mirror of
https://github.com/tuxbox-neutrino/libstb-hal.git
synced 2025-08-28 07:51:21 +02:00
add libeplayer3 from tdt git
This imports libeplayer3 as of commit 9160371ccc6 (2012-02-02) git://gitorious.org/open-duckbox-project-sh4/tdt.git It would be better to use the original repo, but I need too many changes for now :-(
This commit is contained in:
Stefan Seyfried
492
libeplayer3/container/text_ssa.c
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492
libeplayer3/container/text_ssa.c
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@@ -0,0 +1,492 @@
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/*
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* subtitle handling for ssa files.
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* ***************************** */
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/* Includes */
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/* ***************************** */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <pthread.h>
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#include <errno.h>
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#include <unistd.h>
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#include "common.h"
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#include "misc.h"
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#include "subtitle.h"
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/* ***************************** */
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/* Makros/Constants */
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/* ***************************** */
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#define SSA_DEBUG
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#ifdef SSA_DEBUG
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static short debug_level = 10;
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#define ssa_printf(level, fmt, x...) do { \
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if (debug_level >= level) printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
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#else
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#define ssa_printf(level, fmt, x...)
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#endif
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#ifndef SSA_SILENT
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#define ssa_err(fmt, x...) do { printf("[%s:%s] " fmt, __FILE__, __FUNCTION__, ## x); } while (0)
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#else
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#define ssa_err(fmt, x...)
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#endif
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/* Error Constants */
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#define cERR_SSA_NO_ERROR 0
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#define cERR_SSA_ERROR -1
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#define TRACKWRAP 20
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#define MAXLINELENGTH 1000
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//Buffer size used in getLine function. Do not set to value less than 1 !!!
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#define SSA_BUFFER_SIZE 14
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static const char FILENAME[] = __FILE__;
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/* ***************************** */
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/* Types */
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/* ***************************** */
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typedef struct {
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char * File;
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int Id;
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} SsaTrack_t;
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/* ***************************** */
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/* Varaibles */
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/* ***************************** */
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static pthread_t thread_sub;
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static SsaTrack_t * Tracks;
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static int TrackCount = 0;
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FILE * fssa = NULL;
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static int hasThreadStarted = 0;
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/* ***************************** */
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/* Prototypes */
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/* ***************************** */
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/* ***************************** */
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/* MISC Functions */
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/* ***************************** */
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char *SSAgetLine()
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{
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char *strAux = NULL, *strInput;
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char c[SSA_BUFFER_SIZE], ch;
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int k, tam, tamAux;
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k = tamAux = 0;
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if(SSA_BUFFER_SIZE>0)
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{
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strInput = (char*)malloc(1*sizeof(char));
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strInput[0]='\0';
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while(tamAux!=1)
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{
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if((ch = fgetc(fssa))!=EOF)
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{
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ungetc(ch , fssa);
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fgets(c, SSA_BUFFER_SIZE, fssa);
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strAux = (char*)strchr(c,'\n');
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tam = strlen(c);
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if(strAux != NULL)
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{
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tamAux = strlen(strAux);
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tam--;
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}
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k = k + tam;
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strInput = (char*)realloc(strInput, (k+1)*sizeof(char));
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if(k!=tam)
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strncat(strInput, c, tam);
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else
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strncpy(strInput, c, tam);
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strInput[k] = '\0';
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}
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else {
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tamAux = 1;
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fclose(fssa);
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fssa = NULL;
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}
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}
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}
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return strInput;
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}
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/* ***************************** */
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/* Worker Thread */
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/* ***************************** */
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static void* SsaSubtitleThread(void *data) {
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Context_t *context = (Context_t*) data;
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char * head =malloc(sizeof(char)*1);
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ssa_printf(10, "\n");
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head[0]='\0';
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while ( context && context->playback && context->playback->isPlaying && fssa ) {
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char *line = NULL;
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do
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{
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line = SSAgetLine();
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if(strncmp(line,"Dialogue: ",10)) {
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int head_len = strlen(head);
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int line_len = strlen(line);
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head = realloc(head, line_len + head_len +2);
