diff options
Diffstat (limited to 'libswscale/swscale.c')
| -rw-r--r-- | libswscale/swscale.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index b9c9647fcb..040172752f 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -312,12 +312,12 @@ static int swscale(SwsContext *c, const uint8_t *src[], if (dstStride[0]&15 || dstStride[1]&15 || dstStride[2]&15 || dstStride[3]&15) { - static int warnedAlready = 0; // FIXME maybe move this into the context - if (flags & SWS_PRINT_INFO && !warnedAlready) { + SwsContext *const ctx = c->parent ? c->parent : c; + if (flags & SWS_PRINT_INFO && + !atomic_exchange_explicit(&ctx->stride_unaligned_warned, 1, memory_order_relaxed)) { av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n" " ->cannot do aligned memory accesses anymore\n"); - warnedAlready = 1; } } @@ -326,11 +326,11 @@ static int swscale(SwsContext *c, const uint8_t *src[], || dstStride[0]&15 || dstStride[1]&15 || dstStride[2]&15 || dstStride[3]&15 || srcStride[0]&15 || srcStride[1]&15 || srcStride[2]&15 || srcStride[3]&15 ) { - static int warnedAlready=0; + SwsContext *const ctx = c->parent ? c->parent : c; int cpu_flags = av_get_cpu_flags(); - if (HAVE_MMXEXT && (cpu_flags & AV_CPU_FLAG_SSE2) && !warnedAlready){ + if (HAVE_MMXEXT && (cpu_flags & AV_CPU_FLAG_SSE2) && + !atomic_exchange_explicit(&ctx->stride_unaligned_warned,1, memory_order_relaxed)) { av_log(c, AV_LOG_WARNING, "Warning: data is not aligned! This can lead to a speed loss\n"); - warnedAlready=1; } } |