diff options
Diffstat (limited to 'package/fonera-mp3/src/lib/mp3_file.c')
| -rw-r--r-- | package/fonera-mp3/src/lib/mp3_file.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/package/fonera-mp3/src/lib/mp3_file.c b/package/fonera-mp3/src/lib/mp3_file.c deleted file mode 100644 index 2dbed0ffc..000000000 --- a/package/fonera-mp3/src/lib/mp3_file.c +++ /dev/null @@ -1,191 +0,0 @@ -/* -* FOXMP3 -* Copyright (c) 2006 acmesystems.it - john@acmesystems.it -* -* 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., 59 Temple Place, Suite 330, Boston, MA02111-1307USA -* -* Feedback, Bugs... info@acmesystems.it -* -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <string.h> - -#include "mp3.h" - - -#define MP3_PRE_BUFFER_COUNT ((128 * 1024) / MP3_CHUNK_SIZE) - - -typedef struct _MP3_FILE { - unsigned char filename[2048]; - MP3_DATA mp3_data; - FILE *fd; - unsigned char file_end_found; - MP3_FILE_ID3 *id3; -} MP3_FILE; - -static MP3_FILE mp3_file; - -void mp3_load_id3(FILE *fp){ - unsigned char *buf = malloc(1024); - - mp3_file.id3->album[0] = '\0'; - mp3_file.id3->artist[0] = '\0'; - mp3_file.id3->track[0] = '\0'; - - - fgets(buf, 1024, fp); - if( (buf[0] == 'I') && - (buf[1] == 'D') && - (buf[2] == '3')){ - unsigned int id3_size; - unsigned int i; - unsigned int id3_version = buf[3]; - id3_version <<= 8; - id3_version += buf[4]; - - id3_size = 0; - - for(i = 0; i<4; i++){ - id3_size += buf[5 + i]; - id3_size <<= 7; - }; - if(id3_version>>8 == 3){ - unsigned int id3_pos = 10; - unsigned int id3_tag_size; - unsigned char tag_name[5]; - unsigned char tag_data[257]; - tag_name[4] = '\0'; - tag_data[256] = '\0'; - unsigned int count = 0; - while(count < 10){ - strncpy(tag_name, &buf[id3_pos], 4); - id3_tag_size = buf[id3_pos + 4]; - id3_tag_size <<= 8; - id3_tag_size = buf[id3_pos + 5]; - id3_tag_size <<= 8; - id3_tag_size = buf[id3_pos + 6]; - id3_tag_size <<= 8; - id3_tag_size = buf[id3_pos + 7]; - if(id3_tag_size == 0){ - break; - }; - if(id3_tag_size > 256){ - memcpy(&tag_data[0], &buf[id3_pos + 11] , 256); - } else { - memcpy(&tag_data[0], &buf[id3_pos + 11] , - id3_tag_size -1); - tag_data[id3_tag_size-1] = '\0'; - }; - id3_pos += 10 + id3_tag_size; - if(strcmp(tag_name, "TPE1") == 0){ - strncpy(mp3_file.id3->artist, tag_data, 255); - }; - if(strcmp(tag_name, "TALB") == 0){ - strncpy(mp3_file.id3->album, tag_data, 255); - }; - if(strcmp(tag_name, "TIT2") == 0){ - strncpy(mp3_file.id3->track, tag_data, 255); - }; - if(id3_pos >= id3_size){ - break; - }; - count ++; - }; - }; - printf("ID3 tag found Version 2.%d.%d / size %d\n%s -- %s -- %s\n", - id3_version>>8, - id3_version&0xff, - id3_size, - mp3_file.id3->artist, - mp3_file.id3->album, - mp3_file.id3->track); - } else { - printf("No ID3 Tag was found\n"); - }; - free(buf); -}; - - -int mp3_file_setup(unsigned char *filename, MP3_FILE_ID3 *id3){ - unsigned int i; - mp3_file.id3 = id3; - mp3_file.file_end_found = 0; - strcpy(mp3_file.filename, filename); - mp3_file.fd = fopen(mp3_file.filename, "rb"); - if(!mp3_file.fd){ - mp3_file.fd = 0; - printf("error opening file %s\n", mp3_file.filename); - return MP3_ERROR; - }; - printf("File %s opened Ok\n", mp3_file.filename); - printf("Reading id3 tag\n"); - mp3_load_id3(mp3_file.fd); - fseek(mp3_file.fd, 0, SEEK_SET); - - mp3_reset(); - - printf("Buffering MP3 Data\n"); - mp3_file.mp3_data.state = MP3_BUFFERING; - for(i = 0; i < MP3_PRE_BUFFER_COUNT - 1; i++){ - fread(mp3_file.mp3_data.mp3, MP3_CHUNK_SIZE, 1, mp3_file.fd); - mp3_file.mp3_data.state = MP3_PLAYING; - mp3_send_data_to_buffer(mp3_file.mp3_data); - }; - - printf("Starting to play file : %s\n", mp3_file.filename); - return MP3_OK; -}; - -int mp3_file_handle(void){ - unsigned char transmit_success = 1; - if (!feof(mp3_file.fd)) { - fread(mp3_file.mp3_data.mp3, MP3_CHUNK_SIZE, 1, mp3_file.fd); - transmit_success = 0; - while(!transmit_success){ - if(!mp3_send_data_to_buffer(mp3_file.mp3_data)){ - usleep(1); - transmit_success = 0; - } else { - transmit_success = 1; - }; - }; - return MP3_OK; - } else { - if(!mp3_file.file_end_found){ - mp3_file.mp3_data.state = MP3_BUFFER_FINISHED; - mp3_send_data_to_buffer(mp3_file.mp3_data); - printf("File end reached. Wait till kernel buffer has cleared.\n"); - mp3_file.file_end_found = 1; - }; - if(!mp3_buffer_finished()){ - return MP3_OK; - } else { - return MP3_END; - }; - }; -}; - -int mp3_file_cleanup(void){ - if(mp3_file.fd){ - fclose(mp3_file.fd); - }; - return MP3_OK; -}; |