[libav-api] Cannot open stream

Manuel Torres manuel.torres.fernandez at gmail.com
Fri Jun 6 09:26:47 CEST 2014


Hello,

I have a H264 video stream that I cannot open with my libav-based code. I
tested it with avplay and I got a number of the following traces:

[h264 @ 02F2F400] non-existing PPS referenced
[h264 @ 02F2F400] non-existing PPS 0 referenced
[h264 @ 02F2F400] decode_slice_header error
[h264 @ 02F2F400] no frame!

Then these:

[rtsp @ 0191F5E0] max_analyze_duration reached
[rtsp @ 0191F5E0] Estimating duration from bitrate, this may be inaccurate
Input #0, rtsp, from [URL ommited]:
  Metadata:
    title           : Live
  Duration: N/A, start: 536870.810000, bitrate: N/A
    Stream #0.0: Audio: pcm_mulaw, 8000 Hz, 1 channels, s16, 64 kb/s
    Stream #0.1: Video: h264, 25 fps, 25 tbr, 90k tbn
    Stream #0.2: Data: [0][0][0][0] / 0x0000
[buffer @ 02F33820] Invalid pixel format string '-1'
[h264 @ 02F2F400] non-existing PPS referenced
    Last message repeated 460 times

The video was not displayed either.

I tested with VLC and it does open the stream.

I would really appreciate if someone could help.


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