[vlc-devel] [PATCH 09/17] clock: remove monotonic fallback

[Francois Cartegnie]

Le 15/02/2021 à 11:15, Thomas Guillem a écrit :

> -static vlc_tick_t
> -vlc_clock_monotonic_to_system_locked(vlc_clock_t *clock, vlc_tick_t now,
> -                                     vlc_tick_t ts, double rate)
> -{
> -    vlc_clock_main_t *main_clock = clock->owner;
> -
> -    if (clock->priority < main_clock->wait_sync_ref_priority)
> -    {
> -        /* XXX: This input_delay calculation is needed until we (finally) get
> -         * ride of the input clock. This code is adapted from input_clock.c and
> -         * is used to introduce the same delay than the input clock (first PTS
> -         * - first PCR). */
> -        const vlc_tick_t pcr_delay =
> -            main_clock->first_pcr.system == VLC_TICK_INVALID ? 0 :
> -            (ts - main_clock->first_pcr.stream) / rate +
> -            main_clock->first_pcr.system - now;
> -
> -        const vlc_tick_t input_delay = main_clock->input_dejitter + pcr_delay;
> -
> -        const vlc_tick_t delay =
> -            __MAX(input_delay, main_clock->output_dejitter);
> -
> -        main_clock->wait_sync_ref_priority = clock->priority;
> -        main_clock->wait_sync_ref = clock_point_Create(now + delay, ts);
> -    }
> -    return (ts - main_clock->wait_sync_ref.stream) / rate
> -        + main_clock->wait_sync_ref.system;
> -}

Since decoder implicit delay/dejitter handling is gone, that can no 
longer works as before


-- 
Francois Cartegnie
VideoLAN - VLC Developer