コード例 #1
0
ファイル: TestEndianSwap.cpp プロジェクト: 0xheart0/xbmc
TEST(TestEndianSwap, Endian_SwapLE32)
{
  uint32_t ref, var;
  ref = 0x00FF00FF;
  var = Endian_SwapLE32(0x00FF00FF);
  EXPECT_EQ(ref, var);
}
コード例 #2
0
ファイル: XBTFReader.cpp プロジェクト: 0xheart0/xbmc
static bool ReadUInt32(FILE* file, uint32_t& value)
{
  if (file == nullptr)
    return false;

  if (fread(&value, sizeof(uint32_t), 1, file) != 1)
    return false;

  value = Endian_SwapLE32(value);
  return true;
}
コード例 #3
0
CDVDOverlay* CDVDOverlayCodecFFmpeg::GetOverlay()
{
  if(m_SubtitleIndex<0)
    return NULL;

  if(m_Subtitle.num_rects == 0 && m_SubtitleIndex == 0)
  {
    // we must add an empty overlay to replace the previous one
    CDVDOverlay* o = new CDVDOverlay(DVDOVERLAY_TYPE_NONE);
    o->iPTSStartTime = m_StartTime;
    o->iPTSStopTime  = 0;
    o->replace  = true;
    m_SubtitleIndex++;
    return o;
  }

  if(m_Subtitle.format == 0)
  {
    if(m_SubtitleIndex >= (int)m_Subtitle.num_rects)
      return NULL;

    if(m_Subtitle.rects[m_SubtitleIndex] == NULL)
      return NULL;

    AVSubtitleRect& rect = *m_Subtitle.rects[m_SubtitleIndex];
    if (rect.pict.data[0] == NULL)
      return NULL;

    CDVDOverlayImage* overlay = new CDVDOverlayImage();

    overlay->iPTSStartTime = m_StartTime;
    overlay->iPTSStopTime  = m_StopTime;
    overlay->replace  = true;
    overlay->linesize = rect.w;
    overlay->data     = (uint8_t*)malloc(rect.w * rect.h);
    overlay->palette  = (uint32_t*)malloc(rect.nb_colors*4);
    overlay->palette_colors = rect.nb_colors;
    overlay->x        = rect.x;
    overlay->y        = rect.y;
    overlay->width    = rect.w;
    overlay->height   = rect.h;
    overlay->bForced  = rect.flags != 0;

    int right  = overlay->x + overlay->width;
    int bottom = overlay->y + overlay->height;

    if(m_height == 0 && m_pCodecContext->height)
      m_height = m_pCodecContext->height;
    if(m_width  == 0 && m_pCodecContext->width)
      m_width  = m_pCodecContext->width;

    if(bottom > m_height)
    {
      if     (bottom <= 480)
        m_height      = 480;
      else if(bottom <= 576)
        m_height      = 576;
      else if(bottom <= 720)
        m_height      = 720;
      else if(bottom <= 1080)
        m_height      = 1080;
      else
        m_height      = bottom;
    }
    if(right > m_width)
    {
      if     (right <= 720)
        m_width      = 720;
      else if(right <= 1024)
        m_width      = 1024;
      else if(right <= 1280)
        m_width      = 1280;
      else if(right <= 1920)
        m_width      = 1920;
      else
        m_width      = right;
    }

    overlay->source_width  = m_width;
    overlay->source_height = m_height;

    uint8_t* s = rect.pict.data[0];
    uint8_t* t = overlay->data;
    for(int i=0;i<rect.h;i++)
    {
      memcpy(t, s, rect.w);
      s += rect.pict.linesize[0];
      t += overlay->linesize;
    }

    for(int i=0;i<rect.nb_colors;i++)
      overlay->palette[i] = Endian_SwapLE32(((uint32_t *)rect.pict.data[1])[i]);

    av_free(rect.pict.data[0]);
    av_free(rect.pict.data[1]);
    av_freep(&m_Subtitle.rects[m_SubtitleIndex]);
    m_SubtitleIndex++;

    return overlay;
  }

  return NULL;
}
コード例 #4
0
ファイル: DVDOverlayCodecFFmpeg.cpp プロジェクト: Jdad/xbmc
CDVDOverlay* CDVDOverlayCodecFFmpeg::GetOverlay()
{
  if(m_SubtitleIndex<0)
    return NULL;

  if(m_Subtitle.num_rects == 0 && m_SubtitleIndex == 0)
  {
    // we must add an empty overlay to replace the previous one
    CDVDOverlay* o = new CDVDOverlay(DVDOVERLAY_TYPE_NONE);
    o->iPTSStartTime = m_StartTime;
    o->iPTSStopTime  = 0;
    o->replace  = true;
    m_SubtitleIndex++;
    return o;
  }

  if(m_Subtitle.format == 0)
  {
    if(m_SubtitleIndex >= (int)m_Subtitle.num_rects)
      return NULL;

    if(m_Subtitle.rects[m_SubtitleIndex] == NULL)
      return NULL;
    AVSubtitleRect& rect = *m_Subtitle.rects[m_SubtitleIndex];

