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cmdutils: add -cpuflags.

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This allows globally forcing specific cpuflags (or lack thereof)
Useful for debugging and benchmarking

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-02-19 16:51:25 +01:00
parent 04f7eee709
commit 1060e9ce54
3 changed files with 16 additions and 0 deletions
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13
cmdutils.c
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@ -535,6 +535,19 @@ int opt_max_alloc(const char *opt, const char *arg)
return 0;
}
int opt_cpuflags(const char *opt, const char *arg)
{
char *tail;
long flags = strtol(arg, &tail, 10);
if (*tail) {
av_log(NULL, AV_LOG_FATAL, "Invalid cpuflags \"%s\".\n", arg);
exit_program(1);
}
av_force_cpu_flags(flags);
return 0;
}
int opt_codec_debug(const char *opt, const char *arg)
{
av_log_set_level(AV_LOG_DEBUG);

2
cmdutils.h
View File

@ -85,6 +85,8 @@ int opt_report(const char *opt);
int opt_max_alloc(const char *opt, const char *arg);
int opt_cpuflags(const char *opt, const char *arg);
int opt_codec_debug(const char *opt, const char *arg);
/**

1
cmdutils_common_opts.h
View File

@ -16,3 +16,4 @@
{ "debug", HAS_ARG, {(void*)opt_codec_debug}, "set debug flags", "flags" },
{ "report", 0, {(void*)opt_report}, "generate a report" },
{ "max_alloc", HAS_ARG, {(void*)opt_max_alloc}, "set maximum size of a single allocated block", "bytes" },
{ "cpuflags", HAS_ARG, {(void*)opt_cpuflags}, "force specific cpu flags", "flags" },