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/*****************************************************************************
 * output.m: MacOS X Output Dialog
 *****************************************************************************
 * Copyright (C) 2002-2003 VideoLAN
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 * $Id: output.m,v 1.8 2003/06/17 14:38:39 hartman Exp $
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 *
 * Authors: Jon Lech Johansen <jon-vl@nanocrew.net> 
 *          Christophe Massiot <massiot@via.ecp.fr>
 *          Derk-Jan Hartman <thedj@users.sourceforge.net>
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdlib.h>                                      /* malloc(), free() */
#include <string.h>

#include "intf.h"
#include "output.h"

/*****************************************************************************
 * VLCOutput implementation 
 *****************************************************************************/
@implementation VLCOutput

- (id)init
{
    self = [super init];
    o_mrl = [[NSString alloc] init];
    o_transcode = [[NSString alloc] init];
    return self;
}

- (void)dealloc
{
    [o_mrl release];
    [o_transcode release];
    [super dealloc];
}

- (void)setMRL:(NSString *)o_mrl_string
{
    [o_mrl autorelease];
    o_mrl = [o_mrl_string copy];
}

- (void)setTranscode:(NSString *)o_transcode_string
{
    [o_transcode autorelease];
    o_transcode = [o_transcode_string copy];
}

- (void)awakeFromNib
{
    intf_thread_t * p_intf = [NSApp getIntf];
    char * psz_sout = config_GetPsz( p_intf, "sout" );

    if ( psz_sout != NULL && *psz_sout )
    {
        [o_output_ckbox setState: YES];
    }
    else
    {
        [o_output_ckbox setState: NO];
    }
    free(psz_sout);

    [self initStrings];
    
    [[NSNotificationCenter defaultCenter] addObserver: self
        selector: @selector(outputInfoChanged:)
        name: NSControlTextDidChangeNotification
        object: o_file_field];
    [[NSNotificationCenter defaultCenter] addObserver: self
        selector: @selector(outputInfoChanged:)
        name: NSControlTextDidChangeNotification
        object: o_stream_address];
    [[NSNotificationCenter defaultCenter] addObserver: self
        selector: @selector(outputInfoChanged:)
        name: NSControlTextDidChangeNotification
        object: o_stream_port];
    [[NSNotificationCenter defaultCenter] addObserver: self
        selector: @selector(TTLChanged:)
        name: NSControlTextDidChangeNotification
        object: o_stream_ttl];
    [[NSNotificationCenter defaultCenter] addObserver: self
        selector: @selector(transcodeInfoChanged:)
        name: NSControlTextDidChangeNotification
        object: o_transcode_video_bitrate];
    [[NSNotificationCenter defaultCenter] addObserver: self
        selector: @selector(transcodeInfoChanged:)
        name: NSControlTextDidChangeNotification
        object: o_transcode_audio_bitrate];

    [o_mux_selector setAutoenablesItems: NO];
    [self transcodeChanged:nil];
}

- (void)initStrings
{
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    NSArray *o_a_bitrates = [NSArray arrayWithObjects:@"96", @"128", @"192", @"256", @"512", nil];
    NSArray *o_v_bitrates = [NSArray arrayWithObjects:
        @"100", @"150", @"200", @"400", @"500", @"500", @"750", @"1000", @"2000", @"3000", nil];
    
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    [o_output_ckbox setTitle: _NS("Advanced output:")];
    [o_output_settings setTitle: _NS("Settings...")];
    [o_btn_ok setTitle: _NS("OK")];
    
