You may need to use avformat_find_stream_info() too. Best wishes, Sergey
2013/6/11 Ramu Chakravadhanula <[email protected]> > okay. thanks a lot. I will give it a try and revert back if I have any > troubles. > > Thanks and Regards, > Boys21 > > On 11 June 2013 21:33, Sergey Fedorov <[email protected]>wrote: > >> Yes. I think you can use avformat_open_input_file() on png image to >> obtain a properly initialized AVCodecContext. It could simplify the >> decoding process. >> >> Best wishes, >> Sergey >> >> >> 2013/6/11 Ramu Chakravadhanula <[email protected]> >> >>> okay. >>> >>> 1. decode the png using ac_codec_id_png >>> 2. give this raw information to encoder. is it like this? >>> >>> /Boys21 >>> >>> On 11 June 2013 09:10, Sergey Fedorov <[email protected]>wrote: >>> >>>> Hi, >>>> I think you should first decode raw image data from PNG file. There is >>>> AV_CODEC_ID_PNG in libavcodec. >>>> >>>> >>>> 2013/6/10 Ramu Chakravadhanula <[email protected]> >>>> >>>>> Hi, >>>>> >>>>> I have a series of png files and would like to encode them to a video >>>>> file. most of the examples cover encoding a raw video file. However, I >>>>> couldnt find one that covers using existing still images (especially PNG). >>>>> Attached is the sample code that i found. can someone help me ? >>>>> >>>>> Thanks and Regards, >>>>> Boys21. >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Libav-user mailing list >>>>> [email protected] >>>>> http://ffmpeg.org/mailman/listinfo/libav-user >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> Libav-user mailing list >>>> [email protected] >>>> http://ffmpeg.org/mailman/listinfo/libav-user >>>> >>>> >>> >>> _______________________________________________ >>> Libav-user mailing list >>> [email protected] >>> http://ffmpeg.org/mailman/listinfo/libav-user >>> >>> >> >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/libav-user >> >> > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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