1 /********************************************************** 2 * libmp3splt -- library based on mp3splt, 3 * for mp3/ogg splitting without decoding 4 * 5 * Copyright (c) 2002-2005 M. Trotta - <mtrotta@users.sourceforge.net> 6 * Copyright (c) 2005-2014 Alexandru Munteanu - m@ioalex.net 7 * 8 *********************************************************/ 9 10 /********************************************************** 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License 13 * as published by the Free Software Foundation; either version 2 14 * of the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 24 * USA. 25 *********************************************************/ 26 27 #include "splt.h" 28 29 #include "mp3.h" 30 31 void splt_mp3_init_stream_frame(splt_mp3_state *mp3state); 32 void splt_mp3_finish_stream_frame(splt_mp3_state *mp3state); 33 void splt_mp3_checksync(splt_mp3_state *mp3state); 34 int splt_mp3_c_bitrate(unsigned long head); 35 struct splt_header splt_mp3_makehead(unsigned long headword, 36 struct splt_mp3 mp3f, struct splt_header head, off_t ptr); 37 off_t splt_mp3_findhead(splt_mp3_state *mp3state, off_t start); 38 off_t splt_mp3_findvalidhead(splt_mp3_state *mp3state, off_t start); 39 int splt_mp3_get_frame(splt_mp3_state *mp3state); 40 int splt_mp3_get_valid_frame(splt_state *state, int *error); 41 42 void splt_mp3_read_process_side_info_main_data_begin(splt_mp3_state *mp3state, off_t offset); 43 void splt_mp3_extract_reservoir_and_build_reservoir_frame(splt_mp3_state *mp3state, 44 splt_state *state, splt_code *error); 45 void splt_mp3_build_xing_lame_frame(splt_mp3_state *mp3state, off_t begin, off_t end, 46 unsigned long fbegin, splt_code *error, splt_state *state); 47 48 int splt_mp3_get_mpeg_as_int(int mpgid); 49 int splt_mp3_get_samples_per_frame(struct splt_mp3 *mp3file); 50 void splt_mp3_parse_xing_lame(splt_mp3_state *mp3state); 51 52 unsigned long splt_mp3_find_begin_frame(double fbegin_sec, splt_mp3_state *mp3state, 53 splt_state *state, splt_code *error); 54 unsigned long splt_mp3_find_end_frame(double fend_sec, splt_mp3_state *mp3state, 55 splt_state *state); 56 57 void splt_mp3_get_overlapped_frames(long last_frame, splt_mp3_state *mp3state, 58 splt_state *state, splt_code *error); 59 int splt_mp3_handle_bit_reservoir(splt_state *state); 60 61