    [o_options_lbl setTitle: _NS("Output Options")];
    [o_display setTitle: _NS("Screen")];
    [[o_method cellAtRow:0 column:0] setTitle: _NS("File")];
    [[o_method cellAtRow:1 column:0] setTitle: _NS("Stream")];
    [o_btn_browse setTitle: _NS("Browse...")]; 
    [o_stream_address_lbl setStringValue: _NS("Address")];
    [o_stream_port_lbl setStringValue: _NS("Port")];
    [o_stream_ttl_lbl setStringValue: _NS("TTL")];
    [[o_stream_type itemAtIndex: 0] setTitle: _NS("HTTP")];
    [[o_stream_type itemAtIndex: 1] setTitle: _NS("UDP")];
    [[o_stream_type itemAtIndex: 2] setTitle: _NS("RTP")];
    [o_stream_type_lbl setStringValue: _NS("Type")];
    
    [o_mux_lbl setStringValue: _NS("Encapsulation Method")];
    [[o_mux_selector itemAtIndex: 0] setTitle: _NS("MPEG TS")];
    [[o_mux_selector itemAtIndex: 1] setTitle: _NS("MPEG PS")];
    [[o_mux_selector itemAtIndex: 2] setTitle: _NS("AVI")];
    [[o_mux_selector itemAtIndex: 3] setTitle: _NS("Ogg")];
    [[o_mux_selector itemAtIndex: 4] setTitle: _NS("mp4")];
    
    [o_transcode_lbl setTitle: _NS("Transcode options")];
    [o_transcode_video_chkbox setTitle: _NS("Video")];
    [[o_transcode_video_selector itemAtIndex: 0] setTitle: @"mpgv"];
    [[o_transcode_video_selector itemAtIndex: 1] setTitle: @"mp4v"];
    [[o_transcode_video_selector itemAtIndex: 2] setTitle: @"DIV1"];
    [[o_transcode_video_selector itemAtIndex: 3] setTitle: @"DIV2"];
    [[o_transcode_video_selector itemAtIndex: 4] setTitle: @"DIV3"];
    [[o_transcode_video_selector itemAtIndex: 5] setTitle: @"H263"];
    [[o_transcode_video_selector itemAtIndex: 6] setTitle: @"I263"];
    [[o_transcode_video_selector itemAtIndex: 7] setTitle: @"WMV1"];
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    [o_transcode_video_bitrate_lbl setStringValue: _NS("Bitrate (kb/s)")];
    [o_transcode_video_bitrate addItemsWithObjectValues: o_v_bitrates];
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    [o_transcode_audio_chkbox setTitle: _NS("Audio")];
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    [[o_transcode_audio_selector itemAtIndex: 0] setTitle: @"mpga"];
    [[o_transcode_audio_selector itemAtIndex: 1] setTitle: @"a52 "];
    [o_transcode_audio_bitrate_lbl setStringValue: _NS("Bitrate (kb/s)")];
    [o_transcode_audio_bitrate addItemsWithObjectValues: o_a_bitrates];
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}

- (IBAction)outputChanged:(id)sender;
{
    if ([o_output_ckbox state] == NSOnState)
    {
        [o_output_settings setEnabled:YES];
    }
    else
    {
        intf_thread_t * p_intf = [NSApp getIntf];
        config_PutPsz( p_intf, "sout", NULL );
        [o_output_settings setEnabled:NO];
    }
}

- (IBAction)outputSettings:(id)sender
{
    [NSApp beginSheet: o_output_sheet
        modalForWindow: o_open_panel
        modalDelegate: self
        didEndSelector: NULL
        contextInfo: nil];
}

- (IBAction)outputCloseSheet:(id)sender
{
    intf_thread_t * p_intf = [NSApp getIntf];
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    config_PutPsz( p_intf, "sout", [o_mrl UTF8String] );
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    [o_output_sheet orderOut:sender];
    [NSApp endSheet: o_output_sheet];
}

