[mythtv-users] Downscale HD recordings with ffmpeg

[Nick Rout]

On Thu, Mar 26, 2009 at 4:10 PM, kanetse at gmail.com <kane.tse at gmail.com> wrote:
> On Wed, Mar 25, 2009 at 4:20 PM, Nick Rout <nick.rout at gmail.com> wrote:
>>> open("/data/mythtv/store/3229_20090318205900.mpg", O_RDONLY) = 3
>>>
>>> Seems stream 0 codec frame rate differs from container frame rate:
>>> 59.94 (60000/1001) -> 29.97 (30000/1001)
>>> Input #0, mpegts, from '/data/mythtv/store/3229_20090318205900.mpg':
>>>  Duration: 00:36:00.04, start: 46931.763644, bitrate: 12773 kb/s
>>>  Program 1
>>>    Stream #0.0[0x7c0]: Video: mpeg2video, yuv420p, 1920x1080 [PAR 1:1
>>> DAR 16:9], 80000 kb/s, 29.97 tbr, 90k tbn, 59.94 tbc
>>>    Stream #0.1[0x7c1](eng): Audio: ac3, 48000 Hz, stereo, s16, 384 kb/s
>>> open("result.ts", O_RDONLY)             = 4
>>> File 'result.ts' already exists. Overwrite ? [y/N] y
>>> open("result.ts", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 4
>>> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
>>> +++ killed by SIGSEGV +++
>>> Process 22764 detached
>>>
>>
>> segfaults just after trying to open result.ts. Does the process have
>> permission to open and write to result.ts?
>
> Yes, it does.  I've also deleted result.ts and ran it again and it
> segfaults at the same point; creating a zero-byte sized result.ts
> file.

try just strace (without the -eopen)