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-rw-r--r--third_party/dav1d/src/data.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/third_party/dav1d/src/data.c b/third_party/dav1d/src/data.c
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+++ b/third_party/dav1d/src/data.c
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+/*
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "dav1d/data.h"
+
+#include "common/attributes.h"
+#include "common/validate.h"
+
+#include "src/data.h"
+#include "src/ref.h"
+
+uint8_t *dav1d_data_create_internal(Dav1dData *const buf, const size_t sz) {
+ validate_input_or_ret(buf != NULL, NULL);
+
+ if (sz > SIZE_MAX / 2) return NULL;
+ buf->ref = dav1d_ref_create(sz);
+ if (!buf->ref) return NULL;
+ buf->data = buf->ref->const_data;
+ buf->sz = sz;
+ dav1d_data_props_set_defaults(&buf->m);
+ buf->m.size = sz;
+
+ return buf->ref->data;
+}
+
+int dav1d_data_wrap_internal(Dav1dData *const buf, const uint8_t *const ptr,
+ const size_t sz,
+ void (*const free_callback)(const uint8_t *data,
+ void *cookie),
+ void *const cookie)
+{
+ validate_input_or_ret(buf != NULL, DAV1D_ERR(EINVAL));
+ validate_input_or_ret(ptr != NULL, DAV1D_ERR(EINVAL));
+ validate_input_or_ret(free_callback != NULL, DAV1D_ERR(EINVAL));
+
+ buf->ref = dav1d_ref_wrap(ptr, free_callback, cookie);
+ if (!buf->ref) return DAV1D_ERR(ENOMEM);
+ buf->data = ptr;
+ buf->sz = sz;
+ dav1d_data_props_set_defaults(&buf->m);
+ buf->m.size = sz;
+
+ return 0;
+}
+
+int dav1d_data_wrap_user_data_internal(Dav1dData *const buf,
+ const uint8_t *const user_data,
+ void (*const free_callback)(const uint8_t *user_data,
+ void *cookie),
+ void *const cookie)
+{
+ validate_input_or_ret(buf != NULL, DAV1D_ERR(EINVAL));
+ validate_input_or_ret(free_callback != NULL, DAV1D_ERR(EINVAL));
+
+ buf->m.user_data.ref = dav1d_ref_wrap(user_data, free_callback, cookie);
+ if (!buf->m.user_data.ref) return DAV1D_ERR(ENOMEM);
+ buf->m.user_data.data = user_data;
+
+ return 0;
+}
+
+
+void dav1d_data_ref(Dav1dData *const dst, const Dav1dData *const src) {
+ validate_input(dst != NULL);
+ validate_input(dst->data == NULL);
+ validate_input(src != NULL);
+
+ if (src->ref) {
+ validate_input(src->data != NULL);
+ dav1d_ref_inc(src->ref);
+ }
+ if (src->m.user_data.ref) dav1d_ref_inc(src->m.user_data.ref);
+ *dst = *src;
+}
+
+void dav1d_data_props_copy(Dav1dDataProps *const dst,
+ const Dav1dDataProps *const src)
+{
+ assert(dst != NULL);
+ assert(src != NULL);
+
+ dav1d_ref_dec(&dst->user_data.ref);
+ *dst = *src;
+ if (dst->user_data.ref) dav1d_ref_inc(dst->user_data.ref);
+}
+
+void dav1d_data_props_set_defaults(Dav1dDataProps *const props) {
+ assert(props != NULL);
+
+ memset(props, 0, sizeof(*props));
+ props->timestamp = INT64_MIN;
+ props->offset = -1;
+}
+
+void dav1d_data_props_unref_internal(Dav1dDataProps *const props) {
+ validate_input(props != NULL);
+
+ struct Dav1dRef *user_data_ref = props->user_data.ref;
+ dav1d_data_props_set_defaults(props);
+ dav1d_ref_dec(&user_data_ref);
+}
+
+void dav1d_data_unref_internal(Dav1dData *const buf) {
+ validate_input(buf != NULL);
+
+ struct Dav1dRef *user_data_ref = buf->m.user_data.ref;
+ if (buf->ref) {
+ validate_input(buf->data != NULL);
+ dav1d_ref_dec(&buf->ref);
+ }
+ memset(buf, 0, sizeof(*buf));
+ dav1d_data_props_set_defaults(&buf->m);
+ dav1d_ref_dec(&user_data_ref);
+}