From fbd312fd911bd16b8cec0825542f395f711bb722 Mon Sep 17 00:00:00 2001 From: Loren Merritt Date: Mon, 5 Sep 2005 17:07:52 +0000 Subject: [PATCH] fix emulated edge motion compensation when resolution%16!=0 Originally committed as revision 4561 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index dce728d7d0..4ffbb9ec0a 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2578,6 +2578,8 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int emu=0; const int full_mx= mx>>2; const int full_my= my>>2; + const int pic_width = 16*s->mb_width; + const int pic_height = 16*s->mb_height; assert(pic->data[0]); @@ -2586,9 +2588,9 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, if( full_mx < 0-extra_width || full_my < 0-extra_height - || full_mx + 16/*FIXME*/ > s->width + extra_width - || full_my + 16/*FIXME*/ > s->height + extra_height){ - ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, s->width, s->height); + || full_mx + 16/*FIXME*/ > pic_width + extra_width + || full_my + 16/*FIXME*/ > pic_height + extra_height){ + ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height); src_y= s->edge_emu_buffer + 2 + 2*s->linesize; emu=1; } @@ -2601,13 +2603,13 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, if(s->flags&CODEC_FLAG_GRAY) return; if(emu){ - ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1); + ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1); src_cb= s->edge_emu_buffer; } chroma_op(dest_cb, src_cb, s->uvlinesize, chroma_height, mx&7, my&7); if(emu){ - ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), s->width>>1, s->height>>1); + ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1); src_cr= s->edge_emu_buffer; } chroma_op(dest_cr, src_cr, s->uvlinesize, chroma_height, mx&7, my&7);