1 files changed, 118 insertions, 52 deletions

diff --git a/media/libaom/src/aom_scale/generic/yv12config.c b/media/libaom/src/aom_scale/generic/yv12config.c
index 84705e2d8..1f80d7ba7 100644
--- a/media/libaom/src/aom_scale/generic/yv12config.c
+++ b/media/libaom/src/aom_scale/generic/yv12config.c
@@ -11,6 +11,7 @@
 
 #include <assert.h>
 
+#include "aom/internal/aom_image_internal.h"
 #include "aom_mem/aom_mem.h"
 #include "aom_ports/mem.h"
 #include "aom_scale/yv12config.h"
@@ -23,53 +24,35 @@
 /****************************************************************************
  *
  ****************************************************************************/
-#define yv12_align_addr(addr, align) \
-  (void *)(((size_t)(addr) + ((align)-1)) & (size_t) - (align))
 
 // TODO(jkoleszar): Maybe replace this with struct aom_image
-
 int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
   if (ybf) {
     if (ybf->buffer_alloc_sz > 0) {
       aom_free(ybf->buffer_alloc);
     }
     if (ybf->y_buffer_8bit) aom_free(ybf->y_buffer_8bit);
-
+    aom_remove_metadata_from_frame_buffer(ybf);
     /* buffer_alloc isn't accessed by most functions.  Rather y_buffer,
       u_buffer and v_buffer point to buffer_alloc and are used.  Clear out
       all of this so that a freed pointer isn't inadvertently used */
     memset(ybf, 0, sizeof(YV12_BUFFER_CONFIG));
-  } else {
-    return -1;
+    return 0;
   }
 
-  return 0;
+  return AOM_CODEC_MEM_ERROR;
 }
 
-int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
-                             int ss_x, int ss_y, int use_highbitdepth,
-                             int border, int byte_alignment,
-                             aom_codec_frame_buffer_t *fb,
-                             aom_get_frame_buffer_cb_fn_t cb, void *cb_priv) {
-#if CONFIG_SIZE_LIMIT
-  if (width > DECODE_WIDTH_LIMIT || height > DECODE_HEIGHT_LIMIT) return -1;
-#endif
-
+static int realloc_frame_buffer_aligned(
+    YV12_BUFFER_CONFIG *ybf, int width, int height, int ss_x, int ss_y,
+    int use_highbitdepth, int border, int byte_alignment,
+    aom_codec_frame_buffer_t *fb, aom_get_frame_buffer_cb_fn_t cb,
+    void *cb_priv, const int y_stride, const uint64_t yplane_size,
+    const uint64_t uvplane_size, const int aligned_width,
+    const int aligned_height, const int uv_width, const int uv_height,
+    const int uv_stride, const int uv_border_w, const int uv_border_h) {
   if (ybf) {
     const int aom_byte_align = (byte_alignment == 0) ? 1 : byte_alignment;
-    const int aligned_width = (width + 7) & ~7;
-    const int aligned_height = (height + 7) & ~7;
-    const int y_stride = ((aligned_width + 2 * border) + 31) & ~31;
-    const uint64_t yplane_size =
-        (aligned_height + 2 * border) * (uint64_t)y_stride + byte_alignment;
-    const int uv_width = aligned_width >> ss_x;
-    const int uv_height = aligned_height >> ss_y;
-    const int uv_stride = y_stride >> ss_x;
-    const int uv_border_w = border >> ss_x;
-    const int uv_border_h = border >> ss_y;
-    const uint64_t uvplane_size =
-        (uv_height + 2 * uv_border_h) * (uint64_t)uv_stride + byte_alignment;
-
     const uint64_t frame_size =
         (1 + use_highbitdepth) * (yplane_size + 2 * uvplane_size);
 
@@ -83,7 +66,8 @@ int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
     // The decoder may allocate REF_FRAMES frame buffers in the frame buffer
     // pool. Bound the total amount of allocated memory as if these REF_FRAMES
     // frame buffers were allocated in a single allocation.
-    if (alloc_size > AOM_MAX_ALLOCABLE_MEMORY / REF_FRAMES) return -1;
+    if (alloc_size > AOM_MAX_ALLOCABLE_MEMORY / REF_FRAMES)
+      return AOM_CODEC_MEM_ERROR;
 #endif
 
     if (cb != NULL) {
@@ -92,14 +76,17 @@ int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
 
       assert(fb != NULL);
 
