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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi all:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I installed both gstreamer-0.10 and gstreamer-1.3.2 on win xp.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I tried this command:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>gst-launch-1.0 -v -m autoaudiosrc ! audioconvert ! audioresample ! autoaudiosink<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>whose output as below:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Setting pipeline to PAUSED ...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Pipeline is PREROLLING ...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #16 from element "autoaudiosink0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_NULL, new-state=(GstState)GST_STATE_READY, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #17 from element "audioresample0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_NULL, new-state=(GstState)GST_STATE_READY, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #18 from element "audioconvert0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_NULL, new-state=(GstState)GST_STATE_READY, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #21 from element "autoaudiosrc0" (warning): GstMessageWarning, gerror=(GError)NULL, debug=(string)"gstautodetect.c\(334\):\ gst_auto_detect_find_best\ \(\):\ /GstPipeline:pipeline0/GstAutoAudioSrc:autoaudiosrc0:\012Failed\ to\ find\ a\ usable\ audio\ src";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>WARNING: from element /GstPipeline:pipeline0/GstAutoAudioSrc:autoaudiosrc0: Resource not found.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Additional debug info:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>gstautodetect.c(334): gst_auto_detect_find_best (): /GstPipeline:pipeline0/GstAutoAudioSrc:autoaudiosrc0:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Failed to find a usable audio src<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #26 from element "autoaudiosrc0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_NULL, new-state=(GstState)GST_STATE_READY, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #27 from element "pipeline0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_NULL, new-state=(GstState)GST_STATE_READY, pending-state=(GstState)GST_STATE_PAUSED;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #31 from element "audioresample0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_READY, new-state=(GstState)GST_STATE_PAUSED, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #32 from element "audioconvert0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_READY, new-state=(GstState)GST_STATE_PAUSED, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #35 from pad "fake-audio-src:src" (stream-status): GstMessageStreamStatus, type=(GstStreamStatusType)GST_STREAM_STATUS_TYPE_CREATE, owner=(GstElement)"\(GstFakeSrc\)\ fake-audio-src", object=(GstTask)"\(GstTask\)\ fake-audio-src:src";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #36 from element "fake-audio-src" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_READY, new-state=(GstState)GST_STATE_PAUSED, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #37 from element "autoaudiosrc0" (state-changed): GstMessageStateChanged, old-state=(GstState)GST_STATE_READY, new-state=(GstState)GST_STATE_PAUSED, pending-state=(GstState)GST_STATE_VOID_PENDING;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #38 from pad "fake-audio-src:src" (stream-status): GstMessageStreamStatus, type=(GstStreamStatusType)GST_STREAM_STATUS_TYPE_ENTER, owner=(GstElement)"\(GstFakeSrc\)\ fake-audio-src", object=(GstTask)"\(GstTask\)\ fake-audio-src:src";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #39 from element "pipeline0" (stream-start): GstMessageStreamStart, group-id=(uint)0;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #45 from element "audioconvert0" (warning): GstMessageWarning, gerror=(GError)NULL, debug=(string)"gstbasetransform.c\(2139\):\ gst_base_transform_handle_buffer\ \(\):\ /GstPipeline:pipeline0/GstAudioConvert:audioconvert0:\012not\ negotiated";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>WARNING: from element /GstPipeline:pipeline0/GstAudioConvert:audioconvert0: not negotiated<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Additional debug info:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>gstbasetransform.c(2139): gst_base_transform_handle_buffer (): /GstPipeline:pipeline0/GstAudioConvert:audioconvert0:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>not negotiated<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Got message #47 from element "fake-audio-src" (error): GstMessageError, gerror=(GError)NULL, debug=(string)"gstbasesrc.c\(2933\):\ gst_base_src_loop\ \(\):\ /GstPipeline:pipeline0/GstAutoAudioSrc:autoaudiosrc0/GstFakeSrc:fake-audio-src:\012streaming\ task\ paused\,\ reason\ not-negotiated\ \(-4\)";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>ERROR: from element /GstPipeline:pipeline0/GstAutoAudioSrc:autoaudiosrc0/GstFakeSrc:fake-audio-src: Internal data flow error.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Additional debug info:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>gstbasesrc.c(2933): gst_base_src_loop (): /GstPipeline:pipeline0/GstAutoAudioSrc:autoaudiosrc0/GstFakeSrc:fake-audio-src:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>streaming task paused, reason not-negotiated (-4)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>ERROR: pipeline doesn't want to preroll.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Setting pipeline to NULL ...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Freeing pipeline ...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>When using the 0.10 version, everything worked fine.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Anyone can help?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>--<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Yongjian<o:p></o:p></span></p></div></body></html>