[vlc-devel] [PATCH 05/20] input: add INPUT_CONTROL_SET_ES_LIST

Thomas Guillem thomas at gllm.fr
Fri Jun 21 10:41:46 CEST 2019



On Fri, Jun 21, 2019, at 06:57, Roland Bewick wrote:
> 
> On 20/06/2019 10:23 PM, Thomas Guillem wrote:
> > From: Roland Bewick <roland.bewick at gmail.com>
> >
> > Signed-off-by: Thomas Guillem <thomas at gllm.fr>
> > ---
> >   include/vlc_es_out.h                          |  1 +
> >   modules/access/bluray.c                       |  1 +
> >   modules/demux/adaptive/plumbing/FakeESOut.cpp |  1 +
> >   src/input/es_out.c                            | 44 +++++++++++++++++++
> >   src/input/es_out_timeshift.c                  |  1 +
> >   src/input/input.c                             | 41 +++++++++++++++++
> >   src/input/input_internal.h                    |  5 +++
> >   7 files changed, 94 insertions(+)
> >
> > diff --git a/include/vlc_es_out.h b/include/vlc_es_out.h
> > index 06b6a8f338..8ee4ef0be1 100644
> > --- a/include/vlc_es_out.h
> > +++ b/include/vlc_es_out.h
> > @@ -36,6 +36,7 @@ enum es_out_query_e
> >   {
> >       /* set or change the selected ES in its category (audio/video/spu) */
> >       ES_OUT_SET_ES,      /* arg1= es_out_id_t*                   */
> > +    ES_OUT_SET_ES_LIST, /* arg1= es_out_id_t *const* (null terminated array) */
> >       ES_OUT_UNSET_ES,    /* arg1= es_out_id_t* res=can fail      */
> >       ES_OUT_RESTART_ES,  /* arg1= es_out_id_t*                   */
> >   
> > diff --git a/modules/access/bluray.c b/modules/access/bluray.c
> > index 95f1afe389..b12a416e36 100644
> > --- a/modules/access/bluray.c
> > +++ b/modules/access/bluray.c
> > @@ -1546,6 +1546,7 @@ static int bluray_esOutControl(es_out_t *p_out, int i_query, va_list args)
> >   
> >           case ES_OUT_SET_ES_DEFAULT:
> >           case ES_OUT_SET_ES:
> > +        case ES_OUT_SET_ES_LIST:
> >           case ES_OUT_UNSET_ES:
> >           case ES_OUT_SET_ES_STATE:
> >               i_ret = VLC_EGENERIC;
> > diff --git a/modules/demux/adaptive/plumbing/FakeESOut.cpp b/modules/demux/adaptive/plumbing/FakeESOut.cpp
> > index 69d00f7e7f..f1f274e0cf 100644
> > --- a/modules/demux/adaptive/plumbing/FakeESOut.cpp
> > +++ b/modules/demux/adaptive/plumbing/FakeESOut.cpp
> > @@ -470,6 +470,7 @@ int FakeESOut::esOutControl_Callback(es_out_t *fakees, int i_query, va_list args
> >           }
> >   
> >           case ES_OUT_SET_ES:
> > +        case ES_OUT_SET_ES_LIST:
> >           case ES_OUT_SET_ES_DEFAULT:
> >           case ES_OUT_SET_ES_STATE:
> >               return VLC_SUCCESS;
> > diff --git a/src/input/es_out.c b/src/input/es_out.c
> > index 1da90c76fa..366c9e65c7 100644
> > --- a/src/input/es_out.c
> > +++ b/src/input/es_out.c
> > @@ -220,6 +220,8 @@ static void         EsOutDel    ( es_out_t *, es_out_id_t * );
> >   
> >   static void         EsOutTerminate( es_out_t * );
> >   static void         EsOutSelect( es_out_t *, es_out_id_t *es, bool b_force );
> > +static void         EsOutSelectList( es_out_t *, enum es_format_category_e cat,
> > +                                     vlc_es_id_t *const* es_id_list );
> >   static void         EsOutUpdateInfo( es_out_t *, es_out_id_t *es, const vlc_meta_t * );
> >   static int          EsOutSetRecord(  es_out_t *, bool b_record );
> >   
> > @@ -2219,6 +2221,41 @@ static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
> >           p_esprops->p_main_es = es;
> >   }
> >   
> > +static void EsOutSelectList( es_out_t *out, enum es_format_category_e cat,
> > +                             vlc_es_id_t * const*es_id_list )
> > +{
> > +
> > +    es_out_sys_t *p_sys = container_of(out, es_out_sys_t, out);
> > +    es_out_id_t *other;
> > +
> > +    foreach_es_then_es_slaves(other)
> > +    {
> > +        if( other->fmt.i_cat == cat )
> > +        {
> > +            bool select = false;
