[FFmpeg-cvslog] avcodec/mjpegdec: print a message when there was just a single field and no frame

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Aug 14 18:51:13 2013 +0200| [dabfa80ce27f1e93e3d265db9d3f38a819e144af] | committer: Michael Niedermayer

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

Fixes ticket1915

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dabfa80ce27f1e93e3d265db9d3f38a819e144af
---

 libavcodec/mjpegdec.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 76a4a31..6e16152 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -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);