如何在基本原始格式中播放端口音频

发布于 2024-10-07 04:45:47 字数 917 浏览 1 评论 0原文

我如何进行原始发送和原始接收？这不起作用，我无法播放我发送的内容：

Send: $ gst-launch -v autoaudiosrc ! udpsink host=127.0.0.1 auto-multicast=true port=4444

Recv/play:
[root@example ~]# gst-launch udpsrc multicast-group=127.0.0.1 port=4444 ! autoaudiosink
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
ERROR: from element /GstPipeline:pipeline0/GstAutoAudioSink:autoaudiosink0/GstPulseSink:autoaudiosink0-actual-sink-pulse: The stream is in the wrong format.
Additional debug info:
gstbaseaudiosink.c(866): gst_base_audio_sink_preroll (): /GstPipeline:pipeline0/GstAutoAudioSink:autoaudiosink0/GstPulseSink:autoaudiosink0-actual-sink-pulse:
sink not negotiated.
Execution ended after 16110169 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
[root@example ~]#

原文

How can i do raw send and raw receive ? This is not working, i cant play what i sended:

Send: $ gst-launch -v autoaudiosrc ! udpsink host=127.0.0.1 auto-multicast=true port=4444

Recv/play:
[root@example ~]# gst-launch udpsrc multicast-group=127.0.0.1 port=4444 ! autoaudiosink
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
ERROR: from element /GstPipeline:pipeline0/GstAutoAudioSink:autoaudiosink0/GstPulseSink:autoaudiosink0-actual-sink-pulse: The stream is in the wrong format.
Additional debug info:
gstbaseaudiosink.c(866): gst_base_audio_sink_preroll (): /GstPipeline:pipeline0/GstAutoAudioSink:autoaudiosink0/GstPulseSink:autoaudiosink0-actual-sink-pulse:
sink not negotiated.
Execution ended after 16110169 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
[root@example ~]#

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平安喜乐 2024-10-14 04:45:47

您需要指定源的功能。这实际上是 ERROR: from element /GstPipeline:pipeline0/GstAudioConvert:audioconvert0: not negoded 的含义。
（在 gst-launch 上使用 -v 标志来查看有关错误的更多详细信息）。

所以，解决方案是：

$ gst-launch -v udpsrc multicast-group=127.0.0.1 port=4444 \
    ! audio/x-raw-int, endianness=1234, signed=true, width=16, depth=16, rate=44100, channels=2 \
    ! autoaudiosink

实际上，我只是从发送 gst-launch 的详细输出中复制了功能。

You need to specify capabilities for source. This is what actually ERROR: from element /GstPipeline:pipeline0/GstAudioConvert:audioconvert0: not negotiated means.
(Use -v flag on gst-launch to see more details on errors).

So, the solution is:

$ gst-launch -v udpsrc multicast-group=127.0.0.1 port=4444 \
    ! audio/x-raw-int, endianness=1234, signed=true, width=16, depth=16, rate=44100, channels=2 \
    ! autoaudiosink

Actually, I just copied capabilities from the verbose output of the sending gst-launch.

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