[FFmpeg-user] HELP

[Paul B Mahol]

On 10/25/18, Erik Gaudin <erik.gaudin at cbc.ca> wrote:
> In FFPLAY, there is a hot-key to switch from one substitle to the other.
> When i use it, it seem to do somethin (i notice in the DOS windows the
> function is receive... but no substitle.
>
> If the Substitle is not suported, why add this function ?
>
> I just try MPV, but the latency are not good compare to FFPLAY, and another
> application i tested.

How you measure latency?

>
> VLC, Latency issue.. it added 1 sec, and can't lower that value at all,
> unless there is a command line i didn't find.
>
>
>
>
>
> Erik Gaudin
> Chef de projet
> Société Radio-Canada (SRC)
> Ingénierie Médias (Montréal)
>
>
> Project Leader
> Canadian Broadcasting Corporation (CBC)
> Media Engineering (Montreal)
>
>
> Tél. : 514-597-6586 (1-141-6586)
> Cell. : 514-895-6586
>
>
> Le jeu. 25 oct. 2018, à 13 h 23, Paul B Mahol <onemda at gmail.com> a écrit :
>
>> On 10/25/18, Erik Gaudin <erik.gaudin at cbc.ca> wrote:
>> > How to display Close Caption on the screen  ?
>> >
>> > When i open our internal stream with VLC, i can displayed Substitle. But
>> > can't find how to do it with ffplay.exe (windows)
>> >
>> > Here what i use to display the stream : ffplay
>> > udp://@239.255.123.1:1234 -analyzeduration
>> > 200
>> >
>> > I use the last argument for low latency.
>> >
>> >
>> > Here what appear in DOS when start FFPLAY with URL only :
>> >
>> > Input #0, mpegts, from 'udp://@239.255.179.6:5000':q=    0B f=0/0
>> >   Duration: N/A, start: 86892.634178, bitrate: N/A
>> >   Program 2672
>> >     Stream #0:0[0xa72]: Video: hevc (Main) ([36][0][0][0] / 0x0024),
>> > yuv420p(tv), 1280x720 [SAR 1:1 DAR 16:9], Closed Captions, 59.94 fps,
>> 59.94
>> > tbr, 90k tbn, 59.94 tbc
>> >     Stream #0:1[0xa73](eng): Audio: aac_latm (LC) ([17][0][0][0] /
>> 0x0011),
>> > 48000 Hz, stereo, fltp
>> >     Stream #0:2[0xa74](fre): Audio: aac_latm (LC) ([17][0][0][0] /
>> 0x0011),
>> > 48000 Hz, stereo, fltp
>> >
>> >
>> > In VLC, CC are in Flux # 3  (Flux 0 = video, Flux 1 & 2 Audio track)
>> >
>> > I try multiple argument ( like -sst) but nothing happen. Any idea ?
>>
>> FFplay is very rudimentary player, it does not support subtitles or
>> caption out of box.
>>
>> Use something much more powerful like mpv.
>> _______________________________________________
>> ffmpeg-user mailing list
>> ffmpeg-user at ffmpeg.org
>>
>> https://clicktime.symantec.com/a/1/rzS_vLO82I7LdzzJ0UsWeXsYzQKO1-KTk_5imW6fgPM=?d=5k9OP98No2T5ZWoP7PxQtTuYuc8MztEIPvFBOStzyNRg0oTmeghYHzNPl57yldOSFXq-Ca7lw5BvNCWk8GGgx4ZXbfDKI2DA1vwBeStAX81WWWczEMCDwsWiCd8NHzV3zU9E2a76sA2UPKTf4Ah9aQZcm6Zj2L3KJjcvBaJz9R4EfN6h67FuFWSgIVMtsoD18WioGeUQ2IUvYGH9l2rCjavVB3DWna2I472dPAy8jm44okh3b339ZztoQupC47b9cn3TDiO4hedp0CnHdegKcK9gm5clrAJ0elCTmWWIFA784WQD7Ot0OzsEu2X7KSh9R3oTD0i0TQPcfy7B68bFUJprng7VOrhxxhB47BMyhvXOLInpE0htfU9-Sd-aSUaVlg8sP0OTbh48CLb2&u=http%3A%2F%2Fffmpeg.org%2Fmailman%2Flistinfo%2Fffmpeg-user
>>
>> To unsubscribe, visit link above, or email
>> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".