decodeframe.h - mozsearch

Enable keyboard shortcuts

/*

 * 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_DECODER_DECODEFRAME_H_

#define AOM_AV1_DECODER_DECODEFRAME_H_

#ifdef __cplusplus

extern "C" {

#endif

struct AV1Decoder;

struct aom_read_bit_buffer;

struct ThreadData;

// Reads the middle part of the sequence header OBU (from

// frame_width_bits_minus_1 to enable_restoration) into seq_params.

// Reports errors by calling rb->error_handler() or aom_internal_error().

void av1_read_sequence_header(AV1_COMMON *cm, struct aom_read_bit_buffer *rb,

                              SequenceHeader *seq_params);

BITSTREAM_PROFILE av1_read_profile(struct aom_read_bit_buffer *rb);

// Returns 0 on success. Sets pbi->common.error.error_code and returns -1 on

// failure.

int av1_check_trailing_bits(struct AV1Decoder *pbi,

                            struct aom_read_bit_buffer *rb);

// On success, returns the frame header size. On failure, calls

// aom_internal_error and does not return.

uint32_t av1_decode_frame_headers_and_setup(struct AV1Decoder *pbi,

                                            struct aom_read_bit_buffer *rb,

                                            int trailing_bits_present);

void av1_decode_tg_tiles_and_wrapup(struct AV1Decoder *pbi, const uint8_t *data,

                                    const uint8_t *data_end,

                                    const uint8_t **p_data_end, int start_tile,

                                    int end_tile, int initialize_flag);

// Implements the color_config() function in the spec. Reports errors by

// calling rb->error_handler() or aom_internal_error().

void av1_read_color_config(struct aom_read_bit_buffer *rb,

                           int allow_lowbitdepth, SequenceHeader *seq_params,

                           struct aom_internal_error_info *error_info);

// Implements the timing_info() function in the spec. Reports errors by calling

// rb->error_handler() or aom_internal_error().

void av1_read_timing_info_header(aom_timing_info_t *timing_info,

                                 struct aom_internal_error_info *error,

                                 struct aom_read_bit_buffer *rb);

// Implements the decoder_model_info() function in the spec. Reports errors by

// calling rb->error_handler().

void av1_read_decoder_model_info(aom_dec_model_info_t *decoder_model_info,

                                 struct aom_read_bit_buffer *rb);

// Implements the operating_parameters_info() function in the spec. Reports

// errors by calling rb->error_handler().

void av1_read_op_parameters_info(aom_dec_model_op_parameters_t *op_params,

                                 int buffer_delay_length,

                                 struct aom_read_bit_buffer *rb);

struct aom_read_bit_buffer *av1_init_read_bit_buffer(

    struct AV1Decoder *pbi, struct aom_read_bit_buffer *rb, const uint8_t *data,

    const uint8_t *data_end);

void av1_free_mc_tmp_buf(struct ThreadData *thread_data);

void av1_set_single_tile_decoding_mode(AV1_COMMON *const cm);

#ifdef __cplusplus

}  // extern "C"

#endif

#endif  // AOM_AV1_DECODER_DECODEFRAME_H_