Re: [FFmpeg-devel] ffmpeg stuck in transcoding H264 using QSV

2016-07-26 Thread Chao Liu
On Tue, Jul 26, 2016 at 2:08 AM, Ivan Uskov wrote: > > Hello Chao, > > Tuesday, July 26, 2016, 9:04:49 AM, you wrote: > > > I tried to debug it a bit by comparing ffmpeg code with intel media SDK. > > There is sth. I don't understand. Not sure whether it's related.. > > In

Re: [FFmpeg-devel] ffmpeg stuck in transcoding H264 using QSV

2016-07-26 Thread Ivan Uskov
Hello Chao, Tuesday, July 26, 2016, 9:04:49 AM, you wrote: > I tried to debug it a bit by comparing ffmpeg code with intel media SDK. > There is sth. I don't understand. Not sure whether it's related.. > In ffmpeg, we decode the frame in a loop >

Re: [FFmpeg-devel] ffmpeg stuck in transcoding H264 using QSV

2016-07-26 Thread Chao Liu
On Mon, Jul 25, 2016 at 11:08 PM, Chao Liu wrote: > > > On Mon, Jul 25, 2016 at 11:04 PM, Chao Liu wrote: > >> Hi, >> >> (Ivan, I am sending this mail to you directly because you said you are >> the maintainer of QSV related code in a recent mail.

Re: [FFmpeg-devel] ffmpeg stuck in transcoding H264 using QSV

2016-07-26 Thread Chao Liu
On Mon, Jul 25, 2016 at 11:04 PM, Chao Liu wrote: > Hi, > > (Ivan, I am sending this mail to you directly because you said you are the > maintainer of QSV related code in a recent mail. Apologize if this is > inappropriate.. ) > > I am trying to use h264_qsv to transcode a

[FFmpeg-devel] ffmpeg stuck in transcoding H264 using QSV

2016-07-26 Thread Chao Liu
Hi, (Ivan, I am sending this mail to you directly because you said you are the maintainer of QSV related code in a recent mail. Apologize if this is inappropriate.. ) I am trying to use h264_qsv to transcode a MP4 file. This is my command: ffmpeg -c:v h264_qsv -i input.mp4 -look_ahead 0 -c:v