Stefano Sabatini
d2af7205a1
Use hierarchic names convention (prefix them with av_expr) for the
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eval API.
More grep-friendly and more consistent with the rest of the FFmpeg
API.
Originally committed as revision 25708 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-11-08 14:06:49 +00:00
Stefano Sabatini
20fcd0797e
Implement isnan() function evaluation.
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Originally committed as revision 25666 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-11-03 19:44:00 +00:00
Stefano Sabatini
4cabef0a9d
Make strmatch() return 1 only if the string compared against the
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prefix does not contain other characters which may belong to an
identifier.
This allows to distinguish for example to have different constants
with the same prefix (e.g. "foo" and "foobar").
Originally committed as revision 25626 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-11-01 09:34:21 +00:00
Stefano Sabatini
2b59fbe9b1
Add st, ld, while examples/tests.
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Originally committed as revision 25625 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-11-01 09:34:18 +00:00
Stefano Sabatini
8bb12e71af
Add examples of unary operators.
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Originally committed as revision 25624 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-11-01 09:34:15 +00:00
Stefano Sabatini
63b1630356
Fix evaluation of expressions of the form: E1;E2.
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The pointer to the char ';' has to be increased before to evaluate
";E2".
Originally committed as revision 25623 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-11-01 09:34:12 +00:00
Stefano Sabatini
eb928286de
Add more tests to eval, help detecting some of the more apparent
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errors, far from being a complete test system.
Originally committed as revision 23635 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-16 22:36:52 +00:00
Stefano Sabatini
7ec9b9beca
Make av_parse_expr() fail if there are trailing chars at the end of
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the provided expression.
Allow detection of mistyped expressions.
Originally committed as revision 23629 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-16 18:27:55 +00:00
Stefano Sabatini
2f62224bc0
Improve av_parse_eval() error reporting.
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Originally committed as revision 23627 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-16 18:27:46 +00:00
Stefano Sabatini
0b99215c0e
Move eval.c and eval.h from libavcodec to libavutil, and make the eval
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API public.
Originally committed as revision 23485 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-05 12:01:28 +00:00
