[FFmpeg-cvslog] avcodec/ccaptions_dec: correct flushing output on EOF

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu May 18 11:38:10 2023 +0200| [c48eff209ccd4ffc72a34dbbb9dd2be2fab4ded8] | committer: Paul B Mahol

avcodec/ccaptions_dec: correct flushing output on EOF

Prevents infinite flushing same last output.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c48eff209ccd4ffc72a34dbbb9dd2be2fab4ded8
---

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

diff --git a/libavcodec/ccaption_dec.c b/libavcodec/ccaption_dec.c
index 661a4951a4..0f5b955f15 100644
--- a/libavcodec/ccaption_dec.c
+++ b/libavcodec/ccaption_dec.c
@@ -900,6 +900,7 @@ static int decode(AVCodecContext *avctx, AVSubtitle *sub,
         ret = ff_ass_add_rect2(sub, ctx->buffer[bidx].str, ctx->readorder++, 0, NULL, NULL, &nb_rect_allocated);
         if (ret < 0)
             return ret;
+        av_bprint_clear(&ctx->buffer[bidx]);
         sub->pts = ctx->buffer_time[1];
         sub->end_display_time = av_rescale_q(ctx->buffer_time[1] - ctx->buffer_time[0],
                                              AV_TIME_BASE_Q, ms_tb);