ref: db2046678ef6046c6c0561ae6db0dfc999712f72
dir: /plugins/xmms/src/libaac.c/
/*
** AAC plugin for XMMS 1.2.7
** by ciberfred
** ------------------------------------------------
**
** need libfaad2 package from http://www.audiocoding.com
** and id3lib-3.8.x package from http://id3lib.sourceforge.org
**
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <glib.h>
#include <gtk/gtk.h>
#include "faad.h"
#include "xmms/plugin.h"
#include "xmms/util.h"
#include "xmms/configfile.h"
#include "xmms/titlestring.h"
#include "aac_utils.h"
#define AAC_DESCRIPTION "MPEG2/4 AAC player - 1.2.7"
#define AAC_VERSION "AAC player - 15 June 2003 (v0.4)"
#define AAC_ABOUT "Writen from scratch by ciberfred from France\n"
#define PATH2CONFIGFILE "/.xmms/Plugins/aacConfig.txt"
#define BUFFER_SIZE FAAD_MIN_STREAMSIZE*64
static void aac_init(void);
static void aac_play(char*);
static void aac_stop(void);
static void aac_pause(short);
static int aac_getTime(void);
static void aac_seek(int);
static void aac_cleanup(void);
static void aac_about(void);
static void aac_configuration(void);
static void *aac_decode(void*);
static void aac_getSongInfo(char*);
static int aac_isFile(char*);
extern void readID3tag(char*);
extern GtkWidget *createDialogInfo(void);
extern void clearWindowDatas(void);
static GtkWidget *infoBoxWindow = NULL;
extern char *title, *artist, *album, *track, *genre;
/*****************************************************************************/
/*
** struct need by xmms for Library Interface
*/
InputPlugin aac_ip =
{
0, // handle
0, // filename
AAC_DESCRIPTION,// description
aac_init, // init_func
aac_about, // aboutbox
aac_configuration, // configuration
aac_isFile, // ???
0, // scan dir
aac_play, // when play button
aac_stop, // when stop
aac_pause, // when pause
aac_seek, // when seek
0, // set equalizer
aac_getTime, // ???
0, // get volume
0, // set volume
aac_cleanup, // the cleanup function :)
0, // obsolete (???)
0, // send visualisation data
0, // set player window info
0, // set song title text
0, // get song title text to show on Playlist
aac_getSongInfo,// file info box
0 // pointer to outputPlugin
};
static gboolean bPlaying = FALSE;
static gboolean bOutputOpen = FALSE;
static pthread_t decodeThread;
static gboolean bSeek = FALSE;
static gint seekPosition = -1; // track position
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
static unsigned long *positionTable = 0;
int aacType;
/*****************************************************************************/
InputPlugin *get_iplugin_info(void)
{
return (&aac_ip);
}
static void aac_init(void)
{
ConfigFile* cfg;
memset(&decodeThread, 0, sizeof(pthread_t));
cfg = xmms_cfg_open_default_file();
xmms_cfg_read_boolean(cfg, "AAC", "seeking", &bSeek);
xmms_cfg_free(cfg);
}
static void aac_cleanup(void)
{
memset(&decodeThread, 0, sizeof(pthread_t));
if(positionTable){
free(positionTable);
}
}
static void aac_play(char *filename)
{
bPlaying = TRUE;
if(pthread_create(&decodeThread, 0, aac_decode, g_strdup(filename))!=0){
printf("Error creating pthread, can't play file\n");
}
return;
}
static void aac_stop(void)
{
if (bPlaying){
bPlaying = FALSE;
pthread_join(decodeThread, NULL);
memset(&decodeThread, 0, sizeof(pthread_t));
aac_ip.output->close_audio();
clearWindowDatas();
}
}
static void aac_pause(short paused)
{
if(bOutputOpen){
aac_ip.output->pause(paused);
}
}
static int aac_getTime(void)
{
if (!bPlaying){
return (-1);
}
else{
return (aac_ip.output->output_time());
}
}
static void aac_seek(int time)
{
seekPosition=time;
while(bPlaying && seekPosition!=-1) xmms_usleep(10000);
}
static void aac_getSongInfo(char *filename)
{
infoBoxWindow = createDialogInfo();
gtk_widget_show(infoBoxWindow);
}
static void *aac_decode(void *args)
{
char *filename = args;
char *xmmstitle=NULL;
FILE *file = NULL;
faacDecHandle decoder = 0;
unsigned char *buffer = 0;
unsigned long bufferconsumed = 0;
unsigned long samplerate = 0;
unsigned long lenght=0;
char channels;
unsigned long buffervalid = 0;
TitleInput *input;
char *temp = g_strdup(filename);
char *ext = strrchr(temp, '.');
pthread_mutex_lock(&mutex);
seekPosition=-1;
clearWindowDatas();
if((file = fopen(filename, "rb")) == 0){
printf("can't find file %s\n", filename);
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
if(bSeek){
checkADTSForSeeking(file, &positionTable, &lenght);
if((aacType = getAacInfo(file)) ==-1){
g_print("erreur getAAC\n");
fclose(file);
if(positionTable){
free(positionTable); positionTable=0;
}
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
}
if((decoder = faacDecOpen()) == NULL){
printf("Open Decoder Error\n");
fclose(file);
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
if((buffer = g_malloc(BUFFER_SIZE)) == NULL){
printf("error g_malloc\n");
fclose(file);
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
if((buffervalid = fread(buffer, 1, BUFFER_SIZE, file))==0){
printf("Error file NULL\n");
g_free(buffer);
fclose(file);
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
XMMS_NEW_TITLEINPUT(input);
input->file_name = g_basename(temp);
input->file_ext = ext ? ext+1 : NULL;
input->file_path = temp;
if(!strncmp(buffer, "ID3", 3)){
int size = 0;
readID3tag(filename);
if(title)
input->track_name = g_strdup(title);
if(artist)
input->performer = g_strdup(artist);
if(genre)
input->genre = g_strdup(genre);
if(track)
input->track_number = atoi(track);
fseek(file, 0, SEEK_SET);
/*
** hum .. horrible hack taken from the winamp plugin to jump
** the tag, is there any id3 function to do this ???? hum... seems not :(
*/
size = (buffer[6]<<21) | (buffer[7]<<14) | (buffer[8]<<7) | buffer[9];
size+=10;
fread(buffer, 1, size, file);
if(bSeek){
checkADTSForSeeking(file, &positionTable, &lenght);
if((aacType = getAacInfo(file)) ==-1){
printf("erreur getAAC\n");
g_free(buffer); buffer=0;
faacDecClose(decoder);
fclose(file);
aac_ip.output->close_audio();
if(positionTable){
free(positionTable); positionTable=0;
}
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
printf("AAC-%s Type\n", aacType?"MPEG2":"MPEG4");
}
buffervalid = fread(buffer, 1, BUFFER_SIZE, file);
}
xmmstitle = xmms_get_titlestring(xmms_get_gentitle_format(), input);
if(xmmstitle == NULL)
xmmstitle = g_strdup(input->file_name);
g_free(temp);
g_free(input->performer);
g_free(input->album_name);
g_free(input->track_name);
g_free(input->genre);
g_free(input);
bufferconsumed = faacDecInit(decoder, buffer, buffervalid, &samplerate, &channels);
if((bOutputOpen = aac_ip.output->open_audio(FMT_S16_NE, samplerate, channels)) == FALSE){
printf("Output Error\n");
g_free(buffer); buffer=0;
faacDecClose(decoder);
fclose(file);
aac_ip.output->close_audio();
if(positionTable){
free(positionTable); positionTable=0;
}
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
if(bSeek){
aac_ip.set_info(xmmstitle, lenght*1000, -1, samplerate, channels);
}else{
aac_ip.set_info(xmmstitle, -1, -1, samplerate, channels);
}
aac_ip.output->flush(0);
while(bPlaying && buffervalid > 0){
faacDecFrameInfo finfo;
unsigned long samplesdecoded;
char *sample_buffer = NULL;
if(bSeek && seekPosition!=-1){
fseek(file, positionTable[seekPosition], SEEK_SET);
bufferconsumed=0;
buffervalid = fread(buffer, 1, BUFFER_SIZE, file);
aac_ip.output->flush(seekPosition*1000);
seekPosition=-1;
}
