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pthread_frame: forward error codes when flushing

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This is the first part of the fix for ticket #4370.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 32a5b631267e1f8bf279e407039b9a99d012d033)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit acfad331adde5b4ae247bf5748211e8fdb6b4ef5)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Andreas Cadhalpun 2015-06-30 21:01:29 +02:00 committed by Michael Niedermayer
parent dc85a75332
commit a0f50ddcb8
1 changed files with 11 additions and 0 deletions
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11
libavcodec/pthread_frame.c
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@ -453,6 +453,9 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
*got_picture_ptr = p->got_frame;
picture->pkt_dts = p->avpkt.dts;
if (p->result < 0)
err = p->result;
/*
* A later call with avkpt->size == 0 may loop over all threads,
* including this one, searching for a frame to return before being
@ -470,6 +473,14 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
fctx->next_finished = finished;
/*
* When no frame was found while flushing, but an error occured in
* any thread, return it instead of 0.
* Otherwise the error can get lost.
*/
if (!avpkt->size && !*got_picture_ptr)
return err;
/* return the size of the consumed packet if no error occurred */
return (p->result >= 0) ? avpkt->size : p->result;
}