Cannot record Bitrate-based audio using Windows media encoder -


i want record video webcam , sound microphone using windows media encoder. set profile record audio using bitrate-based mode , video using cbr.

 this.newprofile = new wmencprofile2();             this.newprofile.validatemode = true;              this.newprofile.contenttype = 17;             this.newprofile.set_vbrmode(wmenc_source_type.wmenc_audio, 0, wmenc_profile_vbr_mode.wmenc_pvm_bitrate_based);             this.newprofile.set_vbrmode(wmenc_source_type.wmenc_video, 0, wmenc_profile_vbr_mode.wmenc_pvm_none);             newprofile.addaudience(400000);             iwmencaudienceobj audience = newprofile.get_audience(0);             audience.set_videocodec(0, 3);             audience.set_videobitrate(0, 700000);             audience.set_videofps(0, 25000);             audience.set_videokeyframedistance(0, 5000);             audience.set_videobuffersize(0, 3000);             audience.set_videowidth(0,800);             audience.set_videoheight(0, 600);             audience.set_audiocodec(0, 1);             audience.setaudioconfig(0, 2, 44100, 192000, 16);             this.newprofile.validate();

however, video output has no sound. it's work in cbr mode.

i konw bitrate-based vbr, encoder must start(encoder.start();) twice. now, can record sound.


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