if(bufferconsumed > 0){
memmove(buffer, &buffer[bufferconsumed], buffervalid-bufferconsumed);
buffervalid -= bufferconsumed;
buffervalid += fread(&buffer[buffervalid], 1, BUFFER_SIZE-buffervalid, file);
bufferconsumed = 0;
}
sample_buffer = faacDecDecode(decoder, &finfo, buffer, buffervalid);
if(finfo.error){
buffervalid = 0;
printf("FAAD2 Error %s\n", faacDecGetErrorMessage(finfo.error));
printf("---Use Psystrip.exe on the file to avoid the ADTS error---\n");
}
bufferconsumed += finfo.bytesconsumed;
samplesdecoded = finfo.samples;
if((samplesdecoded<=0) && !sample_buffer){
printf("error\n");
}
while(bPlaying && aac_ip.output->buffer_free() < (samplesdecoded<<1)){
xmms_usleep(10000);
}
aac_ip.add_vis_pcm(aac_ip.output->written_time(), FMT_S16_LE, channels, samplesdecoded<<1, sample_buffer);
aac_ip.output->write_audio(sample_buffer, samplesdecoded<<1);
}
while(bPlaying && aac_ip.output->buffer_playing()){
xmms_usleep(10000);
}
aac_ip.output->buffer_free();
aac_ip.output->close_audio();
bPlaying = FALSE;
bOutputOpen = FALSE;
g_free(buffer);
faacDecClose(decoder);
g_free(xmmstitle);
fclose(file);
seekPosition = -1;
if(positionTable){
free(positionTable); positionTable=0;
}
pthread_mutex_unlock(&mutex);
pthread_exit(NULL);
}
static int aac_isFile(char *filename)
{
char *extention = strrchr(filename, '.');
if (extention && !strcasecmp(extention, ".aac")){
return (1);
}
return(0);
}
static void aac_about(void)
{
static GtkWidget *aboutbox;
if(aboutbox!=NULL)
return;
aboutbox = xmms_show_message(
"About MPEG2/4-AAC plugin",
"decoding engine : FAAD2 team\n"
"Plugin coder : ciberfred",
"Ok", FALSE, NULL, NULL);
gtk_signal_connect(GTK_OBJECT(aboutbox), "destroy",
GTK_SIGNAL_FUNC(gtk_widget_destroyed),
&aboutbox);
}
static GtkWidget *checkbutton;
static GtkWidget *window;
static void aac_configuration_save(GtkWidget *widget, gpointer data)
{
ConfigFile *cfg;
bSeek = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbutton));
cfg = xmms_cfg_open_default_file();
xmms_cfg_write_boolean(cfg, "AAC", "seeking", bSeek);
xmms_cfg_free(cfg);
gtk_widget_destroy(window);
}
static void aac_configuration(void)
{
GtkWidget *vbox, *hbox;
GtkWidget *NotaBene;
GtkWidget *button2;
window = gtk_window_new(GTK_WINDOW_DIALOG);
gtk_signal_connect(GTK_OBJECT(window), "destroy",
GTK_SIGNAL_FUNC(gtk_widget_destroyed),
&window);
gtk_window_set_title(GTK_WINDOW(window), "AAC Plugin Configuration");
gtk_widget_set_usize(window, 220, 200);
vbox = gtk_vbox_new(FALSE, 2);
gtk_container_add(GTK_CONTAINER(window), vbox);
NotaBene = gtk_text_new(NULL, NULL);
GTK_WIDGET_UNSET_FLAGS (NotaBene, GTK_CAN_FOCUS);
gtk_text_insert(GTK_TEXT(NotaBene), NULL, NULL, NULL,
"Remember that unable seeking"
" is not suitable for playing"
" file from network.\n"
"Seeking must read first all aac file before playing.",-1);
gtk_box_pack_start(GTK_BOX(vbox), NotaBene, FALSE, FALSE, 0);
checkbutton = gtk_check_button_new_with_label("Unable Seeking");
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbutton), bSeek);
gtk_box_pack_start(GTK_BOX(vbox), checkbutton, FALSE, FALSE, 0);
hbox = gtk_hbutton_box_new();
gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
button2 = gtk_button_new_with_label ("Save");
gtk_signal_connect_object(GTK_OBJECT(button2), "clicked",
GTK_SIGNAL_FUNC(aac_configuration_save),
GTK_OBJECT(window));
gtk_box_pack_start(GTK_BOX(hbox), button2, FALSE, FALSE, 0);
button2 = gtk_button_new_with_label ("Close");
gtk_signal_connect_object(GTK_OBJECT(button2), "clicked",
GTK_SIGNAL_FUNC(gtk_widget_destroy),
GTK_OBJECT(window));
gtk_box_pack_start(GTK_BOX(hbox), button2, FALSE, FALSE, 0);
gtk_widget_show_all(window);
}