From 6b460aa387530feefc91302c150a3405997e61cf Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 11 Sep 2002 07:26:43 +0000 Subject: [PATCH] reducing sizeof MpegEncContext to avoid stack overflow on crap M$ windo$ Originally committed as revision 914 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpegvideo.c | 4 ++++ libavcodec/mpegvideo.h | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 7a15b761e4..70eb782a00 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -245,6 +245,9 @@ int MPV_common_init(MpegEncContext *s) CHECKED_ALLOCZ( s->pb2_buffer, PB_BUFFER_SIZE); } + if(s->msmpeg4_version){ + CHECKED_ALLOCZ(s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int)); + } CHECKED_ALLOCZ(s->avctx->stats_out, 256); } @@ -349,6 +352,7 @@ void MPV_common_end(MpegEncContext *s) av_freep(&s->edge_emu_buffer); av_freep(&s->non_b_mv4_table); av_freep(&s->avctx->stats_out); + av_freep(&s->ac_stats); for(i=0;i<3;i++) { int j; diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index 00e6ebe46e..611671bf65 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -415,7 +415,7 @@ typedef struct MpegEncContext { UINT8 *intra_v_scantable; UINT8 *intra_h_scantable; /* [mb_intra][isChroma][level][run][last] */ - int ac_stats[2][2][MAX_LEVEL+1][MAX_RUN+1][2]; + int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2]; int inter_intra_pred; /* decompression specific */