Re: [FFmpeg-devel] questions about multi-thread issues for ffmpeg

2016-09-12 Thread Ronald S. Bultje
Hi, On Mon, Sep 12, 2016 at 4:30 AM, qw wrote: > hi Ronald, > > > >does ffmpeg support multi-thread in this case? If not, which ffmpeg > >> functions should be synchronized by application developer? > > > > > >Yes, ffmpeg supports multi-threading (internally), it is tested > >continuously and is

Re: [FFmpeg-devel] questions about multi-thread issues for ffmpeg

2016-09-12 Thread qw
hi Ronald, >does ffmpeg support multi-thread in this case? If not, which ffmpeg >> functions should be synchronized by application developer? > > >Yes, ffmpeg supports multi-threading (internally), it is tested >continuously and is considered very safe. > >Can you show some code? I'm wondering if

Re: [FFmpeg-devel] questions about multi-thread issues for ffmpeg

2016-09-08 Thread Ronald S. Bultje
Hi Andrew, On Thu, Sep 8, 2016 at 3:59 AM, qw wrote: > I have made one simple transcoding program by using ffmpeg lib, where > several av transcoding tasks are done in one process and each task > corresponds to one thread. > > But some ffmpeg function will report error, and sometimes the multi-t

[FFmpeg-devel] questions about multi-thread issues for ffmpeg

2016-09-08 Thread qw
Hi, I have made one simple transcoding program by using ffmpeg lib, where several av transcoding tasks are done in one process and each task corresponds to one thread. But some ffmpeg function will report error, and sometimes the multi-thread version of transcoding program will crash abnorma