wizard.m

uclinux 下的vlc播放器源代码

/*****************************************************************************
 * wizard.m: MacOS X Streaming Wizard
 *****************************************************************************
 * Copyright (C) 2005-2006 the VideoLAN team
 * $Id: wizard.m 18978 2007-02-23 20:07:18Z fkuehne $
 *
 * Authors: Felix Kühne <[e-mail]>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/


/*****************************************************************************
 * Note: this code is partially based upon ../wxwidgets/wizard.cpp and
 *         ../wxwidgets/streamdata.h; both written by Clément Stenac.
 *****************************************************************************/


/*****************************************************************************
 * Preamble
 *****************************************************************************/
#import "wizard.h"
#import "intf.h"
#import "network.h"
#import "playlist.h"
#import <vlc/intf.h>

/*****************************************************************************
 * VLCWizard implementation
 *****************************************************************************/

@implementation VLCWizard

static VLCWizard *_o_sharedInstance = nil;

+ (VLCWizard *)sharedInstance
{
    return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
}

- (id)init
{
    if (_o_sharedInstance) {
        [self dealloc];
    } else {
        _o_sharedInstance = [super init];
    }

    return _o_sharedInstance;
}

- (void)dealloc
{
    [o_userSelections release];
    [o_videoCodecs release];
    [o_audioCodecs release];
    [o_encapFormats release];
    [super dealloc];
}

- (void)awakeFromNib
{
    /* some minor cleanup */
    [o_t2_tbl_plst setEnabled:NO];
    o_userSelections = [[NSMutableDictionary alloc] init];
    [o_btn_backward setEnabled:NO];

    /* add audio-bitrates for transcoding */
    NSArray * audioBitratesArray;
    audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192", \
        @"128", @"64", @"32", @"16", nil ];
    [o_t4_pop_audioBitrate removeAllItems];
    [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
    [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];

    /* add video-bitrates for transcoding */
    NSArray * videoBitratesArray;
    videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024", \
        @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
    [o_t4_pop_videoBitrate removeAllItems];
    [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
    [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];

