virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

replaygain: fix gain sign decoding

Browse Source 
The gain sign was incorrectly decoded: since the FFSIGN() macro treats 0 as
negative, gain values starting with "0." were always decoded as negative.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Alessandro Ghedini 2014-04-04 11:50:43 +02:00 committed by Anton Khirnov
parent f37815b1d5
commit 25b6837f7c
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavformat/replaygain.c
View File

@ -40,6 +40,7 @@ static int32_t parse_gain(const char *gain)
char *fraction;
int scale = 10000;
int32_t mb = 0;
int sign = 1;
int db;
if (!gain)
@ -47,6 +48,9 @@ static int32_t parse_gain(const char *gain)
gain += strspn(gain, " \t");
if (*gain == '-')
sign = -1;
db = strtol(gain, &fraction, 0);
if (*fraction++ == '.') {
while (av_isdigit(*fraction) && scale) {
@ -59,7 +63,7 @@ static int32_t parse_gain(const char *gain)
if (abs(db) > (INT32_MAX - mb) / 100000)
return INT32_MIN;
return db * 100000 + FFSIGN(db) * mb;
return db * 100000 + sign * mb;
}
static uint32_t parse_peak(const uint8_t *peak)