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memcpy(head + head_len, line, sizeof(char)*line_len+1);
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head[head_len + line_len] = '\n';
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head[head_len + line_len + 1] = '\0';
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}
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} while (strncmp(line,"Dialogue: ",10)!=0 && fssa);
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/*Hellmaster 1024 since we have waited, we have to check if we are still paying */
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if( context &&
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context->playback &&
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context->playback->isPlaying) {
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SubtitleData_t data;
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data.data = (unsigned char*) line;
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data.len = strlen(line);
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data.extradata = (unsigned char*) head;
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data.extralen = strlen(head);
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data.pts = 0;
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data.duration = 0.0;
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context->container->assContainer->Command(context, CONTAINER_DATA, &data);
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}
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free(line);
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line = NULL;
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continue;
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}
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hasThreadStarted = 0;
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if(head) {
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free(head);
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head = NULL;
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}
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ssa_printf(0, "thread has ended\n");
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return NULL;
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}
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/* ***************************** */
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/* Functions */
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/* ***************************** */
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static void SsaManagerAdd(Context_t *context, SsaTrack_t track) {
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ssa_printf(10, "%s %d\n", track.File, track.Id);
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if (Tracks == NULL) {
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Tracks = malloc(sizeof(SsaTrack_t) * TRACKWRAP);
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}
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if (TrackCount < TRACKWRAP) {
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Tracks[TrackCount].File = strdup(track.File);
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Tracks[TrackCount].Id = track.Id;
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TrackCount++;
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}
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}
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static char ** SsaManagerList(Context_t *context) {
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char ** tracklist = NULL;
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ssa_printf(10, "\n");
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if (Tracks != NULL) {
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char help[256];
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int i = 0, j = 0;
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tracklist = malloc(sizeof(char *) * ((TrackCount*2) + 1));
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for (i = 0, j = 0; i < TrackCount; i++, j+=2) {
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sprintf(help, "%d", Tracks[i].Id);
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tracklist[j] = strdup(help);
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tracklist[j+1] = strdup(Tracks[i].File);
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}
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tracklist[j] = NULL;
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}
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return tracklist;
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}
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static void SsaManagerDel(Context_t * context) {
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int i = 0;
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ssa_printf(10, "\n");
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if(Tracks != NULL) {
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for (i = 0; i < TrackCount; i++) {
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if (Tracks[i].File != NULL)
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free(Tracks[i].File);
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Tracks[i].File = NULL;
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}
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free(Tracks);
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Tracks = NULL;
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}
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TrackCount = 0;
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}
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static int SsaGetSubtitle(Context_t *context, char * Filename) {
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struct dirent *dirzeiger;
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DIR * dir;
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int i = TEXTSSAOFFSET;
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char * copyFilename = NULL;
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char * FilenameExtension = NULL;
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char * FilenameFolder = NULL;
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char * FilenameShort = NULL;
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ssa_printf(10, "\n");
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if (Filename == NULL)
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{
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ssa_err("Filename NULL\n");
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return cERR_SSA_ERROR;
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}
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ssa_printf(10, "file: %s\n", Filename);
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copyFilename = strdup(Filename);
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FilenameFolder = dirname(copyFilename);
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if (FilenameFolder == NULL)
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{
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ssa_err("FilenameFolder NULL\n");
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return cERR_SSA_ERROR;
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}
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ssa_printf(10, "folder: %s\n", FilenameFolder);
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getExtension(copyFilename, &FilenameExtension);
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if (FilenameExtension == NULL)
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{
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ssa_err("FilenameExtension NULL\n");
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free(FilenameFolder);
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return cERR_SSA_ERROR;
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}
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ssa_printf(10, "ext: %s\n", FilenameExtension);
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FilenameShort = basename(copyFilename);
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/* cut extension */
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FilenameShort[strlen(FilenameShort) - strlen(FilenameExtension) - 1] = '\0';
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ssa_printf(10, "basename: %s\n", FilenameShort);
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ssa_printf(10, "%s\n%s | %s | %s\n", copyFilename, FilenameFolder, FilenameShort, FilenameExtension);
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if((dir = opendir(FilenameFolder)) != NULL) {
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while((dirzeiger = readdir(dir)) != NULL) {
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char subtitleFilename[PATH_MAX];
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char *subtitleExtension = NULL;
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ssa_printf(20, "%s\n",(*dirzeiger).d_name);
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strcpy(subtitleFilename, (*dirzeiger).d_name);