    /* fill 2 global arrays with arrays containing all codec-related information
     * - one array per codec named by its short name to define the encap-compability,
     *     cmd-names, real names, more info in the order: realName, shortName,
     *     moreInfo, encaps */
    NSArray * o_mp1v;
    NSArray * o_mp2v;
    NSArray * o_mp4v;
    NSArray * o_div1;
    NSArray * o_div2;
    NSArray * o_div3;
    NSArray * o_h263;
    NSArray * o_h264;
    NSArray * o_wmv1;
    NSArray * o_wmv2;
    NSArray * o_mjpg;
    NSArray * o_theo;
    NSArray * o_dummyVid;
    o_mp1v = [NSArray arrayWithObjects: @"MPEG-1 Video", @"mp1v", \
        _NS("MPEG-1 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
        "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
        @"NO", @"NO", @"NO", @"NO", nil];
    o_mp2v = [NSArray arrayWithObjects: @"MPEG-2 Video", @"mp2v", \
        _NS("MPEG-2 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
        "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
        @"NO", @"NO", @"NO", @"NO", nil];
    o_mp4v = [NSArray arrayWithObjects: @"MPEG-4 Video", @"mp4v", \
        _NS("MPEG-4 Video codec (useable with MPEG PS, MPEG TS, MPEG1, ASF, " \
        "MP4, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", \
        @"MUX_MP4", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", nil];
    o_div1 = [NSArray arrayWithObjects: @"DIVX 1", @"DIV1", \
        _NS("DivX first version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
        @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
        @"NO", @"NO", nil];
    o_div2 = [NSArray arrayWithObjects: @"DIVX 2", @"DIV2", \
        _NS("DivX second version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
        @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
        @"NO", @"NO", nil];
    o_div3 = [NSArray arrayWithObjects: @"DIVX 3", @"DIV3", \
        _NS("DivX third version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
        @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
        @"NO", @"NO", nil];
    o_h263 = [NSArray arrayWithObjects: @"H.263", @"h263", \
        _NS("H263 is a video codec optimized for videoconference " \
        "(low rates, useable with MPEG TS)"), @"MUX_TS", @"NO", @"NO", @"NO", \
        @"NO", @"NO", @"NO", @"NO", @"NO", nil];
    o_h264 = [NSArray arrayWithObjects: @"H.264", @"h264", \
        _NS("H264 is a new video codec (useable with MPEG TS and MP4)"), \
        @"MUX_TS", @"MUX_MP4", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", \
        @"NO", nil];
    o_wmv1 = [NSArray arrayWithObjects: @"WMV 1", @"WMV1", \
        _NS("WMV (Windows Media Video) 1 (useable with MPEG TS, MPEG1, ASF and " \
        "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
        @"NO", @"NO", @"NO", nil];
    o_wmv2 = [NSArray arrayWithObjects: @"WMV 2", @"WMV2", \
        _NS("WMV (Windows Media Video) 2 (useable with MPEG TS, MPEG1, ASF and " \
        "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
        @"NO", @"NO", @"NO", nil];
    o_mjpg = [NSArray arrayWithObjects: @"MJPEG", @"MJPG", \
        _NS("MJPEG consists of a series of JPEG pictures (useable with MPEG TS," \
        " MPEG1, ASF and OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
        @"NO", @"NO", @"NO", @"NO", @"NO", nil];
    o_theo = [NSArray arrayWithObjects: @"Theora", @"theo", \
        _NS("Theora is a free general-purpose codec (useable with MPEG TS " \
        "and OGG)"), @"MUX_TS", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", \
        @"NO", @"NO", nil];
    o_dummyVid = [NSArray arrayWithObjects: @"Dummy", @"dummy", \
        _NS("Dummy codec (do not transcode, useable with all encapsulation " \
        "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", \
        @"MUX_OGG", @"MUX_WAV", @"MUX_RAW", @"MUX_MOV", nil];
    o_videoCodecs = [[NSArray alloc] initWithObjects: o_mp1v, o_mp2v, o_mp4v, \
        o_div1, o_div2, o_div3, o_h263, o_h264, o_wmv1, o_wmv2, o_mjpg, o_theo, \
        o_dummyVid, nil];
    

    NSArray * o_mpga;
    NSArray * o_mp3;
    NSArray * o_mp4a;
    NSArray * o_a52;
    NSArray * o_vorb;
    NSArray * o_flac;
    NSArray * o_spx;
    NSArray * o_s16l;
    NSArray * o_fl32;
    NSArray * o_dummyAud;
    o_mpga = [NSArray arrayWithObjects: @"MPEG Audio", @"mpga", \
        _NS("The standard MPEG audio (1/2) format (useable with MPEG PS, MPEG TS, " \
        "MPEG1, ASF, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", \
        @"MUX_ASF", @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", nil];
    o_mp3 = [NSArray arrayWithObjects: @"MP3", @"mp3", \
        _NS("MPEG Audio Layer 3 (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG " \
        "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
        @"MUX_RAW", @"-1", @"-1", @"-1", nil];
    o_mp4a = [NSArray arrayWithObjects: @"MPEG 4 Audio", @"mp4a", \
        _NS("Audio format for MPEG4 (useable with MPEG TS and MPEG4)"), @"MUX_TS", \
        @"MUX_MP4", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
    o_a52 = [NSArray arrayWithObjects: @"A/52", @"a52", 
        _NS("DVD audio format (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG " \
        "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
        @"MUX_RAW", @"-1", @"-1", @"-1", nil];
    o_vorb = [NSArray arrayWithObjects: @"Vorbis", @"vorb", \
        _NS("Vorbis is a free audio codec (useable with OGG)"), @"MUX_OGG", \
        @"-1",  @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
    o_flac = [NSArray arrayWithObjects: @"FLAC", @"flac", \
        _NS("FLAC is a lossless audio codec (useable with OGG and RAW)"), \
        @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", \
        @"-1", nil];
    o_spx = [NSArray arrayWithObjects: @"Speex", @"spx", \
        _NS("A free audio codec dedicated to compression of voice (useable " \
        "with OGG)"), @"MUX_OGG", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", \
        @"-1", @"-1", nil];
    o_s16l = [NSArray arrayWithObjects: @"Uncompressed, integer", @"s16l", \
        _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV", \
        @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
    o_fl32 = [NSArray arrayWithObjects: @"Uncompressed, floating point", @"fl32", \
        _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV", \
        @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
    o_dummyAud = [NSArray arrayWithObjects: @"Dummy", @"dummy", \
        _NS("Dummy codec (do not transcode, useable with all encapsulation " \
        "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", \
        @"MUX_OGG", @"MUX_RAW", @"MUX_MOV", @"MUX_WAV", nil];
    o_audioCodecs = [[NSArray alloc] initWithObjects: o_mpga, o_mp3, o_mp4a, \
        o_a52, o_vorb, o_flac, o_spx, o_s16l, o_fl32, o_dummyAud, nil];


