+++ /dev/null
-/*
-* 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;
-};
projects / openwrt.git / blobdiff