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Progress with ImportSMV143.

This commit is contained in:
brandman211 2012-09-13 19:33:55 +00:00
parent 5d514e3294
commit 1c4b218289
1 changed files with 100 additions and 56 deletions
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156
BizHawk.MultiClient/movie/MovieImport.cs
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@ -496,7 +496,7 @@ namespace BizHawk.MultiClient
gameBytes.Add(r.ReadByte());
// Advance past null byte.
r.ReadByte();
string gameName = System.Text.Encoding.UTF8.GetString(gameBytes.ToArray());
string gameName = Encoding.UTF8.GetString(gameBytes.ToArray());
m.Header.SetHeaderLine(MovieHeader.GAMENAME, gameName);
/*
After the header comes "metadata", which is UTF8-coded movie title string. The metadata begins after the ROM
@ -508,7 +508,7 @@ namespace BizHawk.MultiClient
authorBytes.Add(r.ReadByte());
// Advance past null byte.
r.ReadByte();
string author = System.Text.Encoding.UTF8.GetString(authorBytes.ToArray());
string author = Encoding.UTF8.GetString(authorBytes.ToArray());
m.Header.SetHeaderLine(MovieHeader.AUTHOR, author);
// Advance to first byte of input data.
r.BaseStream.Position = firstFrameOffset;
@ -1519,96 +1519,138 @@ namespace BizHawk.MultiClient
warningMsg = "";
FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs);
byte[] signatureBytes = new byte[4];
for (int x = 0; x < 4; x++)
signatureBytes[x] = r.ReadByte();
string signature = System.Text.Encoding.UTF8.GetString(signatureBytes);
if (signature.Substring(0, 3) != "SMV")
// 000 4-byte signature: 53 4D 56 1A "SMV\x1A"
string signature = r.ReadStringFixedAscii(4);
if (signature != "SMV\x1A")
{
errorMsg = "This is not a valid .SMV file.";
r.Close();
fs.Close();
return null;
}
// 004 4-byte little-endian unsigned int: version number
uint version = r.ReadUInt32();
Movie m;
switch (version)
{
case 1:
return ImportSMV143(r, path);
m = ImportSMV143(r, path, out errorMsg, out warningMsg);
break;
case 4:
return ImportSMV151(r, path);
m = ImportSMV151(r, path, out errorMsg, out warningMsg);
break;
case 5:
return ImportSMV152(r, path);
m = ImportSMV152(r, path, out errorMsg, out warningMsg);
break;
default:
{
errorMsg = "SMV version not recognized. 1.43, 1.51, and 1.52 are currently supported.";
r.Close();
fs.Close();
return null;
}
}
r.Close();
fs.Close();
return m;
}
// SMV 1.43 file format: http://code.google.com/p/snes9x-rr/wiki/SMV143
private static Movie ImportSMV143(BinaryReader r, string path)
private static Movie ImportSMV143(BinaryReader r, string path, out string errorMsg, out string warningMsg)
{
errorMsg = "";
warningMsg = "";
Movie m = new Movie(path + "." + Global.Config.MovieExtension);
uint GUID = r.ReadUInt32();
m.Header.SetHeaderLine(MovieHeader.GUID, GUID.ToString()); //TODO: format to hex string
m.Header.Comments.Add(EMULATIONORIGIN + " Snes9x version 1.43");
m.Header.Comments.Add(MOVIEORIGIN + " .SMV");
/*
008 4-byte little-endian integer: movie "uid" - identifies the movie-savestate relationship, also used as the
recording time in Unix epoch format
*/
uint uid = r.ReadUInt32();
m.Header.SetHeaderLine(MovieHeader.GUID, String.Format("{0:X8}", uid) + "-0000-0000-0000-000000000000");
// 00C 4-byte little-endian unsigned int: rerecord count
m.Rerecords = (int)r.ReadUInt32();
// 010 4-byte little-endian unsigned int: number of frames
uint frameCount = r.ReadUInt32();
byte ControllerFlags = r.ReadByte();
int numControllers;
if (((ControllerFlags >> 4) & 1) == 1)
numControllers = 5;
else if (((ControllerFlags >> 3) & 1) == 1)
numControllers = 4;
else if (((ControllerFlags >> 2) & 1) == 1)
numControllers = 3;
else if (((ControllerFlags >> 1) & 1) == 1)
numControllers = 2;
else
numControllers = 1;
byte MovieFlags = r.ReadByte();
if ((MovieFlags & 1) == 0)
return null; //TODO: Savestate movies not supported error
if (((MovieFlags >> 1) & 1) == 1)
m.Header.SetHeaderLine("PAL", "True");
byte SyncOptions = r.ReadByte();
byte SyncOptions2 = r.ReadByte();
