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Diffstat (limited to 'src/modules/mediaplayer/mp_mp3.h')
| -rw-r--r-- | src/modules/mediaplayer/mp_mp3.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/modules/mediaplayer/mp_mp3.h b/src/modules/mediaplayer/mp_mp3.h new file mode 100644 index 00000000..d42c5ef7 --- /dev/null +++ b/src/modules/mediaplayer/mp_mp3.h @@ -0,0 +1,137 @@ +//============================================================================= +// +// File : mp_mp3.h +// Creation date : Fri Mar 25 20:01:25 2005 GMT by Szymon Stefanek +// +// This file is part of the KVirc irc client distribution +// Copyright (C) 2005 Szymon Stefanek (pragma at kvirc dot net) +// +// This file is based on the mp3tech.h. It is released under the original +// license and the original copyright notice follows. +// +// mp3tech.h +// +// Copyright (C) 2000 Cedric Tefft <cedric@earthling.net> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +// +// This file is based in part on: +// +// * MP3Info 0.5 by Ricardo Cerqueira <rmc@rccn.net> +// * MP3Stat 0.9 by Ed Sweetman <safemode@voicenet.com> and +// Johannes Overmann <overmann@iname.com> +// +// There has been also a remarkable work by Cristopher Tieckle (Crissi) +// +//============================================================================= + +// MIN_CONSEC_GOOD_FRAMES defines how many consecutive valid MP3 frames +// we need to see before we decide we are looking at a real MP3 file +#define MIN_CONSEC_GOOD_FRAMES 4 +#define FRAME_HEADER_SIZE 4 +#define MIN_FRAME_SIZE 21 +#define NUM_SAMPLES 4 +#define TEXT_FIELD_LEN 30 +#define INT_FIELD_LEN 4 + + +#include "kvi_settings.h" + +#include <stdio.h> +#include <stdlib.h> +#include <qstring.h> + +#ifdef COMPILE_ON_WINDOWS + #include <windows.h> +#else + #include <unistd.h> + #include <sys/stat.h> + #include <ctype.h> + #include <string.h> +#endif + + +enum VBR_REPORT { VBR_VARIABLE, VBR_AVERAGE, VBR_MEDIAN }; + +typedef struct { + unsigned int sync; + unsigned int version; + unsigned int layer; + unsigned int crc; + unsigned int bitrate; + unsigned int freq; + unsigned int padding; + unsigned int extension; + unsigned int mode; + unsigned int mode_extension; + unsigned int copyright; + unsigned int original; + unsigned int emphasis; +} mp3header; + +typedef struct { + char title[31]; + char artist[31]; + char album[31]; + char year[5]; + char comment[31]; + unsigned char track[1]; + unsigned char genre[1]; +} id3tag; + +typedef struct { + QString filename; + FILE *file; + unsigned int datasize; + int header_isvalid; + mp3header header; + int id3_isvalid; + id3tag id3; + int vbr; + float vbr_average; + int seconds; + int frames; + int badframes; +} mp3info; + +// mode field: +// 00 - Stereo +// 01 - Joint stereo (Stereo) +// 10 - Dual channel (2 mono channels) +// 11 - Single channel (Mono) + +bool scan_mp3_file(QString& szFileName,mp3info * i); + +void resetmp3infoStruct(mp3info *i); + +int header_channels(mp3header *h); +int header_frequency(mp3header *h); +const char *header_emphasis(mp3header *h); +const char *header_mode(mp3header *h); +int header_layer(mp3header *h); +int header_bitrate(mp3header *h); +double header_version(mp3header *h); +int header_crc(mp3header *h); +int get_header(FILE *file,mp3header *header); +int frame_length(mp3header *header); +int sameConstant(mp3header *h1, mp3header *h2); +int get_mp3_info(mp3info *mp3); +int get_id3(mp3info *mp3); +char *pad(char *string, int length); +char *unpad(char *string); +int get_first_header(mp3info *mp3,long startpos); +//void tagedit_curs(char *filename, int filenum, int fileoutof, id3tag *tag); +const char * get_typegenre(int idx); + |