avformat/apngdec: fix playback of piped apng files

The check for avio_size() made apng_read_header() return an error instead of just disabling looping.
2026-04-21 15:23:17 +02:00
parent 2e92764b86
commit 0cd2bbe4f4
1 changed files with 2 additions and 5 deletions
@@ -194,11 +194,8 @@ static int apng_read_header(AVFormatContext *s)
        if (acTL_found && ctx->num_play != 1) {
            int64_t size   = avio_size(pb);
            int64_t offset = avio_tell(pb);
-            if (size < 0) {
-                return size;
-            } else if (offset < 0) {
-                return offset;
-            } else if ((ret = ffio_ensure_seekback(pb, size - offset)) < 0) {
+            if (size < 0 || offset < 0 ||
+                (ret = ffio_ensure_seekback(pb, size - offset)) < 0) {
                av_log(s, AV_LOG_WARNING, "Could not ensure seekback, will not loop\n");
                ctx->num_play = 1;
            }