es_out.c

VLC Player Source Code

    char *psz_epg;
    if( asprintf( &psz_epg, "EPG %s", psz_cat ) == -1 )
        psz_epg = NULL;
    input_Control( p_input, INPUT_DEL_INFO, psz_epg, NULL );
    msg_Dbg( p_input, "EsOutProgramEpg: number=%d name=%s", i_group, p_pgrm->p_epg->psz_name );
    for( i = 0; i < p_pgrm->p_epg->i_event; i++ )
    {
        const vlc_epg_event_t *p_evt = p_pgrm->p_epg->pp_event[i];
        time_t t_start = (time_t)p_evt->i_start;
        struct tm tm_start;
        char psz_start[128];

        localtime_r( &t_start, &tm_start );

        snprintf( psz_start, sizeof(psz_start), "%2.2d:%2.2d:%2.2d", tm_start.tm_hour, tm_start.tm_min, tm_start.tm_sec );
        if( p_evt->psz_short_description || p_evt->psz_description )
            input_Control( p_input, INPUT_ADD_INFO, psz_epg, psz_start, "%s (%2.2d:%2.2d) - %s",
                           p_evt->psz_name,
                           p_evt->i_duration/60/60, (p_evt->i_duration/60)%60,
                           p_evt->psz_short_description ? p_evt->psz_short_description : p_evt->psz_description );
        else
            input_Control( p_input, INPUT_ADD_INFO, psz_epg, psz_start, "%s (%2.2d:%2.2d)",
                           p_evt->psz_name,
                           p_evt->i_duration/60/60, (p_evt->i_duration/60)%60 );
    }
    free( psz_epg );
#endif
    /* Update now playing */
    free( p_pgrm->psz_now_playing );
    p_pgrm->psz_now_playing = NULL;
    if( p_epg->p_current && p_epg->p_current->psz_name && *p_epg->p_current->psz_name )
        p_pgrm->psz_now_playing = strdup( p_epg->p_current->psz_name );

    if( p_pgrm == p_sys->p_pgrm )
        input_item_SetNowPlaying( p_input->p->input.p_item, p_pgrm->psz_now_playing );

    if( p_pgrm->psz_now_playing )
    {
        input_Control( p_input, INPUT_ADD_INFO, psz_cat,
            input_MetaTypeToLocalizedString(vlc_meta_NowPlaying),
            p_pgrm->psz_now_playing );
    }
    else
    {
        input_Control( p_input, INPUT_DEL_INFO, psz_cat,
            input_MetaTypeToLocalizedString(vlc_meta_NowPlaying) );
    }

    free( psz_cat );
}

/* EsOutAdd:
 *  Add an es_out
 */
static es_out_id_t *EsOutAdd( es_out_t *out, es_format_t *fmt )
{
    es_out_sys_t      *p_sys = out->p_sys;
    input_thread_t    *p_input = p_sys->p_input;

    es_out_id_t       *es = malloc( sizeof( es_out_id_t ) );
    es_out_pgrm_t     *p_pgrm = NULL;
    int i;

    if( !es ) return NULL;

    if( fmt->i_group < 0 )
    {
        msg_Err( p_input, "invalid group number" );
        free( es );
        return NULL;
    }

    /* Search the program */
    for( i = 0; i < p_sys->i_pgrm; i++ )
    {
        if( fmt->i_group == p_sys->pgrm[i]->i_id )
        {
            p_pgrm = p_sys->pgrm[i];
            break;
        }
    }
    if( p_pgrm == NULL )
    {
        /* Create a new one */
        p_pgrm = EsOutProgramAdd( out, fmt->i_group );
    }

    /* Increase ref count for program */
    p_pgrm->i_es++;

    /* Set up ES */
    if( fmt->i_id < 0 )
        fmt->i_id = out->p_sys->i_id;
    es->i_id = fmt->i_id;
    es->p_pgrm = p_pgrm;
    es_format_Copy( &es->fmt, fmt );
    es->i_preroll_end = -1;

    switch( fmt->i_cat )
    {
    case AUDIO_ES:
    {
        audio_replay_gain_t rg;

        es->i_channel = p_sys->i_audio;

        vlc_mutex_lock( &p_input->p->input.p_item->lock );
        memset( &rg, 0, sizeof(rg) );
        vlc_audio_replay_gain_MergeFromMeta( &rg, p_input->p->input.p_item->p_meta );
        vlc_mutex_unlock( &p_input->p->input.p_item->lock );

