libavcodec/h264.c:1728: error: Buffer Overrun L2
  Offset: [1+min(0, `p`), 13+max(0, `p`)] (⇐ [min(0, `p`), max(0, `p`)] + [1, 13]) Size: 3 by call to `ff_svq3_luma_dc_dequant_idct_c`.

libavcodec/h264.c:1629:1: Parameter `p`
1627. }
1628. 
1629. static av_always_inline void hl_decode_mb_predict_luma(H264Context *h, int mb_type, int is_h264, int simple, int transform_bypass,
      ^
1630.                                                        int pixel_shift, int *block_offset, int linesize, uint8_t *dest_y, int p)
1631. {

libavcodec/h264.c:1728:13: Call
1726.             }
1727.         }else
1728.             ff_svq3_luma_dc_dequant_idct_c(h->mb+p*256, h->mb_luma_dc[p], qscale);
                  ^
1729.     }
1730. }

libavcodec/svq3.c:144:9: <Offset trace>
142.     static const uint8_t x_offset[4]={0, 1*stride, 4*stride, 5*stride};
143. 
144.     for(i=0; i<4; i++){
             ^
145.         const int z0 = 13*(input[4*i+0] +    input[4*i+2]);
146.         const int z1 = 13*(input[4*i+0] -    input[4*i+2]);

libavcodec/svq3.c:144:9: Assignment
  142.     static const uint8_t x_offset[4]={0, 1*stride, 4*stride, 5*stride};
  143. 
  144.     for(i=0; i<4; i++){
               ^
  145.         const int z0 = 13*(input[4*i+0] +    input[4*i+2]);
  146.         const int z1 = 13*(input[4*i+0] -    input[4*i+2]);

libavcodec/svq3.c:137:1: <Length trace>
135. };
136. 
137. void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp){
     ^
138.     const int qmul = svq3_dequant_coeff[qp];
139. #define stride 16

libavcodec/svq3.c:137:1: Parameter `*input`
  135. };
  136. 
  137. void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp){
       ^
  138.     const int qmul = svq3_dequant_coeff[qp];
  139. #define stride 16

libavcodec/svq3.c:147:28: Array access: Offset: [1+min(0, p), 13+max(0, p)] (⇐ [min(0, p), max(0, p)] + [1, 13]) Size: 3 by call to `ff_svq3_luma_dc_dequant_idct_c` 
  145.         const int z0 = 13*(input[4*i+0] +    input[4*i+2]);
  146.         const int z1 = 13*(input[4*i+0] -    input[4*i+2]);
  147.         const int z2 =  7* input[4*i+1] - 17*input[4*i+3];
                                  ^
  148.         const int z3 = 17* input[4*i+1] +  7*input[4*i+3];
  149. 
