glvideomixer: two input video channels connected to one sinkpad of videomixer
Please see below pipeline graph, two input video channels connected to one sinkpad of videomixer, this is not accepeted
the cmdline here is: gst-launch-1.0 glvideomixer background=2 name=m sink_1::xpos=200 sink_1::ypos=200 sink_2::xpos=400 sink_2::ypos=400 sink_2::alpha=0.5 ! glimagesink sync=false uridecodebin uri=file:///mnt/src/MPEG2Dec/Conformance/MpgMpegTS/MPEG2TS_AC3_MPML_720x576_25fps_3Mbps_a_48KHz_448Kbps_2_AVSEQ01.mpg ! m. uridecodebin uri=file:///mnt/src/MPEG4Dec/Conformance/1080/MPEG4_SS1_1920x1032_30fps_3557kbps_AACLC_48Khz_164kbps_2ch_shulaibao.mp4 ! m. uridecodebin uri=file:///mnt/src/VC1Dec/Conformance/Interlaced/WMV9_MPHL_NTSCV9_1MbpsProgressive320x240_60fpsV9_128kbps.wmv ! m.