Port folder renaming changes from AOM
Manually cherry-picked commits:
ceef058 libvpx->libaom part2
3d26d91 libvpx -> libaom
cfea7dd vp10/ -> av1/
3a8eff7 Fix a build issue for a test
bf4202e Rename vpx to aom
Change-Id: I1b0eb5a40796e3aaf41c58984b4229a439a597dc
diff --git a/av1/common/frame_buffers.c b/av1/common/frame_buffers.c
new file mode 100644
index 0000000..5c736a9
--- /dev/null
+++ b/av1/common/frame_buffers.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+
+#include "av1/common/frame_buffers.h"
+#include "aom_mem/vpx_mem.h"
+
+int vp10_alloc_internal_frame_buffers(InternalFrameBufferList *list) {
+ assert(list != NULL);
+ vp10_free_internal_frame_buffers(list);
+
+ list->num_internal_frame_buffers =
+ VPX_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS;
+ list->int_fb = (InternalFrameBuffer *)vpx_calloc(
+ list->num_internal_frame_buffers, sizeof(*list->int_fb));
+ return (list->int_fb == NULL);
+}
+
+void vp10_free_internal_frame_buffers(InternalFrameBufferList *list) {
+ int i;
+
+ assert(list != NULL);
+
+ for (i = 0; i < list->num_internal_frame_buffers; ++i) {
+ vpx_free(list->int_fb[i].data);
+ list->int_fb[i].data = NULL;
+ }
+ vpx_free(list->int_fb);
+ list->int_fb = NULL;
+}
+
+int vp10_get_frame_buffer(void *cb_priv, size_t min_size,
+ vpx_codec_frame_buffer_t *fb) {
+ int i;
+ InternalFrameBufferList *const int_fb_list =
+ (InternalFrameBufferList *)cb_priv;
+ if (int_fb_list == NULL) return -1;
+
+ // Find a free frame buffer.
+ for (i = 0; i < int_fb_list->num_internal_frame_buffers; ++i) {
+ if (!int_fb_list->int_fb[i].in_use) break;
+ }
+
+ if (i == int_fb_list->num_internal_frame_buffers) return -1;
+
+ if (int_fb_list->int_fb[i].size < min_size) {
+ int_fb_list->int_fb[i].data =
+ (uint8_t *)vpx_realloc(int_fb_list->int_fb[i].data, min_size);
+ if (!int_fb_list->int_fb[i].data) return -1;
+
+ // This memset is needed for fixing valgrind error from C loop filter
+ // due to access uninitialized memory in frame border. It could be
+ // removed if border is totally removed.
+ memset(int_fb_list->int_fb[i].data, 0, min_size);
+ int_fb_list->int_fb[i].size = min_size;
+ }
+
+ fb->data = int_fb_list->int_fb[i].data;
+ fb->size = int_fb_list->int_fb[i].size;
+ int_fb_list->int_fb[i].in_use = 1;
+
+ // Set the frame buffer's private data to point at the internal frame buffer.
+ fb->priv = &int_fb_list->int_fb[i];
+ return 0;
+}
+
+int vp10_release_frame_buffer(void *cb_priv, vpx_codec_frame_buffer_t *fb) {
+ InternalFrameBuffer *const int_fb = (InternalFrameBuffer *)fb->priv;
+ (void)cb_priv;
+ if (int_fb) int_fb->in_use = 0;
+ return 0;
+}