    CDVDOverlayImage* overlay = new CDVDOverlayImage();

    overlay->iPTSStartTime = m_StartTime;
    overlay->iPTSStopTime  = m_StopTime;
    overlay->replace  = true;
    overlay->linesize = rect.w;
    overlay->data     = (BYTE*)malloc(rect.w * rect.h);
    overlay->palette  = (uint32_t*)malloc(rect.nb_colors*4);
    overlay->palette_colors = rect.nb_colors;
    overlay->x        = rect.x;
    overlay->y        = rect.y;
    overlay->width    = rect.w;
    overlay->height   = rect.h;

#if (defined(LIBAVCODEC_FROM_FFMPEG) && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54,71,100)) || \
    (defined(LIBAVCODEC_FROM_LIBAV)  && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54,33,0))
    // ffmpeg commit: 1885ffb03d0af28e6bac2bcc8725fa15b93f6ac9 (Nov 3 2012)
    //       release: 1.1 (Jan 7 2013)
    // libav  commit: 85f67c4865d8014ded2aaa64b3cba6e2970342d7 (Oct 20 2012)
    //       release: v9 (Jan 5 2013)
    overlay->bForced  = rect.flags != 0;
#endif

    int right  = overlay->x + overlay->width;
    int bottom = overlay->y + overlay->height;

    if(m_height == 0 && m_pCodecContext->height)
      m_height = m_pCodecContext->height;
    if(m_width  == 0 && m_pCodecContext->width)
      m_width  = m_pCodecContext->width;

    if(bottom > m_height)
    {
      if     (bottom <= 480)
        m_height      = 480;
      else if(bottom <= 576)
        m_height      = 576;
      else if(bottom <= 720)
        m_height      = 720;
      else if(bottom <= 1080)
        m_height      = 1080;
      else
        m_height      = bottom;
    }
    if(right > m_width)
    {
      if     (right <= 720)
        m_width      = 720;
      else if(right <= 1024)
        m_width      = 1024;
      else if(right <= 1280)
        m_width      = 1280;
      else if(right <= 1920)
        m_width      = 1920;
      else
        m_width      = right;
    }

    overlay->source_width  = m_width;
    overlay->source_height = m_height;

    BYTE* s = rect.pict.data[0];
    BYTE* t = overlay->data;
    for(int i=0;i<rect.h;i++)
    {
      memcpy(t, s, rect.w);
      s += rect.pict.linesize[0];
      t += overlay->linesize;
    }

    for(int i=0;i<rect.nb_colors;i++)
      overlay->palette[i] = Endian_SwapLE32(((uint32_t *)rect.pict.data[1])[i]);

    m_dllAvUtil.av_free(rect.pict.data[0]);
    m_dllAvUtil.av_free(rect.pict.data[1]);
    m_dllAvUtil.av_freep(&m_Subtitle.rects[m_SubtitleIndex]);
    m_SubtitleIndex++;

    return overlay;
  }

  return NULL;
}
コード例 #5
0
CDVDOverlay* CDVDOverlayCodecFFmpeg::GetOverlay()
{
  if(m_SubtitleIndex<0)
    return NULL;

  if(m_Subtitle.num_rects == 0 && m_SubtitleIndex == 0)
  {
    // we must add an empty overlay to replace the previous one
    CDVDOverlay* o = new CDVDOverlay(DVDOVERLAY_TYPE_NONE);
    o->iPTSStartTime = m_StartTime;
    o->iPTSStopTime  = 0;
    o->replace  = true;
    m_SubtitleIndex++;
    return o;
  }

  if(m_Subtitle.format == 0)
  {
    if(m_SubtitleIndex >= (int)m_Subtitle.num_rects)
      return NULL;

    if(m_Subtitle.rects[m_SubtitleIndex] == NULL)
      return NULL;

