ffplay 播放视频出现有声音没有图像，偶尔正常

[Jhone.Yu]

下面播放过程中的log信息。

yuzhh@yuzhh-virtual-machine:~/yzh$ ffplay 123.flv

ffplay version 3.3 Copyright (c) 2003-2017 the FFmpeg developers
built with gcc 4.4.7 (Ubuntu/Linaro 4.4.7-8ubuntu1)
configuration: --enable-gpl --enable-nonfree --enable-pthreads --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libx264 --enable-x11grab --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopencore-amrnb --enable-version3 --disable-optimizations --disable-asm --enable-ffplay
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
libpostproc 54. 5.100 / 54. 5.100
Input #0, flv, from '123.flv':= 0KB vq= 0KB sq= 0B f=0/0
Metadata:
metadatacreator : modify by youku.com in 20090909
hasKeyframes : true
hasVideo : true
hasAudio : true
hasMetadata : true
canSeekToEnd : false
datasize : 13446635
videosize : 11566719
audiosize : 1818152
lasttimestamp : 423
lastkeyframetimestamp: 417
lastkeyframelocation: 13267336
Duration: 00:07:02.56, start: 0.000000, bitrate: 254 kb/s
Stream #0:0: Video: h264 (Main), yuv420p(progressive), 512x288 [SAR 1:1 DAR 16:9], 217 kb/s, 15 fps, 15 tbr, 1k tbn, 30 tbc
Stream #0:1: Audio: aac (HE-AAC), 44100 Hz, stereo, fltp, 32 kb/s
6.63 A-V: -0.059 fd= 2 aq= 10KB vq= 9KB sq= 0B f=0/0

yuzhh@yuzhh-virtual-machine:~/yzh$