Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Contribute to GitLab
Sign in / Register
Toggle navigation
F
ffmpeg.wasm-core
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Linshizhi
ffmpeg.wasm-core
Commits
3919089b
Commit
3919089b
authored
Oct 14, 2015
by
Paul B Mahol
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
avformat: add ads demuxer
Signed-off-by:
Paul B Mahol
<
onemda@gmail.com
>
parent
c0aeee94
Show whitespace changes
Inline
Side-by-side
Showing
4 changed files
with
92 additions
and
1 deletion
+92
-1
Makefile
libavformat/Makefile
+1
-0
ads.c
libavformat/ads.c
+89
-0
allformats.c
libavformat/allformats.c
+1
-0
version.h
libavformat/version.h
+1
-1
No files found.
libavformat/Makefile
View file @
3919089b
...
...
@@ -66,6 +66,7 @@ OBJS-$(CONFIG_AC3_MUXER) += rawenc.o
OBJS-$(CONFIG_ACT_DEMUXER)
+=
act.o
OBJS-$(CONFIG_ADF_DEMUXER)
+=
bintext.o
sauce.o
OBJS-$(CONFIG_ADP_DEMUXER)
+=
adp.o
OBJS-$(CONFIG_ADS_DEMUXER)
+=
ads.o
OBJS-$(CONFIG_ADX_DEMUXER)
+=
adxdec.o
OBJS-$(CONFIG_ADX_MUXER)
+=
rawenc.o
OBJS-$(CONFIG_ADTS_MUXER)
+=
adtsenc.o
apetag.o
img2.o
\
...
...
libavformat/ads.c
0 → 100644
View file @
3919089b
/*
* ADS/SS2 demuxer
* Copyright (c) 2015 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/channel_layout.h"
#include "avformat.h"
#include "internal.h"
static
int
ads_probe
(
AVProbeData
*
p
)
{
if
(
memcmp
(
p
->
buf
,
"SShd"
,
4
)
||
memcmp
(
p
->
buf
+
32
,
"SSbd"
,
4
))
return
0
;
return
AVPROBE_SCORE_MAX
/
3
*
2
;
}
static
int
ads_read_header
(
AVFormatContext
*
s
)
{
int
align
,
codec
,
size
;
AVStream
*
st
;
st
=
avformat_new_stream
(
s
,
NULL
);
if
(
!
st
)
return
AVERROR
(
ENOMEM
);
avio_skip
(
s
->
pb
,
8
);
st
->
codec
->
codec_type
=
AVMEDIA_TYPE_AUDIO
;
codec
=
avio_rl32
(
s
->
pb
);
st
->
codec
->
sample_rate
=
avio_rl32
(
s
->
pb
);
if
(
st
->
codec
->
sample_rate
<=
0
)
return
AVERROR_INVALIDDATA
;
st
->
codec
->
channels
=
avio_rl32
(
s
->
pb
);
if
(
st
->
codec
->
channels
<=
0
)
return
AVERROR_INVALIDDATA
;
align
=
avio_rl32
(
s
->
pb
);
if
(
align
<=
0
||
align
>
INT_MAX
/
st
->
codec
->
channels
)
return
AVERROR_INVALIDDATA
;
if
(
codec
==
1
)
st
->
codec
->
codec_id
=
AV_CODEC_ID_PCM_S16LE_PLANAR
;
else
st
->
codec
->
codec_id
=
AV_CODEC_ID_ADPCM_PSX
;
st
->
codec
->
block_align
=
st
->
codec
->
channels
*
align
;
avio_skip
(
s
->
pb
,
12
);
size
=
avio_rl32
(
s
->
pb
);
if
(
st
->
codec
->
codec_id
==
AV_CODEC_ID_ADPCM_PSX
)
st
->
duration
=
(
size
-
0x40
)
/
16
/
st
->
codec
->
channels
*
28
;
avpriv_set_pts_info
(
st
,
64
,
1
,
st
->
codec
->
sample_rate
);
return
0
;
}
static
int
ads_read_packet
(
AVFormatContext
*
s
,
AVPacket
*
pkt
)
{
AVCodecContext
*
codec
=
s
->
streams
[
0
]
->
codec
;
int
ret
;
ret
=
av_get_packet
(
s
->
pb
,
pkt
,
codec
->
block_align
);
pkt
->
stream_index
=
0
;
return
ret
;
}
AVInputFormat
ff_ads_demuxer
=
{
.
name
=
"ads"
,
.
long_name
=
NULL_IF_CONFIG_SMALL
(
"Sony ADS"
),
.
read_probe
=
ads_probe
,
.
read_header
=
ads_read_header
,
.
read_packet
=
ads_read_packet
,
.
extensions
=
"ads,ss2"
,
};
libavformat/allformats.c
View file @
3919089b
...
...
@@ -66,6 +66,7 @@ void av_register_all(void)
REGISTER_DEMUXER
(
ACT
,
act
);
REGISTER_DEMUXER
(
ADF
,
adf
);
REGISTER_DEMUXER
(
ADP
,
adp
);
REGISTER_DEMUXER
(
ADS
,
ads
);
REGISTER_MUXER
(
ADTS
,
adts
);
REGISTER_MUXDEMUX
(
ADX
,
adx
);
REGISTER_DEMUXER
(
AEA
,
aea
);
...
...
libavformat/version.h
View file @
3919089b
...
...
@@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFORMAT_VERSION_MAJOR 57
#define LIBAVFORMAT_VERSION_MINOR
6
#define LIBAVFORMAT_VERSION_MINOR
7
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment