1 /*
2 * Copyright (c) 2007 Bobby Bingham
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /**
22 * @file
23 * audio and video splitter
24 */
25
26 #include <stdio.h>
27
32
33 #define FF_INTERNAL_FIELDS 1
35
41
46
48 {
50 int i;
51
55
56 snprintf(name,
sizeof(name),
"output%d", i);
61
63 }
64
65 return 0;
66 }
67
69 {
70 int i;
71
74 }
75
77 {
80
83
85 continue;
87 if (!buf_out) {
89 break;
90 }
91
93 if (ret < 0)
94 break;
95 }
97 return ret;
98 }
99
100 #define OFFSET(x) offsetof(SplitContext, x)
101 #define FLAGS (AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
105 };
106
107 #define split_options options
109
110 #define asplit_options options
112
114 {
118 },
120 };
121
126 .priv_class = &split_class,
129 .
inputs = avfilter_vf_split_inputs,
132 };
133
135 {
139 },
141 };
142
147 .priv_class = &asplit_class,
150 .
inputs = avfilter_af_asplit_inputs,
153 };
This structure describes decoded (raw) audio or video data.
Main libavfilter public API header.
Memory handling functions.
static av_cold int init(AVCodecContext *avctx)
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
enum AVMediaType type
AVFilterPad type.
static av_cold void split_uninit(AVFilterContext *ctx)
Macro definitions for various function/variable attributes.
static av_cold int split_init(AVFilterContext *ctx)
const char * name
Pad name.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
AVFilterPad * output_pads
array of output pads
static av_cold int uninit(AVCodecContext *avctx)
#define AVERROR_EOF
End of file.
#define AVFILTER_FLAG_DYNAMIC_OUTPUTS
The number of the filter outputs is not determined just by AVFilter.outputs.
A filter pad used for either input or output.
A link between two filters.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
unsigned nb_outputs
number of output pads
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void * priv
private data for use by the filter
static const AVFilterPad avfilter_af_asplit_inputs[]
static char * split(char *message, char delim)
common internal API header
static const AVFilterPad outputs[]
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
const AVFilterPad * inputs
List of inputs, terminated by a zeroed element.
static const AVFilterPad avfilter_vf_split_inputs[]
static const AVFilterPad inputs[]
char * av_strdup(const char *s)
Duplicate a string.
AVFILTER_DEFINE_CLASS(split)
Describe the class of an AVClass context structure.
const char * name
Filter name.
AVFilterLink ** outputs
array of pointers to output links
static const AVOption options[]
AVFilterContext * dst
dest filter
static int ff_insert_outpad(AVFilterContext *f, unsigned index, AVFilterPad *p)
Insert a new output pad for the filter.
const AVFilter * filter
the AVFilter of which this is an instance