From: Michael Niedermayer <[email protected]>

Signed-off-by: Luca Barbato <[email protected]>
---
 libavcodec/jpeg2k.h    |    4 ----
 libavcodec/jpeg2kdec.c |    8 +++-----
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/libavcodec/jpeg2k.h b/libavcodec/jpeg2k.h
index f3e11cb..b73c086 100644
--- a/libavcodec/jpeg2k.h
+++ b/libavcodec/jpeg2k.h
@@ -136,8 +136,6 @@ typedef struct Jpeg2KCodingStyle {
             log2_cblk_height; // exponent of codeblock size
     uint8_t transform;        // DWT type
     uint8_t csty;             // coding style
-    uint8_t log2_prec_width,
-            log2_prec_height; // precinct size
     uint8_t nlayers;          // number of layers
     uint8_t mct;              // multiple component transformation
     uint8_t cblk_style;       // codeblock coding style
@@ -172,7 +170,6 @@ typedef struct Jpeg2KCblk {
 } Jpeg2KCblk; // code block
 
 typedef struct Jpeg2KPrec {
-    uint16_t xi0, yi0; // codeblock indexes ([xi0, xi1))
     uint16_t nb_codeblocks_width;
     uint16_t nb_codeblocks_height;
     Jpeg2KTgtNode *zerobits;
@@ -186,7 +183,6 @@ typedef struct Jpeg2KPrec {
 typedef struct Jpeg2KBand {
     uint16_t coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
     uint16_t log2_cblk_width, log2_cblk_height;
-    uint16_t cblknx, cblkny;
     float stepsize; // quantization stepsize
     Jpeg2KPrec *prec;
 } Jpeg2KBand; // subband
diff --git a/libavcodec/jpeg2kdec.c b/libavcodec/jpeg2kdec.c
index afba557..bf1fd10 100644
--- a/libavcodec/jpeg2kdec.c
+++ b/libavcodec/jpeg2kdec.c
@@ -318,6 +318,9 @@ static int get_cox(Jpeg2KDecoderContext *s, 
Jpeg2KCodingStyle *c)
             c->log2_prec_widths[i]  =  byte       & 0x0F;    // precinct PPx
             c->log2_prec_heights[i] = (byte >> 4) & 0x0F;    // precinct PPy
         }
+    } else {
+        memset(c->log2_prec_widths , 15, sizeof(c->log2_prec_widths ));
+        memset(c->log2_prec_heights, 15, sizeof(c->log2_prec_heights));
     }
     return 0;
 }
@@ -332,9 +335,6 @@ static int get_cod(Jpeg2KDecoderContext *s, 
Jpeg2KCodingStyle *c,
     if (bytestream2_get_bytes_left(&s->g) < 5)
         return AVERROR_INVALIDDATA;
 
-    tmp.log2_prec_width  =
-    tmp.log2_prec_height = 15;
-
     tmp.csty = bytestream2_get_byteu(&s->g);
 
     // get progression order
@@ -650,8 +650,6 @@ static int jpeg2k_decode_packet(Jpeg2KDecoderContext *s,
         if (band->coord[0][0] == band->coord[0][1] ||
             band->coord[1][0] == band->coord[1][1])
             continue;
-        prec->yi0 = 0;
-        prec->xi0 = 0;
         nb_code_blocks =  prec->nb_codeblocks_height *
                           prec->nb_codeblocks_width;
         for (cblkno = 0; cblkno < nb_code_blocks; cblkno++) {
-- 
1.7.9.5

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