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Commit 958ae35d authored by Laurent Aimar's avatar Laurent Aimar
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Reworked the way pictures are handled by the vout core. 

As a side effects, it may improve a bit frame stepping.
parent 889ae4fb
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Showing with 588 additions and 943 deletions
src/video_output/chrono.h 0 → 100644
View file @ 958ae35d
/*****************************************************************************
* chrono.h: vout chrono
*****************************************************************************
* Copyright (C) 2009-2010 Laurent Aimar
* $Id$
*
* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
# error This header file can only be included from LibVLC.
#endif
#ifndef _VOUT_CHRONO_H
#define _VOUT_CHRONO_H
typedef struct {
int shift;
mtime_t avg;
mtime_t avg_initial;
int shift_var;
mtime_t var;
mtime_t start;
} vout_chrono_t;
static inline void vout_chrono_Init(vout_chrono_t *chrono, int shift, mtime_t avg_initial)
{
chrono->shift = shift;
chrono->avg_initial =
chrono->avg = avg_initial;
chrono->shift_var = shift+1;
chrono->var = avg_initial / 2;
chrono->start = VLC_TS_INVALID;
}
static inline void vout_chrono_Clean(vout_chrono_t *chrono)
{
VLC_UNUSED(chrono);
}
static inline void vout_chrono_Start(vout_chrono_t *chrono)
{
chrono->start = mdate();
}
static inline mtime_t vout_chrono_GetHigh(vout_chrono_t *chrono)
{
return chrono->avg + 2 * chrono->var;
}
static inline mtime_t vout_chrono_GetLow(vout_chrono_t *chrono)
{
return __MAX(chrono->avg - 2 * chrono->var, 0);
}
static inline void vout_chrono_Stop(vout_chrono_t *chrono)
{
assert(chrono->start != VLC_TS_INVALID);
/* */
const mtime_t duration = mdate() - chrono->start;
const mtime_t var = llabs( duration - chrono->avg );
/* Update average only if the current point is 'valid' */
if( duration < vout_chrono_GetHigh( chrono ) )
chrono->avg = (((1 << chrono->shift) - 1) * chrono->avg + duration) >> chrono->shift;
/* Always update the variance */
chrono->var = (((1 << chrono->shift_var) - 1) * chrono->var + var) >> chrono->shift_var;
/* For assert */
chrono->start = VLC_TS_INVALID;
}
static inline void vout_chrono_Reset(vout_chrono_t *chrono)
{
vout_chrono_t ch = *chrono;
vout_chrono_Clean(chrono);
vout_chrono_Init(chrono, ch.shift, ch.avg_initial);
}
#endif
src/video_output/display.c
View file @ 958ae35d
......@@ -58,7 +58,7 @@ static picture_t *VideoBufferNew(filter_t *filter)
vd->fmt.i_width == fmt->i_width &&
vd->fmt.i_height == fmt->i_height);
picture_pool_t *pool = vout_display_Pool(vd, 1);
picture_pool_t *pool = vout_display_Pool(vd, 3);
if (!pool)
return NULL;
return picture_pool_Get(pool);
......
src/video_output/video_output.c
View file @ 958ae35d
......@@ -10,6 +10,7 @@
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Gildas Bazin <gbazin@videolan.org>
* Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
......@@ -37,20 +38,12 @@
#include <stdlib.h> /* free() */
#include <string.h>
#include <assert.h>
#include <vlc_vout.h>
#include <vlc_filter.h>
#include <vlc_osd.h>
#include <assert.h>
#if defined( __APPLE__ )
/* Include darwin_specific.h here if needed */
#endif
/** FIXME This is quite ugly but needed while we don't have counters
* helpers */
//#include "input/input_internal.h"
#include <libvlc.h>
#include <vlc_input.h>
......@@ -62,7 +55,6 @@
*****************************************************************************/
static int InitThread ( vout_thread_t * );
static void* RunThread ( void * );
static void ErrorThread ( vout_thread_t * );
static void CleanThread ( vout_thread_t * );
static void EndThread ( vout_thread_t * );
......@@ -104,34 +96,19 @@ static void DisplayTitleOnOSD( vout_thread_t *p_vout );
/* Better be in advance when awakening than late... */
#define VOUT_MWAIT_TOLERANCE ((mtime_t)(0.020*CLOCK_FREQ))
/* Minimum number of direct pictures the video output will accept without
* creating additional pictures in system memory */
#ifdef OPTIMIZE_MEMORY
# define VOUT_MIN_DIRECT_PICTURES (VOUT_MAX_PICTURES/2)
#else
# define VOUT_MIN_DIRECT_PICTURES (3*VOUT_MAX_PICTURES/4)
#endif
/*****************************************************************************
* Video Filter2 functions
*****************************************************************************/
static picture_t *video_new_buffer_filter( filter_t *p_filter )
{
vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
p_picture->i_status = READY_PICTURE;
return p_picture;
return picture_pool_Get(p_vout->p->private_pool);
}
static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
{
vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
vlc_mutex_lock( &p_vout->p->picture_lock );
vout_UsePictureLocked( p_vout, p_pic );
vlc_mutex_unlock( &p_vout->p->picture_lock );
picture_Release(p_pic);
}
static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
......@@ -279,9 +256,8 @@ vout_thread_t *vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
*****************************************************************************/
vout_thread_t * vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
{
vout_thread_t * p_vout; /* thread descriptor */
int i_index; /* loop variable */
vlc_value_t text;
vout_thread_t *p_vout; /* thread descriptor */
vlc_value_t text;
config_chain_t *p_cfg;
......@@ -312,18 +288,7 @@ vout_thread_t * vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
return NULL;
}
/* Initialize pictures - translation tables and functions
* will be initialized later in InitThread */
for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
{
p_vout->p->p_picture[i_index].i_status = FREE_PICTURE;
p_vout->p->p_picture[i_index].i_type = EMPTY_PICTURE;
p_vout->p->p_picture[i_index].b_slow = 0;
}
/* Initialize the rendering heap */
I_RENDERPICTURES = 0;
/* */
p_vout->fmt_render = *p_fmt; /* FIXME palette */
p_vout->fmt_in = *p_fmt; /* FIXME palette */
......@@ -332,28 +297,29 @@ vout_thread_t * vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
video_format_FixRgb( &p_vout->fmt_render );
video_format_FixRgb( &p_vout->fmt_in );
p_vout->p->render.i_last_used_pic = -1;
/* Zero the output heap */
I_OUTPUTPICTURES = 0;
/* Initialize misc stuff */
p_vout->p->i_changes = 0;
p_vout->p->b_fullscreen = 0;
p_vout->p->render_time = 10;
p_vout->p->c_fps_samples = 0;
vout_chrono_Init( &p_vout->p->render, 5, 10000 ); /* Arbitrary initial time */
vout_statistic_Init( &p_vout->p->statistic );
p_vout->p->b_filter_change = 0;
p_vout->p->b_paused = false;
p_vout->p->i_pause_date = 0;
p_vout->p->i_par_num =
p_vout->p->i_par_den = 1;
p_vout->p->p_picture_displayed = NULL;
p_vout->p->i_picture_displayed_date = 0;
p_vout->p->b_picture_displayed = false;
p_vout->p->is_late_dropped = var_InheritBool( p_vout, "drop-late-frames" );
p_vout->p->b_picture_empty = false;
p_vout->p->i_picture_qtype = QTYPE_NONE;
p_vout->p->b_picture_interlaced = false;
p_vout->p->displayed.clock = VLC_TS_INVALID;
p_vout->p->displayed.decoded = NULL;
p_vout->p->displayed.timestampX = VLC_TS_INVALID;
p_vout->p->displayed.qtype = QTYPE_NONE;
p_vout->p->displayed.is_interlaced = false;
p_vout->p->step.is_requested = false;
p_vout->p->step.last = VLC_TS_INVALID;
p_vout->p->step.timestamp = VLC_TS_INVALID;
p_vout->p->decoder_fifo = picture_fifo_New();
p_vout->p->decoder_pool = NULL;
vlc_mouse_Init( &p_vout->p->mouse );
......@@ -532,6 +498,12 @@ static void vout_Destructor( vlc_object_t * p_this )
if( p_vout->p->p_spu )
spu_Destroy( p_vout->p->p_spu );
vout_chrono_Clean( &p_vout->p->render );
if( p_vout->p->decoder_fifo )
picture_fifo_Delete( p_vout->p->decoder_fifo );
assert( !p_vout->p->decoder_pool );
/* Destroy the locks */
vlc_cond_destroy( &p_vout->p->change_wait );
vlc_cond_destroy( &p_vout->p->picture_wait );
......@@ -564,19 +536,18 @@ void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
vlc_mutex_lock( &p_vout->p->picture_lock );
p_vout->p->i_picture_displayed_date = 0;
if( p_vout->p->b_paused )
{
const mtime_t i_duration = i_date - p_vout->p->i_pause_date;
for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
{
picture_t *p_pic = PP_RENDERPICTURE[i_index];
if (p_vout->p->step.timestamp > VLC_TS_INVALID)
