Rename av1_add_film_grain() to aom_add_film_grain()

av1_add_film_grain() is defined in aom_dsp, is supposed to be useable
for codecs beyond av1.

BUG=aomedia:2734

Change-Id: I9fc380fcc2f545ce1d9b16be8051543b2db2e444

aom_dsp/grain_synthesis.c

diff --git a/aom_dsp/grain_synthesis.c b/aom_dsp/grain_synthesis.c
index 626eb76..d476aff 100644
--- a/aom_dsp/grain_synthesis.c
+++ b/aom_dsp/grain_synthesis.c
@@ -914,7 +914,7 @@
   }
 }
 
-int av1_add_film_grain(const aom_film_grain_t *params, const aom_image_t *src,
+int aom_add_film_grain(const aom_film_grain_t *params, const aom_image_t *src,
                        aom_image_t *dst) {
   uint8_t *luma, *cb, *cr;
   int height, width, luma_stride, chroma_stride;
@@ -1015,12 +1015,12 @@
   luma_stride = dst->stride[AOM_PLANE_Y] >> use_high_bit_depth;
   chroma_stride = dst->stride[AOM_PLANE_U] >> use_high_bit_depth;
 
-  return av1_add_film_grain_run(
+  return aom_add_film_grain_run(
       params, luma, cb, cr, height, width, luma_stride, chroma_stride,
       use_high_bit_depth, chroma_subsamp_y, chroma_subsamp_x, mc_identity);
 }
 
-int av1_add_film_grain_run(const aom_film_grain_t *params, uint8_t *luma,
+int aom_add_film_grain_run(const aom_film_grain_t *params, uint8_t *luma,
                            uint8_t *cb, uint8_t *cr, int height, int width,
                            int luma_stride, int chroma_stride,
                            int use_high_bit_depth, int chroma_subsamp_y,

aom_dsp/grain_synthesis.h

diff --git a/aom_dsp/grain_synthesis.h b/aom_dsp/grain_synthesis.h
index 9155b39..9a8994d 100644
--- a/aom_dsp/grain_synthesis.h
+++ b/aom_dsp/grain_synthesis.h
@@ -166,7 +166,7 @@
  * \param[in]    luma_stride      luma plane stride
  * \param[in]    chroma_stride    chroma plane stride
  */
-int av1_add_film_grain_run(const aom_film_grain_t *grain_params, uint8_t *luma,
+int aom_add_film_grain_run(const aom_film_grain_t *grain_params, uint8_t *luma,
                            uint8_t *cb, uint8_t *cr, int height, int width,
                            int luma_stride, int chroma_stride,
                            int use_high_bit_depth, int chroma_subsamp_y,
@@ -182,7 +182,7 @@
  * \param[in]    src              Source image
  * \param[out]   dst              Resulting image with grain
  */
-int av1_add_film_grain(const aom_film_grain_t *grain_params,
+int aom_add_film_grain(const aom_film_grain_t *grain_params,
                        const aom_image_t *src, aom_image_t *dst);
 
 #ifdef __cplusplus

av1/av1_dx_iface.c

diff --git a/av1/av1_dx_iface.c b/av1/av1_dx_iface.c
index 43374d0..298a5bd 100644
--- a/av1/av1_dx_iface.c
+++ b/av1/av1_dx_iface.c
@@ -715,7 +715,7 @@
 
   grain_img->user_priv = img->user_priv;
   grain_img->fb_priv = fb->priv;
-  if (av1_add_film_grain(grain_params, img, grain_img)) {
+  if (aom_add_film_grain(grain_params, img, grain_img)) {
     pool->release_fb_cb(pool->cb_priv, fb);
     return NULL;
   }

av1/exports_dec

diff --git a/av1/exports_dec b/av1/exports_dec
index daabf67..e9e0865 100644
--- a/av1/exports_dec
+++ b/av1/exports_dec
@@ -1,3 +1,3 @@
 data aom_codec_av1_dx_algo
 text aom_codec_av1_dx
-text av1_add_film_grain
+text aom_add_film_grain

examples/noise_model.c

diff --git a/examples/noise_model.c b/examples/noise_model.c
index d07443f..5ff4c04 100644
--- a/examples/noise_model.c
+++ b/examples/noise_model.c
@@ -183,8 +183,8 @@
   grain->bit_depth = raw->bit_depth;
   aom_img_alloc(&renoised, raw->fmt, raw->w, raw->h, 1);
 
-  if (av1_add_film_grain(grain, denoised, &renoised)) {
-    fprintf(stderr, "Internal failure in av1_add_film_grain().\n");
+  if (aom_add_film_grain(grain, denoised, &renoised)) {
+    fprintf(stderr, "Internal failure in aom_add_film_grain().\n");
     aom_img_free(&renoised);
     return;
   }