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gif2webp: fix transcode of loop count=65535

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with loop_compatibility disabled (the default), non-zero loop counts
will be incremented by 1 for browser rendering compatibility. the max,
65535, is a special case as the muxer will fail if it is exceeded; avoid
increasing the limit in this case. this isn't 100% correct, but should
be close enough given the high number of iterations.

BUG=webp:382

Change-Id: Icde3e98a58e9ee89604a72fafda30ab71060dec5
This commit is contained in:
James Zern
2018-05-09 17:36:13 -07:00
parent dce5d76431
commit af0e4fbb06
4 changed files with 21 additions and 3 deletions
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6
examples/anim_util.h
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@ -22,6 +22,11 @@
extern "C" {
#endif
typedef enum {
ANIM_GIF,
ANIM_WEBP
} AnimatedFileFormat;
typedef struct {
uint8_t* rgba; // Decoded and reconstructed full frame.
int duration; // Frame duration in milliseconds.
@ -29,6 +34,7 @@ typedef struct {
} DecodedFrame;
typedef struct {
AnimatedFileFormat format;
uint32_t canvas_width;
uint32_t canvas_height;
uint32_t bgcolor;