generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

j2k:decode_tile() pass picture as argument

Browse Source 
Reduce diff to jpeg2000dec

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-30 17:03:07 +02:00
parent 9ccc9f30f7
commit 941a8efae2
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
libavcodec/j2kdec.c
View File

@ -924,7 +924,9 @@ static void mct_decode(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
}
}
static int decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
static int decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
AVFrame *picture)
)
{
int compno, reslevelno, bandno;
int x, y;
@ -991,7 +993,7 @@ static int decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
int32_t *i_datap = comp->i_data;
y = tile->comp[compno].coord[1][0] - s->image_offset_y;
line = s->picture->data[0] + y * s->picture->linesize[0];
line = picture->data[0] + y * picture->linesize[0];
for (; y < tile->comp[compno].coord[1][1] - s->image_offset_y; y += s->cdy[compno]) {
uint8_t *dst;
@ -1011,7 +1013,7 @@ static int decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
i_datap++;
dst += s->ncomponents;
}
line += s->picture->linesize[0];
line += picture->linesize[0];
}
}
} else {
@ -1022,7 +1024,7 @@ static int decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
uint16_t *linel;
y = tile->comp[compno].coord[1][0] - s->image_offset_y;
linel = (uint16_t*)s->picture->data[0] + y * (s->picture->linesize[0] >> 1);
linel = (uint16_t*)picture->data[0] + y * (picture->linesize[0] >> 1);
for (; y < tile->comp[compno].coord[1][1] - s->image_offset_y; y += s->cdy[compno]) {
uint16_t *dst;
@ -1042,7 +1044,7 @@ static int decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile)
i_datap++;
dst += s->ncomponents;
}
linel += s->picture->linesize[0]>>1;
linel += picture->linesize[0]>>1;
}
}
}
@ -1216,7 +1218,7 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data,
goto err_out;
for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++)
if (ret = decode_tile(s, s->tile + tileno))
if (ret = decode_tile(s, s->tile + tileno, s->picture))
goto err_out;
jpeg2000_dec_cleanup(s);