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c302e989b4
In vout_CreatePicture() replace i_repeat_first_field by the more useful i_nb_fields * modules/gui/macosx/intf.m: Fixed a warning * modules/codec/libmpeg2.c include/vout_synchro.h src/video_output/vout_synchro.c: Re-added support for slice-I streams, plus miscellaneous tweakings
94 lines
4.2 KiB
C
94 lines
4.2 KiB
C
/*****************************************************************************
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* vout_synchro.h: frame-dropping structures
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*****************************************************************************
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* Copyright (C) 1999-2003 VideoLAN
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* $Id: vout_synchro.h,v 1.2 2003/06/09 00:33:34 massiot Exp $
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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* Jean-Marc Dressler <polux@via.ecp.fr>
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* Stéphane Borel <stef@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* vout_synchro_t : timers for the video synchro
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*****************************************************************************/
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#define MAX_PIC_AVERAGE 8
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/* Read the discussion on top of vout_synchro.c for more information. */
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struct vout_synchro_t
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{
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VLC_COMMON_MEMBERS
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vout_thread_t * p_vout;
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int i_frame_rate;
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int i_current_rate;
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/* date of the beginning of the decoding of the current picture */
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mtime_t decoding_start;
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/* stream properties */
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unsigned int i_n_p, i_n_b;
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/* decoding values */
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mtime_t p_tau[4]; /* average decoding durations */
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unsigned int pi_meaningful[4]; /* number of durations read */
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/* and p_vout->render_time (read with p_vout->change_lock) */
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/* stream context */
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int i_nb_ref; /* Number of reference pictures */
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int i_dec_nb_ref; /* Number of reference pictures we'll *
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* have if we decode the current pic */
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int i_trash_nb_ref; /* Number of reference pictures we'll *
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* have if we trash the current pic */
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unsigned int i_eta_p, i_eta_b;
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mtime_t backward_pts, current_pts;
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int i_current_period; /* period to add to the next picture */
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int i_backward_period; /* period to add after the next
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* reference picture
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* (backward_period * period / 2) */
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/* statistics */
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unsigned int i_trashed_pic, i_not_chosen_pic, i_pic;
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};
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/* Pictures types */
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#define I_CODING_TYPE 1
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#define P_CODING_TYPE 2
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#define B_CODING_TYPE 3
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#define D_CODING_TYPE 4 /* MPEG-1 ONLY */
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/* other values are reserved */
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/* Structures */
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#define TOP_FIELD 1
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#define BOTTOM_FIELD 2
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#define FRAME_STRUCTURE 3
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/*****************************************************************************
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* Prototypes
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*****************************************************************************/
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#define vout_SynchroInit(a,b,c) __vout_SynchroInit(VLC_OBJECT(a),b,c)
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VLC_EXPORT( vout_synchro_t *, __vout_SynchroInit, ( vlc_object_t *, vout_thread_t *, int ) );
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VLC_EXPORT( void, vout_SynchroRelease, ( vout_synchro_t * ) );
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VLC_EXPORT( void, vout_SynchroReset, ( vout_synchro_t * ) );
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VLC_EXPORT( vlc_bool_t, vout_SynchroChoose, ( vout_synchro_t *, int ) );
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VLC_EXPORT( void, vout_SynchroTrash, ( vout_synchro_t * ) );
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VLC_EXPORT( void, vout_SynchroDecode, ( vout_synchro_t * ) );
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VLC_EXPORT( void, vout_SynchroEnd, ( vout_synchro_t *, int, vlc_bool_t ) );
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VLC_EXPORT( mtime_t, vout_SynchroDate, ( vout_synchro_t * ) );
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VLC_EXPORT( void, vout_SynchroNewPicture, ( vout_synchro_t *, int, int, mtime_t, mtime_t, int ) );
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