82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/*
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* Copyright (C) 2018 Amlogic Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _HW_AVSYNC_H_
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#define _HW_AVSYNC_H_
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#include <stdint.h>
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#include <stdbool.h>
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#define HW_SYNC_VERSION_SIZE 4
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#define HW_AVSYNC_HEADER_SIZE_V1 16
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#define HW_AVSYNC_HEADER_SIZE_V2 20
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/* NTS will send frame size 24576 byte(128ms) */
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#define HW_AVSYNC_FRAME_SIZE (8192 * 3)
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struct hw_avsync_header {
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uint8_t header[HW_AVSYNC_HEADER_SIZE_V2];
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uint8_t version_num;
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uint32_t frame_size;
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uint64_t pts;
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size_t bytes_read;
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size_t bytes_written;
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size_t header_size;
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bool is_complete;
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int (*extract)(struct hw_avsync_header *);
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int (*construct)(struct hw_avsync_header *);
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};
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typedef int (*consume_meta_data_t)(void *cookie,
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uint32_t frame_size, int64_t pts, uint64_t offset);
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typedef int (*consume_output_data_t)(void *cookie,
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const void *buffer, size_t bytes);
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struct hw_avsync_header_extractor {
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struct hw_avsync_header avsync_header;
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int8_t data[HW_AVSYNC_FRAME_SIZE];
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size_t data_size_bytes;
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ssize_t (*write)(struct hw_avsync_header_extractor *header_extractor,
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const void *buffer, size_t bytes);
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consume_meta_data_t consume_meta_data;
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consume_output_data_t consume_output_data;
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//int (*consume_meta_data)(void *cookie, uint32_t frame_size, int64_t pts, uint32_t offset);
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//int (*consume_output_data)(void *cookie, const void *buffer, size_t bytes);
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void *cbk_cookie;
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size_t sync_frame_written;
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bool is_reading_avsync_header;
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uint64_t payload_offset;
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};
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void hwsync_header_set_frame_size(struct hw_avsync_header *header, uint32_t fream_size);
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void hwsync_header_set_pts(struct hw_avsync_header *header, uint64_t pts);
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ssize_t header_extractor_write(struct hw_avsync_header_extractor *header_extractor,
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const void *buffer, size_t bytes);
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void hwsync_header_construct(struct hw_avsync_header *header);
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struct hw_avsync_header_extractor *
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new_hw_avsync_header_extractor(
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consume_meta_data_t consume_meta_data,
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consume_output_data_t consume_output_data,
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//int (*consume_meta_data)(void *cookie, uint32_t frame_size, int64_t pts, uint32_t offset),
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//int (*consume_output_data)(void *cookie, const void *buffer, size_t bytes),
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void *cookie);
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void delete_hw_avsync_header_extractor(struct hw_avsync_header_extractor *header_extractor);
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void flush_hw_avsync_header_extractor(struct hw_avsync_header_extractor *header_extractor);
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#endif /* _HW_AVSYNC_H_ */
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