG, "%s::%s - %dx%d->%dx%d@%.2f flags:%x format:%d ext:%x orient:%d", CLASSNAME, __func__, width, height, d_width, d_height, fps, flags, format, extended_format, orientation);
  if (format != RENDER_FMT_BYPASS && format != RENDER_FMT_MMAL)
  {
    CLog::Log(LOGERROR, "%s::%s - format:%d not supported", CLASSNAME, __func__, format);
    return false;
  }

  // calculate the input frame aspect ratio
  CalculateFrameAspectRatio(d_width, d_height);
  SetViewMode(CMediaSettings::GetInstance().GetCurrentVideoSettings().m_ViewMode);
  ManageRenderArea();

  m_format = format;
  m_bConfigured = true;
  return true;
}

int CMMALRenderer::GetImage(YV12Image *image, int source, bool readonly)
{
  if (!image || source < 0 || m_format != RENDER_FMT_MMAL)
  {
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - invalid: format:%d image:%p source:%d ro:%d", CLASSNAME, __func__, m_format, image, source, readonly);
    return -1;
  }
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s - MMAL: image:%p source:%d ro:%d", CLASSNAME, __func__, image, source, readonly);
  return source;
}

void CMMALRenderer::ReleaseBuffer(int idx)
{
  CSingleLock lock(m_sharedSection);
  if (m_format != RENDER_FMT_MMAL)
  {
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - not configured: source:%d", CLASSNAME, __func__, idx);
    return;
  }

  CMMALBuffer *omvb = m_buffers[idx];
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s - MMAL: source:%d omvb:%p mmal:%p", CLASSNAME, __func__, idx, omvb, omvb ? omvb->mmal_buffer:NULL);
  if (omvb)
    SAFE_RELEASE(m_buffers[idx]);
}

void CMMALRenderer::ReleaseImage(int source, bool preserve)
{
}

void CMMALRenderer::Reset()
{
  CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);
}

void CMMALRenderer::Flush()
{
  CSingleLock lock(m_sharedSection);
  CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);
  if (m_vout_input)
    mmal_port_flush(m_vout_input);
  ReleaseBuffers();
  m_iYV12RenderBuffer = 0;
}

void CMMALRenderer::Update()
{
  if (g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);
  if (!m_bConfigured) return;
  ManageRenderArea();
}

void CMMALRenderer::RenderUpdate(bool clear, DWORD flags, DWORD alpha)
{
  CSingleLock lock(m_sharedSection);
  int source = m_iYV12RenderBuffer;
  CMMALBuffer *omvb = nullptr;

  if (!m_bConfigured)
  {
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - not configured: clear:%d flags:%x alpha:%d source:%d", CLASSNAME, __func__, clear, flags, alpha, source);
    goto exit;
  }

  if (m_format == RENDER_FMT_MMAL)
    omvb = m_buffers[source];

  if (g_graphicsContext.GetStereoView() != RENDER_STEREO_VIEW_RIGHT)
  {
    ManageRenderArea();
    CRect view;
    CBaseRenderer::GetVideoRect(m_cachedSourceRect, m_cachedDestRect, view);
  }

  // we only want to upload frames once
  if (omvb && omvb->m_rendered)
  {
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - MMAL: clear:%d flags:%x alpha:%d source:%d omvb:%p mmal:%p mflags:%x skipping", CLASSNAME, __func__, clear, flags, alpha, source, omvb, omvb->mmal_buffer, omvb->mmal_buffer->flags);
    SetVideoRect(m_cachedSourceRect, m_cachedDestRect);
    goto exit;
  }

  if (m_format != RENDER_FMT_MMAL)
  {
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - bypass: clear:%d flags:%x alpha:%d source:%d format:%d", CLASSNAME, __func__, clear, flags, alpha, source, m_format);
    goto exit;
  }

