On 06/11/2017 17.47, Philippe Gorley wrote:
On 2017-11-06 11:40 AM, Francesco, Cuzzocrea wrote:
Hi to all
I found that ffmpeg can decode PRORES, while it seems that avcodec
doesn't.
If I issue:
ffmpeg.exe -i test_prores.mov test.mp4
it convert the mov prores file correctly, whilst using libavcodec
doesn't. Here is the snippet of code:
vd_codec = avcodec_find_decoder(AV_CODEC_ID_PRORES);
pCodecCtxFF = avcodec_alloc_context3(vd_codec);
glob_frm = av_frame_alloc(); // allocate and init a re-usable frame
avcodec_open2(pCodecCtxFF, vd_codec,NULL);
av_init_packet(&thpkt);
// Read a single PRORES FRAME and put it into tempBuff
fileSize = PutFileIntoBuffer(srcFile.c_str(),tempBuff);
thpkt.size = fileSize; thpkt.data = tempBuff;
conv_res = avcodec_send_packet(pCodecCtxFF, &thpkt);
if(conv_res<0)
{
if(av_strerror(conv_res, errbuf, 512)==0) stre.printf("Error
sending packet : %s",errbuf);
else stre.printf("Error %x returned from avcodec_send_packet
: %s",errbuf);
goto __exit_pres;
}
result is the message "Error sending packet : Not yet implemented in
FFmpeg, patches welcome".
I attempt to compile with and without --enable-version3 in the
configure but nothing changes.
Anyone experienced decoding of PRORES frame ?
Regards
Are you registering the codec? IE: are you calling av_register_all()
before using libav* code?
Of course. At start of program:
avcodec_register_all();
av_register_all();
--
/*******************************************************************\
* Ing. Francesco Cuzzocrea
\*******************************************************************/
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