-      if (external_frame_size != (size_t)external_frame_size) return -1;
+      if (external_frame_size != (size_t)external_frame_size)
+        return AOM_CODEC_MEM_ERROR;
 
       // Allocation to hold larger frame, or first allocation.
-      if (cb(cb_priv, (size_t)external_frame_size, fb) < 0) return -1;
+      if (cb(cb_priv, (size_t)external_frame_size, fb) < 0)
+        return AOM_CODEC_MEM_ERROR;
 
-      if (fb->data == NULL || fb->size < external_frame_size) return -1;
+      if (fb->data == NULL || fb->size < external_frame_size)
+        return AOM_CODEC_MEM_ERROR;
 
-      ybf->buffer_alloc = (uint8_t *)yv12_align_addr(fb->data, 32);
+      ybf->buffer_alloc = (uint8_t *)aom_align_addr(fb->data, 32);
 
 #if defined(__has_feature)
 #if __has_feature(memory_sanitizer)
@@ -109,15 +96,16 @@ int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
       memset(ybf->buffer_alloc, 0, (size_t)frame_size);
 #endif
 #endif
-    } else if (frame_size > (size_t)ybf->buffer_alloc_sz) {
+    } else if (frame_size > ybf->buffer_alloc_sz) {
       // Allocation to hold larger frame, or first allocation.
       aom_free(ybf->buffer_alloc);
       ybf->buffer_alloc = NULL;
+      ybf->buffer_alloc_sz = 0;
 
-      if (frame_size != (size_t)frame_size) return -1;
+      if (frame_size != (size_t)frame_size) return AOM_CODEC_MEM_ERROR;
 
       ybf->buffer_alloc = (uint8_t *)aom_memalign(32, (size_t)frame_size);
-      if (!ybf->buffer_alloc) return -1;
+      if (!ybf->buffer_alloc) return AOM_CODEC_MEM_ERROR;
 
       ybf->buffer_alloc_sz = (size_t)frame_size;
 
@@ -127,13 +115,6 @@ int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
       memset(ybf->buffer_alloc, 0, ybf->buffer_alloc_sz);
     }
 
-    /* Only support allocating buffers that have a border that's a multiple
-     * of 32. The border restriction is required to get 16-byte alignment of
-     * the start of the chroma rows without introducing an arbitrary gap
-     * between planes, which would break the semantics of things like
-     * aom_img_set_rect(). */
-    if (border & 0x1f) return -3;
-
     ybf->y_crop_width = width;
     ybf->y_crop_height = height;
     ybf->y_width = aligned_width;
@@ -160,22 +141,22 @@ int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
       ybf->flags = 0;
     }
 
-    ybf->y_buffer = (uint8_t *)yv12_align_addr(
+    ybf->y_buffer = (uint8_t *)aom_align_addr(
         buf + (border * y_stride) + border, aom_byte_align);
-    ybf->u_buffer = (uint8_t *)yv12_align_addr(
+    ybf->u_buffer = (uint8_t *)aom_align_addr(
         buf + yplane_size + (uv_border_h * uv_stride) + uv_border_w,
         aom_byte_align);
     ybf->v_buffer =
-        (uint8_t *)yv12_align_addr(buf + yplane_size + uvplane_size +
-                                       (uv_border_h * uv_stride) + uv_border_w,
-                                   aom_byte_align);
+        (uint8_t *)aom_align_addr(buf + yplane_size + uvplane_size +
+                                      (uv_border_h * uv_stride) + uv_border_w,
+                                  aom_byte_align);
 
     ybf->use_external_reference_buffers = 0;
 
