Skip to content

F
ffmpeg.wasm-core
Commit b75c0a72 authored by Michael Niedermayer's avatar Michael Niedermayer
Browse files
Options

avcodec/jpeg2000dec: Fix tp_index for POC 

Fixes Ticket2586
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent c56ba5c2
Hide whitespace changes
Inline Side-by-side
Showing with 10 additions and 9 deletions
libavcodec/jpeg2000dec.c
View file @ b75c0a72
......@@ -1033,12 +1033,11 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
int RSpoc, int CSpoc,
int LYEpoc, int REpoc, int CEpoc,
int Ppoc)
int Ppoc, int *tp_index)
{
int ret = 0;
int layno, reslevelno, compno, precno, ok_reslevel;
int x, y;
int tp_index = 0;
int step_x, step_y;
switch (Ppoc) {
......@@ -1056,7 +1055,7 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2
reslevelno;
ok_reslevel = 1;
for (precno = 0; precno < rlevel->num_precincts_x * rlevel->num_precincts_y; precno++)
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index,
if ((ret = jpeg2000_decode_packet(s, tile, tp_index,
codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
......@@ -1082,7 +1081,7 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2
reslevelno;
ok_reslevel = 1;
for (precno = 0; precno < rlevel->num_precincts_x * rlevel->num_precincts_y; precno++)
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index,
if ((ret = jpeg2000_decode_packet(s, tile, tp_index,
codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
......@@ -1142,7 +1141,7 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2
}
for (layno = 0; layno < LYEpoc; layno++) {
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index, codsty, rlevel,
if ((ret = jpeg2000_decode_packet(s, tile, tp_index, codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
qntsty->nguardbits)) < 0)
......@@ -1213,7 +1212,7 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2
}
for (layno = 0; layno < LYEpoc; layno++) {
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index,
if ((ret = jpeg2000_decode_packet(s, tile, tp_index,
codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
......@@ -1280,7 +1279,7 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2
}
for (layno = 0; layno < LYEpoc; layno++) {
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index, codsty, rlevel,
if ((ret = jpeg2000_decode_packet(s, tile, tp_index, codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
qntsty->nguardbits)) < 0)
......@@ -1302,6 +1301,7 @@ static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2
static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
{
int ret, i;
int tp_index = 0;
s->bit_index = 8;
if (tile->poc.nb_poc) {
......@@ -1310,7 +1310,7 @@ static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile
ret = jpeg2000_decode_packets_po_iteration(s, tile,
e->RSpoc, e->CSpoc,
e->LYEpoc, e->REpoc, e->CEpoc,
e->Ppoc
e->Ppoc, &tp_index
);
if (ret < 0)
return ret;
......@@ -1321,7 +1321,8 @@ static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile
tile->codsty[0].nlayers,
33,
s->ncomponents,
tile->codsty[0].prog_order
tile->codsty[0].prog_order,
&tp_index
);
}
/* EOC marker reached */
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment