tag is defined, rather than return -1.

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error.

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AVFormatContext * in input rather than a NUTContext *, which allows to
log messages with av_log().

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Bump libx264 version requirement accordingly.


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The test for .align syntax was apparently unreliable with some compilers.
Using the .p2align directive instead avoids the need for this test.

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end of a file.

Patch by Frank Barchard, fbarchard google


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informative.

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This allows setting bit rates that aren't an exact multiple of 1000.


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if vaapi is disabled is at best pointless.


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from 2 to 1, which is the actual value used in the spec. Fixes issue1978.

Path by John Wimer <john at god dot vtic dot net>.



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unsupported and causes crashes when libavfilter is enabled.

Patch by Sebastian Vater <cdgs basty googlemail com>.



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corresponding man page section.

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command on its own line, and create a corresponding "TIPS" man page
section.

Note that such section is not displayed, as currently only sections
with pre-defined names are rendered.

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or texinfo command for specifying how to generate @item marks, and
make it use by default the mark symbol "*".

This is consistent with texinfo docs:
"If you don't specify a mark command, the default is `@bullet'."

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section, and make the whole rendered in the man output.

Simplify layout, and make it more consistent with that of the other
man pages. Also I cannot see a good reason for keeping split the two
sections.

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Make me and Diego happy.

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const_name    -> const_names
const_value   -> const_values
func[12]_name -> func[12]_names
func[12]      -> funcs[12]

All these parameters contain a list of values, using plural names for
them help understanding a little.

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containing an error code.

Allow these functions to convey the reason of the failure to the
calling function, failure which is not always due to a parsing error
but it may depend for example on a memory problem.

Also fix several potential memleaks.

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