[Libav-user] Video conversion issue

[Philippe Gorley]

On 2018-02-28 04:40 AM, Beere, Viswanath wrote:
> *Debug console Error:*
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> transcodingFileWithPath
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 
> '/Users/viswanath/Library/Developer/CoreSimulator/Devices/A71B16D3-86A9-4403-A6B1-9A8D23B842C0/data/Containers/Bundle/Application/0342E695-051C-4C71-9C54-581196CC2FE8/DLGDemo.app/VID_00222.mpg':
> Metadata:
> major_brand : isom
> minor_version : 512
> compatible_brands: isomiso2mp41
> encoder : Lavf54.0.100
> Duration: 00:00:30.08, start: 0.000000, bitrate: 1360 kb/s
> Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), 
> yuv420p, 1024x720 [SAR 1:1 DAR 64:45], 1226 kb/s, 25 fps, 25 tbr, 25 
> tbn, 25 tbc (default)
> Metadata:
> handler_name : VideoHandler
> Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, 
> fltp, 128 kb/s (default)
> Metadata:
> handler_name : SoundHandler
> [h264_videotoolbox @ 0x7f9354822600] Error setting max bitrate property: 
> -12902

This is kVTParameterErr 
(https://developer.apple.com/documentation/videotoolbox/1490398-error_code_constants/kvtparametererr?language=objc). 
You'll have to check your VideoToolbox setup code.

> Cannot open video encoder for stream #0
> Error occurred: Generic error in an external library
> 
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 
> Thanks and regards,
> Viswanath
> 
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-- 
Philippe Gorley
Free Software Consultant | Montréal, Qc
Savoir-faire Linux

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