  if (omvb && omvb->mmal_buffer)
  {
    if (flags & RENDER_FLAG_TOP)
      omvb->mmal_buffer->flags |= MMAL_BUFFER_HEADER_VIDEO_FLAG_INTERLACED | MMAL_BUFFER_HEADER_VIDEO_FLAG_TOP_FIELD_FIRST;
    else if (flags & RENDER_FLAG_BOT)
      omvb->mmal_buffer->flags |= MMAL_BUFFER_HEADER_VIDEO_FLAG_INTERLACED;
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - MMAL: clear:%d flags:%x alpha:%d source:%d omvb:%p mmal:%p mflags:%x encoding:%.4s", CLASSNAME, __func__, clear, flags, alpha, source, omvb, omvb->mmal_buffer, omvb->mmal_buffer->flags, (char *)&omvb->m_encoding);
    assert(omvb->mmal_buffer && omvb->mmal_buffer->data && omvb->mmal_buffer->length);
    omvb->Acquire();
    omvb->m_rendered = true;
    assert(omvb->mmal_buffer->user_data == omvb);
    mmal_queue_put(m_queue_process, omvb->mmal_buffer);
  }
  else
    CLog::Log(LOGDEBUG, "%s::%s - MMAL: No buffer to update clear:%d flags:%x alpha:%d source:%d omvb:%p mmal:%p", CLASSNAME, __func__, clear, flags, alpha, source, omvb, omvb ? omvb->mmal_buffer : nullptr);

exit:
   lock.Leave();
   uint32_t v = g_RBP.WaitVsync(m_vsync_count);
   // allow a frame of slop
   if (m_vsync_count == ~0U || !(v == m_vsync_count))
   {
     CLog::Log(LOGDEBUG, "%s::%s - vsync %d (+%d)", CLASSNAME, __func__, m_vsync_count, v - m_vsync_count);
     m_vsync_count = v + 1;
   }
   else
     m_vsync_count++;
}

void CMMALRenderer::FlipPage(int source)
{
  CSingleLock lock(m_sharedSection);
  if (!m_bConfigured || m_format != RENDER_FMT_MMAL)
  {
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s - not configured: source:%d format:%d", CLASSNAME, __func__, source, m_format);
    return;
  }

  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s - source:%d", CLASSNAME, __func__, source);

  m_iYV12RenderBuffer = source;
}

void CMMALRenderer::PreInit()
{
  CSingleLock lock(m_sharedSection);
  m_bConfigured = false;
  UnInit();

  m_iFlags = 0;

  CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);

  m_formats.clear();
  m_formats.push_back(RENDER_FMT_MMAL);
  m_formats.push_back(RENDER_FMT_BYPASS);

  memset(m_buffers, 0, sizeof m_buffers);
  m_iYV12RenderBuffer = 0;
  m_NumYV12Buffers = NUM_BUFFERS;
}

void CMMALRenderer::ReleaseBuffers()
{
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);
  for (int i=0; i<NUM_BUFFERS; i++)
    ReleaseBuffer(i);
}

void CMMALRenderer::UnInitMMAL()
{
  CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);

  if (m_queue_render)
  {
    mmal_queue_put(m_queue_render, &m_quitpacket);
    {
      // leave the lock to allow other threads to exit
      CSingleExit unlock(m_sharedSection);
      StopThread(true);
    }
    mmal_queue_destroy(m_queue_render);
    m_queue_render = nullptr;
  }

  if (m_vout)
  {
    mmal_component_disable(m_vout);
  }

  if (m_vout_input)
  {
    mmal_port_flush(m_vout_input);
    mmal_port_disable(m_vout_input);
  }

  ReleaseBuffers();

  m_vout_input = NULL;

  if (m_vout)
  {
    mmal_component_release(m_vout);
    m_vout = NULL;
  }

  m_src_rect.SetRect(0, 0, 0, 0);
  m_dst_rect.SetRect(0, 0, 0, 0);
  m_video_stereo_mode = RENDER_STEREO_MODE_OFF;
  m_display_stereo_mode = RENDER_STEREO_MODE_OFF;
  m_StereoInvert = false;
  m_vout_width = 0;
  m_vout_height = 0;
  m_vout_aligned_width = 0;
  m_vout_aligned_height = 0;
}

void CMMALRenderer::UnInit()
{
  CSingleLock lock(m_sharedSection);
  m_bConfigured = false;
  DestroyDeinterlace();
  UnInitMMAL();
  m_format = RENDER_FMT_NONE;
}

bool CMMALRenderer::RenderCapture(CRenderCapture* capture)
{
  if (!m_bConfigured)
    return false;

