es_out.c

VLC Player Source Code

    vlc_value_t       val, text;

    const char *psz_var;

    if( fmt->i_cat == AUDIO_ES )
        psz_var = "audio-es";
    else if( fmt->i_cat == VIDEO_ES )
        psz_var = "video-es";
    else if( fmt->i_cat == SPU_ES )
        psz_var = "spu-es";
    else
        return;

    if( b_delete )
    {
        if( b_teletext )
            var_SetInteger( p_sys->p_input, "teletext-es", -1 );

        val.i_int = i_id;
        var_Change( p_input, psz_var, VLC_VAR_DELCHOICE, &val, NULL );

        var_SetBool( p_sys->p_input, "intf-change", true );
        return;
    }

    /* Get the number of ES already added */
    var_Change( p_input, psz_var, VLC_VAR_CHOICESCOUNT, &val, NULL );
    if( val.i_int == 0 )
    {
        vlc_value_t val2;

        /* First one, we need to add the "Disable" choice */
        val2.i_int = -1; text.psz_string = _("Disable");
        var_Change( p_input, psz_var, VLC_VAR_ADDCHOICE, &val2, &text );
        val.i_int++;
    }

    /* Take care of the ES description */
    if( fmt->psz_description && *fmt->psz_description )
    {
        if( psz_language && *psz_language )
        {
            text.psz_string = malloc( strlen( fmt->psz_description) +
                                      strlen( psz_language ) + 10 );
            sprintf( text.psz_string, "%s - [%s]", fmt->psz_description,
                                                   psz_language );
        }
        else text.psz_string = strdup( fmt->psz_description );
    }
    else
    {
        if( psz_language && *psz_language )
        {
            if( asprintf( &text.psz_string, "%s %i - [%s]", _( "Track" ), val.i_int, psz_language ) == -1 )
                text.psz_string = NULL;
        }
        else
        {
            if( asprintf( &text.psz_string, "%s %i", _( "Track" ), val.i_int ) == -1 )
                text.psz_string = NULL;
        }
    }

    val.i_int = i_id;
    var_Change( p_input, psz_var, VLC_VAR_ADDCHOICE, &val, &text );

    free( text.psz_string );

    if( b_teletext )
    {
        if( var_GetInteger( p_sys->p_input, "teletext-es" ) < 0 )
            var_SetInteger( p_sys->p_input, "teletext-es", i_id );
    }

    var_SetBool( p_sys->p_input, "intf-change", true );
}

static void EsOutESVarUpdate( es_out_t *out, es_out_id_t *es,
                              bool b_delete )
{
    EsOutESVarUpdateGeneric( out, es->i_id, &es->fmt, es->psz_language, b_delete );
}

/* EsOutProgramSelect:
 *  Select a program and update the object variable
 */
static void EsOutProgramSelect( es_out_t *out, es_out_pgrm_t *p_pgrm )
{
    es_out_sys_t      *p_sys = out->p_sys;
    input_thread_t    *p_input = p_sys->p_input;
    vlc_value_t       val;
    int               i;

    if( p_sys->p_pgrm == p_pgrm )
        return; /* Nothing to do */

    if( p_sys->p_pgrm )
    {
        es_out_pgrm_t *old = p_sys->p_pgrm;
        msg_Dbg( p_input, "unselecting program id=%d", old->i_id );

        for( i = 0; i < p_sys->i_es; i++ )
        {
            if( p_sys->es[i]->p_pgrm == old && EsIsSelected( p_sys->es[i] ) &&
                p_sys->i_mode != ES_OUT_MODE_ALL )
                EsUnselect( out, p_sys->es[i], true );
        }

        p_sys->p_es_audio = NULL;
        p_sys->p_es_sub = NULL;
        p_sys->p_es_video = NULL;
    }

    msg_Dbg( p_input, "selecting program id=%d", p_pgrm->i_id );

    /* Mark it selected */
    p_pgrm->b_selected = true;