p_vout->p->step.timestamp += i_duration;
if (!b_paused)
p_vout->p->step.last = p_vout->p->step.timestamp;
picture_fifo_OffsetDate( p_vout->p->decoder_fifo, i_duration );
if (p_vout->p->displayed.decoded)
p_vout->p->displayed.decoded->date += i_duration;
if( p_pic->i_status == READY_PICTURE )
p_pic->date += i_duration;
}
vlc_cond_signal( &p_vout->p->picture_wait );
vlc_mutex_unlock( &p_vout->p->picture_lock );
......@@ -584,6 +555,8 @@ void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
}
else
{
if (b_paused)
p_vout->p->step.last = p_vout->p->step.timestamp;
vlc_mutex_unlock( &p_vout->p->picture_lock );
}
p_vout->p->b_paused = b_paused;
......@@ -598,110 +571,98 @@ void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_l
pi_displayed, pi_lost );
}
void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
static void Flush(vout_thread_t *vout, mtime_t date, bool below)
{
vlc_mutex_lock( &p_vout->p->picture_lock );
p_vout->p->i_picture_displayed_date = 0;
for( int i = 0; i < p_vout->p->render.i_pictures; i++ )
{
picture_t *p_pic = p_vout->p->render.pp_picture[i];
if( p_pic->i_status == READY_PICTURE ||
p_pic->i_status == DISPLAYED_PICTURE )
{
/* We cannot change picture status if it is in READY_PICTURE state,
* Just make sure they won't be displayed */
if( p_pic->date > i_date )
p_pic->date = i_date;
}
vlc_assert_locked(&vout->p->picture_lock);
vout->p->step.timestamp = VLC_TS_INVALID;
vout->p->step.last = VLC_TS_INVALID;
picture_t *last = vout->p->displayed.decoded;
if (last &&
(( below && last->date <= date) ||
(!below && last->date >= date))) {
vout->p->step.is_requested = true;
}
vlc_cond_signal( &p_vout->p->picture_wait );
vlc_mutex_unlock( &p_vout->p->picture_lock );
picture_fifo_Flush( vout->p->decoder_fifo, date, below );
}
void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
void vout_Flush(vout_thread_t *vout, mtime_t date)
{
int i_pic, i_ready_pic;
vlc_mutex_lock(&vout->p->picture_lock);
vlc_mutex_lock( &p_vout->p->picture_lock );
Flush(vout, date, false);
for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->p->render.i_pictures && !b_forced; i_pic++ )
{
const picture_t *p_pic = p_vout->p->render.pp_picture[i_pic];
vlc_cond_signal(&vout->p->picture_wait);
vlc_mutex_unlock(&vout->p->picture_lock);
}
if( p_pic->i_status == READY_PICTURE )
{
i_ready_pic++;
/* If we have at least 2 ready pictures, wait for the vout thread to
* process one */
if( i_ready_pic >= 2 )
break;
static void vout_Reset(vout_thread_t *vout)
{
#warning "TODO reset pause in vout_Reset"
vlc_mutex_lock(&vout->p->picture_lock);
Flush(vout, INT64_MAX, true);
if (vout->p->decoder_pool)
picture_pool_NonEmpty(vout->p->decoder_pool, true);
vlc_cond_signal( &vout->p->picture_wait );
vlc_mutex_unlock(&vout->p->picture_lock);
}
continue;
}
void vout_FixLeaks( vout_thread_t *vout, bool b_forced )
{
#warning "TODO split vout_FixLeaks into vout_FixLeaks and vout_Reset"
if (b_forced) {
vout_Reset(vout);
return;
}
if( p_pic->i_status == DISPLAYED_PICTURE )
{
/* If at least one displayed picture is not referenced
* let vout free it */
if( p_pic->i_refcount == 0 )
break;
}
vlc_mutex_lock(&vout->p->picture_lock);
picture_t *picture = picture_fifo_Peek(vout->p->decoder_fifo);
if (!picture) {
picture = picture_pool_Get(vout->p->decoder_pool);
}
if( i_pic < p_vout->p->render.i_pictures && !b_forced )
{
vlc_mutex_unlock( &p_vout->p->picture_lock );
if (picture) {
picture_Release(picture);
/* Not all pictures has been displayed yet or some are
* free */
vlc_mutex_unlock(&vout->p->picture_lock);
return;
}
/* Too many pictures are still referenced, there is probably a bug
* with the decoder */
if( !b_forced )
msg_Err( p_vout, "pictures leaked, resetting the heap" );
/* Just free all the pictures */
for( i_pic = 0; i_pic < p_vout->p->render.i_pictures; i_pic++ )
{
picture_t *p_pic = p_vout->p->render.pp_picture[i_pic];
/* There is no reason that no pictures are available, force one
* from the pool, becarefull with it though */
msg_Err(vout, "pictures leaked, trying to workaround");
msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
p_pic->i_refcount = 0;
/* */
picture_pool_NonEmpty(vout->p->decoder_pool, false);
switch( p_pic->i_status )
{
case READY_PICTURE:
case DISPLAYED_PICTURE:
case RESERVED_PICTURE:
if( p_pic != p_vout->p->p_picture_displayed )
vout_UsePictureLocked( p_vout, p_pic );
break;
}
}
vlc_cond_signal( &p_vout->p->picture_wait );
vlc_mutex_unlock( &p_vout->p->picture_lock );
vlc_cond_signal(&vout->p->picture_wait);
vlc_mutex_unlock(&vout->p->picture_lock);
}
void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
void vout_NextPicture(vout_thread_t *vout, mtime_t *duration)
{
vlc_mutex_lock( &p_vout->p->picture_lock );
vlc_mutex_lock(&vout->p->picture_lock);
const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;
vout->p->b_picture_empty = false;
vout->p->step.is_requested = true;
p_vout->p->b_picture_displayed = false;
p_vout->p->b_picture_empty = false;
if( p_vout->p->p_picture_displayed )
{
p_vout->p->p_picture_displayed->date = 1;
vlc_cond_signal( &p_vout->p->picture_wait );
}
/* FIXME I highly doubt that it can works with only one cond_t FIXME */
vlc_cond_signal(&vout->p->picture_wait);
while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->p->picture_lock );
while (vout->p->step.is_requested && !vout->p->b_picture_empty)
vlc_cond_wait(&vout->p->picture_wait, &vout->p->picture_lock);
*pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );
if (vout->p->step.last > VLC_TS_INVALID &&
vout->p->step.timestamp > vout->p->step.last) {
*duration = vout->p->step.timestamp - vout->p->step.last;
vout->p->step.last = vout->p->step.timestamp;
} else {
*duration = 0;
}
/* TODO advance subpicture by the duration ... */
vlc_mutex_unlock( &p_vout->p->picture_lock );
vlc_mutex_unlock(&vout->p->picture_lock);
}
void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
......@@ -738,25 +699,7 @@ static int InitThread( vout_thread_t *p_vout )
if( vout_InitWrapper( p_vout ) )
return VLC_EGENERIC;
p_vout->p->p_picture_displayed = NULL;
if( !I_OUTPUTPICTURES )
{
msg_Err( p_vout, "plugin was unable to allocate at least "
"one direct buffer" );
vout_EndWrapper( p_vout );
return VLC_EGENERIC;
}
if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
{
msg_Err( p_vout, "plugin allocated too many direct buffers, "
"our internal buffers must have overflown." );
vout_EndWrapper( p_vout );
return VLC_EGENERIC;
}
msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
p_vout->p->displayed.decoded = NULL;
assert( p_vout->fmt_out.i_width > 0 && p_vout->fmt_out.i_height > 0 );
if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
......@@ -806,454 +749,369 @@ static int InitThread( vout_thread_t *p_vout )
assert( p_vout->fmt_out.i_width == p_vout->fmt_render.i_width &&
p_vout->fmt_out.i_height == p_vout->fmt_render.i_height &&
p_vout->fmt_out.i_chroma == p_vout->fmt_render.i_chroma );
/* Check whether we managed to create direct buffers similar to
* the render buffers, ie same size and chroma */
/* Cool ! We have direct buffers, we can ask the decoder to
* directly decode into them ! Map the first render buffers to
* the first direct buffers, but keep the first direct buffer
* for memcpy operations */
for( i = 1; i < VOUT_MAX_PICTURES; i++ )
{
if( p_vout->p->p_picture[ i ].i_type != DIRECT_PICTURE &&
I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
p_vout->p->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
{
/* We have enough direct buffers so there's no need to
* try to use system memory buffers. */
break;
}
PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p->p_picture[ i ];
I_RENDERPICTURES++;
}
msg_Dbg( p_vout, "direct render, mapping "
"render pictures 0-%i to system pictures 1-%i",
VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
assert( p_vout->p->decoder_pool );
return VLC_SUCCESS;
}
/*****************************************************************************
* RunThread: video output thread
*****************************************************************************
* Video output thread. This function does only returns when the thread is
* terminated. It handles the pictures arriving in the video heap and the
* display device events.
*****************************************************************************/
static void* RunThread( void *p_this )
static int ThreadDisplayPicture(vout_thread_t *vout,
bool now, mtime_t *deadline)
{
vout_thread_t *p_vout = p_this;
bool b_has_wrapper;
int i_idle_loops = 0; /* loops without displaying a picture */
int i_picture_qtype_last = QTYPE_NONE;
bool b_picture_interlaced_last = false;
mtime_t i_picture_interlaced_last_date;
/*
* Initialize thread
*/
b_has_wrapper = !vout_OpenWrapper( p_vout, p_vout->p->psz_module_name );
vlc_mutex_lock( &p_vout->p->change_lock );
if( b_has_wrapper )
p_vout->p->b_error = InitThread( p_vout );
else
p_vout->p->b_error = true;
/* signal the creation of the vout */
p_vout->p->b_ready = true;
vlc_cond_signal( &p_vout->p->change_wait );
if( p_vout->p->b_error )
goto exit_thread;
/* */
const bool b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
i_picture_interlaced_last_date = mdate();
/*
* Main loop - it is not executed if an error occurred during
* initialization
*/
while( !p_vout->p->b_done && !p_vout->p->b_error )
{
/* Initialize loop variables */
const mtime_t current_date = mdate();
picture_t *p_picture;
picture_t *p_filtered_picture;
mtime_t display_date;
picture_t *p_directbuffer;
int i_index;
if( p_vout->p->b_title_show && p_vout->p->psz_title )
DisplayTitleOnOSD( p_vout );
vlc_mutex_lock( &p_vout->p->picture_lock );
/* Look for the earliest picture but after the last displayed one */
picture_t *p_last = p_vout->p->p_picture_displayed;;
p_picture = NULL;
for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
{
picture_t *p_pic = PP_RENDERPICTURE[i_index];
if( p_pic->i_status != READY_PICTURE )
continue;
if( p_vout->p->b_paused && p_last && p_last->date > 1 )
continue;
if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
{
/* Drop old picture */
vout_UsePictureLocked( p_vout, p_pic );
}
else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
p_pic->date < current_date + p_vout->p->render_time &&
b_drop_late )
{
/* Picture is late: it will be destroyed and the thread
* will directly choose the next picture */
vout_UsePictureLocked( p_vout, p_pic );
vout_statistic_Update( &p_vout->p->statistic, 0, 1 );
msg_Warn( p_vout, "late picture skipped (%"PRId64" > %d)",
current_date - p_pic->date, - p_vout->p->render_time );
}
else if( ( !p_last || p_last->date < p_pic->date ) &&
( p_picture == NULL || p_pic->date < p_picture->date ) )
{
p_picture = p_pic;
int displayed_count = 0;
int lost_count = 0;
for (;;) {
const mtime_t date = mdate();
const bool is_paused = vout->p->b_paused;
bool redisplay = is_paused && !now;
bool is_forced;
/* FIXME/XXX we must redisplay the last decoded picture (because
* of potential vout updated, or filters update or SPU update)
* For now a high update period is needed but it coulmd be removed
* if and only if:
* - vout module emits events from theselves.
* - *and* SPU is modified to emit an event or a deadline when needed.
*
* So it will be done latter.
*/
if (!redisplay) {
picture_t *peek = picture_fifo_Peek(vout->p->decoder_fifo);
if (peek) {
is_forced = peek->b_force || is_paused || now;
*deadline = (is_forced ? date : peek->date) - vout_chrono_GetHigh(&vout->p->render);
picture_Release(peek);
} else {
redisplay = true;
}
}
if( !p_picture )
{
p_picture = p_last;
if( !p_vout->p->b_picture_empty )
{
p_vout->p->b_picture_empty = true;
vlc_cond_signal( &p_vout->p->picture_wait );
if (redisplay) {
/* FIXME a better way for this delay is needed */
const mtime_t paused_display_period = 80000;
const mtime_t date_update = vout->p->displayed.clock + paused_display_period;
if (date_update > date || !vout->p->displayed.decoded) {
*deadline = vout->p->displayed.decoded ? date_update : VLC_TS_INVALID;
break;
}
/* */
is_forced = true;
*deadline = date - vout_chrono_GetHigh(&vout->p->render);
}
display_date = 0;
if( p_picture )
{
display_date = p_picture->date;
/* If we found better than the last picture, destroy it */
if( p_last && p_picture != p_last )
{
vout_UsePictureLocked( p_vout, p_last );
p_vout->p->p_picture_displayed = p_last = NULL;
}
/* Compute FPS rate */
p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
{
/* A picture is ready to be rendered, but its rendering date
* is far from the current one so the thread will perform an
* empty loop as if no picture were found. The picture state
* is unchanged */
p_picture = NULL;
display_date = 0;
}
else if( p_picture == p_last )
{
/* We are asked to repeat the previous picture, but we first
* wait for a couple of idle loops */
if( i_idle_loops < 4 )
{
p_picture = NULL;
display_date = 0;
}
else
{
/* We set the display date to something high, otherwise
* we'll have lots of problems with late pictures */
display_date = current_date + p_vout->p->render_time;
}
}
else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
{
display_date = current_date + VOUT_DISPLAY_DELAY;
}
/* If we are too early and can wait, do it */
if (date < *deadline && !now)
break;
if( p_picture )
{
if( p_picture->date > 1 )
{
p_vout->p->i_picture_displayed_date = p_picture->date;
if( p_picture != p_last && !p_vout->p->b_picture_displayed )
{
p_vout->p->b_picture_displayed = true;
vlc_cond_signal( &p_vout->p->picture_wait );
picture_t *decoded;
if (redisplay) {
decoded = vout->p->displayed.decoded;
vout->p->displayed.decoded = NULL;
} else {
decoded = picture_fifo_Pop(vout->p->decoder_fifo);
assert(decoded);
if (!is_forced && !vout->p->is_late_dropped) {
const mtime_t predicted = date + vout_chrono_GetLow(&vout->p->render);
const mtime_t late = predicted - decoded->date;
if (late > 0) {
const mtime_t late_threshold = 20000; /* 20ms */
msg_Dbg(vout, "picture might be displayed late (missing %d ms)", (int)(late/1000));
if (late > late_threshold) {
msg_Warn(vout, "rejected picture because of render time");
/* TODO */
picture_Release(decoded);
lost_count++;
break;
}
}
p_vout->p->p_picture_displayed = p_picture;
}
vout->p->displayed.is_interlaced = !decoded->b_progressive;
vout->p->displayed.qtype = decoded->i_qtype;
}
vout->p->displayed.timestampX = decoded->date;
/* */
const int i_postproc_type = p_vout->p->i_picture_qtype;
const int i_postproc_state = (p_vout->p->i_picture_qtype != QTYPE_NONE) - (i_picture_qtype_last != QTYPE_NONE);
if (vout->p->displayed.decoded)
picture_Release(vout->p->displayed.decoded);
picture_Hold(decoded);
vout->p->displayed.decoded = decoded;
const bool b_picture_interlaced = p_vout->p->b_picture_interlaced;
const int i_picture_interlaced_state = (!!p_vout->p->b_picture_interlaced) - (!!b_picture_interlaced_last);
/* */
#warning "TODO interlace+postproc"
#if 0
const int postproc_type = vout->p->i_picture_qtype;
const int postproc_state = (vout->p->i_picture_qtype != QTYPE_NONE) - (picture_qtype_last != QTYPE_NONE);
vlc_mutex_unlock( &p_vout->p->picture_lock );
const bool is_picture_interlaced = p_vout->p->b_picture_interlaced;
const int picture_interlaced_state = (!!p_vout->p->b_picture_interlaced) - (!!b_picture_interlaced_last);
#endif
if( p_picture == NULL )
i_idle_loops++;
vout_chrono_Start(&vout->p->render);
p_filtered_picture = NULL;
if( p_picture )
{
vlc_mutex_lock( &p_vout->p->vfilter_lock );
p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
p_picture );
vlc_mutex_unlock( &p_vout->p->vfilter_lock );
picture_t *filtered = NULL;
if (decoded) {
vlc_mutex_lock(&vout->p->vfilter_lock);
filtered = filter_chain_VideoFilter(vout->p->p_vf2_chain, decoded);
//assert(filtered == decoded); // TODO implement
vlc_mutex_unlock(&vout->p->vfilter_lock);
if (!filtered)
continue;
}
const bool b_snapshot = vout_snapshot_IsRequested( &p_vout->p->snapshot );
/*
* Check for subpictures to display
*/
mtime_t spu_render_time;
if( p_vout->p->b_paused )
spu_render_time = p_vout->p->i_pause_date;
else if( p_picture )
spu_render_time = p_picture->date > 1 ? p_picture->date : mdate();
const bool do_snapshot = vout_snapshot_IsRequested(&vout->p->snapshot);
mtime_t spu_render_time = is_forced ? mdate() : filtered->date;
if (vout->p->b_paused)
spu_render_time = vout->p->i_pause_date;
else
spu_render_time = 0;
spu_render_time = filtered->date > 1 ? filtered->date : mdate();
subpicture_t *p_subpic = spu_SortSubpictures( p_vout->p->p_spu,
spu_render_time,
b_snapshot );
subpicture_t *subpic = spu_SortSubpictures(vout->p->p_spu,
spu_render_time,
do_snapshot);
/*
* Perform rendering
*
* We have to:
* - be sure to end up with a direct buffer.
* - blend subtitles, and in a fast access buffer
*/
vout_statistic_Update( &p_vout->p->statistic, 1, 0 );
p_directbuffer = vout_RenderPicture( p_vout,
p_filtered_picture, p_subpic,
spu_render_time );
picture_t *direct = NULL;
if (filtered &&
(vout->p->decoder_pool != vout->p->display_pool || subpic)) {
picture_t *render;
if (vout->p->is_decoder_pool_slow)
render = picture_NewFromFormat(&vout->fmt_out);
else if (vout->p->decoder_pool != vout->p->display_pool)
render = picture_pool_Get(vout->p->display_pool);
else
render = picture_pool_Get(vout->p->private_pool);
/*
* Take a snapshot if requested
*/
if( p_directbuffer && b_snapshot )
vout_snapshot_Set( &p_vout->p->snapshot,
&p_vout->fmt_out, p_directbuffer );
if (render) {
picture_Copy(render, filtered);
/*
* Call the plugin-specific rendering method if there is one
*/
if( p_filtered_picture != NULL && p_directbuffer != NULL )
{
/* Render the direct buffer returned by vout_RenderPicture */
vout_RenderWrapper( p_vout, p_directbuffer );
spu_RenderSubpictures(vout->p->p_spu,
render, &vout->fmt_out,
subpic, &vout->fmt_in, spu_render_time);
}
if (vout->p->is_decoder_pool_slow) {
direct = picture_pool_Get(vout->p->display_pool);
if (direct)
picture_Copy(direct, render);
picture_Release(render);
} else {
direct = render;
}
picture_Release(filtered);
filtered = NULL;
} else {
direct = filtered;
}
/*
* Sleep, wake up
* Take a snapshot if requested
*/
if( display_date != 0 && p_directbuffer != NULL )
{
mtime_t current_render_time = mdate() - current_date;
/* if render time is very large we don't include it in the mean */
if( current_render_time < p_vout->p->render_time +
VOUT_DISPLAY_DELAY )
{
/* Store render time using a sliding mean weighting to
* current value in a 3 to 1 ratio*/
p_vout->p->render_time *= 3;
p_vout->p->render_time += current_render_time;
p_vout->p->render_time >>= 2;
}
else
msg_Dbg( p_vout, "skipped big render time %d > %d", (int) current_render_time,
(int) (p_vout->p->render_time +VOUT_DISPLAY_DELAY ) ) ;
}
if (direct && do_snapshot)
vout_snapshot_Set(&vout->p->snapshot, &vout->fmt_out, direct);
/* Give back change lock */
vlc_mutex_unlock( &p_vout->p->change_lock );
/* Render the direct buffer returned by vout_RenderPicture */
if (direct) {
vout_RenderWrapper(vout, direct);
/* Sleep a while or until a given date */
if( display_date != 0 )
{
/* If there are *vout* filters in the chain, better give them the picture
* in advance */
if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
vout_chrono_Stop(&vout->p->render);
#if 0
{
mwait( display_date - VOUT_MWAIT_TOLERANCE );
static int i = 0;
if (((i++)%10) == 0)
msg_Info(vout, "render: avg %d ms var %d ms",
(int)(vout->p->render.avg/1000), (int)(vout->p->render.var/1000));
}
}
else
{
/* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
vlc_mutex_lock( &p_vout->p->picture_lock );
vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->p->picture_lock, current_date + VOUT_IDLE_SLEEP );
vlc_mutex_unlock( &p_vout->p->picture_lock );
#endif
}
/* On awakening, take back lock and send immediately picture
* to display. */
/* Note: p_vout->p->b_done could be true here and now */
vlc_mutex_lock( &p_vout->p->change_lock );
/* Wait the real date (for rendering jitter) */
if (!is_forced)
mwait(decoded->date);
/*
* Display the previously rendered picture
*/
if( p_filtered_picture != NULL && p_directbuffer != NULL )
{
/* Display the direct buffer returned by vout_RenderPicture */
vout_DisplayWrapper( p_vout, p_directbuffer );
/* Display the direct buffer returned by vout_RenderPicture */
vout->p->displayed.clock = mdate();
if (direct)
vout_DisplayWrapper(vout, direct);
/* Tell the vout this was the last picture and that it does not
* need to be forced anymore. */
p_picture->b_force = false;
}
displayed_count++;
break;
}
/* Drop the filtered picture if created by video filters */
if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
{
vlc_mutex_lock( &p_vout->p->picture_lock );
vout_UsePictureLocked( p_vout, p_filtered_picture );
vlc_mutex_unlock( &p_vout->p->picture_lock );
}
vout_statistic_Update(&vout->p->statistic, displayed_count, lost_count);
if (displayed_count <= 0)
return VLC_EGENERIC;
return VLC_SUCCESS;
}
if( p_picture != NULL )
{
/* Reinitialize idle loop count */
i_idle_loops = 0;
}
/*****************************************************************************
* RunThread: video output thread
*****************************************************************************
* Video output thread. This function does only returns when the thread is
* terminated. It handles the pictures arriving in the video heap and the
* display device events.
*****************************************************************************/
static void *RunThread(void *object)
{
vout_thread_t *vout = object;
bool has_wrapper;
/*
* Check events and manage thread
*/
if( vout_ManageWrapper( p_vout ) )
{
/* A fatal error occurred, and the thread must terminate
* immediately, without displaying anything - setting b_error to 1
* causes the immediate end of the main while() loop. */
// FIXME pf_end
p_vout->p->b_error = 1;
break;
}
/*
* Initialize thread
*/
has_wrapper = !vout_OpenWrapper(vout, vout->p->psz_module_name);
if( p_vout->p->i_changes & VOUT_ON_TOP_CHANGE )
p_vout->p->i_changes &= ~VOUT_ON_TOP_CHANGE;
vlc_mutex_lock(&vout->p->change_lock);
if( p_vout->p->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
{
/* This happens when the picture buffers need to be recreated.
* This is useful on multimonitor displays for instance.