  CLog::Log(LOGDEBUG, "%s::%s - %p", CLASSNAME, __func__, capture);

  capture->BeginRender();
  capture->EndRender();

  return true;
}

//********************************************************************************************************
// YV12 Texture creation, deletion, copying + clearing
//********************************************************************************************************

bool CMMALRenderer::Supports(EINTERLACEMETHOD method)
{
  if (method == VS_INTERLACEMETHOD_AUTO)
    return true;
  if (method == VS_INTERLACEMETHOD_MMAL_ADVANCED)
    return true;
  if (method == VS_INTERLACEMETHOD_MMAL_ADVANCED_HALF)
    return true;
  if (method == VS_INTERLACEMETHOD_MMAL_BOB)
    return true;
  if (method == VS_INTERLACEMETHOD_MMAL_BOB_HALF)
    return true;

  return false;
}

bool CMMALRenderer::Supports(ERENDERFEATURE feature)
{
  if (feature == RENDERFEATURE_STRETCH         ||
      feature == RENDERFEATURE_ZOOM            ||
      feature == RENDERFEATURE_ROTATION        ||
      feature == RENDERFEATURE_VERTICAL_SHIFT  ||
      feature == RENDERFEATURE_PIXEL_RATIO)
    return true;

  return false;
}

bool CMMALRenderer::Supports(ESCALINGMETHOD method)
{
  return false;
}

void CMMALRenderer::SetVideoRect(const CRect& InSrcRect, const CRect& InDestRect)
{
  CSingleLock lock(m_sharedSection);

  if (!m_vout_input)
    return;

  CRect SrcRect = InSrcRect, DestRect = InDestRect;
  RENDER_STEREO_MODE video_stereo_mode = (m_iFlags & CONF_FLAGS_STEREO_MODE_SBS) ? RENDER_STEREO_MODE_SPLIT_VERTICAL :
                                         (m_iFlags & CONF_FLAGS_STEREO_MODE_TAB) ? RENDER_STEREO_MODE_SPLIT_HORIZONTAL : RENDER_STEREO_MODE_OFF;
  bool stereo_invert                   = (m_iFlags & CONF_FLAGS_STEREO_CADANCE_RIGHT_LEFT) ? true : false;
  RENDER_STEREO_MODE display_stereo_mode = g_graphicsContext.GetStereoMode();

  // ignore video stereo mode when 3D display mode is disabled
  if (display_stereo_mode == RENDER_STEREO_MODE_OFF)
    video_stereo_mode = RENDER_STEREO_MODE_OFF;

  // fix up transposed video
  if (m_renderOrientation == 90 || m_renderOrientation == 270)
  {
    float newWidth, newHeight;
    float aspectRatio = GetAspectRatio();
    // clamp width if too wide
    if (DestRect.Height() > DestRect.Width())
    {
      newWidth = DestRect.Width(); // clamp to the width of the old dest rect
      newHeight = newWidth * aspectRatio;
    }
    else // else clamp to height
    {
      newHeight = DestRect.Height(); // clamp to the height of the old dest rect
      newWidth = newHeight / aspectRatio;
    }

    // calculate the center point of the view and offsets
    float centerX = DestRect.x1 + DestRect.Width() * 0.5f;
    float centerY = DestRect.y1 + DestRect.Height() * 0.5f;
    float diffX = newWidth * 0.5f;
    float diffY = newHeight * 0.5f;

    DestRect.x1 = centerX - diffX;
    DestRect.x2 = centerX + diffX;
    DestRect.y1 = centerY - diffY;
    DestRect.y2 = centerY + diffY;
  }

