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Load_IFF() support for ANIM with sound chunks

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Thomas Bernard 2018-12-14 15:54:45 +01:00
parent 93bc0e6459
commit c86babeb35
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GPG Key ID: 0FF11B67A5C0863C
1 changed files with 87 additions and 63 deletions
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148
src/fileformats.c
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@ -291,61 +291,64 @@ void Test_IFF(FILE * IFF_file, const char *sub_type)
File_error=1;
do // Dummy loop, so that all breaks jump to end.
if (! Read_bytes(IFF_file,section,4))
return;
if (memcmp(section,"FORM",4))
return;
if (! Read_dword_be(IFF_file, &dummy))
return;
// On aurait pu vérifier que ce long est égal à la taille
// du fichier - 8, mais ça aurait interdit de charger des
// fichiers tronqués (et déjà que c'est chiant de perdre
// une partie du fichier il faut quand même pouvoir en
// garder un peu... Sinon, moi je pleure :'( !!! )
if (! Read_bytes(IFF_file,format,4))
return;
if (!memcmp(format,"ANIM",4))
{
dword size;
// An ANIM header: need to check that it encloses an image
do
{
if (! Read_bytes(IFF_file,section,4))
break;
return;
if (memcmp(section,"FORM",4))
break;
if (! Read_dword_be(IFF_file, &dummy))
break;
// On aurait pu vérifier que ce long est égal à la taille
// du fichier - 8, mais ça aurait interdit de charger des
// fichiers tronqués (et déjà que c'est chiant de perdre
// une partie du fichier il faut quand même pouvoir en
// garder un peu... Sinon, moi je pleure :'( !!! )
return;
if (! Read_dword_be(IFF_file, &size))
return;
if (! Read_bytes(IFF_file,format,4))
break;
if (!memcmp(format,"ANIM",4))
{
// An ANIM header: need to check that it encloses an image
if (! Read_bytes(IFF_file,section,4))
break;
if (memcmp(section,"FORM",4))
break;
if (! Read_dword_be(IFF_file, &dummy))
break;
if (! Read_bytes(IFF_file,format,4))
break;
}
else if(memcmp(format,"DPST",4) == 0)
{
if (! Read_bytes(IFF_file,section,4))
break;
if (memcmp(section, "DPAH", 4) != 0)
break;
if (! Read_dword_be(IFF_file, &dummy))
break;
fseek(IFF_file, dummy, SEEK_CUR);
if (! Read_bytes(IFF_file,section,4))
break;
if (memcmp(section,"FORM",4))
break;
if (! Read_dword_be(IFF_file, &dummy))
break;
if (! Read_bytes(IFF_file,format,4))
break;
}
if ( memcmp(format,sub_type,4))
break;
// If we reach this part, file is indeed ILBM/PBM or ANIM
File_error=0;
} while (0);
return;
if (fseek(IFF_file, size - 4, SEEK_CUR) < 0)
return;
}
while(0 == memcmp(format, "8SVX", 4)); // skip sound frames
}
else if(memcmp(format,"DPST",4) == 0)
{
if (! Read_bytes(IFF_file,section,4))
return;
if (memcmp(section, "DPAH", 4) != 0)
return;
if (! Read_dword_be(IFF_file, &dummy))
return;
fseek(IFF_file, dummy, SEEK_CUR);
if (! Read_bytes(IFF_file,section,4))
return;
if (memcmp(section,"FORM",4))
return;
if (! Read_dword_be(IFF_file, &dummy))
return;
if (! Read_bytes(IFF_file,format,4))
return;
}
if ( memcmp(format,sub_type,4))
return;
// If we reach this part, file is indeed ILBM/PBM or ANIM
File_error=0;
}
void Test_PBM(T_IO_Context * context, FILE * f)
@ -966,8 +969,17 @@ void Load_IFF(T_IO_Context * context)
{
// Skip a bit, brother
Read_bytes(IFF_file,section,4);
Read_dword_be(IFF_file,&dummy);
Read_dword_be(IFF_file,&section_size);
Read_bytes(IFF_file,format,4);