        for( i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
        {
            if( !es->fmt.audio_replay_gain.pb_peak[i] )
            {
                es->fmt.audio_replay_gain.pb_peak[i] = rg.pb_peak[i];
                es->fmt.audio_replay_gain.pf_peak[i] = rg.pf_peak[i];
            }
            if( !es->fmt.audio_replay_gain.pb_gain[i] )
            {
                es->fmt.audio_replay_gain.pb_gain[i] = rg.pb_gain[i];
                es->fmt.audio_replay_gain.pf_gain[i] = rg.pf_gain[i];
            }
        }
        break;
    }

    case VIDEO_ES:
        es->i_channel = p_sys->i_video;
        if( fmt->video.i_frame_rate && fmt->video.i_frame_rate_base )
            vlc_ureduce( &es->fmt.video.i_frame_rate,
                         &es->fmt.video.i_frame_rate_base,
                         fmt->video.i_frame_rate,
                         fmt->video.i_frame_rate_base, 0 );
        break;

    case SPU_ES:
        es->i_channel = p_sys->i_sub;
        break;

    default:
        es->i_channel = 0;
        break;
    }
    es->psz_language = LanguageGetName( fmt->psz_language ); /* remember so we only need to do it once */
    es->psz_language_code = LanguageGetCode( fmt->psz_language );
    es->p_dec = NULL;
    for( i = 0; i < 4; i++ )
        es->pb_cc_present[i] = false;
    es->p_master = false;

    if( es->p_pgrm == p_sys->p_pgrm )
        EsOutESVarUpdate( out, es, false );

    /* Select it if needed */
    EsOutSelect( out, es, false );


    TAB_APPEND( out->p_sys->i_es, out->p_sys->es, es );
    p_sys->i_id++;  /* always incremented */
    switch( fmt->i_cat )
    {
        case AUDIO_ES:
            p_sys->i_audio++;
            break;
        case SPU_ES:
            p_sys->i_sub++;
            break;
        case VIDEO_ES:
            p_sys->i_video++;
            break;
    }

    EsOutAddInfo( out, es );

    return es;
}

static bool EsIsSelected( es_out_id_t *es )
{
    if( es->p_master )
    {
        bool b_decode = false;
        if( es->p_master->p_dec )
        {
            int i_channel = EsOutGetClosedCaptionsChannel( es->fmt.i_codec );
            if( i_channel != -1 )
                input_DecoderGetCcState( es->p_master->p_dec, &b_decode, i_channel );
        }
        return b_decode;
    }
    else
    {
        return es->p_dec != NULL;
    }
}
static void EsSelect( es_out_t *out, es_out_id_t *es )
{
    es_out_sys_t   *p_sys = out->p_sys;
    input_thread_t *p_input = p_sys->p_input;
    vlc_value_t    val;
    const char     *psz_var;

    if( EsIsSelected( es ) )
    {
        msg_Warn( p_input, "ES 0x%x is already selected", es->i_id );
        return;
    }

    if( es->p_master )
    {
        int i_channel;
        if( !es->p_master->p_dec )
            return;

        i_channel = EsOutGetClosedCaptionsChannel( es->fmt.i_codec );
        if( i_channel == -1 || input_DecoderSetCcState( es->p_master->p_dec, true, i_channel ) )
            return;
    }
    else
    {
        if( es->fmt.i_cat == VIDEO_ES || es->fmt.i_cat == SPU_ES )
        {
            if( !var_GetBool( p_input, out->b_sout ? "sout-video" : "video" ) )
            {
                msg_Dbg( p_input, "video is disabled, not selecting ES 0x%x",
                         es->i_id );
                return;
            }
        }
        else if( es->fmt.i_cat == AUDIO_ES )
        {
            var_Get( p_input, "audio", &val );
            if( !var_GetBool( p_input, out->b_sout ? "sout-audio" : "audio" ) )
            {
                msg_Dbg( p_input, "audio is disabled, not selecting ES 0x%x",
                         es->i_id );
                return;
            }
        }
        if( es->fmt.i_cat == SPU_ES )
        {
            var_Get( p_input, "spu", &val );
            if( !var_GetBool( p_input, out->b_sout ? "sout-spu" : "spu" ) )
            {
                msg_Dbg( p_input, "spu is disabled, not selecting ES 0x%x",
                         es->i_id );
                return;
            }
        }

        es->i_preroll_end = -1;
        es->p_dec = input_DecoderNew( p_input, &es->fmt, false );
        if( es->p_dec == NULL || es->p_pgrm != p_sys->p_pgrm )
            return;
    }

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

    /* Mark it as selected */
    val.i_int = es->i_id;
    var_Change( p_input, psz_var, VLC_VAR_SETVALUE, &val, NULL );

