+#ifdef ALLOW_NOCHROMA
+#define CHROMA h->sps.chroma_format_idc
+#else
+#define CHROMA 1
+#endif
+
+#ifndef ENABLE_H264_ENCODER
+#define ENABLE_H264_ENCODER 0
+#endif
+
+#define EXTENDED_SAR 255
+
+/* NAL unit types */
+enum {
+ NAL_SLICE=1,
+ NAL_DPA,
+ NAL_DPB,
+ NAL_DPC,
+ NAL_IDR_SLICE,
+ NAL_SEI,
+ NAL_SPS,
+ NAL_PPS,
+ NAL_AUD,
+ NAL_END_SEQUENCE,
+ NAL_END_STREAM,
+ NAL_FILLER_DATA,
+ NAL_SPS_EXT,
+ NAL_AUXILIARY_SLICE=19
+};
+