我在Windows XP上使用GStreamer将原始（YUV）视频流写入一系列AVI文件。我正在使用的管道的简化版本如下所示：
gst-launch -e -v videotestsrc pattern = smpte100 num-buffers = 10 horizontal-speed = 1！ video / x-raw-yuv，format =（fourcc）UYVY，width =（int）640，height =（int）480，framerate = 30/1！ ffmpegcolorspace！ avimux！ multifilesink next-file = key-frame location =＆＃34; frame_％d.avi＆＃34;索引= 1
我遇到的第一个问题是写入的第一个文件具有文件名“frame_d.avi”，即“％d”被解释为“d”，因此索引不会被替换为字符串。我猜这是Unicode问题？目前我可以通过修改filesink的源代码来解决这个问题，但是如果可能的话我宁愿不这样做。
我遇到的第二个问题是，当我尝试在Windows Media Player中查看AVI文件时，我收到消息：
“Windows Media Player无法播放该文件。播放器可能不支持该文件类型，或者可能不支持用于压缩文件的编解码器。“
当我尝试在管道中使用filesink元素（而不是multifilesink）时，我可以在Media Player中查看视频。
使用Hex编辑器查看文件内容我可以看到，当使用multifilesink时，已经写出了一个AVI标题，后面跟着YUV数据：
5249464610030000415649204c495354f80200006864726c6176696838000000 3582000080969800000000000000000000000000000000000100000000000000 80020000e0010000000000000000000000000000000000004c49535494020000 7374726c73747268380000007669647359555932000000000000000000000000 010000001e000000000000000000000000000000000000000000000000000000 0000000073747266280000002800000080020000e00100000100100059555932 00b00400000000000000000000000000000000004a554e4b1802000004000000 0000000030306462000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000004c495354100000006f646d6c 646d6c6804000000000000004c495354040000006d6f76693030646200600900 eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80 eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80 eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80 eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80 eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80 eb80eb80eb80eb80eb80eb80eb80eb80eb80eb80eb48d289d210d292d210d292 d210d292d210d292d210d292d210d292d210d292d210d292d210d292d210d292 d210d292d210d292d210d292d210d292d210d292d210d292d210d292d210d292 d210d292d210d292d210d292d210d292d210d292d210d292d210d292d210d292 d210d292d210d292d210d292d210d292d210d292d210d292d210d292d210d292 d210d292d210d292d210d292d210d292d210d292d210d292d210d292d210d292 d210d292d210d292d210d292aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10 aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10 aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10 aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10 aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10 aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10aaa6aa10 aaa6aa1091369122913691229136912291369122913691229136912291369122 9136912291369122913691229136912291369122913691229136912291369122 9136912291369122913691229136912291369122913691229136912291369122 9136912291369122913691229136912291369122913691229136912291369122 9136912291369122913691229136912291369122913691229136912291369122 91369122913691229136912291369122913691229136912291806a806aca6ade 6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade 6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade 6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade 6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade 6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade6aca6ade 6aca6ade6aca6ade6aca6ade6aca6ade6a9251e7515a51f0515a51f0515a51f0 515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0 515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0 515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0 515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0 515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0515a51f0 515a51f0515a51f029f0296e29f0296e29f0296e29f0296e29f0296e29f0296e 29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e 29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e 29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e 29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e 29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e29f0296e
当我使用filesink（并且正确播放）时生成的标题如下所示：
5249464608c45d00415649204c495354f80200006864726c6176696838000000 35820000b840190100000000100000000a000000000000000100000000000000 80020000e0010000000000000000000000000000000000004c49535494020000 7374726c73747268380000007669647359555932000000000000000000000000 010000001e000000000000000a00000000600900000000000000000000000000 0000000073747266280000002800000080020000e00100000100100059555932 00b00400000000000000000000000000000000004a554e4b1802000004000000 0000000030306462000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000000000000000000004c495354100000006f646d6c 646d6c68040000000a0000004c49535454c05d006d6f76693030646200600900
数据本身看起来不错;除了avimux强制从UYUV转换到YUY2的事实，这意味着我需要修改avimux来支持这一点。
为什么multifilesink写出的标题与filesink写出的标题不同，为什么这些差异会阻止视频播放？
提前感谢任何想法。
答案 0 :(得分：1)
在dos命令promt上，您需要编写
location="frame_%%d.avi"
转义％char。关于您的实际问题，multifilesink对于多路复用内容不会以这种方式工作。您可以将它用于无头内容。 avimux不会在后续部分写入新标题。放上avimux可能会更容易！ filesink组合到一个bin，在某些事件中，发送一个eos to bin，将bin设置为ready，更改文件名并将其设置回播放。