AVERROR(-1) = 1.

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libavformat/nutdec.c: In function ‘read_seek’:
libavformat/nutdec.c:862: warning: passing argument 4 of ‘av_tree_find’ from incompatible pointer type
./libavutil/tree.h:44: note: expected ‘void **’ but argument is of type ‘struct Syncpoint **’
libavformat/nutdec.c:871: warning: passing argument 4 of ‘av_tree_find’ from incompatible pointer type
./libavutil/tree.h:44: note: expected ‘void **’ but argument is of type ‘struct Syncpoint **’


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This prepares for adding support for more authentication methods


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libavformat/nut.c: In function ‘ff_nut_free_sp’:
libavformat/nut.c:80: warning: passing argument 4 of ‘av_tree_enumerate’ from incompatible pointer type
./libavutil/tree.h:92: note: expected ‘int (*)(void *, void *)’ but argument is of type ‘void (*)(void *, void *)’


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to share it with e.g. MMS.

Patch by Zhentan Feng <spyfeng gmail com>.



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If these two functions aren't matched results may be unexpected.



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Patch by Tomas Härdin $(name).$(s/ä/a/ $(surname)) AT codemill DOT se


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duplicating code or adding a dependency on vorbiscomment.o.


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there is no need to check for it.


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Patch by Pavel Pavlov, pavel summit-tech ca 


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libavcodec/h264.c:1562: warning: unused variable `s'


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Patch by Robert Krüger, krueger signal7 de 


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Patch by Tomas Härdin, tomas D hardin A  codemill D se 


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This helps if the URL (erroneously?) contains question marks within the path.


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Don't modify the user-specified s->filename at all, keep all modifications
locally and in rt->control_uri.


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Also revert the related error concealment hotfix.


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dependency on flacenc.o and fixes the unnecessary dependency on vorbiscomment.o.


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in that code that could lead to broken files.
AC coding is unaffected.


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Patch by Josh Allmann (joshua allmann gmail com)


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8 bits per component. This does no good except scaring users away.


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Patch by Josh Allmann (joshua allmann gmail com)


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Currently, the caller doesn't get the status_code and location for rediects,
since rtsp_setup_input_streams uses a copy of RTSPMessageHeader of its own.


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behavior approximately.


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Patch by James Darnley <james darnley at gmail>


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AVERROR_NOFMT if the format is unknown / cannot be recognized.

It is returned AVERROR_INVALIDDATA, in the sense that the data is
invalid within what the specific libav* binary supports.

That was the last remaining use of AVERROR_NOFMT, which is going to be
dropped at the next libavutil major bump.

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AVERROR_NOFMT in case of invalid / unknown packet size.

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