From 2f34021d57b1343bb01b377a4797bef7cbc7be3c Mon Sep 17 00:00:00 2001
From: Janne Grunau <janne-libav@jannau.net>
Date: Thu, 6 Sep 2012 21:51:31 +0200
Subject: [PATCH] avconv: flush filtered frames before reconfiguring filters
This prevents lost frames after a resolution change.
---
avconv.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/avconv.c b/avconv.c
index ea736066ecb..df09b21c789 100644
--- a/avconv.c
+++ b/avconv.c
@@ -1245,6 +1245,10 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
+ ret = poll_filters();
+ if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
+
ist->resample_width = decoded_frame->width;
ist->resample_height = decoded_frame->height;
ist->resample_pix_fmt = decoded_frame->format;
--
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