    AVSubtitleRect rect = *m_Subtitle.rects[m_SubtitleIndex];
    if (rect.data[0] == NULL)
      return NULL;

    m_height = m_pCodecContext->height;
    m_width  = m_pCodecContext->width;

    if (m_pCodecContext->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
    {
      // ETSI EN 300 743 V1.3.1
      // 5.3.1
      // Absence of a DDS in a stream implies that the stream is coded in accordance with EN 300 743 (V1.2.1) [5] and that a
      // display width of 720 pixels and a display height of 576 lines may be assumed.
      if (!m_height && !m_width)
      {
        m_width = 720;
        m_height = 576;
      }
    }

    RENDER_STEREO_MODE render_stereo_mode = g_graphicsContext.GetStereoMode();
    if (render_stereo_mode != RENDER_STEREO_MODE_OFF)
    {
      if (rect.h > m_height / 2)
      {
        m_height /= 2;
        rect.h /= 2;
      }
      else if (rect.w > m_width / 2)
      {
        m_width /= 2;
        rect.w /= 2;
      }
    }

    CDVDOverlayImage* overlay = new CDVDOverlayImage();

    overlay->iPTSStartTime = m_StartTime;
    overlay->iPTSStopTime  = m_StopTime;
    overlay->replace  = true;
    overlay->linesize = rect.w;
    overlay->data     = (uint8_t*)malloc(rect.w * rect.h);
    overlay->palette  = (uint32_t*)malloc(rect.nb_colors*4);
    overlay->palette_colors = rect.nb_colors;
    overlay->x        = rect.x;
    overlay->y        = rect.y;
    overlay->width    = rect.w;
    overlay->height   = rect.h;
    overlay->bForced  = rect.flags != 0;

    overlay->source_width  = m_width;
    overlay->source_height = m_height;

    uint8_t* s = rect.data[0];
    uint8_t* t = overlay->data;
    for(int i=0;i<rect.h;i++)
    {
      memcpy(t, s, rect.w);
      s += rect.linesize[0];
      t += overlay->linesize;
    }

    for(int i=0;i<rect.nb_colors;i++)
      overlay->palette[i] = Endian_SwapLE32(((uint32_t *)rect.data[1])[i]);

    m_SubtitleIndex++;

    return overlay;
  }

  return NULL;
}
コード例 #6
0
CDVDOverlay* CDVDOverlayCodecFFmpeg::GetOverlay()
{
  if(m_SubtitleIndex<0)
    return NULL;

  if(m_Subtitle.num_rects == 0 && m_SubtitleIndex == 0)
  {
    // we must add an empty overlay to replace the previous one
    CDVDOverlay* o = new CDVDOverlay(DVDOVERLAY_TYPE_NONE);
    o->iPTSStartTime = 0;
    o->iPTSStopTime  = 0;
    o->replace  = true;
    m_SubtitleIndex++;
    return o;
  }

  if(m_Subtitle.format == 0)
  {
    if(m_SubtitleIndex >= (int)m_Subtitle.num_rects)
      return NULL;

#if LIBAVCODEC_VERSION_INT >= (52<<10)
    if(m_Subtitle.rects[m_SubtitleIndex] == NULL)
      return NULL;
    AVSubtitleRect& rect = *m_Subtitle.rects[m_SubtitleIndex];
#else
    AVSubtitleRect& rect = m_Subtitle.rects[m_SubtitleIndex];
#endif

    CDVDOverlayImage* overlay = new CDVDOverlayImage();

    overlay->iPTSStartTime = DVD_MSEC_TO_TIME(m_Subtitle.start_display_time);
    overlay->iPTSStopTime  = DVD_MSEC_TO_TIME(m_Subtitle.end_display_time);
    overlay->replace  = true;
    overlay->linesize = rect.w;
    overlay->data     = (BYTE*)malloc(rect.w * rect.h);
    overlay->palette  = (uint32_t*)malloc(rect.nb_colors*4);
    overlay->palette_colors = rect.nb_colors;
    overlay->x        = rect.x;
    overlay->y        = rect.y;
    overlay->width    = rect.w;
    overlay->height   = rect.h;

    int right  = overlay->x + overlay->width;
    int bottom = overlay->y + overlay->height;

    if(m_height == 0 && m_pCodecContext->height)
      m_height = m_pCodecContext->height;
    if(m_width  == 0 && m_pCodecContext->width)
      m_width  = m_pCodecContext->width;

    if(bottom > m_height)
    {
      if     (bottom <= 480)
        m_height      = 480;
      else if(bottom <= 576)
        m_height      = 576;
      else if(bottom <= 720)
        m_height      = 720;
      else if(bottom <= 1080)
        m_height      = 1080;
      else
        m_height      = bottom;
    }
    if(right > m_width)
    {
      if     (right <= 720)
        m_width      = 720;
      else if(right <= 1024)
        m_width      = 1024;
      else if(right <= 1280)
        m_width      = 1280;
      else if(right <= 1920)
        m_width      = 1920;
      else
        m_width      = right;
    }

    overlay->source_width  = m_width;
    overlay->source_height = m_height;

