FileProperties: removed seek at the beginning when extractStreamProperties

Clement Champetier · Clement Champetier · commit 5625a8781bbe · 2016-05-03T16:55:01.000+02:00
* These instructions make analysis impossible for some AVC Intra media.
* WARNING: need to check if this commit induces some side effects.
diff --git a/src/AvTranscoder/properties/FileProperties.cpp b/src/AvTranscoder/properties/FileProperties.cpp
@@ -31,10 +31,6 @@ void FileProperties::extractStreamProperties(IProgress& progress, const EAnalyse
 {
     clearStreamProperties();
 
-    // if the analysis level wiil decode some streams parts, seek at the beginning
-    if(level > eAnalyseLevelHeader)
-        const_cast<FormatContext*>(_formatContext)->seek(0, AVSEEK_FLAG_BACKWARD);
-
     for(size_t streamIndex = 0; streamIndex < _formatContext->getNbStreams(); ++streamIndex)
     {
         switch(_formatContext->getAVStream(streamIndex).codec->codec_type)
@@ -118,10 +114,6 @@ void FileProperties::extractStreamProperties(IProgress& progress, const EAnalyse
         const size_t unknownStreamIndex = _unknownStreams.at(streamIndex).getStreamIndex();
         _streams[unknownStreamIndex] = &_unknownStreams.at(streamIndex);
     }
-
-    // if the analysis level has decoded some streams parts, return at the beginning
-    if(level > eAnalyseLevelHeader)
-        const_cast<FormatContext*>(_formatContext)->seek(0, AVSEEK_FLAG_BACKWARD);
 }
 
 std::string FileProperties::getFilename() const

Original file line number	Diff line number	Diff line change
`@@ -31,10 +31,6 @@ void FileProperties::extractStreamProperties(IProgress& progress, const EAnalyse`
`31`	`31`	`{`
`32`	`32`	`clearStreamProperties();`
`33`	`33`
`34`		`- // if the analysis level wiil decode some streams parts, seek at the beginning`
`35`		`- if(level > eAnalyseLevelHeader)`
`36`		`- const_cast<FormatContext*>(_formatContext)->seek(0, AVSEEK_FLAG_BACKWARD);`
`37`		`-`
`38`	`34`	`for(size_t streamIndex = 0; streamIndex < _formatContext->getNbStreams(); ++streamIndex)`
`39`	`35`	`{`
`40`	`36`	`switch(_formatContext->getAVStream(streamIndex).codec->codec_type)`
`@@ -118,10 +114,6 @@ void FileProperties::extractStreamProperties(IProgress& progress, const EAnalyse`
`118`	`114`	`const size_t unknownStreamIndex = _unknownStreams.at(streamIndex).getStreamIndex();`
`119`	`115`	`_streams[unknownStreamIndex] = &_unknownStreams.at(streamIndex);`
`120`	`116`	`}`
`121`		`-`
`122`		`- // if the analysis level has decoded some streams parts, return at the beginning`
`123`		`- if(level > eAnalyseLevelHeader)`
`124`		`- const_cast<FormatContext*>(_formatContext)->seek(0, AVSEEK_FLAG_BACKWARD);`
`125`	`117`	`}`
`126`	`118`
`127`	`119`	`std::string FileProperties::getFilename() const`