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img2webp: convert a sequence of images to an animated webp

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Usage:

  img2webp [file-level options] [image files...] [per-frame options...]

File-level options (only used at the start of compression):
 -min_size ............ minimize size
 -loop <int> .......... loop count (default: 0, = infinite loop)
 -kmax <int> .......... maximum number of frame between key-frames
                        (0=only keyframes)
 -kmin <int> .......... minimum number of frame between key-frames
                        (0=disable key-frames altogether)
 -mixed ............... use mixed lossy/lossless automatic mode
 -v ................... verbose mode
 -h ................... this help

Per-frame options (only used for subsequent images input):
 -d <int> ............. frame duration in ms (default: 100)
 -lossless  ........... use lossless mode (default)
 -lossy ... ........... use lossy mode
 -q <float> ........... quality
 -m <int> ............. method to use

example: img2webp -loop 2 in0.png -lossy in1.jpg
                  -d 80 in2.tiff -o out.webp

Change-Id: I23771b90eaf0660f420d7ffd304e704155386286
This commit is contained in:
Pascal Massimino
2016-12-02 11:44:17 +01:00
parent ea72cd60cb
commit 03f40955a3
10 changed files with 493 additions and 4 deletions
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16
examples/Android.mk
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@ -64,3 +64,19 @@ LOCAL_STATIC_LIBRARIES := example_util imageio_util webpmux webp
LOCAL_MODULE := webpmux_example
include $(BUILD_EXECUTABLE)
################################################################################
# img2webp
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
img2webp.c \
LOCAL_CFLAGS := $(WEBP_CFLAGS)
LOCAL_C_INCLUDES := $(LOCAL_PATH)/../src
LOCAL_STATIC_LIBRARIES := example_util imageio_util imagedec webpmux webp
LOCAL_MODULE := img2webp_example
include $(BUILD_EXECUTABLE)