1 files changed, 51 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/bitstream.h b/third_party/aom/av1/encoder/bitstream.h
new file mode 100644
index 0000000000..465ccaed57
--- /dev/null
+++ b/third_party/aom/av1/encoder/bitstream.h
@@ -0,0 +1,51 @@
+/*
+ * 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_AV1_ENCODER_BITSTREAM_H_
+#define AOM_AV1_ENCODER_BITSTREAM_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "av1/encoder/encoder.h"
+
+struct aom_write_bit_buffer;
+
+// Writes only the OBU Sequence Header payload, and returns the size of the
+// payload written to 'dst'. This function does not write the OBU header, the
+// optional extension, or the OBU size to 'dst'.
+uint32_t write_sequence_header_obu(AV1_COMP *cpi, uint8_t *const dst);
+
+// Writes the OBU header byte, and the OBU header extension byte when
+// 'obu_extension' is non-zero. Returns number of bytes written to 'dst'.
+uint32_t write_obu_header(OBU_TYPE obu_type, int obu_extension,
+                          uint8_t *const dst);
+
+int write_uleb_obu_size(uint32_t obu_header_size, uint32_t obu_payload_size,
+                        uint8_t *dest);
+
+int av1_pack_bitstream(AV1_COMP *const cpi, uint8_t *dest, size_t *size);
+
+static INLINE int av1_preserve_existing_gf(AV1_COMP *cpi) {
+  // Do not swap gf and arf indices for internal overlay frames
+  return cpi->rc.is_src_frame_alt_ref && !cpi->rc.is_src_frame_ext_arf;
+}
+
+void av1_write_tx_type(const AV1_COMMON *const cm, const MACROBLOCKD *xd,
+                       int blk_row, int blk_col, int plane, TX_SIZE tx_size,
+                       aom_writer *w);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AOM_AV1_ENCODER_BITSTREAM_H_