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add extra meaning to WebPDecBuffer::is_external_memory

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If value is '2', it means the buffer is a 'slow' one, like GPU-mapped memory.

This change is backward compatible (setting is_external_memory to 2
will be a no-op in previous libraries)

dwebp:  add flags to force a particular colorspace format
new flags is:
   -pixel_format {RGB,RGBA,BGR,BGRA,ARGB,RGBA_4444,RGB_565,
                  rgbA,bgrA,Argb,rgbA_4444,YUV,YUVA}
and also,external_memory {0,1,2}
These flags are mostly for debuggging purpose, and hence are not documented.

Change-Id: Iac88ce1e10b35163dd7af57f9660f062f5d8ed5e
This commit is contained in:
Pascal Massimino
2016-03-09 08:58:58 +01:00
parent a90edffb7e
commit abdb109f3b
7 changed files with 296 additions and 46 deletions
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2
src/dec/vp8i.h
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@ -32,7 +32,7 @@ extern "C" {
// version numbers
#define DEC_MAJ_VERSION 0
#define DEC_MIN_VERSION 5
#define DEC_REV_VERSION 0
#define DEC_REV_VERSION 1
// YUV-cache parameters. Cache is 32-bytes wide (= one cacheline).
// Constraints are: We need to store one 16x16 block of luma samples (y),