[Libav-user] Parsing H264 SPS and PPS nal unit types

[syed MUTIUR rahman]

Hi to all
Is there any material or book to understand the whole ffmpeg library code.

On Thu, Jul 30, 2015 at 12:50 PM, Ivan Roubíček <Ivan.Roubicek at zld.cz>
wrote:

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> Hello guys,
>
> what would be the correct way to parse H264 SPS nad PPS so I can get
> width, height, etc.
>
>
>
> I’m trying something like this but it does nothing
>
>
>
> AVCodecParserContext *parser = av_parser_init(AV_CODEC_ID_H264);
>
>
>
> AVCodec *pCodec = avcodec_find_decoder(AV_CODEC_ID_H264);
>
> AVCodecContext *pCodecCtx = avcodec_alloc_context3(pCodec);
>
>
>
> pCodecCtx = avcodec_alloc_context3(pCodec);
>
>
>
> uint8_t* poutbuf = nullptr;
>
> int poutbuf_size = 0;
>
>
>
> int len = av_parser_parse2(parser, pCodecCtx, &poutbuf, &poutbuf_size,
> pSps, sps_size, 0, 0, 0);
>
>
>
> Best regards Ivan
>
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-- 
syed mutiur rahman
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