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mjpegdec: export qp table

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-03-14 02:13:39 +01:00
parent a0813e7f00
commit ff9adf5725
1 changed files with 13 additions and 6 deletions
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19
libavcodec/mjpegdec.c
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@ -1743,12 +1743,19 @@ eoi_parser:
*got_frame = 1;
s->got_picture = 0;
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]));
if (!s->lossless) {
int qp = FFMAX3(s->qscale[0],
s->qscale[1],
s->qscale[2]);
int qpw = (s->width + 15) / 16;
AVBufferRef *qp_table_buf = av_buffer_alloc(qpw);
if (qp_table_buf) {
memset(qp_table_buf->data, qp, qpw);
av_frame_set_qp_table(data, qp_table_buf, 0, FF_QSCALE_TYPE_MPEG1);
}
if(avctx->debug & FF_DEBUG_QP)
av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", qp);
}
goto the_end;