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Video AG Infrastruktur
ffworker
Commits
03ba7991
Commit
03ba7991
authored
Oct 29, 2017
by
Julian Rother
Browse files
Added remux worker
parent
0d6772b9
Changes
1
Hide whitespace changes
Inline
Side-by-side
remux.c
0 → 100644
View file @
03ba7991
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include "util.h"
#include "config.h"
static
AVRational
chapter_time_base
=
{
1
,
1
};
void
parse_dict
(
AVDictionary
**
d
,
char
*
s
)
{
char
key
[
JSTR_SIZE
],
value
[
JSTR_SIZE
];
for
(
s
=
jenter
(
s
);
s
;
s
=
jnext
(
s
))
av_dict_set
(
d
,
jstrb
(
s
,
0
,
key
),
jstrb
(
jvalue
(
s
),
0
,
value
),
0
);
}
void
parse_chapters
(
AVFormatContext
*
ctx
,
char
*
s
,
int
duration
)
{
char
*
p
;
int
i
;
for
(
p
=
jenter
(
s
),
i
=
0
;
p
;
p
=
jnext
(
p
),
i
++
);
ctx
->
chapters
=
malloc
(
sizeof
(
AVChapter
*
)
*
i
);
ctx
->
nb_chapters
=
i
;
for
(
p
=
jenter
(
s
),
i
=
0
;
p
;
p
=
jnext
(
p
),
i
++
)
{
ctx
->
chapters
[
i
]
=
malloc
(
sizeof
(
AVChapter
));
memset
(
ctx
->
chapters
[
i
],
0
,
sizeof
(
AVChapter
));
ctx
->
chapters
[
i
]
->
id
=
i
;
ctx
->
chapters
[
i
]
->
time_base
=
chapter_time_base
;
ctx
->
chapters
[
i
]
->
start
=
jint
(
jlookup
(
p
,
"time"
),
0
);
av_dict_set
(
&
ctx
->
chapters
[
i
]
->
metadata
,
"title"
,
jstr
(
jlookup
(
p
,
"text"
),
"EMPTY"
),
0
);
if
(
i
)
ctx
->
chapters
[
i
-
1
]
->
end
=
ctx
->
chapters
[
i
]
->
start
;
}
ctx
->
chapters
[
i
-
1
]
->
end
=
duration
;
}
int
main
(
int
argc
,
char
*
argv
[])
{
int
jobid
,
i
;
int
*
idxmap
;
char
*
p
,
path
[
100
],
tmp
[
100
];
AVFormatContext
*
demux
,
*
mux
;
AVPacket
pkt
;
AVStream
*
stream
;
if
(
argc
!=
5
)
return
1
;
av_register_all
();
av_log_set_callback
(
avlogbuf_callback
);
memset
(
&
pkt
,
0
,
sizeof
(
pkt
));
av_init_packet
(
&
pkt
);
jobid
=
atoi
(
argv
[
1
]);
xsnprintf
(
BL
(
path
),
"%s/%s"
,
CONFIG_VIDEOS_RELEASED
,
jstr
(
jlookup
(
argv
[
4
],
"path"
),
""
));
xsnprintf
(
BL
(
tmp
),
"%s/.tmp-%i"
,
CONFIG_VIDEOS_TMP
,
jobid
);
ping_job
(
jobid
,
"running"
,
0
);
demux
=
0
;
if
(
avformat_open_input
(
&
demux
,
path
,
0
,
0
))
goto
fail
;
avformat_find_stream_info
(
demux
,
0
);
avformat_alloc_output_context2
(
&
mux
,
0
,
0
,
path
);
parse_dict
(
&
mux
->
metadata
,
jlookup
(
argv
[
4
],
"metadata"
));
parse_chapters
(
mux
,
jlookup
(
argv
[
4
],
"chapters"
),
av_rescale_q
(
demux
->
duration
,
AV_TIME_BASE_Q
,
chapter_time_base
));
idxmap
=
malloc
(
sizeof
(
int
)
*
demux
->
nb_streams
);
for
(
i
=
0
;
i
<
demux
->
nb_streams
;
i
++
)
{
if
(
demux
->
streams
[
i
]
->
codecpar
->
codec_type
!=
AVMEDIA_TYPE_AUDIO
&&
demux
->
streams
[
i
]
->
codecpar
->
codec_type
!=
AVMEDIA_TYPE_VIDEO
&&
demux
->
streams
[
i
]
->
codecpar
->
codec_type
!=
AVMEDIA_TYPE_SUBTITLE
)
{
idxmap
[
i
]
=
-
1
;
continue
;
}
stream
=
avformat_new_stream
(
mux
,
0
);
idxmap
[
i
]
=
stream
->
index
;
avcodec_parameters_copy
(
mux
->
streams
[
i
]
->
codecpar
,
demux
->
streams
[
i
]
->
codecpar
);
mux
->
streams
[
i
]
->
codecpar
->
codec_tag
=
0
;
mux
->
streams
[
i
]
->
time_base
=
demux
->
streams
[
i
]
->
time_base
;
}
avio_open
(
&
mux
->
pb
,
tmp
,
AVIO_FLAG_WRITE
);
if
(
avformat_write_header
(
mux
,
0
)
<
0
)
goto
fail
;
while
(
!
av_read_frame
(
demux
,
&
pkt
))
{
if
(
pkt
.
stream_index
>=
demux
->
nb_streams
||
idxmap
[
pkt
.
stream_index
]
==
-
1
)
continue
;
pkt
.
stream_index
=
idxmap
[
pkt
.
stream_index
];
pkt
.
pts
=
av_rescale_q_rnd
(
pkt
.
pts
,
demux
->
streams
[
pkt
.
stream_index
]
->
time_base
,
mux
->
streams
[
pkt
.
stream_index
]
->
time_base
,
AV_ROUND_NEAR_INF
|
AV_ROUND_PASS_MINMAX
);
pkt
.
dts
=
av_rescale_q_rnd
(
pkt
.
dts
,
demux
->
streams
[
pkt
.
stream_index
]
->
time_base
,
mux
->
streams
[
pkt
.
stream_index
]
->
time_base
,
AV_ROUND_NEAR_INF
|
AV_ROUND_PASS_MINMAX
);
pkt
.
duration
=
av_rescale_q
(
pkt
.
duration
,
demux
->
streams
[
pkt
.
stream_index
]
->
time_base
,
mux
->
streams
[
pkt
.
stream_index
]
->
time_base
);
pkt
.
pos
=
-
1
;
if
(
av_interleaved_write_frame
(
mux
,
&
pkt
))
goto
fail
;
}
av_interleaved_write_frame
(
mux
,
0
);
if
(
av_write_trailer
(
mux
))
goto
fail
;
avio_closep
(
&
mux
->
pb
);
if
(
rename
(
tmp
,
path
))
goto
fail
;
unlink
(
tmp
);
ping_job
(
jobid
,
"finished"
,
"{
\"
log
\"
:
\"
%s
\"
}"
,
get_avlogbuf
());
return
0
;
fail:
unlink
(
tmp
);
ping_job
(
jobid
,
"failed"
,
"{
\"
log
\"
:
\"
%s
\"
}"
,
get_avlogbuf
());
return
1
;
}
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