    /* fill another global array with all information about the encap-formats
     * note that the order of the formats inside the g. array is the same as on
     * the encap-tab */
    NSArray * o_ps;
    NSArray * o_ts;
    NSArray * o_mpeg;
    NSArray * o_ogg;
    NSArray * o_raw;
    NSArray * o_asf;
    NSArray * o_avi;
    NSArray * o_mp4;
    NSArray * o_mov;
    NSArray * o_wav;
    NSArray * o_asfh;
    o_ps = [NSArray arrayWithObjects: @"ps", @"MPEG PS", \
        _NS("MPEG Program Stream"), @"mpg", nil];
    o_ts = [NSArray arrayWithObjects: @"ts", @"MPEG TS", \
        _NS("MPEG Transport Stream"), nil];
    o_mpeg = [NSArray arrayWithObjects: @"ps", @"MPEG 1", \
        _NS("MPEG 1 Format"), @"mpg", nil];
    o_ogg = [NSArray arrayWithObjects: @"ogg", @"OGG", @"OGG", nil];
    o_raw = [NSArray arrayWithObjects: @"raw", @"RAW", @"RAW", nil];
    o_asf = [NSArray arrayWithObjects: @"asf", @"ASF", @"ASF", nil];
    o_avi = [NSArray arrayWithObjects: @"avi", @"AVI", @"AVI", nil];
    o_mp4 = [NSArray arrayWithObjects: @"mp4", @"MP4", @"MPEG4", nil];
    o_mov = [NSArray arrayWithObjects: @"mov", @"MOV", @"MOV", nil];
    o_wav = [NSArray arrayWithObjects: @"wav", @"WAV", @"WAV", nil];
    o_asfh = [NSArray arrayWithObjects: @"asfh", @"ASFH", @"ASFH", nil];
    o_encapFormats = [[NSArray alloc] initWithObjects: o_ps, o_ts, o_mpeg, \
        o_ogg, o_raw, o_asf, o_avi, o_mp4, o_mov, o_wav, o_asfh, nil];

    /* yet another array on streaming methods including help texts */
    NSArray * o_http;
    NSArray * o_mms;
    NSArray * o_udp_uni;
    NSArray * o_udp_multi;
    NSArray * o_rtp_uni;
    NSArray * o_rtp_multi;
    o_http = [NSArray arrayWithObjects: @"http", @"HTTP", _NS("Enter the local " \
        "addresses you want to listen requests on. Do not enter anything if " \
        "you want to listen on all the network interfaces. This is generally " \
        "the best thing to do. Other computers can then access the stream at " \
        "http://yourip:8080 by default.") , _NS("Use this to stream to several " \
        "computers. This method is not the most efficient, as the server needs "\
        "to send the stream several times, but generally the most compatible"), nil];
    o_mms = [NSArray arrayWithObjects: @"mmsh", @"MMS", _NS("Enter the local " \
        "addresses you want to listen requests on. Do not enter anything if " \
        "you want to listen on all the network interfaces. This is generally " \
        "the best thing to do. Other computers can then access the stream at " \
        "mms://yourip:8080 by default."), _NS("Use this to stream to several " \