    /* Switch master stream */
    if( p_sys->p_pgrm && p_sys->p_pgrm->clock.b_master )
    {
        p_sys->p_pgrm->clock.b_master = false;
    }
    p_pgrm->clock.b_master = true;
    p_sys->p_pgrm = p_pgrm;

    /* Update "program" */
    val.i_int = p_pgrm->i_id;
    var_Change( p_input, "program", VLC_VAR_SETVALUE, &val, NULL );

    /* Update "es-*" */
    var_Change( p_input, "audio-es", VLC_VAR_CLEARCHOICES, NULL, NULL );
    var_Change( p_input, "video-es", VLC_VAR_CLEARCHOICES, NULL, NULL );
    var_Change( p_input, "spu-es",   VLC_VAR_CLEARCHOICES, NULL, NULL );
    var_SetInteger( p_input, "teletext-es", -1 );
    for( i = 0; i < p_sys->i_es; i++ )
    {
        if( p_sys->es[i]->p_pgrm == p_sys->p_pgrm )
            EsOutESVarUpdate( out, p_sys->es[i], false );
        EsOutSelect( out, p_sys->es[i], false );
    }

    /* Update now playing */
    input_item_SetNowPlaying( p_input->p->input.p_item,
                              p_pgrm->psz_now_playing );
    input_item_SetPublisher( p_input->p->input.p_item,
                             p_pgrm->psz_publisher );

    var_SetBool( p_sys->p_input, "intf-change", true );
}

/* EsOutAddProgram:
 *  Add a program
 */
static es_out_pgrm_t *EsOutProgramAdd( es_out_t *out, int i_group )
{
    es_out_sys_t      *p_sys = out->p_sys;
    input_thread_t    *p_input = p_sys->p_input;
    vlc_value_t       val;

    es_out_pgrm_t *p_pgrm = malloc( sizeof( es_out_pgrm_t ) );
    if( !p_pgrm ) return NULL;

    /* Init */
    p_pgrm->i_id = i_group;
    p_pgrm->i_es = 0;
    p_pgrm->b_selected = false;
    p_pgrm->psz_name = NULL;
    p_pgrm->psz_now_playing = NULL;
    p_pgrm->psz_publisher = NULL;
    p_pgrm->p_epg = NULL;
    input_ClockInit( &p_pgrm->clock, false, p_input->p->input.i_cr_average, p_sys->i_rate );

    /* Append it */
    TAB_APPEND( p_sys->i_pgrm, p_sys->pgrm, p_pgrm );

    /* Update "program" variable */
    val.i_int = i_group;
    var_Change( p_input, "program", VLC_VAR_ADDCHOICE, &val, NULL );

    if( i_group == var_GetInteger( p_input, "program" ) )
    {
        EsOutProgramSelect( out, p_pgrm );
    }
    else
    {
        var_SetBool( p_sys->p_input, "intf-change", true );
    }
    return p_pgrm;
}

/* EsOutDelProgram:
 *  Delete a program
 */
static int EsOutProgramDel( es_out_t *out, int i_group )
{
    es_out_sys_t      *p_sys = out->p_sys;
    input_thread_t    *p_input = p_sys->p_input;
    es_out_pgrm_t     *p_pgrm = NULL;
    vlc_value_t       val;
    int               i;

    for( i = 0; i < p_sys->i_pgrm; i++ )
    {
        if( p_sys->pgrm[i]->i_id == i_group )
        {
            p_pgrm = p_sys->pgrm[i];
            break;
        }
    }

    if( p_pgrm == NULL )
        return VLC_EGENERIC;

    if( p_pgrm->i_es )
    {
        msg_Dbg( p_input, "can't delete program %d which still has %i ES",
                 i_group, p_pgrm->i_es );
        return VLC_EGENERIC;
    }

    TAB_REMOVE( p_sys->i_pgrm, p_sys->pgrm, p_pgrm );

