[FFmpeg-user] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future

[Mohammed Sha]

Hi All,

I am using below command to push the video to Wowza server, since we are
pushing raw h264 video, the rtp packet doesnot have the timestamp,  and we
could observe audio video sync issue while playing video using vlc. While
executing the ffmpeg. Command, there is a warning showing as ( , *rtsp @
0xb754bda0] Timestamps are unset in a packet for stream 0. This is
deprecated and will stop working in the future. Fix your code to set the
timestamps properly). * we think the audio video sync is related to this.

IS there any option available in ffmpeg to add timestamp in rtp packet and
push the video and audio ?

Below is the command with logs

ffmpeg -f h264 -i /tmp/enc_sd_stream.h264 -f aac -i /tmp/
aud_rec_stream  -acodec copy -vcodec copy -r 23  -rtpflags latm -f rtsp
 rtsp://shafi:shafi@192.168.1.135:1935/live/myStream

Input #0, h264, from '/tmp/enc_sd_stream.h264':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: h264 (Baseline), yuv420p, 720x576, 25 fps, 25 tbr,
1200k tbn, 50 tbc
Input #1, aac, from '/tmp/aud_rec_stream':
  Duration: N/A, bitrate: 57 kb/s
    Stream #1:0: Audio: aac (LC), 32000 Hz, mono, fltp, 57 kb/s
[udp @ 0xb7553290] 'circular_buffer_size' option was set but it is not
supported on this build (pthread support is required)
[udp @ 0xb7553320] 'circular_buffer_size' option was set but it is not
supported on this build (pthread support is required)
[udp @ 0xb754c520] 'circular_buffer_size' option was set but it is not
supported on this build (pthread support is required)
[udp @ 0xb758d670] 'circular_buffer_size' option was set but it is not
supported on this build (pthread support is required)
Output #0, rtsp, to 'rtsp://shafi:shafi@192.168.1.135:1935/live/myStream':
  Metadata:
    encoder         : Lavf57.25.100
    Stream #0:0: Video: h264, yuv420p, 720x576, q=2-31, 25 fps, 25 tbr, 90k
tbn, 15 tbc
    Stream #0:1: Audio: aac (LC), 32000 Hz, mono, 57 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #1:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
[h264 @ 0xb752e2b0] Thread message queue blocking; consider raising the
thread_queue_size option (current value: 8)
*[rtsp @ 0xb754bda0] Timestamps are unset in a packet for stream 0. This is
deprecated and will stop working in the future. Fix your code to set the
timestamps properly*
[aac @ 0xb75f7880] Thread message queue blocking; consider raising the
thread_queue_size option (current value: 8)
frame=10213 fps= 14 q=-1.0 Lsize=N/A time=00:06:48.80 bitrate=N/A
speed=0.574x


-- 
Thanks & Regards
*Mohammed Sha Ebrahim*
VVDN Technologies Pvt.Ltd