  // check if destination rect or video view mode has changed
  if (!(m_dst_rect != DestRect) && !(m_src_rect != SrcRect) && m_video_stereo_mode == video_stereo_mode && m_display_stereo_mode == display_stereo_mode && m_StereoInvert == stereo_invert)
    return;

  CLog::Log(LOGDEBUG, "%s::%s %d,%d,%d,%d -> %d,%d,%d,%d (o:%d v:%d d:%d i:%d)", CLASSNAME, __func__,
      (int)SrcRect.x1, (int)SrcRect.y1, (int)SrcRect.x2, (int)SrcRect.y2,
      (int)DestRect.x1, (int)DestRect.y1, (int)DestRect.x2, (int)DestRect.y2,
      m_renderOrientation, video_stereo_mode, display_stereo_mode, stereo_invert);

  m_src_rect = SrcRect;
  m_dst_rect = DestRect;
  m_video_stereo_mode = video_stereo_mode;
  m_display_stereo_mode = display_stereo_mode;
  m_StereoInvert = stereo_invert;

  // might need to scale up m_dst_rect to display size as video decodes
  // to separate video plane that is at display size.
  RESOLUTION res = g_graphicsContext.GetVideoResolution();
  CRect gui(0, 0, CDisplaySettings::GetInstance().GetResolutionInfo(res).iWidth, CDisplaySettings::GetInstance().GetResolutionInfo(res).iHeight);
  CRect display(0, 0, CDisplaySettings::GetInstance().GetResolutionInfo(res).iScreenWidth, CDisplaySettings::GetInstance().GetResolutionInfo(res).iScreenHeight);

  if (display_stereo_mode == RENDER_STEREO_MODE_SPLIT_VERTICAL)
  {
    float width = DestRect.x2 - DestRect.x1;
    DestRect.x1 *= 2.0f;
    DestRect.x2 = DestRect.x1 + 2.0f * width;
  }
  else if (display_stereo_mode == RENDER_STEREO_MODE_SPLIT_HORIZONTAL)
  {
    float height = DestRect.y2 - DestRect.y1;
    DestRect.y1 *= 2.0f;
    DestRect.y2 = DestRect.y1 + 2.0f * height;
  }

  if (gui != display)
  {
    float xscale = display.Width()  / gui.Width();
    float yscale = display.Height() / gui.Height();
    DestRect.x1 *= xscale;
    DestRect.x2 *= xscale;
    DestRect.y1 *= yscale;
    DestRect.y2 *= yscale;
  }

  MMAL_DISPLAYREGION_T region;
  memset(&region, 0, sizeof region);

  region.set                 = MMAL_DISPLAY_SET_DEST_RECT|MMAL_DISPLAY_SET_SRC_RECT|MMAL_DISPLAY_SET_FULLSCREEN|MMAL_DISPLAY_SET_NOASPECT|MMAL_DISPLAY_SET_MODE|MMAL_DISPLAY_SET_TRANSFORM;
  region.dest_rect.x         = lrintf(DestRect.x1);
  region.dest_rect.y         = lrintf(DestRect.y1);
  region.dest_rect.width     = lrintf(DestRect.Width());
  region.dest_rect.height    = lrintf(DestRect.Height());

  region.src_rect.x          = lrintf(SrcRect.x1);
  region.src_rect.y          = lrintf(SrcRect.y1);
  region.src_rect.width      = lrintf(SrcRect.Width());
  region.src_rect.height     = lrintf(SrcRect.Height());

  region.fullscreen = MMAL_FALSE;
  region.noaspect = MMAL_TRUE;
  region.mode = MMAL_DISPLAY_MODE_LETTERBOX;

  if (m_renderOrientation == 90)
    region.transform = MMAL_DISPLAY_ROT90;
  else if (m_renderOrientation == 180)
    region.transform = MMAL_DISPLAY_ROT180;
  else if (m_renderOrientation == 270)
    region.transform = MMAL_DISPLAY_ROT270;
  else
    region.transform = MMAL_DISPLAY_ROT0;

