bool RageMovieTexture::GetFourCC( RString fn, RString &handler, RString &type )
{
RString ignore, ext;
splitpath( fn, ignore, ignore, ext);
if( !ext.CompareNoCase(".mpg") ||
!ext.CompareNoCase(".mpeg") ||
!ext.CompareNoCase(".mpv") ||
!ext.CompareNoCase(".mpe") )
{
handler = type = "MPEG";
return true;
}
if( !ext.CompareNoCase(".ogv") )
{
handler = type = "Ogg";
return true;
}
//Not very pretty but should do all the same error checking without iostream
#define HANDLE_ERROR(x) { \
LOG->Warn( "Error reading %s: %s", fn.c_str(), x ); \
handler = type = ""; \
return false; \
}
RageFile file;
if( !file.Open(fn) )
HANDLE_ERROR("Could not open file.");
if( !file.Seek(0x70) )
HANDLE_ERROR("Could not seek.");
type = " ";
if( file.Read((char *)type.c_str(), 4) != 4 )
HANDLE_ERROR("Could not read.");
ForceToAscii( type );
if( file.Seek(0xBC) != 0xBC )
HANDLE_ERROR("Could not seek.");
handler = " ";
if( file.Read((char *)handler.c_str(), 4) != 4 )
HANDLE_ERROR("Could not read.");
ForceToAscii( handler );
return true;
#undef HANDLE_ERROR
}
static int64_t AVIORageFile_Seek( void *opaque, int64_t offset, int whence )
{
RageFile *f = (RageFile *)opaque;
if( whence == AVSEEK_SIZE )
return f->GetFileSize();
if( whence != SEEK_SET && whence != SEEK_CUR && whence != SEEK_END )
{
LOG->Trace("Error: unsupported seek whence: %d", whence);
return -1;
}
return f->Seek( (int) offset, whence );
}
static int OggRageFile_seek_func( void *datasource, ogg_int64_t offset, int whence )
{
RageFile *f = (RageFile *) datasource;
return f->Seek( (int) offset, whence );
}
avcodec::offset_t URLRageFile_seek( avcodec::URLContext *h, avcodec::offset_t pos, int whence )
{
RageFile *f = (RageFile *) h->priv_data;
return f->Seek( (int) pos, whence );
}
