Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e12ceaf4962d804320d639faed1da61e2cb85723
Commit: e12ceaf4962d804320d639faed1da61e2cb85723
Parent: 8387c66c7f06842b06222235a3749b31448d6637
Author: Hans Verkuil <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 18 13:06:30 2006 -0300
Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Wed Feb 21 13:34:13 2007 -0200
V4L/DVB (4981): Update cx2341x documentation.
Signed-off-by: Hans Verkuil <[EMAIL PROTECTED]>
Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
.../video4linux/cx2341x/fw-decoder-api.txt | 14 ++++++++++++++
Documentation/video4linux/cx2341x/fw-memory.txt | 2 +-
2 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/Documentation/video4linux/cx2341x/fw-decoder-api.txt
b/Documentation/video4linux/cx2341x/fw-decoder-api.txt
index 78bf5f2..15c388b 100644
--- a/Documentation/video4linux/cx2341x/fw-decoder-api.txt
+++ b/Documentation/video4linux/cx2341x/fw-decoder-api.txt
@@ -32,6 +32,10 @@ Description
playback stops at specified PTS.
Param[0]
Display 0=last frame, 1=black
+ Note: this takes effect immediately, so if you want to wait for a PTS,
+ then use '0', otherwise the screen goes to black at once.
+ You can call this later (even if there is no playback) with a 1 value
+ to set the screen to black.
Param[1]
PTS low
Param[2]
@@ -60,8 +64,12 @@ Param[0]
31 Speed:
'0' slow
'1' fast
+ Note: n seems to be limited to 2. Anything higher does not result in
+ faster playback. Instead the host should start dropping frames.
Param[1]
Direction: 0=forward, 1=reverse
+ Note: to make reverse playback work you have to write full GOPs in
+ reverse order.
Param[2]
Picture mask:
1=I frames
@@ -69,6 +77,8 @@ Param[2]
7=I, P, B frames
Param[3]
B frames per GOP (for reverse play only)
+ Note: apparently this does not work. For reverse play I can only make it
+ work by selecting I or I and P frames in the Picture mask.
Param[4]
Mute audio: 0=disable, 1=enable
Param[5]
@@ -212,6 +222,7 @@ Description
Select audio mode
Param[0]
Dual mono mode action
+ 0=Stereo, 1=Left, 2=Right, 3=Mono, 4=Swap, -1=Unchanged
Param[1]
Stereo mode action:
0=Stereo, 1=Left, 2=Right, 3=Mono, 4=Swap, -1=Unchanged
@@ -225,6 +236,9 @@ Description
Counterpart to API 0xD5
Param[0]
Event: 0=Audio mode change between stereo and dual channel
+ Event: 3=Decoder started
+ Event: 4=Unknown: goes off 10-15 times per second while decoding.
+ Event: 5=Some sync event: goes off once per frame.
Param[1]
Notification 0=disabled, 1=enabled
Param[2]
diff --git a/Documentation/video4linux/cx2341x/fw-memory.txt
b/Documentation/video4linux/cx2341x/fw-memory.txt
index ef0aad3..0cf2491 100644
--- a/Documentation/video4linux/cx2341x/fw-memory.txt
+++ b/Documentation/video4linux/cx2341x/fw-memory.txt
@@ -125,7 +125,7 @@ Bit
27 Encoder DMA complete
26
25 Decoder copy protect detection event
-24 Decoder audio mode change detection event
+24 Decoder audio mode change detection event (through event notification)
23
22 Decoder data request
21 Decoder I-Frame? done
-
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