*
* Warning: This only works when the vout creates only 1 picture
* buffer!! */
p_vout->p->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;
if (has_wrapper)
vout->p->b_error = InitThread(vout);
else
vout->p->b_error = true;
vlc_mutex_lock( &p_vout->p->picture_lock );
/* signal the creation of the vout */
vout->p->b_ready = true;
vlc_cond_signal(&vout->p->change_wait);
if (vout->p->b_error)
goto exit_thread;
vout_EndWrapper( p_vout );
/* */
bool last_picture_interlaced = false;
int last_picture_qtype = QTYPE_NONE;
mtime_t last_picture_interlaced_date = mdate();
I_OUTPUTPICTURES = I_RENDERPICTURES = 0;
/*
* Main loop - it is not executed if an error occurred during
* initialization
*/
while (!vout->p->b_done && !vout->p->b_error) {
/* */
if(vout->p->b_title_show && vout->p->psz_title)
DisplayTitleOnOSD(vout);
p_vout->p->b_error = InitThread( p_vout );
if( p_vout->p->b_error )
msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed" );
vlc_mutex_lock(&vout->p->picture_lock);
vlc_cond_signal( &p_vout->p->picture_wait );
vlc_mutex_unlock( &p_vout->p->picture_lock );
mtime_t deadline = VLC_TS_INVALID;
bool has_displayed = !ThreadDisplayPicture(vout, vout->p->step.is_requested, &deadline);
if( p_vout->p->b_error )
break;
if (has_displayed) {
vout->p->step.timestamp = vout->p->displayed.timestampX;
if (vout->p->step.last <= VLC_TS_INVALID)
vout->p->step.last = vout->p->step.timestamp;
}
if (vout->p->step.is_requested) {
if (!has_displayed && !vout->p->b_picture_empty) {
picture_t *peek = picture_fifo_Peek(vout->p->decoder_fifo);
if (peek)
picture_Release(peek);
if (!peek) {
vout->p->b_picture_empty = true;
vlc_cond_signal(&vout->p->picture_wait);
}
}
if (has_displayed) {
vout->p->step.is_requested = false;
vlc_cond_signal(&vout->p->picture_wait);
}
}
const int picture_qtype = vout->p->displayed.qtype;
const bool picture_interlaced = vout->p->displayed.is_interlaced;
vlc_mutex_unlock(&vout->p->picture_lock);
if (vout_ManageWrapper(vout)) {
/* A fatal error occurred, and the thread must terminate
* immediately, without displaying anything - setting b_error to 1
* causes the immediate end of the main while() loop. */
// FIXME pf_end
vout->p->b_error = true;
break;
}
/* Post processing */
if( i_postproc_state == 1 )
PostProcessEnable( p_vout );
else if( i_postproc_state == -1 )
PostProcessDisable( p_vout );
if( i_postproc_state != 0 )
i_picture_qtype_last = i_postproc_type;
const int postproc_change = (picture_qtype != QTYPE_NONE) - (last_picture_qtype != QTYPE_NONE);
if (postproc_change == 1)
PostProcessEnable(vout);
else if (postproc_change == -1)
PostProcessDisable(vout);
if (postproc_change)
last_picture_qtype = picture_qtype;
/* Deinterlacing
* Wait 30s before quiting interlacing mode */
if( ( i_picture_interlaced_state == 1 ) ||
( i_picture_interlaced_state == -1 && i_picture_interlaced_last_date + 30000000 < current_date ) )
{
DeinterlaceNeeded( p_vout, b_picture_interlaced );
b_picture_interlaced_last = b_picture_interlaced;
const int interlacing_change = (!!picture_interlaced) - (!!last_picture_interlaced);
if ((interlacing_change == 1) ||
(interlacing_change == -1 && last_picture_interlaced_date + 30000000 < mdate())) {
DeinterlaceNeeded(vout, picture_interlaced);
last_picture_interlaced = picture_interlaced;
}
if( b_picture_interlaced )
i_picture_interlaced_last_date = current_date;
if (picture_interlaced)
last_picture_interlaced_date = mdate();
/* Check for "video filter2" changes */
vlc_mutex_lock( &p_vout->p->vfilter_lock );
if( p_vout->p->psz_vf2 )
{
vlc_mutex_lock(&vout->p->vfilter_lock);
if (vout->p->psz_vf2) {
es_format_t fmt;
es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
fmt.video = p_vout->fmt_render;
filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
es_format_Init(&fmt, VIDEO_ES, vout->fmt_render.i_chroma);
fmt.video = vout->fmt_render;
filter_chain_Reset(vout->p->p_vf2_chain, &fmt, &fmt);
if (filter_chain_AppendFromString(vout->p->p_vf2_chain,
vout->p->psz_vf2) < 0)
msg_Err(vout, "Video filter chain creation failed");
free(vout->p->psz_vf2);
vout->p->psz_vf2 = NULL;
if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
p_vout->p->psz_vf2 ) < 0 )
msg_Err( p_vout, "Video filter chain creation failed" );
if (last_picture_qtype != QTYPE_NONE)
PostProcessSetFilterQuality(vout);
}
vlc_mutex_unlock(&vout->p->vfilter_lock);
free( p_vout->p->psz_vf2 );
p_vout->p->psz_vf2 = NULL;
vlc_mutex_unlock(&vout->p->change_lock);
if( i_picture_qtype_last != QTYPE_NONE )
PostProcessSetFilterQuality( p_vout );
if (deadline > VLC_TS_INVALID) {
vlc_mutex_lock(&vout->p->picture_lock);
vlc_cond_timedwait(&vout->p->picture_wait, &vout->p->picture_lock, deadline);
vlc_mutex_unlock(&vout->p->picture_lock);
}
vlc_mutex_unlock( &p_vout->p->vfilter_lock );
vlc_mutex_lock(&vout->p->change_lock);
}
/*
* Error loop - wait until the thread destruction is requested
*
* XXX I wonder if we should periodically clean the decoder_fifo
* or have a way to prevent it filling up.
*/
if( p_vout->p->b_error )
ErrorThread( p_vout );
while (vout->p->b_error && !vout->p->b_done)
vlc_cond_wait(&vout->p->change_wait, &vout->p->change_lock);
/* Clean thread */
CleanThread( p_vout );
CleanThread(vout);
exit_thread:
/* End of thread */
EndThread( p_vout );
vlc_mutex_unlock( &p_vout->p->change_lock );
EndThread(vout);
vlc_mutex_unlock(&vout->p->change_lock);
if( b_has_wrapper )
vout_CloseWrapper( p_vout );
if (has_wrapper)
vout_CloseWrapper(vout);
return NULL;
}
/*****************************************************************************
* ErrorThread: RunThread() error loop
*****************************************************************************
* This function is called when an error occurred during thread main's loop.
* The thread can still receive feed, but must be ready to terminate as soon
* as possible.
*****************************************************************************/
static void ErrorThread( vout_thread_t *p_vout )
{
/* Wait until a `close' order */
while( !p_vout->p->b_done )
vlc_cond_wait( &p_vout->p->change_wait, &p_vout->p->change_lock );
}
/*****************************************************************************
* CleanThread: clean up after InitThread
*****************************************************************************
......@@ -1263,20 +1121,12 @@ static void ErrorThread( vout_thread_t *p_vout )
*****************************************************************************/
static void CleanThread( vout_thread_t *p_vout )
{
int i_index; /* index in heap */
/* Destroy all remaining pictures */
for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
{
if ( p_vout->p->p_picture[i_index].i_type == MEMORY_PICTURE )
{
free( p_vout->p->p_picture[i_index].p_data_orig );
}
}
/* Destroy translation tables */
if( !p_vout->p->b_error )
{
picture_fifo_Flush( p_vout->p->decoder_fifo, INT64_MAX, false );
vout_EndWrapper( p_vout );
}
}
/*****************************************************************************
......@@ -1753,16 +1603,16 @@ static void DeinterlaceEnable( vout_thread_t *p_vout )
/* */
if( i_deinterlace == -2 )
p_vout->p->b_picture_interlaced = true;
p_vout->p->displayed.is_interlaced = true;
else if( i_deinterlace == -3 )
p_vout->p->b_picture_interlaced = false;
p_vout->p->displayed.is_interlaced = false;
if( i_deinterlace < 0 )
i_deinterlace = -1;
/* */
val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz;
var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL );
val.b_bool = p_vout->p->b_picture_interlaced;
val.b_bool = p_vout->p->displayed.is_interlaced;
var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL );
var_SetInteger( p_vout, "deinterlace", i_deinterlace );
......