> > +            for( size_t i = 0; ; i++ )
> > +            {
> > +                vlc_es_id_t *es_id = es_id_list[i];
> > +                if( es_id == NULL )
> > +                    break;
> > +                else if( es_id->i_id == other->id.i_id )
> > +                {
> > +                    select = true;
> > +                    break;
> > +                }
> > +            }
> > +            if( !select && EsIsSelected( other ) )
> > +            {
> > +                EsOutUnselectEs( out, other, other->p_pgrm == p_sys->p_pgrm );
> > +            }
> > +            else if( select && !EsIsSelected( other ) )
> > +            {
> > +                EsOutSelectEs( out, other );
> > +            }
> > +        }
> > +    }
> > +}
> > +
> >   static void EsOutCreateCCChannels( es_out_t *out, vlc_fourcc_t codec, uint64_t i_bitmap,
> >                                      const char *psz_descfmt, es_out_id_t *parent )
> >   {
> > @@ -2668,6 +2705,13 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
> >           EsOutStopFreeVout( out );
> >           return VLC_SUCCESS;
> >       }
> > +    case ES_OUT_SET_ES_LIST:
> > +    {
> > +        enum es_format_category_e cat = va_arg( args, enum es_format_category_e );
> > +        vlc_es_id_t *const*es_id_list = va_arg( args, vlc_es_id_t ** );
> > +        EsOutSelectList( out, cat, es_id_list );
> > +        return VLC_SUCCESS;
> > +    }
> >       case ES_OUT_UNSET_ES:
> >       {
> >           es_out_id_t *es = va_arg( args, es_out_id_t * ), *other;
> > diff --git a/src/input/es_out_timeshift.c b/src/input/es_out_timeshift.c
> > index cff9691d71..2fd8855251 100644
> > --- a/src/input/es_out_timeshift.c
> > +++ b/src/input/es_out_timeshift.c
> > @@ -737,6 +737,7 @@ static int ControlLocked( es_out_t *p_out, int i_query, va_list args )
> >   
> >       /* Invalid queries for this es_out level */
> >       case ES_OUT_SET_ES_BY_ID:
> > +    case ES_OUT_SET_ES_LIST:
> >       case ES_OUT_RESTART_ES_BY_ID:
> >       case ES_OUT_SET_ES_DEFAULT_BY_ID:
> >       case ES_OUT_STOP_ALL_ES:
> > diff --git a/src/input/input.c b/src/input/input.c
> > index efc338f33c..ab96f29afa 100644
> > --- a/src/input/input.c
> > +++ b/src/input/input.c
> > @@ -1594,6 +1594,18 @@ static void ControlRelease( int i_type, const input_control_param_t *p_param )
> >       case INPUT_CONTROL_RESTART_ES:
> >           vlc_es_id_Release( p_param->id );
> >           break;
> > +    case INPUT_CONTROL_SET_ES_LIST:
> > +    {
> > +        for (size_t i = 0; ; i++)
> > +        {
> > +            vlc_es_id_t *es_id = p_param->list.ids[i];
> > +            if (es_id == NULL)
> > +                break;
> > +            vlc_es_id_Release(es_id);
> > +        }
> > +        free(p_param->list.ids);
> > +        break;
> > +    }
> >   
> >       default:
> >           break;
> > @@ -2013,6 +2025,35 @@ static bool Control( input_thread_t *p_input,
> >                   demux_Control( input_priv(p_input)->master->p_demux, DEMUX_SET_ES,
> >                                  vlc_es_id_GetInputId( param.id ) );
> >               break;
> > +        case INPUT_CONTROL_SET_ES_LIST:
> > +        {
> > +            if( es_out_Control( input_priv(p_input)->p_es_out_display,
> > +                                ES_OUT_SET_ES_LIST, param.list.cat,
> > +                                param.list.ids ) == VLC_SUCCESS )
> > +            {
> > +                if( param.list.ids[0] != NULL && param.list.ids[1] == NULL )
> > +                    demux_Control( input_priv(p_input)->master->p_demux, DEMUX_SET_ES,
> > +                                   vlc_es_id_GetInputId( param.list.ids[0] ) );
> 
> If two tracks were selected previously and now we want to select a 
> single track, is it OK to use DEMUX_SET_ES instead of DEMUX_SET_ES_LIST?

