emote2ss

commit 1da27ed72e6a3e526f1a55978e8e8240e8fee607
parent a677ba2b55d3d73f42a1d62b56a7c9d5a9cf5378
Author: bsandro <email@bsandro.tech>
Date:   Fri,  5 May 2023 01:45:48 +0300

test generate output webp with 1st frame

Diffstat:
M
src/main.c
 | 
16
++++++++++++++++

1 file changed, 16 insertions(+), 0 deletions(-)
diff --git a/src/main.c b/src/main.c
@@ -4,6 +4,7 @@
 
 #include <stdio.h>
 #include "webp/decode.h"
+#include "webp/encode.h"
 #include "webp/demux.h"
 #include <stdbool.h>
 #include <stdlib.h>
@@ -147,6 +148,18 @@ int read_webp(const char *fname, AnimatedImage *anim) {
 	return 0;
 }
 
+void write_webp(const char *fname, AnimatedImage *img) {
+	FILE *fp = fopen(fname, "wb");
+	assert(fp!=NULL);
+	uint8_t *out;
+	int stride = img->width * sizeof(uint32_t);
+	size_t encoded = WebPEncodeLosslessRGBA(img->frames[0].rgba, img->width, img->height, stride, &out);
+	printf("size: %lu, encoded: %lu\n", img->width*img->height*sizeof(uint32_t), encoded);
+	size_t written = fwrite(out, sizeof(uint8_t), encoded, fp);
+	assert(written==encoded);
+	fclose(fp);
+}
+
 int main(int argc, const char **argv) {
 	atexit(print_webp_version);
 
@@ -155,6 +168,9 @@ int main(int argc, const char **argv) {
 			AnimatedImage img = {0};
 			assert(read_webp(argv[i], &img) == 0);
 			printf("dimensions: %dx%d\nframes: %d\n", img.width, img.height, img.frame_count);
+
+			// dump 1st frame to test stuff
+			write_webp("test01.webp", &img);
 		}
 	}