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use SetLegacyPlanarAlignment() when old mpeg2decs are used with avisynth 2.5.7+ 

Originally committed to SVN as r775.
This commit is contained in:
Fredrik Mellbin 2007-01-11 19:49:37 +00:00
parent 31663420f4
commit f21437d33f
1 changed files with 20 additions and 4 deletions
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24
aegisub/video_provider_avs.cpp
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@ -190,15 +190,31 @@ PClip AvisynthVideoProvider::OpenVideo(wxString _filename, bool mpeg2dec3_priori
}
// Open d2v with mpeg2dec3
else if (extension == _T(".d2v") && env->FunctionExists("mpeg2dec3_Mpeg2Source") && mpeg2dec3_priority) {
AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .d2v file with mpeg2dec3_Mpeg2Source"));
script = env->Invoke("mpeg2dec3_Mpeg2Source", videoFilename);
else if (extension == _T(".d2v") && env->FunctionExists("Mpeg2Dec3_Mpeg2Source") && mpeg2dec3_priority) {
AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .d2v file with Mpeg2Dec3_Mpeg2Source"));
script = env->Invoke("Mpeg2Dec3_Mpeg2Source", videoFilename);
//if avisynth is 2.5.7 beta 2 or newer old mpeg2decs will crash without this
if (env->FunctionExists("SetPlanarLegacyAlignment"))
script = env->Invoke("SetPlanarLegacyAlignment", script);
}
// If that fails, try opening it with DGDecode
else if (extension == _T(".d2v") && env->FunctionExists("DGDecode_Mpeg2Source")) {
AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .d2v file with DGDecode_Mpeg2Source"));
script = env->Invoke("Mpeg2Source", videoFilename);
//note that DGDecode will also have issues like if the version is too ancient but no sane person
//would use that anyway
}
// If that fails, try opening it with other mpeg2source
else if (extension == _T(".d2v") && env->FunctionExists("Mpeg2Source")) {
AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .d2v file with other Mpeg2Source"));
script = env->Invoke("Mpeg2Source", videoFilename);
//if avisynth is 2.5.7 beta 2 or newer old mpeg2decs will crash without this
if (env->FunctionExists("SetPlanarLegacyAlignment"))
script = env->Invoke("SetPlanarLegacyAlignment", script);
}
// Some other format, such as mkv, mp4, ogm... try DirectShowSource