path: root/Documentation
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authorHans Verkuil <hverkuil@xs4all.nl>2007-04-27 12:31:22 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-04-27 15:43:47 -0300
commit0b20060f6c2cc69c5394cf9782513e7b526e87b9 (patch)
treeb2dca38d3782605618685436d3cec47daa17b369 /Documentation
parent145859cb8fafc1d75e780ea182413b13f5913a7f (diff)
V4L/DVB (5336): Cx23416 doc updates + rename CX2341X_ENC_UNKNOWN
The documentation of Several miscellaneous commands was updated. As a result of which the CX2341X_ENC_UNKNOWN command was renamed to CX2341X_ENC_SET_VERT_CROP_LINE. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'Documentation')
1 files changed, 10 insertions, 9 deletions
diff --git a/Documentation/video4linux/cx2341x/fw-encoder-api.txt b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
index 242104ce5b61..5dd3109a8b3f 100644
--- a/Documentation/video4linux/cx2341x/fw-encoder-api.txt
+++ b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
@@ -663,12 +663,13 @@ Param[0]
Enum 219/0xDB
- Unknown API, it's used by Hauppauge though.
+ Something to do with 'Vertical Crop Line'
- 0 This is the value Hauppauge uses, Unknown what it means.
+ If saa7114 and raw VBI capture and 60 Hz, then set to 10001.
+ Else 0.
@@ -682,11 +683,9 @@ Param[0]
Command number:
1=set initial SCR value when starting encoding (works).
2=set quality mode (apparently some test setting).
- 3=setup advanced VIM protection handling (supposedly only for the cx23416
- for raw YUV).
- Actually it looks like this should be 0 for saa7114/5 based card and 1
- for cx25840 based cards.
- 4=generate artificial PTS timestamps
+ 3=setup advanced VIM protection handling.
+ Always 1 for the cx23416 and 0 for cx23415.
+ 4=generate DVD compatible PTS timestamps
5=USB flush mode
6=something to do with the quantization matrix
7=set navigation pack insertion for DVD: adds 0xbf (private stream 2)
@@ -698,7 +697,9 @@ Param[0]
9=set history parameters of the video input module
10=set input field order of VIM
11=set quantization matrix
- 12=reset audio interface
+ 12=reset audio interface after channel change or input switch (has no argument).
+ Needed for the cx2584x, not needed for the mspx4xx, but it doesn't seem to
+ do any harm calling it regardless.
13=set audio volume delay
14=set audio delay