while (0 == memcmp(format, "8SVX", 4))
{
GFX2_Log(GFX2_DEBUG, "IFF : skip sound %.4s %u bytes\n", format, section_size);
if (fseek(IFF_file, section_size - 4, SEEK_CUR) < 0)
break;
Read_bytes(IFF_file,section,4);
Read_dword_be(IFF_file,&section_size);
Read_bytes(IFF_file,format,4);
}
}
else if(memcmp(format,"DPST",4)==0)
{
@ -1002,9 +1014,7 @@ void Load_IFF(T_IO_Context * context)
iff_format = FORMAT_ACBM;
else
{
char tmp_msg[60];
snprintf(tmp_msg, sizeof(tmp_msg), "Unknown IFF format '%.4s'", format);
Warning(tmp_msg);
GFX2_Log(GFX2_WARNING, "Unknown IFF format '%.4s'\n", format);
File_error=1;
}
@ -1068,6 +1078,12 @@ void Load_IFF(T_IO_Context * context)
File_error = 1;
break;
}
GFX2_Log(GFX2_DEBUG, "IFF BMHD : origin (%u,%u) size %ux%u BitPlanes=%u Mask=%u Compression=%u\n",
header.X_org, header.Y_org, header.Width, header.Height,
header.BitPlanes, header.Mask, header.Compression);
GFX2_Log(GFX2_DEBUG, " Transp_col=#%u aspect ratio %u/%u screen size %ux%u\n",
header.Transp_col, header.X_aspect, header.Y_aspect,
header.X_screen, header.Y_screen);
real_bit_planes = header.BitPlanes;
stored_bit_planes = header.BitPlanes;
if (header.Mask==1)
@ -1196,7 +1212,7 @@ void Load_IFF(T_IO_Context * context)
continue;
if (plane >= real_bit_planes)
{
Warning("too much bitplanes in DLTA data");
GFX2_Log(GFX2_WARNING, "IFF : too much bitplanes in DLTA data %u >= %u (frame #%u/%u)\n", plane, real_bit_planes, current_frame + 1, frame_count);
break;
}
while (current_offset < offsets[plane])
@ -1372,7 +1388,7 @@ void Load_IFF(T_IO_Context * context)
}
else
{
Warning("Unsupported compression type in ILBM DLTA chunk");
GFX2_Log(GFX2_INFO, "IFF DLTA : Unsupported compression type %u\n", aheader.operation);
}
if (File_error == 0)
@ -1504,9 +1520,10 @@ void Load_IFF(T_IO_Context * context)
File_error = 1;
break;
}
GFX2_Log(GFX2_DEBUG, "IFF CMAP : %u colors (header.BitPlanes=%u)\n", nb_colors, header.BitPlanes);
if (current_frame != 0)
Warning("One CMAP per frame is not supported");
GFX2_Log(GFX2_WARNING, "IFF : One CMAP per frame is not supported (frame #%u/%u)\n", current_frame + 1, frame_count);
if ((header.BitPlanes==6 && nb_colors==16) || (header.BitPlanes==8 && nb_colors==64))
{
Image_HAM=header.BitPlanes;
@ -1566,6 +1583,7 @@ void Load_IFF(T_IO_Context * context)
&& (Read_byte(IFF_file,&min_col))
&& (Read_byte(IFF_file,&max_col)))
{
GFX2_Log(GFX2_DEBUG, "IFF CRNG : [#%u #%u] rate=%u flags=%04x\n", min_col, max_col, rate, flags);
if (section_size == 8 && min_col != max_col)
{
// Valid cycling range
@ -1574,7 +1592,7 @@ void Load_IFF(T_IO_Context * context)
if (context->Color_cycles >= 16)
{
Warning("Maximum CRNG number is 16");
GFX2_Log(GFX2_INFO, "IFF CRNG : Maximum CRNG number is 16\n");
}
else
{
@ -2048,11 +2066,17 @@ void Load_IFF(T_IO_Context * context)
}
else
{
char tmp_msg[60];
// skip section
snprintf(tmp_msg, sizeof(tmp_msg), "Skip unknown section '%.4s' of %u bytes", section, section_size);
Warning(tmp_msg);
fseek(IFF_file, (section_size+1)&~1, SEEK_CUR);
GFX2_Log(GFX2_INFO, "IFF : Skip unknown section '%.4s' of %u bytes at offset %06X\n", section, section_size, ftell(IFF_file));
if (section_size < 256)
{
byte buffer[256];
Read_bytes(IFF_file, buffer, (section_size+1)&~1);
GFX2_LogHexDump(GFX2_DEBUG, "", buffer, 0, (section_size+1)&~1);
}
else
fseek(IFF_file, (section_size+1)&~1, SEEK_CUR);
}
}
}