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submodule
ffmpeg
Commits
e0a3c287
Commit
e0a3c287
authored
Dec 09, 2011
by
Luca Abeni
Committed by
Martin Storsjö
Dec 10, 2011
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rtpenc: Add support for mp4 format h264
Signed-off-by:
Martin Storsjö
<
martin@martin.st
>
parent
4dbac18e
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Showing
1 changed file
with
28 additions
and
3 deletions
+28
-3
rtpenc_h264.c
libavformat/rtpenc_h264.c
+28
-3
No files found.
libavformat/rtpenc_h264.c
View file @
e0a3c287
...
@@ -29,6 +29,21 @@
...
@@ -29,6 +29,21 @@
#include "avc.h"
#include "avc.h"
#include "rtpenc.h"
#include "rtpenc.h"
static
const
uint8_t
*
avc_mp4_find_startcode
(
const
uint8_t
*
start
,
const
uint8_t
*
end
,
int
nal_length_size
)
{
int
res
=
0
;
if
(
end
-
start
<
nal_length_size
)
return
NULL
;
while
(
nal_length_size
--
)
res
=
(
res
<<
8
)
|
*
start
++
;
if
(
start
+
res
>
end
||
res
<
0
||
start
+
res
<
start
)
return
NULL
;
return
start
+
res
;
}
static
void
nal_send
(
AVFormatContext
*
s1
,
const
uint8_t
*
buf
,
int
size
,
int
last
)
static
void
nal_send
(
AVFormatContext
*
s1
,
const
uint8_t
*
buf
,
int
size
,
int
last
)
{
{
RTPMuxContext
*
s
=
s1
->
priv_data
;
RTPMuxContext
*
s
=
s1
->
priv_data
;
...
@@ -66,12 +81,22 @@ void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size)
...
@@ -66,12 +81,22 @@ void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size)
RTPMuxContext
*
s
=
s1
->
priv_data
;
RTPMuxContext
*
s
=
s1
->
priv_data
;
s
->
timestamp
=
s
->
cur_timestamp
;
s
->
timestamp
=
s
->
cur_timestamp
;
r
=
ff_avc_find_startcode
(
buf1
,
end
);
if
(
s
->
nal_length_size
)
r
=
avc_mp4_find_startcode
(
buf1
,
end
,
s
->
nal_length_size
)
?
buf1
:
end
;
else
r
=
ff_avc_find_startcode
(
buf1
,
end
);
while
(
r
<
end
)
{
while
(
r
<
end
)
{
const
uint8_t
*
r1
;
const
uint8_t
*
r1
;
while
(
!*
(
r
++
));
if
(
s
->
nal_length_size
)
{
r1
=
ff_avc_find_startcode
(
r
,
end
);
r1
=
avc_mp4_find_startcode
(
r
,
end
,
s
->
nal_length_size
);
if
(
!
r1
)
r1
=
end
;
r
+=
s
->
nal_length_size
;
}
else
{
while
(
!*
(
r
++
));
r1
=
ff_avc_find_startcode
(
r
,
end
);
}
nal_send
(
s1
,
r
,
r1
-
r
,
r1
==
end
);
nal_send
(
s1
,
r
,
r1
-
r
,
r1
==
end
);
r
=
r1
;
r
=
r1
;
}
}
...
...
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