cmdutils: add -cpuflags.

This allows globally forcing specific cpuflags (or lack thereof) Useful for debugging and benchmarking Signed-off-by: Michael Niedermayer <[email protected]>
marchyang · Feb 19, 2012 · 1060e9c · 1060e9c
1 parent 04f7eee
commit 1060e9c
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Showing 3 changed files with 16 additions and 0 deletions.
diff --git a/cmdutils.c b/cmdutils.c
@@ -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);

diff --git a/cmdutils.h b/cmdutils.h
@@ -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);
 
 /**

diff --git a/cmdutils_common_opts.h b/cmdutils_common_opts.h
@@ -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" },
-Original file line number
+Diff line change
@@ Expand Up / @@ -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);
     /**
@@ Expand Down @@