Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

third_party/aom/av1/decoder/decodeframe.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AV1_DECODER_DECODEFRAME_H_
+#define AV1_DECODER_DECODEFRAME_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AV1Decoder;
+struct aom_read_bit_buffer;
+
+#if CONFIG_REFERENCE_BUFFER
+/* Placeholder for now */
+void read_sequence_header(SequenceHeader *seq_params);
+#endif
+
+int av1_read_sync_code(struct aom_read_bit_buffer *const rb);
+void av1_read_frame_size(struct aom_read_bit_buffer *rb, int *width,
+                         int *height);
+BITSTREAM_PROFILE av1_read_profile(struct aom_read_bit_buffer *rb);
+
+void av1_decode_frame(struct AV1Decoder *pbi, const uint8_t *data,
+                      const uint8_t *data_end, const uint8_t **p_data_end);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AV1_DECODER_DECODEFRAME_H_