int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
/**
- * allocates a Picture
- * The pixels are allocated/set by calling get_buffer() if shared=0
+ * Allocate a Picture.
+ * The pixels are allocated/set by calling get_buffer() if shared = 0.
*/
int alloc_picture(MpegEncContext *s, Picture *pic, int shared);
/**
- * sets the given MpegEncContext to common defaults (same for encoding and decoding).
- * the changed fields will not depend upon the prior state of the MpegEncContext.
+ * Set the given MpegEncContext to common defaults (same for encoding and decoding).
+ * The changed fields will not depend upon the prior state of the MpegEncContext.
*/
void MPV_common_defaults(MpegEncContext *s);
if (src_y == (s->height >> 1))
dxy &= ~2;
- offset = (src_y * (s->uvlinesize)) + src_x;
+ offset = src_y * s->uvlinesize + src_x;
ptr = ref_picture[1] + offset;
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x > (s->h_edge_pos>>1) - (dxy &1) - 8