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examples: logging updates

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- send errors to stderr
- send help to stdout
- add image size to webpmux -info output and send to stdout
- correct webpmux exit values

Change-Id: Ifd8e8493aab33a82765f7b7903cef345d96da9ae
This commit is contained in:
James Zern
2012-01-24 12:46:46 -08:00
parent 6c14aaddc4
commit 974aaff360
5 changed files with 117 additions and 123 deletions
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33
README.mux
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@ -8,49 +8,53 @@ Description:
============
WebP Mux: library to create the MUX container object for features like
Color profile, XMP metadata, Animation & Tiling. A reference command line
tool 'webpmux' and Mux container specification 'MuxContainerSpec.pdf' are also
provided in this package.
color profile, XMP metadata, animation & tiling. A reference command line
tool 'webpmux' and Mux container specification 'doc/webp-container-spec.txt'
are also provided in this package.
WebP Mux tool:
==============
The examples/ directory contains tool (webpmux) for manipulating the WebP Mux
file. webpmux tool can be used to create a WebP container file and to extract or
strip relevant data from the container file.
The examples/ directory contains a tool (webpmux) for manipulating the WebP Mux
file. The webpmux tool can be used to create a WebP container file and to
extract or strip relevant data from the container file.
A list of options is available using the -help command line flag:
> webpmux -help
Usage: webpmux -get GET_OPTIONS INPUT -o OUTPUT
or: webpmux -set SET_OPTIONS INPUT -o OUTPUT
or: webpmux -strip STRIP_OPTIONS INPUT -o OUTPUT
or: webpmux [-tile TILE_OPTIONS]... -o OUTPUT
or: webpmux [-frame FRAME_OPTIONS]... -loop LOOP_COUNT -o OUTPUT
or: webpmux -info INPUT
or: webpmux -help OR -h
webpmux -set SET_OPTIONS INPUT -o OUTPUT
webpmux -strip STRIP_OPTIONS INPUT -o OUTPUT
webpmux -tile TILE_OPTIONS [-tile...] -o OUTPUT
webpmux -frame FRAME_OPTIONS [-frame...] -loop LOOP_COUNT -o OUTPUT
webpmux -info INPUT
webpmux [-h|-help]
GET_OPTIONS:
Extract relevant data.
icc Get ICCP Color profile.
xmp Get XMP metadata.
tile n Get nth tile.
frame n Get nth frame.
SET_OPTIONS:
Set color profile/metadata.
icc Set ICC Color profile.
xmp Set XMP metadata.
STRIP_OPTIONS:
Strip color profile/metadata.
icc Strip ICCP color profile.
xmp Strip XMP metadata.
TILE_OPTIONS(i):
Create tiled image.
file_i +xi+yi
where: 'file_i' is the i'th tile (webp format),
'xi','yi' specify the image offset for this tile.
FRAME_OPTIONS(i):
Create animation.
file_i +xi+yi+di
where: 'file_i' is the i'th animation frame (webp format),
'xi','yi' specify the image offset for this frame.
@ -58,8 +62,6 @@ FRAME_OPTIONS(i):
INPUT & OUTPUT are in webp format.
WebP Mux API:
==============
WebP Mux API contains methods for adding data to WebPMux (a MUX container object
@ -101,7 +103,6 @@ Example#2 (pseudo code): Get image & color profile data from a WebP file.
For detailed MUX-API reference, please refer to the header file (src/webp/mux.h)
Bugs:
=====