[Libav-user] V210 encoder error

[Info || Non-Lethal Applications]

On 11 Jul 2014, at 17:34, Paul B Mahol <onemda at gmail.com> wrote:

> On 7/11/14, Info || Non-Lethal Applications
> <info at non-lethal-applications.com> wrote:
>> Hey guys,
>> 
>> I want to use the V210 encoder now to prepare data for playout.
>> However, I'm getting a bug I don't understand.
>> Maybe someone can help, here's the code:
>> 
>> AVCodec* _pV210Codec = avcodec_find_encoder(AV_CODEC_ID_V210);
>> AVCodecContext* _pV210CodecCtx = avcodec_alloc_context3(_pV210Codec);
>> _pV210CodecCtx->codec_type = AVMEDIA_TYPE_VIDEO;
>> _pV210CodecCtx->codec_id = AV_CODEC_ID_V210;
>> _pV210CodecCtx->bits_per_raw_sample = 10;
>> _pV210CodecCtx->width = 1920;
>> _pVideoCodecCtx->height = 1080;
> 
> Are you sure about this?

There was the typo, already found it. Thanks!

>> _pV210CodecCtx->pix_fmt = AV_PIX_FMT_YUV422P10LE;
>> _pV210CodecCtx->gop_size = 1;
>> _pV210CodecCtx->time_base.den = 24;
>> _pV210CodecCtx->time_base.num = 1;
>> 
>> // Open codec
>> if(avcodec_open2(_pV210CodecCtx, _pV210Codec,NULL)<0)
>> {
>>    printf("ERROR: Could not open codec!\n");
>>    exit(105);
>> }
>> 
>> The error I'm getting is:
>> 
>> [NULL @ 0x11a800000] [IMGUTILS @ 0x7fff5fbff2a0] Picture size 0x0 is
>> invalid
>> [NULL @ 0x11a800000] Ignoring invalid width/height values
>> [NULL @ 0x11a800000] [IMGUTILS @ 0x7fff5fbff2a0] Picture size 0x0 is
>> invalid
>> [v210 @ 0x11a800000] dimensions not set
>> 
>> I already tried to not set the resolution but then it also fails.
>> I don't see why the width/height values would not be valid.
>> 
>> Thanks!
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