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/*
* function: Decoding thread for aacDECdrop
*
* This program is distributed under the GNU General Public License, version 2.
* A copy of this license is included with this source.
*
* Copyright (C) 2002 John Edwards
*
* last mod: aacDecdrop decoder last updated 2002-03-14
*/
#include <windows.h>
#include <time.h>
#include <string.h>
#include "wave_out.h"
#include "decode.h"
#include "misc.h"
extern int decoding_done;
extern int animate;
extern double file_complete;
extern int totalfiles;
extern int numfiles;
int dec_mode;
int outputFormat;
int fileType;
int object_type;
extern char* fileName;
int stop_decoding;
typedef struct enclist_tag {
char *filename;
struct enclist_tag *next;
} enclist_t;
enclist_t *head = NULL;
CRITICAL_SECTION mutex;
DWORD WINAPI decode_thread(LPVOID arg);
void decthread_init(void)
{
int thread_id;
HANDLE thand;
numfiles = 0;
totalfiles = 0;
file_complete = 0.0;
InitializeCriticalSection(&mutex);
thand = CreateThread(NULL, 0, decode_thread, NULL, 0, &thread_id);
if (thand == NULL) {
// something bad happened, might want to deal with that, maybe...
}
}
void decthread_addfile(char *file)
{
char *filename;
enclist_t *entry, *node;
if (file == NULL) return;
// create entry
filename = strdup(file);
entry = (enclist_t *)malloc(sizeof(enclist_t));
entry->filename = filename;
entry->next = NULL;
EnterCriticalSection(&mutex);
// insert entry
if (head == NULL) {
head = entry;
} else {
node = head;
while (node->next != NULL)
node = node->next;
node->next = entry;
}
numfiles++;
totalfiles++;
LeaveCriticalSection(&mutex);
}
/*
* the caller is responsible for deleting the pointer
*/
char *_getfile()
{
char *filename;
enclist_t *entry;
EnterCriticalSection(&mutex);
if (head == NULL) {
LeaveCriticalSection(&mutex);
return NULL;
}
// pop entry
entry = head;
head = head->next;
filename = entry->filename;
free(entry);
LeaveCriticalSection(&mutex);
return filename;
}
void decthread_set_decode_mode(int decode_mode)
{
dec_mode = decode_mode;
}
void decthread_set_outputFormat(int output_format)
{
outputFormat = output_format;
}
void decthread_set_fileType(int file_type)
{
fileType = file_type;
}
void decthread_set_object_type(int object_type)
{
object_type = object_type;
}
void _error(char *errormessage)
{
// do nothing
}
void _update(long total, long done)
{
file_complete = (double)done / (double)total;
}
DWORD WINAPI decode_thread(LPVOID arg)
{
char *in_file;
while (!decoding_done)
{
while (in_file = _getfile())
{
aac_dec_opt dec_opts;
animate = 1;
if(stop_decoding){
numfiles--;
break;
}
set_filename(in_file);
dec_opts.progress_update = _update;
dec_opts.filename = in_file;
dec_opts.decode_mode = dec_mode;
dec_opts.output_format = outputFormat;
dec_opts.file_type = fileType;
dec_opts.object_type = object_type;
fileName = in_file;
aac_decode(&dec_opts);
numfiles--;
} /* Finished this file, loop around to next... */
file_complete = 0.0;
animate = 0;
totalfiles = 0;
numfiles = 0;
Sleep(500);
}
DeleteCriticalSection(&mutex);
return 0;
}
/******************************** end of decthread.c ********************************/
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