src/video_output/vout_internal.h
View file @ 958ae35d
......@@ -30,9 +30,12 @@
#ifndef _VOUT_INTERNAL_H
#define _VOUT_INTERNAL_H 1
#include <vlc_picture_fifo.h>
#include <vlc_picture_pool.h>
#include "vout_control.h"
#include "snapshot.h"
#include "statistic.h"
#include "chrono.h"
/* Number of pictures required to computes the FPS rate */
#define VOUT_FPS_SAMPLES 20
......@@ -40,19 +43,6 @@
/* */
typedef struct vout_sys_t vout_sys_t;
/**
* Video picture heap, either render (to store pictures used
* by the decoder) or output (to store pictures displayed by the vout plugin)
*/
typedef struct
{
int i_pictures; /**< current heap size */
/* Real pictures */
picture_t* pp_picture[VOUT_MAX_PICTURES]; /**< pictures */
int i_last_used_pic; /**< last used pic in heap */
} picture_heap_t;
/* */
struct vout_thread_sys_t
{
......@@ -73,27 +63,28 @@ struct vout_thread_sys_t
bool b_error;
/* */
bool b_picture_displayed;
bool b_picture_empty;
mtime_t i_picture_displayed_date;
picture_t *p_picture_displayed;
int i_picture_qtype;
bool b_picture_interlaced;
vlc_cond_t picture_wait;
struct {
mtime_t clock;
mtime_t timestampX;
int qtype;
bool is_interlaced;
picture_t *decoded;
} displayed;
struct {
bool is_requested;
mtime_t last;
mtime_t timestamp;
} step;
/* */
vlc_mutex_t vfilter_lock; /**< video filter2 lock */
/* */
uint32_t render_time; /**< last picture render time */
unsigned int i_par_num; /**< monitor pixel aspect-ratio */
unsigned int i_par_den; /**< monitor pixel aspect-ratio */
/**
* These numbers are not supposed to be accurate, but are a
* good indication of the thread status */
count_t c_fps_samples; /**< picture counts */
mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /**< FPS samples dates */
bool is_late_dropped;
/* Statistics */
vout_statistic_t statistic;
......@@ -129,24 +120,21 @@ struct vout_thread_sys_t
/* */
vlc_mutex_t picture_lock; /**< picture heap lock */
picture_pool_t *private_pool;
picture_pool_t *display_pool;
picture_pool_t *decoder_pool;
picture_fifo_t *decoder_fifo;
bool is_decoder_pool_slow;
vout_chrono_t render; /**< picture render time estimator */
vlc_mutex_t change_lock; /**< thread change lock */
uint16_t i_changes; /**< changes made to the thread.
\see \ref vout_changes */
unsigned b_fullscreen:1; /**< toogle fullscreen display */
unsigned b_on_top:1; /**< stay always on top of other windows */
picture_heap_t render; /**< rendered pictures */
picture_heap_t output; /**< direct buffers */
picture_t p_picture[2*VOUT_MAX_PICTURES+1]; /**< pictures */
};
#define I_OUTPUTPICTURES p_vout->p->output.i_pictures
#define PP_OUTPUTPICTURE p_vout->p->output.pp_picture
#define I_RENDERPICTURES p_vout->p->render.i_pictures
#define PP_RENDERPICTURE p_vout->p->render.pp_picture
/** \defgroup vout_changes Flags for changes
* These flags are set in the vout_thread_t::i_changes field when another
* thread changed a variable
......@@ -164,20 +152,10 @@ struct vout_thread_sys_t
#define VOUT_CROP_CHANGE 0x1000
/** aspect ratio changed */
#define VOUT_ASPECT_CHANGE 0x2000
/** change/recreate picture buffers */
#define VOUT_PICTURE_BUFFERS_CHANGE 0x4000
/**@}*/
/* */
int vout_AllocatePicture( vlc_object_t *, picture_t *, uint32_t i_chroma, int i_width, int i_height, int i_sar_num, int i_sar_den );
#define vout_AllocatePicture(a,b,c,d,e,f,g) \
vout_AllocatePicture(VLC_OBJECT(a),b,c,d,e,f,g)
/* DO NOT use vout_RenderPicture/vout_IntfInit unless you are in src/video_ouput */
picture_t *vout_RenderPicture( vout_thread_t *, picture_t *,
subpicture_t *,
mtime_t render_date );
void vout_IntfInit( vout_thread_t * );
/* DO NOT use vout_UsePictureLocked unless you are in src/video_ouput
......
src/video_output/vout_pictures.c
View file @ 958ae35d
......@@ -44,6 +44,12 @@
#include "vout_pictures.h"
#include "vout_internal.h"
static void tracep(const char *msg, picture_t *picture)
{
//fprintf(stderr, "########## %s === picture=%p::%d\n", msg,
// picture, picture ? picture->i_refcount : -1);
}
/**
* Display a picture
*
......@@ -54,19 +60,12 @@ void vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->p->picture_lock );
if( p_pic->i_status == RESERVED_PICTURE )
{
p_pic->i_status = READY_PICTURE;
vlc_cond_signal( &p_vout->p->picture_wait );
}
else
{
msg_Err( p_vout, "picture to display %p has invalid status %d",
p_pic, p_pic->i_status );
}
p_vout->p->i_picture_qtype = p_pic->i_qtype;
p_vout->p->b_picture_interlaced = !p_pic->b_progressive;
tracep("vout_DisplayPicture", p_pic);
p_pic->p_next = NULL;
picture_fifo_Push(p_vout->p->decoder_fifo, p_pic);
vlc_cond_signal( &p_vout->p->picture_wait );
vlc_mutex_unlock( &p_vout->p->picture_lock );
}
......@@ -81,31 +80,8 @@ void vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
*/
int vout_CountPictureAvailable( vout_thread_t *p_vout )
{
int i_free = 0;
int i_pic;
vlc_mutex_lock( &p_vout->p->picture_lock );
for( i_pic = 0; i_pic < I_RENDERPICTURES; i_pic++ )
{
picture_t *p_pic = PP_RENDERPICTURE[(p_vout->p->render.i_last_used_pic + i_pic + 1) % I_RENDERPICTURES];
switch( p_pic->i_status )
{
case DESTROYED_PICTURE:
i_free++;
break;
case FREE_PICTURE:
i_free++;
break;
default:
break;
}
}
vlc_mutex_unlock( &p_vout->p->picture_lock );
return i_free;
#warning "TODO remove vout_CountPictureAvailable"
return VOUT_MAX_PICTURES;
}
picture_t *vout_CreatePicture( vout_thread_t *p_vout,
......@@ -113,171 +89,38 @@ picture_t *vout_CreatePicture( vout_thread_t *p_vout,
bool b_top_field_first,
unsigned int i_nb_fields )
{
int i_pic; /* picture index */
picture_t * p_pic;
picture_t * p_freepic = NULL; /* first free picture */
#warning "TODO remove unused vout_CreatePicture parameters"
/* Get lock */
vlc_mutex_lock( &p_vout->p->picture_lock );
/*
* Look for an empty place in the picture heap.
*/
for( i_pic = 0; i_pic < I_RENDERPICTURES; i_pic++ )
{
p_pic = PP_RENDERPICTURE[(p_vout->p->render.i_last_used_pic + i_pic + 1)
% I_RENDERPICTURES];
switch( p_pic->i_status )
{
case DESTROYED_PICTURE:
/* Memory will not be reallocated, and function can end
* immediately - this is the best possible case, since no
* memory allocation needs to be done */
p_pic->i_status = RESERVED_PICTURE;
p_pic->i_refcount = 0;
p_pic->b_force = 0;
p_pic->b_progressive = b_progressive;
p_pic->i_nb_fields = i_nb_fields;
p_pic->b_top_field_first = b_top_field_first;
p_vout->p->render.i_last_used_pic =
( p_vout->p->render.i_last_used_pic + i_pic + 1 )
% I_RENDERPICTURES;
vlc_mutex_unlock( &p_vout->p->picture_lock );
return( p_pic );
case FREE_PICTURE:
/* Picture is empty and ready for allocation */
p_vout->p->render.i_last_used_pic =
( p_vout->p->render.i_last_used_pic + i_pic + 1 )
% I_RENDERPICTURES;
p_freepic = p_pic;
break;
default:
break;
}
}
/*
* Prepare picture
*/
if( p_freepic != NULL )
{
vout_AllocatePicture( VLC_OBJECT(p_vout),
p_freepic, p_vout->fmt_render.i_chroma,
p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den ); /* The right AR is in fmt_in and not fmt_render */
if( p_freepic->i_planes )
{
/* Copy picture information, set some default values */
p_freepic->i_status = RESERVED_PICTURE;
p_freepic->i_type = MEMORY_PICTURE;
p_freepic->b_slow = 0;
p_freepic->i_refcount = 0;
p_freepic->b_force = 0;
p_freepic->b_progressive = b_progressive;
p_freepic->i_nb_fields = i_nb_fields;
p_freepic->b_top_field_first = b_top_field_first;
}
else
{
/* Memory allocation failed : set picture as empty */
p_freepic->i_status = FREE_PICTURE;
p_freepic = NULL;
msg_Err( p_vout, "picture allocation failed" );
}
vlc_mutex_unlock( &p_vout->p->picture_lock );
return( p_freepic );
picture_t *p_pic = picture_pool_Get(p_vout->p->decoder_pool);
if (p_pic) {
picture_Reset(p_pic);
p_pic->p_next = NULL; // FIXME put it in picture_Reset ?
