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authorMichael Niedermayer <michaelni@gmx.at>2013-09-16 03:00:54 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-09-16 03:00:54 +0200
commit7fb2622456b9c43b96b2a1e64a3aeb13281ce3de (patch)
tree8ce0315d10824e976aaba30300f7e6dd7f2f26c2 /libavcodec
parent1e4e0bd907ebf4e69af84276f789f304f52a280f (diff)
avcodec/mjpegdec: rgba64 ljpeg support
Fixes Ticket2965 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/mjpegdec.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 266254ca35..fcf7ec1806 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -371,7 +371,7 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
break;
case 0x11111111:
if (s->rgb)
- s->avctx->pix_fmt = AV_PIX_FMT_ABGR;
+ s->avctx->pix_fmt = s->bits <= 8 ? AV_PIX_FMT_ABGR : AV_PIX_FMT_RGBA64;
else {
s->avctx->pix_fmt = s->bits <= 8 ? AV_PIX_FMT_YUVA444P : AV_PIX_FMT_YUVA444P16;
s->avctx->color_range = s->cs_itu601 ? AVCOL_RANGE_MPEG : AVCOL_RANGE_JPEG;
@@ -868,8 +868,14 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p
if (s->nb_components == 4) {
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[4*mb_x+3-c] = buffer[mb_x][i];
+ if (s->bits <= 8) {
+ for(mb_x = 0; mb_x < s->mb_width; mb_x++) {
+ ptr[4*mb_x+3-c] = buffer[mb_x][i];
+ }
+ } else {
+ for(mb_x = 0; mb_x < s->mb_width; mb_x++) {
+ ((uint16_t*)ptr)[4*mb_x+c] = buffer[mb_x][i];
+ }
}
}
} else if (s->rct) {