I am experiencing tearing frames and / or stuttering video in recordings from my PVR-250.
My Default profile is:
480x480
Video:
Codec: MPEG-2 Hardware Encoder
Stream Stype: MPEG-2 PS
Aspect Ratio: 4:3
Bit Rate: 3000
Max. Bit Rate: 4500
Audio:
Code: MPEG-2 Hardware Encoder
Sampling Rate: 32000
Layer II
Bitrate: 384Kbps
Volume: 90%
I've grokked the archives, but most of what I've found is "Mine doesn't work." and the reply being "Mine works fine."
Do you think increasing the Bit Rates for the video would help? (Something I saw in the archive). Would changing the resolution to 720x480 help? (Being closer to "native" resolution)
I've attempted to recompile everything (Qt, LAME, MythTV, etc.) using -march=i686 to get a little more
performance, but haven't been successful, as I get caught up in the ELLL (Endless Linux Library Loop).
Any advice is greatly appreciated.
Regards, JJ
KnoppMyth R4V5
Hardware:
PVR-250, with latest remote.
HP Pavilion 6730
Celeron (Coppermine) 500MHz
256MB RAM
eVGA.com e-GeFORCE MX 4000
/dev/hda:
Maxtor 6Y060L0
60GB
DMA on
32bit on
/dev/hda1 / ext3
/dev/hda2
/dev/hda3 /cache ext2
/dev/hda4 /myth ext3
(more detail below)/dev/hdd:
WDC WD1600JB-00GVA0
160GB
DMA on
32bit on
/dev/hdd1 /myth/tv reiserfs
/dev/hdd2 /var reiserfs
/dev/hdd3 /myth/backup reiserfs
(more detail below)Maxtor:
/proc/ide/hda/settings
name value min max mode
---- ----- --- --- ----
acoustic 200 0 254 rw
address 0 0 2 rw
bios_cyl 7476 0 65535 rw
bios_head 255 0 255 rw
bios_sect 63 0 63 rw
breada_readahead 8 0 255 rw
bswap 0 0 1 r
current_speed 0 0 70 rw
failures 0 0 65535 rw
file_readahead 124 0 16384 rw
init_speed 0 0 70 rw
io_32bit 1 0 3 rw
keepsettings 0 0 1 rw
lun 0 0 7 rw
max_failures 1 0 65535 rw
max_kb_per_request 128 1 255 rw
multcount 16 0 16 rw
nice1 1 0 1 rw
nowerr 0 0 1 rw
number 0 0 3 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
unmaskirq 0 0 1 rw
using_dma 1 0 1 rw
wcache 0 0 1 rw
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