[vlc-devel] [PATCH 4/6] es_out: replace EsIsSelected function with a variable

Steve Lhomme robux4 at ycbcr.xyz
Mon Sep 3 10:12:53 CEST 2018


On 03/09/2018 10:10, Thomas Guillem wrote:
>
> On Mon, Sep 3, 2018, at 10:00, Steve Lhomme wrote:
>> On 29/08/2018 14:24, Thomas Guillem wrote:
>>> It will allow to get the selected state from any threads.
>> So an atomic_bool ? Or is there a lock ?
> A lock, but it's not really needed anymore.
> Should I keep this commit?

No opinion, but if it's not needed probably not.

>>> ---
>>>    src/input/es_out.c | 64 ++++++++++++++++++++--------------------------
>>>    1 file changed, 28 insertions(+), 36 deletions(-)
>>>
>>> diff --git a/src/input/es_out.c b/src/input/es_out.c
>>> index 462ad23423..aab4493976 100644
>>> --- a/src/input/es_out.c
>>> +++ b/src/input/es_out.c
>>> @@ -91,6 +91,7 @@ struct es_out_id_t
>>>        es_format_t fmt;
>>>        char        *psz_language;
>>>        char        *psz_language_code;
>>> +    bool         b_selected;
>>>    
>>>        decoder_t   *p_dec;
>>>        decoder_t   *p_dec_record;
>>> @@ -194,7 +195,6 @@ static void         EsOutSelect( es_out_t *, es_out_id_t *es, bool b_force );
>>>    static void         EsOutUpdateInfo( es_out_t *, es_out_id_t *es, const es_format_t *, const vlc_meta_t * );
>>>    static int          EsOutSetRecord(  es_out_t *, bool b_record );
>>>    
>>> -static bool EsIsSelected( es_out_id_t *es );
>>>    static void EsOutSelectEs( es_out_t *out, es_out_id_t *es );
>>>    static void EsOutDeleteInfoEs( es_out_t *, es_out_id_t *es );
>>>    static void EsOutUnselectEs( es_out_t *out, es_out_id_t *es, bool b_update );
>>> @@ -336,6 +336,11 @@ es_out_t *input_EsOutNew( input_thread_t *p_input, int i_rate )
>>>    /*****************************************************************************
>>>     *
>>>     *****************************************************************************/
>>> +static void EsMarkSelected(es_out_id_t *es, bool b_selected)
>>> +{
>>> +    es->b_selected = b_selected;
>>> +}
>>> +
>>>    static void EsOutDelete( es_out_t *out )
>>>    {
>>>        es_out_sys_t *p_sys = container_of(out, es_out_sys_t, out);
>>> @@ -437,7 +442,7 @@ static es_out_id_t *EsOutGetSelectedCat( es_out_t *out,
>>>        es_out_id_t *es;
>>>    
>>>        foreach_es_then_es_slaves( es )
>>> -        if( es->fmt.i_cat == cat && EsIsSelected( es ) )
>>> +        if( es->fmt.i_cat == cat && es->b_selected )
>>>                return es;
>>>        return NULL;
>>>    }
>>> @@ -1002,7 +1007,7 @@ static void EsOutProgramSelect( es_out_t *out, es_out_pgrm_t *p_pgrm )
>>>    
>>>            foreach_es_then_es_slaves(es)
>>>            {
>>> -            if (es->p_pgrm == old && EsIsSelected(es)
>>> +            if (es->p_pgrm == old && es->b_selected
>>>                 && p_sys->i_mode != ES_OUT_MODE_ALL)
>>>                    EsOutUnselectEs(out, es, true);
>>>                if (es->p_pgrm == old)
>>> @@ -1549,6 +1554,7 @@ static es_out_id_t *EsOutAddSlaveLocked( es_out_t *out, const es_format_t *fmt,
>>>        es->i_meta_id = p_sys->i_id++; /* always incremented */
>>>        es->b_scrambled = false;
>>>        es->b_forced = false;
>>> +    es->b_selected = false;
>>>    
>>>        switch( es->fmt.i_cat )
>>>        {
>>> @@ -1642,24 +1648,6 @@ static es_out_id_t *EsOutAdd( es_out_t *out, const es_format_t *fmt )
>>>        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 );