    /* If program is selected we need to unselect it */
    if( p_sys->p_pgrm == p_pgrm ) p_sys->p_pgrm = NULL;

    free( p_pgrm->psz_name );
    free( p_pgrm->psz_now_playing );
    free( p_pgrm->psz_publisher );
    if( p_pgrm->p_epg )
        vlc_epg_Delete( p_pgrm->p_epg );
    free( p_pgrm );

    /* Update "program" variable */
    val.i_int = i_group;
    var_Change( p_input, "program", VLC_VAR_DELCHOICE, &val, NULL );

    var_SetBool( p_sys->p_input, "intf-change", true );

    return VLC_SUCCESS;
}

/* EsOutProgramMeta:
 */
static char *EsOutProgramGetMetaName( es_out_pgrm_t *p_pgrm )
{
    char *psz = NULL;
    if( p_pgrm->psz_name )
    {
        if( asprintf( &psz, _("%s [%s %d]"), p_pgrm->psz_name, _("Program"), p_pgrm->i_id ) == -1 )
            return NULL;
    }
    else
    {
        if( asprintf( &psz, "%s %d", _("Program"), p_pgrm->i_id ) == -1 )
            return NULL;
    }
    return psz;
}

static void EsOutProgramMeta( es_out_t *out, int i_group, vlc_meta_t *p_meta )
{
    es_out_sys_t      *p_sys = out->p_sys;
    es_out_pgrm_t     *p_pgrm = NULL;
    input_thread_t    *p_input = p_sys->p_input;
    char              *psz_cat;
    const char        *psz_title = NULL;
    const char        *psz_provider = NULL;
    int i;

    msg_Dbg( p_input, "EsOutProgramMeta: number=%d", i_group );

    /* Check against empty meta data (empty for what we handle) */
    if( !vlc_meta_Get( p_meta, vlc_meta_Title) &&
        !vlc_meta_Get( p_meta, vlc_meta_NowPlaying) &&
        !vlc_meta_Get( p_meta, vlc_meta_Publisher) &&
        vlc_dictionary_keys_count( &p_meta->extra_tags ) <= 0 )
    {
        return;
    }
    /* Find program */
    for( i = 0; i < p_sys->i_pgrm; i++ )
    {
        if( p_sys->pgrm[i]->i_id == i_group )
        {
            p_pgrm = p_sys->pgrm[i];
            break;
        }
    }
    if( p_pgrm == NULL )
        p_pgrm = EsOutProgramAdd( out, i_group );   /* Create it */

    /* */
    psz_title = vlc_meta_Get( p_meta, vlc_meta_Title);
    psz_provider = vlc_meta_Get( p_meta, vlc_meta_Publisher);

    /* Update the description text of the program */
    if( psz_title && *psz_title )
    {
        vlc_value_t val;
        vlc_value_t text;

        if( !p_pgrm->psz_name || strcmp( p_pgrm->psz_name, psz_title ) )
        {
            char *psz_cat = EsOutProgramGetMetaName( p_pgrm );

            /* Remove old entries */
            input_Control( p_input, INPUT_DEL_INFO, psz_cat, NULL );
            /* TODO update epg name */
            free( psz_cat );
        }
        free( p_pgrm->psz_name );
        p_pgrm->psz_name = strdup( psz_title );

        /* ugly but it works */
        val.i_int = i_group;
        var_Change( p_input, "program", VLC_VAR_DELCHOICE, &val, NULL );

        if( psz_provider && *psz_provider )
        {
            if( asprintf( &text.psz_string, "%s [%s]", psz_title, psz_provider ) != -1 )
            {
                var_Change( p_input, "program", VLC_VAR_ADDCHOICE, &val, &text );
                free( text.psz_string );
            }
        }
        else
        {
            text.psz_string = (char *)psz_title;
            var_Change( p_input, "program", VLC_VAR_ADDCHOICE, &val, &text );
        }
    }

