blob: 496d501708fca831cef5c7dc94700eea01349e5c [file] [log] [blame]
* Copyright 2022 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
// Initializes the bitstream and parses its magic header to figure out what type
// of file it is.
bool init_bitstream(char* filename);
// Cleans up the bitstream helper.
void cleanup_bitstream(void);
// mmap'd buffer of the currently opened encoded file.
extern uint8_t* file_buf;
// Size of the currently opened encoded file.
extern uint64_t filesize;
// Current position of the decode in the encoded file.
extern uint64_t curr_pos;
// Returns the fourcc code for the bitstream.
extern uint32_t (*get_fourcc)(void);
// Returns whether or not we have reached the end of the stream.
extern bool (*is_end_of_stream)(void);
// Fills an OUTPUT queue buffer (which is V4L2 terminology for encoded data
// buffer) with frame data up to |max_len| bytes.
extern size_t (*fill_compressed_buffer)(uint8_t* dest, size_t max_len);