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

static void EsUnselect( es_out_t *out, es_out_id_t *es, bool b_update )
{
    es_out_sys_t   *p_sys = out->p_sys;
    input_thread_t *p_input = p_sys->p_input;
    vlc_value_t    val;
    const char     *psz_var;

    if( !EsIsSelected( es ) )
    {
        msg_Warn( p_input, "ES 0x%x is already unselected", es->i_id );
        return;
    }

    if( es->p_master )
    {
        if( es->p_master->p_dec )
        {
            int i_channel = EsOutGetClosedCaptionsChannel( es->fmt.i_codec );
            if( i_channel != -1 )
                input_DecoderSetCcState( es->p_master->p_dec, false, i_channel );
        }
    }
    else
    {
        const int i_spu_id = var_GetInteger( p_input, "spu-es");
        int i;
        for( i = 0; i < 4; i++ )
        {
            if( !es->pb_cc_present[i] || !es->pp_cc_es[i] )
                continue;

            if( i_spu_id == es->pp_cc_es[i]->i_id )
            {
                /* Force unselection of the CC */
                val.i_int = -1;
                var_Change( p_input, "spu-es", VLC_VAR_SETVALUE, &val, NULL );
                if( !b_update )
                    var_SetBool( p_sys->p_input, "intf-change", true );
            }
            EsOutDel( out, es->pp_cc_es[i] );

            es->pb_cc_present[i] = false;
        }
        input_DecoderDelete( es->p_dec );
        es->p_dec = NULL;
    }

    if( !b_update )
        return;

    /* Update var */
    if( es->p_dec == NULL )
        return;
    if( es->fmt.i_cat == VIDEO_ES )
        psz_var = "video-es";
    else if( es->fmt.i_cat == AUDIO_ES )
        psz_var = "audio-es";
    else if( es->fmt.i_cat == SPU_ES )
        psz_var = "spu-es";
    else
        return;

    /* Mark it as unselected */
    val.i_int = -1;
    var_Change( p_input, psz_var, VLC_VAR_SETVALUE, &val, NULL );

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

/**
 * Select an ES given the current mode
 * XXX: you need to take a the lock before (stream.stream_lock)
 *
 * \param out The es_out structure
 * \param es es_out_id structure
 * \param b_force ...
 * \return nothing
 */
static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
{
    es_out_sys_t      *p_sys = out->p_sys;

    int i_cat = es->fmt.i_cat;

    if( !p_sys->b_active ||
        ( !b_force && es->fmt.i_priority < 0 ) )
    {
        return;
    }

    if( p_sys->i_mode == ES_OUT_MODE_ALL || b_force )
    {
        if( !EsIsSelected( es ) )
            EsSelect( out, es );
    }
    else if( p_sys->i_mode == ES_OUT_MODE_PARTIAL )
    {
        vlc_value_t val;
        int i;
        var_Get( p_sys->p_input, "programs", &val );
        for ( i = 0; i < val.p_list->i_count; i++ )
        {
            if ( val.p_list->p_values[i].i_int == es->p_pgrm->i_id || b_force )
            {
                if( !EsIsSelected( es ) )
                    EsSelect( out, es );
                break;
            }
        }
        var_Change( p_sys->p_input, "programs", VLC_VAR_FREELIST, &val, NULL );
    }
    else if( p_sys->i_mode == ES_OUT_MODE_AUTO )
    {
        int i_wanted  = -1;

        if( es->p_pgrm != p_sys->p_pgrm )
            return;

        if( i_cat == AUDIO_ES )
        {
            int idx1 = LanguageArrayIndex( p_sys->ppsz_audio_language,
                                     es->psz_language_code );

            if( p_sys->p_es_audio &&
                p_sys->p_es_audio->fmt.i_priority >= es->fmt.i_priority )
            {
                int idx2 = LanguageArrayIndex( p_sys->ppsz_audio_language,
                                         p_sys->p_es_audio->psz_language_code );

                if( idx1 < 0 || ( idx2 >= 0 && idx2 <= idx1 ) )
                    return;
                i_wanted = es->i_channel;
            }
            else
            {
                /* Select audio if (no audio selected yet)
                 * - no audio-language
                 * - no audio code for the ES
                 * - audio code in the requested list */
                if( idx1 >= 0 ||
                    !strcmp( es->psz_language_code, "??" ) ||
                    !p_sys->ppsz_audio_language )
                    i_wanted = es->i_channel;
            }

            if( p_sys->i_audio_last >= 0 )
                i_wanted = p_sys->i_audio_last;

            if( p_sys->i_audio_id >= 0 )
            {
                if( es->i_id == p_sys->i_audio_id )
                    i_wanted = es->i_channel;
                else