- (void)outputMethodChanged:(NSNotification *)o_notification
{
    NSString *o_mode;

    o_mode = [[o_method selectedCell] title];

    if( [o_mode isEqualToString: _NS("File")] )
    {
        [o_file_field setEnabled: YES];
        [o_btn_browse setEnabled: YES];
        [o_stream_address setEnabled: NO];
        [o_stream_port setEnabled: NO];
        [o_stream_ttl setEnabled: NO];
        [o_stream_port_stp setEnabled: NO];
        [o_stream_ttl_stp setEnabled: NO];
        [o_stream_type setEnabled: NO];
        [o_mux_selector setEnabled: YES];
        [[o_mux_selector itemAtIndex: 1] setEnabled: YES];
        [[o_mux_selector itemAtIndex: 2] setEnabled: YES];
        [[o_mux_selector itemAtIndex: 3] setEnabled: YES];
        [[o_mux_selector itemAtIndex: 4] setEnabled: YES];
    }
    else if( [o_mode isEqualToString: _NS("Stream")] )
    {
        [o_file_field setEnabled: NO];
        [o_btn_browse setEnabled: NO];
        [o_stream_port setEnabled: YES];
        [o_stream_port_stp setEnabled: YES];
        [o_stream_type setEnabled: YES];
        [o_mux_selector setEnabled: YES];
        
        o_mode = [o_stream_type titleOfSelectedItem];
        
        if( [o_mode isEqualToString: _NS("HTTP")] )
        {
            [o_stream_address setEnabled: YES];
            [o_stream_ttl setEnabled: NO];
            [o_stream_ttl_stp setEnabled: NO];
            [[o_mux_selector itemAtIndex: 1] setEnabled: YES];
            [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 3] setEnabled: YES];
            [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
        }
        else if( [o_mode isEqualToString: _NS("UDP")] )
        {
            [o_stream_address setEnabled: YES];
            [o_stream_ttl setEnabled: YES];
            [o_stream_ttl_stp setEnabled: YES];
            [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
        }
        else if( [o_mode isEqualToString: _NS("RTP")] )
        {
            [o_stream_address setEnabled: YES];
            [o_stream_ttl setEnabled: NO];
            [o_stream_ttl_stp setEnabled: NO];
            [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
        }
    }
    if( ![[o_mux_selector selectedItem] isEnabled] )
    {
        [o_mux_selector selectItemAtIndex: 0];
    }
    [self outputInfoChanged: nil];
}

- (void)outputInfoChanged:(NSNotification *)o_notification
{
    NSString *o_mode, *o_mux, *o_mux_string;
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    NSMutableString *o_mrl_string = [NSMutableString stringWithString:@"#"];
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    [o_mrl_string appendString: o_transcode];
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    if( [o_display state] == NSOnState )
    {
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        [o_mrl_string appendString: @"duplicate{dst=display,dst="];
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    }

    o_mode = [[o_method selectedCell] title];
    o_mux = [o_mux_selector titleOfSelectedItem];

    if ( [o_mux isEqualToString: _NS("AVI")] ) o_mux_string = @"avi";
    else if ( [o_mux isEqualToString: _NS("Ogg")] ) o_mux_string = @"ogg";
    else if ( [o_mux isEqualToString: _NS("MPEG PS")] ) o_mux_string = @"ps";
    else if ( [o_mux isEqualToString: _NS("mp4")] ) o_mux_string = @"mp4";
    else o_mux_string = @"ts";

    if( [o_mode isEqualToString: _NS("File")] )
    {
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        [o_mrl_string appendFormat:
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                        @"std{access=file,mux=%@,url=\"%@\"}",
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                        o_mux_string, [o_file_field stringValue]];
    }
    else if( [o_mode isEqualToString: _NS("Stream")] )
    {
        o_mode = [o_stream_type titleOfSelectedItem];
        
        if ( [o_mode isEqualToString: _NS("HTTP")] ) o_mode = @"http";
        else if ( [o_mode isEqualToString: _NS("UDP")] )
            o_mode = @"udp";
        else if ( [o_mode isEqualToString: _NS("RTP")] )
            o_mode = @"rtp";
            
