Playing multiple video using libvlc and Qt -
i have created sample application in qt have display camera stream in 2x2 grid. using libvlc play stream , able display video well. facing few issues
- vlc creating separate window render video. not displayed on area provided qt application.
here code
void playerview::createplayer() { const char *const vlc_args[] = { "--avcodec-hw=any", "--plugin-path=c:\qtsdk\vlc-2.2.1\plugins" }; vlcinstance = libvlc_new(sizeof(vlc_args) / sizeof(vlc_args[0]), vlc_args); const char* url = "rtsp://<camera ip>/cam0_0"; /* create new libvlc media descriptor */ media = libvlc_media_new_location(vlcinstance, url); // create media player playing environement vlcmp = libvlc_media_player_new(vlcinstance); libvlc_media_player_set_hwnd(vlcmp, (void*)videodisplay->winid()); libvlc_media_player_set_media(vlcmp, media); libvlc_media_player_play (vlcmp); } as need display 3 videos in 2x2 grid, creating 3 vlc player instances play video. 2 windows getting created , video played. on creating 3rd one, crashes below error.
directdraw vout display error: win32voutcreatewindow registerclass failed (err=1410) direct2d vout display error: win32voutcreatewindow registerclass failed (err=1410) warning: option --plugin-path no longer exists. warning: option --plugin-path no longer exists. warning: option --plugin-path no longer exists. warning: option --plugin-path no longer exists. warning: option --plugin-path no longer exists. warning: option --plugin-path no longer exists. [008ceb04] directdraw vout display error: win32voutcreatewindow registerclass failed (err=1410) [008ceb04] direct2d vout display error: win32voutcreatewindow registerclass failed (err=1410) glwin32 vout display error: win32voutcreatewindow registerclass failed (err=1410) wingdi vout display error: win32voutcreatewindow registerclass failed (err=1410) [008ceb04] glwin32 vout display error: win32voutcreatewindow registerclass failed (err=1410) [008ceb04] wingdi vout display error: win32voutcreatewindow registerclass failed (err=1410) core vout display error: failed change zoom caca vout display error: unsupported query in vout display caca core vout display error: failed set on top core vout display error: failed change source ar [008ceb04] core vout display error: failed change zoom [008ceb04] caca vout display error: unsupported query in vout display caca [008ceb04] core vout display error: failed set on top [008ceb04] core vout display error: failed change source ar core vout display error: failed set on top [h264 decoder @ 0387aee0] invalid mixed idr / non idr frames cannot decoded in slice multithreading mode [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 @ 038b8400] decode_slice_header error [h264 decoder @ 038fd000] invalid mixed idr / non idr frames cannot decoded in slice multithreading mode [038c6544] core vout display error: failed set on top core input error: es_out_reset_pcr called core input error: es_out_reset_pcr called [02c4264c] core input error: es_out_reset_pcr called [02c41a1c] core input error: es_out_reset_pcr called core input error: es_out_reset_pcr called [h264 @ 038c3d00] decode_slice_header error [h264 @ 038c3d00] decode_slice_header error [h264 decoder @ 0cb12c40] invalid mixed idr / non idr frames cannot decoded in slice multithreading mode [02c427b4] core input error: es_out_reset_pcr called
error related gpu , dont have idea how fix issue using libvlc. search doesnt find right solution.
please show me light proceed m totally stuck !!
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