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authorHendrik Leppkes <h.leppkes@gmail.com>2013-03-15 20:44:57 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-03-16 23:52:35 +0100
commitd8dccf69ff2df7014a2bb8e0e17828a820f45b27 (patch)
tree4f0f2db72dd1aa529b807fe48b104b8139e12c0d
parent8d84e90c9bf1a06ce107aedbf6db651fa276d6e5 (diff)
downloadffmpeg-d8dccf69ff2df7014a2bb8e0e17828a820f45b27.tar.gz
lavfi: let gcc realign the stack on public graph driving functions
The functions which actually drive the filter graph by pushing frames through it need to ensure an aligned stack for SIMD functions. This fixes a crash in YADIF filter when using a mingw build in a MSVC application. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavfilter/buffersink.c8
-rw-r--r--libavfilter/buffersrc.c4
2 files changed, 6 insertions, 6 deletions
diff --git a/libavfilter/buffersink.c b/libavfilter/buffersink.c
index 8236f22b76..9bbc8d93b2 100644
--- a/libavfilter/buffersink.c
+++ b/libavfilter/buffersink.c
@@ -117,7 +117,7 @@ int av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame)
return av_buffersink_get_frame_flags(ctx, frame, 0);
}
-int av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
+int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
{
BufferSinkContext *buf = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
@@ -169,7 +169,7 @@ static int read_from_fifo(AVFilterContext *ctx, AVFrame *frame,
}
-int av_buffersink_get_samples(AVFilterContext *ctx, AVFrame *frame, int nb_samples)
+int attribute_align_arg av_buffersink_get_samples(AVFilterContext *ctx, AVFrame *frame, int nb_samples)
{
BufferSinkContext *s = ctx->priv;
AVFilterLink *link = ctx->inputs[0];
@@ -264,7 +264,7 @@ static void compat_free_buffer(AVFilterBuffer *buf)
av_free(buf);
}
-static int compat_read(AVFilterContext *ctx, AVFilterBufferRef **pbuf, int nb_samples, int flags)
+static int attribute_align_arg compat_read(AVFilterContext *ctx, AVFilterBufferRef **pbuf, int nb_samples, int flags)
{
AVFilterBufferRef *buf;
AVFrame *frame;
@@ -348,7 +348,7 @@ AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx)
return ctx->inputs[0]->frame_rate;
}
-int av_buffersink_poll_frame(AVFilterContext *ctx)
+int attribute_align_arg av_buffersink_poll_frame(AVFilterContext *ctx)
{
BufferSinkContext *buf = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index 80fd2be559..54a58fe1e9 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -113,8 +113,8 @@ int av_buffersrc_add_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags
return ret;
}
-static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
- AVFrame *frame, int flags)
+static int attribute_align_arg av_buffersrc_add_frame_internal(AVFilterContext *ctx,
+ AVFrame *frame, int flags)
{
BufferSourceContext *s = ctx->priv;
AVFrame *copy;