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add -version option to anim_dump,anim_diff and img2webp

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This is to harmonize the -h/-version options on all our examples.

+ added GetAnimatedImageVersions() method to anim_util.*

Change-Id: I2304a1c29e310682e97f236d3867274a192a7a09
This commit is contained in:
Pascal Massimino
2018-04-03 14:50:58 +02:00
committed by James Zern
parent fc1b8e3a8b
commit 64a57d0587
7 changed files with 60 additions and 6 deletions
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9
examples/img2webp.c
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@ -48,6 +48,7 @@ static void Help(void) {
printf(" -mixed ............... use mixed lossy/lossless automatic mode\n");
printf(" -v ................... verbose mode\n");
printf(" -h ................... this help\n");
printf(" -version ............. print version number and exit\n");
printf("\n");
printf("Per-frame options (only used for subsequent images input):\n");
@ -177,6 +178,14 @@ int main(int argc, const char* argv[]) {
} else if (!strcmp(argv[c], "-h") || !strcmp(argv[c], "-help")) {
Help();
goto End;
} else if (!strcmp(argv[c], "-version")) {
const int enc_version = WebPGetEncoderVersion();
const int mux_version = WebPGetMuxVersion();
printf("WebP Encoder version: %d.%d.%d\nWebP Mux version: %d.%d.%d\n",
(enc_version >> 16) & 0xff, (enc_version >> 8) & 0xff,
enc_version & 0xff, (mux_version >> 16) & 0xff,
(mux_version >> 8) & 0xff, mux_version & 0xff);
goto End;
} else {
continue;
}