>>> -            input_DecoderGetCcState( es->p_master->p_dec, es->fmt.i_codec,
>>> -                                     i_channel, &b_decode );
>>> -        }
>>> -        return b_decode;
>>> -    }
>>> -    else
>>> -    {
>>> -        return es->p_dec != NULL;
>>> -    }
>>> -}
>>>    static void EsOutCreateDecoder( es_out_t *out, es_out_id_t *p_es )
>>>    {
>>>        es_out_sys_t *p_sys = container_of(out, es_out_sys_t, out);
>>> @@ -1714,7 +1702,7 @@ static void EsOutSelectEs( es_out_t *out, es_out_id_t *es )
>>>        es_out_sys_t *p_sys = container_of(out, es_out_sys_t, out);
>>>        input_thread_t *p_input = p_sys->p_input;
>>>    
>>> -    if( EsIsSelected( es ) )
>>> +    if( es->b_selected )
>>>        {
>>>            msg_Warn( p_input, "ES 0x%x is already selected", es->i_id );
>>>            return;
>>> @@ -1776,6 +1764,7 @@ static void EsOutSelectEs( es_out_t *out, es_out_id_t *es )
>>>        }
>>>    
>>>        /* Mark it as selected */
>>> +    EsMarkSelected(es, true);
>>>        input_SendEventEsSelect( p_input, &es->fmt );
>>>    }
>>>    
>>> @@ -1799,6 +1788,7 @@ static void EsDeleteCCChannels( es_out_t *out, es_out_id_t *parent )
>>>            if( i_spu_id == parent->cc.pp_es[i]->i_id )
>>>            {
>>>                /* Force unselection of the CC */
>>> +            EsMarkSelected(parent->cc.pp_es[i], false);
>>>                input_SendEventEsUnselect( p_input, &parent->cc.pp_es[i]->fmt );
>>>            }
>>>            EsOutDelLocked( out, parent->cc.pp_es[i] );
>>> @@ -1813,7 +1803,7 @@ static void EsOutUnselectEs( es_out_t *out, es_out_id_t *es, bool b_update )
>>>        es_out_sys_t *p_sys = container_of(out, es_out_sys_t, out);
>>>        input_thread_t *p_input = p_sys->p_input;
>>>    
>>> -    if( !EsIsSelected( es ) )
>>> +    if( !es->b_selected )
>>>        {
>>>            msg_Warn( p_input, "ES 0x%x is already unselected", es->i_id );
>>>            return;
>>> @@ -1835,6 +1825,8 @@ static void EsOutUnselectEs( es_out_t *out, es_out_id_t *es, bool b_update )
>>>            EsOutDestroyDecoder( out, es );
>>>        }
>>>    
>>> +    EsMarkSelected(es, false);
>>> +
>>>        if( !b_update )
>>>            return;
>>>    
>>> @@ -1868,7 +1860,7 @@ static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
>>>    
>>>        if( p_sys->i_mode == ES_OUT_MODE_ALL || b_force )
>>>        {
>>> -        if( !EsIsSelected( es ) )
>>> +        if( !es->b_selected )
>>>            {
>>>                if( b_auto_unselect )
>>>                    EsOutUnselectEs( out, p_esprops->p_main_es, false );
>>> @@ -1889,7 +1881,7 @@ static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
>>>                {
>>>                    if( atoi( prgm ) == es->p_pgrm->i_id || b_force )
>>>                    {
>>> -                    if( !EsIsSelected( es ) )
>>> +                    if( !es->b_selected )
>>>                            EsOutSelectEs( out, es );
>>>                        break;
>>>                    }
>>> @@ -1974,7 +1966,7 @@ static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
>>>                    wanted_es = es;
>>>            }
>>>    
>>> -        if( wanted_es == es && !EsIsSelected( es ) )
>>> +        if( wanted_es == es && !es->b_selected )
>>>            {
>>>                if( b_auto_unselect )
>>>                    EsOutUnselectEs( out, p_esprops->p_main_es, false );
>>> @@ -1984,7 +1976,7 @@ static void EsOutSelect( es_out_t *out, es_out_id_t *es, bool b_force )
