diff options
-rw-r--r-- | mediaplugin/src/media/UMediaPlugin.pas | 68 |
1 files changed, 59 insertions, 9 deletions
diff --git a/mediaplugin/src/media/UMediaPlugin.pas b/mediaplugin/src/media/UMediaPlugin.pas index bf921423..934b22b7 100644 --- a/mediaplugin/src/media/UMediaPlugin.pas +++ b/mediaplugin/src/media/UMediaPlugin.pas @@ -49,7 +49,7 @@ type TMediaPluginCore = record version: cint; - log: procedure(level: cint; msg: PChar; context: PChar); cdecl; + log: procedure(level: cint; msg: PAnsiChar; context: PAnsiChar); cdecl; ticksMillis: function(): cuint32; cdecl; fileOpen: function(utf8Filename: PAnsiChar; mode: cint): PFileStream; cdecl; @@ -154,6 +154,7 @@ implementation uses SysUtils, + Classes, SDL, moduleloader, UFilesystem, @@ -192,7 +193,7 @@ end; {* Misc *} -procedure Core_log(level: cint; msg: PChar; context: PChar); cdecl; +procedure Core_log(level: cint; msg: PAnsiChar; context: PAnsiChar); cdecl; begin Log.LogMsg(msg, context, DebugLogLevels[level]); end; @@ -204,34 +205,83 @@ end; {* File *} -function Core_fileOpen(utf8Filename: PChar; mode: cint): PFileStream; cdecl; -begin +const + FILE_OPEN_MODE_READ = $01; + FILE_OPEN_MODE_WRITE = $02; + FILE_OPEN_MODE_READ_WRITE = FILE_OPEN_MODE_READ or FILE_OPEN_MODE_WRITE; +function Core_fileOpen(utf8Filename: PAnsiChar; mode: cint): PFileStream; cdecl; +var + OpenMode: word; +begin + if (mode = FILE_OPEN_MODE_READ_WRITE) then + OpenMode := fmCreate + else if (mode = FILE_OPEN_MODE_WRITE) then + OpenMode := fmCreate // TODO: fmCreate is Read+Write -> reopen with fmOpenWrite + else // (mode = FILE_OPEN_MODE_READ) + OpenMode := fmOpenRead or fmShareDenyWrite; + + try + Result := TBinaryFileStream.Create(Path(utf8Filename), OpenMode); + except + Result := nil; + end; end; procedure Core_fileClose(stream: PFileStream); cdecl; +var + FileStream : TStream; begin - + FileStream := TStream(stream); + FileStream.Free; end; function Core_fileRead(stream: PFileStream; buf: PCuint8; size: cint): cint64; cdecl; +var + FileStream: TStream; begin - + FileStream := TStream(stream); + try + Result := FileStream.Read(buf^, size); + except + Result := -1; + end; end; function Core_fileWrite(stream: PFileStream; buf: PCuint8; size: cint): cint64; cdecl; +var + FileStream: TStream; begin - + FileStream := TStream(stream); + try + Result := FileStream.Write(buf^, size); + except + Result := -1; + end; end; function Core_fileSeek(stream: PFileStream; pos: cint64; whence: cint): cint64; cdecl; +var + FileStream : TStream; + Origin : TSeekOrigin; begin - + FileStream := TStream(stream); + case whence of + 0 {SEEK_SET}: Origin := soBeginning; + 1 {SEEK_CUR}: Origin := soCurrent; + 2 {SEEK_END}: Origin := soEnd; + else + Origin := soBeginning; + end; + Result := FileStream.Seek(pos, Origin); end; function Core_fileSize(stream: PFileStream): cint64; cdecl; +var + FileStream : TStream; begin - + FileStream := TStream(stream); + Result := FileStream.Size; end; {* Thread *} |