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Linshizhi
ffmpeg.wasm-core
Commits
0709b056
Commit
0709b056
authored
Oct 12, 2018
by
Paul B Mahol
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avformat: add SER demuxer
parent
296609f8
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6 changed files
with
152 additions
and
2 deletions
+152
-2
Changelog
Changelog
+1
-0
general.texi
doc/general.texi
+1
-0
Makefile
libavformat/Makefile
+1
-0
allformats.c
libavformat/allformats.c
+1
-0
serdec.c
libavformat/serdec.c
+146
-0
version.h
libavformat/version.h
+2
-2
No files found.
Changelog
View file @
0709b056
...
...
@@ -33,6 +33,7 @@ version <next>:
- ilbc decoder
- audio denoiser as afftdn filter
- AV1 parser
- SER demuxer
version 4.0:
...
...
doc/general.texi
View file @
0709b056
...
...
@@ -588,6 +588,7 @@ library:
@item SAP @tab X @tab X
@item SBG @tab @tab X
@item SDP @tab @tab X
@item SER @tab @tab X
@item Sega FILM/CPK @tab X @tab X
@tab Used in many Sega Saturn console games.
@item Silicon Graphics Movie @tab @tab X
...
...
libavformat/Makefile
View file @
0709b056
...
...
@@ -467,6 +467,7 @@ OBJS-$(CONFIG_SDX_DEMUXER) += sdxdec.o
OBJS-$(CONFIG_SEGAFILM_DEMUXER)
+=
segafilm.o
OBJS-$(CONFIG_SEGAFILM_MUXER)
+=
segafilmenc.o
OBJS-$(CONFIG_SEGMENT_MUXER)
+=
segment.o
OBJS-$(CONFIG_SER_DEMUXER)
+=
serdec.o
OBJS-$(CONFIG_SHORTEN_DEMUXER)
+=
shortendec.o
rawdec.o
OBJS-$(CONFIG_SIFF_DEMUXER)
+=
siff.o
OBJS-$(CONFIG_SINGLEJPEG_MUXER)
+=
rawenc.o
...
...
libavformat/allformats.c
View file @
0709b056
...
...
@@ -367,6 +367,7 @@ extern AVInputFormat ff_segafilm_demuxer;
extern
AVOutputFormat
ff_segafilm_muxer
;
extern
AVOutputFormat
ff_segment_muxer
;
extern
AVOutputFormat
ff_stream_segment_muxer
;
extern
AVInputFormat
ff_ser_demuxer
;
extern
AVInputFormat
ff_shorten_demuxer
;
extern
AVInputFormat
ff_siff_demuxer
;
extern
AVOutputFormat
ff_singlejpeg_muxer
;
...
...
libavformat/serdec.c
0 → 100644
View file @
0709b056
/*
* SER demuxer
* Copyright (c) 2018 Paul B Mahol
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/imgutils.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "internal.h"
#include "avformat.h"
#define SER_MAGIC "LUCAM-RECORDER"
typedef
struct
SERDemuxerContext
{
const
AVClass
*
class
;
int
width
,
height
;
AVRational
framerate
;
int64_t
end
;
}
SERDemuxerContext
;
static
int
ser_probe
(
AVProbeData
*
pd
)
{
if
(
memcmp
(
pd
->
buf
,
SER_MAGIC
,
14
)
==
0
)
return
AVPROBE_SCORE_MAX
;
else
return
0
;
}
static
int
ser_read_header
(
AVFormatContext
*
s
)
{
SERDemuxerContext
*
ser
=
s
->
priv_data
;
enum
AVPixelFormat
pix_fmt
;
int
depth
,
color_id
,
endian
;
int
packet_size
;
AVStream
*
st
;
st
=
avformat_new_stream
(
s
,
NULL
);
if
(
!
st
)
return
AVERROR
(
ENOMEM
);
avio_skip
(
s
->
pb
,
14
);
avio_skip
(
s
->
pb
,
4
);
color_id
=
avio_rl32
(
s
->
pb
);
endian
=
avio_rl32
(
s
->
pb
);
ser
->
width
=
avio_rl32
(
s
->
pb
);
ser
->
height
=
avio_rl32
(
s
->
pb
);
depth
=
avio_rl32
(
s
->
pb
);
st
->
nb_frames
=
st
->
duration
=
avio_rl32
(
s
->
pb
);
avio_skip
(
s
->
pb
,
120
);
avio_skip
(
s
->
pb
,
8
);
avio_skip
(
s
->
pb
,
8
);
switch
(
color_id
)
{
case
0
:
pix_fmt
=
depth
<=
8
?
AV_PIX_FMT_GRAY8
:
endian
?
AV_PIX_FMT_GRAY16LE
:
AV_PIX_FMT_GRAY16BE
;
break
;
case
8
:
pix_fmt
=
depth
<=
8
?
AV_PIX_FMT_BAYER_RGGB8
:
endian
?
