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make help message go to standard output instead of standard error
patch by Nicolas George \ nicolas george normalesup org / Originally committed as revision 8947 to svn://svn.ffmpeg.org/ffmpeg/trunk
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commit
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10
ffmpeg.c
10
ffmpeg.c
@ -3718,8 +3718,18 @@ static void show_license(void)
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exit(1);
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}
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/**
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* Trivial log callback.
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* Only suitable for show_help and similar since it lacks prefix handling.
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*/
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static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
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{
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vfprintf(stdout, fmt, vl);
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}
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static void show_help(void)
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{
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av_log_set_callback(log_callback_help);
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show_banner();
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printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
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"Hyper fast Audio and Video encoder\n");
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