af_pan: avoid spaces before % to avoid possible issues with MSVC

Found-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-12 10:45:11 +02:00
parent 3c821e7550
commit 80116b6e67
1 changed files with 10 additions and 9 deletions

View File

@ -55,14 +55,23 @@ typedef struct PanContext {
struct SwrContext *swr;
} PanContext;
static void skip_spaces(char **arg)
{
int len = 0;
sscanf(*arg, " %n", &len);
*arg += len;
}
static int parse_channel_name(char **arg, int *rchannel, int *rnamed)
{
char buf[8];
int len, i, channel_id = 0;
int64_t layout, layout0;
skip_spaces(arg);
/* try to parse a channel name, e.g. "FL" */
if (sscanf(*arg, " %7[A-Z] %n", buf, &len)) {
if (sscanf(*arg, "%7[A-Z]%n", buf, &len)) {
layout0 = layout = av_get_channel_layout(buf);
/* channel_id <- first set bit in layout */
for (i = 32; i > 0; i >>= 1) {
@ -90,14 +99,6 @@ static int parse_channel_name(char **arg, int *rchannel, int *rnamed)
return AVERROR(EINVAL);
}
static void skip_spaces(char **arg)
{
int len = 0;
sscanf(*arg, " %n", &len);
*arg += len;
}
static av_cold int init(AVFilterContext *ctx, const char *args0)
{
PanContext *const pan = ctx->priv;