enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE, alt_pix_fmt = AV_PIX_FMT_NONE;
enum AVChromaLocation chroma_sample_location = AVCHROMA_LOC_UNSPECIFIED;
AVStream *st;
- enum AVFieldOrder field_order;
+ enum AVFieldOrder field_order = AV_FIELD_UNKNOWN;
for (i = 0; i < MAX_YUV4_HEADER; i++) {
header[i] = avio_r8(pb);