On 2018-03-14 03:26 PM, Michael IV wrote:
Hi. I am trying to get rid of deprecation warning in the API. I am
running with
ffmpeg -20170711 version. I have a code where I don't explicitly create
AVCodecContext
because I multiplex already existing h264 NALS. But I still have to
setup AVStream which has AVCodecContext which it creates internally
based on the codec I pass into
avformat_new_stream
.So I have something like this then:
mVideoOutStream->codec->gop_size = muxerParams.gopSize;
mVideoOutStream->codec->time_base.den = mVideoOutStream->time_base.den;
mVideoOutStream->codec->time_base.num = mVideoOutStream->time_base.num;
EYE_ASSERT(mVideoOutStream);
if (mOutputFormatContext->oformat->flags & AVFMT_GLOBALHEADER)
{
mVideoOutStream->codec->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
}
Every place I access '->codec->' the compiler says it's deprecated,and
the FFMPEG says
I have to use codecpar instead.But codecpar doesn't have those params.
For demuxing/decoding:
avcodec_parameters_to_context(codec_ctx, stream->codecpar);
For muxing/encoding:
avcodec_parameters_from_context(stream->codecpar, codec_ctx);
Documentation for these functions can be found here:
https://www.ffmpeg.org/doxygen/trunk/group__lavc__core.html
doc/examples/transcoding.c shows how to use both.
What do I do in this case? Create explicitly codec context and assign it
to the stream? Looks like newer API has some design gaps > Thanks.
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Philippe Gorley
Free Software Consultant | Montréal, Qc
Savoir-faire Linux
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