现在播放hls，rtmp视频的时候，网络变化断开，播放器执行的不是error方法，而是complete

在ff_ffplay.c中read_thread方法里
if ((!is->paused || completed) &&
(!is->audio_st || (is->auddec.finished == is->audioq.serial && frame_queue_nb_remaining(&is->sampq) == 0)) &&
(!is->video_st || (is->viddec.finished == is->videoq.serial && frame_queue_nb_remaining(&is->pictq) == 0))) {
会判断是不是完成
if (ffp->error) {
av_log(ffp, AV_LOG_INFO, "ffp_toggle_buffering: error: %d\n", ffp->error);
ffp_notify_msg1(ffp, FFP_MSG_ERROR);
} else {
ffp_notify_msg1(ffp, FFP_MSG_COMPLETED);
}
在播放hls，rtmp视频，网络出异常ffp->error是0.所以走的是完成。
但是用int sockerr = errno;得到错误吗。会是>0的数。
以至于不知道视频是不是播放完成

Start in ff_ffplay.c at the read_thread completion check and inspect how network failures set ffp->error. Compare errno from the socket failure with the FFP_MSG_ERROR and FFP_MSG_COMPLETED notification paths for HLS and RTMP playback. Done means a network interruption is distinguishable from normal playback completion and the appropriate notification is sent.

Written by the indexing model from the issue text.