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/*
* 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_
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