emote2ss

commit b1092ca1a469424fbf124705bdd1715fd8078d44
parent 1da27ed72e6a3e526f1a55978e8e8240e8fee607
Author: bsandro <email@bsandro.tech>
Date:   Mon,  8 May 2023 02:30:46 +0300

Sample vertical tiles dump

Diffstat:
M
src/main.c
 | 
12
+++++++++++-

1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/src/main.c b/src/main.c
@@ -8,6 +8,7 @@
 #include "webp/demux.h"
 #include <stdbool.h>
 #include <stdlib.h>
+#include <strings.h>
 #include <assert.h>
 
 #define NUM_CHANNELS 4
@@ -152,11 +153,20 @@ void write_webp(const char *fname, AnimatedImage *img) {
 	FILE *fp = fopen(fname, "wb");
 	assert(fp!=NULL);
 	uint8_t *out;
+	size_t frame_size = img->width * img->height * sizeof(uint32_t);
+	size_t frames_size = frame_size * img->frame_count;
+	uint8_t *merged = malloc(frames_size);
+	assert(merged!=NULL);
+	bzero(merged, frames_size);
+	for (uint32_t i=0; i< img->frame_count; ++i) {
+		memcpy(merged+frame_size*i, img->frames[i].rgba, frame_size);
+	}
 	int stride = img->width * sizeof(uint32_t);
-	size_t encoded = WebPEncodeLosslessRGBA(img->frames[0].rgba, img->width, img->height, stride, &out);
+	size_t encoded = WebPEncodeLosslessRGBA(merged, img->width, img->height*img->frame_count, 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);
+	free(merged);
 	fclose(fp);
 }