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        [o_mrl_string appendFormat:
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                        @"std{access=%@,mux=%@,url=\"%@:%@\"}",
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                        o_mode, o_mux_string, [o_stream_address stringValue],
                        [o_stream_port stringValue]];
    }
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    if( [o_display state] == NSOnState )
    {
        [o_mrl_string appendString: @"}"];
    }
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    [self setMRL:o_mrl_string];
}

- (void)TTLChanged:(NSNotification *)o_notification
{
    intf_thread_t * p_intf = [NSApp getIntf];
    config_PutInt( p_intf, "ttl", [o_stream_ttl intValue] );
}

- (IBAction)outputFileBrowse:(id)sender
{
    NSSavePanel *o_save_panel = [NSSavePanel savePanel];
    NSString *o_mux_string;
    if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: _NS("MPEG PS")] )
        o_mux_string = @"vob";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: _NS("AVI")] )
        o_mux_string = @"avi";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: _NS("Ogg")] )
        o_mux_string = @"ogm";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: _NS("mp4")] )
        o_mux_string = @"mp4";
    else
        o_mux_string = @"ts";

    NSString * o_name = [NSString stringWithFormat: @"vlc-output.%@",
                         o_mux_string];

    [o_save_panel setTitle: _NS("Save File")];
    [o_save_panel setPrompt: _NS("Save")];

    if( [o_save_panel runModalForDirectory: nil
            file: o_name] == NSOKButton )
    {
        NSString *o_filename = [o_save_panel filename];
        [o_file_field setStringValue: o_filename];
        [self outputInfoChanged: nil];
    }
}

- (IBAction)streamPortStepperChanged:(id)sender
{
    [o_stream_port setIntValue: [o_stream_port_stp intValue]];
    [self outputInfoChanged: nil];
}

- (IBAction)streamTTLStepperChanged:(id)sender
{
    [o_stream_ttl setIntValue: [o_stream_ttl_stp intValue]];
    [self TTLChanged:nil];
}

- (void)transcodeChanged:(NSNotification *)o_notification
{
    if( [o_transcode_video_chkbox state] == NSOnState )
    {
        [o_transcode_video_selector setEnabled: YES];
        [o_transcode_video_bitrate setEnabled: YES];
    }
    else
    {
        [o_transcode_video_selector setEnabled: NO];
        [o_transcode_video_bitrate setEnabled: NO];
    }
    if( [o_transcode_audio_chkbox state] == NSOnState )
    {
        [o_transcode_audio_selector setEnabled: YES];
        [o_transcode_audio_bitrate setEnabled: YES];
    }
    else
    {
        [o_transcode_audio_selector setEnabled: NO];
        [o_transcode_audio_bitrate setEnabled: NO];
    }

    [self transcodeInfoChanged:nil];
}

- (void)transcodeInfoChanged:(NSNotification *)o_notification
{
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    NSMutableString *o_transcode_string;
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    if( [o_transcode_video_chkbox state] == NSOnState ||
        [o_transcode_audio_chkbox state] == NSOnState )
    {
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        o_transcode_string = [NSMutableString stringWithString:@"transcode{"];
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        if ( [o_transcode_video_chkbox state] == NSOnState )
        {
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            [o_transcode_string appendFormat: @"vcodec=\"%@\",vb=\"%@\"",
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                [o_transcode_video_selector titleOfSelectedItem],
                [o_transcode_video_bitrate stringValue]];
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            if ( [o_transcode_audio_chkbox state] == NSOnState )
            {
                [o_transcode_string appendString: @","];
            }
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        }
        if ( [o_transcode_audio_chkbox state] == NSOnState )
        {
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            [o_transcode_string appendFormat: @"acodec=\"%@\",ab=\"%@\"",
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                [o_transcode_audio_selector titleOfSelectedItem],
                [o_transcode_audio_bitrate stringValue]];
        }
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        [o_transcode_string appendString:@"}:"];
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    }
    else
    {
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        o_transcode_string = [NSString stringWithString:@""];
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    }
    [self setTranscode: o_transcode_string];
    [self outputInfoChanged:nil];
}

@end