Port renaming changes from AOMedia

Cherry-Picked the following commits:
0defd8f Changed "WebM" to "AOMedia" & "webm" to "aomedia"
54e6676 Replace "VPx" by "AVx"
5082a36 Change "Vpx" to "Avx"
7df44f1 Replace "Vp9" w/ "Av1"
967f722 Remove kVp9CodecId
828f30c Change "Vp8" to "AOM"
030b5ff AUTHORS regenerated
2524cae Add ref-mv experimental flag
016762b Change copyright notice to AOMedia form
81e5526 Replace vp9 w/ av1
9b94565 Add missing files
fa8ca9f Change "vp9" to "av1"
ec838b7  Convert "vp8" to "aom"
80edfa0 Change "VP9" to "AV1"
d1a11fb Change "vp8" to "aom"
7b58251 Point to WebM test data
dd1a5c8 Replace "VP8" with "AOM"
ff00fc0 Change "VPX" to "AOM"
01dee0b Change "vp10" to "av1" in source code
cebe6f0 Convert "vpx" to "aom"
17b0567 rename vp10*.mk to av1_*.mk
fe5f8a8 rename files vp10_* to av1_*

Change-Id: I6fc3d18eb11fc171e46140c836ad5339cf6c9419
diff --git a/av1/common/quant_common.c b/av1/common/quant_common.c
index 79d8fb8..3adfa7b 100644
--- a/av1/common/quant_common.c
+++ b/av1/common/quant_common.c
@@ -130,8 +130,8 @@
     cuml_bins[i] = ROUND_POWER_OF_TWO(cuml_knots[i] * q, 7);
 }
 
-void vp10_get_dequant_val_nuq(int q, int qindex, int band, tran_low_t *dq,
-                              tran_low_t *cuml_bins, int q_profile) {
+void av1_get_dequant_val_nuq(int q, int qindex, int band, tran_low_t *dq,
+                             tran_low_t *cuml_bins, int q_profile) {
   const uint8_t *knots = get_nuq_knots(qindex, band, q_profile);
   tran_low_t cuml_bins_[NUQ_KNOTS], *cuml_bins_ptr;
   tran_low_t doff;
@@ -150,15 +150,15 @@
       cuml_bins_ptr[NUQ_KNOTS - 1] + ROUND_POWER_OF_TWO((64 - doff) * q, 7);
 }
 
-tran_low_t vp10_dequant_abscoeff_nuq(int v, int q, const tran_low_t *dq) {
+tran_low_t av1_dequant_abscoeff_nuq(int v, int q, const tran_low_t *dq) {
   if (v <= NUQ_KNOTS)
     return dq[v];
   else
     return dq[NUQ_KNOTS] + (v - NUQ_KNOTS) * q;
 }
 
-tran_low_t vp10_dequant_coeff_nuq(int v, int q, const tran_low_t *dq) {
-  tran_low_t dqmag = vp10_dequant_abscoeff_nuq(abs(v), q, dq);
+tran_low_t av1_dequant_coeff_nuq(int v, int q, const tran_low_t *dq) {
+  tran_low_t dqmag = av1_dequant_abscoeff_nuq(abs(v), q, dq);
   return (v < 0 ? -dqmag : dqmag);
 }
 #endif  // CONFIG_NEW_QUANT
@@ -185,7 +185,7 @@
   1184, 1232, 1282, 1336,
 };
 
-#if CONFIG_VP9_HIGHBITDEPTH
+#if CONFIG_AOM_HIGHBITDEPTH
 static const int16_t dc_qlookup_10[QINDEX_RANGE] = {
   4,    9,    10,   13,   15,   17,   20,   22,   25,   28,   31,   34,   37,
   40,   43,   47,   50,   53,   57,   60,   64,   68,   71,   75,   78,   82,
@@ -260,7 +260,7 @@
   1567, 1597, 1628, 1660, 1692, 1725, 1759, 1793, 1828,
 };
 
-#if CONFIG_VP9_HIGHBITDEPTH
+#if CONFIG_AOM_HIGHBITDEPTH
 static const int16_t ac_qlookup_10[QINDEX_RANGE] = {
   4,    9,    11,   13,   16,   18,   21,   24,   27,   30,   33,   37,   40,
   44,   48,   51,   55,   59,   63,   67,   71,   75,   79,   83,   88,   92,
@@ -312,14 +312,14 @@
 };
 #endif
 
