diff options
| -rw-r--r-- | libswresample/audioconvert.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libswresample/audioconvert.c b/libswresample/audioconvert.c index ba47188bb3..7598bba05d 100644 --- a/libswresample/audioconvert.c +++ b/libswresample/audioconvert.c @@ -47,9 +47,16 @@ struct AudioConvert { #define CONV_FUNC(ofmt, otype, ifmt, expr)\ static void CONV_FUNC_NAME(ofmt, ifmt)(uint8_t *po, const uint8_t *pi, int is, int os, uint8_t *end)\ {\ - do{\ + uint8_t *end2 = end - 3*os;\ + while(po < end2){\ *(otype*)po = expr; pi += is; po += os;\ - }while(po < end);\ + *(otype*)po = expr; pi += is; po += os;\ + *(otype*)po = expr; pi += is; po += os;\ + *(otype*)po = expr; pi += is; po += os;\ + }\ + while(po < end){\ + *(otype*)po = expr; pi += is; po += os;\ + }\ } //FIXME put things below under ifdefs so we do not waste space for cases no codec will need |