>>>        }
>>>    
>>>        /* FIXME TODO handle priority here */
>>> -    if( p_esprops && p_sys->i_mode == ES_OUT_MODE_AUTO && EsIsSelected( es ) )
>>> +    if( p_esprops && p_sys->i_mode == ES_OUT_MODE_AUTO && es->b_selected )
>>>            p_esprops->p_main_es = es;
>>>    }
>>>    
>>> @@ -2205,7 +2197,7 @@ static void EsOutDelLocked( es_out_t *out, es_out_id_t *es )
>>>            foreach_es_then_es_slaves(other)
>>>                if( es->fmt.i_cat == other->fmt.i_cat )
>>>                {
>>> -                if (EsIsSelected(other))
>>> +                if (other->b_selected)
>>>                    {
>>>                        input_SendEventEsSelect(p_sys->p_input, &es->fmt);
>>>                        if( p_esprops->p_main_es == NULL )
>>> @@ -2261,12 +2253,12 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
>>>        {
>>>            es_out_id_t *es = va_arg( args, es_out_id_t * );
>>>            bool b = va_arg( args, int );
>>> -        if( b && !EsIsSelected( es ) )
>>> +        if( b && !es->b_selected )
>>>            {
>>>                EsOutSelectEs( out, es );
>>> -            return EsIsSelected( es ) ? VLC_SUCCESS : VLC_EGENERIC;
>>> +            return es->b_selected ? VLC_SUCCESS : VLC_EGENERIC;
>>>            }
>>> -        else if( !b && EsIsSelected( es ) )
>>> +        else if( !b && es->b_selected )
>>>            {
>>>                EsOutUnselectEs( out, es, es->p_pgrm == p_sys->p_pgrm );
>>>                return VLC_SUCCESS;
>>> @@ -2279,7 +2271,7 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
>>>            es_out_id_t *es = va_arg( args, es_out_id_t * );
>>>            bool *pb = va_arg( args, bool * );
>>>    
>>> -        *pb = EsIsSelected( es );
>>> +        *pb = es->b_selected;
>>>            return VLC_SUCCESS;
>>>        }
>>>    
>>> @@ -2334,7 +2326,7 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
>>>    
>>>            foreach_es_then_es_slaves(es)
>>>            {
>>> -            if (EsIsSelected(es))
>>> +            if (es->b_selected)
>>>                    EsOutUnselectEs(out, es, es->p_pgrm == p_sys->p_pgrm);
>>>            }
>>>            foreach_es_then_es_slaves(es)
>>> @@ -2385,7 +2377,7 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
>>>                }
>>>                else if (i_cat == UNKNOWN_ES || other->fmt.i_cat == i_cat)
>>>                {
>>> -                if (EsIsSelected(other))
>>> +                if (other->b_selected)
>>>                    {
>>>                        if (i_query == ES_OUT_RESTART_ES)
>>>                        {
>>> @@ -2410,7 +2402,7 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
>>>            {
>>>                if (es == other)
>>>                {
>>> -                if (EsIsSelected(other))
>>> +                if (other->b_selected)
>>>                    {
>>>                        EsOutUnselectEs(out, other, other->p_pgrm == p_sys->p_pgrm);
>>>                        return VLC_SUCCESS;
>>> @@ -2437,7 +2429,7 @@ static int EsOutVaControlLocked( es_out_t *out, int i_query, va_list args )
>>>    
>>>            foreach_es_then_es_slaves(es)
>>>            {
>>> -            if (EsIsSelected(es))
>>> +            if (es->b_selected)
>>>                {
>>>                    EsOutDestroyDecoder(out, es);
>>>                    *++selected_es = es->i_id;
>>> -- 
>>> 2.18.0
>>>
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