-int16_t vp10_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth) {
-#if CONFIG_VP9_HIGHBITDEPTH
+int16_t av1_dc_quant(int qindex, int delta, aom_bit_depth_t bit_depth) {
+#if CONFIG_AOM_HIGHBITDEPTH
   switch (bit_depth) {
-    case VPX_BITS_8: return dc_qlookup[clamp(qindex + delta, 0, MAXQ)];
-    case VPX_BITS_10: return dc_qlookup_10[clamp(qindex + delta, 0, MAXQ)];
-    case VPX_BITS_12: return dc_qlookup_12[clamp(qindex + delta, 0, MAXQ)];
+    case AOM_BITS_8: return dc_qlookup[clamp(qindex + delta, 0, MAXQ)];
+    case AOM_BITS_10: return dc_qlookup_10[clamp(qindex + delta, 0, MAXQ)];
+    case AOM_BITS_12: return dc_qlookup_12[clamp(qindex + delta, 0, MAXQ)];
     default:
-      assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
+      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
       return -1;
   }
 #else
@@ -328,14 +328,14 @@
 #endif
 }
 
-int16_t vp10_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth) {
-#if CONFIG_VP9_HIGHBITDEPTH
+int16_t av1_ac_quant(int qindex, int delta, aom_bit_depth_t bit_depth) {
+#if CONFIG_AOM_HIGHBITDEPTH
   switch (bit_depth) {
-    case VPX_BITS_8: return ac_qlookup[clamp(qindex + delta, 0, MAXQ)];
-    case VPX_BITS_10: return ac_qlookup_10[clamp(qindex + delta, 0, MAXQ)];
-    case VPX_BITS_12: return ac_qlookup_12[clamp(qindex + delta, 0, MAXQ)];
+    case AOM_BITS_8: return ac_qlookup[clamp(qindex + delta, 0, MAXQ)];
+    case AOM_BITS_10: return ac_qlookup_10[clamp(qindex + delta, 0, MAXQ)];
+    case AOM_BITS_12: return ac_qlookup_12[clamp(qindex + delta, 0, MAXQ)];
     default:
-      assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12");
+      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
       return -1;
   }
 #else
@@ -344,8 +344,8 @@
 #endif
 }
 
-int vp10_get_qindex(const struct segmentation *seg, int segment_id,
-                    int base_qindex) {
+int av1_get_qindex(const struct segmentation *seg, int segment_id,
+                   int base_qindex) {
   if (segfeature_active(seg, segment_id, SEG_LVL_ALT_Q)) {
     const int data = get_segdata(seg, segment_id, SEG_LVL_ALT_Q);
     const int seg_qindex =
@@ -357,11 +357,11 @@
 }
 
 #if CONFIG_AOM_QM
-qm_val_t *aom_iqmatrix(VP10_COMMON *cm, int qmlevel, int is_chroma,
+qm_val_t *aom_iqmatrix(AV1_COMMON *cm, int qmlevel, int is_chroma,
                        int log2sizem2, int is_intra) {
   return &cm->giqmatrix[qmlevel][!!is_chroma][!!is_intra][log2sizem2][0];
 }
-qm_val_t *aom_qmatrix(VP10_COMMON *cm, int qmlevel, int is_chroma,
+qm_val_t *aom_qmatrix(AV1_COMMON *cm, int qmlevel, int is_chroma,
                       int log2sizem2, int is_intra) {
   return &cm->gqmatrix[qmlevel][!!is_chroma][!!is_intra][log2sizem2][0];
 }
@@ -371,7 +371,7 @@
 static uint16_t
     wt_matrix_ref[NUM_QM_LEVELS][2][2][4 * 4 + 8 * 8 + 16 * 16 + 32 * 32];
 
-void aom_qm_init(VP10_COMMON *cm) {
+void aom_qm_init(AV1_COMMON *cm) {
   int q, c, f, t, size;
   int current;
   for (q = 0; q < NUM_QM_LEVELS; ++q) {