  if (m_video_stereo_mode == RENDER_STEREO_MODE_SPLIT_HORIZONTAL)
    region.transform = (MMAL_DISPLAYTRANSFORM_T)(region.transform | DISPMANX_STEREOSCOPIC_TB);
  else if (m_video_stereo_mode == RENDER_STEREO_MODE_SPLIT_VERTICAL)
    region.transform = (MMAL_DISPLAYTRANSFORM_T)(region.transform | DISPMANX_STEREOSCOPIC_SBS);
  else
    region.transform = (MMAL_DISPLAYTRANSFORM_T)(region.transform | DISPMANX_STEREOSCOPIC_MONO);

  if (m_StereoInvert)
    region.transform = (MMAL_DISPLAYTRANSFORM_T)(region.transform | DISPMANX_STEREOSCOPIC_INVERT);

  MMAL_STATUS_T status = mmal_util_set_display_region(m_vout_input, &region);
  if (status != MMAL_SUCCESS)
    CLog::Log(LOGERROR, "%s::%s Failed to set display region (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));

  CLog::Log(LOGDEBUG, "%s::%s %d,%d,%d,%d -> %d,%d,%d,%d t:%x", CLASSNAME, __func__,
      region.src_rect.x, region.src_rect.y, region.src_rect.width, region.src_rect.height,
      region.dest_rect.x, region.dest_rect.y, region.dest_rect.width, region.dest_rect.height, region.transform);
}

void CMMALRenderer::deint_input_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s omvb:%p mmal:%p dts:%.3f pts:%.3f len:%d cmd:%x flags:%x", CLASSNAME, __func__,
        buffer->user_data, buffer, buffer->dts*1e-6, buffer->pts*1e-6, buffer->length, buffer->cmd, buffer->flags);
  mmal_queue_put(m_queue_process, buffer);
}

static void deint_input_port_cb_static(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
  CMMALRenderer *mmal = reinterpret_cast<CMMALRenderer*>(port->userdata);
  mmal->deint_input_port_cb(port, buffer);
}

void CMMALRenderer::deint_output_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
  if (VERBOSE && g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s omvb:%p mmal:%p dts:%.3f pts:%.3f len:%d cmd:%x flags:%x", CLASSNAME, __func__,
        buffer->user_data, buffer, buffer->dts*1e-6, buffer->pts*1e-6, buffer->length, buffer->cmd, buffer->flags);
  mmal_queue_put(m_queue_process, buffer);
}

static void deint_output_port_cb_static(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
  CMMALRenderer *mmal = reinterpret_cast<CMMALRenderer*>(port->userdata);
  mmal->deint_output_port_cb(port, buffer);
}

void CMMALRenderer::DestroyDeinterlace()
{
  MMAL_STATUS_T status;

  if (g_advancedSettings.CanLogComponent(LOGVIDEO))
    CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);

  // (lazily) destroy pool first so new buffers aren't allocated when flushing
  m_deint_output_pool = nullptr;

  if (m_deint_input && m_deint_input->is_enabled)
  {
    status = mmal_port_disable(m_deint_input);
    if (status != MMAL_SUCCESS)
      CLog::Log(LOGERROR, "%s::%s Failed to disable deinterlace input port(status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
  }
  m_deint_input = nullptr;
  if (m_deint_output && m_deint_output->is_enabled)
  {
    status = mmal_port_disable(m_deint_output);
    if (status != MMAL_SUCCESS)
      CLog::Log(LOGERROR, "%s::%s Failed to disable deinterlace output port(status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
  }
  m_deint_output = nullptr;
  m_interlace_method = VS_INTERLACEMETHOD_MAX;
  m_deint_width = 0;
  m_deint_height = 0;
  m_deint_aligned_width = 0;
  m_deint_aligned_height = 0;
  m_deint = nullptr;
}

