Thaks for the quick reply! I thought "Add support for EIA-708 output over SDI" patch is what required to support subtitles....
Any timeline for the OP-47/42 support ? Izhar -----Original Message----- From: ffmpeg-user <ffmpeg-user-boun...@ffmpeg.org> On Behalf Of Devin Heitmueller Sent: Thursday, May 30, 2024 6:06 PM To: FFmpeg user questions <ffmpeg-user@ffmpeg.org> Subject: Re: [FFmpeg-user] decklink SDI output with subtitles On Thu, May 30, 2024 at 10:57 AM Izhar Marinov <izha...@novelsat.com> wrote: > > I am trying to decode mpeg TS over UDP with subtitle stream into SDI port. > > Command: > > ffmpeg -i > "udp://224.1.1.1:2000?localaddr=192.168.100.109&overrun_nonfatal=1&buf > fer_size=13107200&fifo_size=1000000" -map 0:i:0x7d1 -map 0:i:0xbb9 > -map 0:i:0x1389 -teletext_lines all -c:v v210 -f decklink > 88:02a07762:00000000 > > if I don’t use the map command, the video and audio are working fine but the > subtitle stream is ignored, if I specify the subtitles stream (PID 0x1389 in > this example), I get the following error: > > Input #0, mpegts, from > 'udp://224.1.1.1:2000?localaddr=192.168.100.109&overrun_nonfatal=1&buffer_size=13107200&fifo_size=1000000': > Duration: N/A, start: 43965.121844, bitrate: N/A > Program 1 > Stream #0:0[0x7d1]: Video: h264 (Main) ([27][0][0][0] / 0x001B), > yuv420p(tv, bt470bg, top first), 720x576 [SAR 16:11 DAR 20:11], 25 fps, 50 > tbr, 90k tbn > Stream #0:1[0xbb9](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, > stereo, s16p, 384 kb/s (clean effects) > Stream #0:2[0xfa1](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, > stereo, s16p, 384 kb/s (clean effects) > Stream #0:3[0x1389](spa,spa,spa,spa,spa,spa,spa): Subtitle: > dvb_teletext (libzvbi_teletextdec) ([6][0][0][0] / 0x0006), 492x250 > [sost#0:2 @ 0x55b721f91b40] Automatic encoder selection failed Default > encoder for format decklink (codec eia_608) is probably disabled. Please > choose an encoder manually. > [sost#0:2 @ 0x55b721f91b40] Error selecting an encoder Output of teletext over the decklink output isn't supported currently. It's on my TODO list, but I haven't gotten around to it yet. I was looking to implement OP-47 for the HD domain and OP-42 for standard def. Devin -- Devin Heitmueller, Senior Software Engineer LTN Global Communications o: +1 (301) 363-1001 w: https://ltnglobal.com e: devin.heitmuel...@ltnglobal.com _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
