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<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">Hi there,<o:p></o:p></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">I am developing video player based on your FFmpeg libraries, I am trying to decode NAL units streamed from IP camera, but I get "Invalid data found when processing input" on the first
SPS and the return code from "<span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue;background:white;mso-highlight:white">avcodec_decode_video2</span><span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue">"
</span>is -1094995529.<o:p></o:p></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">Only if I concatante SPS,PPS IDR or SPS,PPS IDR I get decoded frame.<o:p></o:p></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">My first SPS looks like this:<o:p></o:p></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">00 00 00 01 67 64 00 28 ad 00 ce 50 28 0b fe 5c 04 40 00 03 84 00 00 af c8 38
00 00 03 01 7d 78 40 00 03 b9 ac a8 bd f8 c0 00 00 0b eb c2 00 00 1d cd 65 45 ef c1 b4 11 08 94 b0 00</span><span style="font-size:12.0pt;font-family:Consolas;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:12.0pt;font-family:Consolas;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:12.0pt;font-family:Consolas;color:black">The avcodec initlization :<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue;background:white;mso-highlight:white">av_register_all</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">();
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:darkmagenta;background:white;mso-highlight:white">video_dec_codec_</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> =
</span><span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue;background:white;mso-highlight:white">avcodec_find_decoder</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">(</span><span style="font-size:12.0pt;font-family:Consolas;color:darkblue;background:white;mso-highlight:white">AV_CODEC_ID_H264</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:darkmagenta;background:white;mso-highlight:white">video_dec_ctx_</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> =
</span><span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue;background:white;mso-highlight:white">avcodec_alloc_context3</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">(</span><span style="font-size:12.0pt;font-family:Consolas;color:darkmagenta;background:white;mso-highlight:white">video_dec_codec_</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue;background:white;mso-highlight:white">avcodec_open2</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">(</span><span style="font-size:12.0pt;font-family:Consolas;color:darkmagenta;background:white;mso-highlight:white">video_dec_ctx_</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">,
</span><span style="font-size:12.0pt;font-family:Consolas;color:darkmagenta;background:white;mso-highlight:white">video_dec_codec_</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">,
</span><b><span style="font-size:12.0pt;font-family:Consolas;color:forestgreen;background:white;mso-highlight:white">NULL</span></b><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">) ;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:darkmagenta;background:white;mso-highlight:white">frame_</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> =
</span><span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue;background:white;mso-highlight:white">av_frame_alloc</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">();<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-autospace:none;direction:ltr;unicode-bidi:embed">
<span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:12.0pt;font-family:Consolas;color:darkslateblue;background:white;mso-highlight:white">av_init_packet</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">(&</span><span style="font-size:12.0pt;font-family:Consolas;color:darkmagenta;background:white;mso-highlight:white">pkt_</span><span style="font-size:12.0pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);</span><span style="font-size:12.0pt;font-family:Consolas;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:12.0pt;font-family:Consolas;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:12.0pt;font-family:Consolas;color:black">can you help please?<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><o:p> </o:p></p>
<p class="MsoNormal" dir="RTL"><span dir="LTR"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="color:#1F497D">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;text-indent:.5in;direction:ltr;unicode-bidi:embed">
<span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="color:#1F497D">Asaf Kave<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="color:#1F497D">R&D, Software engineer.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"><span style="color:#1F497D"><img width="131" height="69" id="Picture_x0020_1" src="cid:image001.png@01CF6311.2FC3AAE0">
<o:p></o:p></span></p>
<p class="MsoNormal" dir="RTL"><span lang="HE" style="font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
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