[1.0][Regression ?] gstamcvideodec: not-negotiated problem

[Sebastian Dröge]

On Di, 2013-07-30 at 09:31 +0800, cee1 wrote:
> Hi,
> 
> I tried the gstreamer 1.0.8 for android, and found the pipeline which
> works under 0.10 is then broken(amcviddec-omxk3videodecoderavc is a hw
> h264 decoder on my pad):
> """
> # Receive data from net.
> udpsrc uri=udp://0.0.0.0:3057
> caps=application/x-rtp,media=(string)video,clock-rate=(int)90000,payload=(int)96,encoding-name=(string)H264,sprop-parameter-sets=(string)\"Z01AFNoFB+wEQAAAAwBAAAAPI8UKqA\\=\\=\\,aO88gA\\=\\=\"
> ! rtph264depay ! h264parse ! amcviddec-omxk3videodecoderavc !
> eglglessink name=videosink
> """
> 
> Going deeper, I found:
> * accept caps:
> """
> video/x-h264, stream-format=(string)byte-stream, alignment=(string)au,
> width=(int)320, height=(int)240, framerate=(fraction)30/1,
> parsed=(boolean)true, pixel-aspect-ratio=(fraction)1/1
> """
> 
> * allowed caps:
> """
> video/x-h264, width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ],
> framerate=(fraction)[ 0/1, 2147483647/1 ], parsed=(boolean)true,
> stream-format=(string)byte-stream, alignment=(string)au,
> profile=(string)high, level=(string){ 1, 1b, 1.1, 1.2, 1.3, 2, 2.1,
> 2.2, 3, 3.1, 3.2, 4, 4.1, 4.2, 5, 5.1 };
> video/x-h264, width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ],
> framerate=(fraction)[ 0/1, 2147483647/1 ], parsed=(boolean)true,
> stream-format=(string)byte-stream, alignment=(string)au,
> profile=(string)main, level=(string){ 1, 1b, 1.1, 1.2, 1.3, 2, 2.1,
> 2.2, 3, 3.1, 3.2, 4, 4.1, 4.2, 5, 5.1 };
> video/x-h264, width=(int)[ 16, 4096 ], height=(int)[ 16, 4096 ],
> framerate=(fraction)[ 0/1, 2147483647/1 ], parsed=(boolean)true,
> stream-format=(string)byte-stream, alignment=(string)au,
> profile=(string)baseline, level=(string){ 1, 1b, 1.1, 1.2, 1.3, 2,
> 2.1, 2.2, 3, 3.1, 3.2, 4, 4.1, 4.2, 5, 5.1 };
> 
> ...
> 
> """
> 
> * Then gst_caps_is_subset (accept_caps, allowed_caps) returns false.
> 
> 
> Does gstamcvideodec export an improper caps? Or should I change caps of udpsrc?
> Any idea?

The profile and level is missing from the caps, yes. Either h264parse
should add them (why doesn't it? that would be a bug) or you have to set
them manually.
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