mirror of https://git.ffmpeg.org/ffmpeg.git
Correct edge MC for chroma
Originally committed as revision 5813 to svn://svn.ffmpeg.org/ffmpeg/trunk
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1997a98875
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83b3df83d3
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@ -1123,8 +1123,8 @@ static void vc1_mc_4mv_chroma(VC1Context *v)
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uvsrc_y = clip(uvsrc_y, -8, s->mb_height * 8);
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uvsrc_y = clip(uvsrc_y, -8, s->mb_height * 8);
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srcU = s->last_picture.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcU = s->last_picture.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcV = s->last_picture.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcV = s->last_picture.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
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if((unsigned)uvsrc_x > (s->h_edge_pos >> 1) - ((uvmx >> 1)&1) - 8
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if((unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9
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|| (unsigned)uvsrc_y > (s->v_edge_pos >> 1) - ((uvmy >> 1)&1) - 8){
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|| (unsigned)uvsrc_y > (s->v_edge_pos >> 1) - 9){
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ff_emulated_edge_mc(s->edge_emu_buffer , srcU, s->uvlinesize, 8+1, 8+1,
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ff_emulated_edge_mc(s->edge_emu_buffer , srcU, s->uvlinesize, 8+1, 8+1,
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uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
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uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
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ff_emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize, 8+1, 8+1,
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ff_emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize, 8+1, 8+1,
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