Merge commit '22e18ea3'

* commit '22e18ea3':
  jpeg2000: Optimize output sample conversion
  jpeg2000: Reset s->numX/Ytiles on tile deallocation
  jpeg2000: Optimize dequantization
  jpeg2000: Do not assume a single tile
  jpeg2000: Speed up jpeg2000_decode_tile()
  jpeg2000: Use EBCOT's CAUSAL and BYPASS mode in decode_cblk()

Conflicts:
	libavcodec/jpeg2000dec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/jpeg2000dec.c

@@ -942,9 +942,10 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty,
                        Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk,
                        int width, int height, int bandpos)
 {
-    int passno = cblk->npasses, pass_t = 2, bpno = cblk->nonzerobits - 1, y, clnpass_cnt = 0;
-    int bpass_csty_symbol = JPEG2000_CBLK_BYPASS & codsty->cblk_style;
-    int vert_causal_ctx_csty_symbol = JPEG2000_CBLK_VSC & codsty->cblk_style;
+    int passno = cblk->npasses, pass_t = 2, bpno = cblk->nonzerobits - 1, y;
+    int clnpass_cnt = 0;
+    int bpass_csty_symbol           = codsty->cblk_style & JPEG2000_CBLK_BYPASS;
+    int vert_causal_ctx_csty_symbol = codsty->cblk_style & JPEG2000_CBLK_VSC;
 
     for (y = 0; y < height; y++)
         memset(t1->data[y], 0, width * sizeof(**t1->data));
@@ -964,7 +965,8 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty,
         switch(pass_t) {
         case 0:
             decode_sigpass(t1, width, height, bpno + 1, bandpos,
-                           bpass_csty_symbol && (clnpass_cnt >= 4), vert_causal_ctx_csty_symbol);
+                           bpass_csty_symbol && (clnpass_cnt >= 4),
+                           vert_causal_ctx_csty_symbol);
             break;
         case 1:
             decode_refpass(t1, width, height, bpno + 1);
@@ -973,7 +975,8 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty,
             break;
         case 2:
             decode_clnpass(s, t1, width, height, bpno + 1, bandpos,
-                           codsty->cblk_style & JPEG2000_CBLK_SEGSYM, vert_causal_ctx_csty_symbol);
+                           codsty->cblk_style & JPEG2000_CBLK_SEGSYM,
+                           vert_causal_ctx_csty_symbol);
             clnpass_cnt = clnpass_cnt + 1;
             if (bpass_csty_symbol && clnpass_cnt >= 4)
                 ff_mqc_initdec(&t1->mqc, cblk->data);
@@ -1116,7 +1119,8 @@ static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
 
                 bandpos = bandno + (reslevelno > 0);
 
-                if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1])
+                if (band->coord[0][0] == band->coord[0][1] ||
+                    band->coord[1][0] == band->coord[1][1])
                     continue;
 
                 nb_precincts = rlevel->num_precincts_x * rlevel->num_precincts_y;