//TODO: these
uint SavestateOffset = r.ReadUInt32();
uint FrameDataOffset = r.ReadUInt32();
//TODO: get extra rom info
r.BaseStream.Position = FrameDataOffset;
// 014 1-byte flags "controller mask"
byte flags = r.ReadByte();
int controllers = 0;
/*
* bit 0: controller 1 in use
* bit 1: controller 2 in use
* bit 2: controller 3 in use
* bit 3: controller 4 in use
* bit 4: controller 5 in use
* other: reserved, set to 0
*/
for (int controller = 1; controller <= 5; controller++)
if (((flags >> (controller - 1)) & 0x1) != 0)
controllers++;
// 015 1-byte flags "movie options"
flags = r.ReadByte();
/*
bit 0:
if "0", movie begins from an embedded "quicksave" snapshot
if "1", a SRAM is included instead of a quicksave; movie begins from reset
*/
if ((flags & 0x1) == 0)
{
errorMsg = "Movies that begin with a savestate are not supported.";
r.Close();
return null;
}
// bit 1: if "0", movie is NTSC (60 fps); if "1", movie is PAL (50 fps)
bool pal = (((flags >> 1) & 0x1) != 0);
m.Header.SetHeaderLine("PAL", pal.ToString());
// other: reserved, set to 0
/*
016 1-byte flags "sync options":
bit 0: MOVIE_SYNC2_INIT_FASTROM
other: reserved, set to 0
*/
r.ReadByte();
/*
017 1-byte flags "sync options":
bit 0: MOVIE_SYNC_DATA_EXISTS
if "1", all sync options flags are defined.
if "0", all sync options flags have no meaning.
bit 1: MOVIE_SYNC_WIP1TIMING
bit 2: MOVIE_SYNC_LEFTRIGHT
bit 3: MOVIE_SYNC_VOLUMEENVX
bit 4: MOVIE_SYNC_FAKEMUTE
bit 5: MOVIE_SYNC_SYNCSOUND
bit 6: MOVIE_SYNC_HASROMINFO
if "1", there is extra ROM info located right in between of the metadata and the savestate.
bit 7: set to 0.
*/
uint savestateOffset = r.ReadByte();
// 018 4-byte little-endian unsigned int: offset to the savestate inside file
r.ReadUInt32();
// 01C 4-byte little-endian unsigned int: offset to the controller data inside file
uint firstFrameOffset = r.ReadUInt32();
/*
After the header comes "metadata", which is UTF16-coded movie title string (author info). The metadata begins
from position 32 (0x20) and ends at <savestate_offset - length_of_extra_rom_info_in_bytes>.
*/
string metadata = Encoding.Unicode.GetString(r.ReadBytes((int)(savestateOffset - 0x20)));
r.BaseStream.Position = firstFrameOffset;
for (int frame = 1; frame <= frameCount; frame++)
{
//TODO: FF FF for all controllers = Reset
//string frame = "|0|";
for (int controller = 1; controller <= numControllers; controller++)
for (int controller = 1; controller <= controllers; controller++)
{
ushort fd = r.ReadUInt16();
}
}
m.Header.Comments.Add(EMULATIONORIGIN + " Snes9x version 1.43");
m.Header.Comments.Add(MOVIEORIGIN + " .SMV");
r.Close();
return m;
}
// SMV 1.51 file format: http://code.google.com/p/snes9x-rr/wiki/SMV151
private static Movie ImportSMV151(BinaryReader r, string path)
private static Movie ImportSMV151(BinaryReader r, string path, out string errorMsg, out string warningMsg)
{
errorMsg = "";
warningMsg = "";
Movie m = new Movie(path + "." + Global.Config.MovieExtension);
m.Header.Comments.Add(EMULATIONORIGIN + " Snes9x version 1.51");
m.Header.Comments.Add(MOVIEORIGIN + " .SMV");
@ -1616,8 +1658,10 @@ namespace BizHawk.MultiClient
return m;
}
private static Movie ImportSMV152(BinaryReader r, string path)
private static Movie ImportSMV152(BinaryReader r, string path, out string errorMsg, out string warningMsg)
{
errorMsg = "";
warningMsg = "";
Movie m = new Movie(path + "." + Global.Config.MovieExtension);
uint GUID = r.ReadUInt32();
m.Header.Comments.Add(EMULATIONORIGIN + " Snes9x version 1.52");
@ -1657,7 +1701,7 @@ namespace BizHawk.MultiClient
recording time in Unix epoch format
*/
uint uid = r.ReadUInt32();
m.Header.SetHeaderLine(MovieHeader.GUID, String.Format("{0:x8}", uid) + "-0000-0000-0000-000000000000");
m.Header.SetHeaderLine(MovieHeader.GUID, String.Format("{0:X8}", uid) + "-0000-0000-0000-000000000000");
// 00C 4-byte little-endian unsigned int: number of frames
uint frameCount = r.ReadUInt32();
// 010 4-byte little-endian unsigned int: rerecord count