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Code Issues Releases Activity

lavfi: let gcc realign the stack on public graph driving functions

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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>
This commit is contained in:
Hendrik Leppkes 2013-03-15 20:44:57 +01:00 committed by Michael Niedermayer
parent 8d84e90c9b
commit d8dccf69ff
2 changed files with 6 additions and 6 deletions
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8
libavfilter/buffersink.c
View File

@ -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];

4
libavfilter/buffersrc.c
View File

@ -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;