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avcodec/mjpegdec: print a message when there was just a single field and no frame

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Fixes ticket1915

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-14 18:51:13 +02:00
parent 93f4277714
commit dabfa80ce2
1 changed files with 4 additions and 0 deletions
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4
libavcodec/mjpegdec.c
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@ -1972,6 +1972,10 @@ av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx)
MJpegDecodeContext *s = avctx->priv_data;
int i, j;
if (s->interlaced && s->bottom_field == !s->interlace_polarity && s->got_picture && !avctx->frame_number) {
av_log(avctx, AV_LOG_INFO, "Single field\n");
}
if (s->picture_ptr)
av_frame_unref(s->picture_ptr);