1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* $Id$ */
/*
* Copyright (C) 2010-2011 Teluu Inc. (http://www.teluu.com)
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjmedia/types.h>
#include <pj/errno.h>
#if PJMEDIA_HAS_LIBAVFORMAT && PJMEDIA_HAS_LIBAVUTIL
#include "ffmpeg_util.h"
#include <libavformat/avformat.h>
/* Conversion table between pjmedia_format_id and PixelFormat */
static const struct ffmpeg_fmt_table_t
{
pjmedia_format_id id;
enum PixelFormat pf;
} ffmpeg_fmt_table[] =
{
{ PJMEDIA_FORMAT_RGBA, PIX_FMT_RGBA},
{ PJMEDIA_FORMAT_RGB24,PIX_FMT_RGB24},
{ PJMEDIA_FORMAT_BGRA, PIX_FMT_BGRA},
{ PJMEDIA_FORMAT_AYUV, PIX_FMT_NONE},
{ PJMEDIA_FORMAT_YUY2, PIX_FMT_YUYV422},
{ PJMEDIA_FORMAT_UYVY, PIX_FMT_UYVY422},
{ PJMEDIA_FORMAT_I420, PIX_FMT_YUV420P},
{ PJMEDIA_FORMAT_YV12, PIX_FMT_YUV422P},
{ PJMEDIA_FORMAT_I420JPEG, PIX_FMT_YUVJ420P},
{ PJMEDIA_FORMAT_I422JPEG, PIX_FMT_YUVJ422P},
};
/* Conversion table between pjmedia_format_id and CodecID */
static const struct ffmpeg_codec_table_t
{
pjmedia_format_id id;
enum CodecID codec_id;
} ffmpeg_codec_table[] =
{
{PJMEDIA_FORMAT_H261, CODEC_ID_H261},
{PJMEDIA_FORMAT_H263, CODEC_ID_H263},
{PJMEDIA_FORMAT_H263P, CODEC_ID_H263P},
{PJMEDIA_FORMAT_H264, CODEC_ID_H264},
{PJMEDIA_FORMAT_MPEG1VIDEO, CODEC_ID_MPEG1VIDEO},
{PJMEDIA_FORMAT_MPEG2VIDEO, CODEC_ID_MPEG2VIDEO},
{PJMEDIA_FORMAT_MPEG4, CODEC_ID_MPEG4},
{PJMEDIA_FORMAT_MJPEG, CODEC_ID_MJPEG},
#if LIBAVCODEC_VERSION_MAJOR < 53
{PJMEDIA_FORMAT_XVID, CODEC_ID_XVID},
#endif
};
static int pjmedia_ffmpeg_ref_cnt;
void pjmedia_ffmpeg_add_ref()
{
if (pjmedia_ffmpeg_ref_cnt++ == 0) {
av_register_all();
}
}
void pjmedia_ffmpeg_dec_ref()
{
if (pjmedia_ffmpeg_ref_cnt-- == 1) {
/* How to shutdown ffmpeg? */
}
if (pjmedia_ffmpeg_ref_cnt < 0) pjmedia_ffmpeg_ref_cnt = 0;
}
pj_status_t pjmedia_format_id_to_PixelFormat(pjmedia_format_id fmt_id,
enum PixelFormat *pixel_format)
{
unsigned i;
for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_fmt_table); ++i) {
const struct ffmpeg_fmt_table_t *t = &ffmpeg_fmt_table[i];
if (t->id==fmt_id && t->pf != PIX_FMT_NONE) {
*pixel_format = t->pf;
return PJ_SUCCESS;
}
}
*pixel_format = PIX_FMT_NONE;
return PJ_ENOTFOUND;
}
pj_status_t PixelFormat_to_pjmedia_format_id(enum PixelFormat pf,
pjmedia_format_id *fmt_id)
{
unsigned i;
for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_fmt_table); ++i) {
const struct ffmpeg_fmt_table_t *t = &ffmpeg_fmt_table[i];
if (t->pf == pf) {
if (fmt_id) *fmt_id = t->id;
return PJ_SUCCESS;
}
}
return PJ_ENOTFOUND;
}
pj_status_t pjmedia_format_id_to_CodecID(pjmedia_format_id fmt_id,
enum CodecID *codec_id)
{
unsigned i;
for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_codec_table); ++i) {
const struct ffmpeg_codec_table_t *t = &ffmpeg_codec_table[i];
if (t->id==fmt_id && t->codec_id != PIX_FMT_NONE) {
*codec_id = t->codec_id;
return PJ_SUCCESS;
}
}
*codec_id = PIX_FMT_NONE;
return PJ_ENOTFOUND;
}
pj_status_t CodecID_to_pjmedia_format_id(enum CodecID codec_id,
pjmedia_format_id *fmt_id)
{
unsigned i;
for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_codec_table); ++i) {
const struct ffmpeg_codec_table_t *t = &ffmpeg_codec_table[i];
if (t->codec_id == codec_id) {
if (fmt_id) *fmt_id = t->id;
return PJ_SUCCESS;
}
}
return PJ_ENOTFOUND;
}
#ifdef _MSC_VER
# pragma comment( lib, "avformat.lib")
# pragma comment( lib, "avutil.lib")
#endif
#endif /* #if PJMEDIA_HAS_LIBAVFORMAT && PJMEDIA_HAS_LIBAVUTIL */
|
