Merge remote branch 'qatar/master'

* qatar/master:
  Handle unicode file names on windows
  rtp: Rename the open/close functions to alloc/free
  Lowercase all ff* program names.
  Refer to ff* tools by their lowercase names.
NOT Pulled  Replace more FFmpeg instances by Libav or ffmpeg.
  Replace `` by $() syntax in shell scripts.
  patcheck: Allow overiding grep program(s) through environment variables.
NOT Pulled  Remove stray libavcore and _g binary references.
  vorbis: Rename decoder/encoder files to follow general file naming scheme.
  aacenc: Fix whitespace after last commit.
  cook: Fix small typo in av_log_ask_for_sample message.
  aacenc: Finish 3GPP psymodel analysis for non mid/side cases.
  Remove RDFT dependency from AAC decoder.
  Add some debug log messages to AAC extradata
  Fix mov debug (u)int64_t format strings.
  bswap: use native types for av_bwap16().
  doc: FLV muxing is supported.
  applehttp: Handle AES-128 encrypted streams
  Add a protocol handler for AES CBC decryption with PKCS7 padding
  doc: Mention that DragonFly BSD requires __BSD_VISIBLE set

Conflicts:
	ffplay.c
	ffprobe.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 63 insertions, 0 deletions

diff --git a/cmdutils.c b/cmdutils.c
index 4b9ae67856..ffc22bfd4e 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -153,6 +153,66 @@ static const OptionDef* find_option(const OptionDef *po, const char *name){
     return po;
 }
 
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+/* Will be leaked on exit */
+static char** win32_argv_utf8 = NULL;
+static int win32_argc = 0;
+
+/**
+ * Prepare command line arguments for executable.
+ * For Windows - perform wide-char to UTF-8 conversion.
+ * Input arguments should be main() function arguments.
+ * @param argc_ptr Arguments number (including executable)
+ * @param argv_ptr Arguments list.
+ */
+static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
+{
+    char *argstr_flat;
+    wchar_t **argv_w;
+    int i, buffsize = 0, offset = 0;
+
+    if (win32_argv_utf8) {
+        *argc_ptr = win32_argc;
+        *argv_ptr = win32_argv_utf8;
+        return;
+    }
+
+    win32_argc = 0;
+    argv_w = CommandLineToArgvW(GetCommandLineW(), &win32_argc);
+    if (win32_argc <= 0 || !argv_w)
+        return;
+
+    /* determine the UTF-8 buffer size (including NULL-termination symbols) */
+    for (i = 0; i < win32_argc; i++)
+        buffsize += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
+                                        NULL, 0, NULL, NULL);
+
+    win32_argv_utf8 = av_mallocz(sizeof(char*) * (win32_argc + 1) + buffsize);
+    argstr_flat     = (char*)win32_argv_utf8 + sizeof(char*) * (win32_argc + 1);
+    if (win32_argv_utf8 == NULL) {
+        LocalFree(argv_w);
+        return;
+    }
+
+    for (i = 0; i < win32_argc; i++) {
+        win32_argv_utf8[i] = &argstr_flat[offset];
+        offset += WideCharToMultiByte(CP_UTF8, 0, argv_w[i], -1,
+                                      &argstr_flat[offset],
+                                      buffsize - offset, NULL, NULL);
+    }
+    win32_argv_utf8[i] = NULL;
+    LocalFree(argv_w);
+
+    *argc_ptr = win32_argc;
+    *argv_ptr = win32_argv_utf8;
+}
+#else
+static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
+{
+    /* nothing to do */
+}
+#endif /* WIN32 && !__MINGW32CE__ */
+
 void parse_options(int argc, char **argv, const OptionDef *options,
                    void (* parse_arg_function)(const char*))
 {
@@ -160,6 +220,9 @@ void parse_options(int argc, char **argv, const OptionDef *options,
     int optindex, handleoptions=1;
     const OptionDef *po;
 
+    /* perform system-dependent conversions for arguments list */
+    prepare_app_arguments(&argc, &argv);
+
     /* parse options */
     optindex = 1;
     while (optindex < argc) {