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avcodec/mjpegdec: Fix rgb48 ljpeg 

Fixes Ticket894

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-15 23:13:52 +02:00
parent 069010ffae
commit b4a5fcb998
1 changed files with 9 additions and 3 deletions
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12
libavcodec/mjpegdec.c
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@ -357,7 +357,7 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
switch (pix_fmt_id) {
case 0x11111100:
if (s->rgb)
s->avctx->pix_fmt = AV_PIX_FMT_BGR24;
s->avctx->pix_fmt = s->bits <= 8 ? AV_PIX_FMT_BGR24 : AV_PIX_FMT_BGR48;
else {
if (s->component_id[0] == 'Q' && s->component_id[1] == 'F' && s->component_id[2] == 'A') {
s->avctx->pix_fmt = s->bits <= 8 ? AV_PIX_FMT_GBRP : AV_PIX_FMT_GBRP16;
@ -887,8 +887,14 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p
} else {
for(i=0; i<nb_components; i++) {
int c= s->comp_index[i];
for(mb_x = 0; mb_x < s->mb_width; mb_x++) {
ptr[3*mb_x+2-c] = buffer[mb_x][i];
if (s->bits <= 8) {
for(mb_x = 0; mb_x < s->mb_width; mb_x++) {
ptr[3*mb_x+2-c] = buffer[mb_x][i];
}
} else {
for(mb_x = 0; mb_x < s->mb_width; mb_x++) {
((uint16_t*)ptr)[3*mb_x+2-c] = buffer[mb_x][i];
}
}
}
}