dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-16 22:09:57 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Mux: Allow only some frames/tiles to have alpha.

Browse Source 
And related const fixes.

Change-Id: I79f6f1b9f8c6faac8cc4ef24b58edff6d90de045
This commit is contained in:
Urvang Joshi
2012-06-29 17:16:08 +05:30
parent 3ba81bbe8b
commit 97649c8f6b
4 changed files with 17 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/mux/muxi.h
View File

@ -194,7 +194,7 @@ WebPMuxImage* MuxImageDelete(WebPMuxImage* const wpi);
void MuxImageDeleteAll(WebPMuxImage** const wpi_list);
// Count number of images matching the given tag id in the 'wpi_list'.
int MuxImageCount(WebPMuxImage* const wpi_list, WebPChunkId id);
int MuxImageCount(const WebPMuxImage* wpi_list, WebPChunkId id);
// Check if given ID corresponds to an image related chunk.
static WEBP_INLINE int IsWPI(WebPChunkId id) {
@ -208,14 +208,14 @@ static WEBP_INLINE int IsWPI(WebPChunkId id) {
}
// Get a reference to appropriate chunk list within an image given chunk tag.
static WEBP_INLINE WebPChunk** MuxImageGetListFromId(WebPMuxImage* wpi,
WebPChunkId id) {
static WEBP_INLINE WebPChunk** MuxImageGetListFromId(
const WebPMuxImage* const wpi, WebPChunkId id) {
assert(wpi != NULL);
switch (id) {
case WEBP_CHUNK_FRAME:
case WEBP_CHUNK_TILE: return &wpi->header_;
case WEBP_CHUNK_ALPHA: return &wpi->alpha_;
case WEBP_CHUNK_IMAGE: return &wpi->img_;
case WEBP_CHUNK_TILE: return (WebPChunk**)&wpi->header_;
case WEBP_CHUNK_ALPHA: return (WebPChunk**)&wpi->alpha_;
case WEBP_CHUNK_IMAGE: return (WebPChunk**)&wpi->img_;
default: return NULL;
}
}