Merge pull request #850 from trav90/add-av1-support

Add initial support for AV1 video.

1 files changed, 50 insertions, 0 deletions

diff --git a/third_party/aom/aom_dsp/bitreader_buffer.h b/third_party/aom/aom_dsp/bitreader_buffer.h
new file mode 100644
index 000000000..725ca1ea2
--- /dev/null
+++ b/third_party/aom/aom_dsp/bitreader_buffer.h
@@ -0,0 +1,50 @@
+/*
+ * 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 AOM_AOM_DSP_BITREADER_BUFFER_H_
+#define AOM_AOM_DSP_BITREADER_BUFFER_H_
+
+#include <limits.h>
+
+#include "aom/aom_integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*aom_rb_error_handler)(void *data);
+
+struct aom_read_bit_buffer {
+  const uint8_t *bit_buffer;
+  const uint8_t *bit_buffer_end;
+  uint32_t bit_offset;
+
+  void *error_handler_data;
+  aom_rb_error_handler error_handler;
+};
+
+size_t aom_rb_bytes_read(const struct aom_read_bit_buffer *rb);
+
+int aom_rb_read_bit(struct aom_read_bit_buffer *rb);
+
+int aom_rb_read_literal(struct aom_read_bit_buffer *rb, int bits);
+
+uint32_t aom_rb_read_unsigned_literal(struct aom_read_bit_buffer *rb, int bits);
+
+int aom_rb_read_inv_signed_literal(struct aom_read_bit_buffer *rb, int bits);
+
+uint32_t aom_rb_read_uvlc(struct aom_read_bit_buffer *rb);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AOM_AOM_DSP_BITREADER_BUFFER_H_