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/tools_common.h b/tools_common.h
index 4cdb312..66463e8 100644
--- a/tools_common.h
+++ b/tools_common.h
@@ -12,10 +12,10 @@
 
 #include <stdio.h>
 
-#include "./vpx_config.h"
-#include "aom/vpx_codec.h"
-#include "aom/vpx_image.h"
-#include "aom/vpx_integer.h"
+#include "./aom_config.h"
+#include "aom/aom_codec.h"
+#include "aom/aom_image.h"
+#include "aom/aom_integer.h"
 #include "aom_ports/msvc.h"
 
 #if CONFIG_ENCODERS
@@ -60,9 +60,7 @@
 
 #define RAW_FRAME_HDR_SZ sizeof(uint32_t)
 
-#define VP8_FOURCC 0x30385056
-#define VP9_FOURCC 0x30395056
-#define VP10_FOURCC 0x303a5056
+#define AV1_FOURCC 0x31305641
 
 enum VideoFileType {
   FILE_TYPE_RAW,
@@ -77,12 +75,12 @@
   size_t position;
 };
 
-struct VpxRational {
+struct AvxRational {
   int numerator;
   int denominator;
 };
 
-struct VpxInputContext {
+struct AvxInputContext {
   const char *filename;
   FILE *file;
   int64_t length;
@@ -90,12 +88,12 @@
   enum VideoFileType file_type;
   uint32_t width;
   uint32_t height;
-  struct VpxRational pixel_aspect_ratio;
-  vpx_img_fmt_t fmt;
-  vpx_bit_depth_t bit_depth;
+  struct AvxRational pixel_aspect_ratio;
+  aom_img_fmt_t fmt;
+  aom_bit_depth_t bit_depth;
   int only_i420;
   uint32_t fourcc;
-  struct VpxRational framerate;
+  struct AvxRational framerate;
 #if CONFIG_ENCODERS
   y4m_input y4m;
 #endif
@@ -106,55 +104,55 @@
 #endif
 
 #if defined(__GNUC__)
-#define VPX_NO_RETURN __attribute__((noreturn))
+#define AOM_NO_RETURN __attribute__((noreturn))
 #else
-#define VPX_NO_RETURN
+#define AOM_NO_RETURN
 #endif
 
 /* Sets a stdio stream into binary mode */
 FILE *set_binary_mode(FILE *stream);
 
-void die(const char *fmt, ...) VPX_NO_RETURN;
-void fatal(const char *fmt, ...) VPX_NO_RETURN;
+void die(const char *fmt, ...) AOM_NO_RETURN;
+void fatal(const char *fmt, ...) AOM_NO_RETURN;
 void warn(const char *fmt, ...);
 
-void die_codec(vpx_codec_ctx_t *ctx, const char *s) VPX_NO_RETURN;
+void die_codec(aom_codec_ctx_t *ctx, const char *s) AOM_NO_RETURN;
 
 /* The tool including this file must define usage_exit() */
-void usage_exit(void) VPX_NO_RETURN;
+void usage_exit(void) AOM_NO_RETURN;
 
-#undef VPX_NO_RETURN
+#undef AOM_NO_RETURN
 
-int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame);
+int read_yuv_frame(struct AvxInputContext *input_ctx, aom_image_t *yuv_frame);
 
-typedef struct VpxInterface {
+typedef struct AvxInterface {
   const char *const name;
   const uint32_t fourcc;
-  vpx_codec_iface_t *(*const codec_interface)();
-} VpxInterface;
+  aom_codec_iface_t *(*const codec_interface)();
+} AvxInterface;
 
-int get_vpx_encoder_count(void);
-const VpxInterface *get_vpx_encoder_by_index(int i);
-const VpxInterface *get_vpx_encoder_by_name(const char *name);
+int get_aom_encoder_count(void);
+const AvxInterface *get_aom_encoder_by_index(int i);
+const AvxInterface *get_aom_encoder_by_name(const char *name);
 
-int get_vpx_decoder_count(void);
-const VpxInterface *get_vpx_decoder_by_index(int i);
-const VpxInterface *get_vpx_decoder_by_name(const char *name);
-const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc);
+int get_aom_decoder_count(void);
+const AvxInterface *get_aom_decoder_by_index(int i);
+const AvxInterface *get_aom_decoder_by_name(const char *name);
+const AvxInterface *get_aom_decoder_by_fourcc(uint32_t fourcc);
 
-// TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
-// of vpx_image_t support
-int vpx_img_plane_width(const vpx_image_t *img, int plane);
-int vpx_img_plane_height(const vpx_image_t *img, int plane);
-void vpx_img_write(const vpx_image_t *img, FILE *file);
-int vpx_img_read(vpx_image_t *img, FILE *file);
+// TODO(dkovalev): move this function to aom_image.{c, h}, so it will be part
+// of aom_image_t support
+int aom_img_plane_width(const aom_image_t *img, int plane);
+int aom_img_plane_height(const aom_image_t *img, int plane);
+void aom_img_write(const aom_image_t *img, FILE *file);
+int aom_img_read(aom_image_t *img, FILE *file);
 
 double sse_to_psnr(double samples, double peak, double mse);
 
-#if CONFIG_VP9_HIGHBITDEPTH
-void vpx_img_upshift(vpx_image_t *dst, vpx_image_t *src, int input_shift);
-void vpx_img_downshift(vpx_image_t *dst, vpx_image_t *src, int down_shift);
-void vpx_img_truncate_16_to_8(vpx_image_t *dst, vpx_image_t *src);
+#if CONFIG_AOM_HIGHBITDEPTH
+void aom_img_upshift(aom_image_t *dst, aom_image_t *src, int input_shift);
+void aom_img_downshift(aom_image_t *dst, aom_image_t *src, int down_shift);
+void aom_img_truncate_16_to_8(aom_image_t *dst, aom_image_t *src);
 #endif
 
 #ifdef __cplusplus