bool CMMALRenderer::CheckConfigurationDeint(uint32_t width, uint32_t height, uint32_t aligned_width, uint32_t aligned_height, uint32_t encoding, EINTERLACEMETHOD interlace_method)
{
  MMAL_STATUS_T status;
  bool sizeChanged = width != m_deint_width || height != m_deint_height || aligned_width != m_deint_aligned_width || aligned_height != m_deint_aligned_height;
  bool deinterlaceChanged = interlace_method != m_interlace_method;
  bool encodingChanged = !m_deint_input || !m_deint_input->format || m_deint_input->format->encoding != encoding;
  bool advanced_deinterlace = interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED || interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED_HALF;
  bool half_framerate = interlace_method == VS_INTERLACEMETHOD_MMAL_ADVANCED_HALF || interlace_method == VS_INTERLACEMETHOD_MMAL_BOB_HALF;

  if (!m_bConfigured)
  {
    CLog::Log(LOGDEBUG, "%s::%s Unconfigured", CLASSNAME, __func__);
    return false;
  }

  if (!m_deint)
  {
    if (g_advancedSettings.CanLogComponent(LOGVIDEO))
      CLog::Log(LOGDEBUG, "%s::%s CreateDeinterlace", CLASSNAME, __func__);

    /* Create deinterlace component with attached pool */
    m_deint_output_pool = std::make_shared<CMMALPool>("vc.ril.image_fx", false, 3, 0, MMAL_ENCODING_I420, MMALStateDeint);
    if (!m_deint_output_pool)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to create pool for deint output", CLASSNAME, __func__);
      return false;
    }

    m_deint = m_deint_output_pool->GetComponent();
    m_deint_output = m_deint->output[0];
    m_deint_input = m_deint->input[0];

    status = mmal_port_parameter_set_boolean(m_deint_input, MMAL_PARAMETER_ZERO_COPY, MMAL_TRUE);
    if (status != MMAL_SUCCESS)
      CLog::Log(LOGERROR, "%s::%s Failed to enable zero copy mode on %s (status=%x %s)", CLASSNAME, __func__, m_deint_input->name, status, mmal_status_to_string(status));
  }

  if (m_deint_input && (sizeChanged || deinterlaceChanged || encodingChanged))
  {
    assert(m_deint_input != nullptr && m_deint_input->format != nullptr && m_deint_input->format->es != nullptr);
    CLog::Log(LOGDEBUG, "%s::%s Changing Deint dimensions from %dx%d (%dx%d) to %dx%d (%dx%d) %.4s->%.4s mode %d->%d", CLASSNAME, __func__,
        m_deint_input->format->es->video.crop.width, m_deint_input->format->es->video.crop.height,
        m_deint_input->format->es->video.width, m_deint_input->format->es->video.height, width, height, aligned_width, aligned_height,
        (char *)&m_deint_input->format->encoding, (char *)&encoding, m_interlace_method, interlace_method);

    // we need to disable port when parameters change
    if (m_deint_input && m_deint_input->is_enabled)
    {
      status = mmal_port_disable(m_deint_input);
      if (status != MMAL_SUCCESS)
      {
        CLog::Log(LOGERROR, "%s::%s Failed to disable deint input port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
        return false;
      }
    }
  }

  if (m_deint_output && (sizeChanged || deinterlaceChanged || encodingChanged))
  {
    if (m_deint_output && m_deint_output->is_enabled)
    {
      status = mmal_port_disable(m_deint_output);
      if (status != MMAL_SUCCESS)
      {
        CLog::Log(LOGERROR, "%s::%s Failed to disable deint output port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
        return false;
      }
    }
  }

  if (m_deint_input && (sizeChanged || deinterlaceChanged || encodingChanged))
  {
    m_deint_width = width;
    m_deint_height = height;
    m_deint_aligned_width = aligned_width;
    m_deint_aligned_height = aligned_height;

    m_deint_input->format->es->video.crop.width = width;
    m_deint_input->format->es->video.crop.height = height;
    m_deint_input->format->es->video.width = aligned_width;
    m_deint_input->format->es->video.height = aligned_height;
    m_deint_input->format->encoding = encoding;

