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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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19
examples/webpmux.c
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@ -355,15 +355,16 @@ static int ReadData(const char* filename, void** data_ptr, uint32_t* size_ptr) {
static int ReadFile(const char* const filename, WebPMux** mux) {
uint32_t size = 0;
void* data = NULL;
WebPMuxState mux_state;
assert(mux != NULL);
if (!ReadData(filename, &data, &size)) return 0;
*mux = WebPMuxCreate((const uint8_t*)data, size, 1);
*mux = WebPMuxCreate((const uint8_t*)data, size, 1, &mux_state);
free(data);
if (*mux != NULL) return 1;
fprintf(stderr, "Failed to create mux object from file %s.\n",
filename);
if (*mux != NULL && mux_state == WEBP_MUX_STATE_COMPLETE) return 1;
fprintf(stderr, "Failed to create mux object from file %s. mux_state = %d.\n",
filename, mux_state);
return 0;
}
@ -377,14 +378,16 @@ static int ReadImage(const char* filename,
WebPMux* mux;
WebPMuxError err;
int ok = 0;
WebPMuxState mux_state;
if (!ReadData(filename, &data, &size)) return 0;
mux = WebPMuxCreate((const uint8_t*)data, size, 1);
mux = WebPMuxCreate((const uint8_t*)data, size, 1, &mux_state);
free(data);
if (mux == NULL) {
fprintf(stderr, "Failed to create mux object from file %s.\n",
filename);
if (mux == NULL || mux_state != WEBP_MUX_STATE_COMPLETE) {
fprintf(stderr,
"Failed to create mux object from file %s. mux_state = %d.\n",
filename, mux_state);
return 0;
}
err = WebPMuxGetImage(mux, (const uint8_t**)&data, &size,