[FFmpeg-cvslog] avcodec/ffv1dec: update progress in case of broken pointer chains

[Michael Niedermayer]

ffmpeg | branch: release/2.4 | Michael Niedermayer <michael at niedermayer.cc> | Fri Oct 16 22:25:20 2015 +0200| [f0db50a57f7b0f730f217db3d1bb359696d345f0] | committer: Michael Niedermayer

avcodec/ffv1dec: update progress in case of broken pointer chains

Fixes deadlock
Fixes Ticket4932

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 5063a18f5635008b2a45ada1f8c1e21e20450029)

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f0db50a57f7b0f730f217db3d1bb359696d345f0
---

 libavcodec/ffv1dec.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index ebdafd1..5d065946 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -935,6 +935,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
         else                     v = buf_p - c->bytestream_start;
         if (buf_p - c->bytestream_start < v) {
             av_log(avctx, AV_LOG_ERROR, "Slice pointer chain broken\n");
+            ff_thread_report_progress(&f->picture, INT_MAX, 0);
             return AVERROR_INVALIDDATA;
         }
         buf_p -= v;