Hi Hans, Am 07.10.2012 15:05, schrieb Hans de Goede: > Hi Frank, > > Thanks for all your work on this. I'm afraid that atm I'm very busy > with work, so I don't have time to review your patches. I hope to > find some time for this next weekend... No problem, I will send you a reminder in 2 weeks. ;) I didn't have much time yet to work on further libv4lconvert patches, too. Regards, Frank > > Regards, > > Hans > > > On 10/03/2012 06:48 PM, Frank Schäfer wrote: >> Signed-off-by: Frank Schäfer <fschaefer.oss@xxxxxxxxxxxxxx> >> --- >> lib/include/libv4lconvert.h | 20 ++++++++++++++++++-- >> 1 Datei geändert, 18 Zeilen hinzugefügt(+), 2 Zeilen entfernt(-) >> >> diff --git a/lib/include/libv4lconvert.h b/lib/include/libv4lconvert.h >> index 167b57d..509655e 100644 >> --- a/lib/include/libv4lconvert.h >> +++ b/lib/include/libv4lconvert.h >> @@ -89,8 +89,24 @@ LIBV4L_PUBLIC int >> v4lconvert_needs_conversion(struct v4lconvert_data *data, >> const struct v4l2_format *src_fmt, /* in */ >> const struct v4l2_format *dest_fmt); /* in */ >> >> -/* return value of -1 on error, otherwise the amount of bytes >> written to >> - dest */ >> +/* This function does the following conversions: >> + - format conversion >> + - cropping >> + if enabled: >> + - processing (auto whitebalance, auto gain, gamma correction) >> + - horizontal/vertical flipping >> + - 90 degree (clockwise) rotation >> + >> + NOTE: the last 3 steps are enabled/disabled depending on >> + - the internal device list >> + - the state of the (software emulated) image controls >> + >> + Therefore this function should >> + - not be used when getting the frames from libv4l >> + - be called only once per frame >> + Otherwise this may result in unintended double conversions ! >> + >> + Returns the amount of bytes written to dest an -1 on error */ >> LIBV4L_PUBLIC int v4lconvert_convert(struct v4lconvert_data *data, >> const struct v4l2_format *src_fmt, /* in */ >> const struct v4l2_format *dest_fmt, /* in */ >> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
