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reducing sizeof MpegEncContext to avoid stack overflow on crap M$ windo$

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Originally committed as revision 914 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2002-09-11 07:26:43 +00:00
parent df1b2c141b
commit 6b460aa387
2 changed files with 5 additions and 1 deletions
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4
libavcodec/mpegvideo.c
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@ -245,6 +245,9 @@ int MPV_common_init(MpegEncContext *s)
CHECKED_ALLOCZ( s->pb2_buffer, PB_BUFFER_SIZE); 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); 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->edge_emu_buffer);
av_freep(&s->non_b_mv4_table); av_freep(&s->non_b_mv4_table);
av_freep(&s->avctx->stats_out); av_freep(&s->avctx->stats_out);
av_freep(&s->ac_stats);
for(i=0;i<3;i++) { for(i=0;i<3;i++) {
int j; int j;

2
libavcodec/mpegvideo.h
View File

@ -415,7 +415,7 @@ typedef struct MpegEncContext {
UINT8 *intra_v_scantable; UINT8 *intra_v_scantable;
UINT8 *intra_h_scantable; UINT8 *intra_h_scantable;
/* [mb_intra][isChroma][level][run][last] */ /* [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; int inter_intra_pred;
/* decompression specific */ /* decompression specific */