/* Return when an SOI, EOI, SOFn, or SOS is found */
PUBLIC JPEG_MARKER_E ProcessTables(JPEG_DEC_INPUT_PARA_T *jpeg_dec_input)
{
uint32 c = 0;
while (TRUE)/*lint !e716*/
{
if(!GetNextMarker(&c))
{
return M_ERROR;
}
switch (c)
{
case M_SOF0:
case M_SOF1:
if(GetSOF(FALSE, jpeg_dec_input) != JPEG_SUCCESS)
{
return M_ERROR;
}
break;
case M_SOF2:
if(GetSOF(TRUE, jpeg_dec_input) != JPEG_SUCCESS)
{
return M_ERROR;
}
JPEG_TRACE("Sorry, we can not support the Progressive image!\n");
break;
//return M_ERROR;
case M_SOI:
case M_EOI:
case M_SOS:
return c;
case M_DHT:
if(GetHuffTbl() != JPEG_SUCCESS)
{
return M_ERROR;
}
break;
case M_DQT:
if(GetQuantTbl() != JPEG_SUCCESS)
{
return M_ERROR;
}
break;
case M_APP0:
if(GetAPP0() != JPEG_SUCCESS)
{
return M_ERROR;
}
break;
case M_DRI:
if(GetDRI() != JPEG_SUCCESS)
{
return M_ERROR;
}
break;
// case M_SOF1:
case M_SOF3:
case M_SOF5:
case M_SOF6:
case M_SOF7:
case M_JPG:
case M_SOF9:
case M_SOF10:
case M_SOF11:
case M_SOF13:
case M_SOF14:
case M_SOF15:
case M_DAC:
case M_RST0:
case M_RST1:
case M_RST2:
case M_RST3:
case M_RST4:
case M_RST5:
case M_RST6:
case M_RST7:
case M_TEM:
JPEG_TRACE("Unexpected marker 0x%02x\n", c);
return M_ERROR;
default: /* must be DNL, DHP, EXP, APPn, JPGn, COM, or RESn */
if(SkipVariable(jpeg_dec_input) != JPEG_SUCCESS)
{
return M_ERROR;
}
break;
}
}
}
int ieJpegDecoder::ParseTables()
//
// Scan and process JPEG markers that can appear in any order
// Return when an SOI, EOI, SOFn, or SOS is found
//
{
for (;;) {
int c = GetMarker();
switch (c) {
case M_SOF0:
case M_SOF1:
case M_SOF2:
case M_SOF3:
case M_SOF5:
case M_SOF6:
case M_SOF7:
case M_JPG:
case M_SOF9:
case M_SOF10:
case M_SOF11:
case M_SOF13:
case M_SOF14:
case M_SOF15:
case M_SOI:
case M_EOI:
case M_SOS:
return c;
case M_DHT:
if (!GetDHT()) return M_ERROR;
break;
case M_DAC:
if (!GetDAC()) return M_ERROR;
break;
case M_DQT:
if (!GetDQT()) return M_ERROR;
break;
case M_DRI:
if (!GetDRI()) return M_ERROR;
break;
case M_RST0:
case M_RST1:
case M_RST2:
case M_RST3:
case M_RST4:
case M_RST5:
case M_RST6:
case M_RST7:
case M_TEM:
break;
case M_APP14:
if (!GetAPP14()) return M_ERROR;
break;
case M_APP0:
case M_APP1:
case M_APP2:
case M_APP3:
case M_APP4:
case M_APP5:
case M_APP6:
case M_APP7:
case M_APP8:
case M_APP9:
case M_APP10:
case M_APP11:
case M_APP12:
case M_APP13:
case M_APP15:
case M_COM:
case M_DNL: // Ignore DNL ... perhaps the wrong thing
pbStream += (GetWord() - 2);
break;
default: // Must be DHP, EXP, JPGn, or RESn
// For now, we treat the reserved markers as fatal errors since they are
// likely to be used to signal incompatible JPEG Part 3 extensions.
return M_ERROR;
}
}
}