    psz_cat = EsOutProgramGetMetaName( p_pgrm );
    if( psz_provider )
    {
        if( p_sys->p_pgrm == p_pgrm )
            input_item_SetPublisher( p_input->p->input.p_item, psz_provider );
        input_Control( p_input, INPUT_ADD_INFO, psz_cat, input_MetaTypeToLocalizedString(vlc_meta_Publisher), psz_provider );
    }
    char ** ppsz_all_keys = vlc_dictionary_all_keys( &p_meta->extra_tags );
    for( i = 0; ppsz_all_keys[i]; i++ )
    {
        input_Control( p_input, INPUT_ADD_INFO, psz_cat, _(ppsz_all_keys[i]),
                       vlc_dictionary_value_for_key( &p_meta->extra_tags, ppsz_all_keys[i] ) );
        free( ppsz_all_keys[i] );
    }
    free( ppsz_all_keys );

    free( psz_cat );
}

static void vlc_epg_Merge( vlc_epg_t *p_dst, const vlc_epg_t *p_src )
{
    int i;

    /* Add new event */
    for( i = 0; i < p_src->i_event; i++ )
    {
        vlc_epg_event_t *p_evt = p_src->pp_event[i];
        bool b_add = true;
        int j;

        for( j = 0; j < p_dst->i_event; j++ )
        {
            if( p_dst->pp_event[j]->i_start == p_evt->i_start && p_dst->pp_event[j]->i_duration == p_evt->i_duration )
            {
                b_add = false;
                break;
            }
            if( p_dst->pp_event[j]->i_start > p_evt->i_start )
                break;
        }
        if( b_add )
        {
            vlc_epg_event_t *p_copy = malloc( sizeof(vlc_epg_event_t) );
            if( !p_copy )
                break;
            memset( p_copy, 0, sizeof(vlc_epg_event_t) );
            p_copy->i_start = p_evt->i_start;
            p_copy->i_duration = p_evt->i_duration;
            p_copy->psz_name = p_evt->psz_name ? strdup( p_evt->psz_name ) : NULL;
            p_copy->psz_short_description = p_evt->psz_short_description ? strdup( p_evt->psz_short_description ) : NULL;
            p_copy->psz_description = p_evt->psz_description ? strdup( p_evt->psz_description ) : NULL;
            TAB_INSERT( p_dst->i_event, p_dst->pp_event, p_copy, j );
        }
    }
    /* Update current */
    vlc_epg_SetCurrent( p_dst, p_src->p_current ? p_src->p_current->i_start : -1 );

    /* Keep only 1 old event  */
    if( p_dst->p_current )
    {
        while( p_dst->i_event > 1 && p_dst->pp_event[0] != p_dst->p_current && p_dst->pp_event[1] != p_dst->p_current )
            TAB_REMOVE( p_dst->i_event, p_dst->pp_event, p_dst->pp_event[0] );
    }
}

static void EsOutProgramEpg( es_out_t *out, int i_group, vlc_epg_t *p_epg )
{
    es_out_sys_t      *p_sys = out->p_sys;
    input_thread_t    *p_input = p_sys->p_input;
    es_out_pgrm_t     *p_pgrm = NULL;
    char *psz_cat;
    int i;

    /* Find program */
    for( i = 0; i < p_sys->i_pgrm; i++ )
    {
        if( p_sys->pgrm[i]->i_id == i_group )
        {
            p_pgrm = p_sys->pgrm[i];
            break;
        }
    }
    if( p_pgrm == NULL )
        p_pgrm = EsOutProgramAdd( out, i_group );   /* Create it */

    /* Merge EPG */
    if( !p_pgrm->p_epg )
        p_pgrm->p_epg = vlc_epg_New( p_pgrm->psz_name );
    vlc_epg_Merge( p_pgrm->p_epg, p_epg );

    /* Update info */
    psz_cat = EsOutProgramGetMetaName( p_pgrm );
#ifdef HAVE_LOCALTIME_R