FFmpeg
libavfilter
stack_internal.h
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_STACK_INTERNAL_H
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#define AVFILTER_STACK_INTERNAL_H
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enum
{
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STACK_H
= 0,
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STACK_V
= 1,
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STACK_X
= 2
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};
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typedef
struct
StackItemRegion
{
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int
x
;
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int
y
;
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int
width
;
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int
height
;
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}
StackItemRegion
;
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typedef
struct
StackBaseContext
{
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HWContext
hwctx
;
/**< must be the first field */
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FFFrameSync
fs
;
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int
mode
;
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uint8_t
fillcolor
[4];
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int
fillcolor_enable
;
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StackItemRegion
*
regions
;
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/* Options */
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int
nb_inputs
;
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int
shortest
;
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int
tile_width
;
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int
tile_height
;
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int
nb_grid_columns
;
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int
nb_grid_rows
;
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char
*
layout
;
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char
*
fillcolor_str
;
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}
StackBaseContext
;
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static
int
config_comm_output
(
AVFilterLink
*outlink);
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static
int
stack_init
(
AVFilterContext
*avctx);
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static
av_cold
void
stack_uninit
(
AVFilterContext
*avctx);
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static
int
stack_activate
(
AVFilterContext
*avctx);
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#endif
/* AVFILTER_STACK_INTERNAL_H */
StackItemRegion::x
int x
Definition:
stack_internal.h:29
stack_activate
static int stack_activate(AVFilterContext *avctx)
stack_init
static int stack_init(AVFilterContext *avctx)
StackItemRegion::y
int y
Definition:
stack_internal.h:30
StackBaseContext::fillcolor_str
char * fillcolor_str
Definition:
stack_internal.h:52
FFFrameSync
Frame sync structure.
Definition:
framesync.h:168
AVFilterLink
A link between two filters.
Definition:
avfilter.h:542
StackBaseContext::tile_width
int tile_width
Definition:
stack_internal.h:47
StackItemRegion::height
int height
Definition:
stack_internal.h:32
StackBaseContext::fs
FFFrameSync fs
Definition:
stack_internal.h:38
StackBaseContext::nb_grid_rows
int nb_grid_rows
Definition:
stack_internal.h:50
StackBaseContext::layout
char * layout
Definition:
stack_internal.h:51
StackItemRegion::width
int width
Definition:
stack_internal.h:31
HWContext
#define HWContext
Definition:
vf_stack_qsv.c:48
av_cold
#define av_cold
Definition:
attributes.h:90
StackBaseContext::fillcolor
uint8_t fillcolor[4]
Definition:
stack_internal.h:40
StackBaseContext::tile_height
int tile_height
Definition:
stack_internal.h:48
STACK_V
@ STACK_V
Definition:
stack_internal.h:24
StackItemRegion
Definition:
stack_internal.h:28
StackBaseContext::nb_grid_columns
int nb_grid_columns
Definition:
stack_internal.h:49
stack_uninit
static av_cold void stack_uninit(AVFilterContext *avctx)
StackBaseContext::fillcolor_enable
int fillcolor_enable
Definition:
stack_internal.h:41
StackBaseContext
Definition:
stack_internal.h:35
StackBaseContext::nb_inputs
int nb_inputs
Definition:
stack_internal.h:45
StackBaseContext::regions
StackItemRegion * regions
Definition:
stack_internal.h:42
STACK_X
@ STACK_X
Definition:
stack_internal.h:25
AVFilterContext
An instance of a filter.
Definition:
avfilter.h:407
StackBaseContext::hwctx
HWContext hwctx
must be the first field
Definition:
stack_internal.h:36
STACK_H
@ STACK_H
Definition:
stack_internal.h:23
StackBaseContext::shortest
int shortest
Definition:
stack_internal.h:46
StackBaseContext::mode
int mode
Definition:
stack_internal.h:39
config_comm_output
static int config_comm_output(AVFilterLink *outlink)
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