> > I suggest that a test for DC10 is done before
> > the fix is applied.
> 
> All fine, but I'd first like to see some test reports here. 
> We're talking about an untraceable bug if it shows up. 
> Particularly, I'd like to be 100% sure that the returned JPEG 
> images are indeed > 128 kB. So some more test reports before 
> I apply / send upstream would be much appreciated.

Test 1:

lavrec -fa -iP -d1 -q100 -S -w -a0 -n32 -b128 -v1 d1_1f_b128.avi

   INFO: [lavrec] Recording parameters:
   INFO: [lavrec] Output format:      AVI
   INFO: [lavrec] Input Source:       S-Video PAL

   INFO: [lavrec] Decimation:         1
   INFO: [lavrec] Quality:            100
   INFO: [lavrec] Recording time:     -1 sec
   INFO: [lavrec]
   INFO: [lavrec] MJPEG buffer size:  128 KB
   INFO: [lavrec] # of MJPEG buffers: 32
   INFO: [lavrec] Audio disabled
   INFO: [lavrec] Auto detecting input and norm ...
   INFO: [lavrec] Image size will be 768x576, 2 field(s) per buffer
   INFO: [lavrec] Got 4 buffers of size 128 KB
++ WARN: [lavrec] Unable to set negative priority for main thread
++ WARN: [lavrec] Pthread Real-time scheduling for main thread could not be
enabled

Recording time  :  0.00.00:01
Lost frames     : 000
A/V sync ins/del: 000/000
Audio errors    : 000

-rw-r--r--  1 hans users   116692 Aug 22 15:27 d1_1f_b128.avi

VirtualDub 1.6.8 reports:
Frame size, fps (us per frame): 768x576, 25.000 fps (400000 us)
Length: 1 frames (0:00.04)
Number of key frames:   1
Min/avg/max/total key frame size:       114612/114612/114612 (112K)
Min/avg/max/total delta frame size:     (no delta frames)
Data rate:      22922 kbps (0.02% overhead)


Test 2:

lavrec -fa -iP -d1 -q100 -S -w -a0 -n32 -b512 -v1 d1_1f_b512.avi

   INFO: [lavrec] Recording parameters:
   INFO: [lavrec] Output format:      AVI
   INFO: [lavrec] Input Source:       S-Video PAL

   INFO: [lavrec] Decimation:         1
   INFO: [lavrec] Quality:            100
   INFO: [lavrec] Recording time:     -1 sec
   INFO: [lavrec]
   INFO: [lavrec] MJPEG buffer size:  512 KB
   INFO: [lavrec] # of MJPEG buffers: 32
   INFO: [lavrec] Audio disabled
   INFO: [lavrec] Auto detecting input and norm ...
   INFO: [lavrec] Image size will be 768x576, 2 field(s) per buffer
   INFO: [lavrec] Got 4 buffers of size 512 KB
++ WARN: [lavrec] Unable to set negative priority for main thread
++ WARN: [lavrec] Pthread Real-time scheduling for main thread could not be
enabled

Recording time  :  0.00.00:01
Lost frames     : 000
A/V sync ins/del: 000/000
Audio errors    : 000

-rw-r--r--  1 hans users   355036 Aug 22 15:28 d1_1f_b512.avi

VirtualDub 1.6.8 reports:
Frame size, fps (us per frame): 768x576, 25.000 fps (400000 us)
Length: 1 frames (0:00.04)
Number of key frames:   1
Min/avg/max/total key frame size:       352956/352956/352956 (345K)
Min/avg/max/total delta frame size:     (no delta frames)
Data rate:      70591 kbps (0.01% overhead)


Test 3:

lavrec -fa -iP -d1 -q100 -t10 -w -a0 -n32 -b128 -v1 d1_250f_b128.avi

   INFO: [lavrec] Recording parameters:
   INFO: [lavrec] Output format:      AVI
   INFO: [lavrec] Input Source:       S-Video PAL

   INFO: [lavrec] Decimation:         1
   INFO: [lavrec] Quality:            100
   INFO: [lavrec] Recording time:     10 sec
   INFO: [lavrec]
   INFO: [lavrec] MJPEG buffer size:  128 KB
   INFO: [lavrec] # of MJPEG buffers: 32
   INFO: [lavrec] Audio disabled
   INFO: [lavrec] Auto detecting input and norm ...
   INFO: [lavrec] Image size will be 768x576, 2 field(s) per buffer
   INFO: [lavrec] Got 32 buffers of size 128 KB
++ WARN: [lavrec] Unable to set negative priority for main thread
++ WARN: [lavrec] Pthread Real-time scheduling for main thread could not be
enabled

Recording time  :  0.00.10:00
Lost frames     : 000
A/V sync ins/del: 000/000
Audio errors    : 000

-rw-r--r--  1 hans users 28611852 Aug 22 15:29 d1_250f_b128.avi

VirtualDub 1.6.8 reports:
Frame size, fps (us per frame): 768x576, 25.000 fps (400000 us)
Length: 250 frames (0:10.00)
Number of key frames:   250
Min/avg/max/total key frame size:       112272/114415/116876 (27934K)
Min/avg/max/total delta frame size:     (no delta frames)
Data rate:      22883 kbps (0.02% overhead)


Test 4:

lavrec -fa -iP -d1 -q100 -t10 -w -a0 -n32 -b512 -v1 d1_250f_b512.avi

   INFO: [lavrec] Recording parameters:
   INFO: [lavrec] Output format:      AVI
   INFO: [lavrec] Input Source:       S-Video PAL

   INFO: [lavrec] Decimation:         1
   INFO: [lavrec] Quality:            100
   INFO: [lavrec] Recording time:     10 sec
   INFO: [lavrec]
   INFO: [lavrec] MJPEG buffer size:  512 KB
   INFO: [lavrec] # of MJPEG buffers: 32
   INFO: [lavrec] Audio disabled
   INFO: [lavrec] Auto detecting input and norm ...
   INFO: [lavrec] Image size will be 768x576, 2 field(s) per buffer
   INFO: [lavrec] Got 32 buffers of size 512 KB
++ WARN: [lavrec] Unable to set negative priority for main thread
++ WARN: [lavrec] Pthread Real-time scheduling for main thread could not be
enabled

Recording time  :  0.00.10:00
Lost frames     : 000
A/V sync ins/del: 000/000
Audio errors    : 000

-rw-r--r--  1 hans users 85491512 Aug 22 15:30 d1_250f_b512.avi

VirtualDub 1.6.8 reports:
Frame size, fps (us per frame): 768x576, 25.000 fps (400000 us)
Length: 250 frames (0:10.00)
Number of key frames:   250
Min/avg/max/total key frame size:       335352/341933/348724 (83480K)
Min/avg/max/total delta frame size:     (no delta frames)
Data rate:      68387 kbps (0.01% overhead)


QED? :-)

DC30
Zoran Corporation ZR36057PQC Video cutting chipset (rev 01)
vendorId: 11de
deviceId: 6057


Hans



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