For me, yes, I don't see any problem. DEMUX_SET_ES is like DEMUX_SET_ES_LIST for only one track.

> 
> DEMUX_SET_ES would then have to disable all ids except the given id. It 
> looks like it won't cause any issues with the current demuxers because 
> they seem to only support single selection, but it's inconsistent with 
> how the ES selection works.

Yes. How is it inconsistent ?

> 
> > +                else
> > +                {
> > +                    /* Send an array of int id from the array of es_id to the
> > +                     * demux */
> > +                    size_t count;
> > +                    for (count = 0; param.list.ids[count] != NULL; count++);
> > +
> > +                    int *ids = count ? vlc_alloc(count, sizeof(int)) : NULL;
> > +                    if (count == 0 || ids)
> > +                    {
> > +                        for (size_t i = 0; i < count; ++i)
> > +                            ids[i] = vlc_es_id_GetInputId(param.list.ids[i]);
> > +                        demux_Control(input_priv(p_input)->master->p_demux,
> > +                                      DEMUX_SET_ES_LIST, count, ids);
> > +                    }
> > +                    free(ids);
> > +                }
> > +            }
> > +            break;
> > +        }
> >           case INPUT_CONTROL_UNSET_ES:
> >               es_out_Control( input_priv(p_input)->p_es_out_display,
> >                               ES_OUT_UNSET_ES, vlc_es_id_get_out(param.id) );
> > diff --git a/src/input/input_internal.h b/src/input/input_internal.h
> > index 3b2f5533e9..b159033b1c 100644
> > --- a/src/input/input_internal.h
> > +++ b/src/input/input_internal.h
> > @@ -434,6 +434,10 @@ typedef union
> >       vlc_value_t val;
> >       vlc_viewpoint_t viewpoint;
> >       vlc_es_id_t *id;
> > +    struct {
> > +        enum es_format_category_e cat;
> > +        vlc_es_id_t **ids;
> > +    } list;
> >       struct {
> >           bool b_fast_seek;
> >           vlc_tick_t i_val;
> > @@ -580,6 +584,7 @@ enum input_control_e
> >       INPUT_CONTROL_RESTART_ES_BY_ID,
> >   
> >       INPUT_CONTROL_SET_ES,
> > +    INPUT_CONTROL_SET_ES_LIST,  // select a list of ES atomically
> >       INPUT_CONTROL_UNSET_ES,
> >       INPUT_CONTROL_RESTART_ES,
> >   
> _______________________________________________
> vlc-devel mailing list
> To unsubscribe or modify your subscription options:
> https://mailman.videolan.org/listinfo/vlc-devel


More information about the vlc-devel mailing list