AV_PIX_FMT_BAYER_RGGB16LE
:
AV_PIX_FMT_BAYER_RGGB16BE
;
break
;
case
9
:
pix_fmt
=
depth
<=
8
?
AV_PIX_FMT_BAYER_GRBG8
:
endian
?
AV_PIX_FMT_BAYER_GRBG16LE
:
AV_PIX_FMT_BAYER_GRBG16BE
;
break
;
case
10
:
pix_fmt
=
depth
<=
8
?
AV_PIX_FMT_BAYER_GBRG8
:
endian
?
AV_PIX_FMT_BAYER_GBRG16LE
:
AV_PIX_FMT_BAYER_GBRG16BE
;
break
;
case
11
:
pix_fmt
=
depth
<=
8
?
AV_PIX_FMT_BAYER_BGGR8
:
endian
?
AV_PIX_FMT_BAYER_BGGR16LE
:
AV_PIX_FMT_BAYER_BGGR16BE
;
break
;
case
100
:
pix_fmt
=
depth
<=
8
?
AV_PIX_FMT_RGB24
:
endian
?
AV_PIX_FMT_RGB48LE
:
AV_PIX_FMT_RGB48BE
;
break
;
case
101
:
pix_fmt
=
depth
<=
8
?
AV_PIX_FMT_BGR24
:
endian
?
AV_PIX_FMT_BGR48LE
:
AV_PIX_FMT_BGR48BE
;
break
;
default:
return
AVERROR_PATCHWELCOME
;
}
st
->
codecpar
->
codec_type
=
AVMEDIA_TYPE_VIDEO
;
st
->
codecpar
->
codec_id
=
s
->
iformat
->
raw_codec_id
;
avpriv_set_pts_info
(
st
,
64
,
ser
->
framerate
.
den
,
ser
->
framerate
.
num
);
st
->
codecpar
->
width
=
ser
->
width
;
st
->
codecpar
->
height
=
ser
->
height
;
st
->
codecpar
->
format
=
pix_fmt
;
packet_size
=
av_image_get_buffer_size
(
st
->
codecpar
->
format
,
ser
->
width
,
ser
->
height
,
1
);
if
(
packet_size
<
0
)
return
packet_size
;
ser
->
end
=
178
+
st
->
nb_frames
*
packet_size
;
s
->
packet_size
=
packet_size
;
st
->
codecpar
->
bit_rate
=
av_rescale_q
(
s
->
packet_size
,
(
AVRational
){
8
,
1
},
st
->
time_base
);
return
0
;
}
static
int
ser_read_packet
(
AVFormatContext
*
s
,
AVPacket
*
pkt
)
{
SERDemuxerContext
*
ser
=
s
->
priv_data
;
int64_t
pos
;
int
ret
;
pos
=
avio_tell
(
s
->
pb
);
if
(
pos
>=
ser
->
end
)
return
AVERROR_EOF
;
ret
=
av_get_packet
(
s
->
pb
,
pkt
,
s
->
packet_size
);
pkt
->
pts
=
pkt
->
dts
=
(
pkt
->
pos
-
s
->
internal
->
data_offset
)
/
s
->
packet_size
;
pkt
->
stream_index
=
0
;
if
(
ret
<
0
)
return
ret
;
return
0
;
}
#define OFFSET(x) offsetof(SERDemuxerContext, x)
#define DEC AV_OPT_FLAG_DECODING_PARAM
static
const
AVOption
ser_options
[]
=
{
{
"framerate"
,
"set frame rate"
,
OFFSET
(
framerate
),
AV_OPT_TYPE_VIDEO_RATE
,
{.
str
=
"25"
},
0
,
INT_MAX
,
DEC
},
{
NULL
},
};
static
const
AVClass
ser_demuxer_class
=
{
.
class_name
=
"ser demuxer"
,
.
item_name
=
av_default_item_name
,
.
option
=
ser_options
,
.
version
=
LIBAVUTIL_VERSION_INT
,
};
AVInputFormat
ff_ser_demuxer
=
{
.
name
=
"ser"
,
.
long_name
=
NULL_IF_CONFIG_SMALL
(
"SER (Simple uncompressed video format for astronomical capturing)"
),
.
priv_data_size
=
sizeof
(
SERDemuxerContext
),
.
read_probe
=
ser_probe
,
.
read_header
=
ser_read_header
,
.
read_packet
=
ser_read_packet
,
.
flags
=
AVFMT_GENERIC_INDEX
,
.
extensions
=
"ser"
,
.
raw_codec_id
=
AV_CODEC_ID_RAWVIDEO
,
.
priv_class
=
&
ser_demuxer_class
,
};
libavformat/version.h
View file @
0709b056
...
...
@@ -32,8 +32,8 @@
// Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
// Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 58
#define LIBAVFORMAT_VERSION_MINOR 1
8
#define LIBAVFORMAT_VERSION_MICRO 10
4
#define LIBAVFORMAT_VERSION_MINOR 1
9
#define LIBAVFORMAT_VERSION_MICRO 10
0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
...
...
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