#if LIBAVCODEC_VERSION_INT >= (52<<10)
    BYTE* s = rect.pict.data[0];
    BYTE* t = overlay->data;
    for(int i=0;i<rect.h;i++)
    {
      memcpy(t, s, rect.w);
      s += rect.pict.linesize[0];
      t += overlay->linesize;
    }

    for(int i=0;i<rect.nb_colors;i++)
      overlay->palette[i] = Endian_SwapLE32(((uint32_t *)rect.pict.data[1])[i]);

    m_dllAvUtil.av_free(rect.pict.data[0]);
    m_dllAvUtil.av_free(rect.pict.data[1]);
    m_dllAvUtil.av_freep(&m_Subtitle.rects[m_SubtitleIndex]);
#else
    BYTE* s = rect.bitmap;
    BYTE* t = overlay->data;
    for(int i=0;i<rect.h;i++)
    {
      memcpy(t, s, rect.w);
      s += rect.linesize;
      t += overlay->linesize;
    }

    memcpy(overlay->palette, rect.rgba_palette, rect.nb_colors*4);

    m_dllAvUtil.av_freep(&rect.bitmap);
    m_dllAvUtil.av_freep(&rect.rgba_palette);
#endif
    m_SubtitleIndex++;

    return overlay;
  }

  return NULL;
}
コード例 #7
0
bool WAVCodec::Init(const CStdString &strFile, unsigned int filecache)
{
  m_file.Close();
  if (!m_file.Open(strFile, READ_CACHED))
    return false;

  int64_t         length;
  WAVE_RIFFHEADER riff;
  bool            hasFmt  = false;
  bool            hasData = false;

  length = m_file.GetLength();
  m_file.Seek(0, SEEK_SET);
  m_file.Read(&riff, sizeof(WAVE_RIFFHEADER));
  riff.filesize = Endian_SwapLE32(riff.filesize);
  if ((strncmp(riff.riff, "RIFF", 4) != 0) && (strncmp(riff.rifftype, "WAVE", 4) != 0))
    return false;

  // read in each chunk
  while(length - m_file.GetPosition() >= (int64_t)sizeof(WAVE_CHUNK))
  {
    WAVE_CHUNK chunk;
    m_file.Read(&chunk, sizeof(WAVE_CHUNK));
    chunk.chunksize = Endian_SwapLE32(chunk.chunksize);

    // if it is the "fmt " chunk
    if (!hasFmt && (strncmp(chunk.chunk_id, "fmt ", 4) == 0))
    {
      int64_t              read;
      WAVEFORMATEXTENSIBLE wfx;

      read = std::min((DWORD)sizeof(WAVEFORMATEXTENSIBLE), chunk.chunksize);
      m_file.Read(&wfx, read);

      // get the format information
      m_SampleRate    = Endian_SwapLE32(wfx.Format.nSamplesPerSec);
      m_Channels      = Endian_SwapLE16(wfx.Format.nChannels     );
      m_BitsPerSample = Endian_SwapLE16(wfx.Format.wBitsPerSample);

      CLog::Log(LOGINFO, "WAVCodec::Init - Sample Rate: %d, Bits Per Sample: %d, Channels: %d", m_SampleRate, m_BitsPerSample, m_Channels);
      if ((m_SampleRate == 0) || (m_Channels == 0) || (m_BitsPerSample == 0))
      {
        CLog::Log(LOGERROR, "WAVCodec::Init - Invalid data in WAVE header");
        return false;
      }

      wfx.Format.wFormatTag = Endian_SwapLE16(wfx.Format.wFormatTag);
      wfx.Format.cbSize     = Endian_SwapLE16(wfx.Format.cbSize    );

