diff options
Diffstat (limited to 'libavcodec/mjpegbdec.c')
| -rw-r--r-- | libavcodec/mjpegbdec.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/libavcodec/mjpegbdec.c b/libavcodec/mjpegbdec.c index 9d5a8f31ef..5edc0e4e24 100644 --- a/libavcodec/mjpegbdec.c +++ b/libavcodec/mjpegbdec.c @@ -45,10 +45,10 @@ static int mjpegb_decode_frame(AVCodecContext *avctx, int buf_size = avpkt->size; MJpegDecodeContext *s = avctx->priv_data; const uint8_t *buf_end, *buf_ptr; - AVFrame *picture = data; GetBitContext hgb; /* for the header */ uint32_t dqt_offs, dht_offs, sof_offs, sos_offs, second_field_offs; uint32_t field_size, sod_offs; + int ret; buf_ptr = buf; buf_end = buf + buf_size; @@ -136,17 +136,13 @@ read_header: //XXX FIXME factorize, this looks very similar to the EOI code - *picture= *s->picture_ptr; + if ((ret = av_frame_ref(data, s->picture_ptr)) < 0) + return ret; *got_frame = 1; - if(!s->lossless){ - picture->quality= FFMAX3(s->qscale[0], s->qscale[1], s->qscale[2]); - picture->qstride= 0; - picture->qscale_table= s->qscale_table; - memset(picture->qscale_table, picture->quality, (s->width+15)/16); - if(avctx->debug & FF_DEBUG_QP) - av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", picture->quality); - picture->quality*= FF_QP2LAMBDA; + if (!s->lossless && avctx->debug & FF_DEBUG_QP) { + av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", + FFMAX3(s->qscale[0], s->qscale[1], s->qscale[2])); } return buf_size; |