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Incremental support for some of the mux APIs.

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This CL adds incremental support for WebPMuxCreate() and
WebPMuxGetFeatures()

Change-Id: I312122f5e817d58366e18ae238cb9e2a493811fb
This commit is contained in:
Urvang Joshi
2012-01-13 14:46:30 +05:30
parent 2e74ec8b5f
commit 8d6490dae6
6 changed files with 148 additions and 70 deletions
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13
src/mux/muxinternal.c
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@@ -344,7 +344,7 @@ WebPMuxError MuxImageSetNth(const WebPMuxImage* wpi, WebPMuxImage** wpi_list,
//------------------------------------------------------------------------------
// MuxImage deletion methods.
static WebPMuxImage* DeleteImage(WebPMuxImage* const wpi) {
WebPMuxImage* MuxImageDelete(WebPMuxImage* const wpi) {
WebPMuxImage* const next = MuxImageRelease(wpi);
free(wpi);
return next;
@@ -352,7 +352,7 @@ static WebPMuxImage* DeleteImage(WebPMuxImage* const wpi) {
void MuxImageDeleteAll(WebPMuxImage** const wpi_list) {
while (*wpi_list) {
*wpi_list = DeleteImage(*wpi_list);
*wpi_list = MuxImageDelete(*wpi_list);
}
}
@@ -362,7 +362,7 @@ WebPMuxError MuxImageDeleteNth(WebPMuxImage** wpi_list, uint32_t nth,
if (!SearchImageToGetOrDelete(wpi_list, nth, id, &wpi_list)) {
return WEBP_MUX_NOT_FOUND;
}
*wpi_list = DeleteImage(*wpi_list);
*wpi_list = MuxImageDelete(*wpi_list);
return WEBP_MUX_OK;
}
@@ -474,7 +474,12 @@ WebPMuxError WebPMuxValidate(const WebPMux* const mux) {
WebPMuxError err;
// Verify mux is not NULL.
if (mux == NULL) return WEBP_MUX_INVALID_ARGUMENT;
if (mux == NULL || mux->state_ == WEBP_MUX_STATE_ERROR) {
return WEBP_MUX_INVALID_ARGUMENT;
}
// No further checks if mux is partial.
if (mux->state_ == WEBP_MUX_STATE_PARTIAL) return WEBP_MUX_OK;
// Verify mux has at least one image.
if (mux->images_ == NULL) return WEBP_MUX_INVALID_ARGUMENT;