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
89c9a8d3
Commit
89c9a8d3
authored
Feb 10, 2012
by
Alex Converse
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
dv: Move functions used only by the encoder out of a shared header.
parent
37460727
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
35 additions
and
35 deletions
+35
-35
dv.c
libavcodec/dv.c
+35
-0
dvdata.h
libavcodec/dvdata.h
+0
-35
No files found.
libavcodec/dv.c
View file @
89c9a8d3
...
...
@@ -1190,6 +1190,41 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c,
}
#if CONFIG_DVVIDEO_ENCODER
static
inline
int
dv_write_dif_id
(
enum
dv_section_type
t
,
uint8_t
chan_num
,
uint8_t
seq_num
,
uint8_t
dif_num
,
uint8_t
*
buf
)
{
buf
[
0
]
=
(
uint8_t
)
t
;
/* Section type */
buf
[
1
]
=
(
seq_num
<<
4
)
|
/* DIF seq number 0-9 for 525/60; 0-11 for 625/50 */
(
chan_num
<<
3
)
|
/* FSC: for 50Mb/s 0 - first channel; 1 - second */
7
;
/* reserved -- always 1 */
buf
[
2
]
=
dif_num
;
/* DIF block number Video: 0-134, Audio: 0-8 */
return
3
;
}
static
inline
int
dv_write_ssyb_id
(
uint8_t
syb_num
,
uint8_t
fr
,
uint8_t
*
buf
)
{
if
(
syb_num
==
0
||
syb_num
==
6
)
{
buf
[
0
]
=
(
fr
<<
7
)
|
/* FR ID 1 - first half of each channel; 0 - second */
(
0
<<
4
)
|
/* AP3 (Subcode application ID) */
0x0f
;
/* reserved -- always 1 */
}
else
if
(
syb_num
==
11
)
{
buf
[
0
]
=
(
fr
<<
7
)
|
/* FR ID 1 - first half of each channel; 0 - second */
0x7f
;
/* reserved -- always 1 */
}
else
{
buf
[
0
]
=
(
fr
<<
7
)
|
/* FR ID 1 - first half of each channel; 0 - second */
(
0
<<
4
)
|
/* APT (Track application ID) */
0x0f
;
/* reserved -- always 1 */
}
buf
[
1
]
=
0xf0
|
/* reserved -- always 1 */
(
syb_num
&
0x0f
);
/* SSYB number 0 - 11 */
buf
[
2
]
=
0xff
;
/* reserved -- always 1 */
return
3
;
}
static
void
dv_format_frame
(
DVVideoContext
*
c
,
uint8_t
*
buf
)
{
int
chan
,
i
,
j
,
k
;
...
...
libavcodec/dvdata.h
View file @
89c9a8d3
...
...
@@ -153,39 +153,4 @@ const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
const
uint8_t
*
frame
,
unsigned
buf_size
);
const
DVprofile
*
avpriv_dv_codec_profile
(
AVCodecContext
*
codec
);
static
inline
int
dv_write_dif_id
(
enum
dv_section_type
t
,
uint8_t
chan_num
,
uint8_t
seq_num
,
uint8_t
dif_num
,
uint8_t
*
buf
)
{
buf
[
0
]
=
(
uint8_t
)
t
;
/* Section type */
buf
[
1
]
=
(
seq_num
<<
4
)
|
/* DIF seq number 0-9 for 525/60; 0-11 for 625/50 */
(
chan_num
<<
3
)
|
/* FSC: for 50Mb/s 0 - first channel; 1 - second */
7
;
/* reserved -- always 1 */
buf
[
2
]
=
dif_num
;
/* DIF block number Video: 0-134, Audio: 0-8 */
return
3
;
}
static
inline
int
dv_write_ssyb_id
(
uint8_t
syb_num
,
uint8_t
fr
,
uint8_t
*
buf
)
{
if
(
syb_num
==
0
||
syb_num
==
6
)
{
buf
[
0
]
=
(
fr
<<
7
)
|
/* FR ID 1 - first half of each channel; 0 - second */
(
0
<<
4
)
|
/* AP3 (Subcode application ID) */
0x0f
;
/* reserved -- always 1 */
}
else
if
(
syb_num
==
11
)
{
buf
[
0
]
=
(
fr
<<
7
)
|
/* FR ID 1 - first half of each channel; 0 - second */
0x7f
;
/* reserved -- always 1 */
}
else
{
buf
[
0
]
=
(
fr
<<
7
)
|
/* FR ID 1 - first half of each channel; 0 - second */
(
0
<<
4
)
|
/* APT (Track application ID) */
0x0f
;
/* reserved -- always 1 */
}
buf
[
1
]
=
0xf0
|
/* reserved -- always 1 */
(
syb_num
&
0x0f
);
/* SSYB number 0 - 11 */
buf
[
2
]
=
0xff
;
/* reserved -- always 1 */
return
3
;
}
#endif
/* AVCODEC_DVDATA_H */
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