/*****************************************************************************

 * timestamps.h: MPEG TS/PS Timestamps helpers

 *****************************************************************************

 * Copyright (C) 2004-2016 VLC authors and VideoLAN

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation; either version 2.1 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 *****************************************************************************/

#ifndef VLC_MPEG_TIMESTAMPS_H

#define VLC_MPEG_TIMESTAMPS_H

#ifndef __cplusplus

_Static_assert(CLOCK_FREQ == 1000000, "FROM|TO_SCALE_NZ not matching CLOCK_FREQ");

#endif

#define FROM_SCALE_NZ(x) (((vlc_tick_t)(x) * 100 / 9))

#define TO_SCALE_NZ(x)   ((x) * 9 / 100)

#define FROM_SCALE(x) (VLC_TICK_0 + FROM_SCALE_NZ(x))

#define TO_SCALE(x)   TO_SCALE_NZ((x) - VLC_TICK_0)

typedef int64_t ts_90khz_t;

#define TS_90KHZ_INVALID -1

#define TS_33BITS_ROLL_NZ      FROM_SCALE_NZ(0x1FFFFFFFF)

#define TS_33BITS_HALF_ROLL_NZ FROM_SCALE_NZ(0x0FFFFFFFF)

static inline vlc_tick_t TimeStampWrapAround( vlc_tick_t i_past_pcr, vlc_tick_t i_time )

{

    if( i_past_pcr == VLC_TICK_INVALID || i_time >= i_past_pcr )

        return i_time;

    vlc_tick_t delta = i_past_pcr - i_time;

    if( delta >= TS_33BITS_HALF_ROLL_NZ )

    {

        vlc_tick_t rolls = (delta + TS_33BITS_ROLL_NZ - 1) / TS_33BITS_ROLL_NZ;

        i_time += rolls * TS_33BITS_ROLL_NZ;

    }

    return i_time;

}

Unexecuted instantiation: ps.c:TimeStampWrapAround

Unexecuted instantiation: pva.c:TimeStampWrapAround

Unexecuted instantiation: ty.c:TimeStampWrapAround

Unexecuted instantiation: vobsub.c:TimeStampWrapAround

ts.c:TimeStampWrapAround

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39

335k

{

40

335k

    if( i_past_pcr == VLC_TICK_INVALID || i_time >= i_past_pcr )

41

199k

        return i_time;

42

43

135k

    vlc_tick_t delta = i_past_pcr - i_time;

44

135k

    if( delta >= TS_33BITS_HALF_ROLL_NZ )

45

84.1k

    {

46

84.1k

        vlc_tick_t rolls = (delta + TS_33BITS_ROLL_NZ - 1) / TS_33BITS_ROLL_NZ;

47

84.1k

        i_time += rolls * TS_33BITS_ROLL_NZ;

48

84.1k

    }

49

50

135k

    return i_time;

51

335k

}

Unexecuted instantiation: ts_pid.c:TimeStampWrapAround

ts_psi.c:TimeStampWrapAround

Line

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39

1.42k

{

40

1.42k

    if( i_past_pcr == VLC_TICK_INVALID || i_time >= i_past_pcr )

41

0

        return i_time;

42

43

1.42k

    vlc_tick_t delta = i_past_pcr - i_time;

44

1.42k

    if( delta >= TS_33BITS_HALF_ROLL_NZ )

45

536

    {

46

536

        vlc_tick_t rolls = (delta + TS_33BITS_ROLL_NZ - 1) / TS_33BITS_ROLL_NZ;

47

536

        i_time += rolls * TS_33BITS_ROLL_NZ;

48

536

    }

49

50

1.42k

    return i_time;

51

1.42k

}

Unexecuted instantiation: ts_si.c:TimeStampWrapAround

Unexecuted instantiation: ts_psip.c:TimeStampWrapAround

Unexecuted instantiation: ts_streams.c:TimeStampWrapAround

Unexecuted instantiation: ts_scte.c:TimeStampWrapAround

Unexecuted instantiation: ts_arib.c:TimeStampWrapAround

Unexecuted instantiation: ts_sl.c:TimeStampWrapAround

Unexecuted instantiation: ts_metadata.c:TimeStampWrapAround

Unexecuted instantiation: ts_hotfixes.c:TimeStampWrapAround

Unexecuted instantiation: ts_pes.c:TimeStampWrapAround

Unexecuted instantiation: cvdsub.c:TimeStampWrapAround

Unexecuted instantiation: svcdsub.c:TimeStampWrapAround

Unexecuted instantiation: textst.c:TimeStampWrapAround

#endif