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// Extension of Relativ Subtitle File Name
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getExtension(subtitleFilename, &subtitleExtension);
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if (subtitleExtension == NULL)
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continue;
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if ( strcmp(subtitleExtension, "ssa") != 0 && strcmp(subtitleExtension, "ass") != 0 )
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{
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free(subtitleExtension);
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continue;
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}
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/* cut extension */
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subtitleFilename[strlen(subtitleFilename) - strlen(subtitleExtension) - 1] = '\0';
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ssa_printf(10, "%s %s\n", FilenameShort, subtitleFilename);
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if (strncmp(FilenameShort, subtitleFilename,strlen(FilenameShort)) == 0)
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{
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char absSubtitleFileName[PATH_MAX];
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/* found something of interest, so now make an absolut path name */
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sprintf(absSubtitleFileName, "%s/%s.%s", FilenameFolder, subtitleFilename, subtitleExtension);
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ssa_printf(10, "SSA: %s [%s]\n", subtitleExtension, subtitleFilename);
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ssa_printf(10, "\t->%s\n", absSubtitleFileName);
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SsaTrack_t SsaSubtitle = {
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absSubtitleFileName,
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i,
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};
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SsaManagerAdd(context, SsaSubtitle);
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Track_t Subtitle = {
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subtitleExtension,
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"S_TEXT/SSA",
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i++,
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};
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context->manager->subtitle->Command(context, MANAGER_ADD, &Subtitle);
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}
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free(subtitleExtension);
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} /* while */
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closedir(dir);
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} /* if dir */
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free(FilenameExtension);
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free(copyFilename);
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ssa_printf(10, "<\n");
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return cERR_SSA_NO_ERROR;
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}
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static int SsaOpenSubtitle(Context_t *context, int trackid) {
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ssa_printf(10, "\n");
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if(trackid < TEXTSSAOFFSET || (trackid % TEXTSSAOFFSET) >= TrackCount ) {
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ssa_err("trackid not for us\n");
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return cERR_SSA_ERROR;
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}
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trackid %= TEXTSSAOFFSET;
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ssa_printf(10, "%s\n", Tracks[trackid].File);
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fssa = fopen(Tracks[trackid].File, "rb");
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ssa_printf(10, "%s\n", fssa ? "fssa!=NULL" : "fssa==NULL");
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if (!fssa)
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{
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ssa_err("cannot open file %s\n", Tracks[trackid].File);
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return cERR_SSA_ERROR;
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}
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return cERR_SSA_NO_ERROR;
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}
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static int SsaCloseSubtitle(Context_t *context) {
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ssa_printf(10, "\n");
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if(fssa)
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fclose(fssa);
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/* this closes the thread! */
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fssa = NULL;
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hasThreadStarted = 0;
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return cERR_SSA_NO_ERROR;
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}
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static int SsaSwitchSubtitle(Context_t *context, int* arg) {
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int ret = cERR_SSA_NO_ERROR;
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ssa_printf(10, "\n");
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ret = SsaCloseSubtitle(context);
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if (((ret |= SsaOpenSubtitle(context, *arg)) == cERR_SSA_NO_ERROR) && (!hasThreadStarted))
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{
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_create (&thread_sub, &attr, &SsaSubtitleThread, context);
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hasThreadStarted = 1;
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}
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return ret;
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}
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static int SsaDel(Context_t *context) {
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int ret = cERR_SSA_NO_ERROR;
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ssa_printf(10, "\n");
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ret = SsaCloseSubtitle(context);
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SsaManagerDel(context);
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return ret;
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}
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static int Command(void *_context, ContainerCmd_t command, void * argument) {
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Context_t *context = (Context_t*) _context;
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int ret = cERR_SSA_NO_ERROR;
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ssa_printf(10, "\n");
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switch(command) {
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case CONTAINER_INIT: {
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char * filename = (char *)argument;
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ret = SsaGetSubtitle(context, filename);
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break;
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}
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case CONTAINER_DEL: {
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ret = SsaDel(context);
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break;
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}
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case CONTAINER_SWITCH_SUBTITLE: {
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ret = SsaSwitchSubtitle(context, (int*) argument);
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break;
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}
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default:
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ssa_err("ConatinerCmd not supported! %d\n", command);
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break;
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}
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ssa_printf(10, "ret = %d\n", ret);
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return 0;
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}
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static char *SsaCapabilities[] = { "ssa", NULL };
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Container_t SsaContainer = {
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"SSA",
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&Command,
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SsaCapabilities,
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};
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