}
/* No free or destroyed picture could be found, but the decoder
* will try again in a while. */
tracep("vout_CreatePicture", p_pic);
vlc_mutex_unlock( &p_vout->p->picture_lock );
return( NULL );
return p_pic;
}
/* */
static void DestroyPicture( vout_thread_t *p_vout, picture_t *p_picture )
void vout_DropPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_assert_locked( &p_vout->p->picture_lock );
vlc_mutex_lock( &p_vout->p->picture_lock );
p_picture->i_status = DESTROYED_PICTURE;
picture_CleanupQuant( p_picture );
tracep("vout_DropPicture", p_pic);
picture_Release( p_pic );
vlc_cond_signal( &p_vout->p->picture_wait );
vlc_mutex_unlock( &p_vout->p->picture_lock );
}
/**
* Remove a permanent or reserved picture from the heap
*
* This function frees a previously reserved picture or a permanent
* picture. It is meant to be used when the construction of a picture aborted.
* Note that the picture will be destroyed even if it is linked !
*
* TODO remove it, vout_DropPicture should be used instead
*/
void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
#ifndef NDEBUG
/* Check if picture status is valid */
vlc_mutex_lock( &p_vout->p->picture_lock );
if( p_pic->i_status != RESERVED_PICTURE )
{
msg_Err( p_vout, "picture to destroy %p has invalid status %d",
p_pic, p_pic->i_status );
}
vlc_mutex_unlock( &p_vout->p->picture_lock );
#endif
tracep("vout_DestroyPicture", p_pic);
vout_DropPicture( p_vout, p_pic );
}
/* */
void vout_UsePictureLocked( vout_thread_t *p_vout, picture_t *p_picture )
{
vlc_assert_locked( &p_vout->p->picture_lock );
if( p_picture->i_refcount > 0 )
{
/* Pretend we displayed the picture, but don't destroy
* it since the decoder might still need it. */
p_picture->i_status = DISPLAYED_PICTURE;
}
else
{
/* Destroy the picture without displaying it */
DestroyPicture( p_vout, p_picture );
}
}
/* */
void vout_DropPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->p->picture_lock );
if( p_pic->i_status == READY_PICTURE )
{
/* Grr cannot destroy ready picture by myself so be sure vout won't like it */
p_pic->date = 1;
vlc_cond_signal( &p_vout->p->picture_wait );
}
else
{
vout_UsePictureLocked( p_vout, p_pic );
}
vlc_mutex_unlock( &p_vout->p->picture_lock );
}
/**
* Increment reference counter of a picture
......@@ -288,7 +131,8 @@ void vout_DropPicture( vout_thread_t *p_vout, picture_t *p_pic )
void vout_LinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->p->picture_lock );
p_pic->i_refcount++;
tracep("vout_LinkPicture", p_pic);
picture_Hold( p_pic );
vlc_mutex_unlock( &p_vout->p->picture_lock );
}
......@@ -300,87 +144,13 @@ void vout_LinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
void vout_UnlinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
vlc_mutex_lock( &p_vout->p->picture_lock );
tracep("vout_UnlinkPicture", p_pic);
picture_Release( p_pic );
if( p_pic->i_refcount > 0 )
p_pic->i_refcount--;
else
msg_Err( p_vout, "Invalid picture reference count (%p, %d)",
p_pic, p_pic->i_refcount );
if( p_pic->i_refcount == 0 &&
( p_pic->i_status == DISPLAYED_PICTURE || p_pic->i_status == RESERVED_PICTURE ) )
DestroyPicture( p_vout, p_pic );
vlc_cond_signal( &p_vout->p->picture_wait );
vlc_mutex_unlock( &p_vout->p->picture_lock );
}
/**
* Render a picture
*
* This function chooses whether the current picture needs to be copied
* before rendering, does the subpicture magic, and tells the video output
* thread which direct buffer needs to be displayed.
*/
picture_t *vout_RenderPicture( vout_thread_t *p_vout, picture_t *p_pic,
subpicture_t *p_subpic, mtime_t render_date )
{
if( p_pic == NULL )
return NULL;
if( p_pic->i_type == DIRECT_PICTURE && !p_subpic )
{
/* No subtitles, picture is in a directbuffer so
* we can display it directly (even if it is still
* in use or not). */
return p_pic;
}
/* It is either because:
* - the picture is not a direct buffer
* - we have to render subtitles (we can never do it on the given
* picture even if not referenced).
*/
picture_t *p_render;
if( p_subpic != NULL && PP_OUTPUTPICTURE[0]->b_slow )
{
/* The picture buffer is in slow memory. We'll use
* the "2 * VOUT_MAX_PICTURES + 1" picture as a temporary
* one for subpictures rendering. */
p_render = &p_vout->p->p_picture[2 * VOUT_MAX_PICTURES];
if( p_render->i_status == FREE_PICTURE )
{
vout_AllocatePicture( VLC_OBJECT(p_vout),
p_render, p_vout->fmt_out.i_chroma,
p_vout->fmt_out.i_width,
p_vout->fmt_out.i_height,
p_vout->fmt_out.i_sar_num,
p_vout->fmt_out.i_sar_den );
p_render->i_type = MEMORY_PICTURE;
p_render->i_status = RESERVED_PICTURE;
}
}
else
{
/* We can directly render into a direct buffer */
p_render = PP_OUTPUTPICTURE[0];
}
/* Copy */
picture_Copy( p_render, p_pic );
/* Render the subtitles if present */
if( p_subpic )
spu_RenderSubpictures( p_vout->p->p_spu,
p_render, &p_vout->fmt_out,
p_subpic, &p_vout->fmt_in, render_date );
/* Copy in case we used a temporary fast buffer */
if( p_render != PP_OUTPUTPICTURE[0] )
picture_Copy( PP_OUTPUTPICTURE[0], p_render );
return PP_OUTPUTPICTURE[0];
}
#undef vout_AllocatePicture
/**
* Allocate a new picture in the heap.
*
......@@ -388,13 +158,11 @@ picture_t *vout_RenderPicture( vout_thread_t *p_vout, picture_t *p_pic,
* used exactly like a video buffer. The video output thread then manages
* how it gets displayed.
