dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-13 14:34:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add Alpha Encode support from WebPEncode.

Browse Source 
Extend WebP Encode functionality to encode Alpha data and produce
bit-stream (RIFF+VP8X+ALPH+VP8) corresponding to WebP-Alpha.

Change-Id: I983b4cd97be94a86a8e6d03b3b9c728db851bf48
This commit is contained in:
Vikas Arora
2011-12-01 12:14:15 +05:30
parent 16612ddd30
commit 9523f2a5de
9 changed files with 207 additions and 138 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/enc/webpenc.c
View File

@ -250,8 +250,8 @@ static VP8Encoder* InitEncoder(const WebPConfig* const config,
ResetFilterHeader(enc);
ResetBoundaryPredictions(enc);
#ifdef WEBP_EXPERIMENTAL_FEATURES
VP8EncInitAlpha(enc);
#ifdef WEBP_EXPERIMENTAL_FEATURES
VP8EncInitLayer(enc);
#endif
@ -260,8 +260,8 @@ static VP8Encoder* InitEncoder(const WebPConfig* const config,
static void DeleteEncoder(VP8Encoder* enc) {
if (enc) {
#ifdef WEBP_EXPERIMENTAL_FEATURES
VP8EncDeleteAlpha(enc);
#ifdef WEBP_EXPERIMENTAL_FEATURES
VP8EncDeleteLayer(enc);
#endif
free(enc);
@ -335,8 +335,8 @@ int WebPEncode(const WebPConfig* const config, WebPPicture* const pic) {
ok = VP8EncAnalyze(enc)
&& VP8StatLoop(enc)
&& VP8EncLoop(enc)
#ifdef WEBP_EXPERIMENTAL_FEATURES
&& VP8EncFinishAlpha(enc)
#ifdef WEBP_EXPERIMENTAL_FEATURES
&& VP8EncFinishLayer(enc)
#endif
&& VP8EncWrite(enc);