     if (use_highbitdepth) {
       if (ybf->y_buffer_8bit) aom_free(ybf->y_buffer_8bit);
       ybf->y_buffer_8bit = (uint8_t *)aom_memalign(32, (size_t)yplane_size);
-      if (!ybf->y_buffer_8bit) return -1;
+      if (!ybf->y_buffer_8bit) return AOM_CODEC_MEM_ERROR;
     } else {
       if (ybf->y_buffer_8bit) {
         aom_free(ybf->y_buffer_8bit);
@@ -187,7 +168,65 @@ int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
     ybf->corrupted = 0; /* assume not corrupted by errors */
     return 0;
   }
-  return -2;
+  return AOM_CODEC_MEM_ERROR;
+}
+
+static int calc_stride_and_planesize(const int ss_x, const int ss_y,
+                                     const int aligned_width,
+                                     const int aligned_height, const int border,
+                                     const int byte_alignment, int *y_stride,
+                                     int *uv_stride, uint64_t *yplane_size,
+                                     uint64_t *uvplane_size,
+                                     const int uv_height) {
+  /* Only support allocating buffers that have a border that's a multiple
+   * of 32. The border restriction is required to get 16-byte alignment of
+   * the start of the chroma rows without introducing an arbitrary gap
+   * between planes, which would break the semantics of things like
+   * aom_img_set_rect(). */
+  if (border & 0x1f) return AOM_CODEC_MEM_ERROR;
+  *y_stride = ((aligned_width + 2 * border) + 31) & ~31;
+  *yplane_size =
+      (aligned_height + 2 * border) * (uint64_t)(*y_stride) + byte_alignment;
+
+  *uv_stride = *y_stride >> ss_x;
+  *uvplane_size = (uv_height + 2 * (border >> ss_y)) * (uint64_t)(*uv_stride) +
+                  byte_alignment;
+  return 0;
+}
+
+int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+                             int ss_x, int ss_y, int use_highbitdepth,
+                             int border, int byte_alignment,
+                             aom_codec_frame_buffer_t *fb,
+                             aom_get_frame_buffer_cb_fn_t cb, void *cb_priv) {
+#if CONFIG_SIZE_LIMIT
+  if (width > DECODE_WIDTH_LIMIT || height > DECODE_HEIGHT_LIMIT)
+    return AOM_CODEC_MEM_ERROR;
+#endif
+
+  if (ybf) {
+    int y_stride = 0;
+    int uv_stride = 0;
+    uint64_t yplane_size = 0;
+    uint64_t uvplane_size = 0;
+    const int aligned_width = (width + 7) & ~7;
+    const int aligned_height = (height + 7) & ~7;
+    const int uv_width = aligned_width >> ss_x;
+    const int uv_height = aligned_height >> ss_y;
+    const int uv_border_w = border >> ss_x;
+    const int uv_border_h = border >> ss_y;
+
+    int error = calc_stride_and_planesize(
+        ss_x, ss_y, aligned_width, aligned_height, border, byte_alignment,
+        &y_stride, &uv_stride, &yplane_size, &uvplane_size, uv_height);
+    if (error) return error;
+    return realloc_frame_buffer_aligned(
+        ybf, width, height, ss_x, ss_y, use_highbitdepth, border,
+        byte_alignment, fb, cb, cb_priv, y_stride, yplane_size, uvplane_size,
+        aligned_width, aligned_height, uv_width, uv_height, uv_stride,
+        uv_border_w, uv_border_h);
+  }
+  return AOM_CODEC_MEM_ERROR;
 }
 
 int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
@@ -199,5 +238,32 @@ int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
                                     use_highbitdepth, border, byte_alignment,
                                     NULL, NULL, NULL);
   }
-  return -2;
+  return AOM_CODEC_MEM_ERROR;
+}
+
+void aom_remove_metadata_from_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
+  if (ybf && ybf->metadata) {
+    aom_img_metadata_array_free(ybf->metadata);
+    ybf->metadata = NULL;
+  }
+}
+
+int aom_copy_metadata_to_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+                                      const aom_metadata_array_t *arr) {
+  if (!ybf || !arr || !arr->metadata_array) return -1;
+  aom_remove_metadata_from_frame_buffer(ybf);
+  ybf->metadata = aom_img_metadata_array_alloc(arr->sz);
+  if (!ybf->metadata) return -1;
+  for (size_t i = 0; i < ybf->metadata->sz; i++) {
+    ybf->metadata->metadata_array[i] = aom_img_metadata_alloc(
+        arr->metadata_array[i]->type, arr->metadata_array[i]->payload,
+        arr->metadata_array[i]->sz, arr->metadata_array[i]->insert_flag);
+    if (ybf->metadata->metadata_array[i] == NULL) {
+      aom_img_metadata_array_free(ybf->metadata);
+      ybf->metadata = NULL;
+      return -1;
+    }
+  }
+  ybf->metadata->sz = arr->sz;
+  return 0;
 }