shithub: libvpx

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vpxdec: add --loops option

Allows vpxdec to operate multiple times on the same input. Mostly
useful for debugging/development.

Change-Id: Icf25ece22e387052eade4438971eee5ff4f798ba

--- a/vpxdec.c

+++ b/vpxdec.c

@@ -67,6 +67,8 @@

 };

 #include "args.h"

+static const arg_def_t looparg = ARG_DEF(NULL, "loops", 1,

+                                          "Number of times to decode the file");

 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,

                                           "Codec to use");

 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,

@@ -676,7 +678,7 @@

 }

-int main(int argc, const char **argv_) {

+int main_loop(int argc, const char **argv_) {

   vpx_codec_ctx_t          decoder;

   char                  *fn = NULL;

   int                    i;

@@ -737,6 +739,8 @@

       else

         die("Error: Unrecognized argument (%s) to --codec\n",

             arg.val);

+    } else if (arg_match(&arg, &looparg, argi)) {

+      // no-op

     } else if (arg_match(&arg, &outputfile, argi))

       outfile_pattern = arg.val;

     else if (arg_match(&arg, &use_yv12, argi)) {

@@ -1151,4 +1155,26 @@

   free(argv);

   return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;

+}

+

+int main(int argc, const char **argv_) {

+  unsigned int loops = 1, i;

+  char **argv, **argi, **argj;

+  struct arg arg;

+  int error = 0;

+

+  argv = argv_dup(argc - 1, argv_ + 1);

+  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {

+    memset(&arg, 0, sizeof(arg));

+    arg.argv_step = 1;

+

+    if (arg_match(&arg, &looparg, argi)) {

+      loops = arg_parse_uint(&arg);

+      break;

+    }

+  }

+  free(argv);

+  for (i = 0; !error && i < loops; i++)

+    error = main_loop(argc, argv_);

+  return error;

 }

-- 

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