*/
int vout_AllocatePicture( vlc_object_t *p_this, picture_t *p_pic,
vlc_fourcc_t i_chroma,
int i_width, int i_height,
int i_sar_num, int i_sar_den )
static int vout_AllocatePicture( picture_t *p_pic,
vlc_fourcc_t i_chroma,
int i_width, int i_height,
int i_sar_num, int i_sar_den )
{
VLC_UNUSED(p_this);
/* Make sure the real dimensions are a multiple of 16 */
if( picture_Setup( p_pic, i_chroma, i_width, i_height,
i_sar_num, i_sar_den ) != VLC_SUCCESS )
......@@ -632,7 +400,7 @@ picture_t *picture_NewFromResource( const video_format_t *p_fmt, const picture_r
}
else
{
if( vout_AllocatePicture( (vlc_object_t *)NULL, p_picture,
if( vout_AllocatePicture( p_picture,
fmt.i_chroma, fmt.i_width, fmt.i_height,
fmt.i_sar_num, fmt.i_sar_den ) )
{
......
src/video_output/vout_subpictures.c
View file @ 958ae35d
......@@ -30,6 +30,9 @@
# include "config.h"
#endif
#include <assert.h>
#include <limits.h>
#include <vlc_common.h>
#include <vlc_vout.h>
#include <vlc_block.h>
......@@ -39,9 +42,6 @@
#include "vout_internal.h"
#include <vlc_image.h>
#include <assert.h>
#include <limits.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
......
src/video_output/vout_wrapper.c
View file @ 958ae35d
......@@ -44,12 +44,18 @@ struct vout_sys_t {
char *title;
vout_display_t *vd;
bool use_dr;
};
struct picture_sys_t {
picture_t *direct;
picture_t *filtered;
};
/* Minimum number of direct pictures the video output will accept without
* creating additional pictures in system memory */
#ifdef OPTIMIZE_MEMORY
# define VOUT_MIN_DIRECT_PICTURES (VOUT_MAX_PICTURES/2)
#else
# define VOUT_MIN_DIRECT_PICTURES (3*VOUT_MAX_PICTURES/4)
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
......@@ -115,6 +121,7 @@ int vout_OpenWrapper(vout_thread_t *vout, const char *name)
/* */
vout->p->p_sys = sys;
vout->p->decoder_pool = NULL;
return VLC_SUCCESS;
}
......@@ -130,6 +137,8 @@ void vout_CloseWrapper(vout_thread_t *vout)
var_DelCallback(vout, "direct3d-desktop", Forward, NULL);
var_DelCallback(vout, "video-wallpaper", Forward, NULL);
#endif
vout->p->decoder_pool = NULL; /* FIXME remove */
vout_DeleteDisplay(sys->vd, NULL);
free(sys->title);
free(sys );
......@@ -165,6 +174,7 @@ int vout_InitWrapper(vout_thread_t *vout)
vout->fmt_in.i_y_offset != source.i_y_offset )
vout->p->i_changes |= VOUT_CROP_CHANGE;
#warning "vout_InitWrapper: vout_SetWindowState should NOT be called there"
if (vout->p->b_on_top)
vout_SetWindowState(vd, VOUT_WINDOW_STATE_ABOVE);
......@@ -174,52 +184,22 @@ int vout_InitWrapper(vout_thread_t *vout)
*/
sys->use_dr = !vout_IsDisplayFiltered(vd);
const bool allow_dr = !vd->info.has_pictures_invalid && sys->use_dr;
const int picture_max = allow_dr ? VOUT_MAX_PICTURES : 1;
for (vout->p->output.i_pictures = 0;
vout->p->output.i_pictures < picture_max;
vout->p->output.i_pictures++) {
/* Find an empty picture slot */
picture_t *picture = NULL;
for (int index = 0; index < VOUT_MAX_PICTURES; index++) {
if (vout->p->p_picture[index].i_status == FREE_PICTURE) {
picture = &vout->p->p_picture[index];
break;
}
}
if (!picture)
break;
memset(picture, 0, sizeof(*picture));
picture->p_sys = malloc(sizeof(*picture->p_sys));
if (sys->use_dr) {
picture_pool_t *pool = vout_display_Pool(vd, picture_max);
if (!pool)
break;
picture_t *direct = picture_pool_Get(pool);
if (!direct)
break;
picture->format = direct->format;
picture->i_planes = direct->i_planes;
for (int i = 0; i < direct->i_planes; i++)
picture->p[i] = direct->p[i];
picture->b_slow = vd->info.is_slow;
picture->p_sys->direct = direct;
} else {
vout_AllocatePicture(VLC_OBJECT(vd), picture,
vd->source.i_chroma,
vd->source.i_width, vd->source.i_height,
vd->source.i_sar_num, vd->source.i_sar_den);
if (!picture->i_planes)
break;
picture->p_sys->direct = NULL;
}
picture->i_status = DESTROYED_PICTURE;
picture->i_type = DIRECT_PICTURE;
vout->p->output.pp_picture[vout->p->output.i_pictures] = picture;
picture_pool_t *display_pool = vout_display_Pool(vd, allow_dr ? VOUT_MAX_PICTURES : 3);
if (allow_dr && picture_pool_GetSize(display_pool) >= VOUT_MIN_DIRECT_PICTURES) {
vout->p->decoder_pool = display_pool;
vout->p->display_pool = display_pool;
vout->p->is_decoder_pool_slow = vd->info.is_slow;
} else if (!vout->p->decoder_pool) {
vout->p->decoder_pool = picture_pool_NewFromFormat(&source, VOUT_MAX_PICTURES);
if (sys->use_dr)
vout->p->display_pool = display_pool;
else
vout->p->display_pool = picture_pool_Reserve(vout->p->decoder_pool, 1);;
vout->p->is_decoder_pool_slow = false;
}
vout->p->private_pool = picture_pool_Reserve(vout->p->decoder_pool, 3); /* XXX 2 for filter, 1 for SPU */
sys->filtered = NULL;
return VLC_SUCCESS;
}
......@@ -230,22 +210,15 @@ void vout_EndWrapper(vout_thread_t *vout)
{
vout_sys_t *sys = vout->p->p_sys;
for (int i = 0; i < VOUT_MAX_PICTURES; i++) {
picture_t *picture = &vout->p->p_picture[i];
assert(!sys->filtered);
if (vout->p->private_pool)
picture_pool_Delete(vout->p->private_pool);
if (picture->i_type != DIRECT_PICTURE)
continue;
if (picture->p_sys->direct)
picture_Release(picture->p_sys->direct);
if (vout->p->decoder_pool != vout->p->display_pool) {
if (!sys->use_dr)
free(picture->p_data_orig);
free(picture->p_sys);
picture->i_status = FREE_PICTURE;
picture_pool_Delete(vout->p->display_pool);
picture_pool_Delete(vout->p->decoder_pool);
}
if (sys->use_dr && vout_AreDisplayPicturesInvalid(sys->vd))
vout_ManageDisplay(sys->vd, true);
}
/*****************************************************************************
......@@ -333,10 +306,12 @@ int vout_ManageWrapper(vout_thread_t *vout)
}
if (sys->use_dr && vout_AreDisplayPicturesInvalid(vd)) {
vout->p->i_changes |= VOUT_PICTURE_BUFFERS_CHANGE;
}
vout_ManageDisplay(vd, !sys->use_dr);
bool reset_display_pool = sys->use_dr && vout_AreDisplayPicturesInvalid(vd);
vout_ManageDisplay(vd, !sys->use_dr || reset_display_pool);
if (reset_display_pool)
vout->p->display_pool = vout_display_Pool(vd, 3);
return VLC_SUCCESS;
}
......@@ -348,17 +323,14 @@ void vout_RenderWrapper(vout_thread_t *vout, picture_t *picture)
vout_sys_t *sys = vout->p->p_sys;
vout_display_t *vd = sys->vd;
assert(sys->use_dr || !picture->p_sys->direct);
assert(vout_IsDisplayFiltered(vd) == !sys->use_dr);
if (sys->use_dr) {
assert(picture->p_sys->direct);
vout_display_Prepare(vd, picture->p_sys->direct);
vout_display_Prepare(vd, picture);
} else {
picture_t *direct = picture->p_sys->direct = vout_FilterDisplay(vd, picture);
if (direct) {
vout_display_Prepare(vd, direct);
}
sys->filtered = vout_FilterDisplay(vd, picture);
if (sys->filtered)
vout_display_Prepare(vd, sys->filtered);
}
}
......@@ -370,25 +342,8 @@ void vout_DisplayWrapper(vout_thread_t *vout, picture_t *picture)
vout_sys_t *sys = vout->p->p_sys;
vout_display_t *vd = sys->vd;
picture_t *direct = picture->p_sys->direct;
if (!direct)
return;
/* XXX This is a hack that will work with current vout_display_t modules */
if (sys->use_dr)
picture_Hold(direct);
vout_display_Display(vd, direct);
if (sys->use_dr) {
for (int i = 0; i < picture->i_planes; i++) {
picture->p[i].p_pixels = direct->p[i].p_pixels;
picture->p[i].i_pitch = direct->p[i].i_pitch;
picture->p[i].i_lines = direct->p[i].i_lines;
}
} else {
picture->p_sys->direct = NULL;
}
vout_display_Display(vd, sys->filtered ? sys->filtered : picture);
sys->filtered = NULL;
}
static void VoutGetDisplayCfg(vout_thread_t *vout, vout_display_cfg_t *cfg, const char *title)
......
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