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Linshizhi
ffmpeg.wasm-core
Commits
b8df0b71
Commit
b8df0b71
authored
Feb 13, 2015
by
Luca Barbato
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rtp: h264: Move profile_level_id parsing to a function
parent
d40815a9
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1 changed file
with
31 additions
and
25 deletions
+31
-25
rtpdec_h264.c
libavformat/rtpdec_h264.c
+31
-25
No files found.
libavformat/rtpdec_h264.c
View file @
b8df0b71
...
...
@@ -64,30 +64,10 @@ struct PayloadContext {
static
const
uint8_t
start_sequence
[]
=
{
0
,
0
,
0
,
1
};
static
int
sdp_parse_fmtp_config_h264
(
AVFormatContext
*
s
,
AVStream
*
stream
,
static
void
parse_profile_level_id
(
AVFormatContext
*
s
,
PayloadContext
*
h264_data
,
char
*
attr
,
char
*
value
)
char
*
value
)
{
AVCodecContext
*
codec
=
stream
->
codec
;
assert
(
codec
->
codec_id
==
AV_CODEC_ID_H264
);
assert
(
h264_data
!=
NULL
);
if
(
!
strcmp
(
attr
,
"packetization-mode"
))
{
av_log
(
s
,
AV_LOG_DEBUG
,
"RTP Packetization Mode: %d
\n
"
,
atoi
(
value
));
h264_data
->
packetization_mode
=
atoi
(
value
);
/*
* Packetization Mode:
* 0 or not present: Single NAL mode (Only nals from 1-23 are allowed)
* 1: Non-interleaved Mode: 1-23, 24 (STAP-A), 28 (FU-A) are allowed.
* 2: Interleaved Mode: 25 (STAP-B), 26 (MTAP16), 27 (MTAP24), 28 (FU-A),
* and 29 (FU-B) are allowed.
*/
if
(
h264_data
->
packetization_mode
>
1
)
av_log
(
s
,
AV_LOG_ERROR
,
"Interleaved RTP mode is not supported yet.
\n
"
);
}
else
if
(
!
strcmp
(
attr
,
"profile-level-id"
))
{
if
(
strlen
(
value
)
==
6
)
{
char
buffer
[
3
];
// 6 characters=3 bytes, in hex.
uint8_t
profile_idc
;
...
...
@@ -111,7 +91,33 @@ static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
h264_data
->
profile_idc
=
profile_idc
;
h264_data
->
profile_iop
=
profile_iop
;
h264_data
->
level_idc
=
level_idc
;
}
}
static
int
sdp_parse_fmtp_config_h264
(
AVFormatContext
*
s
,
AVStream
*
stream
,
PayloadContext
*
h264_data
,
char
*
attr
,
char
*
value
)
{
AVCodecContext
*
codec
=
stream
->
codec
;
assert
(
codec
->
codec_id
==
AV_CODEC_ID_H264
);
assert
(
h264_data
!=
NULL
);
if
(
!
strcmp
(
attr
,
"packetization-mode"
))
{
av_log
(
s
,
AV_LOG_DEBUG
,
"RTP Packetization Mode: %d
\n
"
,
atoi
(
value
));
h264_data
->
packetization_mode
=
atoi
(
value
);
/*
* Packetization Mode:
* 0 or not present: Single NAL mode (Only nals from 1-23 are allowed)
* 1: Non-interleaved Mode: 1-23, 24 (STAP-A), 28 (FU-A) are allowed.
* 2: Interleaved Mode: 25 (STAP-B), 26 (MTAP16), 27 (MTAP24), 28 (FU-A),
* and 29 (FU-B) are allowed.
*/
if
(
h264_data
->
packetization_mode
>
1
)
av_log
(
s
,
AV_LOG_ERROR
,
"Interleaved RTP mode is not supported yet.
\n
"
);
}
else
if
(
!
strcmp
(
attr
,
"profile-level-id"
))
{
if
(
strlen
(
value
)
==
6
)
parse_profile_level_id
(
s
,
h264_data
,
value
);
}
else
if
(
!
strcmp
(
attr
,
"sprop-parameter-sets"
))
{
codec
->
extradata_size
=
0
;
av_freep
(
&
codec
->
extradata
);
...
...
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