      // detect the file type
      switch(wfx.Format.wFormatTag)
      {
        case WAVE_FORMAT_PCM:
          CLog::Log(LOGINFO, "WAVCodec::Init - WAVE_FORMAT_PCM detected");
          m_ChannelMask = 0;
          m_bHasFloat = false;
        break;

        case WAVE_FORMAT_IEEE_FLOAT:
          CLog::Log(LOGINFO, "WAVCodec::Init - WAVE_FORMAT_IEEE_FLOAT detected");
          if (wfx.Format.wBitsPerSample != 32)
          {
            CLog::Log(LOGERROR, "WAVCodec::Init - Only 32bit Float is supported");
            return false;
          }

          m_ChannelMask = 0;
          m_bHasFloat = true;
        break;

        case WAVE_FORMAT_EXTENSIBLE:
          if (wfx.Format.cbSize < 22)
          {
            CLog::Log(LOGERROR, "WAVCodec::Init - Corrupted WAVE_FORMAT_EXTENSIBLE header");
            return false;
          }
          m_ChannelMask = Endian_SwapLE32(wfx.dwChannelMask);
          CLog::Log(LOGINFO, "WAVCodec::Init - WAVE_FORMAT_EXTENSIBLE detected, channel mask: %d", m_ChannelMask);

          wfx.SubFormat.Data1 = Endian_SwapLE32(wfx.SubFormat.Data1);
          wfx.SubFormat.Data2 = Endian_SwapLE16(wfx.SubFormat.Data2);
          wfx.SubFormat.Data3 = Endian_SwapLE16(wfx.SubFormat.Data3);
          if (memcmp(&wfx.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM, sizeof(GUID)) == 0)
          {
            CLog::Log(LOGINFO, "WAVCodec::Init - SubFormat KSDATAFORMAT_SUBTYPE_PCM Detected");
            m_bHasFloat = false;
          }
          else if (memcmp(&wfx.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, sizeof(GUID)) == 0)
          {
            CLog::Log(LOGINFO, "WAVCodec::Init - SubFormat KSDATAFORMAT_SUBTYPE_IEEE_FLOAT Detected");
            if (wfx.Format.wBitsPerSample != 32)
            {
              CLog::Log(LOGERROR, "WAVCodec::Init - Only 32bit Float is supported");
              return false;
            }
            m_bHasFloat = true;
          }
          else
          {
            CLog::Log(LOGERROR, "WAVCodec::Init - Unsupported extensible Wave format");
            return false;
          }
        break;

        default:
          CLog::Log(LOGERROR, "WAVCodec::Init - Unsupported Wave Format %d", wfx.Format.wFormatTag);
          return false;
        break;
      }

      // seek past any extra data that may be in the header
      m_file.Seek(chunk.chunksize - read, SEEK_CUR);
      hasFmt = true;

    }
    else if (!hasData && (strncmp(chunk.chunk_id, "data", 4) == 0))
    {
      m_iDataStart     = (long)m_file.GetPosition();
      m_iDataLen       = chunk.chunksize;
      chunk.chunksize += (chunk.chunksize % 2);

      // sanity check on the data length
      if (m_iDataLen > length - m_iDataStart)
      {
        CLog::Log(LOGWARNING, "WAVCodec::Init - Wave has corrupt data length of %i when it can't be longer then %"PRId64"", m_iDataLen, length - m_iDataStart);
        m_iDataLen = (long)(length - m_iDataStart);
      }

      // if this data chunk is empty, we will look for another data chunk that is not empty
      if (m_iDataLen == 0)
        CLog::Log(LOGWARNING, "WAVCodec::Init - Empty data chunk, will look for another");
      else
        hasData = true;

      //seek past the data
      m_file.Seek(chunk.chunksize, SEEK_CUR);

    }
    else
    {
      // any unknown chunks just seek past
      m_file.Seek(chunk.chunksize, SEEK_CUR);
    }

    // dont keep reading if we have the chunks we need
    if (hasFmt && hasData)
      break;
  }

  if (!hasFmt || !hasData)
  {
    CLog::Log(LOGERROR, "WAVCodec::Init - Corrupt file, unable to locate both fmt and data chunks");
    return false;
  }

  m_TotalTime = (int)(((float)m_iDataLen / (m_SampleRate * m_Channels * (m_BitsPerSample / 8))) * 1000);
  m_Bitrate   = (int)(((float)m_iDataLen * 8) / ((float)m_TotalTime / 1000));

  // ensure the parameters are valid
  if ((m_TotalTime <= 0) || (m_Bitrate <= 0))
  {
    CLog::Log(LOGERROR, "WAVCodec::Init - The total time/bitrate is invalid, possibly corrupt file");
    return false;
  }

  //  Seek to the start of the data chunk
  m_file.Seek(m_iDataStart, SEEK_SET);
  return true;
}