#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
+};
+
static const AVRational pixel_aspect[14]={
{0, 1},
{1, 1},
{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
};
-
-static const uint8_t rem6[52]={
-0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
-};
-
-static const uint8_t div6[52]={
-0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
-};
-
static const uint8_t default_scaling4[2][16]={
{ 6,13,20,28,
13,20,28,32,