libavcodec/h264.c:2002: error: Buffer Overrun L2
  Offset: [min(0, `p`), 12+max(0, `p`)] (⇐ [min(0, `p`), max(0, `p`)] + [0, 12]) Size: 3 by call to `ff_svq3_luma_dc_dequant_idct_c`.

libavcodec/h264.c:1889:1: Parameter `p`
1887. }
1888. 
1889. static av_always_inline void hl_decode_mb_predict_luma(H264Context *h,
      ^
1890.                                                        int mb_type, int is_h264,
1891.                                                        int simple,

libavcodec/h264.c:2002:13: Call
2000.             }
2001.         } else if (CONFIG_SVQ3_DECODER)
2002.             ff_svq3_luma_dc_dequant_idct_c(h->mb + p * 256,
                  ^
2003.                                            h->mb_luma_dc[p], qscale);
2004.     }

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:145:28: Array access: Offset: [min(0, p), 12+max(0, p)] (⇐ [min(0, p), max(0, p)] + [0, 12]) Size: 3 by call to `ff_svq3_luma_dc_dequant_idct_c` 
  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]);
  147.         const int z2 =  7* input[4*i+1] - 17*input[4*i+3];
