| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #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 av1_write_sequence_header_obu(const SequenceHeader *seq_params, |
| 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 av1_write_obu_header(AV1LevelParams *const level_params, |
| OBU_TYPE obu_type, int obu_extension, |
| uint8_t *const dst); |
| |
| int av1_write_uleb_obu_size(size_t obu_header_size, size_t obu_payload_size, |
| uint8_t *dest); |
| |
| /*!\brief Pack the bitstream for one frame |
| * |
| * \ingroup high_level_algo |
| * \callgraph |
| */ |
| int av1_pack_bitstream(AV1_COMP *const cpi, uint8_t *dst, size_t *size, |
| int *const largest_tile_id); |
| |
| #if CONFIG_IST |
| void av1_write_sec_tx_type(const AV1_COMMON *const cm, const MACROBLOCKD *xd, |
| TX_TYPE tx_type, TX_SIZE tx_size, uint16_t eob, |
| aom_writer *w); |
| #endif |
| |
| void av1_write_tx_type(const AV1_COMMON *const cm, const MACROBLOCKD *xd, |
| TX_TYPE tx_type, TX_SIZE tx_size, aom_writer *w); |
| |
| #if CONFIG_CROSS_CHROMA_TX |
| void av1_write_cctx_type(const AV1_COMMON *const cm, const MACROBLOCKD *xd, |
| int blk_row, int blk_col, CctxType cctx_type, |
| TX_SIZE tx_size, aom_writer *w); |
| #endif // CONFIG_CROSS_CHROMA_TX |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_ENCODER_BITSTREAM_H_ |