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https://github.com/tuxbox-neutrino/libstb-hal.git
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libeplayer3: rename to c++
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martii
278
libeplayer3/manager/video.cpp
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278
libeplayer3/manager/video.cpp
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/*
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* video manager handling.
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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 <string.h>
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#include "manager.h"
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#include "common.h"
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/* ***************************** */
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/* Makros/Constants */
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/* ***************************** */
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#define TRACKWRAP 4
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#define VIDEO_MGR_DEBUG
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#ifdef VIDEO_MGR_DEBUG
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static short debug_level = 0;
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#define video_mgr_printf(level, x...) do { \
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if (debug_level >= level) printf(x); } while (0)
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#else
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#define video_mgr_printf(level, x...)
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#endif
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#ifndef VIDEO_MGR_SILENT
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#define video_mgr_err(x...) do { printf(x); } while (0)
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#else
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#define video_mgr_err(x...)
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#endif
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/* Error Constants */
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#define cERR_VIDEO_MGR_NO_ERROR 0
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#define cERR_VIDEO_MGR_ERROR -1
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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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/* ***************************** */
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/* Varaibles */
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/* ***************************** */
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static Track_t *Tracks = NULL;
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static int TrackCount = 0;
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static int CurrentTrack = 0; //TRACK[0] as default.
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/* ***************************** */
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/* Prototypes */
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/* ***************************** */
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/* ***************************** */
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/* Functions */
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/* ***************************** */
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static int ManagerAdd(Context_t * context, Track_t track)
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{
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video_mgr_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
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if (Tracks == NULL) {
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Tracks = malloc(sizeof(Track_t) * TRACKWRAP);
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int i;
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for (i = 0; i < TRACKWRAP; i++)
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Tracks[i].Id = -1;
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}
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if (Tracks == NULL) {
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video_mgr_err("%s:%s malloc failed\n", FILENAME, __FUNCTION__);
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return cERR_VIDEO_MGR_ERROR;
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}
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int i;
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for (i = 0; i < TRACKWRAP; i++) {
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if (Tracks[i].Id == track.Id) {
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Tracks[i].pending = 0;
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return cERR_VIDEO_MGR_NO_ERROR;
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}
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}
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if (TrackCount < TRACKWRAP) {
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copyTrack(&Tracks[TrackCount], &track);
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TrackCount++;
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} else {
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video_mgr_err("%s:%s TrackCount out if range %d - %d\n", FILENAME,
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__FUNCTION__, TrackCount, TRACKWRAP);
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return cERR_VIDEO_MGR_ERROR;
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}
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if (TrackCount > 0)
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context->playback->isVideo = 1;
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video_mgr_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
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return cERR_VIDEO_MGR_NO_ERROR;
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}
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static char **ManagerList(Context_t * context __attribute__ ((unused)))
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{
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int i = 0, j = 0;
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char **tracklist = NULL;
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video_mgr_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
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if (Tracks != NULL) {
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tracklist = malloc(sizeof(char *) * ((TrackCount * 2) + 1));
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if (tracklist == NULL) {
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video_mgr_err("%s:%s malloc failed\n", FILENAME, __FUNCTION__);
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return NULL;
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}
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for (i = 0, j = 0; i < TrackCount; i++, j += 2) {
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if (Tracks[i].pending)
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continue;
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size_t len = strlen(Tracks[i].Name) + 20;
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char tmp[len];
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snprintf(tmp, len, "%d %s\n", Tracks[i].Id, Tracks[i].Name);
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tracklist[j] = strdup(tmp);
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tracklist[j + 1] = strdup(Tracks[i].Encoding);
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}
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tracklist[j] = NULL;
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}
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video_mgr_printf(10, "%s::%s return %p (%d - %d)\n", FILENAME,
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__FUNCTION__, tracklist, j, TrackCount);
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return tracklist;
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}
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static int ManagerDel(Context_t * context)
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{
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int i = 0;
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video_mgr_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
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if (Tracks != NULL) {
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for (i = 0; i < TrackCount; i++) {
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freeTrack(&Tracks[i]);
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}
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free(Tracks);
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Tracks = NULL;
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} else {
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video_mgr_err("%s::%s nothing to delete!\n", FILENAME,
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__FUNCTION__);
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return cERR_VIDEO_MGR_ERROR;
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}
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TrackCount = 0;
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CurrentTrack = 0;
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context->playback->isVideo = 0;
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video_mgr_printf(10, "%s::%s return no error\n", FILENAME,
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__FUNCTION__);
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return cERR_VIDEO_MGR_NO_ERROR;
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}
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static int Command(Context_t *context, ManagerCmd_t command, void *argument)
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{
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int ret = cERR_VIDEO_MGR_NO_ERROR;
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video_mgr_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
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switch (command) {
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case MANAGER_ADD:{
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Track_t *track = argument;
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ret = ManagerAdd(context, *track);
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break;
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}
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case MANAGER_LIST:{
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container_ffmpeg_update_tracks(context, context->playback->uri);
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*((char ***) argument) = (char **) ManagerList(context);
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break;
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}
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case MANAGER_GET:{
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if ((TrackCount > 0) && (CurrentTrack >= 0))
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*((int *) argument) = (int) Tracks[CurrentTrack].Id;
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else
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*((int *) argument) = (int) -1;
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break;
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}
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case MANAGER_GET_TRACK:{
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video_mgr_printf(20, "%s::%s MANAGER_GET_TRACK\n", FILENAME,
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__FUNCTION__);
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if ((TrackCount > 0) && (CurrentTrack >= 0))
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*((Track_t **) argument) =
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(Track_t *) & Tracks[CurrentTrack];
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else
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*((Track_t **) argument) = NULL;
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break;
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}
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case MANAGER_GETENCODING:{
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if ((TrackCount > 0) && (CurrentTrack >= 0))
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*((char **) argument) =
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(char *) strdup(Tracks[CurrentTrack].Encoding);
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else
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*((char **) argument) = (char *) strdup("");
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break;
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}
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case MANAGER_GETNAME:{
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if ((TrackCount > 0) && (CurrentTrack >= 0))
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*((char **) argument) =
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(char *) strdup(Tracks[CurrentTrack].Name);
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else
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*((char **) argument) = (char *) strdup("");
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break;
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}
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case MANAGER_SET:{
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int i;
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for (i = 0; i < TrackCount; i++)
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if (Tracks[i].Id == *((int *) argument)) {
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CurrentTrack = i;
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break;
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}
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if (i == TrackCount) {
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video_mgr_err("%s::%s track id %d unknown\n", FILENAME,
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__FUNCTION__, *((int *) argument));
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ret = cERR_VIDEO_MGR_ERROR;
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}
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break;
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}
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case MANAGER_DEL:{
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ret = ManagerDel(context);
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break;
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}
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case MANAGER_INIT_UPDATE:{
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int i;
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for (i = 0; i < TrackCount; i++)
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Tracks[i].pending = 1;
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break;
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}
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default:
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video_mgr_err("%s::%s ContainerCmd %d not supported!\n", FILENAME,
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__FUNCTION__, command);
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ret = cERR_VIDEO_MGR_ERROR;
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break;
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}
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video_mgr_printf(10, "%s:%s: returning %d\n", FILENAME, __FUNCTION__,
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ret);
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return ret;
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}
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struct Manager_s VideoManager = {
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"Video",
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&Command,
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NULL
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};
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