- if (i == MAX_YUV4_HEADER)
- return -1;
- if (strncmp(header, Y4M_MAGIC, strlen(Y4M_MAGIC)))
- return -1;
+ if (i == MAX_YUV4_HEADER) {
+ av_log(s, AV_LOG_ERROR, "Header too large.\n");
+ return AVERROR(EINVAL);
+ }
+ if (strncmp(header, Y4M_MAGIC, strlen(Y4M_MAGIC))) {
+ av_log(s, AV_LOG_ERROR, "Invalid magic number for yuv4mpeg.\n");
+ return AVERROR(EINVAL);
+ }