    status = mmal_port_format_commit(m_deint_input);
    if (status != MMAL_SUCCESS)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to commit deint input format (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
      return false;
    }

    if (!m_deint_input->is_enabled)
    {
      m_deint_input->buffer_num = MMAL_NUM_OUTPUT_BUFFERS;
      m_deint_input->buffer_size = m_deint_input->buffer_size_recommended;
      m_deint_input->userdata = (struct MMAL_PORT_USERDATA_T *)this;

      status = mmal_port_enable(m_deint_input, deint_input_port_cb_static);
      if (status != MMAL_SUCCESS)
      {
        CLog::Log(LOGERROR, "%s::%s Failed to enable deint input port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
        return false;
      }
    }
  }

  if (m_deint_output && (sizeChanged || deinterlaceChanged || encodingChanged))
  {
    MMAL_PARAMETER_IMAGEFX_PARAMETERS_T imfx_param = {{MMAL_PARAMETER_IMAGE_EFFECT_PARAMETERS, sizeof(imfx_param)},
          advanced_deinterlace ? MMAL_PARAM_IMAGEFX_DEINTERLACE_ADV : MMAL_PARAM_IMAGEFX_DEINTERLACE_FAST, 4, {5, 0, half_framerate, 1 }};

    status = mmal_port_parameter_set(m_deint_output, &imfx_param.hdr);
    if (status != MMAL_SUCCESS)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to set deinterlace parameters (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
      return false;
    }

    // Image_fx assumed 3 frames of context. simple deinterlace doesn't require this
    status = mmal_port_parameter_set_uint32(m_deint_input, MMAL_PARAMETER_EXTRA_BUFFERS, 6 - 5 + advanced_deinterlace ? 2:0);
    if (status != MMAL_SUCCESS)
      CLog::Log(LOGERROR, "%s::%s Failed to enable extra buffers on %s (status=%x %s)", CLASSNAME, __func__, m_deint_input->name, status, mmal_status_to_string(status));
  }

  if (m_deint_output && (sizeChanged || deinterlaceChanged || encodingChanged))
  {
    m_deint_output->format->es->video.crop.width = width;
    m_deint_output->format->es->video.crop.height = height;
    m_deint_output->format->es->video.width = ALIGN_UP(width, 32);
    m_deint_output->format->es->video.height = ALIGN_UP(height, 16);
    m_deint_output->format->encoding = advanced_deinterlace ? MMAL_ENCODING_YUVUV128 : MMAL_ENCODING_I420;

    status = mmal_port_format_commit(m_deint_output);
    if (status != MMAL_SUCCESS)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to commit deint output format (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
      return false;
    }

    if (!m_deint_output->is_enabled)
    {
      m_deint_output->buffer_num = 3;
      m_deint_output->buffer_size = m_deint_output->buffer_size_recommended;
      m_deint_output->userdata = (struct MMAL_PORT_USERDATA_T *)this;

      status = mmal_port_enable(m_deint_output, deint_output_port_cb_static);
      if (status != MMAL_SUCCESS)
      {
        CLog::Log(LOGERROR, "%s::%s Failed to enable deint output port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
        return false;
      }
    }
    if (m_deint_output_pool)
      m_deint_output_pool->SetFormat(m_deint_output->format->encoding,
        m_deint_output->format->es->video.crop.width, m_deint_output->format->es->video.crop.height,
        m_deint_output->format->es->video.width, m_deint_output->format->es->video.height, m_deint_output->buffer_size, nullptr);
  }

  if (m_deint && !m_deint->is_enabled)
  {
    status = mmal_component_enable(m_deint);
    if (status != MMAL_SUCCESS)
    {
      CLog::Log(LOGERROR, "%s::%s Failed to enable deinterlacer component %s (status=%x %s)", CLASSNAME, __func__, m_deint->name, status, mmal_status_to_string(status));
      return false;
    }
  }
  m_interlace_method = interlace_method;

  // give buffers to deint
  if (m_deint_output_pool)
    m_deint_output_pool->Prime();
  return true;
}